Chemical deep phosphorus removal device based on membrane separation

Abstract

The invention discloses a membrane separation-based chemical deep dephosphorization device, which comprises a pretreatment grit chamber and an adjusting moving mechanism, the adjusting moving mechanism is located at the lower end of the pretreatment grit chamber, one side of the pretreatment grit chamber is fixedly connected with an adjusting tank, one side of the adjusting tank is fixedly connected with a biological treatment tank, and the other side of the biological treatment tank is fixedly connected with a membrane separation tank. One side of the biological treatment tank is fixedly connected with a membrane separation controller. According to the chemical deep phosphorus removal device based on membrane separation, through the arrangement of the adjusting moving mechanism and the flushing mechanism, the interiors of the pretreatment grit chamber, the adjusting tank, the chemical phosphorus removal tank and the mud-water separation tank can be automatically cleaned, the frequency and complexity of manual operation are reduced, the labor cost is saved, and the working efficiency is improved. The system failure risk caused by human errors is reduced, regular flushing is achieved, system performance reduction caused by internal pollution of equipment is avoided, and it is ensured that impurity pollutants in wastewater can be efficiently intercepted and removed.

Description

Technical Field

[0001] The invention relates to the technical field of membrane separation and phosphorus removal, and in particular to a chemical deep phosphorus removal device based on membrane separation. Background Art

[0002] The membrane separation chemical deep phosphorus removal device is a highly efficient sewage treatment equipment that combines membrane separation technology and chemical phosphorus removal methods. The device is mainly used to remove phosphorus from sewage to prevent eutrophication of water bodies. It uses microfiltration membranes, ultrafiltration membranes or membrane bioreactors to further remove suspended matter and part of the phosphorus in sewage. It is a highly efficient sewage treatment solution that integrates multiple advanced technologies and is suitable for various occasions that require deep phosphorus removal.

[0003] Common chemical deep phosphorus removal devices are usually not equipped with flushing devices when in use, and need to be cleaned manually. The manual cleaning speed is relatively slow, and continuous and efficient cleaning cannot be achieved, which may lead to pollution accumulation and affect the normal operation of the device. At the same time, frequent operations are required, which increases labor intensity and labor costs. Manual operations are difficult to effectively remove these pollutants, and the pollution will be more serious, affecting the permeability and separation efficiency of the device, which has brought certain adverse effects on people's use process. For this reason, we propose a chemical deep phosphorus removal device based on membrane separation. Summary of the invention

[0004] Technical problem to be solved: In view of the shortcomings of the prior art, the present invention provides a chemical deep phosphorus removal device based on membrane separation, which has the advantages of automatic cleaning, improved processing efficiency, reduced manual intervention and pollution prevention. Through the arranged adjusting and moving mechanism and flushing mechanism, the interior of the pretreatment grit tank, regulating tank, chemical phosphorus removal tank and mud-water separation tank can be automatically cleaned, reducing the frequency and complexity of manual operation, which not only saves labor costs, but also reduces the risk of system failure due to human errors. Regular flushing can avoid system performance degradation due to internal pollution of the equipment, and ensure that impurities and pollutants in the wastewater can be efficiently intercepted and removed, which helps to maintain the high processing efficiency of the system and ensure that the effluent water quality meets the standards, which can effectively solve the problems in the background technology.

[0005] Technical solution: To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a chemical deep phosphorus removal device based on membrane separation, comprising a pretreatment grit tank and an adjusting movable mechanism, the adjusting movable mechanism is located at the lower end of the pretreatment grit tank, one side of the pretreatment grit tank is fixedly connected with an adjusting tank, one side of the adjusting tank is fixedly connected with a biological treatment tank, one side of the biological treatment tank is fixedly connected with a membrane separation controller, one side of the membrane separation controller is fixedly connected with a chemical phosphorus removal tank, one side of the chemical phosphorus removal tank is fixedly connected with a mud-water separation tank, one side of the adjusting movable mechanism is positioned and installed with a flushing mechanism, the adjusting movable mechanism comprises a control base, a movable control slot, a control motor, an adjusting rod, an N-type movable bracket, a movable block, a through threaded hole, a control cylinder and a lifting piston rod.

[0006] Preferably, the movable control slot is opened on both sides of the upper end of the control base, the control motors are located on both sides of one end of the control base, and the adjustment rod is located on the inner side of the movable control slot.

[0007] Preferably, the moving blocks are located on both sides of the lower end of the N-type moving bracket, the through threaded holes are opened on the moving blocks, the control cylinder is located in the middle of the upper end of the N-type moving bracket, and the lifting piston rod is located on the inner wall of the control cylinder.

[0008] Preferably, one end of the control motor is fixed to both sides of one end of the control base by bolts, and one end of the adjustment rod passes through the inner side of the movable control slot and is connected to the control motor.

[0009] Preferably, the upper ends of the moving blocks are fixedly connected to both sides of the lower end of the N-type moving bracket, the moving blocks are sleeved on the outer wall of the adjusting rod through a threaded hole, the lower end of the control cylinder is fixedly connected to the middle part of the upper end of the N-type moving bracket, and the upper end of the lifting piston rod penetrates the inner wall of the N-type moving bracket and is movably connected to the inner wall of the control cylinder.

[0010] Preferably, the flushing mechanism includes a connecting base, a cleaning water tank, a controlled water outlet pump, a suction pipe, a water outlet connecting pipe, a transmission downpipe, a filter, a water outlet control frame, an inlet hole, a cleaning brush and a self-rotating flushing nozzle, the cleaning water tank is located at the upper end of the connecting base, the controlled water outlet pump is located at the upper end of the cleaning water tank, and the suction pipe is located at the lower end of the controlled water outlet pump and is located inside the cleaning water tank.

[0011] Preferably, the transmission downpipe is located on the inner wall of the N-type movable bracket, the water outlet connecting pipe is located between the control water outlet pump and the transmission downpipe, the filter is located between the transmission downpipe and the water outlet control frame, the inlet hole is opened on one side of the upper end of the water outlet control frame, the cleaning brush is located on the outer wall of the water outlet control frame, and the self-rotating flushing nozzles are located at the lower end of the water outlet control frame and are evenly arranged.

[0012] Preferably, one side of the connecting base is fixedly connected to one side of the N-type movable bracket, the lower end of the cleaning water tank is fixedly connected to the upper end of the connecting base, the lower end of the control water outlet pump is fixedly connected to the upper end of the cleaning water tank, the upper end of the suction pipe passes through the inner wall of the cleaning water tank and is connected to the control water outlet pump, the outer wall of the transmission downpipe passes through the inner wall of the N-type movable bracket and is movable, and the two ends of the water outlet connecting pipe are respectively fixedly connected to the upper ends of the control water outlet pump and the transmission downpipe.

[0013] Preferably, the lower end of the transmission sewer pipe is fixed to the upper end of the filter by means of threads, the lower end of the filter is positioned with the water outlet control frame through an entry hole, the rear end of the cleaning brush is fixedly connected to the outer wall of the water outlet control frame, and the upper end of the self-rotating flushing nozzle passes through the inner wall of the lower end of the water outlet control frame and is fixed.

[0014] Beneficial effects: Compared with the prior art, the present invention provides a chemical deep phosphorus removal device based on membrane separation, which has the following beneficial effects:

[0015] 1. A chemical deep dephosphorization device based on membrane separation has an adjusting moving mechanism, a moving block is sleeved on the outer wall of the adjusting rod through a threaded hole, and a control motor drives the adjusting rod to rotate on the inner side of the moving control groove, which can drive the moving block to move on the outer wall of the adjusting rod, thereby driving the N-type moving bracket to move, and a control cylinder drives the lifting piston rod to drive the flushing mechanism to lift and lower, so as to clean the interior of the pretreatment sand settling tank, the regulating tank, the chemical dephosphorization tank and the mud-water separation tank, thereby reducing the frequency and complexity of manual operation, which not only saves labor costs, but also reduces the risk of system failure caused by human errors. The position can also be adjusted as needed to ensure that each area can be fully flushed to avoid incomplete flushing, thereby improving the versatility and adaptability of the equipment, facilitating cleaning and maintenance, reducing the maintenance cost and downtime of the equipment, and moving it aside when not in use, saving space occupied by the equipment and improving the utilization rate of the workplace.

[0016] 2. This kind of chemical deep phosphorus removal device based on membrane separation, through the flushing mechanism set up, controls the water outlet pump to extract the water inside the cleaning water tank through the suction pipe, and transmits it to the inner side of the transmission downpipe through the water outlet connecting pipe. The water inside the transmission downpipe enters the inside of the water outlet control frame after being filtered by the filter, and the cleaning water is filtered to prevent impurities from clogging the self-rotating flushing nozzle, and then the self-rotating flushing nozzle is used for spraying and cleaning. The flushing is carried out regularly, and the surface of each pool can be scrubbed with a cleaning brush while flushing. The lifting piston rod connected to the control cylinder can be driven by the water outlet control frame to move up and down, which can drive the cleaning brush to scrub the inner wall of the pool, thereby enhancing the cleaning effect. Through more effective flushing, it can be ensured that it is always in the best working state. state, improve the phosphorus removal effect and treatment efficiency. Through more thorough and uniform flushing, the pollution and blockage of each pool can be reduced, and the service life of the equipment can be extended. Regular flushing of the device can remove sediments and pollutants inside the equipment, reduce equipment wear and corrosion, thereby extending the service life of the equipment, help remove residues and impurities inside the equipment, maintain the good operating condition of the equipment, improve phosphorus removal efficiency and effect, reduce pollution and blockage inside the equipment, reduce the amount of chemical agents and cleaning frequency, thereby reducing operating costs, avoid system performance degradation due to internal pollution of the equipment, ensure that the effluent water quality is stable and meets the standards, effectively remove pollutants inside the equipment, prevent pollutants from accumulating and breeding inside the equipment, and reduce the risk of secondary pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The figure is a schematic diagram of the overall structure of a chemical deep phosphorus removal device based on membrane separation according to the present invention.

[0018] Figure 2 The present invention is a partial structural schematic diagram of a pretreatment grit chamber and an adjusting and moving mechanism in a chemical deep phosphorus removal device based on membrane separation.

[0019] Figure 3 The present invention is a partial structural schematic diagram of a flushing mechanism in a chemical deep phosphorus removal device based on membrane separation.

[0020] Figure 4 The present invention is a schematic diagram of partial structural decomposition of a flushing mechanism in a chemical deep phosphorus removal device based on membrane separation.

[0021] Figure 5 The present invention is a partial structural schematic diagram of an adjusting and moving mechanism in a chemical deep phosphorus removal device based on membrane separation.

[0022] Figure 6 The present invention is a partial structural schematic diagram of a flushing mechanism in a chemical deep phosphorus removal device based on membrane separation.

[0023] In the figure: 1. Pretreatment sand settling tank; 2. Adjustment tank; 3. Adjustment moving mechanism; 4. Biological treatment tank; 5. Flushing mechanism; 6. Membrane separation controller; 7. Chemical phosphorus removal tank; 8. Mud and water separation tank; 301. Control base; 302. Mobile control slot; 303. Control motor; 304. Adjustment rod; 305. N-type mobile bracket; 306. Moving block; 307. Through threaded hole; 308. Control cylinder; 309. Lifting piston rod; 501. Connecting base; 502. Cleaning water tank; 503. Control water outlet pump; 504. Suction pipe; 505. Water outlet connecting pipe; 506. Transmission downpipe; 507. Filter; 508. Water outlet control frame; 509. Inlet hole; 510. Cleaning brush; 511. Self-rotating flushing nozzle. DETAILED DESCRIPTION

[0024] 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.

[0025] like Figure 1-6 As shown, a chemical deep phosphorus removal device based on membrane separation includes a pretreatment grit chamber 1 and an adjusting movable mechanism 3, the adjusting movable mechanism 3 is located at the lower end of the pretreatment grit chamber 1, one side of the pretreatment grit chamber 1 is fixedly connected with an adjusting tank 2, one side of the adjusting tank 2 is fixedly connected with a biological treatment tank 4, one side of the biological treatment tank 4 is fixedly connected with a membrane separation controller 6, one side of the membrane separation controller 6 is fixedly connected with a chemical phosphorus removal tank 7, one side of the chemical phosphorus removal tank 7 is fixedly connected with a mud-water separation tank 8, a flushing mechanism 5 is positioned and installed on one side of the adjusting movable mechanism 3, the adjusting movable mechanism 3 includes a control base 301, a movable control slot 302, a control motor 303, an adjusting rod 304, an N-type movable bracket 305, a movable block 306, a through threaded hole 307, a control cylinder 308 and a lifting piston rod 309, which can be automatically moved and adjusted, reducing the frequency and complexity of manual operation, which not only saves labor costs, but also reduces the risk of system failure due to human errors.

[0026] Furthermore, the movable control groove 302 is opened on both sides of the upper end of the control base 301, and the control motors 303 are located on both sides of one end of the control base 301. The adjusting rod 304 is located on the inner side of the movable control groove 302 to play a control and adjustment role. The control motor 303 drives the adjusting rod 304 to rotate on the inner side of the movable control groove 302, and can drive the movable block 306 to move on the outer wall of the adjusting rod 304.

[0027] Furthermore, the moving blocks 306 are located on both sides of the lower end of the N-type moving bracket 305, and the threaded holes 307 are opened on the moving blocks 306. The control cylinder 308 is located in the middle of the upper end of the N-type moving bracket 305. The lifting piston rod 309 is located on the inner wall of the control cylinder 308. The control cylinder 308 can drive the lifting piston rod 309 to move up and down. The lifting piston rod 309 connected by the control cylinder 308 can drive the water outlet control frame 508 to move up and down, which can drive the cleaning brush 510 to scrub the inner wall of the pool, thereby enhancing the cleaning effect.

[0028] Furthermore, one end of the control motor 303 is fixed to both sides of one end of the control base 301 by bolts, one end of the adjusting rod 304 passes through the inner side of the movable control groove 302 and is connected to the control motor 303, the control motor 303 drives the adjusting rod 304 to rotate on the inner side of the movable control groove 302, thereby driving the N-type movable bracket 305 to move, and the control cylinder 308 drives the lifting piston rod 309 to drive the flushing mechanism 5 to lift and lower, so as to clean the interior of the pretreatment sand settling tank 1, the regulating tank 2, the chemical phosphorus removal tank 7 and the mud-water separation tank 8.

[0029] Furthermore, the upper ends of the moving blocks 306 are fixedly connected to both sides of the lower ends of the N-type moving brackets 305, the moving blocks 306 are sleeved on the outer wall of the adjusting rod 304 by penetrating the threaded holes 307, the lower end of the control cylinder 308 is fixedly connected to the middle of the upper end of the N-type moving bracket 305, the upper end of the lifting piston rod 309 penetrates the inner wall of the N-type moving bracket 305 and is movably connected to the inner wall of the control cylinder 308, the control cylinder 308 drives the lifting piston rod 309 to move up and down, thereby driving the lifting of the water outlet control frame 508, and controlling the cleaning brush 510 to scrub the inner wall of the pool. Through more effective flushing, it can be ensured that it is always in the best working state, improve the phosphorus removal effect and treatment efficiency, and through more thorough and uniform flushing, reduce the pollution and blockage of each pool.

[0030] Furthermore, the flushing mechanism 5 includes a connecting base 501, a cleaning water tank 502, a control water outlet pump 503, a suction pipe 504, a water outlet connecting pipe 505, a transmission downpipe 506, a filter 507, a water outlet control frame 508, an inlet hole 509, a cleaning brush 510 and a self-rotating flushing nozzle 511. The cleaning water tank 502 is located at the upper end of the connecting base 501, the control water outlet pump 503 is located at the upper end of the cleaning water tank 502, and the suction pipe 504 is located at the control water outlet pump 5 03 is located at the lower end and inside the cleaning water tank 502. The water outlet pump 503 is controlled to extract the water inside the cleaning water tank 502 through the suction pipe 504, and is transmitted to the inner side of the transmission downpipe 506 through the water outlet connecting pipe 505. The water inside the transmission downpipe 506 is filtered through the filter 507 and then enters the inside of the water outlet control frame 508 to filter the cleaning water to prevent impurities from clogging the self-rotating flushing nozzle 511, and then the self-rotating flushing nozzle 511 is used for spraying and cleaning.

[0031] Furthermore, the transmission downpipe 506 is located on the inner wall of the N-shaped mobile bracket 305, the water outlet connecting pipe 505 is located between the control water outlet pump 503 and the transmission downpipe 506, the filter 507 is located between the transmission downpipe 506 and the water outlet control frame 508, and the inlet hole 509 is opened on one side of the upper end of the water outlet control frame 508. The cleaning brush 510 is located on the outer wall of the water outlet control frame 508, and the self-rotating flushing nozzle 511 is evenly arranged at the lower end of the water outlet control frame 508, which can be used for rotary spray cleaning. The water in the water outlet control frame 508 is used to flush the inside of each pool through the self-rotating flushing nozzle 511, which can reduce the pollution and blockage of each pool, extend the service life of the equipment, avoid the degradation of system performance due to internal pollution of the equipment, and ensure that the outlet water quality is stable and meets the standards.

[0032] Furthermore, one side of the connecting base 501 is fixedly connected to one side of the N-type movable bracket 305, the lower end of the cleaning water tank 502 is fixedly connected to the upper end of the connecting base 501, the lower end of the control water outlet pump 503 is fixedly connected to the upper end of the cleaning water tank 502, the upper end of the suction pipe 504 passes through the inner wall of the cleaning water tank 502 and is connected to the control water outlet pump 503, the outer wall of the transmission downpipe 506 passes through the inner wall of the N-type movable bracket 305 and moves, and the two ends of the water outlet connecting pipe 505 are respectively fixedly connected to the upper ends of the control water outlet pump 503 and the transmission downpipe 506, playing the role of connecting and transmitting, and the water inside the cleaning water tank 502 is pumped out by controlling the water outlet pump 503, and transmitted to the transmission downpipe 506 through the water outlet connecting pipe 505, and then filtered in the filter 507, and the filtered water is transmitted to the self-rotating flushing nozzle 511 through the water outlet control frame 508 for spraying.

[0033] Furthermore, the lower end of the transmission sewer pipe 506 is fixed to the upper end of the filter 507 by means of threads, the lower end of the filter 507 is positioned with the water outlet control frame 508 through the entry hole 509, the rear end of the cleaning brush 510 is fixedly connected to the outer wall of the water outlet control frame 508, and the upper end of the self-rotating flushing nozzle 511 passes through the inner wall of the lower end of the water outlet control frame 508 and is fixed, thereby enhancing firmness, facilitating positioning, and facilitating subsequent disassembly and assembly for maintenance.

[0034] Working principle: A chemical deep phosphorus removal device based on membrane separation, including a pretreatment sedimentation tank 1, a regulating tank 2, a regulating movement mechanism 3, a biological treatment tank 4, a flushing mechanism 5, a membrane separation controller 6, a chemical phosphorus removal tank 7 and a mud-water separation tank 8. The pretreatment sedimentation tank 1 can be used for preliminary pretreatment, and the heavier inorganic particles can be removed through the internal grille. The regulating tank 2 can adjust the water volume and water quality to ensure the stable operation of the subsequent treatment unit. The biological treatment tank 4 contains an anaerobic tank, an anoxic tank and an aerobic tank to treat the water quality. The anaerobic tank releases phosphorus under anaerobic conditions through polyphosphate bacteria, and the anoxic tank then performs a denitrification process. Finally, the polyphosphate bacteria absorb phosphorus under aerobic conditions, and then the membrane separation controller 6 performs solid-liquid separation. The membrane separation controller 6 The interior of the device uses a microfiltration membrane, an ultrafiltration membrane or a nanofiltration membrane to remove suspended matter and some soluble substances. Chemical agents (such as iron salts and aluminum salts) are added to the sewage through a chemical dephosphorization tank 7 to generate insoluble phosphate precipitates. The mud-water separation tank 8 is then used to further remove suspended matter and chemical sludge to ensure the quality of the effluent. The treated water meets the discharge standard and can be directly discharged or reused. After the device is used, it is necessary to clean it regularly. Through the adjustment moving mechanism 3, the moving block 306 is sleeved on the outer wall of the adjusting rod 304 through the threaded hole 307. The control motor 303 drives the adjusting rod 304 to rotate on the inner side of the moving control groove 302, which can drive the moving block 306 to move on the outer wall of the adjusting rod 304, thereby driving the N-type moving bracket 3 05 is moved, and the control cylinder 308 drives the lifting piston rod 309 to drive the flushing mechanism 5 to lift and lower, so as to clean the interior of the pre-treatment sand settling tank 1, the regulating tank 2, the chemical dephosphorization tank 7 and the mud-water separation tank 8, thereby reducing the frequency and complexity of manual operation, which not only saves labor costs, but also reduces the risk of system failure due to human errors. The position can also be adjusted as needed to ensure that each area can be fully flushed to avoid incomplete flushing, improve the versatility and adaptability of the equipment, facilitate cleaning and maintenance, reduce the maintenance cost and downtime of the equipment, and move it aside when it is not needed, saving the space occupied by the equipment and improving the utilization rate of the workplace. Through the provided flushing mechanism 5, the water outlet pump 503 is controlled to pass through the suction pipe 5 04 The water inside the cleaning water tank 502 can be pumped out and transmitted to the inner side of the transmission downpipe 506 through the water outlet connecting pipe 505. The water inside the transmission downpipe 506 is filtered through the filter 507 and then enters the inside of the water outlet control frame 508 to filter the cleaning water to prevent impurities from clogging the self-rotating flushing nozzle 511. The self-rotating flushing nozzle 511 is then used for spraying and cleaning. Rinse regularly. While flushing, the surface of each pool can be scrubbed by the cleaning brush 510. The lifting piston rod 309 connected to the control cylinder 308 can drive the water outlet control frame 508 to move up and down, which can drive the cleaning brush 510 to scrub the inner wall of the pool, thereby enhancing the cleaning effect. Through more effective flushing, it can be ensured that it is always in the best working condition.Improve the phosphorus removal effect and treatment efficiency. Through more thorough and uniform flushing, the pollution and blockage of each pool can be reduced, and the service life of the equipment can be extended. Regular flushing of the device can remove sediments and pollutants inside the equipment, reduce equipment wear and corrosion, thereby extending the service life of the equipment, help remove residues and impurities inside the equipment, keep the equipment in good operating condition, improve phosphorus removal efficiency and effect, reduce pollution and blockage inside the equipment, reduce the amount of chemical agents and cleaning frequency, thereby reducing operating costs, avoid system performance degradation caused by internal pollution of the equipment, ensure the stability of the effluent water quality, effectively remove pollutants inside the equipment, prevent pollutants from accumulating and breeding inside the equipment, and reduce the risk of secondary pollution.

[0035] It should be noted that, in this article, relational terms such as first and second (number one, number two), 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. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0036] 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 chemical deep phosphorus removal device based on membrane separation, comprising a pretreatment grit chamber (1) and an adjustment and movement mechanism (3), characterized in that: The regulating and moving mechanism (3) is located at the lower end of the pretreatment grit chamber (1); one side of the pretreatment grit chamber (1) is fixedly connected to a regulating tank (2); one side of the regulating tank (2) is fixedly connected to a biological treatment tank (4); one side of the biological treatment tank (4) is fixedly connected to a membrane separation controller (6); one side of the membrane separation controller (6) is fixedly connected to a chemical phosphorus removal tank (7); one side of the chemical phosphorus removal tank (7) is fixedly connected to a mud-water separation tank (8); a flushing mechanism (5) is positioned and installed on one side of the regulating and moving mechanism (3); the regulating and moving mechanism (3) comprises a control base (301), a movable control slot (302), a control motor (303), an regulating rod (304), an N-type movable bracket (305), a movable block (306), a through threaded hole (307), a control cylinder (308) and a lifting piston rod (309).

2. A chemical deep dephosphorization device based on membrane separation according to claim 1, characterized in that: The movable control slot (302) is provided on both sides of the upper end of the control base (301), the control motor (303) is located on both sides of one end of the control base (301), and the adjustment rod (304) is located on the inner side of the movable control slot (302).

3. A chemical deep dephosphorization device based on membrane separation according to claim 2, characterized in that: The moving blocks (306) are located on both sides of the lower end of the N-type moving bracket (305), the through threaded holes (307) are opened on the moving blocks (306), the control cylinder (308) is located in the middle of the upper end of the N-type moving bracket (305), and the lifting piston rod (309) is located on the inner wall of the control cylinder (308).

4. A chemical deep dephosphorization device based on membrane separation according to claim 3, characterized in that: One end of the control motor (303) is fixed to both sides of one end of the control base (301) by bolts, and one end of the adjustment rod (304) passes through the inner side of the movable control slot (302) and is connected to the control motor (303).

5. A chemical deep dephosphorization device based on membrane separation according to claim 4, characterized in that: The upper ends of the moving blocks (306) are fixedly connected to the two sides of the lower end of the N-type moving bracket (305); the moving blocks (306) are sleeved on the outer wall of the adjusting rod (304) by penetrating the threaded hole (307); the lower end of the control cylinder (308) is fixedly connected to the middle part of the upper end of the N-type moving bracket (305); the upper end of the lifting piston rod (309) penetrates the inner wall of the N-type moving bracket (305) and is movably connected to the inner wall of the control cylinder (308).

6. A chemical deep dephosphorization device based on membrane separation according to claim 5, characterized in that: The flushing mechanism (5) comprises a connecting base (501), a cleaning water tank (502), a control water outlet pump (503), a suction pipe (504), a water outlet connecting pipe (505), a transmission downpipe (506), a filter (507), a water outlet control frame (508), an inlet hole (509), a cleaning brush (510) and a self-rotating flushing nozzle (511); the cleaning water tank (502) is located at the upper end of the connecting base (501); the control water outlet pump (503) is located at the upper end of the cleaning water tank (502); and the suction pipe (504) is located at the lower end of the control water outlet pump (503) and is located inside the cleaning water tank (502).

7. A chemical deep phosphorus removal device based on membrane separation according to claim 6, characterized in that: The transmission downpipe (506) is located on the inner wall of the N-shaped movable bracket (305); the water outlet connecting pipe (505) is located between the water outlet control pump (503) and the transmission downpipe (506); the filter (507) is located between the transmission downpipe (506) and the water outlet control frame (508); the inlet hole (509) is opened on one side of the upper end of the water outlet control frame (508); the cleaning brush (510) is located on the outer wall of the water outlet control frame (508); and the self-rotating flushing nozzles (511) are evenly arranged at the lower end of the water outlet control frame (508).

8. A chemical deep dephosphorization device based on membrane separation according to claim 7, characterized in that: One side of the connecting base (501) is fixedly connected to one side of the N-type movable bracket (305); the lower end of the cleaning water tank (502) is fixedly connected to the upper end of the connecting base (501); the lower end of the control water outlet pump (503) is fixedly connected to the upper end of the cleaning water tank (502); the upper end of the suction pipe (504) passes through the inner wall of the cleaning water tank (502) and is connected to the control water outlet pump (503); the outer wall of the transmission downpipe (506) passes through the inner wall of the N-type movable bracket (305) and is movable; and the two ends of the water outlet connecting pipe (505) are respectively fixedly connected to the upper ends of the control water outlet pump (503) and the transmission downpipe (506).

9. A chemical deep dephosphorization device based on membrane separation according to claim 8, characterized in that: The lower end of the transmission downpipe (506) is fixed to the upper end of the filter (507) by means of threads, the lower end of the filter (507) is positioned with the water outlet control frame (508) through an entry hole (509), the rear end of the cleaning brush (510) is fixedly connected to the outer wall of the water outlet control frame (508), and the upper end of the self-rotating flushing nozzle (511) penetrates the inner wall of the lower end of the water outlet control frame (508) and is fixed.

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