CN106337402A - Drainage system for farmland cultivation in secondary salinization land in Yellow River irrigated areas - Google Patents
Drainage system for farmland cultivation in secondary salinization land in Yellow River irrigated areas Download PDFInfo
- Publication number
- CN106337402A CN106337402A CN201610753865.4A CN201610753865A CN106337402A CN 106337402 A CN106337402 A CN 106337402A CN 201610753865 A CN201610753865 A CN 201610753865A CN 106337402 A CN106337402 A CN 106337402A
- Authority
- CN
- China
- Prior art keywords
- pipe
- drainage system
- water
- yellow river
- secondary salinization
- 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.)
- Pending
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000002689 soil Substances 0.000 claims abstract description 16
- 239000010865 sewage Substances 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000001179 sorption measurement Methods 0.000 claims abstract description 8
- 238000003973 irrigation Methods 0.000 claims description 18
- 230000002262 irrigation Effects 0.000 claims description 18
- 239000003463 adsorbent Substances 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 230000006978 adaptation Effects 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 7
- 239000011780 sodium chloride Substances 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a drainage system for farmland cultivation in a secondary salinization land in Yellow River irrigated areas in the technical field of drainage systems. The drainage system comprises a salinization land; water collecting pipes are uniformly and longitudinally formed in the body of the salinization land; the bottom of each water collecting pipe is connected with a connector; each of the left end and the right end of each connector is connected with an underground pipe; the right end of the underground pipe is connected with an open trench pipe; a sewage pump is arranged on the right side of the top of the open trench pipe; the left end of a water inlet of the sewage pump is connected with a filtering device through a water pipe, and the filtering device is positioned in the inner cavity of the open trench pipe; a water reservoir is arranged at the bottom of the right end of a water outlet pipe of the sewage pump; an adsorption device is arranged in the transverse direction of the inner cavity of the water reservoir; and the left end and the right end of the adsorption device are both connected with the inner wall of the water reservoir. The drainage system for the farmland cultivation in the secondary salinization land in the Yellow River irrigated areas reduces harmful salinity in soil, provides help for the growth of crops, and helps to ecological balance.
Description
Technical field
The present invention relates to drainage system technical field, a kind of draining of specially Yellow River irrigation secondary salinization of land cultivation in farmland
System.
Background technology
The drainage system of Yellow River irrigation secondary salinization of land cultivation in farmland, the geology for Yellow River irrigation and crops have larger
Impact, in secondary salinization of land soil contain substantial amounts of saline and alkaline, be harmful to the saline and alkaline growth for crops affect,
If discharged not in time, harmful saline and alkaline the growth of crops and result can be worked the mischief, need to design a kind of drainage system, example
If Chinese Patent Application No. is a kind of 201420579171.x bank-protection works unfavorable geology shallow underground drainage system, including up and down
Layering is arranged at domatic open fire drainage system and shallow underground drainage system, shallow underground drainage system and open fire drainage system
Shift to install, shallow underground drainage system includes multiple equally distributed french drains, described french drain pushes up low water platform in y from slope
Type is arranged, and open fire drainage system includes being interconnected and vertically disposed bright ditch and intercepting drain, and described intercepting drain is along water front direction
Be arranged at slope top, bright ditch be arranged at slope top and low water platform between domatic, domatic surface is disposed with anti-filter from bottom to up
Bed course and pavement structure, french drain is in encryption setting, and french drain section is in inverted trapezoidal, and french drain inner bottom surface and both sides are all equipped with nonwoven
Cloth, is backfilled with fist stone in french drain, this device does not have the equipment of conveying hydrops, we have proposed a kind of Yellow River irrigation for this secondary
The drainage system of salt-soda soil cultivation in farmland.
Content of the invention
It is an object of the invention to provide a kind of drainage system of Yellow River irrigation secondary salinization of land cultivation in farmland, on solving
State in the secondary salinization of land soil proposing in background technology containing substantial amounts of saline and alkaline, be harmful to the saline and alkaline growth for crops and cause
Certain impact, if discharged not in time, is harmful to the saline and alkaline problem that the growth of crops and result can be worked the mischief.
For achieving the above object, the present invention provides a kind of following technical scheme: Yellow River irrigation secondary salinization of land cultivation in farmland
Drainage system, including salt-soda soil, the body in described salt-soda soil uniformly longitudinally has collector pipe, and the bottom of described collector pipe connects
There is union joint, the left and right two ends of described union joint are respectively connected with hidden pipe, and the right-hand member of described hidden pipe is connected with bright sewer pipe, stated clearly ditch
The right side at pipe top is provided with sewage pump, and the left end of described sewage pump water inlet is connected with defecator by water pipe, and filters
Device is located at the inner chamber of bright sewer pipe, and the bottom of described sewage water pump outlet pipe right-hand member is provided with cistern, the inner chamber of described cistern
It is horizontally arranged with adsorbent equipment, and the left end of adsorbent equipment is all connected with the inwall of cistern with right-hand member, described cistern top
Right side be provided with water-delivery pump, the water inlet pipe of described water-delivery pump is connected with suction hose, and the bottom of suction hose is provided with bracing frame,
And the body of adsorbent equipment is run through in the bottom of suction hose.
Preferably, the outer wall of described collector pipe uniformly has gully-hole, and the right-hand member of described collector pipe is socketed with shock-absorbing sleeve.
Preferably, the inner chamber of described shock-absorbing sleeve is provided with inner sleeve, and one end of described collector pipe is plugged on inner sleeve and shock-absorbing sleeve
Between inner chamber in.
Preferably, the top of described union joint has inlet, and the inwall of described inlet has female thread, described catchments
The outer wall of pipe has the external screw thread being connected with female thread adaptation, and the left and right sides of described union joint all has discharge outlet.
Preferably, the left and right two ends of described hidden pipe are respectively connected with ring flange, and described ring flange passes through screw with discharge outlet even
Connect, the left and right two ends of described hidden pipe outer wall are provided with reinforcement gusset, and one end of described reinforcement gusset is connected with the side wall of ring flange
Connect.
Preferably, the left side wall of stated clearly sewer pipe has through hole, and through hole is connected with the right-hand member adaptation of hidden pipe.
Preferably, described defecator includes lid, and the bottom of described upper lid has the company being connected with water pipe bottom adaptation
Connect hole, the bottom of described upper lid is connected with bottom cover, and the inner chamber of described bottom cover is provided with filtration core, the right side wall setting of described bottom cover
There is inlet opening.
Preferably, the left and right two ends of described adsorbent equipment are provided with connecting plate, and connecting plate passes through screw and cistern
Left and right inwall connect, described adsorbent equipment includes spongy layer, and the bottom of described spongy layer is provided with activated carbon adsorption layer, described
The bottom of activated carbon adsorption layer is connected with supporting substrate.
Compared with prior art, the invention has the beneficial effects as follows: the draining of this Yellow River irrigation secondary salinization of land cultivation in farmland
The moisture content of the subsoil water in soil and salt-soda soil earth's surface is collected by system by collector pipe, and the salinity in moisture is collected,
Water after collection is converged by hidden pipe, and the water after convergence is flowed in bright sewer pipe by hidden pipe, the evaporation by sunlight for the bright sewer pipe,
Improve the salt content in water, bright sewer pipe gathers the water of convergence in cistern, drains the water in cistern by water pump,
The water inlet bottom of the tube of water pump connects defecator can be to impurity coarse filtration, and the water in cistern is through defecator and absorption dress
The filtration put and absorption, the impurity in water and the little harmful substance of suction are adsorbed, this Yellow River irrigation secondary salinization of land cultivation in farmland
Drainage system decreases the harmful saline and alkaline in soil, and the growth to crops provides help, contributes to ecological balance.
Brief description
Fig. 1 is present configuration schematic diagram；
Fig. 2 is collector pipe structural representation of the present invention；
Fig. 3 is shock-absorbing sleeve structural representation of the present invention；
Fig. 4 is union joint structural representation of the present invention；
Fig. 5 is hidden pipe structural representation of the present invention；
Fig. 6 is the present invention bright sewer pipe structural representation；
Fig. 7 is filter apparatus configuration schematic diagram of the present invention；
Fig. 8 is adsorbent equipment structural representation of the present invention.
In figure: 1 salt-soda soil, 2 collector pipes, 3 union joints, 4 hidden pipes, 5 bright sewer pipes, 6 sewage pumps, 7 defecators, 8 cisterns,
9 adsorbent equipments, 10 water-delivery pumps, 11 bracing frames, 12 gully-holes, 13 shock-absorbing sleeves, 14 inner sleeves, 15 discharge outlet, 16 inlets, 17 flanges
Disk, 18 strengthen gussets, 19 through holes, lid on 20,21 connecting holes, 22 bottom covers, 23 filtration core, 24 inlet openings, 25 spongy layers, 26 active
Charcoal adsorption layer, 27 supporting substrates, 28 connecting plates.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1-7, the present invention provides a kind of a kind of technical scheme: the row of Yellow River irrigation secondary salinization of land cultivation in farmland
Water system, including salt-soda soil 1, the body in described salt-soda soil 1 uniformly longitudinally has collector pipe 2, and the bottom of described collector pipe 2 connects
There is union joint 3, the left and right two ends of described union joint 3 are respectively connected with hidden pipe 4, and the right-hand member of described hidden pipe 4 is connected with bright sewer pipe 5, institute
The right side stating sewer pipe 5 top clearly is provided with sewage pump 6, and the left end of described sewage pump 6 water inlet is connected with filtration dress by water pipe
Put 7, and defecator 7 is located at the inner chamber of bright sewer pipe 5, the bottom of described sewage pump 6 outlet pipe right-hand member is provided with cistern 8, institute
The inner chamber stating cistern 8 is horizontally arranged with adsorbent equipment 9, and the left end of adsorbent equipment 9 is all connected with the inwall of cistern 8 with right-hand member
Connect, the right side at described cistern 8 top is provided with water-delivery pump 10, and the water inlet pipe of described water-delivery pump 10 is connected with suction hose, and inhale
The bottom of water pipe is provided with bracing frame 11, and the body of adsorbent equipment 9 is run through in the bottom of suction hose.
Wherein, the outer wall of described collector pipe 2 uniformly has gully-hole 12, and the right-hand member of described collector pipe 2 is socketed with shock-absorbing sleeve
13, the inner chamber of described shock-absorbing sleeve 13 is provided with inner sleeve 14, and one end of described collector pipe 2 is plugged between inner sleeve 14 and shock-absorbing sleeve 13
Inner chamber in, the top of described union joint 3 has inlet 16, and the inwall of described inlet 16 has female thread, described catchments
The outer wall of pipe 2 has the external screw thread being connected with female thread adaptation, and the left and right sides of described union joint 3 all has discharge outlet 15, institute
The left and right two ends stating hidden pipe 4 are respectively connected with ring flange 17, and described ring flange 17 is connected with discharge outlet 15 by screw, described hidden pipe
The left and right two ends of 4 outer walls are provided with reinforcement gusset 18, and described one end strengthening gusset 18 is connected with the side wall of ring flange 17, institute
The left side wall stating sewer pipe 5 clearly has through hole 19, and through hole 19 is connected with the right-hand member adaptation of hidden pipe 4, and described defecator 7 includes
Lid 20, the bottom of described upper lid 20 has the connecting hole 21 being connected with water pipe bottom adaptation, and the bottom of described upper lid 20 is connected with
Bottom cover 22, the inner chamber of described bottom cover 22 is provided with filtration core 23, and the right side wall of described bottom cover 22 is provided with inlet opening 24, described suction
The left and right two ends of adsorption device 9 are provided with connecting plate 28, and connecting plate 28 is connected with the left and right inwall of cistern 8 by screw,
Described adsorbent equipment 9 includes spongy layer 25, and the bottom of described spongy layer 25 is provided with activated carbon adsorption layer 26, and described activated carbon is inhaled
The bottom of attached layer 26 is connected with supporting substrate 27.
Operation principle: during use, collector pipe 2 passes through the gully-hole 12 of outer wall and the opening at top in the soil of salt-soda soil 1
It is collected with the water of earth's surface, shock-absorbing sleeve 13 avoids collector pipe 2 to be impacted and causes to damage, and is collected by collector pipe 2
Water enters hidden pipe 4, and the water in collector pipe 2 is collected by hidden pipe 4, flows in bright sewer pipe 5 by hidden pipe 4, bright sewer pipe 5 directly with
Extraneous contact, increases the volatilization of water, increases the salt alkali content in water, improves the efficiency of salt discharge alkali, sewage pump 6 is by bright sewer pipe 5
The water in chamber carries out extracting, is discharged in cistern 8, and defecator 7 is arranged on the bottom of sewage pump 6 water inlet pipe, defecator 7 interior
Chamber arranges filtration core 23, and filtration core 23 is replaceable, the right adsorbent equipment of inner chamber 9 of cistern 8, and adsorbent equipment 9 can adsorb water
In fine particle, the water in cistern 8 carries out absorption by water-delivery pump 10 and drains, and reaches the effect of draining.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and can carry out multiple changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (8)
1. the drainage system of a kind of Yellow River irrigation secondary salinization of land cultivation in farmland, including salt-soda soil (1) it is characterised in that: described
The body in salt-soda soil (1) uniformly longitudinally has collector pipe (2), and the bottom of described collector pipe (2) is connected with union joint (3), described
The left and right two ends of union joint (3) are respectively connected with hidden pipe (4), and the right-hand member of described hidden pipe (4) is connected with bright sewer pipe (5), stated clearly ditch
The right side at pipe (5) top is provided with sewage pump (6), and the left end of described sewage pump (6) water inlet is connected with filtration dress by water pipe
Put (7), and defecator (7) is located at the inner chamber of bright sewer pipe (5), the bottom of described sewage pump (6) outlet pipe right-hand member is provided with storage
Pond (8), the inner chamber of described cistern (8) is horizontally arranged with adsorbent equipment (9), and the left end of adsorbent equipment (9) is equal with right-hand member
It is connected with the inwall of cistern (8), the right side at described cistern (8) top is provided with water-delivery pump (10), described water-delivery pump (10)
Water inlet pipe be connected with suction hose, and the bottom of suction hose is provided with bracing frame (11), and absorption dress is run through in the bottom of suction hose
Put the body of (9).
2. a kind of Yellow River irrigation according to claim 1 secondary salinization of land cultivation in farmland drainage system it is characterised in that:
The outer wall of described collector pipe (2) uniformly has gully-hole (12), and the right-hand member of described collector pipe (2) is socketed with shock-absorbing sleeve (13).
3. a kind of Yellow River irrigation according to claim 1 secondary salinization of land cultivation in farmland drainage system it is characterised in that:
The inner chamber of described shock-absorbing sleeve (13) is provided with inner sleeve (14), and one end of described collector pipe (2) is plugged on inner sleeve (14) and shock-absorbing sleeve
(13) in the inner chamber between.
4. a kind of Yellow River irrigation according to claim 1 secondary salinization of land cultivation in farmland drainage system it is characterised in that:
The top of described union joint (3) has inlet (16), and the inwall of described inlet (16) has female thread, described collector pipe
(2) outer wall has the external screw thread being connected with female thread adaptation, and the left and right sides of described union joint (3) all has discharge outlet
(15).
5. a kind of Yellow River irrigation according to claim 1 secondary salinization of land cultivation in farmland drainage system it is characterised in that:
The left and right two ends of described hidden pipe (4) are respectively connected with ring flange (17), and described ring flange (17) passes through screw with discharge outlet (15) even
Connect, the left and right two ends of described hidden pipe (4) outer wall are provided with reinforcement gusset (18), described one end strengthening gusset (18) and flange
The side wall of disk (17) connects.
6. a kind of Yellow River irrigation according to claim 1 secondary salinization of land cultivation in farmland drainage system it is characterised in that:
The left side wall of stated clearly sewer pipe (5) has through hole (19), and through hole (19) is connected with the right-hand member adaptation of hidden pipe (4).
7. a kind of Yellow River irrigation according to claim 1 secondary salinization of land cultivation in farmland drainage system it is characterised in that:
(20) are covered, the bottom of described upper lid (20) has the connecting hole being connected with water pipe bottom adaptation in the inclusion of described defecator (7)
(21), the bottom of described upper lid (20) is connected with bottom cover (22), and the inner chamber of described bottom cover (22) is provided with filtration core (23), described
The right side wall at bottom cover (22) is provided with inlet opening (24).
8. a kind of Yellow River irrigation according to claim 1 secondary salinization of land cultivation in farmland drainage system it is characterised in that:
The left and right two ends of described adsorbent equipment (9) are provided with connecting plate (28), and connecting plate (28) passes through screw and cistern (8)
Left and right inwall connects, and described adsorbent equipment (9) includes spongy layer (25), and the bottom of described spongy layer (25) is provided with activated carbon and inhales
Attached layer (26), the bottom of described activated carbon adsorption layer (26) is connected with supporting substrate (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753865.4A CN106337402A (en) | 2016-08-29 | 2016-08-29 | Drainage system for farmland cultivation in secondary salinization land in Yellow River irrigated areas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753865.4A CN106337402A (en) | 2016-08-29 | 2016-08-29 | Drainage system for farmland cultivation in secondary salinization land in Yellow River irrigated areas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106337402A true CN106337402A (en) | 2017-01-18 |
Family
ID=57823177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610753865.4A Pending CN106337402A (en) | 2016-08-29 | 2016-08-29 | Drainage system for farmland cultivation in secondary salinization land in Yellow River irrigated areas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106337402A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1339194A1 (en) * | 1984-02-16 | 1987-09-23 | Научно-Исследовательский И Проектный Институт Генерального Плана Г.Москвы | Evacuated drainage system |
| NL8603031A (en) * | 1986-11-27 | 1988-06-16 | Marten Barel B V | Method for dewatering and/or draining of ground-surfaces and mud - uses centrifugal air-ventilator producing vacuum in drain pipe, and piston pump |
| CN101967812A (en) * | 2010-10-18 | 2011-02-09 | 唐山德生防水材料有限公司 | Dewatering installation of planting roof of horizontal underground garage |
| CN102919102A (en) * | 2012-11-19 | 2013-02-13 | 河海大学 | Irrigation and drainage integrated device suitable for underground high water level |
| CN204132102U (en) * | 2014-09-25 | 2015-02-04 | 山东胜伟园林科技有限公司 | A kind of saline land water saving irrigating, catchmenting utilizes self-circulation irrigation device |
| CN204741913U (en) * | 2015-06-30 | 2015-11-11 | 潍坊友容实业有限公司 | Saline soil reclamation planting technique and irrigation system |
-
2016
- 2016-08-29 CN CN201610753865.4A patent/CN106337402A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1339194A1 (en) * | 1984-02-16 | 1987-09-23 | Научно-Исследовательский И Проектный Институт Генерального Плана Г.Москвы | Evacuated drainage system |
| NL8603031A (en) * | 1986-11-27 | 1988-06-16 | Marten Barel B V | Method for dewatering and/or draining of ground-surfaces and mud - uses centrifugal air-ventilator producing vacuum in drain pipe, and piston pump |
| CN101967812A (en) * | 2010-10-18 | 2011-02-09 | 唐山德生防水材料有限公司 | Dewatering installation of planting roof of horizontal underground garage |
| CN102919102A (en) * | 2012-11-19 | 2013-02-13 | 河海大学 | Irrigation and drainage integrated device suitable for underground high water level |
| CN204132102U (en) * | 2014-09-25 | 2015-02-04 | 山东胜伟园林科技有限公司 | A kind of saline land water saving irrigating, catchmenting utilizes self-circulation irrigation device |
| CN204741913U (en) * | 2015-06-30 | 2015-11-11 | 潍坊友容实业有限公司 | Saline soil reclamation planting technique and irrigation system |
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| C06 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170118 |
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| RJ01 | Rejection of invention patent application after publication |