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WO1999002946A1 - Dispositif pour distribuer de façon dosee et discontinue de granules a partir d'un reservoir de stockage - Google Patents

Dispositif pour distribuer de façon dosee et discontinue de granules a partir d'un reservoir de stockage Download PDF

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Publication number
WO1999002946A1
WO1999002946A1 PCT/EP1998/003861 EP9803861W WO9902946A1 WO 1999002946 A1 WO1999002946 A1 WO 1999002946A1 EP 9803861 W EP9803861 W EP 9803861W WO 9902946 A1 WO9902946 A1 WO 9902946A1
Authority
WO
WIPO (PCT)
Prior art keywords
outlet
channel
metering
storage container
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP1998/003861
Other languages
German (de)
English (en)
Inventor
Klaus Wangermann
Günter BACHLECHNER
Jürgen MAHLSTEDT
Siegfried Krings
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Priority to AU88528/98A priority Critical patent/AU8852898A/en
Publication of WO1999002946A1 publication Critical patent/WO1999002946A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/10—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation
    • G01F11/26—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation wherein the measuring chamber is filled and emptied by tilting or inverting the supply vessel, e.g. bottle-emptying apparatus
    • G01F11/261—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation wherein the measuring chamber is filled and emptied by tilting or inverting the supply vessel, e.g. bottle-emptying apparatus for fluent solid material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/714—Feed mechanisms for feeding predetermined amounts
    • B01F35/7141—Feed mechanisms for feeding predetermined amounts using measuring chambers moving between a loading and unloading position, e.g. reciprocating feed frames
    • B01F35/71411—Feed mechanisms for feeding predetermined amounts using measuring chambers moving between a loading and unloading position, e.g. reciprocating feed frames rotating or oscillating about an axis
    • B01F35/714111—Feed mechanisms for feeding predetermined amounts using measuring chambers moving between a loading and unloading position, e.g. reciprocating feed frames rotating or oscillating about an axis the measuring chambers being pockets on the circumference of a drum rotating about a horizontal axis with discharging by gravity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/10—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation

Definitions

  • the invention relates to a device for the discontinuous, metered discharge of granules from a storage container with a funnel-shaped outlet and subsequent outlet opening.
  • the dosage depends on the speed of movement of the user relative to the floor. A punctiform dosed application to individual plants is not possible.
  • Volume dispensers with moving parts such as cellular wheels, flaps,
  • Valves which have to be closed again after each dosing process and which are susceptible to failure due to the wear caused by the mostly abrasive preparations and which tend to block especially due to clogging of the gaps between moving and stationary parts.
  • Dosing dispensers without moving parts are used in the household and especially in restaurants for sugar.
  • sugar dispensers with one Immersion tube known, whereby you can spread any smaller amount by swiveling through 180 °
  • the amount flowing out depends on the degree of filling of the container, the swivel angle and the swivel speed
  • With a swivel of about only 135 ° instead of 180 ° to the starting position can undesirably be a larger one
  • the object is to create a device for the discontinuous metered application of granules, which has a substantially improved metering accuracy, is susceptible to faults, has ergonomic advantages for the user and is safe and easy to handle
  • a duct bifurcation is arranged behind the outlet opening, the duct branch adjoining the outlet opening serving as an outlet duct, which tapers into the second fork branch at an angle of ⁇ 90 °, the section of which pointing in the extension of the outlet duct as one-sided closed metering vessel is formed, while the section leading away in the opposite direction from the mouth of the outlet channel is designed as a rubble channel with an open outlet opening, and that a tilting, swiveling or rotating movement can thus be carried out
  • the metering takes place by tilting or swiveling movement of the device, in particular if it is rigidly connected to the storage container, by tilting or swiveling this unit
  • Discontinuous is understood here to mean that the process is interrupted after each individual metering process.
  • metering is carried out discontinuously, but the metering process is repeated virtually periodically Since there are no moving parts in the transport path of the device, the risk of blocking is reduced.
  • the cross-section of the channels and the choice of the angle between the outlet channel and the pouring channel the quantity to be dispensed discontinuously and the particle size and flowability of the granulate must be taken into account pull
  • the fact that the storage containers used should have a funnel-shaped outlet is only a natural prerequisite for complete removal and has nothing to do with the actual dosing and dispensing process.
  • the new metering device is based on the principle of volume doses ation, which is equivalent to mass dosing when the granulate has a homogeneous bulk density
  • the new device is particularly intended for manual application.
  • the metering device could also be operated by machine at regular or irregular intervals in continuous operation.
  • the metering device including the storage container could be arranged on a rotating cross shaft provided with a drive at every full revolution or alternatively with everyone
  • Swiveling movement preferably through 180 °, a dosing and application process would take place.
  • the drive would advantageously be operated with a hand switch, so that each individual process can be triggered separately
  • the device is preferably intended for the application of crop protection agents and offers particular advantages for toxic preparations.However, it can also be used for fertilizers, pharmaceutical products, detergents, household cleaners and even seeds.
  • the only criterion for successful use is that the substances to be applied are in granular form or granular-like granular form and have sufficient fluidity
  • Storage containers for the new dosing device are preferably designed for quantities of approx. 1 g to 10 kg of granules. Containers to be carried on the back can also contain up to 30 kg.
  • the dosing quantities to be applied with the new device must be matched to the size of the storage container and are preferably between 0, 1 g and approx.
  • the preferred application sizes can be roughly divided into three categories, namely small, medium and large-volume containers have about 10 g content at a dosage of 0.1 to 1 g, so that about ten to a hundred servings can be dosed
  • Granule size should be less than 0.5 mm. This category is suitable for the care of plants in the living area.Medium containers have a content of about 1 kg and are preferred for dosing quantities of 1 g to 10 g, so that there are a number of portions of about a hundred to a thousand Granulate size is 0.5 to 1 mm. This large category is particularly suitable for fertilization and for crop protection application for individual plants in the garden, greenhouse or field. Bulk containers finally contain about 10 to 30 kg at a dosage of about 10 g to 100 g. The number of servings Correspondingly amounts to approximately one hundred to three thousand. The granulate size can be up to 3 mm. This category is suitable for use in plantations, e.g. for treating individual trees or
  • the outlet channel preferably has a smaller cross section than the metering vessel and rubble channel at least at one point
  • the device is advantageous to manufacture from transparent plastic, for example using the injection molding process, because then the first-time user in particular can gain educational experience in handling by observing the metering and application process. Blocking, which can never be completely ruled out for bulk materials, can also be excluded thereby immediately recognizable
  • the portion serving as a metering vessel has an unchangeable volume
  • a piston-like volume limiter which is adjustable in its immersion depth is arranged in the section serving as the dosing vessel
  • volume limiter can be fixed in the desired metering position, for example by means of a screw or in another suitable manner
  • volume limiter is additionally designed as a closure for the outlet channel
  • the volume limiter must be so long that it covers the mouth of the outlet channel in the closed position
  • the debris channel is bent in relation to the section serving as a metering vessel
  • the device is at least approximately Y-shaped, the portion serving as a metering vessel forming the base of the fork
  • the Y embodiment allows a better adaptation to the grain size of the granules and to its flowability, so that during the rubble process it is ensured that no additional material flows from or back into the storage container and the dosage quantity is falsified.
  • the individual sections can also be curved With the choice of the radius of curvature and the angle between the discharge channel and the debris channel, the dosing and application procedure can be carried out in relation to the
  • volume limiter is additionally designed as a closure for the outlet channel or any other suitable outlet protection, for example a closure of the outlet opening of the rubble channel, is present
  • a detachable connection between the storage container and the device can also be advantageous
  • the new, unopened storage container can then be closed with a normal closure and the new device enclosed with the pack so that it is exchanged for the closure only for the application process. This prevents leakage during transport and storage.
  • a device with Detachable connection is reusable for a new, full one after emptying the storage container. It is obvious that this embodiment in particular offers a screw or bayonet lock connection between the outlet opening of the storage container and the new device.
  • a detachable connection is in particular always for large containers then advantageous or even necessary if the new device additional
  • the device has an outlet channel connecting the outlet opening of the storage container with it, the first part of which is flexible and the second part, in the second
  • the flexible part preferably consists of a hose and the rigid part is preferably designed as a guide shaft, in which the hose is fixed, or a rigid pipe connects to the hose piece.
  • This embodiment is particularly intended for storage containers to be carried on the back
  • a modification of this embodiment is that the storage container with the outlet opening down is arranged on a raw, rigid guide shaft for an outlet channel serving hose, the latter, in the second
  • Fork branch mouth part is freely flexible, and that the metering device is pivotally attached to the lower end of the guide stem and is provided with an actuating end held further up on the guide stem
  • This embodiment is suitable for medium-sized storage containers up to about 2 kg
  • the handle can be provided with a special handle, similar to a rake, so that the storage container is at shoulder height behind it located. He grasps the handle so that the pouring channel opens at a suitable distance above the application point when the channel is upright. With a finger of the same hand that holds the storage container, he actuates the actuating end of a cable, for example, for dosing and application. Laborious bending down is avoided and the granulate can be placed very precisely.
  • the stem can also be designed as a guide, in which a hose extending from the outlet opening of the storage container to the fork is arranged. It is only important that the free part of the hose has the necessary flexibility and freedom of movement for the tilting movement.
  • the guide handle can be used in the same way, but with the difference that there is a flexible piece of hose between the outlet opening of the storage container and the guide handle, so that there is sufficient mobility between the storage container and the handle.
  • outlet channel has an acute-angled inclination ⁇ to the horizontal and furthermore an obtuse-angled angle ß, the angled section facing away from the end of a subsequent pouring channel, the obtuse angle ß, encloses an acute angle ⁇ and opens into it.
  • This embodiment has the advantage that an outflow from the outlet channel or backflow into the outlet channel which goes beyond the metered quantity is particularly advantageously prevented when the pouring channel is emptied.
  • the outlet channel is advantageously at an angle of 30 to 60 °; preferably 45 °; arranged to the horizontal, the bend ß of the outlet channel to the angled section has an obtuse angle ß, preferably by 135 °, and that adjoins the pouring channel, with the end having the outlet facing the angled section, the obtuse angle ß, one Includes angle ⁇ , preferably of 45 °, and for granule pick-up pointing upwards
  • the rubble canal points in the rubble position with its outlet opening in a downward direction. It is also sufficient, however, if the optimal angles are only approximated, so that by selecting the angles, the rubble canal is inclined upward perfect dosing and a perfect one when the rubble channel is inclined downwards
  • a particularly preferred embodiment of the invention allows the metered introduction of pesticide granules into the soil.
  • the stem is hollow at least in the lower region, the metering device is pivotably arranged in the stem so that the granulate flows into the stem in the outlet position.
  • the stem is open at the bottom is a wedge-shaped cut below, just above the wedge-shaped gate, a crossbar with fork is provided.
  • the handle is pivotally connected to the fork.
  • the crossbar has a spade blade pointing downwards, which forms a wedge with the wedge-shaped cut of the handle in the rest position, closing it by placing the The wedge can be printed in the ground on the crossbeam.
  • the metering device is preferably such with the crossbeam ken or its fork locked so that it is rotated during the swiveling movement of the handle from the full position of the dosing container into the outlet position, so that the dosing volume flows through the handle into the application hole.
  • the device is then pulled out of the floor so that the Application hole to the side of printed earth trickles over the applied granulate and obscures it. In this way, it succeeds, especially toxic
  • the new device is followed by a weighing device
  • the entire system is preferably stationary and fully automatic.It is suitable for determining the debris density of granules.
  • the guide shaft is, for example, stored in a ball bearing which is fixed in a stationary holder.
  • the drive is carried out by an electric motor.Each revolution delivers a certain amount of granules Collecting vessel of the weighing device, whereby
  • Granulate can neither flow back into the feed nor unintentionally flow out of it. If the filling process has ended after a certain number of revolutions, the display of the balance comes to rest and can be read. It is particularly advantageous to repeat this process several times so that several weighing results from different partial quantities are obtained from one another from the supply. These quantities can advantageously be automatically fed into a computer, displayed as a bar chart and processed further arithmetically. Usually, the mean value and the standard deviation of the weighing results can be calculated. For homogeneous granules, the standard deviation is based on experience very small The typical measurement error for sea sand is, for example
  • Calibration medium which has a grain size distribution of around 1 mm, and a volume of the weighing container of 5 ml, only 2% of the mean value.
  • the measuring arrangement can be used for the detection of such fluctuations. It is particularly advantageous that the measuring process can be carried out fully automatically after the supply has been filled. For example, 500 ml of granules are Given this advice, this quantity could be divided into approximately one hundred partial volumes of equal size during the measuring process and these could be measured individually. Due to its robust design and simple handling, the device is suitable as an operational measuring and control device. However, it must always be ensured that the measuring volume Sample r It is representative of the batch to be measured or the current product inflow. A suitable sample divider may have to be used for sampling According to another variant, the new device is designed as a filling device.
  • a storage container is followed by an outlet pipe which bends at an obtuse angle, to which a driven rotor inclined at the same angle is connected, the rotor consisting of a drum consisting of several segments, on which one Collecting sleeve is arranged, in which the outlet pipe opens leaving an annular gap, that an inclined channel leads from the bottom of the collecting sleeve to each segment, and that the segments open into a common central outlet of the drum, under which containers can be placed.
  • the preferably automatic transport part of the filling device can be of a type known per se for filling containers. It goes without saying that, in synchronism with the number of revolutions of the guide shaft or feed channel or with a periodic plurality thereof, new containers to be filled must always be placed under the outlet. In this way you have an inexpensive, essentially wear-free filling system without valves or rubbing parts.
  • This filling system is particularly advantageous for the dosing of smaller quantities, e.g. from 1 to 10 g. Through larger dosing vessels, e.g. with a volume of 1 to 10 1, the dosing quantities can of course also be increased. An upper limit is only set by the technical feasibility.
  • a central feed preferably angled at 45 °, which feeds the granules into a drum-like device rotating about an oblique axis, a plurality of co-rotating channels leading to assigned segments of the drum-like device at the central feed .
  • These have a central outlet.
  • the individual channels are filled one after the other and, when rotating, are emptied into the assigned, apart from the inlet and outlet, otherwise closed segments of the drum, from where they flow, when the drum is in the correct position, through the central outlet into the respective container below - eat.
  • the segments are thus filled and emptied alternately during the rotation depending on the current position
  • the amount of granulate depends on the specially selected geometry and the speed of rotation. It can therefore be measured or controlled directly by paying off the passing segments.
  • the metering can be carried out via a time control.
  • the segments designed as hollow bodies are always only partially filled, for example 80%, but this degree of filling is due to the flow properties of the
  • the granulate passes from the storage vessel through the stationary central inlet, for example angled at 45 °, into the hollow-body-like, rotating segments.
  • the inlet ends, for example, in a larger collecting tube on the rotating one
  • the annular gap between the inlet and the collecting sleeve should in any case be larger than the grain size of the largest granulate to be processed.You can choose the immersion depth of the inlet in the collecting sleeve so that taking into account the angle of inclination of the drum and of the channels the annular gap remains free
  • Granules reach the critical area of the annular gap A certain amount of friction occurs in the granulate itself and between the granulate and the pipe walls and is necessary for the function, but this friction occurs only with minimal pressure.Therefore there is practically no abrasion and no wear on the inlet and It is also advantageous that there is no need to seal the pipes against each other at this point, as would be the case when dosing liquids instead of granules hard and sharp-edged granules, however, a certain amount of wear is observed, this would have no effect on the function of the device, since neither the length of the inlet nor its diameter influence the metering accuracy. By closing the common outlet, the metering granulate flow can be stopped suddenly, so that nothing can continue to flow even in the event of vibrations. The content remaining in the rotating part is then protected against external influences, such as atmospheric humidity
  • a closure is particularly suitable for longer interruptions in operation when it is continued later under the previous conditions, such as for example interruptions in the shift
  • Parts are inexpensive to manufacture, and that only a low drive power is required
  • the new dosing device with a detachable connection on a storage container, in the dosing position,
  • FIG. 3 shows, according to a second exemplary embodiment, in longitudinal section, a varied embodiment of the metering device which is fixedly connected to a storage container in the storage position, 4 according to a third exemplary embodiment, in longitudinal section, the metering device by means of a hose with a large container to be carried on the back, namely in the metering position and the application position indicated by dashed lines,
  • the metering device is connected to a medium-sized storage container by means of a rigid handle, in the metering position,
  • FIG. 7 shows a fourth embodiment of the new device in the dosing position and in the broken-line emptying position
  • FIG. 9 shows the device according to FIG. 8 in the emptying position
  • FIG. 11 shows the device according to FIG. 10 with a downstream filling device in side view
  • a storage container 1 made of transparent plastic has a funnel-shaped outlet 2, which opens into an outlet opening 3.
  • a metering device 5 is attached to this by means of a detachable screw connection 4. It consists essentially of a duct fork 6, with an outlet duct 7, which contains a constriction 8, adjoins the outlet opening 3 and merges into the second fork branch 9 at an angle of 45 °. This is divided into a section approximately in the extension of the outlet channel 7, which is designed as a metering vessel 10, and a section running in the opposite direction and designed as a rubble channel 11 with an open outlet opening 12 Im
  • Dosing vessel 10 is guided by a piston-like volume limiter 13, to which a fixing screw 14 and a scale 15 are assigned. In the position according to FIG. 1, the dosing vessel 10 fills up and when or after swiveling about 90 ° into the position according to FIG. 2, the dose is exceeded emptied the rubble channel 12
  • Both the outlet channel 7 and the fork branch 9 have a circular cross section of 8 mm
  • the constriction 8 of the outlet channel 7 has a free diameter of 7 mm.
  • the metering vessel 10 has a length of 30 mm for the maximum full quantity, measured from the mouth of the outlet channel 8.
  • the length of the rubble channel 11, also measured from the mouth of the outlet channel 7. is 20 mm.
  • the volume limiter 13 has a tight fit with the wall of the metering vessel 10, so that it can be easily displaced therein, but no material can penetrate into the sliding gap.
  • the insertable length of the volume limiter 13 is 50 mm, so that it can also be used as Closure of the outlet channel 7 can serve.
  • a metering device 5 of this special dimension is suitable for granules with a grain size of approx. 0.1 to 1 mm.
  • the unit consisting of the storage container 1 and metering device 5 is first turned upside down, so that the desired The dosing volume of the dosing vessel 10 is filled. If you want to apply the dose, you swivel it Unit by approximately 90 °, so that the outlet opening 12 of the rubble channel 11 points obliquely or vertically downwards so that the dose can flow out. For repeated dispensing, the unit has to be pivoted again in the head position and then in the application position
  • the fork 31 has a Y-shape on D h, here the debris channel 32 forms an angle with both the outlet channel 33 and the metering vessel 34.
  • the user carries a large storage container 41 on the back. This also has a funnel-shaped outlet 42, the outlet opening 43 of which is connected by a flexible hose serving as outlet channel 44 by means of a screw connection 45.
  • a metering device 46 constructed as in FIGS
  • the piece of the hose 44 which extends approximately from the user's hand height into the second fork branch 48 of the metering device 46, is mounted in a stiff guide shaft 47, so that the user does not have to bend here.
  • the hose-like outlet channel 44 has a length of 500 mm at one inner diameter of 15 mm dosing vessel 49 and debris channel 50 also have a 15 mm diameter and together have a length of 200 mm. For dosing and emptying only the dosing device 46 and the guide stem 47 are pivoted together as a connected unit by about 90 °
  • a storage container 51 with its outlet opening 63 is directly connected to a rigid guide stem 52 by means of a detachable screw connection 53.
  • a hose serving as an outlet channel 54 is arranged, the end piece 55 of which is free so that it can be bent
  • the guide stem 52 has an extension 56 on which the metering device 57 is mounted by means of a joint 58.
  • the structure of the metering device 57 corresponds to that in accordance with FIGS. 1, 2, but a cable pull 59 engages it, the actuating end 60 of which further along on the guide stem 52 A holder 61 corresponds.
  • the storage container 51 is approximately at hand or arm height when used.
  • the pivoting movement of the metering device 57 required for application is triggered via the cable pull 59.
  • the elasticity of the hose 54 acts as a restoring force on the metering device 57 and sets it in the position for filling the dosing vessel 62 back
  • the funnel-shaped outlet 82 of a storage container is followed by an outlet channel 83 which is inclined at an angle ⁇ of 30 ° to the horizontal and which has an angled portion 84, the angled portion 85 with the preceding portion 86 encloses an angle ⁇ of 135 °.
  • the outlet opening 87 of the angled section 85 opens into a pouring channel 88, whose end, which has an outlet 89, closes, facing away from the obtuse angle ⁇ , with the angled section 85 in the metering and filling position an acute angle ⁇ of 45 °. In this position, the outlet opening 89 of the pouring channel 88 points upwards, in the dashed emptying position downwards.
  • the new device 81 can be pivoted through 180 ° about an axis running according to the section 86 or rotates about it.
  • the new device 90 is combined with a downstream weighing device 91.
  • the funnel-shaped outlet 92 of a storage container 93 opens into a metering device 94, which is shown in principle in FIG. 7.
  • This consists of a feed channel 95, which is rotatably mounted in a ball bearing 96.
  • a gear 97 is arranged on the feed channel 95 and meshes with a pinion 98 of a driving electric motor 99.
  • 8 shows the feed channel 95 in the filling position, in FIG. 9 in the emptying position.
  • the feed channel 95 has a bent part 100.
  • a pouring channel 101 connects to it.
  • a scale 102 on which a weighing vessel 103 is arranged, is arranged to collect the metered granules.
  • the new device is designed as a filling device 111.
  • the new device is designed as a filling device 111.
  • Storage vessel 112 connects to a metering device 113.
  • this consists of an outlet 114 bent at 135 ° and a rotor 135 rotating about the same axis.
  • the outlet 114 opens into a rotatable collecting sleeve 115 of this rotor 135.
  • An annular gap 116 is present between the two.
  • a gear 117 sits on the collecting sleeve 115 and can be driven by an electric motor 119 via a pinion 118.
  • the collecting sleeve 115 is arranged on a closed, cylinder-like block 120, which in turn is arranged on a drum 125, likewise consisting of four segments 121, 122, 123, 124, which are closed per se and which also has a corresponding inclination and which has a central outlet 126.
  • This opens via a deflection cone 128 driven by an electric motor 127, from which the granulate is guided into a container 129.
  • four channels 131, 132, 133, 134 lead through the block 120 into the edge areas of the arranged segments 121, 122, 123, 124.
  • the method of operation is as follows: from the collecting sleeve 115, the granulate passes through the downward-pointing channel 133 into the assigned segment 123 of the drum 125. If the drum 125 now continues to rotate clockwise, the segment 124 fills through the downward bore 134 while segment 124 is emptying. With further rotation, segment 121 is filled through channel 131, segment 123 being emptied simultaneously through outlet 126.
  • FIGS. 10 and 11 show an alternative to the embodiment of FIGS. 10 and 11.
  • the block 120 from FIG. 11 is designed as a hollow cylinder into which the outlet 130 of the collecting sleeve 115 opens.
  • the function of the channels 131, 132, 133, 134 in Fig. 10/11 is performed by segmented ring slots 141, 142, 143, 144.
  • the ring slots are delimited centrally by the cover plate 145.
  • the segments 121, 122, 123 and 124 of the drum 125 serve as dosing containers.
  • FIGS. 14, 15 and 16 show a device similar to that shown in FIGS. 5 and 6, the metering device 57 and an axis 58 being arranged pivotably within a fetching guide rod 52.
  • the outlet pipe 32 conveys into the cavity of the guide shaft 52.
  • the lower end of the guide shaft 52 is pivotally connected to a spade part 70 about the axis 65.
  • the spade part 70 consists of a spade plate 71, a cross bar 72 firmly connected thereto, one side of which is designed as a foot step 73 and the other side of which is designed as a fork 74 for guiding the hollow guide shaft 52.
  • the guide stem 52 is cut obliquely at its bottom open end 66 so that it is closed in the rest position (or filling position for the metering vessel 49) (see FIG. 15) by the spade plate 71 and forms a wedge with it.
  • a foot is now placed on the foot step 73 and the wedge is pressed into the ground by foot force (arrow A).
  • foot force By pivoting (arrow B) the guide shaft 52 about the axis 65, an application hole 67 opened (Fig. 16).
  • the dosing device 57 is pivoted about the axis 58 (arrow C), for example via the cable pull 59, so that the granules are conveyed out of the dosing volume 49 via the outlet pipe 32 and the cavity of the guide stem 52 into the application hole 59. The device is then pulled out of the floor, the application hole closing.
  • the guide stem 52 is brought into the rest position with respect to the crossbar 72 and at the same time the dosing device 57 is brought into the filling position.
  • the metering device is preferably connected via a flexible hose 44 to a storage container 41 for the granules which can be carried on the back (FIG. 14).

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Basic Packing Technique (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Coating Apparatus (AREA)

Abstract

L'invention concerne un dispositif (5, 36, 46, 57, 11) pour distribuer de façon dosée et discontinue des granulés à partir d'un réservoir de stockage (1, 35, 41, 51, 112) présentant une trémie (2, 82) et un orifice de décharge contigu (3, 43, 114). Une bifurcation de canal (6, 31, 141) est placée en aval de l'orifice de décharge (3, 43, 114). La branche de la bifurcation prolongeant l'orifice de décharge (3, 43, 114) sert de canal de distribution (7, 33, 44, 54, 83, 126) qui débouche, en formant un angle < 90 DEG , dans la deuxième branche (9) de la bifurcation. La partie de cette deuxième branche, qui est orientée dans le prolongement du canal de distribution (7, 33, 44, 54, 83, 126) est fermée et se présente sous la forme d'un contenant de dosage (10, 34, 62, 121) fermé d'un côté, tandis que la partie s'éloignant de la zone d'embranchement du canal de distribution (7, 33, 44, 54, 83, 126), dans la direction opposée, se présente sous la forme d'un canal d'écoulement (11, 32, 50, 88) comportant une ouverture de déversement (12, 89), ce qui permet d'effectuer un mouvement de bascule, de pivot ou de rotation.
PCT/EP1998/003861 1997-07-05 1998-06-24 Dispositif pour distribuer de façon dosee et discontinue de granules a partir d'un reservoir de stockage Ceased WO1999002946A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU88528/98A AU8852898A (en) 1997-07-05 1998-06-24 Device for the intermittent, metered distribution of granules from a reservoir

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19728790 1997-07-05
DE19728790.5 1997-07-05

Publications (1)

Publication Number Publication Date
WO1999002946A1 true WO1999002946A1 (fr) 1999-01-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1998/003861 Ceased WO1999002946A1 (fr) 1997-07-05 1998-06-24 Dispositif pour distribuer de façon dosee et discontinue de granules a partir d'un reservoir de stockage

Country Status (4)

Country Link
AU (1) AU8852898A (fr)
CO (1) CO4840503A1 (fr)
TW (1) TW367299B (fr)
WO (1) WO1999002946A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000020828A1 (fr) * 1998-10-02 2000-04-13 Aventis Cropscience S.A Applicateur pour substance coulante
JP2009075114A (ja) * 1996-08-23 2009-04-09 Astrazeneca Ab 微粒物質を計量する方法および装置ならびに複数のこのような装置からなる器械

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1631430A (en) * 1925-07-27 1927-06-07 Schreiber Sigmond Dispensing apparatus
GB1098584A (en) * 1964-09-15 1968-01-10 Commissariat Energie Atomique Improvements in bucket elevator wheels and the control thereof
US4461400A (en) * 1981-08-31 1984-07-24 Fmc Corporation Valveless metering dispenser
EP0501365A2 (fr) * 1991-02-26 1992-09-02 Sigismund Laskowski Procédé et dispositif de dosage d'une substance fluide à partir d'un réservoir d'alimention
WO1998008065A1 (fr) * 1996-08-23 1998-02-26 Astra Aktiebolag Procede et dispositif de mesure d'une substance particulaire et appareil compose de plusieurs de ces dispositifs

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1631430A (en) * 1925-07-27 1927-06-07 Schreiber Sigmond Dispensing apparatus
GB1098584A (en) * 1964-09-15 1968-01-10 Commissariat Energie Atomique Improvements in bucket elevator wheels and the control thereof
US4461400A (en) * 1981-08-31 1984-07-24 Fmc Corporation Valveless metering dispenser
EP0501365A2 (fr) * 1991-02-26 1992-09-02 Sigismund Laskowski Procédé et dispositif de dosage d'une substance fluide à partir d'un réservoir d'alimention
WO1998008065A1 (fr) * 1996-08-23 1998-02-26 Astra Aktiebolag Procede et dispositif de mesure d'une substance particulaire et appareil compose de plusieurs de ces dispositifs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009075114A (ja) * 1996-08-23 2009-04-09 Astrazeneca Ab 微粒物質を計量する方法および装置ならびに複数のこのような装置からなる器械
WO2000020828A1 (fr) * 1998-10-02 2000-04-13 Aventis Cropscience S.A Applicateur pour substance coulante

Also Published As

Publication number Publication date
CO4840503A1 (es) 1999-09-27
TW367299B (en) 1999-08-21
AU8852898A (en) 1999-02-08

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