Pretreatment device for soil pollution treatment

By extracting saline-alkali water from open ditches in saline-alkali land for acid-base neutralization and mixing with chemical solutions, the shortcomings of existing devices in soil improvement and irrigation desalination in water-scarce areas are solved. This achieves efficient integrated treatment of soil turning and chemical spraying, improving the soil remediation effect of saline-alkali land.

CN224128210UActive Publication Date: 2026-04-17XINJIANG AOXIN BIOTECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XINJIANG AOXIN BIOTECHNOLOGY CO LTD
Filing Date
2025-03-26
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Existing soil improvement auxiliary devices for saline-alkali land cannot achieve the integrated purpose of soil improvement and irrigation and salt removal in water-scarce areas.

Method used

A pretreatment device for soil pollution remediation was designed. A pump was installed at an open ditch to extract saline water. The pH of the saline water was adjusted and the sediment was filtered using an acid-base neutralization tank. Combined with the mixing and stirring of the amendment agent, the remediation solution was finally sprayed onto the soil.

Benefits of technology

It enables soil turning, soil breaking, and pesticide spraying in water-scarce areas, improving the efficiency and effectiveness of soil improvement in saline-alkali land.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of soil pollution treatment, and discloses a pretreatment device for soil pollution treatment. The pretreatment device for soil pollution treatment comprises a treatment vehicle, a mounting seat is fixedly mounted at the front end of the treatment vehicle, an electric rotating shaft is rotationally connected into the mounting seat, a plurality of wheels are mounted at the lower end of the treatment vehicle, and a compartment is mounted at the rear end of the treatment vehicle; an acid pickling storage barrel is installed at the left end of the surface of the carriage, an improved agent barrel is installed at the right end of the surface of the carriage, an acid-base neutralization barrel is fixedly installed on the surface of the carriage and located at the rear end of the acid pickling storage barrel, and a supporting table is fixedly installed at the left side end of the acid-base neutralization barrel. The device can turn and crush polluted saline-alkali soil, recover saline-alkali water for treatment and dosing, and finally spray recovered and treated treatment liquid medicine to the turned soil, so that the soil treatment effect is improved.
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Description

Technical Field

[0001] This application belongs to the field of soil pollution remediation technology, specifically a pretreatment device for soil pollution remediation. Background Technology

[0002] Soil salinization refers to a soil evolution process in which an increase in salt ions or the separation of soluble salts in the soil leads to their continuous accumulation in the soil surface, thereby altering the soil's physical and chemical properties and posing a certain degree of harm to growing plants. Salinized soil is unsuitable for planting and requires remediation.

[0003] For example, patent CN212324691U discloses an auxiliary device for improving saline-alkali land, including an outer frame, a mixing mechanism, a frame, and a soil-turning mechanism. The frame is fixedly connected inside the outer frame, the mixing mechanism is fixedly connected to one side of the frame, and the soil-turning mechanism is fixedly connected to the other side of the outer frame. The soil-turning mechanism has a protective structure inside. This utility model is equipped with a shell, a second drive motor, a linkage shaft, a first soil-turning plate, a drill bit, and a second soil-turning plate. The second drive motor has a linkage shaft, and the first and second soil-turning plates are respectively located on both sides of the linkage shaft. Both the first and second soil-turning plates are equipped with drill bits. In use, the second drive motor is started, and the second drive motor drives the first and second soil-turning plates to rotate through the linkage shaft. Then, the drill bits on the two soil-turning plates are inserted into the soil to achieve the soil-turning effect, which facilitates the use of soil conditioners and greatly improves the efficiency of soil improvement.

[0004] However, although the saline-alkali land improvement auxiliary device proposed in this application can turn over the soil, it cannot achieve the purpose of soil improvement and irrigation and salt removal in water-scarce areas. Utility Model Content

[0005] The purpose of this application is to provide a pretreatment device for soil pollution control, in order to solve the problem that although the above-mentioned auxiliary device for improving saline-alkali land can turn over the soil, it cannot achieve the purpose of soil improvement and irrigation and desalination in water-scarce areas.

[0006] The technical solution adopted in this application is as follows: A pretreatment device for soil pollution remediation includes a treatment vehicle. A mounting base is fixedly installed at the front end of the treatment vehicle. An electric rotating shaft is rotatably connected inside the mounting base. Multiple wheels are installed at the lower end of the treatment vehicle. A vehicle body is installed at the rear end of the treatment vehicle. An acid washing storage tank is installed on the left side of the vehicle body. An amendment agent tank is installed on the right side of the vehicle body. An acid-base neutralization tank is fixedly installed on the surface of the vehicle body and at the rear end of the acid washing storage tank. A support platform is fixedly installed on the left side of the acid-base neutralization tank. An external water suction pipe is installed inside the support platform and at the top of the acid-base neutralization tank. A drain pipe is fixedly connected to the top right end of the acid-base neutralization tank. A first drain valve is installed on the surface of the drain pipe. A filter screen is slidably connected inside the acid-base neutralization tank. A dosing and mixing tank is installed at the right end of the drain pipe. A second infusion pipe is fixedly connected to the front end of the dosing and mixing tank. A water tank is installed at the lower end of the dosing and mixing tank.

[0007] By adopting the above-mentioned technical solution, the current method for improving saline-alkali land mainly involves burying underground pipes in the lower layer of soil to drain groundwater in a timely manner and prevent salt accumulation, and then constructing open ditches to store the water drained by the underground pipes. In use, this device can be installed at the open ditch to extract saline-alkali water, which is then sent to the acid-base neutralization tank through an external pumping pipe. Next, the first pump is started to send the acid washing solution stored in the acid washing storage tank to the acid-base neutralization tank. Neutralization is performed according to the pH ratio of the saline-alkali water and the acid washing solution, generating corresponding precipitates. A movable filter screen is installed inside the acid-base neutralization tank to collect the precipitates after filtration. The neutralized liquid is then sent to the dosing and mixing tank through a drain pipe, with the first drain valve controlling the flow of liquid. After the neutralized liquid is sent to the dosing and mixing tank, the second pump is started to add the treatment solution through a second infusion pipe to the dosing and mixing tank to mix with the neutralized liquid.

[0008] In a preferred embodiment, the front end of the mounting base is provided with a soil inlet groove, and a shovel plate is fixedly connected to the front end of the mounting base and the lower end of the soil inlet groove.

[0009] By adopting the above technical solution, the soil can be scooped up and turned over by a shovel. The turned soil can be sent through the soil inlet trough to one side of the plow blade seat, where it is broken up.

[0010] In a preferred embodiment, an electric rotating shaft is rotatably connected inside the mounting base, and a plurality of plow blade seats are fixedly mounted on the surface of the electric rotating shaft.

[0011] By adopting the above technical solution, the electric shaft is driven by a motor, and rotating the electric shaft can drive the plowshare to rotate.

[0012] In a preferred embodiment, a first pump is installed at the rear end of the pickling storage tank, a first infusion pipe is fixedly connected to the rear end of the first pump, and an acid-base neutralization tank is fixedly connected to the top end of the first infusion pipe.

[0013] By adopting the above technical solution, the first pump can deliver the pickling solution in the pickling storage tank to the acid-base neutralization tank through the first infusion pipe.

[0014] In a preferred embodiment, a pull rod is fixedly connected to the top of the filter screen, a pull ring is fixedly installed at the top of the pull rod, and a pull ring is inserted into the surface of the acid-base neutralization tank.

[0015] By adopting the above technical solution, the pull ring can be pulled to move the filter screen upwards and remove the sediment.

[0016] In a preferred embodiment, a second pump is installed at the rear end of the improved medicine tank, and a second infusion tube is fixedly connected to the rear end of the second pump.

[0017] By adopting the above technical solution, the second pump can add the treatment solution in the improved agent tank to the inside of the dosing and mixing tank.

[0018] In a preferred embodiment, a motor is fixedly installed at the top of the dosing mixing tank, a stirrer is rotatably connected inside the dosing mixing tank, a second drain valve is installed at the bottom of the dosing mixing tank, and a water tank is installed at the lower end of the dosing mixing tank.

[0019] By adopting the above technical solution, the second drain valve can deliver the treatment solution into the water tank.

[0020] In a preferred embodiment, a plurality of drain heads are installed on the side of the water tank.

[0021] By adopting the above technical solution, multiple drain heads are installed at the bottom of the water tank.

[0022] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0023] In this application, the soil is scooped up and turned over using a shovel. The turned soil can be fed through an inlet trough to one side of the plowshare base, where it is broken up. During use, a pump can be installed at the open ditch to draw saline-alkali water, which is then sent to the acid-alkali neutralization tank via an external pumping pipe. The first pump is then activated to send the pickling solution stored in the pickling storage tank to the acid-alkali neutralization tank. Neutralization is performed according to the pH ratio of the saline-alkali water and the pickling solution, generating corresponding precipitates. A movable filter screen is installed inside the acid-alkali neutralization tank, allowing the precipitates to be collected after filtration. The neutralized liquid is then sent to the dosing and mixing tank through a drain pipe, with the first drain valve controlling the discharge of the liquid. After the neutralizing solution is delivered into the dosing and mixing tank, the second pump is started to add the treatment solution into the dosing and mixing tank through the second infusion pipe to mix with the neutralizing solution. An agitator is installed inside the dosing and mixing tank. The agitator consists of a stirring shaft and stirring blades, which can accelerate the mixing. Finally, the mixed treatment water is sprayed onto the ground through the water tank and the drain head. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of a pretreatment device for soil pollution remediation according to this application;

[0025] Figure 2 For this application Figure 1 Enlarged view of point A in the image;

[0026] Figure 3 This is a schematic diagram of the neutralization barrel structure in this application;

[0027] Figure 4 This is a schematic diagram of the chemical mixing tank structure in this application.

[0028] The diagram shows the following components: 1. Treatment vehicle; 2. Vehicle body; 3. Wheels; 4. Acid washing storage tank; 5. Modifying agent tank; 6. First pump; 7. Second pump; 8. First infusion pipe; 9. Second infusion pipe; 10. Acid-base neutralization tank; 11. Dosing mixing tank; 12. Mounting base; 13. Electric rotating shaft; 14. Plow blade seat; 15. Soil inlet trough; 16. Shovel plate; 17. Support platform; 18. External water pump pipe; 19. Filter screen; 20. Pull rod; 21. Pull ring; 22. Drain pipe; 23. First drain valve; 24. Motor; 25. Agitator; 26. Second drain valve; 27. Water tank; 28. Drain head. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the embodiments of this application. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application. Example

[0030] Reference Figure 1-4 The system includes a treatment vehicle 1, with a mounting base 12 fixedly installed at its front end. An electric rotating shaft 13 is rotatably connected inside the mounting base 12. Multiple wheels 3 are installed at the lower end of the treatment vehicle 1. A vehicle body 2 is installed at the rear end of the treatment vehicle 1. An acid pickling storage tank 4 is installed on the left side of the surface of the vehicle body 2, and a modified reagent tank 5 is installed on the right side of the surface of the vehicle body 2. An acid-base neutralization tank 10 is fixedly installed on the surface of the vehicle body 2, located at the rear end of the acid pickling storage tank 4. A [missing information - likely a device or component] is fixedly installed on the left side of the acid-base neutralization tank 10. A support platform 17 is provided, with an external water suction pipe 18 installed inside the support platform 17 and at the top of the acid-base neutralization tank 10. A drain pipe 22 is fixedly connected to the top right end of the acid-base neutralization tank 10, and a first drain valve 23 is installed on the surface of the drain pipe 22. A filter screen 19 is slidably connected inside the acid-base neutralization tank 10. A dosing and mixing tank 11 is installed at the right end of the drain pipe 22, and a second infusion pipe 9 is fixedly connected to the front end of the dosing and mixing tank 11. A water tank 27 is installed at the lower end of the dosing and mixing tank 11. Currently, the main method for improving saline-alkali land is to bury underground pipes in the lower layer of soil to drain groundwater in a timely manner to avoid salt accumulation, and then set up open ditches to store the water drained by the underground pipes.

[0031] In use, this device involves installing a pump at an open ditch to draw in saline-alkali water, which is then pumped through an external water pipe 18 to the acid-base neutralization tank 10. Next, the first pump 6 is activated to transfer the pickling solution stored in the pickling storage tank 4 to the acid-base neutralization tank 10. The solution is neutralized according to the pH ratio of the saline-alkali water and the pickling solution, generating corresponding precipitates during neutralization. A vertically movable filter screen 19 is installed inside the acid-base neutralization tank 10 to collect the precipitates after filtration. The neutralized liquid is then pumped through a drain pipe 22 to the chemical mixing tank 11, with the first drain valve 23 controlling the discharge of the liquid. After the neutralizing solution is delivered into the dosing and mixing tank 11, the second pump 7 is started, and the treatment solution is added into the dosing and mixing tank 11 through the second infusion pipe 9 to mix with the neutralizing solution. An agitator 25, consisting of a stirring shaft and stirring blades, is installed inside the dosing and mixing tank 11 to accelerate mixing. Finally, the mixed treatment water is sprayed onto the ground through the water tank 27 and the drain head 28. While treating saline-alkali water, the plowshare seat 14 inside the mounting base 12 can be started to rotate, turning over the soil. Spraying the treatment solution after turning the soil can improve the treatment effect.

[0032] Reference Figure 1 and Figure 2 The mounting base 12 has a soil inlet groove 15 at its front end, and a shovel plate 16 is fixedly connected to the front end of the mounting base 12 and the lower end of the soil inlet groove 15. When the treatment vehicle 1 moves forward, the soil can be scooped up and turned over by the shovel plate 16. The turned soil can pass through the soil inlet groove 15 and be sent to one side of the plow blade seat 14, where it is broken up. The soil inlet groove 15 can block large rocks and prevent the plow blade seat 14 from being damaged.

[0033] Reference Figure 1 and Figure 2 An electric rotating shaft 13 is rotatably connected inside the mounting base 12, and multiple plowshare holders 14 are fixedly mounted on the surface of the electric rotating shaft 13. The electric rotating shaft 13 is driven by a motor, and rotating the electric rotating shaft 13 can drive the plowshare holders 14 to rotate.

[0034] Reference Figure 1 and Figure 3 A first pump 6 is installed at the rear end of the pickling storage tank 4. A first infusion pipe 8 is fixedly connected to the rear end of the first pump 6. An acid-base neutralization tank 10 is fixedly connected to the top end of the first infusion pipe 8. The first pump 6 can deliver the pickling solution in the pickling storage tank 4 to the acid-base neutralization tank 10 through the first infusion pipe 8.

[0035] Reference Figure 3A pull rod 20 is fixedly connected to the top of the filter screen 19, and a pull ring 21 is fixedly installed at the top of the pull rod 20. The pull ring 21 is inserted into the surface of the acid-base neutralization tank 10. When it is necessary to process the collected sediment, the pull ring 21 can be pulled to move the filter screen 19 upward and remove the sediment.

[0036] Reference Figure 1 and Figure 4 A second pump 7 is installed at the rear end of the improved agent tank 5, and a second infusion pipe 9 is fixedly connected to the rear end of the second pump 7. The treatment solution in the improved agent tank 5 can be added into the dosing and mixing tank 11 through the second pump 7, and then discharged after mixing.

[0037] Reference Figure 1 and Figure 4 A motor 24 is fixedly installed at the top of the dosing mixing tank 11, and a stirrer 25 is rotatably connected inside the dosing mixing tank 11. A second drain valve 26 is installed at the bottom of the dosing mixing tank 11, and a water tank 27 is installed at the lower end of the dosing mixing tank 11. Opening the second drain valve 26 can send the treatment solution into the water tank 27.

[0038] Reference Figure 1 and Figure 4 Multiple drain heads 28 are installed on the side of the water tank 27. Multiple drain heads 28 in multiple directions are installed at the bottom of the water tank 27, through which the medicine can be sprayed onto the soil after it has been turned over and broken up.

[0039] The implementation principle of the pretreatment device for soil pollution remediation according to this application is as follows: When the treatment vehicle 1 moves forward, the soil can be scooped up and turned over by the shovel plate 16. The turned soil can be sent through the soil inlet trough 15 to one side of the plow blade seat 14, where it is broken up. In use, a pump can be set up at the open ditch to draw saline-alkali water and send it to the inside of the acid-base neutralization tank 10 through the external water pipe 18. Then, the first pump 6 is started to send the acid washing solution stored in the acid washing storage tank 4 to the inside of the acid-base neutralization tank 10. The acid washing solution is neutralized according to the pH ratio of the saline-alkali water. During neutralization, corresponding precipitates will be generated. A filter screen 19 that can move up and down is installed inside the acid-base neutralization tank 10, and the precipitates can be retrieved after filtration. Then, the neutralized liquid is sent to the inside of the chemical mixing tank 11 through the drain pipe 22. The first drain valve 23 can control the discharge of the liquid. After the neutralizing solution is fed into the dosing and mixing tank 11, the second pump 7 is started, and the treatment solution is added into the dosing and mixing tank 11 through the second infusion pipe 9 to mix with the neutralizing solution. An agitator 25, consisting of a stirring shaft and stirring blades, is installed inside the dosing and mixing tank 11 to accelerate mixing. Finally, the mixed treatment solution is sprayed onto the ground through the water tank 27 and the drain head 28. This device can turn over and break up contaminated saline-alkali soil, recover saline-alkali water for treatment and dosing, and finally spray the recovered and treated treatment solution onto the turned soil to improve the soil treatment effect.

[0040] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A pretreatment device for soil pollution remediation, comprising a remediation vehicle (1), characterized in that: The front end of the treatment vehicle (1) is fixedly mounted with a mounting base (12), and an electric rotating shaft (13) is rotatably connected inside the mounting base (12). Multiple wheels (3) are mounted on the lower end of the treatment vehicle (1). A vehicle body (2) is mounted on the rear end of the treatment vehicle (1). An acid pickling storage tank (4) is mounted on the left side of the surface of the vehicle body (2). An improvement agent tank (5) is mounted on the right side of the surface of the vehicle body (2). An acid-base neutralization tank (10) is fixedly mounted on the surface of the vehicle body (2) and at the rear end of the acid pickling storage tank (4). A support platform is fixedly mounted on the left side of the acid-base neutralization tank (10). (17) An external water pipe (18) is installed inside the support platform (17) and at the top of the acid-base neutralization tank (10). A drain pipe (22) is fixedly connected to the top right end of the acid-base neutralization tank (10). A first drain valve (23) is installed on the surface of the drain pipe (22). A filter screen (19) is slidably connected inside the acid-base neutralization tank (10). A dosing mixing tank (11) is installed at the right end of the drain pipe (22). A second infusion pipe (9) is fixedly connected to the front end of the dosing mixing tank (11). A water tank (27) is installed at the lower end of the dosing mixing tank (11).

2. The apparatus for pre-treatment of soil pollution remediation according to claim 1, wherein: The mounting base (12) has a soil inlet groove (15) at its front end, and a shovel plate (16) is fixedly connected to the front end of the mounting base (12) and the lower end of the soil inlet groove (15).

3. The apparatus for pre-treatment of soil pollution remediation of claim 1, wherein: An electric rotating shaft (13) is rotatably connected inside the mounting base (12), and multiple plowshare seats (14) are fixedly mounted on the surface of the electric rotating shaft (13).

4. The apparatus for pre-treatment of soil pollution remediation of claim 1, wherein: The pickling storage tank (4) is equipped with a first pump (6) at its rear end. The rear end of the first pump (6) is fixedly connected to a first infusion pipe (8). The top end of the first infusion pipe (8) is fixedly connected to an acid-base neutralization tank (10).

5. The apparatus for pre-treatment of soil pollution remediation of claim 1, wherein: A pull rod (20) is fixedly connected to the top of the filter screen (19), and a pull ring (21) is fixedly installed at the top of the pull rod (20). A pull ring (21) is inserted into the surface of the acid-base neutralization tank (10).

6. The apparatus for pre-treatment of soil pollution remediation of claim 1, wherein: The improved medicine tank (5) is equipped with a second pump (7) at its rear end, and a second infusion pipe (9) is fixedly connected to the rear end of the second pump (7).

7. The apparatus for pre-treatment of soil pollution remediation of claim 1, wherein: A motor (24) is fixedly installed at the top of the dosing mixing tank (11), a stirrer (25) is rotatably connected inside the dosing mixing tank (11), a second drain valve (26) is installed at the bottom of the dosing mixing tank (11), and a water tank (27) is installed at the lower end of the dosing mixing tank (11).

8. The apparatus for pre-treatment of soil pollution remediation of claim 1, wherein: The water tank (27) is equipped with multiple drain heads (28) on its side.

Citation Information

Patent Citations

  • Saline-alkali soil improvement auxiliary device

    CN212324691U