Comprehensive sewage nitrogen and phosphorus removal treatment device

Abstract

The invention provides a comprehensive sewage nitrogen and phosphorus removal treatment device, and belongs to the technical field of sewage nitrogen and phosphorus removal treatment.The comprehensive sewage nitrogen and phosphorus removal treatment device comprises an anaerobic treatment tank, a liquid storage pool and an aerobic treatment tank, and sealing covers are arranged on the upper surface of the anaerobic treatment tank and the upper surface of the aerobic treatment tank; a stirring power mechanism is mounted in the sealing cover, and a folding mechanism is mounted on the stirring power mechanism; a displacement electric push rod can drive a limiting ring to move downwards to fold a folding mechanism, and an upper long connecting rod and an upper short connecting rod which are folded form a layer of isolation frame, so that impurities with larger volume in sewage can be blocked, impurities with smaller volume can be filtered by a filter screen, and the probability of blockage of the filter screen can be effectively reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of sewage denitrification and phosphorus removal, and in particular relates to a comprehensive sewage denitrification and phosphorus removal treatment device. Background Art

[0002] Since industrial waste water contains more nitrogen and phosphorus substances, in order to ensure the environmental friendliness of the discharged water, it is often necessary to remove the nitrogen and phosphorus substances in the wastewater. Generally, aerobic anaerobic wastewater treatment methods are often used for wastewater treatment. Aerobic anaerobic wastewater treatment process is a process that uses the metabolism of microorganisms to treat pollutants in wastewater. It mainly includes two methods: aerobic treatment and anaerobic treatment. Aerobic treatment uses the metabolic activity of aerobic microorganisms under the action of aeration to remove pollutants in wastewater, while anaerobic treatment uses the metabolism of anaerobic microorganisms to remove pollutants in wastewater under the condition of oxygen isolation.

[0003] In the existing sewage treatment, it is often necessary to add flocculants and other products to stir and mix the sewage to make the liquid mixture more evenly mixed, and then perform anaerobic and aerobic treatment of the sewage. Although the existing treatment tank is also equipped with a filter to filter out debris, it is not convenient to clean the filter because the filter is set inside, and the stirring frame can only play a stirring function, and the function is relatively single. For this reason, we propose a comprehensive sewage denitrification and phosphorus removal treatment device. Summary of the invention

[0004] The purpose of the present invention is to provide a comprehensive sewage denitrification and phosphorus removal treatment device, which aims to solve the problem that the existing treatment tank in the prior art is also equipped with a filter screen to filter out debris, but because the filter screen is arranged inside, it is not convenient to clean the filter screen, and the stirring frame can only play a stirring function and has a relatively single function.

[0005] To achieve the above object, the present invention provides the following technical solution: a comprehensive sewage denitrification and dephosphorization treatment device, comprising an anaerobic treatment tank, a liquid storage tank and an aerobic treatment tank, wherein the upper surfaces of the anaerobic treatment tank and the aerobic treatment tank are provided with a sealing cover, a stirring power mechanism is installed inside the sealing cover, and a folding mechanism is installed on the stirring mechanism;

[0006] The stirring power mechanism comprises a rotating shaft, the interior of the sealing cover is provided with a rotating shaft via a bearing, the top end of the rotating shaft is fixedly connected with a synchronous wheel, two synchronous wheels are connected to each other via a synchronous belt, and one of the synchronous wheels is fixedly connected to the output end of the servo motor;

[0007] The folding mechanism includes a limiting ring, which is sleeved on the outer surface of the rotating shaft, and the outer surface of the limiting ring is fixedly connected to an upper mounting seat, the upper mounting seat is movably connected to an upper long connecting rod inside, and the upper long connecting rod is movably connected to an upper short connecting rod inside, the upper short connecting rod is movably connected to the inside of a connecting buckle, and the connecting buckle is movably connected to a lower short connecting rod inside, the lower short connecting rod is movably connected to the inside of a lower long connecting rod, and the lower long connecting rod is movably connected to the inside of a lower mounting seat, and the lower mounting seat is fixedly mounted on the outer surface of the rotating shaft, and the bottom end of the rotating shaft is mounted on the inside of the filter screen through a sealed bearing.

[0008] Preferably, the inner walls of the anaerobic treatment tank and the aerobic treatment tank are fixedly connected to limit sliding rods, the filter screen is slidably connected to the limit sliding rods, and a cleaning claw is fixedly connected to the lower surface of one of the lower long connecting rods.

[0009] Preferably, the outer surfaces of the anaerobic treatment tank and the aerobic treatment tank are both fixedly connected with a bracket, and the other end of the bracket is fixedly connected to the inside of the liquid storage tank.

[0010] Preferably, a moving mechanism is fixedly connected to the upper surface of the bracket, and the moving mechanism includes a slide rail, which is fixedly installed on the upper surface of the bracket. A slider is slidably connected inside the slide rail, and a transverse electric push rod is fixedly connected to the back of the slider. The end of the transverse electric push rod away from the slider is fixedly installed on the inner wall of the bracket.

[0011] Preferably, a longitudinal electric push rod is fixedly connected to the upper surface of the sliding block, an L-shaped fixing plate is fixedly connected to the top end of the longitudinal electric push rod, and a bottom end of the L-shaped fixing plate is fixedly connected to the upper surface of the sealing cover.

[0012] Preferably, a first liquid inlet pipe is fixedly connected to the outer surface of the anaerobic treatment tank, and the first liquid inlet pipe is connected to the first circulation pump. A first liquid discharge pipe is fixedly connected to the lower surface of the anaerobic treatment tank, and the first liquid discharge pipe is connected to the second circulation pump.

[0013] Preferably, a second liquid inlet pipe is fixedly connected to the outer surface of the aerobic treatment tank, and the second liquid inlet pipe is connected to the third circulation pump. A second liquid discharge pipe is fixedly connected to the lower surface of the aerobic treatment tank, and the second liquid discharge pipe is connected to the fourth circulation pump.

[0014] Preferably, an oxygen pump is fixedly connected to the back side of one of the brackets, and the oxygen pump is connected to the aerobic treatment tank through an oxygen supply pipe.

[0015] Preferably, the outer surfaces of the anaerobic treatment tank and the aerobic treatment tank are provided with observation windows, and the front and back sides of the liquid storage tank are fixedly connected with fixing plates, and the fixing plates are fixedly connected to the ground by bolts.

[0016] Preferably, a support rod is fixedly connected to the upper surface of the limit ring, a displacement electric push rod is fixedly connected to the upper surface of the support rod, the displacement electric push rod is fixedly mounted on the lower surface of the positioning plate, and the positioning plate is fixedly mounted on the outer surface of the rotating shaft.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The comprehensive sewage denitrification and dephosphorization treatment device starts the servo motor through the coordination between the stirring power mechanism and the folding mechanism. The servo motor can drive the rotating shaft to rotate, so that the folding mechanism can rotate, and the sewage inside the treatment tank can be stirred. After mixing, the staff can start the displacement electric push rod, which can drive the limit ring to move downward to fold the folding mechanism. The upper long connecting rod and the upper short connecting rod after folding form a layer of isolation frame, which can block larger debris in the sewage, and smaller debris can be filtered by the filter net, which can effectively reduce the probability of filter net clogging.

[0019] 2. The comprehensive sewage denitrification and phosphorus removal treatment device is equipped with a filter, a cleaning claw, a horizontal electric push rod, a longitudinal electric push rod and a sealing cover. When the filter needs to be cleaned, the servo motor is started while the folding mechanism remains in a folded state. The servo motor drives the rotating shaft to rotate, and controls the cleaning claw to rotate around the central axis of the rotating shaft. During the rotation of the cleaning claw, the debris inside the filter can be gathered. Then the staff starts the longitudinal electric push rod to move the filter out of the treatment tank to facilitate the cleaning of the debris.

[0020] 3. The comprehensive sewage denitrification and phosphorus removal treatment device is configured by the coordination of an anaerobic treatment tank, a liquid storage tank, an aerobic treatment tank, a sealing cover, a first liquid inlet pipe, a No. 1 circulation pump, a first liquid discharge pipe, a No. 2 circulation pump, a No. 3 circulation pump and a No. 4 circulation pump. The sewage first enters the anaerobic treatment tank through the first liquid inlet pipe, is sealed by the sealing cover to isolate oxygen, and then the sewage is anaerobically treated. Then, the sewage in the anaerobic treatment tank is discharged into the liquid storage tank through the No. 2 circulation pump. The No. 3 circulation pump can draw the water in the liquid storage tank into the aerobic treatment tank. Then, the oxygen is transported to the aerobic treatment tank through the oxygen supply pump to treat the sewage aerobically. Then, the treated sewage is discharged through the second liquid discharge pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0022] Figure 1 It is a schematic diagram of the axonometric structure in the present invention;

[0023] Figure 2 It is a schematic diagram of the rear axonometric structure of the present invention;

[0024] Figure 3 It is a schematic diagram of the cross-section axonometric structure of the present invention;

[0025] Figure 4 It is one of the partial enlarged structural schematic diagrams of the present invention;

[0026] Figure 5 This is the second schematic diagram of the partially enlarged structure of the present invention;

[0027] Figure 6 This is the third schematic diagram of the local enlarged structure in the present invention;

[0028] Figure 7 This is the fourth schematic diagram of the local enlarged structure of the present invention;

[0029] Figure 8 This is the fifth schematic diagram of the partially enlarged structure in the present invention.

[0030] In the figure: 1, anaerobic treatment tank; 2, liquid storage tank; 3, aerobic treatment tank; 4, sealing cover; 5, rotating shaft; 6, servo motor; 7, limiting ring; 8, upper mounting seat; 9, upper long connecting rod; 10, upper short connecting rod; 11, connecting buckle; 12, lower short connecting rod; 13, lower long connecting rod; 14, lower mounting seat; 15, filter screen; 16, synchronous wheel; 17, synchronous belt; 18, limiting slide bar; 19, cleaning claw; 20, bracket; 21, slide rail; 22 , slider; 23, horizontal electric push rod; 24, longitudinal electric push rod; 25, L-shaped fixing plate; 26, first liquid inlet pipe; 27, No. 1 circulating pump; 28, first liquid discharge pipe; 29, No. 2 circulating pump; 30, second liquid inlet pipe; 31, No. 3 circulating pump; 32, second liquid discharge pipe; 33, No. 4 circulating pump; 34, oxygen supply pump; 35, oxygen supply pipe; 36, observation window; 37, fixing plate; 38, support rod; 39, displacement electric push rod; 40, positioning plate. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Example

[0033] See also Figure 1-8The present invention provides the following technical solutions: a comprehensive sewage denitrification and dephosphorization treatment device, comprising an anaerobic treatment tank 1, a liquid storage tank 2 and an aerobic treatment tank 3, the upper surfaces of the anaerobic treatment tank 1 and the aerobic treatment tank 3 are provided with a sealing cover 4, the interior of the sealing cover 4 is provided with a stirring power mechanism, and a folding mechanism is installed on the stirring mechanism;

[0034] The stirring power mechanism includes a rotating shaft 5, the interior of the sealing cover 4 is equipped with the rotating shaft 5 through a bearing, the top of the rotating shaft 5 is fixedly connected with a synchronous wheel 16, and the two synchronous wheels 16 are connected by a synchronous belt 17, one of the synchronous wheels 16 is fixedly connected to the output end of the servo motor 6, and through the arrangement of the synchronous wheel 16, the servo motor 6, the synchronous belt 17 and the servo motor 6, a servo motor 6 is used as a driving source, and the two rotating shafts 5 can be controlled to rotate through the transmission of the synchronous wheel 16 and the synchronous belt 17, so as to stir the sewage inside the anaerobic treatment tank 1 and the aerobic treatment tank 3, thereby greatly saving energy consumption;

[0035] The folding mechanism includes a limit ring 7, which is sleeved on the outer surface of the rotating shaft 5. The outer surface of the limit ring 7 is fixedly connected to an upper mounting seat 8. The upper mounting seat 8 is movably connected to an upper long connecting rod 9 inside. The upper long connecting rod 9 is movably connected to an upper short connecting rod 10 inside. The upper short connecting rod 10 is movably connected to the inside of a connecting buckle 11. The connecting buckle 11 is movably connected to a lower short connecting rod 12 inside. The lower short connecting rod 12 is movably connected to the inside of a lower long connecting rod 13. The lower long connecting rod 13 is movably connected to the inside of a lower mounting seat 14. The lower mounting seat 14 is fixedly mounted on the outer surface of the rotating shaft 5. The bottom end of the rotating shaft 5 is mounted on the inside of the filter screen 15 through a sealed bearing.

[0036] During specific use, the servo motor 6 is started through the coordination between the stirring power mechanism and the folding mechanism, and the servo motor 6 can drive the rotating shaft 5 to rotate, so that the folding mechanism can rotate, and the sewage inside the treatment tank can be stirred. After the mixing is completed, the staff can start the displacement electric push rod 39, and the displacement electric push rod 39 can drive the limit ring 7 to move downward to fold the folding mechanism. The upper long connecting rod 9 and the upper short connecting rod 10 after folding form an isolation frame, which can block larger debris in the sewage, and smaller debris can be filtered by the filter net 15, which can be The probability of clogging of the filter 15 is effectively reduced. Through the arrangement of the filter 15, the cleaning claw 19, the transverse electric push rod 23, the longitudinal electric push rod 24 and the sealing cover 4, when the filter 15 needs to be cleaned, the servo motor 6 is started while the folding mechanism remains in a folded state. The servo motor 6 drives the rotating shaft 5 to rotate, and controls the cleaning claw 19 to rotate around the central axis of the rotating shaft 5. During the rotation of the cleaning claw 19, the debris inside the filter 15 can be gathered. Then the staff starts the longitudinal electric push rod 24 to remove the filter 15 from the inside of the treatment tank, so as to facilitate the cleaning of the debris.

[0037] See also Figure 3 and Figure 6 As shown, the inner walls of the anaerobic treatment tank 1 and the aerobic treatment tank 3 are fixedly connected with a limit slide bar 18, the filter screen 15 is slidably connected to the limit slide bar 18, and a cleaning claw 19 is fixedly connected to the lower surface of one of the lower long connecting rods 13.

[0038] During specific use, through the setting of the cleaning claw 19, during the rotation of the rotating shaft 5, the cleaning claw 19 can rotate around the central axis of the rotating shaft 5, and the cleaning claw 19 can gather the debris on the filter screen 15, which is convenient for the staff to clean the debris on the filter screen 15 later and saves more effort.

[0039] See also Figure 1 and Figure 2 As shown, the outer surfaces of the anaerobic treatment tank 1 and the aerobic treatment tank 3 are both fixedly connected with a bracket 20 , and the other end of the bracket 20 is fixedly connected to the inside of the liquid storage tank 2 .

[0040] During specific use, the anaerobic treatment tank 1 and the aerobic treatment tank 3 can be fixed in position by setting the bracket 20, so that the anaerobic treatment tank 1 and the aerobic treatment tank 3 can be placed more firmly and have better stability.

[0041] See also Figure 2 , Figure 3 and Figure 7 As shown, a moving mechanism is fixedly connected to the upper surface of the bracket 20, and the moving mechanism includes a slide rail 21, which is fixedly installed on the upper surface of the bracket 20, and a slider 22 is slidably connected inside the slide rail 21. A transverse electric push rod 23 is fixedly connected to the back of the slider 22, and the end of the transverse electric push rod 23 away from the slider 22 is fixedly installed on the inner wall of the bracket 20.

[0042] During specific use, the folding mechanism and the filter 15 are set through the moving mechanism. After the filter 15 is moved out of the processing tank, the transverse electric push rod 23 is started. The transverse electric push rod 23 can push the slider 22 to move inside the slide rail 21. After moving to the required position, the longitudinal electric push rod 24 is started again to move to control the filter 15 to fall. The staff can then clean up the debris on the filter 15 and the folding mechanism, which is more convenient and labor-saving.

[0043] See also Figure 1 and Figure 2 As shown, a longitudinal electric push rod 24 is fixedly connected to the upper surface of the slider 22 , an L-shaped fixing plate 25 is fixedly connected to the top end of the longitudinal electric push rod 24 , and the bottom end of the L-shaped fixing plate 25 is fixedly connected to the upper surface of the sealing cover 4 .

[0044] During specific use, the sealing cover 4 can be connected by the arrangement of the L-shaped fixing plate 25 and the sealing cover 4, so that when the longitudinal electric push rod 24 is started, it is convenient to control the movement of the sealing cover 4.

[0045] See also Figure 1 and Figure 2 As shown, a first liquid inlet pipe 26 is fixedly connected to the outer surface of the anaerobic treatment tank 1, and the first liquid inlet pipe 26 is connected to a No. 1 circulation pump 27. A first liquid discharge pipe 28 is fixedly connected to the lower surface of the anaerobic treatment tank 1, and the first liquid discharge pipe 28 is connected to a No. 2 circulation pump 29.

[0046] During specific use, by setting the first liquid inlet pipe 26 and the first liquid discharge pipe 28, under the action of the No. 1 circulation pump 27, the sewage can be transported to the inside of the anaerobic treatment tank 1 through the first liquid inlet pipe 26, and under the action of the No. 2 circulation pump 29, the water inside the anaerobic treatment tank 1 can be pumped out and discharged into the liquid storage tank 2.

[0047] See also Figure 1 and Figure 2 As shown, a second liquid inlet pipe 30 is fixedly connected to the outer surface of the aerobic treatment tank 3, and the second liquid inlet pipe 30 is connected to the third circulation pump 31. A second liquid discharge pipe 32 is fixedly connected to the lower surface of the aerobic treatment tank 3, and the second liquid discharge pipe 32 is connected to the fourth circulation pump 33.

[0048] During specific use, through the coordinated arrangement of the anaerobic treatment tank 1, the liquid storage tank 2, the aerobic treatment tank 3, the sealing cover 4, the first liquid inlet pipe 26, the No. 1 circulation pump 27, the first liquid discharge pipe 28, the No. 2 circulation pump 29, the No. 3 circulation pump 31 and the No. 4 circulation pump 33, the sewage first enters the anaerobic treatment tank 1 through the first liquid inlet pipe 26, is sealed by the sealing cover 4, isolates oxygen, and performs anaerobically treatment on the sewage, and then discharges the sewage in the anaerobic treatment tank 1 into the liquid storage tank 2 through the No. 2 circulation pump 29, and the No. 3 circulation pump 31 can pump the water in the liquid storage tank 2 into the aerobic treatment tank 3 through the first liquid inlet pipe 26, and then transport oxygen to the aerobic treatment tank 3 through the oxygen supply pump 34 to perform aerobic treatment on the sewage, and after the aerobic treatment process of the sewage is completed, the staff can start the No. 4 circulation pump 33, and the No. 4 circulation pump 33 can discharge the treated sewage through the second liquid discharge pipe 32, so as to facilitate the discharge of the water.

[0049] See also Figure 2 and Figure 7 As shown, an oxygen pump 34 is fixedly connected to the back of one of the brackets 20 , and the oxygen pump 34 is connected to the aerobic treatment tank 3 through an oxygen supply pipe 35 .

[0050] During specific use, the oxygen delivery pump 34 and the oxygen delivery pipe 35 are arranged to facilitate the delivery of oxygen to the inside of the aerobic treatment tank 3, so that the inside of the aerobic treatment tank 3 has a sufficient amount of oxygen for aerobic treatment.

[0051] See also Figure 1 As shown, the outer surfaces of the anaerobic treatment tank 1 and the aerobic treatment tank 3 are provided with observation windows 36, and the front and back sides of the liquid storage tank 2 are fixedly connected with fixing plates 37, which are fixedly connected to the ground by bolts.

[0052] During specific use, by setting the fixing plate 37 and fixing the fixing plate 37 to the ground with bolts, the installation of the liquid storage tank 2 can be more stable and the stability can be better.

[0053] See also Figure 3 and Figure 8 As shown, a support rod 38 is fixedly connected to the upper surface of the limit ring 7, and a displacement electric push rod 39 is fixedly connected to the upper surface of the support rod 38. The displacement electric push rod 39 is fixedly mounted on the lower surface of the positioning plate 40, and the positioning plate 40 is fixedly mounted on the outer surface of the rotating shaft 5.

[0054] During specific use, through the setting of the support rod 38, the displacement electric push rod 39 and the positioning plate 40, the positioning plate 40 can make the position of the displacement electric push rod 39 more firmly fixed. When the displacement electric push rod 39 is started, it can push the limit ring 7 to move on the outer surface of the rotating shaft 5, thereby realizing the folding of the folding mechanism.

[0055] The working principle and use process of the present invention are as follows: when the comprehensive sewage denitrification and dephosphorization treatment device is used, the sewage first enters the anaerobic treatment tank 1 through the first liquid inlet pipe 26 under the action of the No. 1 circulation pump 27, and is sealed by the sealing cover 4 to isolate oxygen, so that the sewage is anaerobically treated, and then the sewage in the anaerobic treatment tank 1 is discharged into the liquid storage tank 2 through the No. 2 circulation pump 29, and the No. 3 circulation pump 31 can pump the water in the liquid storage tank 2 into the aerobic treatment tank 3, and then the oxygen is transported to the aerobic treatment tank 3 through the oxygen supply pump 34, so as to provide the aerobic treatment tank 3 with the required oxygen, and the sewage is aerobically treated, and then the treated sewage is discharged through the second liquid discharge pipe 32;

[0056] When it is necessary to mix sewage and medicine, the servo motor 6 can drive the rotating shaft 5 to rotate, so that the folding mechanism can rotate, and the sewage inside the treatment tank can be stirred. After the mixing is completed, the staff can start the displacement electric push rod 39, and the displacement electric push rod 39 can drive the limit ring 7 to move downward to fold the folding mechanism. The upper long connecting rod 9 and the upper short connecting rod 10 after folding form an isolation frame, which can block larger debris in the sewage, and the smaller debris can be filtered by the filter 15;

[0057] When the filter 15 needs to be cleaned, while the folding mechanism remains in a folded state, the servo motor 6 is started, and the servo motor 6 drives the rotating shaft 5 to rotate, controlling the cleaning claw 19 to rotate around the central axis of the rotating shaft 5. During the rotation, the cleaning claw 19 can gather the debris inside the filter 15, and then the staff starts the longitudinal electric push rod 24 to move the filter 15 out of the processing tank, and starts the transverse electric push rod 23. The transverse electric push rod 23 can push the slider 22 to move inside the slide rail 21. After moving to the desired position, the longitudinal electric push rod 24 is started again to move, and the filter 15 is controlled to fall. Then the staff can clean the debris on the filter 15 and the folding mechanism.

[0058] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A comprehensive sewage denitrification and dephosphorization treatment device, comprising an anaerobic treatment tank (1), a liquid storage tank (2) and an aerobic treatment tank (3), characterized in that: The upper surfaces of the anaerobic treatment tank (1) and the aerobic treatment tank (3) are provided with sealing covers (4), the interior of the sealing covers (4) is provided with a stirring power mechanism, and the stirring mechanism is provided with a folding mechanism; The stirring power mechanism comprises a rotating shaft (5), the rotating shaft (5) is installed inside the sealing cover (4) via a bearing, a synchronous wheel (16) is fixedly connected to the top end of the rotating shaft (5), two synchronous wheels (16) are connected in transmission via a synchronous belt (17), and one of the synchronous wheels (16) is fixedly connected to the output end of the servo motor (6); The folding mechanism comprises a limit ring (7), the limit ring (7) is sleeved on the outer surface of the rotating shaft (5), the outer surface of the limit ring (7) is fixedly connected to an upper mounting seat (8), the interior of the upper mounting seat (8) is movably connected to an upper long connecting rod (9), the interior of the upper long connecting rod (9) is movably connected to an upper short connecting rod (10), the upper short connecting rod (10) is movably connected to the interior of a connecting buckle (11), the interior of the connecting buckle (11) is movably connected to a lower short connecting rod (12), the lower short connecting rod (12) is movably connected to the interior of a lower long connecting rod (13), the lower long connecting rod (13) is movably connected to the interior of a lower mounting seat (14), the lower mounting seat (14) is fixedly mounted on the outer surface of the rotating shaft (5), and the bottom end of the rotating shaft (5) is mounted inside the filter screen (15) through a sealing bearing.

2. A comprehensive sewage denitrification and phosphorus removal treatment device according to claim 1, characterized in that: The inner walls of the anaerobic treatment tank (1) and the aerobic treatment tank (3) are fixedly connected to a limit slide bar (18), the filter screen (15) is slidably connected to the limit slide bar (18), and a cleaning claw (19) is fixedly connected to the lower surface of one of the lower long connecting rods (13).

3. The comprehensive sewage denitrification and phosphorus removal treatment device according to claim 1 is characterized in that: The outer surfaces of the anaerobic treatment tank (1) and the aerobic treatment tank (3) are both fixedly connected with a bracket (20), and the other end of the bracket (20) is fixedly connected to the inside of the liquid storage tank (2).

4. A comprehensive sewage denitrification and phosphorus removal treatment device according to claim 3, characterized in that: The upper surface of the bracket (20) is fixedly connected with a moving mechanism, and the moving mechanism comprises a slide rail (21), the slide rail (21) is fixedly mounted on the upper surface of the bracket (20), the interior of the slide rail (21) is slidably connected with a slider (22), the back of the slider (22) is fixedly connected with a transverse electric push rod (23), and the end of the transverse electric push rod (23) away from the slider (22) is fixedly mounted on the inner wall of the bracket (20).

5. A comprehensive sewage denitrification and phosphorus removal treatment device according to claim 4, characterized in that: The upper surface of the slider (22) is fixedly connected to a longitudinal electric push rod (24), the top end of the longitudinal electric push rod (24) is fixedly connected to an L-shaped fixing plate (25), and the bottom end of the L-shaped fixing plate (25) is fixedly connected to the upper surface of the sealing cover (4).

6. The comprehensive sewage denitrification and phosphorus removal treatment device according to claim 1 is characterized by: A first liquid inlet pipe (26) is fixedly connected to the outer surface of the anaerobic treatment tank (1), and the first liquid inlet pipe (26) is connected to a first circulation pump (27). A first liquid discharge pipe (28) is fixedly connected to the lower surface of the anaerobic treatment tank (1), and the first liquid discharge pipe (28) is connected to a second circulation pump (29).

7. The comprehensive sewage denitrification and phosphorus removal treatment device according to claim 1 is characterized by: A second liquid inlet pipe (30) is fixedly connected to the outer surface of the aerobic treatment tank (3), and the second liquid inlet pipe (30) is connected to a No. 3 circulation pump (31). A second liquid discharge pipe (32) is fixedly connected to the lower surface of the aerobic treatment tank (3), and the second liquid discharge pipe (32) is connected to a No. 4 circulation pump (33).

8. The comprehensive sewage denitrification and phosphorus removal treatment device according to claim 3 is characterized by: An oxygen supply pump (34) is fixedly connected to the back of one of the brackets (20), and the oxygen supply pump (34) is connected to the aerobic treatment tank (3) via an oxygen supply pipe (35).

9. The comprehensive sewage denitrification and phosphorus removal treatment device according to claim 1, characterized in that: The outer surfaces of the anaerobic treatment tank (1) and the aerobic treatment tank (3) are provided with observation windows (36), and the front and back sides of the liquid storage tank (2) are fixedly connected with fixing plates (37), and the fixing plates (37) are fixedly connected to the ground by bolts.

10. The comprehensive sewage denitrification and phosphorus removal treatment device according to claim 1, characterized in that: The upper surface of the limiting ring (7) is fixedly connected to a support rod (38), the upper surface of the support rod (38) is fixedly connected to a displacement electric push rod (39), the displacement electric push rod (39) is fixedly mounted on the lower surface of a positioning plate (40), and the positioning plate (40) is fixedly mounted on the outer surface of the rotating shaft (5).

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