CN218077242U - Sewage plant waste gas immobilization microorganism processing apparatus - Google Patents

Abstract

The application relates to a sewage plant waste gas immobilized microorganism treatment device, which comprises a box body, an opening and closing cover and an air inlet pipe, wherein the upper surface of the opening and closing cover is fixed and communicated with an exhaust pipe; the spraying component comprises a spraying pipe, a circulating pump and a rotary nozzle; the lower end of the spray pipe is provided with a lower filter screen. Waste gas of sewage factory passes through the intake pipe and gets into in the box, the circulating pump work back, go into the shower with the condensate pump of bottom half, spray supreme filter screen through rotating nozzle afterwards, waste gas after spraying filtration treatment filters the back from the blast pipe discharge through the microorganism gathering board, dust particle in the waste gas deposits back formation mud and gathering diapire in the box, the shower lower extreme sets up down the filter screen, can reduce the probability that the shower was blockked up by mud, the work efficiency of handling waste gas has been improved, sewage plant waste gas immobilization microbial treatment device's normal operating has been promoted.

Description

Sewage plant waste gas immobilization microorganism processing apparatus

Technical Field

The utility model relates to an exhaust-gas treatment technical field, in particular to sewage factory waste gas immobilization microorganism processing apparatus.

Background

The waste gas treatment mainly refers to the treatment of industrial waste gas such as dust particles, smoke and dust, peculiar smell gas and toxic and harmful gas generated in industrial places. In the process of putting sewage plants into production, a large amount of waste gas is generated, which often has harmful effects on the environment and human health, and purification measures are taken before the waste gas is discharged into the atmosphere, so that the waste gas meets the requirements of waste gas emission standards.

A waste gas treatment apparatus using a microorganism is disclosed in chinese utility model patent publication No. CN 108211702A. The invention comprises a condensation chamber and a microorganism processing chamber, wherein the condensation chamber comprises a spray pipe, an air inlet, a filling layer, a circulating pump and an exhaust fan, and the microorganism processing chamber comprises a microorganism gathering plate and an exhaust port; the microorganism gathering plates are arranged at the top and the bottom of the microorganism processing chamber and are arranged at intervals to form a snake-shaped channel; the exhaust port is arranged on the right side of the microorganism processing chamber.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the waste gas of sewage factory contains a large amount of dust particles usually, and in the process of treating the waste gas of sewage factory containing a large amount of dust by using the waste gas treatment device, the dust-containing waste gas is precipitated by spraying condensate, and sludge is easily gathered at the bottom of a condensation chamber, so that a spray pipe for water circulation is blocked, and the normal use of the device is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a sewage plant waste gas immobilization microorganism processing apparatus.

The above technical object of the present invention can be achieved by the following technical solutions: a sewage plant waste gas immobilized microorganism treatment device comprises a box body with an opening at the top, an opening and closing cover hinged to the top of the box body and used for closing the opening, and an air inlet pipe fixed to and communicated with the side wall of the box body, wherein an exhaust pipe is fixed to and communicated with the upper surface of the opening and closing cover, a microorganism gathering plate and an upper filter screen are arranged in the box body, the height of the upper surface of the upper filter screen is smaller than that of the bottom of the microorganism gathering plate, and a spraying assembly used for spraying condensate is arranged on the box body;

the spraying assembly comprises a spraying pipe, one end of the spraying pipe penetrates through the side wall of the box body and is fixed at a position close to the bottom of the box body, the other end of the spraying pipe penetrates through the side wall of the box body and extends to a position between the microorganism gathering plate and the upper filter screen, and the spraying assembly further comprises a circulating pump arranged on the spraying pipe and a rotary nozzle fixed and communicated with the bottom of the spraying pipe;

and a lower filter screen is arranged at the lower end of the spray pipe.

Through adopting above-mentioned technical scheme, sewage factory waste gas passes through in the intake pipe gets into the box, circulating pump work back, go into the shower with the condensate pump of bottom half, spray supreme filter screen through rotating nozzle afterwards, waste gas after spraying filtration treatment filters the back through the microorganism aggregation board and discharges from the blast pipe, dust particle in the waste gas deposits back formation mud and gathering diapire in the box, the shower lower extreme sets up down the filter screen, can reduce the probability that the shower is blockked up by mud, the work efficiency of handling waste gas is improved, sewage factory waste gas immobilization microbial treatment device's normal operating has been promoted. Further, the lower filter screen is spherical.

By adopting the technical scheme, the filtering range of the lower filter screen is enlarged due to the spherical shape, the probability that meshes on the lower filter screen are blocked due to the accumulation of sludge around the lower filter screen is reduced, and the circulation use of condensate through the spray pipe is facilitated.

Furthermore, the outer side wall of the box body is fixedly provided with an L-shaped supporting rod, the bottom of the box body is provided with a discharging assembly, and the discharging assembly comprises a funnel, a discharging pipe and an electromagnetic valve, wherein the funnel is fixed and communicated with the bottom of the box body, the discharging pipe is fixed and communicated with the bottom of the funnel, and the electromagnetic valve is arranged on the discharging pipe.

Through adopting above-mentioned technical scheme, when needs discharge mud, the staff can open the solenoid valve and make mud pass through the unloading pipe discharge, has reduced because of mud piles up too much and influences the probability of condensate circulation.

Furthermore, go up the filter screen edge and be fixed with the filter screen frame, the mounting groove that supplies the filter screen frame to slide and connect is all seted up to the inner wall of box both sides, the lateral wall that the inside one side of box was kept away from to the filter screen frame is fixed with the stopper, just the lateral wall that the inside one side of box was kept away from to the stopper is fixed with the handle.

Through adopting above-mentioned technical scheme, the staff can pull out the filter screen frame and wash last filter screen through the handle, has reduced because of last filter screen blocking influences the probability of waste gas filter effect.

Further, be provided with spacing subassembly on the box, spacing subassembly includes the piece of placing, runs through the montant of placing the piece and sliding the connection, with the montant upper end rotation pulling piece of being connected and with the fixed spacing post of montant lower extreme of being close to the position fixed connection at stopper top with the box lateral wall, spacing post one side and the lateral wall butt of stopper one side.

Through adopting above-mentioned technical scheme, when need not to wash the filter screen, spacing post and stopper butt have reduced the probability that the filter screen was rocked because of the device and the automatic roll-off of factor.

Furthermore, the position of the side wall of the vertical rod close to the limiting column is provided with an external thread, and the placing block is provided with an internal thread for connecting the external thread with the thread.

Through adopting above-mentioned technical scheme, when the filter screen was washd to needs, mention and pull the piece and rotatory montant, make the montant with place a threaded connection, drive spacing post and keep mentioning the state, make things convenient for the staff to pull out and go up the filter screen and wash.

Further, the spring is sleeved on the vertical rod, the upper end of the spring is fixed to the bottom surface of the pulling block, and the lower end of the spring is fixed to the upper surface of the placing block.

Through adopting above-mentioned technical scheme, the spring makes the pulling piece keep fixed position for spacing post keeps the state with the stopper butt, has further reduced the automatic probability of roll-off of last filter screen.

Further, the bottom wall has seted up the arc wall in the mounting groove, filter screen frame bottom inlays and is equipped with the ball with arc wall roll connection.

Through adopting above-mentioned technical scheme, ball and arc wall roll connection have reduced the gliding resistance of filter screen frame and mounting groove for the staff pulls out the filter screen more laborsaving.

Furthermore, an annular rubber sheet is fixedly sleeved on the outer side of the filter screen frame, one side of the annular rubber sheet is tightly abutted to the outer side wall of the box body, and the other side of the annular rubber sheet is tightly abutted to the side wall of the limiting block.

Through adopting above-mentioned technical scheme, the annular sheet rubber adopts rubber materials to make, and its surface has great coefficient of friction, and after stopper and filter screen frame cooperation supported tight annular sheet rubber, the annular sheet rubber has strengthened the leakproofness of stopper to the mounting groove, has reduced the probability that waste gas passes through the mounting groove notch and leaks.

Furthermore, the inner wall of the box body is fixed with an active carbon filter screen which is arranged between the microorganism gathering plate and the spray pipe.

By adopting the technical scheme, the activated carbon has the effects of adsorbing harmful substances, removing peculiar smell and purifying gas, and the waste gas is sprayed and then filtered by the activated carbon filter screen, so that the waste gas treatment effect is further improved.

To sum up, the utility model discloses following beneficial effect has:

1. in this application, sewage factory waste gas passes through in the intake pipe entering box, after the circulating pump work, go into the shower with the condensate pump of bottom half, spray supreme filter screen through rotating nozzle afterwards, waste gas after spraying filtration treatment filters the back through microorganism gathering board and discharges from the blast pipe, dust particle in the waste gas deposits back formation mud and gathering diapire in the box, the shower lower extreme sets up down the filter screen, can reduce the probability that the shower is blockked up by mud, the work efficiency of handling waste gas is improved, sewage factory waste gas immobilization microbial treatment device's normal operating has been promoted.

2. In this application, the spherical filtration scope that makes down the filter screen enlarges, has reduced because of mud piles up around filter screen down, and makes the probability that the mesh on the filter screen takes place to block up down reduce, is favorable to the condensate to pass through shower recycle.

3. In this application, when needs discharge mud, the staff can open the solenoid valve and make mud pass through the unloading pipe discharge, has reduced because of mud piles up too much and influences the probability of condensate circulation.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 1;

FIG. 4 is a schematic sectional view for showing the arc-shaped groove and the ball;

fig. 5 is a schematic view of the upper filter screen structure according to the embodiment of the present invention.

In the figure: 1. a box body; 2. opening and closing the cover; 21. a lock; 3. an air inlet pipe; 4. an exhaust pipe; 5. a microorganism-aggregating plate; 51. a fixed block; 52. an annular mounting plate; 6. a filter screen is arranged; 61. a filter screen frame; 62. a limiting block; 63. a handle; 64. an arc-shaped slot; 65. a ball bearing; 66. an annular rubber sheet; 67. mounting grooves; 7. a spray assembly; 71. a shower pipe; 72. a circulation pump; 73. rotating the nozzle; 8. a lower filter screen; 9. an L-shaped support bar; 10. a discharge assembly; 101. a funnel; 102. a discharging pipe; 103. an electromagnetic valve; 11. a limiting component; 111. placing the blocks; 112. a vertical rod; 113. pulling the block; 114. a limiting post; 12. an external thread; 13. a spring; 14. an active carbon filter screen.

Detailed Description

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; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

As shown in fig. 1-5, the embodiment of the application discloses a sewage plant waste gas immobilized microorganism treatment device, which comprises a box body 1, an opening and closing cover 2, an air inlet pipe 3, an exhaust pipe 4, a microorganism gathering plate 5, an upper filter screen 6, a spraying assembly 7, a lower filter screen 8, an L-shaped support rod 9 and a discharging assembly 10. The box body 1 is hollow, and the top of the box body 1 is open. The opening and closing cover 2 is of a rectangular plate-shaped structure, and the opening and closing cover 2 is hinged to the top of the box body 1 and used for covering an opening in the top of the box body 1. Intake pipe 3 is the tubular structure of level setting, and intake pipe 3 sets up on the position that box 1 is close to interior diapire, and intake pipe 3 is fixed and the intercommunication with 1 lateral wall of box. The exhaust pipe 4 is a vertically arranged tubular structure, and the exhaust pipe 4 is fixed on the upper surface of the opening and closing cover 2 and communicated with the interior of the box body 1. Microorganism aggregation board 5 is rectangle platelike structure, and microorganism aggregation board 5 is equipped with the polylith, and microorganism aggregation board 5 sets up in box 1 inside near the position of box 1 open-top alternately, forms snakelike passageway. The upper filter screen 6 is a filter screen with a rectangular cross section, the upper filter screen 6 is arranged in the box body 1, and the height of the upper surface of the upper filter screen 6 is smaller than that of the bottom of the microorganism gathering plate 5.

The spraying assembly 7 is installed on the box body 1 and is used for circularly spraying condensate, and the spraying assembly 7 comprises a spraying pipe 71, a circulating pump 72 and a rotary nozzle 73. The spraying pipe 71 is in a U-shaped tubular structure, one end of the spraying pipe 71 penetrates through the side wall of the box body 1 and is close to the bottom of the box body 1 and fixed, and the other end of the spraying pipe 71 penetrates through the side wall of the box body 1 and extends to a position between the microorganism gathering plate 5 and the upper filter screen 6. The circulating pump 72 is installed at a position of the shower pipe 71 outside the tank 1, and is used for pumping the condensate into the shower pipe 71 from the bottom of the tank 1. The rotary nozzles 73 are fixed to and communicate with the bottom of the shower pipe 71, and a plurality of rotary nozzles 73 are provided. The lower filter screen 8 is arranged at the lower end of the spray pipe 71, the lower filter screen 8 is spherical, and the diameter of the lower filter screen 8 is larger than the outer diameter of the spray pipe 71. Spherical lower filter screen 8 for lower filter screen 8's filtration scope enlarges, has reduced because of mud piles up around lower filter screen 8, and the probability that makes the mesh on the lower filter screen 8 take place to block up reduces, is favorable to the condensate to pass through shower 71 cycle. L shape bracing piece 9 is L shape rod-like structure, and L shape bracing piece 9 horizontal position one end and 1 outer wall fixed connection of box, and L shape bracing piece 9 is equipped with a plurality ofly.

The discharging assembly 10 is installed at the bottom of the box body 1 and used for discharging the filtered accumulated sludge, and the discharging assembly 10 comprises a hopper 101, a discharging pipe 102 and an electromagnetic valve 103. The upper end of the funnel 101 is fixed and communicated with the bottom of the box body 1. The blanking pipe 102 is a vertically arranged tubular structure, and the upper end of the blanking pipe 102 is fixedly connected and communicated with the lower end of the funnel 101. The electromagnetic valve 103 is used for controlling the opening and closing of the blanking pipe 102, and the electromagnetic valve 103 is fixedly sleeved on the surface of the blanking pipe 102.

Waste gas of a sewage plant enters the box body 1 through the air inlet pipe 3, the circulating pump 72 works, condensate pump in the bottom of the box body 1 is pumped into the spraying pipe 71, then, the condensate pump sprays to the upper filter screen 6 through the rotary nozzle 73, the waste gas after spraying and filtering treatment is discharged from the exhaust pipe 4 after being filtered by the microorganism gathering plate 5, dust particles in the waste gas precipitate to form sludge and gather at the inner bottom wall of the box body 1, a worker can discharge the sludge from the discharging pipe 102 by opening the electromagnetic valve 103, the lower end of the spraying pipe 71 is provided with the lower filter screen 8, the probability that the spraying pipe 71 is blocked by the sludge can be reduced, the work efficiency of waste gas treatment is improved, and the normal operation of the waste gas immobilization microorganism treatment device of the sewage plant is promoted.

In order to facilitate the regular inspection of the microorganism gathering plate 5, the opening and closing cover 2 is provided with a lock 21 for opening and closing the opening and closing cover 2 at a position far away from the hinge shaft and on the outer wall of the box body 1, the side wall of the box body 1 is fixedly connected with a fixed block 51, an annular mounting plate 52 is arranged on the upper surface of the fixed block 51, and the microorganism gathering plate 5 is fixed on the inner wall of the annular mounting plate 52. When the microorganism collecting plate 5 needs to be checked, the worker opens the opening and closing cover 2 by opening the lock 21, and then takes out the ring-shaped mounting plate 52, so that the microorganism collecting plate 5 can be taken out.

For the convenience of cleaning the upper filter screen 6, the edge of the upper filter screen 6 is fixed with the filter screen frame 61, the mounting groove 67 for sliding and connecting the filter screen frame 61 is all set up on the inner wall of 1 both sides of the box, the side wall of 1 inside one side of the box is kept away from by the filter screen frame 61 is fixed with the limiting block 62, and the side wall of 1 inside one side of the box is kept away from by the limiting block 62 is fixed with the handle 63, the staff can pull out the filter screen frame 61 through the handle 63 and clean the upper filter screen 6, and the probability of influencing the waste gas filtering effect due to the blockage of the upper filter screen 6 is reduced.

In order to reduce the probability that the upper filter screen 6 automatically slides out due to factors such as shaking of the device, the box body 1 is provided with the limiting component 11, the limiting component 11 is used for fixing the position of the upper filter screen 6, and the limiting component 11 comprises a placing block 111, a vertical rod 112, a pulling block 113 and a limiting column 114. The placing block 111 is of a cuboid block structure, and the placing block 111 is fixed on the position, close to the top of the limiting block 62, of the outer side wall of the box body 1. The vertical rod 112 is a round rod-shaped structure, and the vertical rod 112 penetrates through the placing block 111 and is connected in a sliding manner. The pulling block 113 is a cylindrical structure, and the bottom of the pulling block 113 is rotatably connected with the upper end of the vertical rod 112. The limiting column 114 is a round rod structure, the upper end of the limiting column 114 is fixedly connected with the lower end of the vertical rod 112, and one side of the limiting column 114 is abutted against the side wall of one side of the limiting block 62. When the upper filter screen 6 is not required to be cleaned, the limiting column 114 is abutted to the limiting block 62, so that the purpose of reducing the probability that the upper filter screen 6 automatically slides out due to factors such as shaking of the device is achieved.

In order to facilitate the pulling of the upper filter screen 6 by the worker, the outer thread 12 is arranged on the position, close to the limiting column 114, of the side wall of the vertical rod 112, the inner thread for threaded connection of the outer thread 12 is formed in the placing block 111, when the upper filter screen 6 needs to be cleaned, the pulling block 113 is lifted and the vertical rod 112 is rotated, the vertical rod 112 is enabled to be in threaded connection with the placing block 111, the limiting column 114 is driven to keep a lifting state, and the limiting column 114 can not block the worker from pulling out the upper filter screen 6 to clean.

In order to further reduce the probability of automatic sliding out of the upper filter screen 6, the spring 13 is sleeved on the vertical rod 112, the upper end of the spring 13 is fixed to the bottom surface of the pulling block 113, the lower end of the spring 13 is fixed to the upper surface of the placing block 111, the spring 13 enables the pulling block 113 to keep a fixed position, the limiting column 114 is kept in a state of being abutted to the limiting block 62, and therefore the purpose of reducing the probability of automatic sliding out of the upper filter screen 6 is achieved.

In order to make the staff pull out filter screen 6 more laborsaving, arc 64 has been seted up to the bottom wall in mounting groove 67, filter screen frame 61 bottom inlays and is equipped with ball 65 with arc 64 roll connection, ball 65 and arc 64 roll connection have reduced filter screen frame 61 and the gliding resistance of mounting groove 67 to make things convenient for the staff to pull out filter screen 6.

In order to enhance the sealing performance of the limiting block 62 to the mounting groove 67, the annular rubber sheet 66 is fixedly sleeved on the outer side of the filter screen frame 61, one side of the annular rubber sheet 66 is abutted against the outer side wall of the box body 1, the other side of the annular rubber sheet 66 is abutted against the side wall of the limiting block 62, the annular rubber sheet 66 is made of rubber materials, the surface of the annular rubber sheet has a large friction coefficient, the limiting block 62 is matched with the filter screen frame 61 and abutted against the annular rubber sheet 66, the sealing performance of the limiting block 62 to the mounting groove 67 is enhanced, and the probability of leakage of waste gas through the notch of the mounting groove 67 is reduced.

In order to improve the effect of waste gas treatment, an active carbon filter screen 14 is fixed on the inner wall of the box body 1, the active carbon filter screen 14 is arranged between the microorganism gathering plate 5 and the spray pipe 71, the active carbon has the functions of adsorbing harmful substances, removing peculiar smell and purifying gas, and waste gas is sprayed and then filtered by the active carbon filter screen 14, so that the effect of waste gas treatment is further improved.

The use principle of the waste gas immobilized microorganism treatment device of the sewage plant in the embodiment is as follows: waste gas of a sewage plant enters the box body 1 through the air inlet pipe 3, the circulating pump 72 works, condensate pump in the bottom of the box body 1 is pumped into the spraying pipe 71, then, the condensate pump sprays to the upper filter screen 6 through the rotary nozzle 73, the waste gas after spraying and filtering treatment is discharged from the exhaust pipe 4 after being filtered by the microorganism gathering plate 5, dust particles in the waste gas precipitate to form sludge and gather at the inner bottom wall of the box body 1, a worker can discharge the sludge from the discharging pipe 102 by opening the electromagnetic valve 103, the lower end of the spraying pipe 71 is provided with the lower filter screen 8, the probability that the spraying pipe 71 is blocked by the sludge can be reduced, the work efficiency of waste gas treatment is improved, and the normal operation of the waste gas immobilization microorganism treatment device of the sewage plant is promoted.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a sewage plant waste gas immobilization microorganism processing apparatus, includes open-top's box (1), articulates and is used for closed open-ended to open and shut lid (2) and with fixed intake pipe (3) that communicate of box (1) lateral wall in box (1) top, characterized by: the upper surface of the opening and closing cover (2) is fixed and communicated with an exhaust pipe (4), a microorganism gathering plate (5) and an upper filter screen (6) are arranged in the box body (1), the height of the upper surface of the upper filter screen (6) is smaller than that of the bottom of the microorganism gathering plate (5), and a spraying assembly (7) for spraying condensate is arranged on the box body (1);

the spraying assembly (7) comprises a spraying pipe (71), one end of the spraying pipe (71) penetrates through the side wall of the box body (1) and is fixed at a position close to the bottom of the box body (1), the other end of the spraying pipe (71) penetrates through the side wall of the box body (1) and extends to a position between the microorganism gathering plate (5) and the upper filter screen (6), and the spraying assembly (7) further comprises a circulating pump (72) arranged on the spraying pipe (71) and a rotary nozzle (73) fixed and communicated with the bottom of the spraying pipe (71); the lower end of the spray pipe (71) is provided with a lower filter screen (8).

2. The device for immobilizing the microorganisms in the waste gas of the sewage treatment plant as set forth in claim 1, wherein: the lower filter screen (8) is spherical.

3. The device for immobilizing the microorganisms in the waste gas of the sewage treatment plant as set forth in claim 2, wherein: the outer side wall of the box body (1) is fixed with an L-shaped supporting rod (9), the bottom of the box body (1) is provided with a discharging assembly (10), and the discharging assembly (10) comprises a funnel (101) fixed and communicated with the bottom of the box body (1), a discharging pipe (102) fixed and communicated with the bottom of the funnel (101) and an electromagnetic valve (103) arranged on the discharging pipe (102).

4. The device for immobilizing the microorganisms in the waste gas of a sewage plant as set forth in claim 3, wherein: go up filter screen (6) edge and be fixed with filter screen frame (61), mounting groove (67) that supply filter screen frame (61) to slide the connection are all seted up to the inner wall of box (1) both sides, the lateral wall of keeping away from box (1) inside one side of filter screen frame (61) is fixed with stopper (62), just the lateral wall of keeping away from box (1) inside one side of stopper (62) is fixed with handle (63).

5. The device for immobilizing the microorganisms in the waste gas of a sewage plant as set forth in claim 4, wherein: be provided with spacing subassembly (11) on box (1), spacing subassembly (11) include with box (1) lateral wall be close to the spacing fixed connection at stopper (62) top place piece (111), run through and place piece (111) and slide montant (112) of being connected, with montant (112) upper end rotation be connected pulling piece (113) and with montant (112) lower extreme fixed spacing post (114), the lateral wall butt of spacing post (114) one side and stopper (62) one side.

6. The device for immobilizing the microorganisms in the sewage treatment plant according to claim 5, wherein: the position that the side wall of the vertical rod (112) is close to the limiting column (114) is provided with an external thread (12), and the placing block (111) is provided with an internal thread for connecting the external thread (12) in a threaded manner.

7. The device for immobilizing the microorganisms in the waste gas of a sewage plant as set forth in claim 5, wherein: the cover is equipped with spring (13) on montant (112), spring (13) upper end is fixed with pulling piece (113) bottom surface, spring (13) lower extreme and place piece (111) upper surface fixed.

8. The waste gas immobilization microorganism treatment device for a sewage plant according to claim 7, wherein: arc-shaped groove (64) has been seted up to the bottom wall in mounting groove (67), filter screen frame (61) bottom is inlayed and is equipped with ball (65) with arc-shaped groove (64) roll connection.

9. The waste gas immobilization microorganism treatment device for a sewage plant according to claim 7, wherein: the fixed cover in filter screen frame (61) outside is equipped with annular sheet rubber (66), annular sheet rubber (66) one side supports tightly with box (1) lateral wall, the opposite side and the stopper (62) lateral wall of annular sheet rubber (66) support tightly.

10. The waste gas immobilization microorganism treatment device for a sewage plant according to claim 7, wherein: the box (1) inner wall is fixed with active carbon filter screen (14), active carbon filter screen (14) set up between microorganism gathering board (5) and shower (71).

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