CN209853804U - Saline and alkaline land distributed saline pumping-to-fresh water draining-irrigating coupling improvement system - Google Patents
Saline and alkaline land distributed saline pumping-to-fresh water draining-irrigating coupling improvement system Download PDFInfo
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- CN209853804U CN209853804U CN201920609676.9U CN201920609676U CN209853804U CN 209853804 U CN209853804 U CN 209853804U CN 201920609676 U CN201920609676 U CN 201920609676U CN 209853804 U CN209853804 U CN 209853804U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
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Abstract
The utility model relates to a saline-alkali soil distributed saline-alkali soil desalination, irrigation and drainage coupling improvement system, which comprises a management room, an energy power subsystem, a salt drainage concealed pipe, a saline water regulation horizontal well and a saline water regulation vertical well which are sequentially communicated, wherein a drainage submersible pump is arranged in the saline water regulation vertical well; the membrane desalination device comprises a membrane desalination device and a fresh water/brackish water adjusting well, wherein the fresh water/brackish water adjusting well is communicated with a water outlet of the membrane desalination device through a fresh water/brackish water outlet pipe, a water inlet of the membrane desalination device is communicated with a drainage submersible pump through a salt water inlet pipe, and a reverse osmosis strong brine outlet of the membrane desalination device is communicated with a strong brine pipe extending to a drainage ditch. The utility model discloses can realize taking out the salt under different groundwater mineralization degree, temperature and water level condition and change light, the brackish water is irrigated, the frozen problem of irrigating the difficulty of coastal saline and alkaline land fresh water resource lack, the salt water freezes winter has been solved to the low carbon high efficiency to the switching of functions such as direct drainage, has realized the groundwater resourceization for the saline and alkaline land improvement.
Description
Technical Field
The utility model relates to a saline and alkaline land improvement technical field especially involves a saline and alkaline land distributing type takes out the salt and changes fresh water drainage and irrigation coupling improvement system.
Background
The experiences of development, treatment and utilization of saline-alkali soil for hundreds of years at home and abroad show that irrigation and salt washing are the most effective measures for treating the saline-alkali soil. The irrigation salt washing is to wash the soil by using a large amount of fresh water/brackish water according to the natural law that salt comes with water and salt goes with water, so as to take away the salt in the soil, thereby improving the saline soil. Therefore, abundant fresh water resources are the basis and guarantee for improvement and utilization of saline-alkali soil, and the shortage of fresh water resources is often the biggest restriction factor for development of salinization areas. In areas with shortage of fresh water, people develop brackish water irrigation, salt water icing irrigation and salt-water rotation irrigation technologies, which are beneficial to soil desalination to a certain extent, but the problem of shortage of fresh water resources in crop irrigation is not fundamentally solved.
Meanwhile, the saline water occupies the shallow soil space of the salinized area, and if the drainage way is not smooth, the salinity can only be increased more and more after long-term idle. The vertical alternate action of underground water can be accelerated by scientifically developing and utilizing the salt water, the balance state of the underground water in the salt water area is broken, the underground water level of the salt water area is regulated, and the soil salt is promoted to move to the lower part and the outside. The rapid development and application of the concealed pipe drainage technology makes the collection and integration of farmland underground water possible, and the prior concealed pipe collected water is completely used for drainage, so that the recharge utilization technology is lacked.
The reverse osmosis desalination technology is to filter and properly desalinate the salt water through a reverse osmosis membrane (RO), wherein the water with proper salinity meeting the irrigation and salt washing requirements is set to pass through the reverse osmosis membrane, and the rest water which cannot pass through the reverse osmosis membrane is called reverse osmosis strong brine. The traditional seawater desalination device used in coastal areas has large power consumption, the energy cost accounts for 30% -50% of the production cost, is mostly used for domestic water of local people, and is rarely popularized and applied in agriculture.
Disclosure of Invention
The utility model provides a saline-alkali land distributed salt pumping-fresh irrigation and drainage coupling improvement system aiming at the defects of the prior art, which can be used for developing salt water or brackish water irrigation when the water quality is proper according to seasonal changes of the underground salt water quality of coastal farmland, and can also be used for extracting the underground salt water to the ground surface in winter to develop salt water icing irrigation and comprehensively accelerate the salt washing process; in addition, by utilizing mature desalination technology, external drainage salt water is subjected to appropriate low-cost desalination and desalination, so that desalination recharge is carried out according to brackish water irrigation requirements, and the method has great significance for vast coastal saline-alkali land areas with extremely-short fresh water resources. And abundant solar energy and wind energy resources in coastal areas and mature wind, light and electricity integrated low-cost new energy technology can be utilized, so that the saline water is suitable for desalting and recharging to wash salt on site, and the method has wide application prospect.
The utility model is realized by the following technical scheme, the utility model provides a saline-alkali soil distributed salt pumping, desalination, irrigation and drainage coupling improvement system, which comprises a management room, an energy power subsystem, a salt drainage concealed pipe, a salt water adjusting horizontal well and a salt water adjusting vertical well which are sequentially communicated, wherein a drainage submersible pump is arranged in the salt water adjusting vertical well; still include membrane desalination device, and with the fresh water/brackish water regulation well that fresh water/brackish water outlet pipe intercommunication is passed through to membrane desalination device's delivery port, and membrane desalination device's water inlet passes through the salt water oral siphon and the export intercommunication of drainage immersible pump, and membrane desalination device's reverse osmosis strong brine export intercommunication extends the strong brine pipe in escape canal, be equipped with the irrigation immersible pump with irrigation pipe intercommunication in the fresh water/brackish water regulation well.
According to the scheme, the salt-removing concealed pipe is arranged, so that field underground water can be sucked, the vertical alternation of the underground water is accelerated, the migration of soil salt to the lower part is promoted, and the fundamental improvement is realized; underground water collected by the salt discharge concealed pipe enters a salt water adjusting transverse well for temporary storage so as to ensure the continuity of water discharge; underground water can be pumped into the membrane desalination device through the salt water inlet pipe by a drainage submersible pump arranged in the salt water adjusting vertical shaft; by arranging the salt water adjusting vertical shaft, workers can conveniently go into the well for inspection and maintenance, meanwhile, installation of a salt water inlet pipe is facilitated, the temporary storage amount of underground salt water can be increased, and the drainage requirement is met; the membrane desalination device can adopt the prior art, and utilizes the characteristic that a permeable membrane allows water to permeate under pressure to retain salt and impurities to desalinate underground water into fresh water/brackish water suitable for crops to utilize or wash salt; the brackish water/fresh water desalted by the membrane desalting device flows into the fresh water/brackish water regulating well through the fresh water/brackish water outlet pipe and is stored in the well, when in irrigation, an irrigation submersible pump in the fresh water/brackish water regulating well can pump the fresh water/brackish water into an irrigation water pipe and can be used for irrigating crops and irrigating water and washing salt, and the residual reverse osmosis strong brine is discharged through a strong brine pipe to prevent the crops from being damaged; the scheme integrates drainage and irrigation, realizes underground saline water reclamation and water resource recycling by changing the saline water pumping into the fresh water recharging, and fundamentally solves the problem of lack of fresh water resources.
As optimization, the saline water inlet pipe is communicated with the irrigation water pipe through a brackish water direct irrigation water pipe, and an irrigation electromagnetic valve is installed on the brackish water direct irrigation water pipe. The optimized scheme has the advantages that the brackish water direct irrigation water pipe is arranged, brackish water irrigation can be carried out in the allowable period of underground water quality, and brackish water recycling is realized; if in the area that the condition allows, still can combine to utilize winter cold climate resource, carry out the salt water and freeze and irrigate the desalination, solved salt water and freeze and irrigate salt water resource source problem to and the unable problem that uses of desalination device under the low temperature situation, through setting up the irrigation solenoid valve, conveniently control the break-make of brackish water direct irrigation water pipe.
As optimization, the saline water inlet pipe is communicated with a water inlet of the membrane desalination device through a three-way electromagnetic valve, and the other opening of the three-way electromagnetic valve is communicated with the strong brine pipe through a saline water direct discharge pipe. This optimization scheme is through setting up the straight tub pipe of salt water and tee bend solenoid valve, and the flow direction of adjustable salt water oral siphon internal water lets in membrane desalination device with groundwater under the condition that fresh water/brackish water lack and need irrigate or wash the salt, lets in the straight tub pipe of salt water with groundwater and carries out directly discharging under the condition that fresh water/brackish water is sufficient and need the drainage.
As the optimization, still including installing the controller in managing the room, the controller with irrigate immersible pump, drainage immersible pump and irrigate solenoid valve electric connection. According to the optimization scheme, the controller is arranged in the management room, so that the operation and the maintenance of workers are facilitated, and a relatively safe and stable space is provided for the operators; the controller is an information collecting, transmitting and master control center of the system, can collect and display the power information collected by the wind-solar complementary controller, and can also control the electromagnetic valves arranged on the pipelines; an operator can directly control the submersible pump and the electromagnetic valves on the pipelines through operating the controller so as to realize the switching of the functions of desalting by pumping, directly discharging underground water, directly discharging brackish water and the like; the controller may be programmed to simplify the operation steps and enable a one-touch operation.
Preferably, the energy power subsystem comprises a wind-solar hybrid controller installed in a management room, and a wind generating set, a solar generating set and a storage battery set which are electrically connected with the wind-solar hybrid controller, and the wind-solar hybrid controller is electrically connected with the controller. According to the optimization scheme, the wind and light states are transmitted to the controller through the wind-solar hybrid controller, automatic switching among power supplies of the wind generating set, the solar generating set and the storage battery pack can be achieved according to set parameters, the residual capacity state of the storage battery and the discharge protection mode of the voltage of the storage battery can be checked, the circuit protection function is achieved, the safe and continuous operation of the system is guaranteed, and low-carbon and efficient operation of the system is achieved.
Preferably, the fresh water/brackish water outlet pipe extends to the top of the side wall of the fresh water/brackish water adjusting well, and the irrigation submersible pump is installed at the bottom of the fresh water/brackish water adjusting well. The volume utilization ratio of the fresh water/brackish water adjusting well is improved by the arrangement of the optimized scheme, water in the fresh water/brackish water adjusting well is conveniently pumped out, and residues are reduced.
Preferably, the membrane desalination device is installed in a management room. According to the optimization scheme, the membrane desalination device is installed in the management room, the use influence of the external environment on the membrane desalination device is reduced, and a safe environment is provided for maintenance personnel.
As optimization, the horizontal well of salt water regulation is the horizontal well of 15 ~ 17m long PE ripple, and its internal diameter is 1000 ~ 1200mm, and the top of horizontal well of salt water regulation is 2.5 ~ 3m away from ground buried depth.
The length of the salt water adjusting vertical shaft is 3.5 ~ 4m, and the inner diameter of the salt water adjusting vertical shaft is 1000 mm.
The use method of the saline-alkali land distributed saline-pumping, light-changing, draining and irrigating coupling improvement system comprises the following steps:
a. when the temperature of underground water is higher than 5 ℃, the drainage submersible pump is started through the controller, the irrigation electromagnetic valve is closed at the same time, the three-way electromagnetic valve is adjusted to a state that a salt water inlet pipe is communicated with the membrane desalination device, water is collected through a salt discharge concealed pipe buried under field soil at the moment, underground water enters the membrane desalination device through the salt water inlet pipe for desalination, desalinated fresh water/brackish water enters a fresh water/brackish water adjustment well through a fresh water/brackish water outlet pipe, residual reverse osmosis strong brine is discharged to a drainage ditch through a strong brine pipe, the irrigation submersible pump is started through the controller, and the fresh water/brackish water is pumped into an irrigation water pipe for irrigation or salt washing;
b. if the salinity of the underground water meets the requirement of brackish water irrigation, the drainage submersible pump is started through the controller, the irrigation electromagnetic valve is started, the three-way electromagnetic valve is adjusted to be in a closed state, water is collected into the pipe through the water seepage holes in the salt drainage concealed pipe, the underground water enters the brackish water direct irrigation pipe through the saline water inlet pipe and then flows into the irrigation water pipe for irrigation;
c. when the temperature meets the requirement of freezing irrigation of the salt water in winter, the drainage submersible pump is started through the controller, the irrigation electromagnetic valve is started, the three-way electromagnetic valve is adjusted to be in a closed state, water is collected into the pipe through the water seepage holes in the salt drainage concealed pipe, underground water enters the brackish water direct irrigation pipe through the salt water inlet pipe and then flows into the irrigation pipe for freezing irrigation of the salt water;
d. if the groundwater level is higher and when needing to carry out the drainage operation, then open the drainage immersible pump through the controller, close the irrigation solenoid valve, adjust tee bend solenoid valve to salt water oral siphon and salt water direct drainage pipe intercommunication state, collect water to intraductal infiltration hole through on the salt discharge hidden pipe this moment, groundwater directly flows into the escape canal after salt water oral siphon gets into salt water direct drainage pipe and discharges.
The method can select the operations of saline water pumping to be changed into light, brackish water irrigation, salt water icing irrigation and direct drainage according to the difference of the salinity, the water temperature and the water level of the underground water, and realizes the comprehensive development and utilization of the system on the light energy resource, the wind energy resource, the cold resource and the salt water resource of the saline-alkali soil and the annual continuous improvement of the saline-alkali soil resource.
The utility model has the advantages that: the system integrates a water irrigation and salt washing technology, a reverse osmosis membrane technology, a drainage and irrigation coupling technology, a brackish water irrigation technology, a salt water icing irrigation technology, a wind power and solar power generation technology, a water and electricity intelligent double control technology and an underground pipe well water storage technology, realizes the switching of functions of pumping saline water to fresh water, brackish water irrigation, salt water icing irrigation, direct drainage and the like under the conditions of different underground water salinity, water temperature and water level, solves the problems of lack of fresh water resources of coastal saline-alkali lands and difficulty in salt water icing irrigation in winter with low carbon and high efficiency, realizes the reclamation of underground salt water, and accelerates the improvement of the saline-alkali lands; the system has small occupied area, fully utilizes regional wind energy and solar energy, can automatically monitor and count the power consumption, is convenient to manage, promotes the continuous improvement of the saline-alkali soil, realizes the annual low-carbon high-efficiency salt pumping and desalination, and is very suitable for the improvement, popularization and application of the saline-alkali soil in coastal areas.
Drawings
FIG. 1 is a schematic structural view of the present invention;
shown in the figure:
1. the system comprises a management room, 2, a salt discharge concealed conduit, 3, a salt water regulation horizontal well, 4, a salt water regulation vertical well, 5, a salt water inlet pipe, 6, a membrane desalination device, 7, a fresh water/brackish water outlet pipe, 8, a fresh water/brackish water regulation well, 9, an irrigation water pipe, 10, a drainage ditch, 11, a strong brine pipe, 12, a drainage submersible pump, 13, an irrigation submersible pump, 14, a salt water direct drainage pipe, 15, a brackish water direct irrigation water pipe, 16, a controller, 17, a wind-light complementary controller, 18, a wind generating set, 19, a solar generating set, 20 and a storage battery set.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1, the distributed saline-alkali soil pumping, desalting, draining and irrigating coupling improvement system comprises a management room 1, an energy power subsystem, a salt discharging concealed pipe 2, a salt water adjusting transverse well 3 and a salt water adjusting vertical well 4 which are sequentially communicated, wherein a water discharging submersible pump 12 is arranged at the bottom of the salt water adjusting vertical well 4, the salt discharging concealed pipe 2 is not lower than the bottom of the salt water adjusting transverse well 3, and the bottom of the salt water adjusting vertical well 4 is lower than the bottom of the salt water adjusting transverse well 3. concretely, the salt water adjusting transverse well is a PE corrugated transverse well 15 ~ 17m long in length, the inner diameter of the PE corrugated transverse well is 1000 ~ 1200mm and is transversely buried underground, the top of the salt water adjusting transverse well is 2.5 ~ 3m away from the salt ground, the length of the salt water adjusting transverse well is 3.5 ~ 4m, the inner diameter of the PE corrugated transverse well is 1000mm, and the PE corrugated transverse well.
The device also comprises a membrane desalination device 6 arranged in the management room, and a fresh water/brackish water regulating well 8 communicated with the water outlet of the membrane desalination device through a fresh water/brackish water outlet pipe 7, wherein the fresh water/brackish water outlet pipe 7 extends to the top of the side wall of the fresh water/brackish water regulating well. The water inlet of membrane desalination device passes through the export intercommunication of salt water oral siphon 5 and drainage immersible pump 12, and membrane desalination device's reverse osmosis strong brine export intercommunication extends the strong brine pipe 11 of escape canal 10, the bottom of fresh water/brackish water regulation well 8 is equipped with the irrigation immersible pump 13 with irrigation water pipe 9 intercommunication. The membrane desalination device utilizes the characteristic that a permeable membrane allows water to permeate under pressure and retains salt and impurities to desalinate underground water into fresh water/brackish water suitable for crop utilization or salt washing. The membrane desalination device adopts the prior art, and the specific structure is not described again.
The saline water inlet pipe 5 is communicated with the irrigation water pipe 9 through a brackish water direct irrigation water pipe 15, and an irrigation electromagnetic valve is arranged on the brackish water direct irrigation water pipe 15. The salt water inlet pipe 5 is communicated with a water inlet of the membrane desalting device through a three-way electromagnetic valve, and the other opening of the three-way electromagnetic valve is communicated with the strong brine pipe 11 through a salt water direct discharging pipe 14.
The management room 1 is internally provided with a controller 16, and the controller 16 is electrically connected with the irrigation submersible pump 13, the drainage submersible pump 12, the irrigation electromagnetic valve and the three-way electromagnetic valve.
The energy power subsystem of the embodiment comprises a wind-solar hybrid controller 17 installed in a management room, and a wind generating set 18, a solar generating set 19 and a storage battery pack 20 which are electrically connected with the wind-solar hybrid controller 17, wherein the wind-solar hybrid controller is electrically connected with the controller.
The salt elimination closed conduit of this embodiment can absorb field groundwater, accelerates groundwater's perpendicular alternate action, promotes soil salinity and moves to the lower part, realizes fundamental improvement. Underground water collected by the salt discharge concealed pipe enters the salt water adjusting transverse well for temporary storage, and the continuity of water discharge is guaranteed. The underground water can be pumped into the membrane desalination device through the salt water inlet pipe by a drainage submersible pump arranged in the salt water adjusting vertical shaft. The brackish water/fresh water desalted by the membrane desalting device flows into the fresh water/brackish water adjusting well through the fresh water/brackish water outlet pipe and is stored in the well, the irrigation submersible pump at the bottom of the fresh water/brackish water adjusting well can pump the fresh water/brackish water into the irrigation water pipe when irrigation is needed, the irrigation submersible pump can be used for irrigating crops and irrigating water and washing salt, and the residual reverse osmosis strong brine is discharged through the strong brine pipe to prevent the crops from being damaged. The device integrates drainage and irrigation, realizes underground saline water reclamation and water resource recycling by changing pumping and salt water into fresh water and recharging, and fundamentally solves the problem of lack of fresh water resources.
The saline water direct discharging pipe and the three-way electromagnetic valve can adjust the flow direction of water in the saline water inlet pipe, underground water is introduced into the membrane desalination device for desalination under the condition that fresh water/brackish water is lack of irrigation or salt washing, and underground water is introduced into the saline water direct discharging pipe for direct discharging under the condition that fresh water/brackish water is sufficient and drainage is needed.
The brackish water direct-irrigation water pipe can carry out brackish water irrigation in the allowable period of underground water quality, thereby realizing the reclamation of brackish water; if the area is allowed by the conditions, the cold climate resources in winter can be utilized to carry out the salt water icing irrigation desalination, thereby solving the problems that the salt water icing irrigation salt water resource source and the desalination device can not be used under the low temperature condition
The specific use method of the saline-alkali land distributed saline-pumping, desalination, irrigation and drainage coupling improvement system comprises the following steps:
a. when the temperature of underground water is higher than 5 ℃, a drainage submersible pump in the salt water regulation vertical well is started through a controller, an irrigation electromagnetic valve on a salt water vertical irrigation pipe is closed, a three-way electromagnetic valve is regulated to a state that a salt water inlet pipe is communicated with a membrane desalination device, water is collected through a salt discharge concealed pipe buried under field soil at the moment, underground water enters the membrane desalination device through the salt water inlet pipe for desalination, desalinated fresh water/brackish water enters a fresh water/brackish water regulation well through a fresh water/brackish water outlet pipe, residual reverse osmosis strong brine is discharged to a drainage ditch through a strong brine pipe, the irrigation submersible pump is started through the controller, and the fresh water/brackish water is pumped into an irrigation water pipe for irrigation or salt washing;
b. if the salinity of the underground water meets the requirement of brackish water irrigation, a drainage submersible pump in the saline water adjusting vertical well is started through a controller, an irrigation electromagnetic valve on a brackish water direct irrigation water pipe is started, a three-way electromagnetic valve is adjusted to be in a closed state, water is collected into the pipe through a water seepage hole in a salt drainage concealed pipe at the moment, and the underground water enters the brackish water direct irrigation water pipe through a saline water inlet pipe and then flows into the irrigation water pipe for irrigation;
c. when the temperature meets the requirement of salt water freezing irrigation in winter, a drainage submersible pump in the salt water adjusting vertical well is started through a controller, an irrigation electromagnetic valve on a brackish water direct irrigation water pipe is started, a three-way electromagnetic valve is adjusted to be in a closed state, water is collected into the pipe through a water seepage hole in a salt drainage concealed pipe, underground water enters the brackish water direct irrigation water pipe through a salt water inlet pipe and then flows into the irrigation water pipe for salt water freezing irrigation;
d. if the groundwater level is higher and when needing to carry out the drainage operation, then open the drainage immersible pump in the salt water regulation shaft through the controller, close the irrigation solenoid valve on the brackish water direct irrigation pipe, adjust tee bend solenoid valve to salt water oral siphon and salt water direct drainage pipe intercommunication state, collect water to intraductal infiltration hole through on the salt discharge hidden pipe this moment, groundwater directly flows into the escape canal behind the salt water oral siphon entering salt water direct drainage pipe and discharges.
The embodiment integrates a water irrigation and salt washing technology, a reverse osmosis membrane technology, a drainage and irrigation coupling technology, a brackish water irrigation technology, a salt water icing irrigation technology, a wind power and solar power generation technology, a water and electricity intelligent double control technology and an underground pipe well water storage technology, realizes the functions of pumping salt water to dilute water, brackish water irrigation, salt water icing irrigation, direct drainage and the like under the conditions of different underground water salinity, water temperature and water level, solves the problems of lack of fresh water resources of coastal saline-alkali lands and difficulty in salt water icing irrigation in winter in a low-carbon and high-efficiency manner, realizes the reclamation of underground salt water, and accelerates the improvement of the saline-alkali lands.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides a saline and alkaline land distributing type is taken out salt and is changed light to arrange and irrigate coupling improvement system, includes management room (1) and energy power subsystem to and arrange salt concealed pipe (2), horizontal well (3) and salt water regulation shaft (4) that communicate in proper order, be equipped with drainage immersible pump (12), its characterized in that in salt water regulation shaft (4): still include membrane desalination device (6), and with fresh water/brackish water regulation well (8) that fresh water/brackish water outlet pipe (7) intercommunication is passed through to membrane desalination device's delivery port, and membrane desalination device's water inlet passes through the export intercommunication of salt water oral siphon (5) and drainage immersible pump (12), and membrane desalination device's reverse osmosis strong brine export intercommunication extends strong brine pipe (11) of escape canal (10), be equipped with in fresh water/brackish water regulation well (8) with irrigate immersible pump (13) of irrigation water pipe (9) intercommunication.
2. The distributed saline-alkali soil desalination, irrigation and drainage coupling improvement system according to claim 1, characterized in that: the saline water inlet pipe (5) is communicated with the irrigation water pipe (9) through a brackish water direct irrigation pipe (15), and the brackish water direct irrigation pipe (15) is provided with an irrigation electromagnetic valve.
3. The distributed saline-alkali soil desalination, irrigation and drainage coupling improvement system according to claim 2, characterized in that: the saline water inlet pipe (5) is communicated with a water inlet of the membrane desalination device through a three-way electromagnetic valve, and the other port of the three-way electromagnetic valve is communicated with the concentrated saline water pipe (11) through a saline water direct drainage pipe (14).
4. The distributed saline-alkali soil desalination, irrigation and drainage coupling improvement system according to claim 2, characterized in that: the irrigation and drainage system is characterized by further comprising a controller (16) installed in the management room (1), wherein the controller (16) is electrically connected with the irrigation submersible pump (13), the drainage submersible pump (12) and the irrigation electromagnetic valve.
5. The distributed saline-alkali soil desalination, irrigation and drainage coupling improvement system according to claim 4, characterized in that: the energy power subsystem comprises a wind-solar hybrid controller (17) installed in a management room, a wind generating set (18), a solar generating set (19) and a storage battery pack (20) which are electrically connected with the wind-solar hybrid controller (17), and the wind-solar hybrid controller is electrically connected with the controller.
6. The distributed saline-alkali soil desalination, irrigation and drainage coupling improvement system according to claim 1, characterized in that: a fresh water/brackish water outlet pipe (7) extends to the top of the side wall of the fresh water/brackish water regulating well, and an irrigation submersible pump is arranged at the bottom of the fresh water/brackish water regulating well.
7. The distributed saline-alkali soil desalination, irrigation and drainage coupling improvement system according to claim 1, characterized in that: the membrane desalination device is installed in the management room.
8. The distributed saline-alkali soil pumping, desalting, draining and irrigating coupling improvement system as claimed in claim 1, wherein the saline water adjusting horizontal well is a PE corrugated horizontal well 15 ~ 17m long, the inner diameter of the horizontal well is 1000 ~ 1200mm, and the top of the saline water adjusting horizontal well is buried 2.5 ~ 3m away from the ground.
9. The distributed saline-alkali soil pumping, desalting, draining and irrigating coupling improvement system as claimed in claim 1, wherein the length of the saline water adjusting shaft is 3.5 ~ 4m, and the inner diameter of the saline water adjusting shaft is 1000 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920609676.9U CN209853804U (en) | 2019-04-30 | 2019-04-30 | Saline and alkaline land distributed saline pumping-to-fresh water draining-irrigating coupling improvement system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920609676.9U CN209853804U (en) | 2019-04-30 | 2019-04-30 | Saline and alkaline land distributed saline pumping-to-fresh water draining-irrigating coupling improvement system |
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| CN209853804U true CN209853804U (en) | 2019-12-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109970152A (en) * | 2019-04-30 | 2019-07-05 | 山东农业大学 | A kind of salt-soda soil distribution pumping is salty to change light irrigation and drainage coupling improvement system and application method |
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2019
- 2019-04-30 CN CN201920609676.9U patent/CN209853804U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109970152A (en) * | 2019-04-30 | 2019-07-05 | 山东农业大学 | A kind of salt-soda soil distribution pumping is salty to change light irrigation and drainage coupling improvement system and application method |
| CN109970152B (en) * | 2019-04-30 | 2023-09-19 | 山东农业大学 | Saline-alkali soil distributed salty-extraction-to-light-drainage-irrigation coupling improvement system and use method |
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