A wastewater treatment device for explosives factory

By introducing refrigeration components and an automatic retrieval system into the wastewater treatment device of the explosives factory, the problem of low efficiency in manual retrieval of oil phase components in traditional devices has been solved, realizing convenient retrieval and efficient recovery of oil phase components, and improving work efficiency and practicality.

CN224280025UActive Publication Date: 2026-05-26JIANGXI COPPER IND EXPLOSIVE MINES CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGXI COPPER IND EXPLOSIVE MINES CO LTD
Filing Date
2025-06-30
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Traditional explosives factory wastewater treatment equipment requires manual retrieval of solidified oil phase components, which is inefficient, time-consuming, and labor-intensive, thus affecting treatment efficiency.

Method used

A device was designed that includes a wastewater treatment tank, a refrigeration component, an annular evaporator, and a retrieval net frame. The refrigeration component is used to lower the temperature of the wastewater to solidify the oil phase components. The cleaning shaft and retrieval net frame are driven by a servo motor to achieve automatic retrieval of the oil phase components. The device is further treated by combining a filter chamber, filter plates, and an activated carbon adsorption layer.

Benefits of technology

It enables convenient retrieval and efficient recovery of oil phase components, simplifies the operation process, improves work efficiency, and enhances the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a wastewater treatment device for an explosives factory, including a wastewater treatment tank. An oil-water separation chamber is formed within the inner cavity of the wastewater treatment tank, and an annular evaporator is installed on the inner wall of the oil-water separation chamber. A refrigeration component body is installed on one side of the wastewater treatment tank, and a copper pipe connects the refrigeration component body and the annular evaporator. A mounting frame is fixedly installed on the top surface of the wastewater treatment tank, and a cleaning shaft is mounted on the mounting frame. One end of the cleaning shaft is connected to the output end of a servo motor. Connecting rods are symmetrically mounted on the cleaning shaft, and a mounting frame is fixedly installed at one end of each connecting rod. A placement frame is fitted into the mounting frame, and a retrieval net frame is fixedly installed at the bottom of the placement frame. Beneficial effects: This utility model, with its wastewater treatment tank, refrigeration component body, and retrieval net frame, facilitates workers in retrieving and removing solidified oil phase components in one operation, saving time and effort, increasing work efficiency, and enhancing practicality.
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Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and more specifically, to a wastewater treatment device for an explosives factory. Background Technology

[0002] Emulsion explosives generally refer to a class of water-in-oil gel-type water-resistant industrial explosives prepared using emulsification technology. They consist of fine droplets of an oxidizing agent aqueous solution as the dispersed phase, with suspended dispersed bubbles or hollow materials, glass microspheres, or other porous materials forming a continuous medium, creating a special water-in-oil emulsion system. The emulsification, loading, packaging, and cleaning processes in the preparation of emulsion explosives generate a significant amount of wastewater, necessitating the use of a wastewater treatment device for explosives factories.

[0003] Traditional wastewater treatment equipment for explosives factories requires the solidification and removal of oil phase components in the wastewater. By using refrigeration components to lower the wastewater temperature, oil phase components such as petrolatum, paraffin wax, and composite wax in the wastewater solidify and fix. After the solidified oil phase components are retrieved, the wastewater can be further treated to render it harmless. This improves the efficiency of wastewater treatment in explosives factories and also allows for the recovery of oil phase components. However, manually retrieving the solidified oil phase components is not only time-consuming and labor-intensive but also has low work efficiency, thus affecting the efficiency of wastewater treatment in explosives factories and making it relatively impractical. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a wastewater treatment device for explosives factories, which has the advantages of facilitating workers to retrieve and remove solidified oil phase components in one go, making the operation more time-saving and labor-saving, with higher work efficiency and greater practicality, thereby solving the problems mentioned in the background technology.

[0006] (II) Technical Solution

[0007] To achieve the advantages of facilitating workers' one-time retrieval of solidified oil phase components, resulting in more time-saving, labor-saving, higher work efficiency, and greater practicality, the specific technical solution adopted by this utility model is as follows: A wastewater treatment device for an explosives factory includes a wastewater treatment tank. An oil-water separation chamber is formed within the inner cavity of the wastewater treatment tank, and an annular evaporator is installed on the inner wall of the oil-water separation chamber. A refrigeration component body is installed on one side of the wastewater treatment tank. A copper pipe connects the refrigeration component body and the annular evaporator. A mounting frame is fixedly installed on the top surface of the wastewater treatment tank, and a cleaning shaft is installed on the mounting frame. The cleaning shaft is connected to a servo motor output at one end. Connecting rods are symmetrically mounted on the cleaning shaft, and a mounting frame is fixedly mounted at one end of each connecting rod. A placement frame is fitted inside the mounting frame, and a retrieval net frame is fixedly mounted at the bottom of the placement frame. A horizontal plate is fixedly mounted on one side of the connecting rod, and a sliding sleeve is mounted on the horizontal plate. A pull rod is sleeved inside the sliding sleeve. A movable plate is connected to the bottom of the pull rod, and mounting pins are symmetrically fixedly mounted on the bottom surface of the movable plate. Several springs are evenly installed between the movable plate and the horizontal plate. A through hole is symmetrically opened on one side of the mounting frame, and a mounting hole is symmetrically opened on one side of the placement frame.

[0008] Furthermore, the wastewater treatment tank has a filtration chamber, and a connecting water pipe is installed between the oil-water separation chamber and the filtration chamber. A first solenoid valve is installed on the connecting water pipe. A coarse filter screen is fixedly installed at the bottom of the oil-water separation chamber. A pull-out sliding groove is symmetrically opened on the inner wall of the filtration chamber, and a pull-out sliding plate is embedded in the pull-out sliding groove. Filter plates are directly fixedly installed on the two pull-out sliding plates, and a number of filter holes are evenly opened on the filter plates. A pick-and-place box is placed on the filter plate, and a fine filter screen is fixedly installed at the bottom of the pick-and-place box. An activated carbon adsorption layer is provided in the inner cavity of the pick-and-place box.

[0009] Furthermore, a sealing ring is fixedly installed on the bottom surface of the loading and unloading box, and the sealing ring is embedded in the sealing groove opened on the top surface of the filter plate.

[0010] Furthermore, a drain pipe is connected to one side of the bottom of the filter chamber, and a second solenoid valve is installed on the drain pipe.

[0011] Furthermore, a pick-and-place port is provided on one side of the filter chamber, and a handle is fixedly installed on one side of the filter plate.

[0012] Furthermore, a control panel is fixedly installed on the side wall of the wastewater treatment tank, and the control panel is electrically connected to the main body of the refrigeration component, the annular evaporator, the servo motor, the first solenoid valve, and the second solenoid valve.

[0013] Furthermore, the cross-sectional shape of the pull-out groove and the pull-out slide plate is T-shaped.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, this utility model provides a wastewater treatment device for explosives factories, which has the following beneficial effects:

[0016] (1) This utility model is provided with a wastewater treatment tank, a refrigeration component body, and a retrieval net frame. The wastewater treatment tank has an oil-water separation chamber, and an annular evaporator is installed on the inner wall of the oil-water separation chamber. The refrigeration component body is installed on one side of the wastewater treatment tank. A copper pipe is installed between the refrigeration component body and the annular evaporator. In use, the wastewater generated by the explosives factory is introduced into the oil-water separation chamber. Then, the refrigeration component body is started through the control panel. The annular evaporator is used to reduce the temperature of the wastewater, causing the oil phase component in the wastewater to solidify and float on the water surface. On the other hand, a mounting frame is fixedly installed on the top surface of the wastewater treatment tank. A cleaning shaft is installed on the mounting frame, and one end of the cleaning shaft is connected to the output end of a servo motor. In addition, connecting rods are symmetrically installed on the cleaning shaft, and a mounting frame is fixedly installed on one end of the connecting rod. A placement frame is embedded in the mounting frame, and a retrieval net frame is fixedly installed at the bottom of the placement frame. A horizontal plate is fixedly installed on one side of the connecting rod, and a sliding sleeve is installed on the horizontal plate. Furthermore, a pull rod is fitted inside the sliding sleeve, and a movable plate is connected and installed at the bottom end of the pull rod. A mounting pin is symmetrically fixed to the bottom surface of the movable plate. Several springs are evenly installed between the movable plate and the horizontal plate. A through hole is symmetrically opened on one side of the mounting frame, and a mounting hole is symmetrically opened on one side of the placement frame. Under the elastic force of the springs, the mounting pin can be pushed through the through hole and inserted into the mounting hole to achieve the installation and fixation of the placement frame and the retrieval net frame. When the oil phase component in the wastewater introduced into the oil-water separation chamber has almost solidified, the worker can start the servo motor through the control panel to drive the cleaning shaft to rotate 180 degrees. At this time, the retrieval net frame can retrieve the floating solidified oil phase component. Then, the worker only needs to pull the pull rod to disengage the mounting pin from the mounting hole, and can quickly remove the placement frame and the retrieval net frame to achieve the transfer and recovery of the retrieved oil phase component. This makes the wastewater treatment device for explosive factories convenient for workers to retrieve the solidified oil phase component in one go, saving time and effort, increasing work efficiency, and enhancing practicality.

[0017] (2) This utility model is provided with a filter chamber, a filter plate, and a pick-and-place box. The wastewater treatment tank is provided with a filter chamber. A connecting water pipe is installed between the oil-water separation chamber and the filter chamber, and a first solenoid valve is installed on the connecting water pipe. A coarse filter screen is installed on the bottom surface of the oil-water separation chamber. As mentioned above, after the worker completes the retrieval of the solidified oil phase component, the worker can open the first solenoid valve through the control panel to allow the wastewater from which the oil phase component has been separated to be introduced into the filter chamber through the connecting water pipe. The coarse filter screen can prevent large solid residues from clogging the connecting water pipe. The inner wall of the filter chamber is symmetrically provided with pull-out sliding grooves, and pull-out sliding plates are embedded in the pull-out sliding grooves. Filter plates are directly fixedly installed on the two pull-out sliding plates, and several filter holes are evenly provided on the filter plates. On the other hand, a filter plate is placed on the filter plate and a filter plate is installed with a filter plate. The system includes a pick-and-place box with a fine filter screen fixedly installed at the bottom of its inner cavity. An activated carbon adsorption layer is also present within the box. A sealing ring fixedly installed on the bottom of the box is embedded in a sealing groove on the top surface of the filter plate. When wastewater falls into the box, the activated carbon adsorption layer absorbs residual fine oil and harmful impurities. After further filtration through the fine filter screen, the wastewater passes through filter holes and enters the bottom of the filtration chamber. Finally, the filtered wastewater is discharged through a drain pipe and a second solenoid valve for subsequent recycling. A pick-and-place port is located on one side of the filtration chamber. When the activated carbon adsorption layer needs to be replaced, the filter plate can be pulled out of the filtration chamber using the handle, and then the pick-and-place box can be removed for replacement. The operation is simple and convenient, greatly improving the efficiency of workers replacing the activated carbon adsorption layer and enhancing its practicality. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of a wastewater treatment device for an explosives factory according to an embodiment of the present utility model;

[0020] Figure 2 This is a front view of a wastewater treatment device for an explosives factory according to an embodiment of the present utility model;

[0021] Figure 3 This is a side sectional view of the cleaning axis of a wastewater treatment device for an explosives factory according to an embodiment of the present utility model;

[0022] Figure 4 According to the embodiments of this utility model Figure 1 Enlarged view of point A;

[0023] Figure 5 According to the embodiments of this utility model Figure 3 Enlarged view of point B;

[0024] Figure 6 This is a perspective view of the solid removal mesh frame and installation pin of a wastewater treatment device for an explosives factory according to an embodiment of the present utility model.

[0025] In the picture:

[0026] 1. Servo motor; 2. Wastewater treatment tank; 3. Oil-water separation chamber; 4. Coarse filter screen; 5. First solenoid valve; 6. Activated carbon adsorption layer; 7. Filter chamber; 8. Drain pipe; 9. Connecting water pipe; 10. Filter plate; 11. Refrigeration component body; 12. Copper pipe; 13. Annular evaporator; 14. Mounting bracket; 15. Cleaning shaft; 16. Mounting frame; 17. Fishing net frame; 18. Connecting rod; 19. Control panel; 20. Pick-up and drop-off port; 21. Pull-out slide; 22. Pull-out sliding plate; 23. Pick-up and drop-off box; 24. Handle; 25. Second solenoid valve; 26. Movable plate; 27. Spring; 28. Mounting pin; 29. ​​Placement frame; 30. Sealing groove; 31. Sealing ring; 32. Fine filter screen; 33. Filter holes; 34. Horizontal plate; 35. Sliding sleeve; 36. Pull rod; 37. Through hole; 38. Mounting hole. Detailed Implementation

[0027] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0028] According to an embodiment of the present invention, a wastewater treatment device for explosives factories is provided.

[0029] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figure 1-6As shown, a wastewater treatment device for an explosives factory according to an embodiment of the present invention includes a wastewater treatment tank 2. An oil-water separation chamber 3 is provided inside the wastewater treatment tank 2, and an annular evaporator 13 is installed on the inner wall of the oil-water separation chamber 3. A refrigeration component body 11 is installed on one side of the wastewater treatment tank 2. A copper pipe 12 connects the refrigeration component body 11 and the annular evaporator 13. A mounting frame 14 is fixedly installed on the top surface of the wastewater treatment tank 2, and a cleaning shaft 15 is installed on the mounting frame 14. One end of the cleaning shaft 15 is connected to the output end of a servo motor 1. Connecting rods 18 are symmetrically installed on the cleaning shaft 15, and a mounting frame 16 is fixedly installed on one end of each connecting rod 18. A mounting frame 16 is embedded in the mounting frame 16. A placement frame 29 is provided, with a retrieval net frame 17 fixedly installed at its bottom. A horizontal plate 34 is fixedly installed on one side of the connecting rod 18, and a sliding sleeve 35 is installed on the horizontal plate 34. A pull rod 36 is sleeved inside the sliding sleeve 35. A movable plate 26 is connected and installed at the bottom of the pull rod 36, and mounting pins 28 are symmetrically fixedly installed on the bottom surface of the movable plate 26. Several springs 27 are evenly installed between the movable plate 26 and the horizontal plate 34. A through hole 37 is symmetrically opened on one side of the mounting frame 16, and a mounting hole 38 is symmetrically opened on one side of the placement frame 29. This device facilitates workers to retrieve and remove the solidified oil phase components in one go, making the operation more time-saving and labor-saving, with higher work efficiency and greater practicality.

[0030] In one embodiment, the wastewater treatment tank 2 has a filter chamber 7 inside, and a connecting water pipe 9 is installed between the oil-water separation chamber 3 and the filter chamber 7. A first solenoid valve 5 is installed on the connecting water pipe 9. A coarse filter screen 4 is fixedly installed at the bottom of the oil-water separation chamber 3. A pull-out slide groove 21 is symmetrically opened on the inner wall of the filter chamber 7, and a pull-out slide plate 22 is embedded in the pull-out slide groove 21. Filter plates 10 are directly fixedly installed on the two pull-out slide plates 22, and a number of filter holes 33 are evenly opened on the filter plates 10. A pick-and-place box 23 is placed on the filter plates 10, and a fine filter screen 32 is fixedly installed at the bottom of the inner cavity of the pick-and-place box 23. An activated carbon adsorption layer 6 is provided in the inner cavity of the pick-and-place box 23. The activated carbon adsorption layer 6 can absorb the fine oil and harmful impurities remaining in the wastewater. After further filtration by the fine filter screen 32, the wastewater enters the bottom of the inner cavity of the filter chamber 7 through the filter holes 33, thus completing the further purification treatment of the wastewater.

[0031] In one embodiment, a sealing ring 31 is fixedly installed on the bottom surface of the loading and unloading box 23, and a sealing groove 30 is opened on the top surface of the filter plate 10. The sealing ring 31 is embedded in the sealing groove 30, which improves the water-proof effect of the loading and unloading box 23 during use.

[0032] In one embodiment, a drain pipe 8 is connected to one side of the bottom of the filter chamber 7, and a second solenoid valve 25 is installed on the drain pipe 8, so that the filtered wastewater can be discharged through the drain pipe 8 and the second solenoid valve 25 for subsequent recycling.

[0033] In one embodiment, a pick-up and drop-off port 20 is provided on one side of the filter chamber 7, and a handle 24 is fixedly installed on one side of the filter plate 10, which facilitates the cleaning and replacement of the filter plate 10 and the pick-up and drop-off box 23.

[0034] In one embodiment, a control panel 19 is fixedly installed on the side wall of the wastewater treatment tank 2, and the control panel 19 is electrically connected to the main body of the refrigeration component 11, the annular evaporator 13, the servo motor 1, the first solenoid valve 5 and the second solenoid valve 25. The control circuit of the control panel 19 can be implemented by simple programming by those skilled in the art, which is common knowledge in the art. It is only used and not modified, so the control method and circuit connection will not be described in detail.

[0035] In one embodiment, the cross-sectional shape of the pull-out slide 21 and the pull-out slide plate 22 is T-shaped.

[0036] Working principle: This utility model is equipped with a wastewater treatment tank 2, a refrigeration component body 11, and a retrieval net frame 17. The wastewater treatment tank 2 has an oil-water separation chamber 3 inside, and an annular evaporator 13 is installed on the inner wall of the oil-water separation chamber 3. The refrigeration component body 11 is installed on one side of the wastewater treatment tank 2. A copper pipe 12 connects the refrigeration component body 11 and the annular evaporator 13. In use, the wastewater generated by the explosives factory is introduced into the oil-water separation chamber 3. Then, the refrigeration component body 11 is started through the control panel 19. The annular evaporator 13 lowers the temperature of the wastewater, causing the oil phase components in the wastewater to solidify and float on the water surface. On the other hand, a mounting frame 14 is fixedly installed on the top surface of the wastewater treatment tank 2. A cleaning shaft 15 is installed on the 4th section, and one end of the cleaning shaft 15 is connected to the output end of the servo motor 1. Connecting rods 18 are symmetrically installed on the cleaning shaft 15, and a mounting frame 16 is fixedly installed at one end of each connecting rod 18. A placement frame 29 is fitted inside the mounting frame 16, and a retrieval net frame 17 is fixedly installed at the bottom of the placement frame 29. A horizontal plate 34 is fixedly installed on one side of the connecting rod 18, and a sliding sleeve 35 is installed on the horizontal plate 34. A pull rod 36 is sleeved inside the sliding sleeve 35. A movable plate 26 is connected to the bottom end of the pull rod 36, and mounting pins 28 are symmetrically fixedly installed on the bottom surface of the movable plate 26. Several springs 27 are evenly installed between the movable plate 26 and the horizontal plate 34. Symmetrical through holes are opened on one side of the mounting frame 16. 37. The placement frame 29 has symmetrical mounting holes 38 on one side. Under the elastic force of the spring 27, the mounting pin 28 can be pushed through the through hole 37 and inserted into the mounting hole 38 to fix the placement frame 29 and the retrieval net frame 17. When the oil phase component in the wastewater introduced into the oil-water separation chamber 3 has solidified to a near-complete solidification, the worker can start the servo motor 1 through the control panel 19 to drive the cleaning shaft 15 to rotate 180 degrees. At this time, the retrieval net frame 17 can retrieve the floating solidified oil phase component. Then, the worker only needs to pull the pull rod 36 to make the mounting pin 28 disengage from the mounting hole 38, so that the placement frame 29 and the retrieval net frame 17 can be quickly removed to transfer and recover the retrieved oil phase component. This is a wastewater treatment device for explosives factories. This design facilitates the one-time retrieval of solidified oil phase components by workers, making the operation more time-saving, labor-saving, efficient, and practical. Furthermore, this invention includes a filter chamber 7, a filter plate 10, and a retrieval box 23. The wastewater treatment tank 2 has a filter chamber 7 within its inner cavity. A connecting water pipe 9 connects the oil-water separation chamber 3 and the filter chamber 7, and a first solenoid valve 5 is installed on the connecting water pipe 9. A coarse filter screen 4 is installed on the bottom surface of the oil-water separation chamber 3. As described above, after the worker has retrieved the solidified oil phase components, they can open the first solenoid valve 5 via the control panel 19, allowing the separated wastewater to flow into the filter chamber 7 through the connecting water pipe 9. The coarse filter screen 4 prevents large residual solids from clogging the connecting water pipe 9.The filter chamber 7 has symmetrically arranged pull-out grooves 21 on its inner wall, and pull-out slide plates 22 are embedded in the pull-out grooves 21. Filter plates 10 are directly fixedly installed on the two pull-out slide plates 22, and a number of filter holes 33 are evenly arranged on the filter plates 10. On the other hand, a pick-and-place box 23 is placed on the filter plates 10, and a fine filter screen 32 is fixedly installed at the bottom of the pick-and-place box 23. An activated carbon adsorption layer 6 is provided in the inner cavity of the pick-and-place box 23. At the same time, a sealing ring 31 fixedly installed on the bottom surface of the pick-and-place box 23 is embedded in a sealing groove 30 opened on the top surface of the filter plate 10. When wastewater falls into the inner cavity of the pick-and-place box 23, it is adsorbed by the activated carbon. The adsorption layer 6 absorbs residual fine oil and harmful impurities in the wastewater. After further filtration through the fine filter screen 32, the wastewater enters the bottom of the filter chamber 7 through the filter holes 33. Finally, the filtered wastewater can be discharged through the drain pipe 8 and the second solenoid valve 25 for subsequent recycling. A pick-and-place port 20 is provided on one side of the filter chamber 7. When it is necessary to replace the activated carbon adsorption layer 6 in the pick-and-place box 23, the filter plate 10 can be pulled out of the filter chamber 7 through the handle 24, and then the pick-and-place box 23 can be removed for replacement. The operation is simple and convenient, greatly improving the efficiency of workers replacing the activated carbon adsorption layer 6 and enhancing its practicality.

[0037] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0038] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A wastewater treatment device for an explosives factory, comprising a wastewater treatment tank (2), characterized in that, The wastewater treatment tank (2) has an oil-water separation chamber (3) inside, and an annular evaporator (13) is installed on the inner wall of the oil-water separation chamber (3). A refrigeration component body (11) is installed on one side of the wastewater treatment tank (2). A copper pipe (12) is installed between the refrigeration component body (11) and the annular evaporator (13). A mounting bracket (14) is fixedly installed on the top surface of the wastewater treatment tank (2), and a cleaning shaft (15) is installed on the mounting bracket (14). One end of the cleaning shaft (15) is connected to the output end of a servo motor (1). Connecting rods (18) are symmetrically installed on the cleaning shaft (15), and a mounting frame (16) is fixedly installed on one end of the connecting rod (18). A placement frame (29) is embedded in the mounting frame (16), and a retrieval net frame (17) is fixedly installed at the bottom of the placement frame (29). A horizontal plate (34) is fixedly installed on one side of the connecting rod (18), and a sliding sleeve (35) is installed on the horizontal plate (34). A pull rod (36) is sleeved inside the sliding sleeve (35). A movable plate (26) is connected to the bottom of the pull rod (36), and a mounting pin (28) is fixedly installed symmetrically on the bottom surface of the movable plate (26). Several springs (27) are evenly installed between the movable plate (26) and the horizontal plate (34). A through hole (37) is symmetrically opened on one side of the mounting frame (16), and a mounting hole (38) is symmetrically opened on one side of the placement frame (29).

2. The wastewater treatment device for an explosives factory according to claim 1, characterized in that, The wastewater treatment tank (2) has a filter chamber (7) inside. A connecting water pipe (9) is installed between the oil-water separation chamber (3) and the filter chamber (7), and a first solenoid valve (5) is installed on the connecting water pipe (9). A coarse filter screen (4) is fixedly installed at the bottom of the oil-water separation chamber (3). A pull-out sliding groove (21) is symmetrically opened on the inner wall of the filter chamber (7), and a pull-out sliding plate (22) is embedded in the pull-out sliding groove (21). A filter plate (10) is directly fixedly installed on the two pull-out sliding plates (22), and a number of filter holes (33) are evenly opened on the filter plate (10). A pick-up and drop box (23) is placed on the filter plate (10), and a fine filter screen (32) is fixedly installed at the bottom of the inner cavity of the pick-up and drop box (23). An activated carbon adsorption layer (6) is provided in the inner cavity of the pick-up and drop box (23).

3. The wastewater treatment device for an explosives factory according to claim 2, characterized in that, A sealing ring (31) is fixedly installed on the bottom surface of the loading and unloading box (23), and a sealing groove (30) is opened on the top surface of the filter plate (10), and the sealing ring (31) is embedded in the sealing groove (30).

4. The wastewater treatment device for an explosives factory according to claim 2, characterized in that, A drain pipe (8) is connected to one side of the bottom of the filter chamber (7), and a second solenoid valve (25) is installed on the drain pipe (8).

5. The wastewater treatment device for an explosives factory according to claim 2, characterized in that, The filter chamber (7) has an opening (20) on one side, and a handle (24) is fixedly installed on one side of the filter plate (10).

6. The wastewater treatment device for an explosives factory according to claim 1, characterized in that, The wastewater treatment tank (2) has a control panel (19) fixedly installed on its side wall, and the control panel (19) is electrically connected to the main body of the refrigeration component (11), the annular evaporator (13), the servo motor (1), the first solenoid valve (5), and the second solenoid valve (25).

7. The wastewater treatment device for an explosives factory according to claim 2, characterized in that, The cross-sectional shape of the pull-out slide (21) and the pull-out slide plate (22) is T-shaped.