Wastewater treatment filtering device

Abstract

The utility model belongs to the related technical field of wastewater treatment, and particularly relates to a wastewater treatment filtering device which comprises a filtering tank, a filtering mechanism is arranged in the filtering tank, and a pushing mechanism is arranged above the filtering mechanism; by arranging the filtering mechanism and the material pushing mechanism, when sewage treatment is carried out, a lifting mechanism drives a first sliding block to move in a longitudinal sliding groove, so that the first sliding block drives a filtering plate to move, and the filtering plate moves to push a material pushing plate to move; second sliding blocks at the two ends of a material pushing plate are limited by inclined sliding grooves, so that a material pushing plate 902 pushes particle impurities on a filter plate to move, when the filter plate moves to the position below a slag discharging pipe, the filter plate is inclined under the limiting of the slag discharging pipe, and the material pushing plate pushes the particle impurities into the slag discharging pipe to be discharged and collected. And particle impurities can be discharged and removed more quickly, and meanwhile, the filter plate can be further cleaned.

Description

Technical Field

[0001] The utility model belongs to the technical field related to wastewater treatment, in particular to a wastewater treatment filtering device. Background Art

[0002] Wastewater treatment refers to the process of artificially treating wastewater discharged from pollution sources to reduce the total amount of pollutants in the wastewater, make the treated water meet the emission standards or environmental capacity requirements, and finally discharge the treated water into rivers, lakes or urban pipelines.

[0003] In the prior art, the wastewater treatment filtration device is composed of a box, a filtering mechanism and a stirring mechanism. When the sewage is treated and filtered, the sewage is injected into the box, and the motor in the stirring mechanism works, so that the motor drives the stirring rod to stir the sewage, so that the impurity particles will not settle, and then the impurity particles in the sewage are filtered through the filter net in the filtering mechanism.

[0004] In the current prior art, when performing sewage treatment filtration, the existing filtration device needs to regularly treat impurities on the filter plate when in use to ensure the filtration effect, which affects the wastewater treatment efficiency; therefore, a wastewater treatment filtration device is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art and solve the problem that the prior art filter device needs to regularly treat impurities on the filter plate when in use to ensure the filtering effect, which affects the wastewater treatment efficiency, a wastewater treatment filter device is proposed.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows: a wastewater treatment filter device described in the utility model comprises a filter tank; longitudinal slide grooves and oblique slide grooves are provided on both sides of the inner wall of the filter tank, a filter mechanism is slidably arranged in the longitudinal slide groove, a shaking mechanism is arranged below the filter mechanism, and a material pushing mechanism is slidably arranged in the oblique slide groove;

[0007] The filtering mechanism includes a transverse plate, which slides in a longitudinal slide groove through a first slider fixed at both ends, a traction ring is installed on the top of the first slider, a filter plate is rotatably arranged in the middle of the first slider, a first L-shaped bracket is arranged below the filter plate, the first L-shaped bracket is fixed to one side of the transverse plate, and a counterweight block is fixed to the lower part of one end of the filter plate; the shaking mechanism includes a mounting plate, which is fixed in the middle of the filter tank, a push plate is rotatably installed above the mounting plate, the push plate is located directly below the filter plate, a second L-shaped bracket is arranged below the push plate, and the second L-shaped bracket is fixed to one side of the mounting plate; the pushing mechanism includes a second slider, the second slider is slidably arranged in an oblique slide groove, a push plate is installed between the second sliders, and the push plate is located above the filter plate.

[0008] Preferably, a first transmission mechanism is installed on the outer side of the filter tank, and the first transmission mechanism includes a transmission motor, and the transmission motor is fixed on the outer side of the filter tank. A first pulley is installed on the rotating shaft of the transmission motor, and a rotating rod is provided on one side of the transmission motor. The rotating rod is rotatably arranged in the filter tank, and one end of the rotating rod extends to the outside of the filter tank, and a second pulley is installed on the outer end of the rotating rod, and a first belt is sleeved on the outer side of the second pulley and the first pulley, and a cam is fixed in the middle of the rotating rod, and the cam is located directly below the push plate. By arranging the belt and the pulley, power transmission is convenient.

[0009] Preferably, a water inlet mechanism is provided at one end of the top of the filter tank, and the water inlet mechanism includes a water inlet pipe, and the water inlet pipe is through-connected with the filter tank. A control valve is installed in the middle of the water inlet pipe, and a control gear is rotatably provided on the outside of the control valve. By setting the control valve, it is convenient to control the amount of sewage intake.

[0010] Preferably, a second transmission mechanism is installed on the top side of the filter tank, and the second transmission mechanism includes a limit sleeve, the limit sleeve is fixed on the top side of the filter tank, a sliding plate is slidably arranged in the limit sleeve, racks are installed on both ends of the sliding plate, and one rack is meshed with a control gear, a mounting block is fixed on the outside of the sliding plate, a transmission gear is rotatably installed on the upper side of the mounting block, and the transmission gear is meshed with another rack. By setting the rack, power transmission is convenient.

[0011] Preferably, a power mechanism is installed in the middle of the top of the filter tank, and the power mechanism includes a power motor, and the power motor is installed on the top of the filter tank. A third pulley is installed in the middle of the rotating shaft of the power motor, and a power gear is fixed to the top of the rotating shaft of the power motor. The power gear is meshed with a transmission gear, and the third pulley is provided with a limit block, and a screw is rotatably provided on one side of the upper part of the limit block, and a fourth pulley is installed at one end of the screw, and a second belt is mounted on the outer side of the fourth pulley and the third pulley. The split design is convenient for later disassembly and maintenance.

[0012] Preferably, a lifting mechanism is installed at the other end of the top of the filter tank, and the lifting mechanism includes a fixed frame, and the fixed frame is fixed at the other end of the top of the filter tank. A wire roller is rotatably arranged in the middle of the fixed frame, and a traction wire is wound on the wire roller. One end of the traction wire is fixed to the upper part of the traction ring, and a lifting gear is installed at the outer end of the rotating shaft of the wire roller. The lifting gear is meshed with the screw rod, and the meshing of the lifting gear and the screw rod enables the wire roller to wind the wound traction wire.

[0013] Preferably, a slag discharge pipe is connected to the upper part of one side of the filter tank, support legs are fixed at the four corners of the bottom of the filter tank, a drain pipe is connected to the middle of the bottom of the filter tank, and a control switch is slidably provided in the middle of the drain pipe. By setting the control switch, it is convenient to discharge the filtered sewage.

[0014] Beneficial effects of the utility model:

[0015] The utility model provides a wastewater treatment filter device, which is provided with a filter mechanism and a pushing mechanism. When sewage treatment is carried out, the lifting mechanism drives the first slider in the filter mechanism to move in the longitudinal slide groove, so that the first slider drives the filter plate supported by the first L-shaped bracket on the upper part to move, and the filter plate moves, so that the filter plate pushes the pushing plate in the pushing mechanism to move, and the second sliders installed at both ends of the pushing plate are limited by the inclined slide groove, so that the pushing plate 902 pushes the particulate impurities on the filter plate to move, and when the filter plate moves to the bottom of the slag discharge pipe, the filter plate is tilted by the limitation of the slag discharge pipe. During the tilting process, the pushing plate pushes the particulate impurities into the slag discharge pipe for discharge and collection. By setting the pushing plate, the particulate impurities can be discharged and removed more quickly, and the filter plate can be further cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure;

[0018] Figure 2 It is a cross-sectional view of the overall structure;

[0019] Figure 3 It is a structural front view of the water inlet mechanism, the second transmission mechanism, the lifting mechanism and the power mechanism;

[0020] Figure 4 It is a rear view of the structure of the water inlet mechanism, the second transmission mechanism, the lifting mechanism and the power mechanism;

[0021] Figure 5 It is a schematic diagram of the structure of the filtering mechanism and the dithering mechanism;

[0022] Legend:

[0023] 1. Filter tank; 101. Longitudinal slide; 102. Oblique slide; 2. First transmission mechanism; 201. Transmission motor; 202. First pulley; 203. Rotating rod; 204. Second pulley; 205. First belt; 206. Cam; 3. Water inlet mechanism; 301. Water inlet pipe; 302. Control valve; 303. Control gear; 4. Second transmission mechanism; 401. Limit sleeve; 402. Sliding plate; 403. Rack; 404. Mounting block; 405. Transmission gear; 5. Power mechanism; 501. Power motor; 502. Third pulley; 503. Power gear; 504. Limit block; 505. Screw rod; 506. Fourth pulley; 507. Second belt; 6. Lifting mechanism; 601. Fixed frame; 602. Line roller; 603. Traction line; 604. Lifting gear; 7. Filtering mechanism; 701. Cross plate; 702. First slider; 703. Traction ring; 704. Filtering plate; 705. First L-shaped bracket; 706. Counterweight; 8. Shaking mechanism; 801. Mounting plate; 802. Pushing plate; 803. Second L-shaped bracket; 9. Pushing mechanism; 901. Second slider; 902. Pushing plate; 10. Slag discharge pipe; 11. Drain pipe; 12. Control switch; 13. Support leg. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Specific examples are given below.

[0026] See also Figure 1-Figure 5The utility model provides a wastewater treatment filtering device, including a filter tank 1; longitudinal slide grooves 101 and oblique slide grooves 102 are provided on both sides of the inner wall of the filter tank 1, a filter mechanism 7 is slidably arranged in the longitudinal slide groove 101, a shaking mechanism 8 is arranged below the filter mechanism 7, the shaking mechanism 8 includes a mounting plate 801, the mounting plate 801 is fixed in the middle of the filter tank 1, a push plate 802 is rotatably installed above the mounting plate 801, the push plate 802 is located directly below the filter plate 704, a second L-shaped bracket 803 is arranged below the push plate 802, the second L-shaped bracket 803 is fixed on one side of the mounting plate 801, the first transmission mechanism 2 includes a transmission motor 201, the transmission motor The motor 201 is fixed to one side of the outside of the filter tank 1, a first pulley 202 is installed on the rotating shaft of the transmission motor 201, a rotating rod 203 is arranged on one side of the transmission motor 201, the rotating rod 203 is rotatably arranged in the filter tank 1, and one end of the rotating rod 203 extends to the outside of the filter tank 1, a second pulley 204 is installed on the outer end of the rotating rod 203, the second pulley 204 and the first pulley 202 are sleeved with a first belt 205, a cam 206 is fixed in the middle of the rotating rod 203, and the cam 206 is located directly below the push plate 802, a water inlet mechanism 3 is arranged at one end of the top of the filter tank 1, a second transmission mechanism 4 is installed on one side of the top of the filter tank 1, and a power mechanism 5 is installed in the middle of the top of the filter tank 1;

[0027] The power mechanism 5 includes a power motor 501, which is installed on the top of the filter tank 1. A third pulley 502 is installed in the middle of the rotating shaft of the power motor 501. A power gear 503 is fixed to the top of the rotating shaft of the power motor 501. The power gear 503 is meshed with the transmission gear 405. The third pulley 502 is provided with a limit block 504. A screw 505 is rotatably provided on one side of the upper part of the limit block 504. A fourth pulley 506 is installed at one end of the screw 505. The fourth pulley 506 and the outer side of the third pulley 502 are sleeved with a second belt 507; the water inlet mechanism 3 includes a water inlet pipe 301, The water inlet pipe 301 is connected with the filter tank 1 through-connection, and a control valve 302 is installed in the middle of the water inlet pipe 301, and a control gear 303 is rotatably arranged on the outside of the control valve 302; the second transmission mechanism 4 includes a limit sleeve 401, and the limit sleeve 401 is fixed to the top side of the filter tank 1, and a sliding plate 402 is slidably arranged in the limit sleeve 401, and racks 403 are installed at both ends of the sliding plate 402, and one rack 403 is meshed with the control gear 303, and a mounting block 404 is fixed on the outside of the sliding plate 402, and a transmission gear 405 is rotatably installed on the upper side of the mounting block 404, and the transmission gear 405 is meshed with another rack 403.

[0028] During operation, when the sewage treatment and filtration are being carried out, the power motor 501 in the power mechanism 5 works, so that the power motor 501 drives the power gear 503 on the rotating shaft to rotate, and the power gear 503 is meshed with the transmission gear 405 on one side of the upper part of the mounting block 404 in the second transmission mechanism 4, so that the transmission gear 405 is meshed with the rack 403 at one end of the sliding plate 402 for transmission, so that the sliding plate 402 drives the rack 403 at the other end to move under the limit of the limit sleeve 401, and the rack 403 at the other end of the sliding plate 402 is meshed with the control gear 303 in the water inlet mechanism 3, so that the control gear 303 controls the control valve 302 to control the sewage in the water inlet pipe 301 to enter, and when the sewage enters the filter tank 1 In the filter mechanism 7, the sewage is filtered and screened by the filter mechanism 7, and the transmission motor 201 in the first transmission mechanism 2 is started, so that the transmission motor 201 drives the first pulley 202 on the rotating shaft to rotate, and the belt 205 on the first pulley 202 and the second pulley 204 is transmitted, so that the second pulley 204 drives the rotating rod 203 to rotate, and the rotation of the rotating rod 203 drives the cam 206 in the middle of the rotating rod 203 to rotate, and the rotation of the cam 206 drives the push plate 802 supported by the second L-shaped bracket 803 in the shaking mechanism 8 to rotate under the limit of the mounting plate 801, so that the push plate 802 pushes the filter mechanism 7 to shake, so as to prevent the filter mechanism 7 from being blocked and affecting the filtering effect and efficiency.

[0029] Furthermore, longitudinal slide grooves 101 and oblique slide grooves 102 are provided on both sides of the inner wall of the filter tank 1, a filtering mechanism 7 is slidably arranged in the longitudinal slide groove 101, a pushing mechanism 9 is slidably arranged in the oblique slide groove 102, a lifting mechanism 6 is installed at the other end of the top of the filter tank 1, the lifting mechanism 6 includes a fixed frame 601, the fixed frame 601 is fixed at the other end of the top of the filter tank 1, a wire roller 602 is rotatably arranged in the middle of the fixed frame 601, a traction line 603 is wound around the wire roller 602, one end of the traction line 603 is fixed to the upper part of the traction ring 703, a lifting gear 604 is installed at the outer end of the rotating shaft of the wire roller 602, the lifting gear 604 is meshed with the screw 505, a slag discharge pipe 10 is connected to the upper part of one side of the filter tank 1, supporting legs 13 are fixed to the four corners of the bottom of the filter tank 1, a drain pipe 11 is connected to the middle of the bottom of the filter tank 1, and a control switch 12 is slidably arranged in the middle of the drain pipe 11.

[0030] During operation, after filtering for a period of time, impurity particles are accumulated in the filter mechanism 7, and the power motor 501 in the power mechanism 5 works to drive the third pulley 502 in the middle of the rotating shaft to rotate, and the third pulley 502 is driven by the second belt 507 outside the fourth pulley 506, so that the fourth pulley 506 drives the screw 505 to rotate under the limit of the limit block 504, and the screw 505 is meshed with the lifting gear 604 in the lifting mechanism 6, so that the lifting gear 604 drives the line roller 602 limited by the fixed frame 601 to rotate, and the rotation of the line roller 602 winds the traction line 603, so that the traction line 603 drives the traction ring 703 on the first slider 702 at both ends of the horizontal plate 701 in the filter mechanism 7 to move, and the first slider 702 is driven to move in the longitudinal slide groove 101 through the traction ring 703, so that the first slider 702 drives the filter plate 70 supported by the first L-shaped bracket 705 on the upper part. 4 is moved, and the filter plate 704 moves, so that the filter plate 704 pushes the push plate 902 in the push mechanism 9 to move, and the second sliders 901 installed at both ends of the push plate 902 are limited by the inclined slide groove 102, so that the push plate 902 pushes the particle impurities on the filter plate 704 to move, and when the filter plate 704 moves to the bottom of the slag discharge pipe 10, the filter plate 704 is tilted by the limit of the slag discharge pipe 10. During the tilting process, the push plate 902 pushes the particle impurities into the slag discharge pipe 10 for discharge and collection. After the particle impurities are discharged, the power mechanism 5 is driven, and the lifting mechanism 6 is used to lower the filter plate 704 in the filter mechanism 7. Under the weight of the counterweight block 706 at the bottom of the other end of the filter plate 704, the filter plate 704 returns to a horizontal position, so as to perform continuous filtering operations, and the water of the filter tank 1 is discharged in time by controlling the control switch 12 in the drain pipe 11 at the bottom of the filter tank 1.

[0031] Working principle: When the sewage is treated and filtered, the power motor 501 in the power mechanism 5 works, so that the power motor 501 drives the power gear 503 on the rotating shaft to rotate, and the power gear 503 is meshed with the transmission gear 405 on the upper side of the mounting block 404 in the second transmission mechanism 4, so that the transmission gear 405 and the rack 403 at one end of the sliding plate 402 are meshed and transmitted, so that the sliding plate 402 drives the rack 403 at the other end to move under the limit of the limit sleeve 401, and the rack 403 at the other end of the sliding plate 402 is meshed with the control gear 303 in the water inlet mechanism 3, so that the control gear 303 controls the control valve 302 to control the sewage in the water inlet pipe 301 to enter. When the sewage enters the filter tank 1 In the filtering mechanism 7 in the filter, after filtering for a period of time, impurity particles are accumulated in the filtering mechanism 7, and the power motor 501 in the power mechanism 5 works to drive the third pulley 502 in the middle of the rotating shaft to rotate, and the third pulley 502 is driven by the second belt 507 outside the fourth pulley 506, so that the fourth pulley 506 drives the screw 505 to rotate under the limit of the limit block 504, and the screw 505 is meshed with the lifting gear 604 in the lifting mechanism 6, so that the lifting gear 604 drives the line roller 602 limited by the fixed frame 601 to rotate, and the rotation of the line roller 602 winds the traction line 603, so that the traction line 603 drives the first slider 702 on both ends of the horizontal plate 701 in the filtering mechanism 7 The traction ring 703 moves, and the traction ring 703 drives the first slider 702 to move in the longitudinal slide groove 101, so that the first slider 702 drives the filter plate 704 supported by the first L-shaped bracket 705 on the upper part to move, and the filter plate 704 moves, so that the filter plate 704 pushes the push plate 902 in the push mechanism 9 to move, and the second sliders 901 installed at both ends of the push plate 902 are limited by the oblique slide groove 102, so that the push plate 902 pushes the particle impurities on the filter plate 704 to move, and when the filter plate 704 moves to the bottom of the slag discharge pipe 10, the filter plate 704 is tilted by the limit of the slag discharge pipe 10, and during the tilting process, the push plate 902 pushes the particle impurities to the slag discharge pipe 10 is discharged and collected. After the particulate impurities are discharged, the power mechanism 5 is used to transmit the power, and the lifting mechanism 6 is used to lower the filter plate 704 in the filter mechanism 7. Under the weight of the counterweight block 706 at the bottom of the other end of the filter plate 704, the filter plate 704 returns to a horizontal position, thereby performing a continuous filtering operation. By starting the transmission motor 201 in the first transmission mechanism 2, the transmission motor 201 drives the first pulley 202 on the rotating shaft to rotate. The belt 205 on the first pulley 202 and the second pulley 204 is transmitted, so that the second pulley 204 drives the rotating rod 203 to rotate. Through the rotation of the rotating rod 203, the cam 206 in the middle of the rotating rod 203 is driven to rotate. Through the rotation of the cam 206,The push plate 802 supported by the second L-shaped bracket 803 in the shaking mechanism 8 is rotated under the limit of the mounting plate 801, so that the push plate 802 pushes the filter mechanism 7 to shake, preventing the filter mechanism 7 from being blocked and affecting the filtering effect and efficiency. By controlling the control switch 12 in the drain pipe 11 at the bottom of the filter tank 1, the water in the filter tank 1 is discharged in time.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A wastewater treatment filtration device, characterized in that: The invention comprises a filter tank (1); a longitudinal slide groove (101) and an oblique slide groove (102) are provided on both sides of the inner wall of the filter tank (1); a filter mechanism (7) is slidably arranged in the longitudinal slide groove (101); a shaking mechanism (8) is arranged below the filter mechanism (7); and a material pushing mechanism (9) is slidably arranged in the oblique slide groove (102); The filtering mechanism (7) comprises a transverse plate (701), the transverse plate (701) slides in the longitudinal slide groove (101) through a first slider (702) fixed at both ends, a traction ring (703) is installed on the top of the first slider (702), a filter plate (704) is rotatably arranged in the middle of the first slider (702), a first L-shaped bracket (705) is arranged below the filter plate (704), the first L-shaped bracket (705) is fixed on one side of the transverse plate (701), and a counterweight block (706) is fixed at the lower part of one end of the filter plate (704); the shaking mechanism (8) comprises a mounting plate (801), the mounting plate (80 1) is fixed in the middle of the filter tank (1), a push plate (802) is rotatably installed above the mounting plate (801), the push plate (802) is located directly below the filter plate (704), a second L-shaped bracket (803) is arranged below the push plate (802), the second L-shaped bracket (803) is fixed to one side of the mounting plate (801); the pushing mechanism (9) comprises a second slider (901), the second slider (901) is slidably arranged in an oblique slide groove (102), a push plate (902) is installed between the second sliders (901), and the push plate (902) is located above the filter plate (704).

2. A wastewater treatment filtration device according to claim 1, characterized in that: A first transmission mechanism (2) is installed on one side of the outside of the filter tank (1), and the first transmission mechanism (2) comprises a transmission motor (201), the transmission motor (201) is fixed on one side of the outside of the filter tank (1), a first belt pulley (202) is installed on the rotating shaft of the transmission motor (201), a rotating rod (203) is arranged on one side of the transmission motor (201), the rotating rod (203) is rotatably arranged in the filter tank (1), and one end of the rotating rod (203) extends to the outside of the filter tank (1), a second belt pulley (204) is installed on the outer end of the rotating rod (203), and the second belt pulley (204) and the first belt pulley (202) are covered with a first belt (205), and a cam (206) is fixed in the middle of the rotating rod (203), and the cam (206) is located directly below the push plate (802).

3. A wastewater treatment filtration device according to claim 1, characterized in that: A water inlet mechanism (3) is provided at one end of the top of the filter tank (1), the water inlet mechanism (3) comprising a water inlet pipe (301), the water inlet pipe (301) being connected to the filter tank (1), a control valve (302) being installed in the middle of the water inlet pipe (301), and a control gear (303) being rotatably provided on the outside of the control valve (302).

4. A wastewater treatment filtration device according to claim 1, characterized in that: A second transmission mechanism (4) is installed on one side of the top of the filter tank (1), and the second transmission mechanism (4) comprises a limiting sleeve (401), the limiting sleeve (401) is fixed on one side of the top of the filter tank (1), a sliding plate (402) is slidably arranged in the limiting sleeve (401), racks (403) are installed on both ends of the sliding plate (402), and one rack (403) is meshed with a control gear (303), a mounting block (404) is fixed on the outside of the sliding plate (402), and a transmission gear (405) is rotatably installed on one side of the upper part of the mounting block (404), and the transmission gear (405) is meshed with another rack (403).

5. A wastewater treatment filtration device according to claim 1, characterized in that: A power mechanism (5) is installed in the middle of the top of the filter tank (1), and the power mechanism (5) comprises a power motor (501). The power motor (501) is installed on the top of the filter tank (1). A third pulley (502) is installed in the middle of the rotating shaft of the power motor (501). A power gear (503) is fixed to the top of the rotating shaft of the power motor (501). The power gear (503) is meshed with a transmission gear (405). The third pulley (502) is provided with a limit block (504). A screw rod (505) is rotatably provided on one side of the upper part of the limit block (504). A fourth pulley (506) is installed at one end of the screw rod (505). A second belt (507) is sleeved on the outer sides of the fourth pulley (506) and the third pulley (502).

6. A wastewater treatment filtration device according to claim 1, characterized in that: A lifting mechanism (6) is installed at the other end of the top of the filter tank (1), and the lifting mechanism (6) comprises a fixed frame (601), the fixed frame (601) is fixed at the other end of the top of the filter tank (1), a wire roller (602) is rotatably arranged in the middle of the fixed frame (601), a traction wire (603) is wound around the wire roller (602), one end of the traction wire (603) is fixed to the upper part of the traction ring (703), and a lifting gear (604) is installed at the outer end of the rotating shaft of the wire roller (602), and the lifting gear (604) is meshed with the screw rod (505).

7. A wastewater treatment filtration device according to claim 1, characterized in that: A slag discharge pipe (10) is connected through the upper part of one side of the filter tank (1), support legs (13) are fixed at the four corners of the bottom of the filter tank (1), a drainage pipe (11) is connected through the middle of the bottom of the filter tank (1), and a control switch (12) is slidably provided in the middle of the drainage pipe (11).

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