CN120814400B - A liquid fertilizer spreader - Google Patents
A liquid fertilizer spreaderInfo
- Publication number
- CN120814400B CN120814400B CN202511308647.5A CN202511308647A CN120814400B CN 120814400 B CN120814400 B CN 120814400B CN 202511308647 A CN202511308647 A CN 202511308647A CN 120814400 B CN120814400 B CN 120814400B
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- China
- Prior art keywords
- rod
- liquid
- positioning plate
- hollow tank
- liquid fertilizer
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/047—Spraying of liquid fertilisers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
本发明涉及肥料撒施车技术领域，公开了一种液体肥料撒施车，包括：空心罐体：前端设有加注管，用于液态肥料灌注；后侧内底部设有凹陷排料口，其通过分流通路连接：排料管，延伸至车体后部用于施肥作业；排渣管，通向杂质收集容器；防浪冲刷组件：沿空心罐体轴线间隔分布的板组结构，本发明通过循环防沉淀系统的闭环流体设计，强制将罐底高浓度液体抽吸至顶部喷洒，形成持续涡流搅动，防浪冲刷组件的活动挡板将液体冲击动能转化为定向冲洗压力，精准打击罐顶沉淀区，双系统协同消除液体分层与沉淀物粘附，确保施肥时肥料浓度均一稳定，避免作物吸收不均。
This invention relates to the field of fertilizer spreading vehicle technology and discloses a liquid fertilizer spreading vehicle, comprising: a hollow tank with a filling pipe at the front end for filling liquid fertilizer; a recessed discharge port at the rear inner bottom, which is connected via a diversion path to: a discharge pipe extending to the rear of the vehicle for fertilization operations; a slag discharge pipe leading to an impurity collection container; and a wave-proof flushing assembly: a plate group structure spaced along the axis of the hollow tank. This invention, through the closed-loop fluid design of the circulating anti-sedimentation system, forcibly draws high-concentration liquid from the bottom of the tank to the top for spraying, forming a continuous vortex. The movable baffles of the wave-proof flushing assembly convert the liquid impact kinetic energy into directional flushing pressure, precisely targeting the sedimentation area at the top of the tank. The dual systems work together to eliminate liquid stratification and sediment adhesion, ensuring a uniform and stable fertilizer concentration during fertilization and avoiding uneven crop absorption.
Description
Technical Field
The invention relates to the technical field of fertilizer spreading vehicles, in particular to a liquid fertilizer spreading vehicle.
Background
The liquid fertilizer spreading vehicle is a key device for efficiently applying liquid organic fertilizer, inorganic fertilizer and returning livestock and poultry manure to fields in modern agriculture. The liquid fertilizer in the tank body is conveyed to the spray head through the pumping system and uniformly spread on the surface of a farmland or the deep soil layer, so that the dual purposes of nutrient supply and soil improvement are realized. The equipment is widely applied to scenes such as field crops, pastures and orchards, and has the advantages of high operation efficiency, reduced cost, improved fertilizer utilization rate and the like compared with the traditional solid fertilizer application mode.
However, there are still significant technical bottlenecks in practical applications for liquid fertilizer applicators. One of the core problems is that liquid fertilizers are prone to precipitation of particles during transportation and application due to standing or uneven flow. Raw materials such as livestock manure, biogas slurry and the like often contain incompletely dissolved organic matters, suspended particles and heavy metal impurities, and if an effective anti-precipitation measure is lacking, sediment can be gradually accumulated at the bottom of the tank body, so that the liquid fluidity and the fertilization uniformity are affected. In addition, long term accumulation of sediment can clog pipes, spray heads, increasing equipment maintenance frequency and failure rate.
Another core problem is that the existing spreading devices have insufficient dynamic control over the liquid distribution. Traditional equipment relies on mechanical stirring or manual periodic cleaning of the tank body, and uniformity of liquid components is difficult to continuously maintain. Especially in the vehicle driving process, liquid shaking aggravates the layering phenomenon of particles, so that the situation that local concentration is too high or too low in a spraying area is caused, and the crop absorption effect is directly influenced. While some devices attempt to alleviate the problem by adding a stirring motor or optimizing the tank structure, such solutions tend to increase energy consumption, structural complexity, and maintenance costs, and are difficult to accommodate for complex terrain and long-term operating requirements.
The limitations of the prior art highlight the improvement space of the liquid fertilizer spreading vehicle in the fields of precipitation prevention and uniform fertilization, and how to realize the dynamic circulation and stable distribution of liquid by the synergistic effect of structural design and power transmission becomes a key direction for improving the performance of equipment.
Disclosure of Invention
The invention aims to provide a liquid fertilizer spreading vehicle which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme that the liquid fertilizer spreading vehicle comprises:
hollow tank:
The front end is provided with a filling pipe for filling liquid fertilizer;
the inner bottom in the rear side is provided with a concave discharge hole which is connected with the concave discharge hole through a diversion passage:
a discharge pipe extending to the rear part of the vehicle body for fertilization;
The slag discharging pipe is communicated with the impurity collecting container;
Wave-resistant flushing component:
The plate group structure is distributed at intervals along the axis of the hollow tank body and comprises a circular positioning plate and movable baffles symmetrically arranged on two sides of the circular positioning plate, and is used for inhibiting liquid from shaking and directionally flushing sediment of the hollow tank body;
a multi-layer filtration module:
The device is detachably arranged at the top inlet of the concave discharge port and is used for intercepting suspended solid impurities;
Circulating anti-sedimentation system:
Comprises an arc-shaped conveying pipeline and a top spraying device which are communicated with the bottom and the top of the hollow tank body to form a closed-loop flow path;
Three-section folding type broadcasting mechanism:
the device comprises a central fixed rod fixed at the rear part of the vehicle body, folding wing rods symmetrically hinged to two sides of the central fixed rod, spraying nozzles uniformly distributed on the side walls of the folding wing rods, and an angle adjusting device for driving the unfolding angle;
the top of the central fixed rod is provided with an inverted triangle support bracket, and the oblique sides of the inverted triangle support bracket are matched with the guide rail structure on the upper surface of the folding wing rod to form a rigid support in a storage state.
According to the technical scheme, the circular locating plate of the wave-resistant scouring component is fixedly connected with the inner wall of the hollow tank body;
the movable baffle is dynamically connected with the circular locating plate through the following structure:
The central connecting rod penetrates through the central sliding grooves of the two plates to limit the transverse displacement;
the edge connecting rod groups are distributed according to a circumferential array and comprise top small-aperture rods, middle transition rods and bottom large-aperture rods, wherein the apertures of the top small-aperture rods are gradually increased from top to bottom;
compression springs are arranged at two ends of each connecting rod to form an elastic reset mechanism of the movable baffle;
the hydraulic dampers are uniformly distributed between the circular locating plate and the movable baffle.
According to the technical scheme, the circular locating plate is provided with:
Multilayer slope washes away hole group, distributes along the direction of height, includes:
the top layer flushing hole is obliquely directed to the near end of the inner wall of the hollow tank body;
the bottom flushing hole is obliquely directed to the far end of the inner wall of the hollow tank body;
a middle gradual change hole, wherein the inclination angle is continuously changed from top to bottom;
The inlet end of the pressure conversion channel is communicated with the cavity of the arc-shaped piston seat group, the outlet end of the pressure conversion channel is branched and connected with the multi-layer inclined flushing hole group, and a base block is arranged in the pressure conversion channel;
the pressure conversion mechanism is connected with the movable baffle plate by a piston rod penetrating through the circular positioning plate to form a dynamic pressure transmission path.
According to the above technical scheme, pressure conversion mechanism sets up in circular locating plate upper portion independently, includes:
arc-shaped piston seat groups are uniformly distributed along the circumferential direction of the middle upper part of the circular positioning plate;
The piston rod penetrates through and is movably arranged on the arc-shaped piston seat group, and two ends of the piston rod are fixed on the side walls of the movable baffle plates on two sides;
The connecting rope is used for connecting the connecting rope with the connecting rope, the head end is connected with the middle part of the piston rod, the middle section is wound around a corner wheel fixed on the inner wall of the tank body, the tail end is connected with the stressed end of the piston head;
A return spring sleeved on the outer side of the linkage rope, one end is abutted against the piston head, and the other end is fixed on the base block.
According to the above technical solution, the multi-layer filtration module comprises:
the annular magnetic attraction base is internally embedded with a neodymium-iron-boron permanent magnet array;
The coarse filter screen and the fine filter screen are stacked and spliced in the annular magnetic suction base, and the mesh aperture of the fine filter screen is 1/2 to 1/3 of that of the coarse filter screen;
the silica gel sealing ring is pressed between the annular magnetic suction base and the concave discharge hole to form radial seal.
According to the above technical scheme, the angle adjusting device includes:
The guide sliding seat is fixed on the side wall of the central fixing rod;
One end of the annular rack is fixed on the side wall of the folding wing rod, and the other end of the annular rack is movably arranged on the guide sliding seat;
And the output shaft of the driving motor is provided with a transmission gear meshed with the annular rack.
According to the above technical scheme, the circulation anti-sedimentation system further comprises:
the spiral conveying pump is arranged at the liquid inlet end of the arc conveying pipeline;
the conical suction head is arranged at the bottom of the hollow tank body and is communicated with the liquid inlet end of the arc-shaped conveying pipeline;
The top spraying device is an annular porous spray pipe, and the spray hole direction is obliquely directed to the central axis of the hollow tank body.
According to the above technical scheme, the guide slide includes:
The stainless steel main body frame is internally provided with a T-shaped guide groove which is arranged corresponding to the T-shaped guide block at the back of the annular rack;
The polytetrafluoroethylene anti-abrasion bushing is embedded in the inner wall of the T-shaped guide groove;
the tooth surface of the annular rack is provided with a molybdenum disulfide solid lubricating layer.
According to the above technical scheme, sunken bin outlet is two camber anti-blocking structures, include:
An upper vortex guide section having an arcuate profile disposed obliquely to guide the liquid into a swirling flow;
The lower impurity aggregation section is tapered and is provided with a wear-resistant layer on the inner wall, and is used for accelerating the movement of sediment to the slag discharge port;
The discharge pipe and the slag discharge pipe are respectively arranged at different curvature sections:
the inlet of the discharge pipe is positioned in the widest area of the vortex guiding section;
The inlet of the slag discharging pipe is arranged at the middle lower part of the impurity gathering section, and the inlet direction and the conical surface form an acute tangential included angle.
According to the above technical scheme, the inverted triangle support bracket includes:
the two sides of the bracket body are provided with adjusting grooves;
the ceramic coating roller group is arranged in the adjusting groove through an adjusting bolt;
The tail ends of the folding wing rods are provided with lap joint convex blocks;
when the folding wing bar is fully received:
The two folding wing rods and the central fixing rod form an isosceles triangle stabilizing structure;
the clamping groove at the tail end of the lap joint lug is mutually embedded and locked with the boss;
And the ceramic coating roller group and the wear-resistant guide rail strip at the bottom of the folding wing rod form a bearing limit contact surface.
Compared with the prior art, the invention has the following beneficial effects:
(1) Multistage cooperative anti-sedimentation, guaranteeing fertilizer uniformity, namely forcibly sucking high-concentration liquid at the bottom of the tank to the top for spraying through the closed-loop fluid design of a circulating anti-sedimentation system, forming continuous vortex stirring, converting liquid impact kinetic energy into directional flushing pressure by a movable baffle plate of a wave-resistant flushing component, precisely striking an impurity sedimentation area at the top of the tank, cooperatively eliminating liquid layering and sediment adhesion by a double system, ensuring uniform and stable fertilizer concentration during fertilization, and avoiding uneven crop absorption.
(2) The dynamic self-cleaning mechanism reduces the blockage risk, the pressure conversion mechanism innovatively utilizes natural energy of liquid shaking in the transportation process, when the movable baffle is impacted and displaced, the linkage rope pulls the piston head to open the flushing channel, the multilayer inclined flushing hole group automatically sprays and cleans the tank wall and the tank bottom, no external power is needed in the whole process, sediment stripping is synchronously completed in the transportation process, and the blockage probability of the discharging system is reduced from the source.
(3) Intelligent impurity separation, reducing the maintenance frequency of the filter screen, namely inducing rotational flow through an upper eddy guiding section by a double-curvature structure of a concave discharge port, enabling impurities to naturally settle to a lower impurity aggregation section, enabling a multi-layer filter module to adsorb metal impurities by a magnetic base, physically intercepting particles with different particle diameters by matching with a coarse/fine double-mesh, greatly prolonging the effective working time of the filter screen by a grading filter strategy, and improving the cleaning period to more than 2 times of that of the traditional design.
(4) The folding mechanism is rigid and flexible, the service life of the equipment is prolonged, when the inverted triangle support bracket is in a storage state, the ceramic roller group and the wear-resistant guide rail strip form a rolling support surface, sliding friction wear of folding joints is thoroughly eliminated, the embedded structure of the overlap joint convex blocks and the locking convex blocks distributes vibration load to the rigid frame of the central fixing rod, and the annular rack of the angle adjusting device is combined with the low-friction bushing during operation, so that the wing rod is ensured to be unfolded stably under the full-load working condition.
(5) The energy consumption optimization design realizes green operation, namely an energy recovery mechanism of the wave-resistant scouring component converts ineffective kinetic energy of liquid impact into effective scouring power, and a spiral conveying pump of the circulating anti-sedimentation system can realize liquid microcirculation in the tank only by maintaining low-speed operation.
(6) The modularized maintenance system reduces the use cost, wherein the magnetic suction base and the double filter screens of the multi-layer filter module adopt a split plug-in structure, the multi-layer filter module can be quickly disassembled for cleaning or replacement, the arc-shaped piston seat group of the pressure conversion mechanism is independently packaged, a positioning plate is not required to be disassembled during maintenance, and the anti-abrasion bushing and the annular rack of the guide sliding seat are of standardized sizes so as to support local replacement rather than integral scrapping.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a third perspective view of the present invention;
FIG. 4 is a fourth perspective view of the present invention;
FIG. 5 is a fifth perspective view of the present invention;
FIG. 6 is a first partial schematic perspective view of the present invention;
FIG. 7 is a second partial perspective view of the present invention;
FIG. 8 is a third partial schematic perspective view of the present invention;
FIG. 9 is a fourth partial schematic perspective view of the present invention;
FIG. 10 is a fifth partial schematic perspective view of the present invention;
FIG. 11 is a sixth partial schematic perspective view of the present invention;
FIG. 12 is a seventh partial schematic perspective view of the present invention;
FIG. 13 is an eighth partial schematic perspective view of the present invention;
FIG. 14 is a ninth partial schematic perspective view of the present invention;
FIG. 15 is a tenth partial schematic perspective view of the present invention;
FIG. 16 is an enlarged schematic view of the invention at A in FIG. 8;
In the figure: 1-hollow tank, 101-filler pipe, 102-concave discharge opening, 102 a-upper vortex guide section, 102 b-lower impurity accumulation section, 103-discharge pipe, slag discharge pipe, 2-wave-wash prevention assembly, 201-circular positioning plate, 202-movable baffle, 203-center connecting rod, 204-edge connecting rod group, 2041-top small bore rod, 2042-middle transition rod, 2043-bottom large bore rod, 205-multilayer oblique wash bore group, 2051-top wash bore, 2052-bottom wash bore, 2053-middle gradual bore, 206-base block, 207-pressure conversion mechanism, 2070-arc piston seat group, 2071-piston rod, 2072-return spring, 2073-linkage, 2074-corner wheel; 2075-piston head, 208-compression spring, 209-hydraulic damper, 3-multilayer filtration module, 301-annular magnetic suction base, 302-coarse filter screen, 303-fine filter screen, 304-silica gel seal ring, 305-neodymium iron boron permanent magnet, 4-circulation anti-settling system, 401-arc delivery pipe, 402-top spray device, 403-screw delivery pump, 404-conical suction head, 5-three-stage folding spreading mechanism, 501-central fixed rod, 502-folding wing rod, 5021-wear-resistant guide rail bar, 5022-lapping bump, 503-spray nozzle, 504-angle adjustment device, 5041-guide slide, 5041 a-stainless steel main body frame, 5041 b-polytetrafluoroethylene anti-wear sleeve, 5042-annular rack, 5042 a-T-shaped guide blocks, 5042 b-molybdenum disulfide solid lubrication layers, 5043-driving motors, 5044-transmission gears, 505-inverted triangle support brackets, 5051-support bodies and 5052-ceramic coating roller groups.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-16, the invention provides a liquid fertilizer spreading vehicle, comprising:
Hollow tank 1:
the front end is provided with a filling pipe 101 for filling liquid fertilizer;
the rear inner bottom is provided with a recessed discharge port 102 which is connected by a shunt path:
a discharge pipe 103 extending to the rear of the vehicle body for fertilization work;
A slag discharge pipe 104 leading to the impurity collection vessel;
wave-resistant flushing assembly 2:
The plate group structure distributed at intervals along the axis of the hollow tank body 1 comprises a circular positioning plate 201 and movable baffles 202 symmetrically arranged on two sides of the circular positioning plate 201, and is used for inhibiting liquid from shaking and directionally flushing the sediment of the hollow tank body 1;
multilayer filtration module 3:
the device is detachably arranged at the top inlet of the concave discharge hole 102 and is used for intercepting suspended solid impurities;
Circulation anti-sedimentation system 4:
comprises an arc-shaped conveying pipeline 401 and a top spraying device 402 which are communicated with the bottom and the top of the hollow tank body 1 to form a closed-loop flow path;
three-section folding broadcast mechanism 5:
the device comprises a central fixing rod 501 fixed at the rear part of the vehicle body, folding wing rods 502 symmetrically hinged at two sides of the central fixing rod, spraying nozzles 503 uniformly distributed on the side walls of the folding wing rods 502 and an angle adjusting device 504 for driving the unfolding angle;
An inverted triangle support bracket 505 is arranged at the top of the central fixing rod 501, and the oblique sides of the inverted triangle support bracket are matched with the guide rail structure on the upper surface of the folding wing rod 502 to form a rigid support in a storage state;
Specifically, the circular positioning plate 201 of the wave-resistant scouring assembly 2 is fixedly connected with the inner wall of the hollow tank body 1;
The movable baffle 202 is dynamically connected with the circular positioning plate 201 by the following structure:
A central connecting rod 203 penetrating through the two plates central sliding grooves to limit the lateral displacement;
The edge connecting rod groups 204 are distributed in a circumferential array and comprise top small-aperture rods 2041, middle transition rods 2042 and bottom large-aperture rods 2043 with gradually increased apertures from top to bottom;
Compression springs 208 are arranged at two ends of each connecting rod to form an elastic reset mechanism of the movable baffle 202;
the hydraulic dampers 209 are uniformly distributed between the circular positioning plate 201 and the movable baffle 202;
The circular locating plate 201 is fixedly connected with the inner wall of the hollow tank body 1, the circular locating plate 201 is used as a reference frame of the whole assembly, stable support and guide are provided for the movable baffle 202, the movable baffle 202 is dynamically connected with the locating plate 201 through the central connecting rod 203, the transverse displacement of the movable baffle 202 is limited in the range of a sliding groove of the circular locating plate 201, the movable baffle 202 only allows the reciprocating motion along the axial direction, when liquid shakes due to inertia in the running process of a vehicle, the movable baffle 202 moves along with the impact force of the liquid, shaking energy is dispersed into local vibration, so that the impact force of the liquid on the whole tank body is reduced, the movement of the movable baffle 202 can drive the liquid to form directional flow, the tank body bottom is periodically washed by combining with a plurality of layers of later designed washing hole groups 205, fertilizer particles or impurities are prevented from depositing, the central connecting rod 203 penetrates through the sliding groove of the movable baffle 202 and the locating plate 201, the movement of the baffle is ensured only along the axial direction, the structure instability or sealing failure caused by transverse deflection is avoided, the top small-aperture rod 2041 is sensitive to high-frequency vibration of liquid shaking, the liquid flow speed is limited by the small aperture, the inhibiting effect on slight shaking is enhanced, the middle transition rod 2042 balances the buffering requirement of the top and the bottom, medium-amplitude shaking is adapted, the bottom large-aperture rod 2043 allows larger flow to pass, liquid impact during severe shaking is responded, meanwhile, the accumulation risk of bottom sediment is reduced, the edge connecting rod group 204 is distributed along the circumferential array, the stress of the movable baffle 202 is homogenized, local stress concentration is avoided, the integral shaking resistance is improved, after liquid shaking is stopped, the movable baffle 202 is pushed to the initial position by the compression spring 208 through pretightening force, the components are always in a standby state, part of impact energy is absorbed by the compression spring 208 in the movement process of the movable baffle 202, the direct impact of liquid on the tank body is reduced, the structural fatigue damage risk is reduced, the hydraulic damper 209 is uniformly distributed between the positioning plate 201 and the movable baffle 202, the movement speed of the movable baffle 202 is limited through the viscous resistance of the liquid, the secondary impact or structural vibration caused by excessively fast movement is avoided, the inertial fluctuation in the reciprocating movement of the baffle can be effectively attenuated, the liquid shaking is smoothly absorbed, and the tank body is prevented from resonance or local stress overload;
the wave-resistant scouring component 2 realizes the following comprehensive effects through the cooperative work of the structures:
the dynamic movement of the movable baffle 202 and the layered buffering of the edge connecting rod group 204 are used for converting the shaking energy of the liquid into controllable local vibration, so that the shaking amplitude of the whole tank body is obviously reduced;
The directional flushing, namely the reciprocating motion of the movable baffle 202 is combined with the design of a subsequent flushing hole group, so that the bottom of the tank body can be cleaned periodically, and the problem of blockage or corrosion caused by sediment accumulation is prevented;
The cooperation of the central connecting rod 203 and the hydraulic damper 209 ensures that the assembly keeps motion stability under complex working conditions, and prolongs the service life of the equipment;
Specifically, the circular positioning plate 201 is provided with:
A plurality of inclined flushing hole sets 205, distributed in a height direction, comprising:
the top flushing holes 2051 are obliquely directed to the near end of the inner wall of the hollow tank body 1;
the bottom flushing holes 2052 are obliquely directed to the far end of the inner wall of the hollow tank body 1;
a middle progressive hole 2053, the inclination angle varies continuously from top to bottom;
The pressure conversion channel, the inlet end is communicated with the cavity of the arc-shaped piston seat group 2070, the outlet end is branched and connected with the multi-layer inclined flushing hole group 205, and the base block 206 is arranged inside;
The pressure conversion mechanism 207 is connected with the movable baffle 202 through the piston rod 2071 penetrating the circular positioning plate 201 to form a dynamic pressure transmission path;
The oblique direction of the top-layer flushing holes 2051 is directed to the near end of the top wall of the tank body, when liquid flows due to shaking or flushing requirements, the holes guide the liquid to the near end area of the top wall to form local flushing flow, remove suspended impurities or slight sediments attached to the near end of the top wall to prevent the suspended impurities or slight sediments from accumulating to form refractory dirt along with time, the oblique direction of the bottom-layer flushing holes 2052 is directed to the far end of the top wall of the tank body, by guiding the liquid flow to the far end area of the top wall to form a reverse flushing effect, a cleaning blind area covering the far end of the top wall is ensured, the impurities in the arc area of the top are thoroughly removed, the oblique angle of the middle gradual change holes 2053 is continuously changed from top to bottom to form a transitional flushing path from the near end to the far end, cover gap between the top-layer flushing holes and the bottom-layer flushing holes is ensured, residual impurities caused by the local flushing deficiency are avoided, the multi-layer inclined flushing hole group 205 is only arranged at the upper middle part, the design of the lower flushing hole is omitted, the manufacturing complexity can be reduced, the maintenance cost can be reduced, the lower part can be flushed by means of natural fluid, sediment can naturally gather towards the slag discharging port 104 due to the action of liquid flow and gravity in the bottom area of the tank body, no additional flushing holes are required, when the liquid level is higher, the system drives the flushing hole group to work by pumping liquid, the cleaning of the top wall area is completed by utilizing the liquid kinetic energy, at the moment, the liquid flow path covers all the flushing holes, the high-efficiency cleaning is ensured, the flushing hole group is gradually exposed to the air along with the descending of the liquid level, at the moment, the system is switched into an air flushing mode, the dynamic pressure transmission of the pressure conversion mechanism 207 is utilized, the wave kinetic energy generated by the liquid shaking in the tank body is converted into compressed air, the air is driven to be sprayed out through the flushing hole group, the air flow disturbance is formed, trace impurities remained on the top wall are removed, extra power consumption is not needed, the mechanical movement and wave energy are completely relied on, the energy-saving operation is realized, the movable baffle 202 of the wave-resistant scouring assembly 2 reciprocates when liquid shakes, the kinetic energy is transferred to the pressure conversion channel through the piston rod 2071 and is converted into compressed air or liquid flowing pressure, the scouring hole group is driven to work, an external power supply is not needed in the whole scouring process, the wave energy generated by liquid shaking in the running process of a vehicle is only relied on, and the environment-friendly energy-saving concept is met;
specifically, the pressure conversion mechanism 207 is independently disposed at the upper middle portion of the circular positioning plate 201, and includes:
arc-shaped piston seat groups 2070 are uniformly distributed along the circumferential direction of the middle upper part of the circular positioning plate 201;
the piston rod 2071 penetrates through and is movably arranged on the arc-shaped piston seat group 2070, and two ends of the piston rod are fixed on the side walls of the movable baffle 202 on two sides;
A linkage rope 2073, the head end of which is connected with the middle part of the piston rod 2071, the middle part of which is wound around a corner wheel 2074 fixed on the inner wall of the tank body, and the tail end of which is connected with the stress end of the piston head 2075;
a return spring 2072, which is sleeved outside the linkage rope 2073, one end of which abuts against the piston head 2075, and the other end of which is fixed to the base block 206;
The arc-shaped piston seat group 2070 is circumferentially and uniformly distributed along the upper part of the circular positioning plate 201, the piston rod 2071 is used as a mounting bracket of the piston rod 2071, the piston rod 2071 penetrates through and is movably mounted on the side wall of the movable baffle 202 at two sides, when liquid shakes due to running of a vehicle, the reciprocating motion of the movable baffle 202 is directly converted into linear displacement in the arc-shaped piston seat group 2070 through the piston rod 2071, the displacement is further transmitted to the piston head 2075 through a linkage rope 2073, the opening and closing or pressure distribution of a pressure conversion channel is driven, dynamic pressure regulation is formed, the head end of the linkage rope 2073 is connected with the middle part of the piston rod 2071, the middle section of the linkage rope 2074 is wound on a corner wheel 2074 fixed on the inner wall of a tank body, the tail end of the linkage rope 2075 is connected with a stressed end of the piston head 2075, the corner wheel 2074 converts the linear motion of the piston rod 2071 into reciprocating motion of the piston head 2075 by changing the winding direction of the linkage rope 2073, flexible adjustment of a pressure transmission path is realized, when the movable baffle 202 is subjected to liquid impact movement, kinetic energy is not required to be efficiently transmitted to the piston head 2075, dynamic response of the pressure conversion channel is driven, external energy is input, after the liquid stops driving the pressure conversion channel is stopped, the reset spring 2072 is always returns to a small-side displacement through a reset spring, the initial compression stroke conversion mechanism is in a small-state, and the initial displacement is in a state, and a small-stage compression stroke state is realized, and the horizontal displacement is always has a small-phase displacement effect, and a compression effect is realized;
Specifically, the multilayer filter module 3 includes:
the annular magnetic base 301 is embedded with an array of neodymium-iron-boron permanent magnets 305;
The coarse filter screen 302 and the fine filter screen 303 are stacked and spliced in the annular magnetic attraction base 301, and the mesh aperture of the fine filter screen 303 is 1/3 to 1/5 of that of the coarse filter screen 302;
the silica gel sealing ring 304 is pressed between the annular magnetic base 301 and the concave discharge hole 102 to form radial seal;
The annular magnetic base 301 provides strong magnetic adsorption force through the embedded neodymium iron boron permanent magnet 306 array, the strong magnetic adsorption force is used for fixing the coarse filter screen 302 and the fine filter screen 303, the adsorption force generated by the permanent magnet 306 array can firmly adsorb the filter screen, bolts or other mechanical fixing parts are not needed, the installation process is simplified, when the filter screen needs to be cleaned or replaced, the filter screen can be directly taken down only by removing the magnetic base 301 from the concave discharge port 102, complex operation is not needed, the coarse filter screen 302 is used as a first filtering barrier, larger particle impurities (such as gravel, undissolved fertilizer particles and the like) are intercepted, the load pressure of the subsequent filter screen is reduced, the whole service life is prolonged, the mesh design of the filter screen allows liquid to smoothly pass through, hard particles possibly damaging equipment are effectively blocked, the fine filter screen 303 is overlapped on the coarse filter screen 302, the mesh aperture is obviously smaller than the coarse filter screen, further intercepts tiny suspended impurities (such as tiny organic matters and colloid particles) and the like), the purity degree of output liquid is ensured to be ensured by layered design, the impurity spraying system is avoided or the influence on the uniformity is ensured, the silica gel seal ring 304 is pressed against the annular magnetic base 301 and the concave discharge port 102, the elastic deformation is well realized, the filter screen is prevented from entering the elastic deformation layer through the elastic deformation mechanism or the elastic deformation layer, the filter screen has the elastic deformation, the high-like, the quality is well-suited to the quality of the filter screen is prevented from being aged, the filter layer is prevented from being deformed, the quality is due to the elastic deformation, the filter layer is caused by the filter layer, and the quality is well, the filter-like is prevented from being deformed, and the filter layer is caused by the filter layer, and the filter layer is caused by the impurity, and can be caused by the filter;
specifically, the angle adjustment device 504 includes:
A guide slider 5041 fixed to the side wall of the central fixing rod 501;
An annular rack 5042, one end of which is fixed on the side wall of the folding wing rod 502, and the other end of which is movably arranged on the guide sliding seat 5041;
A drive motor 5043, the output shaft of which is provided with a transmission gear 5044 meshed with the annular rack 5042;
The angle adjusting device 504 realizes the precise control of the unfolding angle of the folding wing rod 502 through the cooperative design of a gear-rack transmission and a guide structure, thereby flexibly adjusting the operation width and coverage of a broadcasting mechanism, the guide sliding seat 5041 is fixed on the side wall of the central fixed rod 501, a stable guide track is provided for the movement of the annular rack 5042, the annular rack 5042 is ensured to move along a preset track in the unfolding or storage process of the folding wing rod 502 through the limit function of the guide sliding seat 5041, the offset or clamping stagnation is avoided, one end of the annular rack 5042 is fixed on the side wall of the folding wing rod 502, the other end of the annular rack 5042 moves on the guide sliding seat 5041 to form the linkage of rotation and linear movement, the axle center of the annular rack 5042 and the hinge point of the folding wing rod 502 are coaxially arranged, the driving motor 5043 is used as a core power source, the driving gear 5044 on an output shaft is meshed with the annular rack 5042 to convert electric energy into mechanical energy, and the precise control of the unfolding angle of the folding wing rod 502 is realized through the gear-rack transmission system, and various working conditions from complete storage to maximum unfolding are covered;
Specifically, the circulating anti-settling system 4 further includes:
The spiral conveying pump 403 is arranged at the liquid inlet end of the arc conveying pipeline 401;
the conical suction head 404 is arranged at the bottom of the hollow tank body 1 and is communicated with the liquid inlet end of the arc-shaped conveying pipeline 401;
the top spraying device 402 is an annular porous spray pipe, and the spray hole direction is obliquely directed to the central axis of the hollow tank body 1;
The circulating anti-sedimentation system 4 is designed through a closed loop flow path, the continuous stirring and uniform distribution of liquid in the hollow tank body 1 are realized by combining the synergistic effect of the spiral conveying pump 403, the conical suction head 404 and the top spraying device 402, so that sedimentation and layering of fertilizer particles are prevented, the spiral conveying pump 403 is arranged at the liquid inlet end of the arc conveying pipeline 401, the liquid (including suspended particles which are possibly deposited) at the bottom of the hollow tank body 1 is efficiently pumped into the arc conveying pipeline 401 through a spiral propelling structure of the spiral conveying pump, the conical suction head 404 is arranged at the bottom of the hollow tank body 1 and is communicated with the liquid inlet end of the arc conveying pipeline 401, the conical structure can enlarge the suction range, cover a larger area at the bottom of the tank body, the tapered shape of the conical structure reduces the liquid flow resistance, meanwhile, the particles are prevented from accumulating near the suction port, the blocking risk is reduced, the system is ensured to stably run for a long time, the top spraying device 402 is an annular porous spray pipe, the spray hole direction is obliquely directed to the central axis of the hollow tank body 1, the spray hole is in a centripetal direction, the liquid is formed to flow downwards from the central axis, the liquid sucked from the bottom forms a circulation path, the liquid is mixed with the liquid sucked from the bottom, the liquid at the bottom, the bottom is fully mixed with the suspension liquid at the upper part of the central axis, the suspension layer is fully, the closed loop density is prevented from being caused, the difference of the density difference is caused, and the uniformity of the liquid is fully broken, and the density difference is caused by the difference of the density of the partial density is caused;
specifically, the guide slider 5041 includes:
the stainless steel main body frame 5041a is internally provided with a T-shaped guide groove which is arranged corresponding to the T-shaped guide block 5042a at the back of the annular rack 5042;
a polytetrafluoroethylene anti-abrasion bushing 5041b embedded in the inner wall of the T-shaped guide groove;
The tooth surface of the annular rack 5042 is provided with a molybdenum disulfide solid lubricating layer 5042b;
The guide sliding seat 5041 provides stable guide and low friction support for the movement of the annular rack 5042 through the cooperative design of the stainless steel main body frame 5041a and the polytetrafluoroethylene anti-wear bushing 5041b, the stable guide and low friction support is provided for the movement of the annular rack 5042, the efficient operation of the angle adjusting device 504 is ensured, the stainless steel main body frame 5041a is used as a core structure of the guide sliding seat 5041, high-strength mechanical support is provided, the guide sliding seat 5041 is ensured to keep shape stability and deformation resistance under complex working conditions, a T-shaped guide groove is formed in the frame, the T-shaped guide groove is in precise fit with a T-shaped guide block 5042a at the back of the annular rack 5042, the Polytetrafluoroethylene (PTFE) bushing 5041b is embedded in the inner wall of the T-shaped guide groove, the contact resistance between the guide block 5042a and the groove wall is obviously reduced by utilizing the extremely low friction coefficient of the PTFE material, the excellent performance of the PTFE material can absorb micro vibration and impact between the guide block and the groove wall, the service life of the guide sliding seat and the bushing is prolonged, the PTFE is corrosion-resistant and high-temperature resistant, and can adapt to the long-term wet running environment of a liquid fertilizer spreader, and the continuous lubrication effect of the annular rack 5042b is provided by the layered structure;
Specifically, the concave discharge outlet 102 is a double-curvature anti-blocking structure, and includes:
an upper vortex guide section 102a whose arcuate profile is inclined to guide the liquid into a swirling flow;
The lower impurity aggregation section 102b is tapered and conical, and the inner wall of the lower impurity aggregation section is covered with a wear-resistant layer for accelerating the movement of sediment to a slag discharge port;
the discharge pipe 103 and the slag discharge pipe 104 are respectively arranged at different curvature sections:
the inlet of the discharge pipe 103 is positioned at the widest area of the vortex guiding section 102 a;
the inlet of the slag discharging pipe 104 is arranged at the middle lower part of the impurity gathering section 102b, and an acute tangential included angle is formed between the inlet direction and the conical surface;
the arc profile of the upper vortex guide section 102a inclines towards the central axis, so that liquid entering the discharge port forms a spiral flow under the action of gravity and guide, the fluidity of the liquid is enhanced, local deposition caused by standing or low flow speed is reduced, suspended particles can be pushed outwards by the centrifugal force of the spiral flow, the accumulation of the suspended particles at the inlet of the discharge port is avoided, the blocking risk is reduced, the lower impurity accumulation section 102b is in a tapered cone shape, the flow speed of the liquid is accelerated through geometric contraction, sediment (such as undissolved particles and impurities) is forced to slide downwards along the conical surface, the sediment is concentrated to the inlet area of the slag discharge pipe 104, the inner wall is covered with a wear-resistant layer (such as ceramic or polymer coating), the abrasion caused by long-term flushing is reduced, the service life of the structure is prolonged, meanwhile, the adhesion probability of the impurities is reduced, the inlet of the slag discharge pipe 103 is positioned in the widest area of the vortex guide section 102a, the liquid flow speed is lower, the impurity content is lower, the fertilizer liquid is conveniently discharged out of a tank body directly, the interference of the impurities is avoided, the liquid flow resistance of the wide port is reduced, the liquid flow resistance is ensured, the discharge is smooth in the process of fertilization operation, the large flow demand is adapted, the liquid fertilizer supply is realized, the slag discharge pipe 104 is arranged at the middle lower part of the impurity accumulation section 102b, the sediment, the inlet is arranged at the lower part of the impurity accumulation section (such as well as the undissolved), the sediment, and the sediment is formed by the sharp angle, and the tangential flow, the sharp angle is formed by the sharp angle and the sharp angle, the flow and the sediment is blown by the sharp-resistant flow, the slope is prevented from the slope, and the sediment is blown by the sharp-oriented flow, and the slope, and the inclined sediment is discharged by the slope and the slope surface and the surface is reduced;
Specifically, the inverted triangle support bracket 505 includes:
The bracket body 5051 is provided with adjusting grooves on the bevel edges at two sides;
the ceramic coating roller set 5052 is arranged in the adjusting groove through an adjusting bolt;
the tail end of the folding wing rod 502 is provided with a lap joint lug 5022;
When the folding wing bar 502 is fully stowed:
The two folding wing bars 502 and the central fixing bar 501 form an isosceles triangle stabilizing structure;
the clamping groove at the tail end of the lap joint lug 5022 is mutually embedded and locked with the boss;
the ceramic coating roller set 5052 and the wear-resistant guide rail strip 5021 at the bottom of the folding wing rod 502 form a bearing limit contact surface;
The inverted triangle support bracket 505 provides stable support, dynamic guiding and limiting functions for the unfolding and storage of the folding wing rod 502 through the collaborative design of the bracket body, the ceramic coating roller group and the locking structure, the reliability and safety of the broadcasting mechanism in the operation and transportation state are guaranteed, the bracket body 5051 adopts the inverted triangle design, the regulating grooves are formed on the bevel edges of two sides, a rigid frame is formed, a stable supporting foundation is provided for the bottom of the folding wing rod 502, the ceramic coating roller group 5052 is installed in the regulating grooves through the regulating bolts, a sliding contact surface is formed with the wear-resistant guide rail 5021 at the bottom of the folding wing rod 502, smooth guiding is provided when the folding wing rod is unfolded or stored, the clamping risk is reduced, the ceramic coating on the roller surface has high hardness and low friction coefficient, the contact resistance with the guide rail is reduced, meanwhile, corrosion and abrasion of liquid fertilizer are resisted, the service life is prolonged, when the folding wing rod 502 is completely stored, the two wing rods and the central fixed rod 501 form an isosceles triangle, geometric self-locking is realized through the inverted triangle configuration of the bracket body 5051, the shaking risk in the transportation or non-operation state is eliminated, the clamping groove at the tail end of the bump 5022 and the boss form a smooth guiding with the wear-resistant guide rail 502, the vibration-resistant guide rail 502 is prevented from being excessively deflected when the folding wing rod is unfolded or stored, the vibration-resistant wing rod is not accidentally or is formed, the vibration-resistant to the folding wing rod is in the folding wing rod is unfolded or is in contact with the folding guide rail rod or is in contact with the folding device, or is not to contact with the stable guiding rail rod is greatly, or has a vibration resistant contact surface is greatly, and has high abrasion resistance and can be deformed.
The working flow of the device is as follows:
1. Preparation stage
Device inspection and filling
The tightness of the hollow tank 1 was checked to confirm that the filling pipe 101, the discharge pipe 103, and the discharge pipe 104 were not clogged or leaked.
Liquid fertilizer is injected into the hollow tank body 1 through the filling pipe 101, the wave-resistant scouring component 2 is started, the movable baffle 202 is linked with the positioning plate 201 through the central connecting rod 203, liquid shaking in the filling process is restrained, and initial precipitation is prevented.
2. Stage of broadcast application operation
Liquid delivery and filtration purification
The filtering module functions:
the liquid fertilizer intercepts large-particle impurities through a coarse filter screen 302 of the multi-layer filter module 3, and the fine filter screen 303 further intercepts tiny suspended impurities.
The wave-resistant scouring component 2 cooperates:
The reciprocating motion of the movable baffle 202 drives the multi-layer inclined flushing hole group 205 through the pressure conversion mechanism 207, the top flushing hole 2051 cleans impurities at the near end of the top wall in the tank body, the bottom flushing hole 2052 cleans impurities at the far end of the top wall, the middle gradual change hole 2053 covers the transition area, a directional flushing flow is formed, and the adsorption of impurity particles is prevented.
Circulation anti-sedimentation and dynamic adjustment
The circulation system operates:
The screw pump 403 is started, and the liquid at the bottom of the tank is pumped through the conical pumping head 404 and delivered to the top spraying device 402 through the arc-shaped delivery pipeline 401.
The annular porous nozzle 402 sprays liquid in an oblique direction toward the central axis, creating a centripetal spiral flow, breaking the localized quiescent zone, maintaining liquid uniformity.
The wave-resistant scouring assembly 2 continuously acts:
the movable baffle 202 continuously reciprocates along with liquid shaking in the running process of the vehicle, and liquid fluctuation is restrained through layered buffering of the edge connecting rod group 204 and damping control of the hydraulic damper 209, so that broadcasting stability is ensured.
Spreading mechanism spreading and working
The angle adjusting device 504 is started, the driving motor 5043 drives the transmission gear 5044 to rotate, and the folding wing bar 502 is driven to be unfolded to be horizontal through the linkage of the annular rack 5042 and the guide sliding seat 5041.
Liquid discharge and uniform spreading:
The inlet of the discharge pipe 103 is located at the widest region of the vortex guide section 102a, where the cleaning liquid is discharged.
The liquid is uniformly sprayed to the target area through the spray nozzle 503 at the tail end of the folding wing rod 502 to form the covered fertilization.
3. Impurity treatment and operation end
Impurity separation and slag discharge
The concave discharge port 102 functions:
Undissolved particles and metal impurities are concentrated to the inlet of the slag discharging pipe 104 through the impurity accumulating section 102b of the concave discharge port 102.
Receiving mechanism for broadcast mechanism
After the operation, the driving motor 5043 is reversed, and the folding wing bar 502 is received along the adjustment groove of the inverted triangle support bracket 505.
The clamping groove of the lap joint lug 5022 is embedded with the boss to be locked, so that an isosceles triangle stabilizing structure is formed, and the stability of the mechanism after storage is ensured.
Dynamic stability guarantee:
the ceramic coated roller set 5052 of the inverted triangular support bracket 505 cooperates with the wear rail 5021 to ensure stable operation of the mechanism during storage.
Device cleaning and maintenance
The coarse/fine filter screen 302/303 of the multi-layer filter module 3 is cleaned to remove residual impurities.
The wave-erosion prevention assembly 2 is maintained by checking the elastic reset mechanism (compression spring 208) and the hydraulic damper 209 of the movable baffle 202, so as to ensure normal functions before the next operation.
4. Transportation and transfer
Shut down power system
The screw pump 403, the driving motor 5043 and the hydraulic damper 209 are turned off, and the power supply to the apparatus is cut off.
Transport preparation
The locking structure of the inverted triangle support bracket 505 is confirmed to completely fix the folding wing bar 502, preventing shaking during transportation.
Check whether the discharge pipe 103 and the slag discharge pipe 104 are closed or not to avoid liquid leakage.
Transfer to the next job site
The device is fixed on the transport vehicle, and the process is repeated before going to the next working area.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present invention, and the present invention is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
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| CN110235587A (en) * | 2019-07-16 | 2019-09-17 | 唐玉祥 | A kind of foliage dressing device that spraying range is big |
| CN217608350U (en) * | 2022-05-29 | 2022-10-21 | 李国豪 | Fertilizer injection unit for agricultural production with self-interacting function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2494076C (en) * | 2010-05-28 | 2021-10-27 | Metalform Dannevirke Ltd | Spraying apparatus with cooperating tank, fluid inlet and pump |
| RU2512179C2 (en) * | 2012-04-16 | 2014-04-10 | Михаил Иванович Голубенко | Automatic device for application of liquid fertiliser to irrigation water |
| CN117280932A (en) * | 2023-09-04 | 2023-12-26 | 云南省农业科学院蚕桑蜜蜂研究所 | Range-adjustable automatic fertilization and pesticide spraying integrated device for mulberry |
| CN220830809U (en) * | 2023-10-07 | 2024-04-26 | 新疆心连心能源化工有限公司 | Liquid fertilizer applying device |
| CN119456285A (en) * | 2025-01-08 | 2025-02-18 | 浙江瑞丰五福气动工具有限公司 | A self-cleaning and anti-clogging waste liquid spray gun |
| CN119522713B (en) * | 2025-01-10 | 2025-10-10 | 青岛农业大学 | A mobile fertilizer applicator for planting in sandy soil |
| CN119769274B (en) * | 2025-02-05 | 2025-12-30 | 南京信必达农业科技有限公司 | A fertilization device for grape cultivation |
| CN120605553A (en) * | 2025-07-26 | 2025-09-09 | 浙江永泉化学有限公司 | Pigment slurry high-efficiency water washing and desalination equipment |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110235587A (en) * | 2019-07-16 | 2019-09-17 | 唐玉祥 | A kind of foliage dressing device that spraying range is big |
| CN217608350U (en) * | 2022-05-29 | 2022-10-21 | 李国豪 | Fertilizer injection unit for agricultural production with self-interacting function |
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