CN106320428A - Drainage system used for improving saline and alkaline land - Google Patents
Drainage system used for improving saline and alkaline land Download PDFInfo
- Publication number
- CN106320428A CN106320428A CN201610709904.0A CN201610709904A CN106320428A CN 106320428 A CN106320428 A CN 106320428A CN 201610709904 A CN201610709904 A CN 201610709904A CN 106320428 A CN106320428 A CN 106320428A
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- water
- pipe
- drainage system
- solar energy
- drain pipe
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a drainage system used for improving a saline and alkaline land and belongs to the technical field of water draining for improving lands. The drainage system comprises a water collection tank; a water suction pump is mounted at the bottom of the right side of the water collection tank; an irrigation pipe is mounted at the right side of the top of a water suction pipe; nozzles are mounted at the bottom of the irrigation pipe; a drainage pipe is mounted at the right side of an outer wall of the water suction pipe; concealed pipes are mounted at the bottom of the drainage pipe; a saline water drainage pipe is mounted at the bottoms of the drainage pipes. The drainage system provided by the invention is used for diluting salt and alkali content in soil by pre-embedding the concealed pipes underground through rainwater or an irrigation manner; the drainage system has the characteristics that salt and alkali are completely treated and the effect is remarkable; an alkali discharging system provided by the invention is laid through utilizing special mechanical equipment; the construction efficiency is high and the precision is accurate; one set of system has a plurality of functions is realized; after an underground freshwater layer is formed, the drainage system can also be used as a freshwater recharging system; the drainage system is low in cost and high in recycling rate.
Description
Technical field
The present invention relates to improve soil technical field of drainage, a kind of drainage system for improveing salt-soda soil.
Background technology
Saline Land problem and mankind's activity, particularly agricultural irrigation are closely related, and research shows, saline Land is not
But cause the massive losses of the destruction of resource, agricultural production, but also biosphere and ecological environment constituted certain threat,
Be mainly manifested in of both environment and economy endanger, the reason of saline Land be soil and underground saliferous too high, strongly
Surface evaporation effect under, underground shallow layer water is transported to earth's surface through hair gap and is evaporated, and hair gap is during the water delivery of earth's surface, also
Salinity in water is taken to earth's surface, and after water is evaporated, soil salt rises and accumulates in upper soll layer, salinity by hair gap effect
Being left in earth's surface and ground thin solum, accumulate over a long period and cause saline Land, current saline Land is administered and mostly is
The stone of 40-50CM paving 20CM below earth's surface, repaves wheat straw or Caulis et Folium Oryzae one layer, and top mulching plant soil, due to stone layer
Space is relatively big, can weaken hair gap effect of increasing, reduces soil water evaporation, very fast additionally, due to the evaporation of top layer moisture, tends to
Form dry cover layer on surface, cut off the hollow billet with underlying soil and contact, thus reduce the moisture evaporation of lower soil, salt
Divide and be unlikely to condense at upper soll layer, auxiliary upper soil soil removal and replacement simultaneously, make surface soil from saline and alkaline threat, reach plantation
The effect of some shallow rooted plants, tradition transforming salinization soil method cost is high, and efficiency is low, and effect is not notable, cures the symptoms, not the disease,
To this end, it is proposed that a kind of drainage system for improveing salt-soda soil.
Summary of the invention
It is an object of the invention to provide a kind of drainage system for improveing salt-soda soil, to solve in above-mentioned background technology
The traditional transforming salinization soil method cost proposed is high, and efficiency is low, and effect is not notable, the problem cured the symptoms, not the disease.
For achieving the above object, the present invention provides following technical scheme: a kind of drainage system for improveing salt-soda soil, bag
Including water collect tank, the top right side of described water collect tank is provided with inspection shaft, and the right side of described water collect tank is provided with water level detector, institute
The bottom right side stating water collect tank is provided with suction pump, and the top of described suction pump is provided with drinking-water pipe, the top of described drinking-water pipe
Right side is provided with irrigation pipe, and the bottom of described irrigation pipe is provided with shower nozzle, and the left side of described suction pump is provided with pumping circuit pump
Pipeline, the left side of described pumping circuit pump pipeline is provided with solar storage battery, the top left side peace of described solar storage battery
Equipped with controller, the left bottom of described solar storage battery is provided with solar energy electrical conduits, described solar energy electrical conduits
Left side solar energy support bar is installed, the top of described solar energy support bar is provided with solar energy electroplax, described drinking-water pipe
Drain pipe is installed on the right side of outer wall, and the left side walk-through test well of described drain pipe extend to the outside of inspection shaft, described row
The top left side of water pipe is provided with water speed modulator, and described water speed modulator is positioned at the inner chamber of inspection shaft, described drain pipe and inspection
The junction looking into well is provided with converting interface, and the bottom of described drain pipe is provided with hidden pipe, and the bottom of described hidden pipe is provided with saline
Drain pipe, described controller respectively with solar storage battery, water level detector, suction pump, solar energy electroplax and water speed modulator
It is electrically connected with.
Preferably, the junction of described drain pipe and hidden pipe is provided with tee T.
Preferably, the top of described drain pipe offers through hole.
Preferably, the outer wall of described drain pipe is enclosed with filter cloth.
Preferably, the top of described solar energy support bar is provided with fixed screw, the inner chamber top of described solar energy support bar
Portion is plugged with electric rotation shaft, and described electric rotation shaft is provided with solar energy base, and the top of described solar energy base is provided with too
Sun energy electroplax, the left and right sides, top of described solar energy electroplax is mounted on photoelectric sensor, and described controller is respectively with electronic
Rotating shaft and photoelectric sensor are electrically connected with.
Preferably, the inner chamber of described water collect tank is provided with overcoat.
Preferably, the top of described inspection shaft is provided with manhole cover.
Preferably, described water level detector is three groups, and described in three groups, water level detector structure is identical.
Preferably, the top of described inspection shaft exceeds ground 20-30CM.
Preferably, described drain pipe is pvc pipe.
Compared with prior art, the invention has the beneficial effects as follows: the drainage system of the present invention be belonging to underground preburied secretly
Salt alkali content within soil is diluted by the way of rainwater or irrigation by pipe, the present invention have control saline and alkaline thoroughly, effect
Really outstanding feature, hidden pipe salt discharge alkali is the saline and alkaline measure of horizontal row, by rainfall or irrigate moisture penetration enters soil, drip washing
Salinity in soil so that Soil Desalting, along with Soil Desalting degree increases, fresh water penetrates into, under the fresh water that oozes just original
On the subsoil water of high salinity, superposition forms fresh water aquifer, and saline-alkali water is expressed to hidden pipe and discharges by fresh water, the row alkali system of the present invention
System utilizes special plant equipment to lay, and efficiency of construction is high, and precision is accurate, and construction quality is all that artificial construction is incomparable
, owing to the pipeline of drainage system uses PVC punching corrugated tube, outsourcing filter cloth can effectively filter soil and moisture is entered water
Pipe, then discharged by hidden pipe, filter cloth also prevent the blocking of water pipe simultaneously, and the service life of PVC pipeline is up to more than 50 years,
To constantly play a role for a long time, the present invention is set of system multiple use, this drainage system after underground freshwater aquifers is formed
It is alternatively arranged as fresh water recharge system, is beneficial to Soil conservation moisture, also fertilizer can be dissolved in water pipe simultaneously, directly send to plant roots
Portion, input cost of the present invention is the highest, and effect is notable, has good ecological significance.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is drain structure schematic diagram of the present invention；
Fig. 3 is drain pipe side view of the present invention；
Fig. 4 is solar-electricity plate structure schematic diagram of the present invention.
In figure: 1 water collect tank, 2 inspection shafts, 3 water level detectors, 4 suction pumps, 5 drinking-water pipes, 6 irrigation pipes, 7 shower nozzles, 8 draw water
Pump circuit pipeline, 9 solar storage batteries, 10 solar energy electrical conduits, 11 solar energy support bars, 111 fixed screws, 112 electronic
Rotating shaft, 113 solar energy bases, 12 solar energy electroplaxs, 121 photoelectric sensors, 13 water speed modulators, 14 converting interfaces, 15 drain pipies,
151 filter clothes, 152 tee Ts, 153 through holes, 16 hidden pipes, 17 saline drain pipies, 18 controllers.
Detailed description of the invention
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
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1-4, the present invention provides a kind of technical scheme: a kind of drainage system for improveing salt-soda soil, including
Water collect tank 1, the top right side of described water collect tank 1 is provided with inspection shaft 2, and the right side of described water collect tank 1 is provided with water level detector
3, the bottom right side of described water collect tank 1 is provided with suction pump 4, and the top of described suction pump 4 is provided with drinking-water pipe 5, described in draw water
The top right side of pipe 5 is provided with irrigation pipe 6, and the bottom of described irrigation pipe 6 is provided with shower nozzle 7, and the left side of described suction pump 4 is installed
There are pumping circuit pump pipeline 8, the left side of described pumping circuit pump pipeline 8 that solar storage battery 9, described solar energy power accumulating are installed
The top left side in pond 9 is provided with controller 18, and the left bottom of described solar storage battery 9 is provided with solar energy electrical conduits
10, the left side of described solar energy electrical conduits 10 is provided with solar energy support bar 11, the top peace of described solar energy support bar 11
Equipped with solar energy electroplax 12, drain pipe 15 is installed on the right side of the outer wall of described drinking-water pipe 5, and the left side of described drain pipe 15 is run through
Inspection shaft 2 also extends to the outside of inspection shaft 2, and the top left side of described drain pipe 15 is provided with water speed modulator 13, described water
Speed modulator 13 is positioned at the inner chamber of inspection shaft 2, and described drain pipe 15 is provided with converting interface 14 with the junction of inspection shaft 2, described
The bottom of drain pipe 15 is provided with hidden pipe 16, and the bottom of described hidden pipe 16 is provided with saline drain pipe 17, described controller 18 points
It is not electrically connected with solar storage battery 9, water level detector 3, suction pump 4, solar energy electroplax 12 and water speed modulator 13.
Wherein, the junction of described drain pipe 15 and hidden pipe 16 is provided with tee T 152, tee T 152 is used for changing stream
Body direction, can be used for hydraulic pipeline, pipeline road and various fluid chemical material delivery tubes road, and the setting of tee T 152 makes
The connection of drain pipe 15 and hidden pipe 16 is more harmonious, the most preferably makes saline-alkali water pass through drain pipe 15 simultaneously and flows into hidden pipe 16,
The top of described drain pipe 15 offers through hole 153, the setting of described through hole 153 make the soil on drain pipe 15 top internal because of
Drain pipe 15 inside can be penetrated into for raining or irrigating the water-reducible saline-alkali water of rain, and then be flowed out by hidden pipe 16, described draining
The outer wall of pipe 15 is enclosed with filter cloth 151, and arranging of filter cloth 151 effectively makes the water-reducible saline-alkali water of rain by filter cloth 151
Filtration makes earth impermeable internal to drain pipe 15, is effectively guaranteed the long-term work of drain pipe 15, described solar energy
The top of support bar 11 is provided with fixed screw 111, and the inner cavity top of described solar energy support bar 11 is plugged with electric rotation shaft
112, described electric rotation shaft 112 is provided with solar energy base 113, the top of described solar energy base 113 is provided with solar energy
Electroplax 12, the left and right sides, top of described solar energy electroplax 12 is mounted on photoelectric sensor 121, described controller 18 respectively with
Electric rotation shaft 112 and photoelectric sensor 121 are electrically connected with, photoelectric sensor 121 energy of the left and right sides, solar energy electroplax 12 top
The effective intensity sensing sunlight, when sunlight strength is the biggest when, photoelectric sensor 121 can send signal by controlling
Device 18 makes electric rotation shaft 112 rotate, and drives the rotation of solar energy base 113 that solar energy electroplax 12 is always shone towards sunlight
The one side penetrated, electric rotation shaft 112 is fixed on solar energy support bar 11 by fixed screw 111, and the inner chamber of described water collect tank 1 sets
Being equipped with overcoat, the setting of overcoat makes the inside of water collect tank 1 avoid corrosion and chemical change, effectively increases water collect tank
In the service life of 1, reducing maintenance cost, the top of described inspection shaft 2 is provided with manhole cover, arranging effectively of manhole cover
Ensure that within inspection shaft 2 clean, offer air-vent on manhole cover, it is ensured that the air within water collect tank 1 simultaneously
Flowing, the arranging of manhole cover facilitates maintainer to enter inspection shaft 2 equipment needs repairing when to keep in repair apparatus, described water
Position detector 3 is three groups, and described in three groups, water level detector 3 structure is identical, three groups of water level detectors 3 arrange can be real-time prison
Survey the change of water collect tank 1 water level inside, the when that water collect tank 1 water level inside being higher than the water level detector 3 being positioned at the top, water level
Detector 3 can send signal, by controller 18, suction pump 4 is powered by solar storage battery 9 so that suction pump 4 operates,
Draw water to water collect tank 1 is internal so that ground is effectively irrigated by the water within water collect tank 1, the top of described inspection shaft 2
Portion exceeds ground 20-30CM, and it is for more convenient safe installation check well 2 that the top of inspection shaft 2 exceedes ground 20-30CM,
The most also keep in repair when drainage system breaks down for maintainer and provide conveniently, be effectively guaranteed inspection shaft 2 internal
The operation of drainage system, described drain pipe 15 is pvc pipe, and PVC pipeline resistance to corrosion is strong, be prone to bonding, price is low, quality is hard
Hard PVC pipe effectively makes the robustness of underdrainage system as the material of drain pipe 15, strengthens the use of drainage system
The time limit.
Operation principle: rainwater flows into internal saline and alkaline of earth dilution soil when rainy day when so that saline-alkali water inflow
Drain pipe 15 flows into the saline and alkaline water treating pond set again by hidden pipe 16, by being arranged on water collect tank when not having rainwater when
Water level detector 3 within 1 monitors the water level conditions within water collect tank 1, and once water level is higher than the highest water level detector 3
Time, prevent level of ground water too high, water level detector 3 sends signal to controller 18, and controller 18 controls solar energy power accumulating
Pond 9 to by pumping circuit pump pipeline 8 to suction pump 4 power transmission so that suction pump 4 operates the water within water collect tank 1 by taking out
Water pipe 5 is transported to be positioned at the irrigation pipe 6 of drinking-water pipe 5 top right side, water inside irrigation pipe 6 by being positioned at bottom irrigation pipe 6
Ground is realized irrigating by shower nozzle 7, and the water of irrigation flows into inside soil, because soil is alkaline land soil, internal containing substantial amounts of
Water solublity is saline and alkaline, and saline-alkali water flows into underground, delivers water in drain pipe 15 by covering the filter cloth 151 on drain pipe 15
Portion, the more saline and alkaline water treating pond set is flowed into by hidden pipe 16, solar energy electroplax 12 effectively converts light energy into electricity simultaneously
Solar storage battery 9 can be stored in internal, thus power for a whole set of drainage system.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (10)
1. for improveing the drainage system in salt-soda soil, including water collect tank (1), it is characterised in that: the top of described water collect tank (1)
Being provided with inspection shaft (2) on the right side of portion, the right side of described water collect tank (1) is provided with water level detector (3), described water collect tank (1)
Bottom right side is provided with suction pump (4), and the top of described suction pump (4) is provided with drinking-water pipe (5), the top of described drinking-water pipe (5)
Being provided with irrigation pipe (6) on the right side of portion, the bottom of described irrigation pipe (6) is provided with shower nozzle (7), the left side peace of described suction pump (4)
Equipped with pumping circuit pump pipeline (8), the left side of described pumping circuit pump pipeline (8) is provided with solar storage battery (9), described too
The top left side of sun energy storage device (9) is provided with controller (18), and the left bottom of described solar storage battery (9) is provided with too
Sun energy electrical conduits (10), the left side of described solar energy electrical conduits (10) is provided with solar energy support bar (11), the described sun
The top of energy support bar (11) is provided with solar energy electroplax (12), is provided with drain pipe on the right side of the outer wall of described drinking-water pipe (5)
, and left side walk-through test well (2) of described drain pipe (15) extend to the outside of inspection shaft (2), described drain pipe (15)
(15) top left side is provided with water speed modulator (13), and described water speed modulator (13) is positioned at the inner chamber of inspection shaft (2), described
Drain pipe (15) is provided with converting interface (14) with the junction of inspection shaft (2), and the bottom of described drain pipe (15) is provided with hidden pipe
(16), the bottom of described hidden pipe (16) is provided with saline drain pipe (17), described controller (18) respectively with solar storage battery
(9), water level detector (3), suction pump (4), solar energy electroplax (12) and water speed modulator (13) are electrically connected with.
A kind of drainage system for improveing salt-soda soil the most according to claim 1, it is characterised in that: described drain pipe
And the junction of hidden pipe (16) is provided with tee T (152) (15).
A kind of drainage system for improveing salt-soda soil the most according to claim 1, it is characterised in that: described drain pipe
(15) top offers through hole (153).
A kind of drainage system for improveing salt-soda soil the most according to claim 1, it is characterised in that: described drain pipe
(15) outer wall is enclosed with filter cloth (151).
A kind of drainage system for improveing salt-soda soil the most according to claim 1, it is characterised in that: described solar energy props up
The top of strut (11) is provided with fixed screw (111), and the inner cavity top of described solar energy support bar (11) is plugged with electric rotating
Axle (112), described electric rotation shaft (112) is provided with solar energy base (113), the top peace of described solar energy base (113)
Equipped with solar energy electroplax (12), the left and right sides, top of described solar energy electroplax (12) is mounted on photoelectric sensor (121), institute
State controller (18) to be electrically connected with electric rotation shaft (112) and photoelectric sensor (121) respectively.
A kind of drainage system for improveing salt-soda soil the most according to claim 1, it is characterised in that: described water collect tank
(1) inner chamber is provided with overcoat.
A kind of drainage system for improveing salt-soda soil the most according to claim 1, it is characterised in that: described inspection shaft
(2) top is provided with manhole cover.
A kind of drainage system for improveing salt-soda soil the most according to claim 1, it is characterised in that: described water level inspection
Device (3) is three groups, and described in three groups, water level detector (3) structure is identical.
A kind of drainage system for improveing salt-soda soil the most according to claim 1, it is characterised in that: described inspection shaft
(2) top exceeds ground 20-30CM.
A kind of drainage system for improveing salt-soda soil the most according to claim 1, it is characterised in that: described drain pipe
(15) it is pvc pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610709904.0A CN106320428A (en) | 2016-08-24 | 2016-08-24 | Drainage system used for improving saline and alkaline land |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610709904.0A CN106320428A (en) | 2016-08-24 | 2016-08-24 | Drainage system used for improving saline and alkaline land |
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| Publication Number | Publication Date |
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| CN106320428A true CN106320428A (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610709904.0A Pending CN106320428A (en) | 2016-08-24 | 2016-08-24 | Drainage system used for improving saline and alkaline land |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700461A (en) * | 2017-07-19 | 2018-02-16 | 江苏鑫泰岩土科技有限公司 | A kind of alkaline land improving system |
| CN111254991A (en) * | 2020-03-18 | 2020-06-09 | 上海市城市建设设计研究总院（集团）有限公司 | Freezing damage protection system for tramcar roadbed in frozen soil area and use method thereof |
| CN111733928A (en) * | 2020-07-02 | 2020-10-02 | 李金良 | Construction method for transforming salinized land in seawater reverse flow region |
| CN111894075A (en) * | 2020-07-16 | 2020-11-06 | 东莞市建安集团有限公司 | Environment-friendly energy-saving building water supply and drainage system |
| CN112106474A (en) * | 2020-08-31 | 2020-12-22 | 青岛九天智慧农业集团有限公司 | Method for treating saline-alkali soil by combining engineering and chemical improvement on coastal saline-alkali soil |
| CN113767723A (en) * | 2021-09-10 | 2021-12-10 | 中国农业科学院农田灌溉研究所 | Saline-alkali soil salinity leaching negative-pressure concealed pipe drainage system and method |
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| CN201630045U (en) * | 2010-04-13 | 2010-11-17 | 启东建筑集团山水园林建设有限公司 | Saline-alkali soil landscaping water-soil improvement facility |
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| CN204304892U (en) * | 2014-12-10 | 2015-04-29 | 西宁意格知识产权咨询服务有限公司 | A kind of solar energy greenhouse booth |
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| CN105230167A (en) * | 2015-10-12 | 2016-01-13 | 潍坊友容实业有限公司 | System for improving coastal severe saline-alkali soil and constructing vegetation |
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| JPH11124897A (en) * | 1997-10-20 | 1999-05-11 | Kubota Corp | Suction water tank for pump |
| CN201630045U (en) * | 2010-04-13 | 2010-11-17 | 启东建筑集团山水园林建设有限公司 | Saline-alkali soil landscaping water-soil improvement facility |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700461A (en) * | 2017-07-19 | 2018-02-16 | 江苏鑫泰岩土科技有限公司 | A kind of alkaline land improving system |
| CN107700461B (en) * | 2017-07-19 | 2023-09-15 | 江苏鑫泰岩土科技有限公司 | Saline-alkali soil improvement system |
| CN111254991A (en) * | 2020-03-18 | 2020-06-09 | 上海市城市建设设计研究总院（集团）有限公司 | Freezing damage protection system for tramcar roadbed in frozen soil area and use method thereof |
| CN111733928A (en) * | 2020-07-02 | 2020-10-02 | 李金良 | Construction method for transforming salinized land in seawater reverse flow region |
| CN111894075A (en) * | 2020-07-16 | 2020-11-06 | 东莞市建安集团有限公司 | Environment-friendly energy-saving building water supply and drainage system |
| CN112106474A (en) * | 2020-08-31 | 2020-12-22 | 青岛九天智慧农业集团有限公司 | Method for treating saline-alkali soil by combining engineering and chemical improvement on coastal saline-alkali soil |
| CN113767723A (en) * | 2021-09-10 | 2021-12-10 | 中国农业科学院农田灌溉研究所 | Saline-alkali soil salinity leaching negative-pressure concealed pipe drainage system and method |
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