A saline-alkali soil improvement system

Abstract

The application discloses a saline-alkali soil water resource collection and saline-alkali soil improvement system, which comprises a preliminary purification mechanism arranged in an underground water infiltration well, a water pumping mechanism arranged above the underground water infiltration well, an evaporation water tank connected with the water pumping mechanism, a condensation water tank arranged on one side of the evaporation water tank, a condenser arranged above the evaporation water tank and the condensation water tank, and an intelligent controller arranged below the evaporation water tank and the condensation water tank; the intelligent detection module detects the soil quality of the saline-alkali soil based on a soil salt content sensor and a soil water potential sensor; a data processing module processes and judges the data detected by the sensors based on a remote terminal; and a smart irrigation module is used for layer-by-layer irrigation of the saline-alkali soil according to the data processing result; rainwater, surface runoff and underground water can be preliminarily filtered and purified and then utilized, and the system can achieve the effect of efficient salt washing by cooperating with surface and deep irrigation; meanwhile, the system can intelligently detect the soil and adjust the composition of irrigation water, has high intelligent degree, does not need frequent sampling and detection by personnel, and can be controlled remotely.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of saline-alkali soil improvement, and particularly relates to a saline-alkali soil water resource collection and saline-alkali soil improvement system. BACKGROUND

[0002] At present, although the salt removal and salt reduction treatment of saline-alkali soil has good effects, the saline-alkali soil cannot be intelligently monitored and controlled, and after the saline-alkali soil is improved, water irrigation for salt washing is still continued, which causes waste of water resources and energy. In this case, workers need to frequently sample and detect the large-area soil to determine whether the system is running or not, which is very troublesome and time-consuming and laborious. Therefore, the present application provides a saline-alkali soil water resource collection and saline-alkali soil improvement system to solve the problems in the prior art. SUMMARY

[0003] In view of the above problems, the present application aims to provide a saline-alkali soil water resource collection and saline-alkali soil improvement system. The saline-alkali soil water resource collection and saline-alkali soil improvement system can utilize rainwater, surface runoff and underground water after preliminary filtration and purification by setting a preliminary purification mechanism in an underground water infiltration well, and can achieve efficient salt washing by cooperating with surface and deep irrigation. Meanwhile, the saline-alkali soil salt content can be monitored in real time by a plurality of sensors arranged in layers, and the composition of irrigation water can be intelligently adjusted after data processing by a remote terminal, so that the saline-alkali soil is improved by cooperating with microbial bacteria and soluble improver. The system does not need frequent sampling and detection by personnel, has high intelligent degree, and can be controlled remotely.

[0004] In order to achieve the purpose of the present application, the present application realizes the technical scheme as follows: a saline-alkali soil water resource collection and saline-alkali soil improvement system, comprising a water resource collection system and an intelligent salt reduction system, the water resource collection system comprising a underground water infiltration well, a preliminary purification mechanism, a water pumping mechanism, an evaporation water tank, a condensation water tank, a condenser, a feeding mechanism and an intelligent controller, the underground water infiltration well being provided with the preliminary purification mechanism, the underground water infiltration well being provided with the water pumping mechanism, the water pumping mechanism being connected with the evaporation water tank, one side of the evaporation water tank being provided with the condensation water tank, the evaporation water tank and the condensation water tank being communicated through the condenser, the condensation water tank being provided with the feeding mechanism outside, the evaporation water tank and the condensation water tank being provided with the intelligent controller below, the intelligent controller being used for remote data transmission and reception and overall system control, the intelligent salt reduction system comprising an intelligent detection module, a data processing module and a smart irrigation module, the intelligent detection module being based on a soil salinity sensor and a soil water potential sensor to detect the saline-alkali soil quality, the soil salinity sensor being used for detecting the nutrient content in the saline-alkali soil at different depths, serving as a basis for judging the effect of saline-alkali soil improvement, the soil water potential sensor being used for monitoring the water potential data of the saline-alkali soil, serving as a basis for judging the soil quality, the data processing module being based on a remote terminal to process and judge the data detected by the sensor, the smart irrigation module being used for layered irrigation of the saline-alkali soil according to the data processing result, and the layered irrigation being realized based on setting irrigation pipelines at different depths.

[0005] Further improvement lies in that the preliminary purification mechanism comprises a permeation mesh frame, an activated carbon filling layer, a water permeable membrane layer and a filter mesh frame, the inside wall and the bottom of the underground water infiltration well are provided with the permeation mesh frame, the permeation mesh frame is a hollow structure, the activated carbon filling layer is filled in the permeation mesh frame, the water permeable membrane layer is attached to the inner side of the permeation mesh frame, the water entering the underground water infiltration well is further filtered, and the filter mesh frame is movably placed in the permeation mesh frame to filter sundries in the surface runoff and rainwater.

[0006] Further improvement lies in that the water pumping mechanism comprises a purification filter, a water pumping pipe, a water pumping pump and a water inlet pipe, the ground on one side of the underground water infiltration well is provided with the purification filter to further filter and purify the water in the underground water infiltration well, the purification filter on one side is connected with the inside of the underground water infiltration well through the water pumping pipe, the lower end of the water pumping pipe is located outside the filter mesh frame to avoid sundries in the surface runoff and rainwater from blocking the pipeline, the pipeline on the other side of the purification filter is connected with the water pumping pump, and the water pumping pump is connected with the evaporation water tank through the water inlet pipe.

[0007] Further improvement lies in that the feeding mechanism comprises a microbial agent feeding tank, an amendment feeding tank, an electrically controlled metering valve, a stirring motor and a stirring rod, the microbial agent feeding tank is arranged above the condensate tank, the amendment feeding tank is arranged outside the condensate tank, the microbial agent feeding tank and the amendment feeding tank are both communicated with the condensate tank through the electrically controlled metering valve pipeline, the electrically controlled metering valve can intelligently control the feeding amount of the microbial agent and the amendment, the condensate tank is provided with the stirring motor at the bottom, and the stirring motor output end is provided with the stirring rod arranged in the condensate tank.

[0008] Further improvement lies in that the intelligent controller is electrically connected with the water pumping mechanism and the feeding mechanism, the intelligent controller is internally provided with a wireless transmission module for data transmission between the intelligent controller and a remote terminal, and the intelligent detection module is electrically connected with the intelligent controller, and the intelligent controller is taken as a transfer station for sending sensor data.

[0009] Further improvement lies in that the soil salinity sensor and the soil water potential sensor are both arranged in layers and are deeply buried, the arrangement depths are 1-1.5 m and 2.5-3 m respectively, the underground water infiltration well is arranged in a low-lying land block of the saline-alkali soil and has a depth of 3-3.5 m, a plurality of underground water infiltration wells are arranged in the low-lying land of the saline-alkali soil, and the collected water is all transported into the evaporation tank.

[0010] Further improvement lies in that the data processing module comprises a comparison and calculation sub-module and a control and sending sub-module, the comparison and calculation sub-module is used for comparing and calculating the obtained sensor data with preset soil data item by item to obtain feeding and irrigation data, including selection of the microbial agent or the amendment and respective dosages, and the control and sending sub-module is used for converting the feeding and irrigation data into a control signal and sending the control signal to the intelligent controller to control execution.

[0011] Further improvement lies in that the intelligent control irrigation module comprises an irrigation mechanism and a control switching sub-module, the irrigation mechanism comprises an irrigation water pump, a shunt pipe, an electrically controlled valve, a surface layer irrigation pipe and a deep layer irrigation pipe, the condensate tank is provided with the irrigation water pump connected through a pipeline at one side, the irrigation water pump output end is provided with the shunt pipe, the shunt pipe branches are all provided with the electrically controlled valve, one branch of the shunt pipe is communicated with the surface layer irrigation pipe, and the other branch is communicated with the deep layer irrigation pipe, and the control switching sub-module controls the start and stop of the irrigation water pump and the switching and closing of the electrically controlled valve based on the intelligent controller, and controls the switching of the surface layer irrigation pipe and the deep layer irrigation pipe for irrigating the microbial agent mixed solution and the amendment mixed solution.

[0012] Further improvement lies in that the surface layer irrigation pipe is laid on the saline-alkali soil surface, the deep layer irrigation pipe is buried at a position 1.5-2 m below the saline-alkali soil surface, and the deep layer irrigation pipe is provided with a rigid mesh sleeve through a support ring outside, so that the rigid mesh sleeve can avoid the blockage of the irrigation water holes of the deep layer irrigation pipe.

[0013] The beneficial effects of the present application are: the present application can utilize rainwater, surface runoff and underground water after preliminary filtration and purification by setting a preliminary purification mechanism in the underground infiltration well, cooperate with surface and deep irrigation to achieve the effect of efficient salt washing, at the same time, through the multi-group sensors arranged in layers, the soil salt content of saline-alkali soil can be monitored in real time, and after data processing by the remote terminal, the composition of irrigation water is intelligently adjusted, and the saline-alkali soil is improved by cooperating with microbial bacteria and soluble modifier, without frequent sampling and detection by personnel, the intelligent degree is high, the remote control is convenient and efficient, promotes the sustainable agricultural production of saline-alkali soil, and improves the ecological environment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a water resource collection system structure diagram of the present application.

[0015] Figure 2 It is a saline-alkali underground sensing and pipeline distribution diagram of the present application.

[0016] Figure 3 It is a condensate tank section view of the present application.

[0017] Figure 4 It is a deep irrigation pipe section view of the present application.

[0018] Figure 5 It is an intelligent salt reduction system architecture diagram of the present application

[0019] Wherein: 1, underground infiltration well; 2, evaporation tank; 3, condensate tank; 4, condenser; 5, intelligent controller; 6, infiltration net frame; 7, activated carbon filling layer; 8, water permeable membrane layer; 9, filter net frame; 10, purification filter; 11, water suction pipe; 12, water suction pump; 13, water inlet pipe; 14, bacteria agent feeding tank; 15, modifier feeding tank; 16, electric control metering valve; 17, stirring motor; 18, stirring rod; 19, soil salt content sensor; 20, soil water potential sensor; 21, irrigation water pump; 22, shunt pipe; 23, electric control valve; 24, surface irrigation pipe; 25, deep irrigation pipe; 26, support ring; 27, rigid net cover. DETAILED DESCRIPTION

[0020] In order to deepen the understanding of the present application, the present application will be further described in combination with examples, and the present embodiment is only used to explain the present application, and does not constitute a limitation on the protection scope of the present application.

[0021] According to Figures 1-5As shown, the present embodiment provides a saline-alkali soil water resource collection and saline-alkali soil improvement system, which comprises a water resource collection system and an intelligent salt reduction system. The water resource collection system comprises a underground infiltration well 1, a preliminary purification mechanism, a water pumping mechanism, an evaporation water tank 2, a condensation water tank 3, a condenser 4, a feeding mechanism and an intelligent controller 5. The preliminary purification mechanism is arranged in the underground infiltration well 1. The water pumping mechanism is arranged on the underground infiltration well 1. The water pumping mechanism is connected with the evaporation water tank 2. The evaporation water tank 2 is provided with the condensation water tank 3 on one side. The evaporation water tank 2 and the condensation water tank 3 are communicated through the condenser 4. The collected rainwater and underground water are evaporated and then condensed into the condensation water tank through the evaporation water tank, so that the salt content of the collected water resource can be greatly reduced to reach the standard of irrigation water. The condensation water tank 3 is provided with the feeding mechanism on the outside. The evaporation water tank 2 and the condensation water tank 3 are provided with the intelligent controller 5 below, which is used for remote data transmission and reception and overall system control. The intelligent salt reduction system comprises an intelligent detection module, a data processing module and a smart irrigation module. The intelligent detection module detects the saline-alkali soil based on a soil salt content sensor 19 and a soil water potential sensor 20. The soil salt content sensor is used for detecting the nutrient content in the saline-alkali soil at different depths, which is used as a basis for judging the effect of saline-alkali soil improvement. The soil water potential sensor is used for monitoring the water potential data of the saline-alkali soil, which is used as a basis for judging the soil quality. The data processing module processes and judges the data detected by the sensor based on a remote terminal. The smart irrigation module is used for layered irrigation of the saline-alkali soil according to the data processing result. Different depths of irrigation pipelines are arranged to realize layered irrigation.

[0022] The preliminary purification mechanism comprises a permeable mesh frame 6, an activated carbon filling layer 7, a water permeable membrane layer 8 and a filter mesh frame 9. The underground infiltration well 1 is provided with the permeable mesh frame 6 on the inner wall and the bottom. The permeable mesh frame is a hollow structure. The permeable mesh frame 6 is filled with the activated carbon filling layer 7. The permeable mesh frame 6 is provided with the water permeable membrane layer 8 on the inner side. The water in the underground infiltration well is further filtered. The permeable mesh frame 6 is provided with the filter mesh frame 9. The filter mesh frame 9 is movably arranged in the permeable mesh frame 6, so that the filter mesh frame 9 can be conveniently cleaned at regular time.

[0023] The water pumping mechanism comprises a purification filter 10, a water pumping pipe 11, a water pumping pump 12 and a water inlet pipe 13. The underground infiltration well 1 is provided with the purification filter 10 on one side of the ground. The water in the underground infiltration well is further filtered and purified. The purification filter 10 is connected with the inside of the underground infiltration well 1 through the water pumping pipe 11. The lower end of the water pumping pipe is located on the outside of the filter mesh frame, so that the sundries in the surface runoff and rainwater cannot block the pipeline. The pipeline on the other side of the purification filter 10 is connected with the water pumping pump 12. The water pumping pump 12 is connected with the evaporation water tank 2 through the water inlet pipe 13.

[0024] The feeding mechanism includes a bacterial agent feeding tank 14, an amendment feeding tank 15, an electrically controlled metering valve 16, a stirring motor 17 and a stirring rod 18, the bacterial agent feeding tank 14 is arranged above the condensate tank 3, the amendment feeding tank 15 is arranged on the outer side of the condensate tank 3, the bacterial agent feeding tank 14 and the amendment feeding tank 15 are both connected to the condensate tank 3 through the electrically controlled metering valve 16, the electrically controlled metering valve can intelligently control the feeding amount of the bacterial agent and the amendment, the stirring motor 17 is arranged at the bottom of the condensate tank 3, the output end of the stirring motor 17 extends into the condensate tank 3 and is provided with the stirring rod 18, which facilitates the full dissolution and mixing of the bacterial agent or the amendment.

[0025] The intelligent controller 5 is electrically connected with the pumping mechanism and the feeding mechanism, the intelligent controller 5 is internally provided with a wireless transmission module for data transmission and reception between the intelligent controller 5 and a remote terminal, and the intelligent detection module is electrically connected with the intelligent controller 5, and the intelligent controller is used as a transfer station to send sensor data.

[0026] The soil salinity sensor 19 and the soil water potential sensor 20 are both arranged in layers and are deeply buried, and the arrangement depths are 1m and 2.5m respectively, the underground infiltration well 1 is distributed in a low-lying land block of the saline-alkali soil and has a depth of 3m, and a plurality of underground infiltration wells are distributed in the low-lying land of the saline-alkali soil, and the collected water is all transported into the evaporation tank.

[0027] The data processing module includes a comparison and calculation submodule and a control and sending submodule, the comparison and calculation submodule is used for comparing and calculating the obtained sensor data with preset soil data item by item to obtain feeding and irrigation data, including the selection of the bacterial agent or the amendment and the respective dosages, and the control and sending submodule is used for converting the feeding and irrigation data into control signals and sending the control signals to the intelligent controller 5 to control execution.

[0028] The intelligent control irrigation module includes an irrigation mechanism and a control switching submodule, the irrigation mechanism includes an irrigation water pump 21, a shunt pipe 22, an electrically controlled valve 23, a surface irrigation pipe 24 and a deep layer irrigation pipe 25, the condensate tank 3 is connected with the irrigation water pump 21 through a pipeline on one side, the output end of the irrigation water pump 21 is provided with the shunt pipe 22, the shunt pipe 22 is provided with the electrically controlled valve 23 on each branch, one branch of the shunt pipe 22 is connected with the surface irrigation pipe 24, and the other branch is connected with the deep layer irrigation pipe 25, the control switching submodule controls the start and stop of the irrigation water pump 21 and the switching and closing of the electrically controlled valve 23 based on the intelligent controller 5, and controls the switching of the surface irrigation pipe and the deep layer irrigation pipe for irrigating the bacterial agent mixed solution and the amendment mixed solution.

[0029] The surface irrigation pipe 24 is laid on the saline-alkali soil surface, the deep layer irrigation pipe 25 is buried 1.5m below the saline-alkali soil surface, the rigid mesh sleeve 27 is arranged on the outer side of the deep layer irrigation pipe 25 through the support ring sleeve 26, and the arrangement of the rigid mesh sleeve can avoid the blockage of the irrigation water holes on the deep layer irrigation pipe.

[0030] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A saline and alkaline soil water resource collection and saline and alkaline soil improvement system, characterized in that: The application relates to a water resource collection system and an intelligent salt reduction system, wherein the water resource collection system comprises a ground water infiltration well (1), a preliminary purification mechanism, a water pumping mechanism, an evaporation water tank (2), a condensation water tank (3), a condenser (4), a feeding mechanism and an intelligent controller (5); the ground water infiltration well (1) is provided with the preliminary purification mechanism; the ground water infiltration well (1) is provided with the water pumping mechanism; the water pumping mechanism is connected with the evaporation water tank (2); one side of the evaporation water tank (2) is provided with the condensation water tank (3); the evaporation water tank (2) and the condensation water tank (3) are communicated through the condenser (4) above; the condensation water tank (3) is provided with the feeding mechanism outside; the evaporation water tank (2) and the condensation water tank (3) are provided with the intelligent controller (5) below; the intelligent salt reduction system comprises an intelligent detection module, a data processing module and a smart control irrigation module; the intelligent detection module detects the soil quality of a saline-alkali soil based on a soil salt content sensor (19) and a soil water potential sensor (20); the data processing module processes and judges the data detected by the sensors based on a remote terminal; and the smart control irrigation module is used for layer-by-layer irrigation of the saline-alkali soil according to the data processing result. The soil salt content sensor (19) and the soil water potential sensor (20) are both arranged in layers and are deeply buried, and the arrangement depths are 1-1.5 m and 2.5-3 m respectively; and the ground water infiltration well (1) is distributed in a low-lying land block of the saline-alkali soil and has a depth of 3-3.5 m. The smart control irrigation module comprises an irrigation mechanism and a control switching sub-module; the irrigation mechanism comprises an irrigation water pump (21), a shunt pipe (22), an electric control valve (23), a surface irrigation pipe (24) and a deep layer irrigation pipe (25); one side of the condensation water tank (3) is connected with the irrigation water pump (21) through a pipeline; the output end of the irrigation water pump (21) is provided with the shunt pipe (22); the branches of the shunt pipe (22) are both provided with the electric control valve (23); one branch of the shunt pipe (22) is communicated with the surface irrigation pipe (24); the other branch of the shunt pipe (22) is communicated with the deep layer irrigation pipe (25); and the control switching sub-module controls the start and stop of the irrigation water pump (21) and the switching and closing of the electric control valve (23) based on the intelligent controller (5). The surface irrigation pipe (24) is laid on the surface of the saline-alkali soil; the deep layer irrigation pipe (25) is buried at a position 1.5-2 m below the surface of the saline-alkali soil; and the deep layer irrigation pipe (25) is provided with a rigid mesh sleeve (27) through a support ring (26) outside.

2. A saline soil water resource collection and saline soil amelioration system as claimed in claim 1, wherein: The preliminary purification mechanism comprises a permeation mesh frame (6), an activated carbon filling layer (7), a water permeable membrane layer (8) and a filter mesh frame (9); the inner side wall and the bottom of the ground water infiltration well (1) are provided with the permeation mesh frame (6); the permeation mesh frame (6) is internally provided with the activated carbon filling layer (7); the inner side surface of the permeation mesh frame (6) is attached with the water permeable membrane layer (8); and the permeation mesh frame (6) is internally provided with the filter mesh frame (9); and the filter mesh frame (9) is movably arranged in the permeation mesh frame (6).

3. A saline soil water resource collection and saline soil amelioration system as claimed in claim 1, wherein: The water pumping mechanism includes a purification filter (10), a water pumping pipe (11), a water pumping pump (12) and a water inlet pipe (13), one side of the underground water infiltration well (1) is provided with the purification filter (10), one side of the purification filter (10) is connected with the inside of the underground water infiltration well (1) through the water pumping pipe (11), the other side of the purification filter (10) is connected with the water pumping pump (12) through a pipeline, and the water pumping pump (12) is connected with the evaporation water tank (2) through the water inlet pipe (13).

4. A saline soil water resource collection and saline soil amelioration system as claimed in claim 1, wherein: The feeding mechanism includes a bacterial agent feeding tank (14), an amendment feeding tank (15), an electric control metering valve (16), a stirring motor (17) and a stirring rod (18), the bacterial agent feeding tank (14) is arranged above the condensate tank (3), the amendment feeding tank (15) is arranged on the outer side of the condensate tank (3), the bacterial agent feeding tank (14) and the amendment feeding tank (15) are both connected with the condensate tank (3) through the electric control metering valve (16), the stirring motor (17) is arranged at the bottom of the condensate tank (3), and the stirring rod (18) is arranged in the condensate tank (3) and connected with the output end of the stirring motor (17).

5. A saline soil water resource collection and saline soil amelioration system in accordance with claim 1 wherein: The intelligent controller (5) is electrically connected with the water pumping mechanism and the feeding mechanism, a wireless transmission module is arranged in the intelligent controller (5) and used for data transmission between the intelligent controller (5) and a remote terminal, and the intelligent detection module is electrically connected with the intelligent controller (5).

6. A saline soil water resource collection and saline soil amelioration system as claimed in claim 1, wherein: The data processing module includes a comparison calculation sub-module and a control sending sub-module, the comparison calculation sub-module is used for comparing and calculating the obtained sensor data with preset soil data item by item to obtain feeding irrigation data, and the control sending sub-module is used for converting the feeding irrigation data into a control signal and sending the control signal to the intelligent controller (5) to control execution.

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