Wastewater treatment equipment

Abstract

The present invention relates to the technical field of wastewater treatment equipment, and discloses a wastewater treatment equipment, including a purification box, in which a first screen and a second screen are fixedly installed, the first screen and the second screen divide the purification box into two purification areas and a transition area, and also includes a cover plate, the cover plate is fixedly installed on the top of the purification box, and a mud block, the mud block is provided with a plurality of and linearly and evenly fixedly installed on the bottom of the two purification areas. The present invention sets a cleaning mechanism, drives the cleaning mechanism to ensure the fluidity of the first screen and the second screen in the two purification areas, and at the same time, as the cleaning mechanism moves, drives multiple collecting mechanisms to slowly stir in the purification box, so that the floating impurities in the purification box are collected together, reducing the number of equipment shutdowns for maintenance and cleaning, thereby improving the working efficiency of the equipment in treating wastewater.

Description

Technical Field

[0001] The invention relates to the technical field of wastewater treatment equipment, and in particular to wastewater treatment equipment. Background Art

[0002] Wastewater treatment refers to the process of treating wastewater through physical, chemical or biological methods to purify the wastewater, reduce pollution, and even achieve wastewater recovery and reuse. However, general wastewater treatment is the treatment of large amounts of wastewater, such as sewage treatment plants, while the wastewater generated in daily environmental protection processes is rarely treated. For example, the wastewater generated by washing rags and mops during environmental protection operations contains a large amount of sand, dust and other debris.

[0003] In the existing wastewater treatment process, the wastewater is first passed into a wastewater sedimentation tank to precipitate the silt. Although the obvious impurities in the wastewater are filtered out by using a multi-stage screen, a large amount of floating impurities will accumulate on the surface of the screen after long-term use, affecting the fluidity of the wastewater inside the equipment. Therefore, the screen needs to be replaced and cleaned frequently, which reduces the working efficiency of the equipment in treating wastewater. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a wastewater treatment device.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A wastewater treatment device comprises a purification box, wherein a first screen and a second screen are fixedly installed in the purification box, wherein the first screen and the second screen separate the purification box into two purification areas and a transition area, and further comprises:

[0007] A cover plate, the cover plate is fixedly mounted on the top of the purification box;

[0008] Mud blocking blocks, which are provided in multiple numbers and are evenly and linearly fixedly installed at the bottom of the two purification zones;

[0009] A cleaning mechanism, wherein two cleaning mechanisms are provided and are respectively located in two purification zones, and the cleaning mechanisms are used to scrape impurities accumulated on the inner wall of the purification zone;

[0010] The collecting mechanism is provided with two collecting mechanisms in each of the cleaning mechanisms, and the collecting mechanisms are used to absorb and store floating impurities in the wastewater.

[0011] As a further solution of the present invention, the cleaning mechanism includes a movable frame, which is slidably installed on the bottom of the cover plate. The movable frame is a U-shaped structure, and a mud scraper block is fixedly embedded on the outer surface of the movable frame. The mud scraper block is a U-shaped structure and a groove compatible with the mud blocking block is opened at the bottom.

[0012] As a further solution of the present invention, two sewage outlets connected to the two purification areas are provided on the two opposite side surfaces of the purification box, and each sewage outlet is detachably and fixedly equipped with a sewage door. The scraper block can push the impurities accumulated in the purification box to the vicinity of the sewage outlet during the movement.

[0013] As a further solution of the present invention, the collection mechanism includes a mixing drum, the interior of the mixing drum is a hollow structure, and a plurality of mixing protrusions are fixedly installed on the surface of the mixing drum. The interior of each mixing protrusion is a hollow structure and is connected to the interior of the mixing drum. A plurality of absorption holes are provided on the surface of each mixing protrusion. The mixing drum is rotatably installed in a movable frame.

[0014] As a further solution of the present invention, the mixing drum is provided with an overflow port near the top surface, an electric one-way valve is installed in the overflow port, a third screen is detachably fixedly installed in the mixing drum, an inspection port is opened at the bottom of the mixing drum, and an inspection door is hinged in the inspection port.

[0015] As a further solution of the present invention, the top of each mixing drum passes through the outer surface of the corresponding movable frame, and a spur gear is fixedly sleeved on the outer surface of the top of each mixing drum. The top of each mixing drum is an open structure, and a plurality of racks are fixedly installed on the top of the cover plate, and the plurality of racks are respectively meshed with a plurality of spur gears.

[0016] As a further solution of the present invention, a transfer block is provided on the top of each movable frame, two avoidance openings are opened on the top of the cover plate, the tops of the two transfer blocks pass through the corresponding avoidance openings and a first bracket is fixedly installed between the two, a diversion pipe is fixedly installed on the top of the first bracket, and multiple branch openings at the bottom of the diversion pipe are respectively fixedly connected to the tops of multiple mixing drums.

[0017] As a further solution of the present invention, a first guide shaft and a second guide shaft are fixedly installed on the top of the cover plate, and the first guide shaft and the second guide shaft are respectively arranged above the two avoidance openings, and the two adapter blocks are respectively slidably sleeved on the surfaces of the first guide shaft and the second guide shaft, and the interior of the first guide shaft is a hollow structure with an open top, a screw rod is rotatably installed in the first guide shaft, a slider is threadedly sleeved on the surface of the screw rod, and the slider is slidably installed in the first guide shaft, the top of the slider is fixedly installed on the adapter block, and a servo motor is fixedly installed on one side of the top of the cover plate, and the output end of the servo motor is fixedly installed on one end of the screw rod through a connecting shaft.

[0018] As a further solution of the present invention, a second bracket is fixedly installed in the middle of the top of the first bracket, a three-way solenoid valve is fixedly installed in the middle of the top of the second bracket, the bottom port of the three-way solenoid valve is connected with the inside of the diversion pipe through a pipe, a water pump and a suction fan are fixedly installed on the top of the second bracket, the water outlet of the water pump is connected with one port of the three-way solenoid valve through a water pipe, the water inlet end of the water pump is connected with an external water supply equipment through a flexible water pipe, the other port of the three-way solenoid valve is fixedly installed with the air inlet end of the suction fan through a pipe, and the air outlet end of the suction fan is connected with the external air.

[0019] As a further solution of the present invention, two water inlet pipes are fixedly installed on one side of the purification box, one end of the two water inlet pipes are connected to the wastewater collection equipment and the other end passes through the purification box and is connected to the purification area. A water outlet pipe is fixedly installed on one side of the top of the cover plate, one end of the water outlet pipe is connected to the transition zone in the purification box and the other end is connected to other wastewater purification equipment.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] By setting a moving frame to move back and forth in the purification box, the moving frame drives the scraper block to scrape away impurities on the surface of the first screen (second screen) during the movement process, thereby ensuring the fluidity of the first screen (second screen). At the same time, as the moving frame moves, the spur gear and the rack are driven to mesh and rotate, thereby driving the mixing drum to rotate slowly. Under the action of the suction fan, the impurities floating in the purification box can approach the mixing drum, and then enter the mixing drum through the absorption holes on the surface of the mixing convex block, and are temporarily stored in the mixing drum under the obstruction of the third screen, thereby reducing the number of equipment shutdowns for maintenance and cleaning, thereby improving the working efficiency of the equipment in treating wastewater;

[0022] By setting the mud blocking block, solid impurities in the wastewater entering the purification box, such as mud and sand, can be blocked by the mud blocking block during the flow of wastewater, and then piled up at the bottom of the purification box. During the reciprocating movement of the moving frame, the bottom of the mud scraper block fits with the mud blocking block, and the mud and sand accumulated at the bottom of the purification box can be pushed to the two sides of the purification box, close to the sewage outlet, so as to facilitate centralized processing during subsequent maintenance, avoid spending a lot of time entering the purification box to clean mud and dirt, and improve the convenience of equipment maintenance and cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the structure of a wastewater treatment device proposed by the present invention;

[0024] Figure 2 A schematic diagram of a top view of a purification box of a wastewater treatment equipment proposed by the present invention;

[0025] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of part A;

[0026] Figure 4 A schematic cross-sectional view of a wastewater treatment device proposed by the present invention;

[0027] Figure 5 for Figure 4 A schematic diagram of the enlarged structure of part B;

[0028] Figure 6 A schematic cross-sectional view of a mixing drum of a wastewater treatment device proposed by the present invention;

[0029] Figure 7 for Figure 6 A schematic diagram of the enlarged structure of the middle C part;

[0030] Figure 8 This is a schematic diagram of the mobile frame structure of a wastewater treatment device proposed by the present invention.

[0031] In the figure: 1. purification box; 2. sewage door; 3. water inlet pipe; 4. water outlet pipe; 5. cover plate; 6. avoidance port; 7. servo motor; 8. first guide shaft; 9. second guide shaft; 10. rack; 11. moving frame; 12. spur gear; 13. first bracket; 14. diversion pipe; 15. water pump; 16. suction fan; 17. mixing drum; 18. first screen; 19. second screen; 20. mud blocking block; 21. slider; 22. screw rod; 23. stirring convex block; 24. overflow port; 25. electric one-way valve; 26. three-way solenoid valve; 27. third screen; 28. mud scraper block; 29. ​​inspection door; 30. second bracket. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0033] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] Reference Figure 1-Figure 8 A wastewater treatment device includes a purification box 1, in which a first screen 18 and a second screen 19 are fixedly installed, and the first screen 18 and the second screen 19 divide the purification box 1 into two purification areas and a transition area, and also includes: a cover plate 5, which is fixedly installed on the top of the purification box 1; a sludge blocking block 20, in which a plurality of sludge blocking blocks 20 are provided and linearly and evenly fixedly installed on the bottom of the two purification areas; a cleaning mechanism, in which two cleaning mechanisms are provided and respectively located in the two purification areas, and the cleaning mechanisms are used to scrape impurities accumulated on the inner wall of the purification area; a collecting mechanism, in which two collecting mechanisms are provided in each cleaning mechanism, and the collecting mechanism is used to adsorb and store impurities. The present invention provides a cleaning mechanism to drive the cleaning mechanism to move back and forth in two purification areas, thereby scraping off the impurities on the surfaces of the first screen 18 and the second screen 19, ensuring the fluidity of the first screen 18 and the second screen 19. The first screen 18 and the second screen 19 have different apertures, with the former being larger than the latter, so that the wastewater can be graded and filtered for impurities. At the same time, as the cleaning mechanism moves, it drives multiple collecting mechanisms to slowly stir in the purification box 1, thereby collecting the floating impurities in the purification box 1, reducing the number of times the equipment is shut down for maintenance and cleaning, thereby improving the working efficiency of the equipment in treating wastewater.

[0036] In this embodiment, the cleaning mechanism includes a moving frame 11, which is slidably installed at the bottom of the cover plate 5. The moving frame 11 is a U-shaped structure. A scraper block 28 is fixedly embedded on the outer surface of the moving frame 11. The scraper block 28 is a U-shaped structure and a groove that matches the mud blocking block 20 is opened at the bottom. Two opposite side surfaces of the purification box 1 are opened with two sewage outlets connected to the two purification areas. Each sewage outlet can be removably and fixedly installed with a sewage door 2. The scraper block 28 can push the impurities accumulated in the purification box 1 to the vicinity of the sewage outlet during the movement process. The collecting mechanism includes a mixing drum 17, and the interior of the mixing drum 17 is a hollow structure. A plurality of stirring protrusions 23 are fixedly installed on the surface of the mixing drum 17, and each stirring protrusion 23 has a hollow structure inside. The mixing drum 17 has a structure and is connected with the inside of the mixing drum 17. A plurality of absorption holes are provided on the surface of each mixing protrusion 23. The mixing drum 17 is rotatably installed in the moving frame 11. An overflow port 24 is provided on the surface of the mixing drum 17 near the top. An electric one-way valve 25 is installed in the overflow port 24. A third screen 27 is detachably fixedly installed in the mixing drum 17. An inspection port is provided at the bottom of the mixing drum 17. An inspection door 29 is hinged in the inspection port. The top of each mixing drum 17 passes through the outer surface of the corresponding moving frame 11. A spur gear 12 is fixedly sleeved on the outer surface of the top of each mixing drum 17. The top of each mixing drum 17 is an open structure. A plurality of racks 10 are fixedly installed on the top of the cover plate 5. The plurality of racks 10 are respectively meshed with the plurality of spur gears 12.

[0037] When in use, the moving frame 11 is set to move back and forth in the purification box 1. During the movement process, the moving frame 11 drives the scraper block 28 to scrape away impurities on the surface of the first screen 18 (the second screen 19), thereby ensuring the fluidity of the first screen 18 (the second screen 19). At the same time, as the moving frame 11 moves, the spur gear 12 is driven to mesh with the rack 10 and rotate, thereby driving the mixing drum 17 to rotate slowly, so that the impurities floating in the purification box 1 can approach the mixing drum 17, and then enter the mixing drum 17 through the absorption holes on the surface of the mixing protrusion 23, and are temporarily stored in the mixing drum 17 under the obstruction of the third screen 27, thereby reducing The number of times the equipment is shut down for maintenance and cleaning is reduced, thereby improving the working efficiency of the equipment in treating wastewater. By setting the mud blocking block 20, solid impurities in the wastewater entering the purification box 1, such as mud and sand, can be blocked by the mud blocking block 20 during the flow of wastewater, and then piled up at the bottom of the purification box 1. During the reciprocating movement of the moving frame 11, the bottom of the mud scraping block 28 fits with the mud blocking block 20, and then the mud and sand accumulated at the bottom of the purification box 1 can be pushed to the two sides of the purification box 1, close to the sewage outlet, so as to facilitate centralized treatment during subsequent maintenance, avoid spending a lot of time entering the purification box 1 to clean mud and dirt, and improve the convenience of equipment maintenance and cleaning.

[0038] In this embodiment, a transfer block is provided on the top of each movable frame 11, and two avoidance openings 6 are provided on the top of the cover plate 5. The tops of the two transfer blocks pass through the corresponding avoidance openings 6 and a first bracket 13 is fixedly installed between the two. A shunt pipe 14 is fixedly installed on the top of the first bracket 13. Multiple branch openings at the bottom of the shunt pipe 14 are respectively fixedly connected to the tops of multiple mixing drums 17. A first guide shaft 8 and a second guide shaft 9 are fixedly installed on the top of the cover plate 5. The first guide shaft 8 and the second guide shaft 9 are respectively arranged above the two avoidance openings 6. The two transfer blocks are respectively slidably sleeved on the surfaces of the first guide shaft 8 and the second guide shaft 9. The interior of the first guide shaft 8 is hollow and the top is open. A screw rod 22 is rotatably installed in the first guide shaft 8. A slider 21 is threadedly sleeved on the surface of the screw rod 22. The slider 21 is slidably installed in the first guide shaft 8. The top of the slider 21 is fixedly installed with the transfer block. A servo motor 7 is fixedly installed on one side of the top of the cover plate 5. The output end of the servo motor 7 is connected to the The connecting shaft is fixedly installed with one end of the screw rod 22, a second bracket 30 is fixedly installed in the middle of the top of the first bracket 13, a three-way solenoid valve 26 is fixedly installed in the middle of the top of the second bracket 30, and the bottom port of the three-way solenoid valve 26 is connected to the inside of the diversion pipe 14 through a pipeline, a water pump 15 and a suction fan 16 are fixedly installed on the top of the second bracket 30, the water outlet of the water pump 15 is connected to one end of the three-way solenoid valve 26 through a water pipe, the water inlet end of the water pump 15 is connected to the external water supply equipment through a flexible water pipe, the other end of the three-way solenoid valve 26 is fixedly installed with the air inlet end of the suction fan 16 through a pipeline, and the air outlet end of the suction fan 16 is connected to the external air, two water inlet pipes 3 are fixedly installed on one side of the purification box 1, one end of the two water inlet pipes 3 is connected to the wastewater collection equipment, and the other end passes through the purification box 1 and is connected to the purification area, and a water outlet pipe 4 is fixedly installed on one side of the top of the cover plate 5, one end of the water outlet pipe 4 is connected to the transition zone in the purification box 1 and the other end is connected to other wastewater purification equipment.

[0039] When in use, the stored wastewater is introduced into the purification box 1 through the water inlet pipe 3, and then passed through the first screen 18 and the second screen 19 for graded screening to remove obvious impurities in the wastewater, and then flows into the transition zone, and is connected to other wastewater treatment equipment through the outlet pipe 4 to carry out the next purification process. When the wastewater flows through the purification box 1, the servo motor 7 is started to drive the screw rod 22 to rotate, and the screw rod 22 drives the slider 21 to slide in the first guide shaft 8, and the two moving frames 11 are connected through the first bracket 13, thereby driving the two moving frames 11 to slide back and forth along the first guide shaft 8 and the second guide shaft 9 respectively. The scraper block 28 embedded on the surface of the moving frame 11 can push the impurities of the first screen 18, the second screen 19 and the bottom of the purification box 1 to accumulate near the sewage outlet, and the floating impurities are collected by the collection mechanism;

[0040] The overflow port 24 provided in the mixing drum 17 is higher than the liquid level of the wastewater in the purification box 1. During the purification process, the suction fan 16 is started at the same time, and the three-way solenoid valve 26 is controlled so that the air inlet end of the suction fan 16 is connected to the diversion pipe 14. At the same time, the electric one-way valve 25 is started so that the overflow port 24 can only flow out but not in. Under the action of the suction fan 16, the mixing drum 17 can be better assisted to suck the impurities suspended in the wastewater into the mixing drum 17. The wastewater entering the mixing drum 17 under the action of suction flows out from the overflow port 24 after passing through the third screen 27, thereby improving the efficiency of the equipment in collecting impurities and purifying wastewater.

[0041] In this embodiment, sealing strips are provided around the plurality of sewage doors 2 and the inspection door 29 to improve the sealing performance in the closed state. By setting the water pump 15, when the equipment needs to be maintained, the electric one-way valve 25 is closed, and the three-way solenoid valve 26 is controlled to connect the water pump 15 with the shunt pipe 14. The water pump 15 delivers water for cleaning the purification box 1 to the shunt pipe 14, and then to each mixing drum 17, and then is discharged from the absorption hole of the mixing protrusion 23. With the reciprocating movement of the moving frame 11, the clean water can be sprayed into the purification box 1 for cleaning the purification box 1. Before flushing, the sewage door 2 is opened to clean up the solid impurities such as mud and dirt, and then flushing is performed. The inspection door 29 is opened to replace the third screen 27, thereby improving the convenience of equipment use.

[0042] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A wastewater treatment device, comprising a purification box (1), wherein a first screen (18) and a second screen (19) are fixedly installed in the purification box (1), wherein the first screen (18) and the second screen (19) divide the purification box (1) into two purification zones and a transition zone, wherein: Also includes: A cover plate (5), wherein the cover plate (5) is fixedly mounted on the top of the purification box (1); Mud blocking blocks (20), wherein a plurality of the mud blocking blocks (20) are provided and are linearly and evenly fixedly installed at the bottom of the two purification zones; A cleaning mechanism, wherein two cleaning mechanisms are provided and are respectively located in two purification zones, and the cleaning mechanisms are used to scrape impurities accumulated on the inner wall of the purification zone; A collecting mechanism, each of the cleaning mechanisms is provided with two collecting mechanisms, and the collecting mechanisms are used to absorb and store floating impurities in the wastewater; The cleaning mechanism comprises a movable frame (11), the movable frame (11) being slidably mounted on the bottom of the cover plate (5), the movable frame (11) being of a U-shaped structure, a mud scraping block (28) being fixedly embedded on the outer surface of the movable frame (11), the mud scraping block (28) being of a U-shaped structure and having a groove at the bottom thereof adapted to the mud blocking block (20), the collecting mechanism comprising a mixing drum (17), the interior of the mixing drum (17) being of a hollow structure, a plurality of mixing drums (17) being fixedly mounted on the surface of the mixing drum (17) The stirring drum (17) is provided with a plurality of convex blocks (23), each of the stirring convex blocks (23) having a hollow structure inside and communicating with the inside of the stirring drum (17), a plurality of absorption holes being provided on the surface of each stirring convex block (23), the stirring drum (17) being rotatably mounted in the movable frame (11), the stirring drum (17) being provided with an overflow port (24) near the top surface, an electric one-way valve (25) being installed in the overflow port (24), a third screen (27) being detachably fixedly installed in the stirring drum (17), the stirring drum (17) being provided with a plurality of absorbing holes being provided on the surface of the stirring drum (17) and ... An inspection opening is provided at the bottom of the mixing drum (17), and an inspection door (29) is hingedly connected to the inspection opening. The top of each mixing drum (17) passes through the outer surface of the corresponding moving frame (11). A spur gear (12) is fixedly sleeved on the outer surface of the top of each mixing drum (17). The top of each mixing drum (17) is an open structure. A plurality of racks (10) are fixedly mounted on the top of the cover plate (5). The plurality of racks (10) are respectively meshed with the plurality of spur gears (12). The moving frame (11 ) reciprocates in the purification box (1) to drive the scraper block (28) to scrape away impurities on the surfaces of the first screen (18) and the second screen (19). As the moving frame (11) moves, the spur gear (12) and the rack (10) are meshed and rotated, thereby driving the mixing drum (17) to rotate slowly, so that the impurities floating in the purification box (1) pass through the absorption holes on the surface of the mixing protrusion (23) and enter the mixing drum (17), and are temporarily stored in the mixing drum (17) under the obstruction of the third screen (27).

2. A wastewater treatment equipment according to claim 1, characterized in that: Two sewage outlets connected to the two purification areas are provided on two opposite side surfaces of the purification box (1), and each sewage outlet is detachably and fixedly provided with a sewage door (2). The scraper block (28) pushes the impurities accumulated in the purification box (1) toward the vicinity of the sewage outlet during the movement.

3. A wastewater treatment equipment according to claim 2, characterized in that: A transfer block is provided at the top of each movable frame (11), two avoidance openings (6) are provided at the top of the cover plate (5), the tops of the two transfer blocks pass through the corresponding avoidance openings (6), and a first bracket (13) is fixedly installed between the two, a flow distribution pipe (14) is fixedly installed at the top of the first bracket (13), and a plurality of branch openings at the bottom of the flow distribution pipe (14) are respectively fixedly connected to the tops of a plurality of mixing drums (17).

4. A wastewater treatment equipment according to claim 3, characterized in that: A first guide shaft (8) and a second guide shaft (9) are fixedly mounted on the top of the cover plate (5). The first guide shaft (8) and the second guide shaft (9) are respectively arranged above the two avoidance openings (6). The two adapter blocks are respectively slidably sleeved on the surfaces of the first guide shaft (8) and the second guide shaft (9). The first guide shaft (8) is hollow inside and has an open top structure. A screw rod (22) is rotatably mounted inside the first guide shaft (8). A slider (21) is threadedly sleeved on the surface of the screw rod (22). The slider (21) is slidably mounted inside the first guide shaft (8). The top of the slider (21) is fixedly mounted on the adapter block. A servo motor (7) is fixedly mounted on one side of the top of the cover plate (5). The output end of the servo motor (7) is fixedly mounted on one end of the screw rod (22) via a connecting shaft.

5. A wastewater treatment equipment according to claim 4, characterized in that: A second bracket (30) is fixedly mounted in the middle of the top of the first bracket (13); a three-way solenoid valve (26) is fixedly mounted in the middle of the top of the second bracket (30); a bottom port of the three-way solenoid valve (26) is connected to the inside of the diversion pipe (14) through a pipe; a water pump (15) and a suction fan (16) are fixedly mounted on the top of the second bracket (30); a water outlet of the water pump (15) is connected to one end of the three-way solenoid valve (26) through a water pipe; a water inlet end of the water pump (15) is connected to an external water supply device through a flexible water pipe; the other end of the three-way solenoid valve (26) is fixedly mounted to an air inlet end of the suction fan (16) through a pipe; and an air outlet end of the suction fan (16) is connected to external air.

6. A wastewater treatment equipment according to claim 1, characterized in that: Two water inlet pipes (3) are fixedly mounted on one side of the purification box (1), one end of the two water inlet pipes (3) being connected to the wastewater collection equipment and the other end passing through the purification box (1) and being connected to the purification area; a water outlet pipe (4) is fixedly mounted on one side of the top of the cover plate (5), one end of the water outlet pipe (4) being connected to the transition area in the purification box (1) and the other end being connected to other wastewater purification equipment.

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