CN115362777A - System and method for removing saline and alkaline by soil irrigation infiltration method - Google Patents
System and method for removing saline and alkaline by soil irrigation infiltration method Download PDFInfo
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- CN115362777A CN115362777A CN202211051498.5A CN202211051498A CN115362777A CN 115362777 A CN115362777 A CN 115362777A CN 202211051498 A CN202211051498 A CN 202211051498A CN 115362777 A CN115362777 A CN 115362777A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B77/00—Machines for lifting and treating soil
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/06—Watering arrangements making use of perforated pipe-lines located in the soil
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- 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
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
-
- 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
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- 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
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/306—Pesticides
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a system and a method for removing saline and alkaline by soil irrigation and infiltration, wherein the system for removing saline and alkaline by soil irrigation and infiltration comprises a seepage device, a drainage device and a forced drainage device. According to the invention, the water seepage pipe is buried under the roadbed, so that salt in soil is dissolved in redundant water during irrigation and is discharged through the water seepage pipe to remove the salt in the soil, the soil occupation can be reduced, and the planting area is saved. Simultaneously, set up anti-backflow device and forced drainage device, prevent to flow backward and by the water forced discharge in drain pump will buffer memory pond to the canal when overcast and rainy weather or the tide rise, avoid the water in the canal to flow backward and lead to the saline and alkaline phenomenon emergence that aggravates of soil. And secondly, residual pesticide in water is removed by filling adsorption particles in the water seepage pipe, so that pollution-free discharge is ensured. In addition, the solar power supply is used as a power source of the drainage pump, mains supply connection is not needed, the solar drainage pump is not limited by the environment, and the solar drainage pump is convenient to install.
Description
Technical Field
The invention relates to the technical field of soil desalination and alkalinity removal, in particular to a system for removing saline and alkaline through a soil irrigation and infiltration method.
Background
Salinization of soil refers to the process of salt content in the soil bottom layer or underground water rising to the earth surface along with capillary water and accumulating salt content in surface soil after water evaporation, i.e. the phenomenon or process of accumulation of soluble salt content in the soil surface layer. The salt content of the soil is too high (more than 0.3 percent), so that the crops have low yield or cannot grow, and saline-alkali soil needs to be subjected to saline-alkali removal treatment to ensure the normal growth of the crops.
The measures for treating the saline-alkali soil comprise water conservancy improvement measures (irrigation, drainage, silt discharge, rice planting, seepage prevention and the like), agricultural improvement measures (land leveling, improvement and cultivation, soil dressing, fertilization, seeding, crop rotation, intercropping and the like), biological improvement measures (planting of salt-tolerant plants and pasture, green manure, afforestation and the like) and chemical improvement measures (applying improvement substances such as gypsum, phosphogypsum, calcium sulfite and the like), and each measure has a certain application range and condition.
Administer through irrigation and drainage mode combination, be an effective improvement mode of going, but when actual operation, in order to in time arrange irrigation water, need set up a large amount of ditches in planting the district, the escape canal can occupy a large amount of planting areas. In addition, the soil is easy to cause backward irrigation in rainy days or flood tide, and the saline and alkaline soil is aggravated.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a system for removing saline and alkali through a soil irrigation infiltration method, wherein a water seepage pipe is buried below a roadbed to discharge redundant irrigation water through the water seepage pipe so as to remove salt in soil, and meanwhile, a backflow prevention device and a forced drainage device are arranged to prevent backflow in rainy days or tidal flood so as to avoid the phenomenon that the saline and alkali of the soil is aggravated due to the backflow.
The invention provides a system for removing saline and alkaline by soil irrigation and infiltration, which comprises a seepage device, a drainage device and a forced drainage device, wherein the seepage device comprises a seepage pipe and a drainage pipe, and the forced drainage device comprises a seepage pipe and a forced drainage pipe, wherein the seepage pipe is arranged in the seepage pipe and is connected with the seepage device:
the seepage device comprises a plurality of roadbeds arranged in the planting area, a plurality of seepage pipes are vertically buried in each roadbed, a drainage pipe is horizontally buried in each roadbed, and the lower end of each seepage pipe is communicated with the drainage pipe;
the drainage device comprises an upper drainage ditch arranged at the tail end of a drainage pipe, the tail end of the upper drainage ditch is connected with a water inlet of a cache pool, a water outlet of the cache pool is connected with a drainage channel through the lower drainage ditch, and a one-way gate is arranged on the water outlet of the cache pool;
the forced drainage device comprises a support, a drainage pump is mounted on the support, a water inlet of the drainage pump is communicated with a cache pool through a forced drainage pipe, a water outlet of the drainage pump is connected with a water outlet pipe, the other end of the water outlet pipe is arranged above a drainage channel, the drainage pump is electrically connected with a solar power supply, the solar power supply is electrically connected with a solar panel, a floating switch is arranged in the cache pool, the floating switch is in communication connection with a signal input end of a controller, and the drainage pump is in communication connection with a signal output end of the controller.
Preferably, the one-way gate is including locating the door frame of buffer memory pond delivery port top, and articulated connection gate on the door frame, gate can be to the one-way opening in the one side of escape canal place down, float switch installs on the door frame.
Preferably, the water seepage pipe comprises a water seepage outer pipe, an inner filter screen layer is detachably sleeved in the water seepage outer pipe, and adsorption particles are filled in the inner filter screen layer.
Preferably, the adsorption particles comprise the following components in parts by weight: 10-15 parts of starch, 10-15 parts of fiber, 30-65 parts of mud soil and 10-15 parts of adsorbing material; the preparation method of the adsorption particles comprises the following steps: firstly, crushing the fiber and the clay, then uniformly mixing the starch, the fiber powder, the clay powder and the adsorbing material according to the proportion, extruding the mixture into expanded particles, and finally drying and cooling the expanded particles to the ambient temperature.
Preferably, the adsorption material is one of zeolite, activated carbon, carbon molecular sieve and resin.
Preferably, the infiltration outer tube includes the body, is equipped with a plurality of infiltration hole on the body, and the body bottom is equipped with the supporting network, and connection block can be dismantled on body upper portion, connects the permeability cell on the block.
The invention also provides a method for removing saline and alkaline by a soil irrigation infiltration method, which comprises the following steps:
a. before spring ploughing, in crop irrigating seasons and after autumn ploughing, irrigating water into a farmland, enabling the water quantity to completely permeate a soil layer, enabling redundant water to enter a water seepage pipe, absorbing and removing pesticide residues in the water through adsorption particles, then converging the water into a drainage ditch, enabling the water to flow into a cache pool through an upper drainage channel, enabling a one-way gate at a water outlet of the cache pool to rotate upwards to be opened by positive flowing water, and finally enabling the water to flow into a drainage channel through a lower drainage channel;
b. when the water level rises in the drainage channel in rainy season, the water in the drainage channel flows backwards towards the lower drainage channel, the backflow water enables the one-way gate at the water outlet of the buffer pool to be closed, the water level in the buffer pool rises to the float of the floating switch to be in contact with the stator, and the controller receives signals and then controls the drainage pump to be electrified to work, so that the water in the buffer pool is sucked into the drainage channel.
The invention has the beneficial effects that: the invention provides a system for removing saline and alkaline through a soil irrigation infiltration method. Simultaneously, set up anti-backflow device and forced drainage device, prevent to flow backward and by the water forced discharge in drain pump will buffer memory pond to the canal when overcast and rainy weather or the tide rise, avoid the water in the canal to flow backward and lead to the saline and alkaline phenomenon emergence that aggravates of soil. And secondly, residual pesticide in water is removed by filling adsorption particles in the water seepage pipe, so that pollution-free discharge is ensured. In addition, the solar power supply is used as a power source of the drainage pump, mains supply connection is not needed, the environment is not limited, and the solar drainage pump is convenient to install.
Drawings
FIG. 1 is a schematic diagram of a system for removing salt and alkali by a soil irrigation infiltration method according to the present invention;
fig. 2 is a schematic view of the water seepage pipe in fig. 1.
In the figure: the water seepage device comprises a seepage device 1, a roadbed 11, a seepage pipe 12, a drainage pipe 13, a drainage device 2, an upper drainage ditch 21, a buffer pool 22, a lower drainage ditch 23, a drainage channel 24, a one-way gate 25, a door frame 251, a gate 252, a forced drainage device 3, a support 31, a drainage pump 32, a water outlet pipe 34, a solar power supply 35, a solar panel 36, a floating switch 37, a controller 38, a seepage outer pipe 121, a pipe body 121-1, a seepage hole 121-2, a support net 121-3, a cover cap 121-4, a vent pipe 121-5, an inner filter screen layer 122 and adsorption particles 123.
Detailed Description
In order to make the technical scheme of the present invention easier to understand, the technical scheme of the present invention is clearly and completely described by using a mode of specific embodiments in combination with the attached drawings.
Example 1:
as shown in fig. 1 and fig. 2, a system for removing saline and alkaline by soil irrigation infiltration comprises an infiltration device 1, a drainage device 2 and a forced drainage device 3:
the seepage device 1 comprises a plurality of road beds 11 arranged in a planting area, a plurality of seepage pipes 12 are vertically buried in each road bed 11, a drainage pipe 13 is horizontally buried in each road bed, and the lower end of each seepage pipe 12 is communicated with the drainage pipe 13;
the drainage device 2 comprises an upper drainage ditch 21 arranged at the tail end of the drainage pipe 13, the tail end of the upper drainage ditch 21 is connected with a water inlet of a cache pool 22, a water outlet of the cache pool 22 is connected with a drainage channel 24 through a lower drainage ditch 23, and a one-way gate 25 is arranged on the water outlet of the cache pool 22;
the forced drainage device 3 comprises a support 31, a drainage pump 32 is mounted on the support 31, a water inlet of the drainage pump 32 is communicated with the cache pool 22 through a forced drainage pipe 33, a water outlet of the drainage pump 32 is connected with a water outlet pipe 34, the other end of the water outlet pipe 34 is arranged above the drainage channel 24, the drainage pump 32 is electrically connected with a solar power supply 35, the solar power supply 35 is electrically connected with a solar panel 36, a floating switch 37 is arranged in the cache pool 22, the floating switch 37 is in communication connection with a signal input end of a controller 38, and the drainage pump 32 is in communication connection with a signal output end of the controller 38.
The one-way gate 25 comprises a door frame 251 arranged above the water outlet of the buffer pool 22, the door frame 251 is hinged with a gate 252, the gate 252 can be opened towards one side of the lower drainage ditch 23 in one way, and the floating switch 37 is arranged on the door frame 251.
The water seepage pipe 12 comprises a water seepage outer pipe 121, an inner screen layer 122 is detachably sleeved in the water seepage outer pipe 121, and adsorption particles 123 are filled in the inner screen layer 122.
The adsorption particles comprise the following components in parts by weight: 10-15 parts of starch, 10-15 parts of fiber, 30-65 parts of mud soil and 10-15 parts of adsorbing material; the preparation method of the adsorption particles comprises the following steps: firstly, crushing the fiber and the clay, then uniformly mixing the starch, the fiber powder, the clay powder and the adsorbing material according to the proportion, extruding the mixture into expanded particles, and finally drying and cooling the expanded particles to the ambient temperature.
The adsorption material is one of zeolite, activated carbon, a carbon molecular sieve and resin.
The water seepage outer pipe 121 comprises a pipe body 121-1, a plurality of water seepage holes 121-2 are formed in the pipe body 121-1, a supporting net 121-3 is arranged at the bottom of the pipe body 121-1, a cover cap 121-4 is detachably connected to the upper portion of the pipe body 121-1, and a vent pipe 121-5 is connected to the cover cap 121-4.
A method for removing saline and alkaline by a soil irrigation infiltration method comprises the following steps:
a. before spring ploughing, in crop irrigating seasons and after autumn ploughing, irrigating water into a farmland, so that the water quantity completely permeates a soil layer, the redundant water enters a water seepage pipe 12, is absorbed by adsorption particles 123 to remove pesticide residues in the water and then flows into a drainage ditch 21, then flows into a cache pool 22 through an upper drainage channel 24, and the positive flow water enables a one-way gate 25 at the water outlet of the cache pool 22 to rotate upwards to open and finally flows into the drainage channel 24 through a lower drainage channel 34;
b. when the water level in the drainage channel 24 rises in rainy season, the water in the drainage channel 24 flows backwards towards the lower drainage channel 23, the backflow water enables the one-way gate 25 at the water outlet of the buffer pool 22 to be closed, the water level in the buffer pool 22 rises until the floater of the floating switch 37 is in contact with the stator, and the controller 38 receives a signal and then controls the drainage pump 32 to be electrified to work, so that the water in the buffer pool 22 is sucked into the drainage channel 24.
It should be noted that the embodiments described herein are only some embodiments of the present invention, and not all implementations of the present invention, and the embodiments are only examples, which are only used to provide a more intuitive and clear understanding of the present invention, and are not meant to limit the technical solutions of the present invention. Other embodiments, as well as other simple alternatives and variations to the embodiments of the present invention, which will occur to persons skilled in the art without inventive faculty, are within the scope of the invention.
Claims (7)
1. A system for removing saline and alkaline by soil irrigation and infiltration is characterized by comprising a seepage device (1), a drainage device (2) and a forced drainage device (3):
the seepage device (1) comprises a plurality of road beds (11) arranged in a planting area, a plurality of seepage pipes (12) are vertically buried in each road bed (11), a drainage pipe (13) is horizontally buried in each road bed (11), and the lower end of each seepage pipe (12) is communicated with the drainage pipe (13);
the drainage device (2) comprises an upper drainage ditch (21) arranged at the tail end of the drainage pipe (13), the tail end of the upper drainage ditch (21) is connected with a water inlet of the cache pool (22), a water outlet of the cache pool (22) is connected with the drainage ditch (24) through the lower drainage ditch (23), and a one-way gate (25) is arranged at the water outlet of the cache pool (22);
forced drainage device (3) are including support (31), install drain pump (32) on support (31), the water inlet of drain pump (32) is through forced drainage pipe (33) and buffer memory pond (22) intercommunication, outlet pipe (34) are connected to the delivery port of drain pump (32), drainage canal (24) top is located to the other end of outlet pipe (34), drain pump (32) and solar power source (35) electric connection, solar power source (35) and solar panel (36) electric connection, be equipped with float switch (37) in buffer memory pond (22), float switch (37) and the signal input part communication connection of controller (38), the signal output part communication connection of drain pump (32) and controller (38).
2. The system for removing saline and alkaline by infiltration through soil irrigation according to claim 1, wherein said one-way gate (25) comprises a door frame (251) disposed above the water outlet of the buffer pool (22), the door frame (251) is hinged with a gate (252), the gate (252) can be opened in one direction toward the side of the lower drainage ditch (23), and said floating switch (37) is mounted on the door frame (251).
3. The system for removing saline and alkaline by infiltration for soil irrigation according to claim 1, wherein said infiltration pipe (12) comprises an outer infiltration pipe (121), an inner screen layer (122) is detachably sleeved in said outer infiltration pipe (121), and said inner screen layer (122) is filled with adsorption particles (123).
4. The system for desalination by soil irrigation infiltration of claim 1 wherein the sorbent particles comprise the following components by weight: 10-15 parts of starch, 10-15 parts of fiber, 30-65 parts of mud soil and 10-15 parts of adsorbing material; the preparation method of the adsorption particles comprises the following steps: firstly, crushing the fiber and the clay, then uniformly mixing the starch, the fiber powder, the clay powder and the adsorbing material according to the proportion, extruding the mixture into expanded particles, and finally drying and cooling the expanded particles to the ambient temperature.
5. The system for removing saline and alkaline soil by infiltration irrigation through soil as claimed in claim 1, wherein the adsorbent material is one of zeolite, activated carbon, carbon molecular sieve and resin.
6. The system for removing saline and alkaline by soil irrigation infiltration according to claim 1, wherein the outer permeable pipe (121) comprises a pipe body (121-1), a plurality of permeable holes (121-2) are formed in the pipe body (121-1), a support net (121-3) is arranged at the bottom of the pipe body (121-1), a cap (121-4) is detachably connected to the upper part of the pipe body (121-1), and a vent pipe (121-5) is connected to the cap (121-4).
7. A method for removing saline and alkaline by a soil irrigation infiltration method is characterized by comprising the following steps:
a. before spring ploughing, in crop irrigating seasons and after autumn ploughing, irrigating water into a farmland to ensure that water completely permeates a soil layer, enabling redundant water to enter a water seepage pipe (12), absorbing and removing pesticide residues in the water through absorbing particles (123), then converging the water into a drainage ditch (21), enabling the water to flow into a cache pool (22) through an upper drainage channel (24), enabling a one-way gate (25) at a water outlet of the cache pool (22) to rotate upwards to be opened by positive flowing water, and finally enabling the water to flow into the drainage channel (24) through a lower drainage channel (34);
b. when the water level in the drainage channel (24) rises in rainy season, the water in the drainage channel (24) flows backwards towards the lower drainage channel (23), the backflow water enables the one-way gate (25) at the water outlet of the buffer pool (22) to be closed, the water level in the buffer pool (22) rises until the floater of the floating switch (37) is contacted with the stator, and the controller (38) receives a signal and then controls the drainage pump (32) to be electrified to work, so that the water in the buffer pool (22) is sucked into the drainage channel (24).
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CN202211051498.5A CN115362777A (en) | 2022-08-31 | 2022-08-31 | System and method for removing saline and alkaline by soil irrigation infiltration method |
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CN202211051498.5A CN115362777A (en) | 2022-08-31 | 2022-08-31 | System and method for removing saline and alkaline by soil irrigation infiltration method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118001828A (en) * | 2024-04-10 | 2024-05-10 | 黑龙江省农业科学院大庆分院 | Filter equipment is used in saline and alkaline land improvement |
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CN211973656U (en) * | 2020-02-25 | 2020-11-20 | 南开大学 | Urban rainwater runoff groundwater recharge system based on compound LID facility |
CN114000474A (en) * | 2021-11-08 | 2022-02-01 | 中国水利水电科学研究院 | Siphon type concealed pipe drainage device and communicated concealed pipe drainage device |
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2022
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1541527A (en) * | 2003-11-05 | 2004-11-03 | 张荣耀 | Expanded granule carrier composition for adsorbing agricultural chemicals and its preparation and uses |
CN204762460U (en) * | 2015-07-14 | 2015-11-18 | 亿利资源集团有限公司 | Planting system in saline and alkaline land |
CN207040179U (en) * | 2017-08-01 | 2018-02-27 | 内蒙古蒙草土壤修复与盐碱地改良科技有限公司 | Photovoltaic pumping plant hidden pipe desalting system |
CN211973656U (en) * | 2020-02-25 | 2020-11-20 | 南开大学 | Urban rainwater runoff groundwater recharge system based on compound LID facility |
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CN118001828A (en) * | 2024-04-10 | 2024-05-10 | 黑龙江省农业科学院大庆分院 | Filter equipment is used in saline and alkaline land improvement |
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