Anti-clogging municipal sewage treatment aeration tank

Abstract

The application discloses an anti-blocking municipal sewage treatment aeration tank, and particularly relates to the technical field of sewage treatment, which comprises a gas bearing disc, the outer wall of the gas bearing disc is fixedly connected with a positioning rail, the top of the gas bearing disc is clamped with an exhaust hood, and the inside of the gas bearing disc is provided with a positioning groove. A plurality of baffle plates with a size corresponding to the cavity groove are arranged on the top of the sliding groove. When the airflow contact plate on the outer wall of the rotating shaft is affected by the high-pressure gas flow and rotates, the baffle plate on the top of the rotating shaft rotates along with the airflow contact plate, so that the baffle plate and the cavity groove in the inside of the exhaust hood are in an open and smooth state. The high-pressure gas flows in the equipment, so that the overall frame of the equipment prevents blocking. The high-pressure gas in the inside of the gas bearing disc is discharged to the outside of the gas bearing disc, the sewage outside the gas bearing disc is dispersed and escapes in the form of bubbles, the gas-liquid interface dissolves oxygen into the water, the air and the water are strongly contacted, the oxygen in the air is transmitted to the water through the overall frame of the equipment, the oxygen is transferred from the gas phase to the liquid phase, and water quality conversion is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the sewage treatment technical field, more particularly, the present application relates to a kind of municipal sewage treatment aeration tank of anti-blocking. BACKGROUND

[0002] When the sewage aeration tank appears blockage, the blockage will affect the normal operation of aeration equipment, weaken or interrupt aeration effect, reduce the oxidation capacity of biological sewage treatment system, thereby affecting the removal efficiency of organic matter and ammonia nitrogen and other pollutants, and the quality of treated water is reduced, secondly, blockage will increase the resistance of aeration equipment, cause the working pressure of equipment to rise, accelerate the wear and aging of equipment, shorten the service life of equipment, increase maintenance and operation cost, in addition, blockage will also cause uneven mixing inside the sewage aeration tank, so that some areas are anoxic, affect the normal metabolism of microorganisms, reduce the treatment efficiency and stability of biological sewage treatment system. SUMMARY

[0003] In order to overcome the above-mentioned defects of the prior art, the embodiments of the present application provide a kind of municipal sewage treatment aeration tank of anti-blocking, by being provided with multiple cavity grooves in the inside of exhaust hood, multiple sliding grooves are provided in the inside of exhaust hood, one end of rotating shaft extends to the inside of sliding groove, multiple baffle plates of corresponding size with cavity groove are provided on the top of sliding groove, when the airflow contact piece of rotating shaft outer wall is affected to rotate by high-pressure gas flow, the baffle plate on the top of rotating shaft is followed by airflow contact piece rotation, so that the baffle plate and the cavity groove in the inside of exhaust hood are in the state of switch unobstructed, by the flow of high-pressure gas in the inside of equipment, the overall frame of equipment prevents blockage, the high-pressure gas in the inside of gas bearing disc is discharged to the outside of gas bearing disc, the sewage outside the gas bearing disc is dispersed and escaped by gas bubble, so that the gas-liquid interface dissolves oxygen into water, air and water are in strong contact, oxygen in air is transmitted to water by the overall frame of equipment, oxygen is mass transfered from gas phase to liquid phase, and water quality conversion is carried out, to solve the problems raised in the above background art.

[0004] In order to achieve the above object, the present application provides the following technical scheme: A municipal sewage treatment aeration tank capable of preventing blockage comprises a gas bearing disc, the outer wall of the gas bearing disc is fixedly connected with a positioning rail, the top of the gas bearing disc is clamped with an exhaust hood, the inside of the gas bearing disc is provided with a positioning groove, the inside of the positioning groove is clamped with a part positioning disc, the top of the part positioning disc is fixedly connected with a gas flow guide disc, the inside of the gas flow guide disc is provided with a drainage booster groove, the inside of the gas bearing disc is provided with a drainage ring, the inside of the drainage ring is fixedly connected with a supporting positioning column, one end of the supporting positioning column is fixedly connected to the inner wall of the gas bearing disc, the outer wall of the gas flow guide disc is provided with a positioning limiting groove, and one end of the supporting positioning column is clamped in the inside of the positioning limiting groove, the top of the part positioning disc is fixedly connected with a rotating shaft, and the outer wall of the rotating shaft is fixedly connected with a stabilizing collar.

[0005] In a preferred embodiment, the bottom of the gas bearing disc is fixedly connected with an air pipe, the outer wall of the air pipe is fixedly connected with a positioning ring, the outer wall of the positioning ring is in close contact with the positioning rail of the outer wall of the gas bearing disc, and the outer wall of the air pipe is sleeved with a supporting torsion rib.

[0006] In a preferred embodiment, the number of the drainage booster grooves is multiple groups, and the multiple groups of drainage booster grooves are arranged in an annular array state with respect to the inside of the gas flow guide disc.

[0007] In a preferred embodiment, the inner wall of the gas bearing disc is fixedly connected with a first drainage ring and a second drainage ring, the inside of the second drainage ring is fixedly connected with a reinforcing rib, the inside of the gas flow contact piece is provided with a hole groove, the inside of the hole groove is provided with a balance ring, the outer wall of the rotating shaft is fixedly connected with a rotating collar, and one end of the gas flow contact piece is fixedly connected to the outer wall of the rotating collar.

[0008] In a preferred embodiment, the number of the gas flow contact pieces is multiple groups, and the multiple groups of gas flow contact pieces are arranged in an annular array state with respect to the outer wall of the rotating collar.

[0009] In a preferred embodiment, the inside of the exhaust hood is provided with a sliding groove, one end of the rotating shaft penetrates through the exhaust hood and extends to the inside of the sliding groove, the outer wall of the rotating shaft is fixedly connected with a baffle, and the baffle is arranged in the inside of the sliding groove.

[0010] In a preferred embodiment, the number of the baffles is multiple groups, and the multiple groups of baffles are arranged in an annular array state with respect to the inside of the sliding groove.

[0011] The technical effects and advantages of the present application are as follows:

[0012] 1. The first and second flow guide rings are arranged at the top and bottom of the gas flow contact sheet, so that when the high-pressure gas in the gas bearing disc is upwardly drained, the high-pressure gas is concentrated and drained through the first and second flow guide rings. A plurality of cavity grooves are arranged in the interior of the exhaust cover. In addition, a sliding groove is arranged in the interior of the exhaust cover. One end of the rotating shaft extends into the interior of the sliding groove. A plurality of baffle plates corresponding in size to the cavity grooves are arranged at the top of the sliding groove. When the gas flow contact sheet on the outer wall of the rotating shaft is affected by the flow of high-pressure gas and rotates, the baffle plate at the top of the rotating shaft rotates with the gas flow contact sheet, so that the baffle plate and the cavity groove in the interior of the exhaust cover are in an open and smooth state. The flow of high-pressure gas in the interior of the equipment prevents the overall frame of the equipment from being blocked. The high-pressure gas in the interior of the gas bearing disc is discharged to the outside of the gas bearing disc. The sewage outside the gas bearing disc is dispersed by bubbles to escape, so that the gas-liquid interface dissolves oxygen into water. Air and water are in strong contact. Oxygen in the air is transferred to water through the overall frame of the equipment. Oxygen is mass transferred from the gas phase to the liquid phase to convert water quality.

[0013] 2. A support positioning column is arranged on the inner wall of the gas bearing disc. One end of the support positioning column is clamped in the positioning limiting groove on the outer wall of the gas flow guide disc, so that the plurality of support positioning columns fix the overall assembly of the gas flow guide disc. When high-pressure gas contacts the support positioning column in the interior of the gas bearing disc, the support positioning column guides the second flow guide ring to concentrate the high-pressure gas in the interior of the gas flow guide disc for secondary drainage. The high-pressure gas in the interior of the gas flow guide disc is pressurized and collides through the secondary drainage between the second flow guide ring and the gas flow guide disc, so that the flow rate of the high-pressure gas is pressurized and discharged. A rotating sleeve ring is arranged on the outer wall of the rotating shaft. A plurality of gas flow contact sheets in an inclined state are arranged on the outer wall of the rotating sleeve ring. The high-pressure gas upwardly pressurized in the interior of the gas bearing disc initially contacts the bottom of the gas flow contact sheet, so that the gas flow contact sheet rotates again through the rotating sleeve ring on the outer wall of the rotating shaft to form a slow rotation. The more high-pressure gas injected into the interior of the gas bearing disc, the faster the gas flow contact sheet rotates in the interior of the gas bearing disc, which drives the disturbance direction of the high-pressure gas. The flow of high-pressure gas in the interior of the equipment prevents the overall frame of the equipment from being blocked. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of the present application.

[0015] Figure 2 It is a bottom view of the present application.

[0016] Figure 3 It is an explosion diagram of the present application.

[0017] Figure 4 It is a partial structure diagram of the gas flow contact sheet of the present application.

[0018] Figure 5 is a schematic view of a cross section of the present application.

[0019] Figure 6 is Figure 5 is an enlarged view of A in the middle.

[0020] Figure 7 is Figure 5 is an enlarged view of B in the middle.

[0021] Figure 8 is Figure 5 is an enlarged view of C in the middle.

[0022] The figure marks are: (1) gas bearing disc, (2) positioning rail, (3) exhaust cover, (4) air pipe, (5) positioning ring, (6) support torsion bar, (7) positioning groove, (8) part positioning disc, (9) gas flow guide disc, (10) drainage booster groove, (11) drainage ring, (12) support positioning column, (13) positioning limiting groove, (14) rotating shaft, (15) stabilizing collar, (16) first drainage ring, (17) second drainage ring, (18) reinforcing rib, (19) air flow contact sheet, (20) hole groove, (21) balance ring, (22) rotating collar, (23) sliding groove, (24) baffle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present application.

[0024] Refer to the drawings in the description Figures 1-7The embodiment of the application discloses a municipal sewage treatment aeration tank capable of preventing blockage, which comprises a gas bearing disc 1, a positioning rail 2 is fixedly connected to the outer wall of the gas bearing disc 1, an exhaust hood 3 is clamped to the top of the gas bearing disc 1, a gas pipe 4 is fixedly connected to the bottom of the gas bearing disc 1, a positioning ring 5 is fixedly connected to the outer wall of the gas pipe 4, the outer wall of the positioning ring 5 is in close contact with the positioning rail 2 of the outer wall of the gas bearing disc 1, a supporting torsion rib 6 is sleeved on the outer wall of the gas pipe 4, a positioning groove 7 is formed in the gas bearing disc 1, a part positioning disc 8 is clamped in the positioning groove 7, a gas flow guide disc 9 is fixedly connected to the top of the part positioning disc 8, and a drainage booster groove 10 is formed in the gas flow guide disc 9. The gas bearing disc 1 is fixed at the bottom of the aeration tank, a plurality of gas pipes 4 are arranged at the bottom of the gas bearing disc 1, one end of a compressed gas valve is fixed to one end of the gas pipe 4, so that the compressed gas is communicated with the inside of the gas pipe 4, at the same time, the inside of the gas pipe 4 is communicated with the space in the gas bearing disc 1. When the compressed gas flows in the gas pipe 4, in order to avoid that the gas pipe 4 is deformed due to high pressure of the gas, the positioning rail 2 is arranged on the outer wall of the gas bearing disc 1, the positioning ring 5 of the outer wall of the gas pipe 4 is engaged with the outer wall of the positioning rail 2, so that the plurality of gas pipes 4 are stably positioned as a whole. Meanwhile, the supporting torsion rib 6 is arranged on the outer wall of the gas pipe 4, the supporting torsion rib 6 is integrally wound on the outer wall of the gas pipe 4, so that the fixing state of the gas pipe 4 as a whole is reinforced. The part positioning disc 8 is arranged in the gas bearing disc 1, the gas flow guide disc 9 is arranged on the top of the part positioning disc 8, when the high-pressure gas enters the inside of the gas bearing disc 1, the high-pressure gas is subjected to flow disturbance treatment through the drainage booster groove 10 in the gas flow guide disc 9, so that the gas is guided and concentrated upwards by the gas flow guide disc 9.

[0025] Further, refer to the description of the attached drawings Figures 1-7The number of the drainage booster groove 10 is multiple groups, and the multiple groups of drainage booster grooves 10 are arranged in a ring array state about the inside of the gas guide disc 9. The inside of the gas bearing disc 1 is provided with a drainage ring 11. The inside of the drainage ring 11 is fixedly connected with a supporting positioning column 12. One end of the supporting positioning column 12 is fixedly connected to the inner wall of the gas bearing disc 1. The outer wall of the gas guide disc 9 is provided with a positioning limiting groove 13. One end of the supporting positioning column 12 is clamped in the inside of the positioning limiting groove 13. The top of the part positioning disc 8 is fixedly connected with a rotating shaft 14. The outer wall of the rotating shaft 14 is fixedly connected with a stable sleeve ring 15. The inner wall of the gas bearing disc 1 is fixedly connected with a first drainage ring 16 and a second drainage ring 17. The inside of the second drainage ring 17 is fixedly connected with a reinforcing rib 18. The inside of the gas bearing disc 1 is provided with a gas flow contact piece 19. The number of the gas flow contact piece 19 is multiple groups, and the multiple groups of gas flow contact pieces 19 are arranged in a ring array state about the outer wall of the rotating sleeve ring 22. The supporting positioning column 12 is arranged on the inner wall of the gas bearing disc 1. One end of the supporting positioning column 12 is clamped in the positioning limiting groove 13 on the outer wall of the gas guide disc 9. The multiple supporting positioning columns 12 as a whole fix the overall assembly of the gas guide disc 9. At the same time, when the high-pressure gas contacts the supporting positioning column 12 in the inside of the gas bearing disc 1, the high-pressure gas concentrated in the inside of the gas guide disc 9 is guided by the supporting positioning column 12 and the second drainage ring 17 for secondary drainage. The high-pressure gas in the inside of the gas guide disc 9 is subjected to pressure boosting and collision treatment through the second drainage ring 17 and the gas guide disc 9, so that the flow rate of the high-pressure gas is boosted and discharged. The rotating sleeve ring 22 is arranged on the outer wall of the rotating shaft 14. The multiple gas flow contact pieces 19 in an inclined state are arranged on the outer wall of the rotating sleeve ring 22. The high-pressure gas upwardly punched in the inside of the gas bearing disc 1 initially contacts the bottom of the gas flow contact piece 19, so that the gas flow contact piece 19 is again disturbed to form slow rotation through the rotating sleeve ring 22 on the outer wall of the rotating shaft 14. Influenced by the continuous inflow of the high-pressure gas into the inside of the gas bearing disc 1, the more high-pressure gas injected, the faster the gas flow contact piece 19 rotates in the inside of the gas bearing disc 1, which drives the disturbance direction of the high-pressure gas. Through the flow of the high-pressure gas in the equipment, the overall frame of the equipment prevents blockage.

[0026] Further, refer to the description of the drawings Figures 1-7, the inside of the airflow contact piece 19 is provided with a hole groove 20, the inside of the hole groove 20 is provided with a balance ring 21, the outer wall of the rotating shaft 14 is fixedly connected with a rotating sleeve ring 22, and one end of the airflow contact piece 19 is fixedly connected to the outer wall of the rotating sleeve ring 22. The inside of the exhaust cover 3 is provided with a sliding groove 23, and one end of the rotating shaft 14 penetrates the exhaust cover 3 to the inside of the sliding groove 23, the outer wall of the rotating shaft 14 is fixedly connected with a baffle 24, and the baffle 24 is arranged in the sliding groove 23, the number of the baffle 24 is multiple groups, and the multiple groups of baffles 24 are arranged in an annular array state about the inside of the sliding groove 23, the balance ring 21 is arranged in the hole groove 20, the connection between the multiple airflow contact pieces 19 is ensured through the balance ring 21, the coordination of the rotation between the multiple airflow contact pieces 19 and the stability of the rotation of the airflow contact piece 19 are ensured, the first drainage ring 16 and the second drainage ring 17 are arranged at the top and the bottom of the airflow contact piece 19, so that when the high-pressure gas in the gas bearing disc 1 is upwardly drained, the high-pressure gas is concentrated and drained through the first drainage ring 16 and the second drainage ring 17, multiple cavity grooves are arranged in the inside of the exhaust cover 3, and then the sliding groove 23 is arranged in the inside of the exhaust cover 3, one end of the rotating shaft 14 extends to the inside of the sliding groove 23, multiple baffles 24 corresponding in size to the cavity grooves are arranged at the top of the sliding groove 23, when the airflow contact piece 19 on the outer wall of the rotating shaft 14 is rotated under the influence of the high-pressure gas flow, the baffles 24 at the top of the rotating shaft 14 rotate with the airflow contact piece 19, so that the baffles 24 and the cavity grooves in the inside of the exhaust cover 3 are in an open and smooth state, the high-pressure gas flows in the inside of the equipment, so that the overall frame of the equipment prevents blockage, the high-pressure gas in the gas bearing disc 1 is discharged to the outside of the gas bearing disc 1, and the sewage outside the gas bearing disc 1 is dispersed and escaped by bubbles.

[0027] Working principle: the whole use of the device, the gas bearing disc 1 is fixed at the bottom of the aeration tank, a plurality of gas pipes 4 are arranged at the bottom of the gas bearing disc 1, one end of the compressed gas valve is fixed at one end of the gas pipe 4, so that the compressed gas communicates with the inside of the gas pipe 4, at the same time, the inside of the gas pipe 4 communicates with the space inside the gas bearing disc 1, when the compressed gas flows in the inside of the gas pipe 4, in order to avoid the deformation of the gas pipe 4 caused by high pressure of the gas, the positioning rail 2 is arranged on the outer wall of the gas bearing disc 1, the positioning ring 5 on the outer wall of the gas pipe 4 is engaged with the outer wall of the positioning rail 2, which ensures the stable positioning of the plurality of gas pipes 4, at the same time, the support torsion rib 6 is arranged on the outer wall of the gas pipe 4, the support torsion rib 6 is wound on the outer wall of the gas pipe 4, so that the fixing state of the gas pipe 4 is reinforced, the part positioning disc 8 is arranged in the gas bearing disc 1, the gas flow guide disc 9 is arranged on the top of the part positioning disc 8, when the high pressure gas enters the inside of the gas bearing disc 1, the high pressure gas is disturbed by the flow guide booster groove 10 in the inside of the gas flow guide disc 9, so that the gas is guided upward by the gas flow guide disc 9, the support positioning column 12 is arranged on the inner wall of the gas bearing disc 1, one end of the support positioning column 12 is clamped in the positioning limiting groove 13 on the outer wall of the gas flow guide disc 9, so that the plurality of support positioning columns 12 fix the whole assembly of the gas flow guide disc 9, at the same time, when the high pressure gas contacts the support positioning column 12 in the inside of the gas bearing disc 1, the high pressure gas concentrated in the inside of the gas flow guide disc 9 is guided by the support positioning column 12 and the second flow guide ring 17, so that the high pressure gas is guided twice between the second flow guide ring 17 and the gas flow guide disc 9, and the high pressure gas in the inside of the gas flow guide disc 9 is pressurized and collides, so that the flow rate of the high pressure gas is pressurized and discharged, and the high pressure gas flows in the inside of the device, so that the whole frame of the device prevents blockage;

[0028] The rotating sleeve 22 is arranged on the outer wall of the rotating shaft 14, a plurality of inclined gas flow contact pieces 19 are arranged on the outer wall of the rotating sleeve 22, the high-pressure gas upwardly punched in the gas bearing disc 1 is first contacted with the bottom of the gas flow contact piece 19, so that the whole gas flow contact piece 19 is disturbed again by the rotating sleeve 22 on the outer wall of the rotating shaft 14 to form slow rotation, and the injected high-pressure gas is more, the rotating speed of the gas flow contact piece 19 in the gas bearing disc 1 is faster, and the disturbance direction of the high-pressure gas is driven, a plurality of hole grooves 20 are arranged in the gas flow contact piece 19, a balance ring 21 is arranged in the hole groove 20, the connection between the plurality of gas flow contact pieces 19 is ensured through the balance ring 21, the coordination of the rotation between the plurality of gas flow contact pieces 19 is ensured, and the stability of the rotation of the gas flow contact piece 19 is ensured, the first drainage ring 16 and the second drainage ring 17 are arranged at the top and the bottom of the gas flow contact piece 19, so that when the high-pressure gas in the gas bearing disc 1 is upwardly drained, 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 in the exhaust cover 3, and then a sliding groove 23 is arranged in the exhaust cover 3, one end of the rotating shaft 14 extends into the sliding groove 23, a plurality of baffle plates 24 corresponding in size to the cavity grooves are arranged at the top of the sliding groove 23, when the gas flow contact piece 19 on the outer wall of the rotating shaft 14 is rotated under the influence of the high-pressure gas flow, the baffle plate 24 at the top of the rotating shaft 14 rotates with the gas flow contact piece 19, so that the baffle plate 24 and the cavity groove in the exhaust cover 3 are in an on-off smooth state, the high-pressure gas flows in the equipment, the overall frame of the equipment prevents blockage, the high-pressure gas in the gas bearing disc 1 is discharged to the outside of the gas bearing disc 1, the sewage outside the gas bearing disc 1 is dispersed and escaped by bubbles, oxygen is dissolved into water by the gas-liquid interface, air and water are strongly contacted, oxygen in the air is transmitted to water through the overall frame of the equipment, and mass transfer is performed from the gas phase to the liquid phase to convert water quality.

[0029] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0030] Secondly: the present application discloses the structure involved in the embodiment of the present application, other structures can refer to the usual design, and the same embodiment and different embodiments of the present application can be combined with each other under the condition of no conflict;

[0031] Finally: the above only for the preferred embodiments of the present application, and not for limiting the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A clog resistant municipal sewage treatment aeration basin comprising a gas carrying disc (1) characterised in that: The outer wall of the gas bearing disc (1) is fixedly connected with a positioning rail (2), the top of the gas bearing disc (1) is clamped with an exhaust cover (3), the inside of the gas bearing disc (1) is provided with a positioning groove (7), the inside of the positioning groove (7) is clamped with a part positioning disc (8), the top of the part positioning disc (8) is fixedly connected with a gas flow guide disc (9), the inside of the gas flow guide disc (9) is provided with a drainage booster groove (10), the inside of the gas bearing disc (1) is provided with a drainage ring (11), and the inside of the drainage ring (11) is fixedly connected with a supporting positioning column (12). One end of the supporting positioning column (12) is fixedly connected to the inner wall of the gas bearing disc (1), the outer wall of the gas flow guide disc (9) is provided with a positioning limiting groove (13), and one end of the supporting positioning column (12) is clamped in the inside of the positioning limiting groove (13), the top of the part positioning disc (8) is fixedly connected with a rotating shaft (14), and the outer wall of the rotating shaft (14) is fixedly connected with a stable sleeve ring (15). The inner wall of the gas bearing disc (1) is fixedly connected with a first drainage ring (16) and a second drainage ring (17), the inside of the second drainage ring (17) is fixedly connected with a reinforcing rib (18), and the inside of the gas bearing disc (1) is provided with a gas flow contact piece (19). The inside of the gas flow contact piece (19) is provided with a hole groove (20), the inside of the hole groove (20) is provided with a balance ring (21), the outer wall of the rotating shaft (14) is fixedly connected with a rotating sleeve ring (22), and one end of the gas flow contact piece (19) is fixedly connected to the outer wall of the rotating sleeve ring (22). The number of the gas flow contact pieces (19) is multiple groups, and the multiple groups of gas flow contact pieces (19) are arranged in an annular array state about the outer wall of the rotating sleeve ring (22).

2. A clog resistant municipal sewage treatment aeration basin according to claim 1, wherein: The bottom of the gas bearing disc (1) is fixedly connected with a gas pipe (4), the outer wall of the gas pipe (4) is fixedly connected with a positioning ring (5), the outer wall of the positioning ring (5) is attached to the positioning rail (2) of the outer wall of the gas bearing disc (1), and the outer wall of the gas pipe (4) is sleeved with a supporting torsion rib (6).

3. A clog resistant municipal sewage treatment aeration basin according to claim 1, wherein: The number of the drainage booster grooves (10) is multiple groups, and the multiple groups of drainage booster grooves (10) are arranged in an annular array state about the inside of the gas flow guide disc (9).

4. A clog resistant municipal sewage treatment aeration basin according to claim 1, wherein: The inside of the exhaust cover (3) is provided with a sliding groove (23), one end of the rotating shaft (14) penetrates through the exhaust cover (3) and extends into the inside of the sliding groove (23), the outer wall of the rotating shaft (14) is fixedly connected with a baffle (24), and the baffle (24) is arranged in the inside of the sliding groove (23).

5. A non-clogging municipal sewage treatment aeration tank according to claim 4, characterized in that: The number of the baffles (24) is multiple groups, and the multiple groups of baffles (24) are arranged in an annular array state about the inside of the sliding groove (23).

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