Saline-alkali soil washing wastewater purification device

Abstract

The utility model belongs to the field of wastewater purification, and particularly relates to a saline-alkali soil washing wastewater purification device which comprises a tank body and an end cover, the end cover is in threaded connection with the top of the tank body, a first pump for conveying sewage is mounted at the top of the end cover, a filter tank is fixedly mounted in an inner cavity of the tank body, and the tank body is fixedly connected with a second conveying pipe; the first pressure gauge is used for detecting the pressure value in the tank body, and the first pressure gauge is fixedly connected to the outside of the tank body; the directional filter pump is connected with the filter tank through a first conveying pipe, and the directional filter pump is fixedly mounted in the inner cavity of the tank body; and the control machine box is connected with the tank body through a second conveying pipe, the control machine box is fixedly connected with a disinfection structure, and the disinfection structure is fixedly connected with a purifier. According to the utility model, the filter tank, the directional filter pump and the purifier all adopt a multi-chamber design, so that sewage is gradually purified, and the treatment efficiency and the water quality purification effect are improved.

Description

Technical Field

[0001] The utility model belongs to the field of wastewater purification, in particular to a saline-alkali soil washing wastewater purification device. Background Art

[0002] Saline-alkali land restricts the healthy growth of crops, resulting in a decrease in crop yield and quality. At the same time, saline-alkali land also damages soil structure, reduces soil fertility, and has a direct negative impact on farmers' economic income and livelihoods.

[0003] In the prior art, soil cleaning technology is usually used to solve the above problems. The solubility of water is used to dissolve and separate the salt and alkaline substances in the soil, thereby achieving the purpose of purifying the soil and reducing the degree of soil salinization. During the cleaning process, a large amount of clean water is required to ensure that the saline and alkaline substances on the soil surface are thoroughly cleaned. In order to avoid wasting water resources, sewage is usually purified for multiple recycling. Common methods include biodegradation and electrolysis.

[0004] However, the biodegradation treatment cycle is relatively long, and it takes a certain amount of time to complete the growth and metabolism of microorganisms, which cannot meet the needs of rapid sewage purification; the gas generated during the electrolytic treatment process will cause secondary pollution to the environment.

[0005] In view of this, a device capable of solving the above problems is urgently needed. Summary of the invention

[0006] 1. Technical issues to be resolved

[0007] The utility model provides a saline-alkali soil washing wastewater purification device to solve the problems of long treatment cycle, low efficiency and secondary pollution caused during treatment in the sewage treatment process. (II) Contents of the utility model

[0009] The utility model provides a saline-alkali soil washing wastewater purification device, which can effectively solve the above problems. The specific scheme is as follows: a saline-alkali soil washing wastewater purification device, comprising a tank body and an end cover, the end cover is threadedly connected to the top of the tank body, a first pump for conveying sewage is installed on the top of the end cover, a filter tank is fixedly installed in the inner cavity of the tank body, the first pump and the filter tank are connected through a sewage conveying pipe, and the tank body is fixedly connected with a second conveying pipe;

[0010] It also includes a first pressure gauge for detecting the pressure value inside the tank body, and the first pressure gauge is fixedly connected to the outside of the tank body;

[0011] A directional filter pump, wherein the directional filter pump is fixedly connected to a first delivery pipe, the directional filter pump and the filter tank are connected through the first delivery pipe, and the directional filter pump is fixedly installed in the inner cavity of the tank body;

[0012] A control box is connected to the tank body through a second delivery pipe, the control box is fixedly connected to a disinfection structure, and the disinfection structure is fixedly connected to a purifier.

[0013] Furthermore, the inner cavity of the tank body is fixedly connected to a mounting plate, and the filter tank is clamped on the mounting plate, wherein the first pump is connected to the filter tank through a pipeline, and a lifting handle is fixedly connected to the top of the filter tank, the interior of the filter tank is hollow, and a plurality of filter plates are installed in the inner cavity of the filter tank, and the bottom of the filter tank is arc-shaped, and the port of the first delivery pipe passes through the bottom of the filter tank and is connected to the inner cavity.

[0014] Furthermore, the directional filter pump is located below the filter tank, the other end of the first delivery pipe is connected to the directional filter pump, the interior of the directional filter pump is hollow and fixedly connected with a plurality of arc-shaped water filter plates, flocculants are placed between the arc-shaped water filter plates, a tray is fixedly connected in the inner cavity of the tank body, the directional filter pump is installed on the tray, and a water outlet is opened at the bottom of the directional filter pump.

[0015] Furthermore, a mounting sleeve is fixedly connected to the bottom of the inner cavity of the tank body, a plurality of water absorption holes are opened around the mounting sleeve, and one end of the second delivery pipe is fixedly connected to the mounting sleeve.

[0016] Furthermore, a second pump and a motor are fixedly installed inside the control chassis, the control chassis is provided with a control area, the control area is electrically connected to the motor, the other end of the second delivery pipe passes through the control chassis and is connected to the second pump, the control chassis is fixedly installed with an exhaust fan, and the first pump, the second pump and the exhaust fan are electrically connected to the motor.

[0017] Furthermore, the disinfection structure includes a compressed gas tank, an outer plate and an aeration plate, the second pump is connected to the inner cavity of the outer plate through a pipeline, the aeration plate is fixedly connected to the inner cavity of the outer plate, the aeration plate is fixedly connected to a third delivery pipe, the compressed gas tank is connected to the aeration plate through the third delivery pipe, the compressed gas tank is provided with a second pressure gauge, and the tank mouth of the compressed gas tank is provided with an adjusting rod.

[0018] Furthermore, a plurality of micro pores are provided on the surface of the aeration plate.

[0019] Furthermore, the outer disk is fixedly connected with a fourth delivery pipe, and the purifier is connected with the inner cavity of the outer disk through the fourth delivery pipe. The purifier includes a box body, a box cover and a chamber dividing plate. The other end of the fourth delivery pipe is connected with the box body, and the box cover is sealingly installed on the top of the box body. The opposite inner side of the box body is provided with a plurality of card-joining grooves, and the chamber dividing plate is plugged and installed in the card-joining grooves, wherein the chamber dividing plate divides the box body into a plurality of chambers, and activated carbon plates are installed in the chambers.

[0020] Furthermore, a plurality of hydrophobic holes are provided on the chamber plate.

[0021] Furthermore, a mounting seat is fixedly connected to the bottom of the tank body, a pull plate is rotatably connected to one side of the tank body close to the directional filter pump, and a climbing rod is fixedly connected to the outer wall of the tank body.

[0022] (III) Beneficial effects

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] 1. In the utility model, the filter tank, directional filter pump and purifier all adopt a multi-chamber design to gradually purify sewage, improve the treatment efficiency and water purification effect. When replacing the filter material, it is only necessary to pull the pull plate open, and then remove the first delivery pipe from the directional filter pump and the filter tank, take out the directional filter pump and replace it with a new directional filter pump. When replacing the filter tank, the staff moves to the top of the tank body through the climbing pole, removes the first pump and the end cover, and uses the lifting handle set on the filter tank to facilitate the staff to disassemble and install.

[0025] 2. In the utility model, the sewage is transported to the outer disk through the pipeline by the cooperation of the second pump and the second delivery pipe. The compressed gas tank is filled with chemical substances including but not limited to chlorine, ozone, chloramine, etc. for disinfection. The compressed gas tank is transported to the aeration disk through the third delivery pipe. The chemical substances can be released in the form of small molecular bubbles through the micro holes arranged on the aeration disk to sterilize the sewage, thereby improving the sterilization efficiency of the sewage.

[0026] 3. In the utility model, the sterilized sewage is transported to the purifier through the fourth delivery pipe. The activated carbon plate can be used to secondary adsorb the sediment and disinfectant remaining in the process of filtering, settling and sterilizing the sewage, ensuring that the sewage achieves a higher purification effect in the final treatment stage, thereby ensuring that the discharged water quality meets the use standards and avoiding secondary pollution of the water quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A three-dimensional schematic diagram of the utility model as a whole;

[0028] Figure 2 It is a three-dimensional schematic diagram of the tank body in the utility model;

[0029] Figure 3 It is a three-dimensional schematic diagram of the can body of the utility model when it is in an open state;

[0030] Figure 4 This is a partial cross-sectional schematic diagram of the internal structure of the tank body of the utility model;

[0031] Figure 5 for Figure 4 A local enlarged schematic diagram of the middle A;

[0032] Figure 6 It is an exploded schematic diagram of the directional filter pump and the tray in the utility model;

[0033] Figure 7 This is a schematic diagram of the structure inside the control box of the utility model;

[0034] Figure 8 It is a schematic diagram of the connection of the compressed gas tank, the third delivery pipe, the outer plate and the aeration plate in the utility model;

[0035] Fig. 9 for Figure 8 A partial enlarged schematic diagram of point B in the middle;

[0036] Fig.10 It is an explosion diagram of the box body, the cavity plate and the activated carbon plate in the utility model.

[0037] In the figure: 1, tank body; 2, end cover; 3, filter tank; 4, second delivery pipe; 5, first pressure gauge; 6, directional filter pump; 7, first delivery pipe; 8, control box; 9, mounting plate; 10, lifting handle; 11, filter plate; 12, water filter plate; 13, tray; 14, water outlet; 15, mounting sleeve; 16, water suction hole; 17, box cover; 18, motor; 19, exhaust fan; 20, compressed gas tank; 2 1. Outer plate; 22. Aeration plate; 23. Third delivery pipe; 24. Second pressure gauge; 25. Adjustment rod; 26. Micropores; 27. Fourth delivery pipe; 28. Box; 29. ​​Chamber plate; 30. Snap-in groove; 31. Activated carbon plate; 32. Drain hole; 33. Mounting seat; 34. Pull plate; 35. Climbing pole; 36. First pump; 37. Second pump; 38. Control area; 39 Sewage delivery pipe. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0039] Example 1

[0040] like Figure 1-Figure 10As shown, a saline-alkali soil washing wastewater purification device comprises a tank body 1 and an end cover 2, the end cover 2 is threadedly connected to the top of the tank body 1, a first pump 36 for conveying sewage is installed on the top of the end cover 2, a filter tank 3 is fixedly installed in the inner cavity of the tank body 1, the first pump 36 and the filter tank 3 are connected through a sewage conveying pipe 39, and the tank body 1 is fixedly connected to a second conveying pipe 4;

[0041] It also includes a first pressure gauge 5, which is used to detect the pressure value inside the tank body 1, so that the staff can use the pressure gauge to check the pressure. The first pressure gauge 5 is fixedly connected to the outside of the tank body 1;

[0042] A directional filter pump 6, the directional filter pump 6 is fixedly connected to a first delivery pipe 7, the directional filter pump 6 and the filter tank 3 are connected through the first delivery pipe 7, and the directional filter pump 6 is fixedly installed in the inner cavity of the tank body 1;

[0043] A control box 8, the control box 8 is connected to the tank body 1 through the second delivery pipe 4, the control box 8 is fixedly connected with a disinfection structure, and the disinfection structure is fixedly connected with a purifier;

[0044] Further, the inner cavity of the tank body 1 is fixedly connected with a mounting plate 9, and the filter tank 3 is clamped on the mounting plate 9, wherein the first pump 36 is connected with the filter tank 3 through a pipeline, and the top of the filter tank 3 is fixedly connected with a lifting handle 10, the inside of the filter tank 3 is hollow, and a plurality of filter plates 11 are installed in the inner cavity of the filter tank 3, and the bottom of the filter tank 3 is arc-shaped, and the port of the first delivery pipe 7 passes through the bottom of the filter tank 3 and is connected with the inner cavity;

[0045] Further, the directional filter pump 6 is located below the filter tank 3, the other end of the first delivery pipe 7 is connected to the directional filter pump 6, the interior of the directional filter pump 6 is hollowed out and fixedly connected with a plurality of arc-shaped water filter plates 12, flocculants are placed between the arc-shaped water filter plates 12, a tray 13 is fixedly connected in the inner cavity of the tank body 1, the directional filter pump 6 is installed on the tray 13, and a water outlet 14 is opened at the bottom of the directional filter pump 6;

[0046] Furthermore, a mounting sleeve 15 is fixedly connected to the bottom of the inner cavity of the tank body 1, and a plurality of water absorption holes 16 are opened around the mounting sleeve 15. One end of the second delivery pipe 4 is fixedly connected to the mounting sleeve 15.

[0047] Furthermore, a second pump 37 and a motor 18 are fixedly installed inside the control box 8, the control box 8 is provided with a control area 38, the control area 38 is electrically connected to the motor 18, the other end of the second delivery pipe 4 passes through the control box 8 and is connected to the second pump 37, the control box 8 is fixedly installed with an exhaust fan 19, and the second pump 37 and the exhaust fan 19 are electrically connected to the motor 18;

[0048] Further, the disinfection structure includes a compressed gas tank 20, an outer plate 21 and an aeration plate 22, the second pump 37 is connected to the inner cavity of the outer plate 21 through a pipeline, the aeration plate 22 is fixedly connected to the inner cavity of the outer plate 21, the aeration plate 22 is fixedly connected to the third delivery pipe 23, the compressed gas tank 20 is connected to the aeration plate 22 through the third delivery pipe 23, the compressed gas tank 20 is provided with a second pressure gauge 24, and the tank mouth of the compressed gas tank 20 is provided with an adjusting rod 25;

[0049] Furthermore, a plurality of micro pores 26 are provided on the surface of the aeration plate 22;

[0050] Further, the outer disk 21 is fixedly connected with a fourth delivery pipe 27, and the purifier is connected with the inner cavity of the outer disk 21 through the fourth delivery pipe 27. The purifier includes a box body 28, a box cover 17 and a chamber dividing plate 29. The other end of the fourth delivery pipe 27 is connected with the box body 28. The box cover 17 is sealed and installed on the top of the box body 28. A plurality of clamping grooves 30 are provided on the inner side opposite to the box body 28. The chamber dividing plate 29 is plugged and installed in the clamping grooves 30. The chamber dividing plate 29 divides the box body 28 into a plurality of chambers. An activated carbon plate 31 is installed in the chamber. Through the clamping grooves 30 provided on the box body 28, the staff can directly extract and replace the activated carbon plate 31.

[0051] Furthermore, a plurality of water-repellent holes 32 are formed on the cavity plate 29 .

[0052] In this embodiment, the sewage pool is connected to the first pump 36 through the sewage delivery pipe 39, and the motor 18 is turned on by operating the control area 38, and the first pump 36 and the second pump 37 start to operate. The sewage delivery pipe 39 transports the sewage to the filter tank 3 through the first pump 36. A number of porous ceramic balls, including but not limited to, are placed between the filter plates 11. The porous ceramic balls can adsorb larger soil or other particles in the sewage and then separate them from the sewage. The filter plates 11 are provided with multiple layers to ensure the service life of the filter tank 3 and increase the filtering efficiency of soil or other particles. After the preliminary filtration is completed, the sewage flows into the directional filter pump 6 through the first delivery pipe 7. The directional filter pump 6 is divided into several filter chambers by the set water filter plate 12. By placing a precipitant including but not limited to iron hydroxide or aluminum hydroxide in each filter chamber, the metal substances in the sewage are precipitated through chemical reactions, and the sewage passes through the directional filter pump 6, the water outlet 14 opened at the bottom flows into the bottom of the inner cavity of the tank body 1, and the sewage is transported to the outer disk 21 through the pipeline by the cooperation of the second pump 37 and the second delivery pipe 4. The compressed gas tank 20 is filled with chemical substances including but not limited to chlorine, ozone, chloramine, etc. for disinfection, which are delivered to the aeration disk 22 through the third delivery pipe 23 by the set compressed gas tank 20. The chemical substances can be released in the form of small molecular bubbles through the micropores 26 set on the aeration disk 22 to sterilize the sewage. The release rate of the disinfectant is controlled by rotating the adjustment rod 25. The sterilized sewage is transported to the purifier through the fourth delivery pipe 27. The activated carbon plate 31 can be used to secondary adsorb the sediment and disinfectant remaining in the process of filtering, sedimentation and sterilization of the sewage, so as to ensure that the sewage achieves a higher purification effect in the final treatment stage, thereby ensuring that the discharged water quality meets the use standard.

[0053] Example 2

[0054] like Figure 1-Figure 10 As shown, this embodiment is improved on the basis of Embodiment 1 as follows: further, a mounting seat 33 is fixedly connected to the bottom of the tank body 1, a pull plate 34 is rotatably connected to the side of the tank body 1 close to the directional filter pump 6, and a climbing rod 35 is fixedly connected to the outer wall of the tank body 1.

[0055] In this embodiment, in order to facilitate the replacement of the filter material, when replacing the filter material, it is only necessary to pull open the pull plate 34, then remove the first delivery pipe 7 from the directional filter pump 6 and the filter tank 3, take out the directional filter pump 6 and replace it with a new directional filter pump 6. When replacing the filter tank 3, the staff moves to the top of the tank body 1 through the climbing pole 35, removes the first pump 36 and the end cover 2, and uses the lifting handle 10 set on the filter tank 3 to facilitate the staff to disassemble and install.

[0056] In summary, the working process of the utility model is as follows: before the work starts, the sewage pool is first connected to the first pump 36 through the sewage delivery pipe 39, and the motor 18 is turned on by operating the control area 38, and the first pump 36 and the second pump 37 start to operate. The sewage delivery pipe 39 transports the sewage to the filter tank 3 through the first pump 36. A number of porous ceramic balls, including but not limited to, are placed between the filter plates 11. The porous ceramic balls can adsorb larger soil or other particles in the sewage and then separate them from the sewage. The filter plates 11 are provided with multiple layers to ensure the service life of the filter tank 3 and increase the filtering efficiency of soil or other particles. After the preliminary filtration is completed, the sewage flows into the directional filter pump 6 through the first delivery pipe 7, and the directional filter pump 6 is divided into a number of filter chambers by the set water filter plate 12. By placing a precipitant including but not limited to iron hydroxide or aluminum hydroxide in each filter chamber, the metal substances in the sewage are precipitated through chemical reactions. After settling, the sewage flows into the bottom of the inner cavity of the tank body 1 through the outlet 14 opened at the bottom of the directional filter pump 6, and is transported to the outer plate 21 through the pipeline by the cooperation of the second pump 37 and the second delivery pipe 4. The compressed gas tank 20 is filled with chemical substances including but not limited to chlorine, ozone, chloramine, etc. for disinfection. The compressed gas tank 20 is delivered to the aeration plate 22 through the third delivery pipe 23, and the chemical substances can be released through the micropores 26 set on the aeration plate 22 to sterilize the sewage. The release rate of the disinfectant is controlled by rotating the adjusting rod 25, and the sterilized sewage is transported to the purifier through the fourth delivery pipe 27. The activated carbon plate 31 can be used to secondary adsorb the sediment and disinfectant remaining in the process of filtering, settling and sterilizing the sewage, so as to ensure that the sewage achieves a higher purification effect in the final treatment stage, thereby ensuring that the discharged water quality meets the use standards.

[0057] The above different embodiments can be combined, replaced and used in conjunction with each other.

[0058] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0059] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A saline-alkali soil washing wastewater purification device, characterized in that: The invention comprises a tank body (1) and an end cover (2), wherein the end cover (2) is threadedly connected to the top of the tank body (1), a first pump (36) for conveying sewage is installed on the top of the end cover (2), a filter tank (3) is fixedly installed in the inner cavity of the tank body (1), the first pump (36) and the filter tank (3) are connected via a sewage conveying pipe (39), and the tank body (1) is fixedly connected to a second conveying pipe (4); It also includes a first pressure gauge (5) for detecting the pressure value inside the tank body (1), wherein the first pressure gauge (5) is fixedly connected to the outside of the tank body (1); a directional filter pump (6), the directional filter pump (6) being fixedly connected to a first delivery pipe (7), the directional filter pump (6) and the filter tank (3) being connected via the first delivery pipe (7), and the directional filter pump (6) being fixedly installed in the inner cavity of the tank body (1); A control box (8), the control box (8) being connected to the tank body (1) via a second delivery pipe (4), the control box (8) being fixedly connected to a disinfection structure, and the disinfection structure being fixedly connected to a purifier.

2. The saline-alkali soil washing wastewater purification device according to claim 1, characterized in that: The inner cavity of the tank body (1) is fixedly connected to a mounting plate (9), and the filter tank (3) is clamped on the mounting plate (9), wherein the first pump (36) is connected to the filter tank (3) through a pipeline, and the top of the filter tank (3) is fixedly connected to a lifting handle (10), the interior of the filter tank (3) is hollow, and a plurality of filter plates (11) are installed in the inner cavity of the filter tank (3), the bottom of the filter tank (3) is arc-shaped, and the port of the first delivery pipe (7) passes through the bottom of the filter tank (3) and is connected to the inner cavity.

3. The saline-alkali soil washing wastewater purification device according to claim 1, characterized in that: The directional filter pump (6) is located below the filter tank (3); the other end of the first delivery pipe (7) is connected to the directional filter pump (6); the interior of the directional filter pump (6) is hollowed out and fixedly connected to a plurality of arc-shaped water filter plates (12); flocculants are placed between the arc-shaped water filter plates (12); a tray (13) is fixedly connected to the inner cavity of the tank body (1); the directional filter pump (6) is mounted on the tray (13); and a water outlet (14) is provided at the bottom of the directional filter pump (6).

4. The saline-alkali soil washing wastewater purification device according to claim 1, characterized in that: A mounting sleeve (15) is fixedly connected to the bottom of the inner cavity of the tank body (1), a plurality of water absorption holes (16) are provided around the mounting sleeve (15), and one end of the second delivery pipe (4) is fixedly connected to the mounting sleeve (15).

5. The saline-alkali soil washing wastewater purification device according to claim 1, characterized in that: The control box (8) is electrically connected to an external power supply, and a second pump (37) and a motor (18) are fixedly installed inside the control box (8). The control box (8) is provided with a control area (38), and the control area (38) is electrically connected to the motor (18). The other end of the second delivery pipe (4) passes through the control box (8) and is connected to the second pump (37). The control box (8) is fixedly installed with an exhaust fan (19), and the first pump (36), the second pump (37) and the exhaust fan (19) are electrically connected to the motor (18).

6. The saline-alkali soil washing wastewater purification device according to claim 5, characterized in that: The disinfection structure comprises a compressed gas tank (20), an outer plate (21) and an aeration plate (22); the second pump (37) is connected to the inner cavity of the outer plate (21) through a pipeline; the aeration plate (22) is fixedly connected to the inner cavity of the outer plate (21); the aeration plate (22) is fixedly connected to a third delivery pipe (23); the compressed gas tank (20) is connected to the aeration plate (22) through the third delivery pipe (23); a second pressure gauge (24) is provided on the compressed gas tank (20); and an adjusting rod (25) is provided at the tank mouth of the compressed gas tank (20).

7. The saline-alkali soil washing wastewater purification device according to claim 6, characterized in that: A plurality of micro pores (26) are provided on the surface of the aeration plate (22).

8. The saline-alkali soil washing wastewater purification device according to claim 6, characterized in that: The outer disk (21) is fixedly connected to a fourth delivery pipe (27), the purifier is connected to the inner cavity of the outer disk (21) via the fourth delivery pipe (27), the purifier comprises a box body (28), a box cover (17) and a chamber dividing plate (29), the other end of the fourth delivery pipe (27) is connected to the box body (28), the box cover (17) is sealed and mounted on the top of the box body (28), a plurality of clamping grooves (30) are formed on the inner side opposite to the box body (28), the chamber dividing plate (29) is plugged and mounted in the clamping grooves (30), wherein the chamber dividing plate (29) divides the box body (28) into a plurality of chambers, and an activated carbon plate (31) is mounted in each of the chambers.

9. The saline-alkali soil washing wastewater purification device according to claim 8, characterized in that: The chamber dividing plate (29) is provided with a plurality of hydrophobic holes (32).

10. The saline-alkali soil washing wastewater purification device according to claim 3, characterized in that: The bottom of the tank body (1) is fixedly connected to a mounting seat (33), a side of the tank body (1) close to the directional filter pump (6) is rotatably connected to a pull plate (34), and an outer wall of the tank body (1) is fixedly connected to a climbing rod (35).

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