Anti-blocking municipal sewage treatment aeration tank

Abstract

The invention discloses an anti-clogging municipal sewage treatment aeration tank, and particularly relates to the technical field of sewage treatment.The anti-clogging municipal sewage treatment aeration tank comprises a gas bearing disc, a positioning rail is fixedly connected to the outer wall of the gas bearing disc, an exhaust hood is clamped to the top of the gas bearing disc, and a positioning groove is formed in the gas bearing disc. The top of the sliding groove is provided with a plurality of blocking pieces corresponding to the cavity grooves in size, when an airflow contact piece on the outer wall of the rotating shaft rotates under the influence of flowing of high-pressure gas, the blocking pieces on the top of the rotating shaft rotate along with the airflow contact piece, and the blocking pieces and the cavity grooves in the exhaust hood are in an open-close unobstructed state; high-pressure gas flows in the equipment, so that the whole frame of the equipment is prevented from being blocked, the high-pressure gas in the gas bearing disc is discharged out of the gas bearing disc, and the sewage outside the gas bearing disc is subjected to bubble dispersion and escape, so that oxygen is dissolved into water by a gas-liquid interface, and air is in strong contact with the water; oxygen in the air is transferred into water through the integral frame of the equipment, and the oxygen is subjected to mass transfer from a gas phase to a liquid phase, so that water quality conversion is carried out.

Description

Technical Field

[0001] The present invention relates to the technical field of sewage treatment, and more particularly to an anti-clogging aeration tank for municipal sewage treatment. Background Art

[0003] When blockage occurs in the sewage aeration tank, the blockage will affect the normal operation of the aeration equipment, weaken or interrupt the aeration effect, reduce the oxidation capacity of the biological sewage treatment system, thereby affecting the removal efficiency of pollutants such as organic matter and ammonia nitrogen, and reducing the quality of treated water. Secondly, the blockage will increase the resistance of the aeration equipment, causing the working pressure of the equipment to increase, accelerating the wear and aging of the equipment, shortening the service life of the equipment, and increasing maintenance and operating costs. In addition, the blockage will also cause uneven mixing inside the sewage aeration tank, causing hypoxia in some areas, affecting the normal metabolism of microorganisms, and reducing the treatment efficiency and stability of the biological sewage treatment system. Summary of the invention

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides an anti-clogging municipal sewage treatment aeration tank, wherein a plurality of cavity grooves are arranged inside the exhaust hood, a sliding groove is arranged inside the exhaust hood, one end of a rotating shaft extends to the inside of the sliding groove, a plurality of baffles of corresponding size to the cavity grooves are arranged on the top of the sliding groove, and when the airflow contact piece on the outer wall of the rotating shaft is affected by the flow of high-pressure gas and rotates, the baffle on the top of the rotating shaft rotates with the airflow contact piece, so that the baffle and the cavity groove inside the exhaust hood are in a switch-unblocked state, and the high-pressure gas flows inside the equipment to prevent the overall frame of the equipment from being blocked, and the high-pressure gas inside the gas bearing plate is discharged to the outside of the gas bearing plate, and the sewage outside the gas bearing plate is bubbled and escaped, so that the gas-liquid interface dissolves oxygen into the water, the air and water are in strong contact, the oxygen in the air is transferred to the water through the overall frame of the equipment, and the oxygen is transferred from the gas phase to the liquid phase to perform water quality conversion, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an anti-clogging municipal sewage treatment aeration tank, comprising a gas bearing plate, the outer wall of the gas bearing plate is fixedly connected with a positioning rail, the top of the gas bearing plate is clamped with an exhaust hood, the interior of the gas bearing plate is provided with a positioning groove, the interior of the positioning groove is clamped with a parts positioning plate, the top of the parts positioning plate is fixedly connected with a gas guide plate, the interior of the gas guide plate is provided with a drainage and pressurization groove, the interior of the gas bearing plate is provided with a drainage ring, the interior of the drainage ring is fixedly connected with a support positioning column, and one end of the support positioning column is fixedly connected to the inner wall of the gas bearing plate, the outer wall of the gas guide plate is provided with a positioning limit groove, and one end of the support positioning column is clamped in the interior of the positioning limit groove, the top of the parts positioning plate is fixedly connected with a rotating shaft, and the outer wall of the rotating shaft is fixedly connected with a stabilizing collar.

[0006] In a preferred embodiment, an air pipe is fixedly connected to the bottom of the gas bearing plate, a positioning ring is fixedly connected to the outer wall of the air pipe, and the outer wall of the positioning ring is fitted with the positioning rail of the outer wall of the gas bearing plate, and the outer wall of the air pipe is sleeved with supporting torsion ribs.

[0007] In a preferred embodiment, the number of the drainage and pressurization grooves is multiple, and the multiple groups of drainage and pressurization grooves are arranged in a ring array state with respect to the interior of the gas guide plate.

[0008] In a preferred embodiment, the inner wall of the gas bearing plate is fixedly connected with a first drainage ring and a second drainage ring, the interior of the second drainage ring is fixedly connected with a reinforcing rib, the interior of the gas bearing plate is provided with an airflow contact piece, the interior of the airflow contact piece is provided with a hole groove, the interior of the hole groove is provided with a balance ring, the outer wall of the rotating shaft is fixedly connected with a rotating ring, and one end of the airflow contact piece is fixedly connected to the outer wall of the rotating ring.

[0009] In a preferred embodiment, the airflow contact plates are provided in multiple groups, and the multiple groups of airflow contact plates are arranged in a circular array with respect to the outer wall of the rotating collar.

[0010] In a preferred embodiment, a sliding groove is provided inside the exhaust hood, and one end of the rotating shaft passes through the exhaust hood and extends to the inside of the sliding groove. A baffle is fixedly connected to the outer wall of the rotating shaft, and the baffle is arranged inside the sliding groove.

[0011] In a preferred embodiment, the blocking pieces are provided in a plurality of groups, and the plurality of groups of blocking pieces are arranged in a ring array state with respect to the interior of the sliding groove.

[0012] Technical effects and advantages of the present invention:

[0013] 1. A first drainage ring and a second drainage ring are arranged at the top and the bottom of the airflow contact piece, so that when the high-pressure gas inside the gas bearing plate is drained upward, the high-pressure gas is concentratedly drained through the first drainage ring and the second drainage ring. A plurality of cavity grooves are arranged inside the exhaust hood. Secondly, a sliding groove is arranged inside the exhaust hood, one end of the rotating shaft extends to the inside of the sliding groove, and a plurality of baffles of corresponding size to the cavity groove are arranged on the top of the sliding groove. When the airflow contact piece on the outer wall of the rotating shaft is affected by the flow of high-pressure gas and rotates, the baffle on the top of the rotating shaft rotates with the airflow contact piece, so that the baffle and the cavity groove inside the exhaust hood are in a switch-unblocked state. The high-pressure gas flows inside the equipment to prevent the overall frame of the equipment from being blocked. The high-pressure gas inside the gas bearing plate is discharged to the outside of the gas bearing plate, and the sewage outside the gas bearing plate is bubbled and escaped, so that the gas-liquid interface dissolves oxygen into the water, the air and water are in strong contact, the oxygen in the air is transferred to the water through the overall frame of the equipment, and the oxygen is transferred from the gas phase to the liquid phase to perform water quality conversion;

[0014] 2. A support positioning column is arranged on the inner wall of the gas bearing plate, and one end of the support positioning column is clamped in the positioning limit groove of the outer wall of the gas guide plate, so that the multiple support positioning columns fix the gas guide plate as a whole. At the same time, when the high-pressure gas contacts the support positioning column inside the gas bearing plate, the high-pressure gas concentrated inside the gas guide plate is guided by the support positioning column and the second guide ring, so that the high-pressure gas is secondary guided, passes through the second guide ring and the gas guide plate, and enters the interior of the gas guide plate for the second time, and the high-pressure gas inside the gas guide plate is pressurized and counteracted, so that the flow of the high-pressure gas The high-pressure gas that is pressed upward inside the gas bearing plate makes initial contact with the bottom of the gas bearing plate, so that the gas bearing plate as a whole is disturbed again by the rotating collar on the outer wall of the rotating shaft to form a slow rotation. Under the influence of the continuous high-pressure gas flowing into the gas bearing plate, the more high-pressure gas is injected, the faster the gas bearing plate rotates inside the gas bearing plate, which drives the disturbance direction of the high-pressure gas. The high-pressure gas flows inside the equipment, so that the overall frame of the equipment is prevented from being blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view schematic diagram of the present invention.

[0016] Figure 2 It is a bottom view schematic diagram of the present invention.

[0017] Figure 3 It is a schematic diagram of the explosion of the present invention.

[0018] Figure 4 It is a schematic diagram of the partial structure of the airflow contact piece of the present invention.

[0019] Figure 5 It is a schematic cross-sectional view of the present invention.

[0020] Figure 6 for Figure 5 Enlarged schematic diagram at point A in the middle.

[0021] Figure 7 for Figure 5 Enlarged schematic diagram of point B in the middle.

[0022] Figure 8 for Figure 5 Enlarged schematic diagram at point C in the middle.

[0023] The accompanying drawings are marked as follows: (1) gas bearing plate, (2) positioning rail, (3) exhaust hood, (4) air pipe, (5) positioning ring, (6) supporting torsion rib, (7) positioning groove, (8) part positioning plate, (9) gas guide plate, (10) drainage and boosting groove, (11) drainage ring, (12) supporting positioning column, (13) positioning limit groove, (14) rotating shaft, (15) stabilizing ring, (16) first drainage ring, (17) second drainage ring, (18) reinforcement rib, (19) airflow contact plate, (20) hole groove, (21) balance ring, (22) rotating ring, (23) sliding groove, (24) baffle. DETAILED DESCRIPTION

[0024] 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.

[0025] Refer to the instruction manual Figure 1-7An anti-clogging municipal sewage treatment aeration tank according to an embodiment of the present invention comprises a gas bearing plate 1, the outer wall of the gas bearing plate 1 is fixedly connected with a positioning rail 2, the top of the gas bearing plate 1 is clamped with an exhaust hood 3, the bottom of the gas bearing plate 1 is fixedly connected with an air pipe 4, the outer wall of the air pipe 4 is fixedly connected with a positioning ring 5, and the outer wall of the positioning ring 5 is fitted with the positioning rail 2 of the outer wall of the gas bearing plate 1, the outer wall of the air pipe 4 is sleeved with a supporting torsion rib 6, the gas bearing plate 1 is provided with a positioning groove 7, the interior of the positioning groove 7 is clamped with a part positioning plate 8, the top of the part positioning plate 8 is fixedly connected with a gas guide plate 9, the interior of the gas guide plate 9 is provided with a drainage and pressurization groove 10, the gas bearing plate 1 is fixed to the bottom of the aeration tank, a plurality of air pipes 4 are arranged at the bottom of the gas bearing plate 1, one end of the compressed gas valve is fixed to one end of the air pipe 4, so that the compressed gas and the air pipe 4 The interior of the air pipe 4 is communicated with each other, and at the same time, the interior of the air pipe 4 is communicated with the space inside the gas bearing plate 1. When the compressed gas flows inside the air pipe 4, in order to prevent the air pipe 4 from being deformed due to the high pressure of the gas, a positioning rail 2 is set on the outer wall of the gas bearing plate 1, and the positioning ring 5 on the outer wall of the air pipe 4 is engaged with the outer wall of the positioning rail 2 to ensure the overall stable positioning of multiple air pipes 4. At the same time, a supporting torsion rib 6 is set on the outer wall of the air pipe 4, and the supporting torsion rib 6 is wound around the outer wall of the air pipe 4 as a whole, so that the overall fixed state of the air pipe 4 is strengthened, and a part positioning plate 8 is set inside the gas bearing plate 1, and a gas guide plate 9 is set on the top of the part positioning plate 8. When the high-pressure gas enters the interior of the gas bearing plate 1, the high-pressure gas is disturbed by the drainage and pressurization groove 10 inside the gas guide plate 9, so that the gas is guided upward through the guidance of the gas guide plate 9.

[0026] For further information, please refer to the attached manual. Figure 1-7The number of drainage and pressurizing grooves 10 is multiple groups, and the multiple groups of drainage and pressurizing grooves 10 are arranged in a circular array state about the interior of the gas guide plate 9. The interior of the gas bearing plate 1 is provided with a drainage ring 11, and the interior of the drainage ring 11 is fixedly connected with a support positioning column 12, and one end of the support positioning column 12 is fixedly connected to the inner wall of the gas bearing plate 1. The outer wall of the gas guide plate 9 is provided with a positioning limit groove 13, and one end of the support positioning column 12 is engaged in the interior of the positioning limit groove 13. The top of the part positioning plate 8 is fixedly connected with a rotating shaft 14, and the outer wall of the rotating shaft 14 is fixedly connected with The inner wall of the gas bearing plate 1 is fixedly connected with a first drainage ring 16 and a second drainage ring 17, and the inner part of the second drainage ring 17 is fixedly connected with a reinforcing rib 18. The inner part of the gas bearing plate 1 is provided with an airflow contact sheet 19, and the number of the airflow contact sheets 19 is multiple groups, and the multiple groups of airflow contact sheets 19 are arranged in a circular array state with respect to the outer wall of the rotating ring 22. A support positioning column 12 is arranged on the inner wall of the gas bearing plate 1, and one end of the support positioning column 12 is clamped in the positioning limit groove 13 on the outer wall of the gas guide plate 9, so that the multiple support positioning columns 12 are integrally aligned with the gas bearing plate 1. The whole assembly of the gas guide plate 9 is fixed. At the same time, when the high-pressure gas contacts the support positioning column 12 inside the gas bearing plate 1, the high-pressure gas concentrated inside the gas guide plate 9 is guided by the support positioning column 12 and the second guide ring 17, so that the high-pressure gas is secondary guided. Through the second guide ring 17 and the gas guide plate 9, the high-pressure gas enters the gas guide plate 9 for the second time, and the high-pressure gas inside the gas guide plate 9 is pressurized and counteracted, so that the flow rate of the high-pressure gas is pressurized and discharged. A rotating ring 22 is provided on the outer wall of the rotating shaft 14. 2 is provided with a plurality of inclined airflow contact pieces 19, and the high-pressure gas pressed upward inside the gas bearing plate 1 makes initial contact with the bottom of the airflow contact piece 19, so that the airflow contact piece 19 as a whole is disturbed again by the rotating ring 22 on the outer wall of the rotating shaft 14 to form a slow rotation. Under the influence of the continuous high-pressure gas flowing into the gas bearing plate 1, the more high-pressure gas is injected, the faster the airflow contact piece 19 rotates inside the gas bearing plate 1, driving the disturbance direction of the high-pressure gas, and the high-pressure gas flows inside the device, so that the overall frame of the device is prevented from being blocked;

[0027] For further information, please refer to the attached manual. Figure 1-7A hole groove 20 is provided inside the airflow contact piece 19, and a balance ring 21 is provided inside the hole groove 20. A rotating ring 22 is fixedly connected to the outer wall of the rotating shaft 14, and one end of the airflow contact piece 19 is fixedly connected to the outer wall of the rotating ring 22. A sliding groove 23 is provided inside the exhaust hood 3, and one end of the rotating shaft 14 passes through the exhaust hood 3 and extends to the inside of the sliding groove 23. A baffle 24 is fixedly connected to the outer wall of the rotating shaft 14, and the baffle 24 is arranged inside the sliding groove 23. The number of baffles 24 is multiple groups, and the multiple groups of baffles 24 are arranged in a ring array state with respect to the inside of the sliding groove 23. A balance ring 21 is provided inside the hole groove 20. The balance ring 21 connects the multiple airflow contact pieces 19 to ensure the coordination of the rotation of the multiple airflow contact pieces 19 and the stability of the rotation of the airflow contact pieces 19. A first guide ring 16 and a first guide ring 16 are provided at the top and bottom of the airflow contact piece 19. The second drainage ring 17 allows the high-pressure gas inside the gas bearing plate 1 to be drained upward, and the high-pressure gas is concentratedly drained through the first drainage ring 16 and the second drainage ring 17. A plurality of cavity grooves are arranged inside the exhaust hood 3. Secondly, a sliding groove 23 is arranged inside the exhaust hood 3, one end of the rotating shaft 14 extends to the inside of the sliding groove 23, and a plurality of baffles 24 of corresponding sizes to the cavity grooves are arranged on the top of the sliding groove 23. When the airflow contact piece 19 on the outer wall of the rotating shaft 14 is affected by the flow of high-pressure gas and rotates, the baffle 24 on the top of the rotating shaft 14 rotates with the airflow contact piece 19, so that the baffle 24 and the cavity groove inside the exhaust hood 3 are in a switch-open state. The high-pressure gas flows inside the equipment to prevent the overall frame of the equipment from being blocked, and the high-pressure gas inside the gas bearing plate 1 is discharged to the outside of the gas bearing plate 1, and the sewage outside the gas bearing plate 1 is bubbled and escaped.

[0028] Working principle: When the equipment is used as a whole, the gas bearing plate 1 is fixed to the bottom of the aeration tank, and multiple air pipes 4 are arranged at the bottom of the gas bearing plate 1. One end of the compressed gas valve is fixed to one end of the air pipe 4, so that the compressed gas is communicated with the inside of the air pipe 4. At the same time, the inside of the air pipe 4 is communicated with the space inside the gas bearing plate 1. When the compressed gas flows inside the air pipe 4, in order to prevent the air pipe 4 from being deformed due to the high pressure of the gas, a positioning rail 2 is arranged on the outer wall of the gas bearing plate 1, and the positioning ring 5 on the outer wall of the air pipe 4 is engaged with the outer wall of the positioning rail 2 to ensure the overall stable positioning of the multiple air pipes 4. At the same time, a supporting torsion rib 6 is arranged on the outer wall of the air pipe 4, and the supporting torsion rib 6 is wrapped around the outer wall of the air pipe 4 as a whole, so that the overall fixed state of the air pipe 4 is reinforced. A part positioning plate 8 is arranged inside the gas bearing plate 1, and a gas guide plate 9 is arranged on the top of the part positioning plate 8. When the high-pressure gas enters the gas bearing plate 1 When inside, the high-pressure gas is disturbed by the drainage and pressurizing groove 10 inside the gas guide plate 9, so that the gas is guided upward through the guidance of the gas guide plate 9. A support positioning column 12 is set on the inner wall of the gas bearing plate 1, and one end of the support positioning column 12 is clamped in the positioning and limiting groove 13 on the outer wall of the gas guide plate 9, so that the multiple support positioning columns 12 fix the entire assembly of the gas guide plate 9 as a whole. At the same time, when the high-pressure gas contacts the support positioning column 12 inside the gas bearing plate 1, the support positioning column 12 and the second drainage ring 17 are guided to conduct secondary drainage for the high-pressure gas concentrated inside the gas guide plate 9, and pass through the second drainage ring 17 and the gas guide plate 9. The gas enters the interior of the gas guide plate 9 for the second time, and the high-pressure gas inside the gas guide plate 9 is pressurized and counteracted, so that the flow rate of the high-pressure gas is pressurized and discharged, and the high-pressure gas flows inside the equipment to prevent the overall frame of the equipment from being blocked;

[0029] A rotating ring 22 is provided on the outer wall of the rotating shaft 14, and a plurality of inclined airflow contact pieces 19 are provided on the outer wall of the rotating ring 22. The high-pressure gas pressed upward inside the gas bearing plate 1 makes initial contact with the bottom of the airflow contact piece 19, so that the airflow contact piece 19 as a whole is disturbed again by the rotating ring 22 on the outer wall of the rotating shaft 14 to form a slow rotation. Affected by the continuous high-pressure gas flowing into the gas bearing plate 1, the more high-pressure gas is injected, the faster the airflow contact piece 19 rotates inside the gas bearing plate 1, driving the disturbance direction of the high-pressure gas. A hole groove 20 is provided inside the plurality of airflow contact pieces 19, and a balance ring 21 is provided inside the hole groove 20. The balance ring 21 connects the plurality of airflow contact pieces 19 to ensure the coordination of the rotation of the plurality of airflow contact pieces 19 and the stability of the rotation of the airflow contact pieces 19. A first guide ring 16 and a second guide ring 17 are provided on the top and bottom of the airflow contact piece 19 to allow the high-pressure gas inside the gas bearing plate 1 to be transported to the gas bearing plate 1. During the upward drainage process, the high-pressure gas is concentratedly drained through the first drainage ring 16 and the second drainage ring 17. A plurality of cavity grooves are arranged inside the exhaust hood 3. Secondly, a sliding groove 23 is arranged inside the exhaust hood 3. One end of the rotating shaft 14 extends to the inside of the sliding groove 23. A plurality of baffles 24 of corresponding size to the cavity groove are arranged on the top of the sliding groove 23. When the airflow contact piece 19 on the outer wall of the rotating shaft 14 rotates under the influence of the high-pressure gas flow, the baffle 24 on the top of the rotating shaft 14 rotates with the airflow contact piece 19, so that the baffle 24 and the cavity groove inside the exhaust hood 3 are in a switch-unblocked state. The high-pressure gas flows inside the equipment to prevent the overall frame of the equipment from being blocked. The high-pressure gas inside the gas bearing plate 1 is discharged to the outside of the gas bearing plate 1, and the sewage outside the gas bearing plate 1 is bubbled and escaped, so that the gas-liquid interface dissolves oxygen into the water, the air and water are in strong contact, the oxygen in the air is transferred to the water through the overall frame of the equipment, and the oxygen is transferred from the gas phase to the liquid phase to perform water quality conversion.

[0030] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0031] Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0032] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A clogging-resistant municipal sewage treatment aeration tank, comprising a gas bearing plate (1), characterized in that: The outer wall of the gas bearing plate (1) is fixedly connected with a positioning rail (2), the top of the gas bearing plate (1) is clamped with an exhaust hood (3), the interior of the gas bearing plate (1) is provided with a positioning groove (7), the interior of the positioning groove (7) is clamped with a part positioning plate (8), the top of the part positioning plate (8) is fixedly connected with a gas guide plate (9), the interior of the gas guide plate (9) is provided with a drainage and pressurization groove (10), the interior of the gas bearing plate (1) is provided with a drainage ring (11), and the interior of the drainage ring (11) is fixedly connected with a support positioning column (12).

2. The anti-clogging municipal sewage treatment aeration tank according to claim 1, characterized in that: One end of the support positioning column (12) is fixedly connected to the inner wall of the gas bearing plate (1), the outer wall of the gas guide plate (9) is provided with a positioning limit groove (13), and one end of the support positioning column (12) is engaged in the interior of the positioning limit groove (13), the top of the part positioning plate (8) is fixedly connected to a rotating shaft (14), and the outer wall of the rotating shaft (14) is fixedly connected to a stabilizing collar (15).

3. The anti-clogging municipal sewage treatment aeration tank according to claim 2, characterized in that: The bottom of the gas bearing plate (1) is fixedly connected to an air pipe (4), the outer wall of the air pipe (4) is fixedly connected to a positioning ring (5), and the outer wall of the positioning ring (5) is in contact with the positioning rail (2) on the outer wall of the gas bearing plate (1), and the outer wall of the air pipe (4) is sleeved with supporting torsion ribs (6).

4. The anti-clogging municipal sewage treatment aeration tank according to claim 1, characterized in that: The number of the drainage and pressurizing grooves (10) is multiple, and the multiple groups of drainage and pressurizing grooves (10) are arranged in a ring array state with respect to the interior of the gas guide plate (9).

5. The anti-clogging municipal sewage treatment aeration tank according to claim 1, characterized in that: The inner wall of the gas bearing plate (1) is fixedly connected with a first drainage ring (16) and a second drainage ring (17); the interior of the second drainage ring (17) is fixedly connected with a reinforcing rib (18); and the interior of the gas bearing plate (1) is provided with an airflow contact sheet (19).

6. The anti-clogging municipal sewage treatment aeration tank according to claim 5, characterized in that: A hole groove (20) is provided inside the airflow contact piece (19), a balance ring (21) is provided inside the hole groove (20), a rotating ring (22) is fixedly connected to the outer wall of the rotating shaft (14), and one end of the airflow contact piece (19) is fixedly connected to the outer wall of the rotating ring (22).

7. The anti-clogging municipal sewage treatment aeration tank according to claim 6, characterized in that: The number of the airflow contact pieces (19) is multiple groups, and the multiple groups of airflow contact pieces (19) are arranged in a ring array state with respect to the outer wall of the rotating collar (22).

8. The anti-clogging municipal sewage treatment aeration tank according to claim 1, characterized in that: A sliding groove (23) is provided inside the exhaust hood (3), and one end of the rotating shaft (14) passes through the exhaust hood (3) and extends to the inside of the sliding groove (23). A blocking piece (24) is fixedly connected to the outer wall of the rotating shaft (14), and the blocking piece (24) is arranged inside the sliding groove (23).

9. The anti-clogging municipal sewage treatment aeration tank according to claim 8, characterized in that: The blocking pieces (24) are provided in a plurality of groups, and the plurality of groups of blocking pieces (24) are arranged in a ring array state with respect to the interior of the sliding groove (23).

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