CN116161807B

CN116161807B - Sewage pool aeration device

Info

Publication number: CN116161807B
Application number: CN202310456669.0A
Authority: CN
Inventors: 梁传寅; 卜红伟; 林金荣; 魏先梅; 刘元伟
Original assignee: Shandong Zhongqiao Qidi Environmental Protection Equipment Co ltd
Current assignee: Shandong Zhongqiao Qidi Environmental Protection Equipment Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-06-30
Anticipated expiration: 2043-04-26
Also published as: CN116161807A

Abstract

The invention relates to the technical field of sewage treatment equipment, in particular to a sewage tank aeration device. The invention provides a sewage tank aeration device which can perform aeration treatment on sewage more fully and thoroughly, so that the aeration effect is better, and the sewage treatment efficiency is improved more effectively. An aeration device for a sewage tank comprises the sewage tank, a spray pipe rack, a ring spray head, a high-pressure air pump and the like; the sewage tank is of a rectangular structure; the spray pipe frame is placed in the sewage pool; a plurality of ring spray heads are communicated with the spray pipe rack; the high-pressure air pump is arranged at the lower part of the outer wall of the sewage pool. The invention sprays high-pressure gas evenly through the plurality of ring spray heads, and forces air into the sewage, so that the sewage is oxygenated by contact with the air, and the sewage is stirred, suspended matters in the sewage tank are prevented from sinking, the contact of organic matters in the sewage tank with microorganisms and dissolved oxygen is enhanced, the organic matters in the sewage are oxidized and decomposed, and then the sewage is aerated.

Description

Sewage pool aeration device

Technical Field

The invention relates to the technical field of sewage treatment equipment, in particular to a sewage tank aeration device.

Background

Sewage refers to discharged water from life and production that is contaminated to some extent, and from the viewpoint of sewage source, sewage may be defined as liquid or water carrying waste mixed with ground water, surface water, storm snow, etc. discharged from residential, institutional, commercial or industrial areas. In order to protect the environment, no additional water and soil pollution is caused, and before the sewage is discharged, the sewage needs to be purified to reach the standard and then is discharged.

At present, many methods for treating sewage, such as a physical treatment method, a chemical treatment method, a biological treatment method and the like, are used for strengthening the reaction speed of sewage in an aeration mode in the sewage treatment process, but the existing aeration equipment is generally used for carrying out aeration treatment in a fixed mode, and the phenomenon that sewage far away from the aeration equipment is insufficient in contact with the introduced gas can cause the sewage in a sewage tank to be fully and thoroughly aerated, so that the aeration efficiency of the sewage is reduced, and the aeration effect of the sewage is poor.

Disclosure of Invention

In view of the above, the invention provides an aeration device for a sewage tank, which can perform aeration treatment on sewage more fully and thoroughly, so that the aeration effect is better, and the sewage treatment efficiency is more effectively improved.

The technical proposal is as follows: the sewage tank aeration device comprises a sewage tank, a spray pipe rack, a ring spray head, a high-pressure air pump, an air injection hose, a floating mechanism and a sinking mechanism, wherein the sewage tank is of a rectangular structure; the spray pipe frame is placed in the sewage pool; a plurality of ring spray heads are communicated with the spray pipe rack; the high-pressure air pump is fixedly connected to the lower part of the outer wall of the sewage pool; one end of the air injection hose is fixedly connected to the output port of the high-pressure air pump, the spray pipe frame is communicated with the output port of the high-pressure air pump, the air injection hose is made of soft materials, and the other end of the air injection hose is communicated with the spray pipe frame; the floating mechanism is arranged on the spray pipe rack; the sinking mechanism is arranged on the floating mechanism.

Further, each annular nozzle is provided with an annular filter screen, and the annular filter screens are used for filtering impurities in sewage.

Further, the bottom of the spray pipe frame is provided with a plurality of supporting legs, and the supporting legs are used for supporting the spray pipe frame.

Further, the floating mechanism comprises branch pipes, a transit short pipe, a long inflation pipe, an elastic air bag, a ball valve, a gear, a rack bar and a weight, wherein one ends of two branch pipes are communicated with the spray pipe rack, and the two branch pipes are symmetrically arranged; the other ends of the two branch pipes are communicated with a transit short pipe; the tops of the two transit short pipes are communicated with a long inflation pipe; each long inflation tube is communicated with a plurality of elastic air bags, and each elastic air bag is made of an elastic material; each transit short pipe is rotatably connected with a ball valve; each ball valve is fixedly connected with a gear, the outer side of each transit short pipe is slidably connected with a rack rod, each rack rod is provided with an annular limiting block, and the rack rods are meshed with the gears; and each rack rod is fixedly connected with a weight, and each weight is contacted with the bottom of the inner side of the sewage pool.

Further, each ball valve is a T-shaped three-way ball.

Further, the sinking mechanism comprises an air outlet pipe, a supporting cross, a blocking block, a buoyancy ring and a limiting fixing frame, and each elastic air bag is communicated with the air outlet pipe; the upper part of each air outlet pipe is connected with a supporting cross in a sliding manner; each supporting cross is fixedly connected with a blocking block, the blocking blocks are positioned in the air outlet pipe, and the blocking blocks are connected with the air outlet pipe in a sliding mode; the bottom of each supporting cross is fixedly connected with a buoyancy ring, and the air outlet pipe is positioned in the buoyancy ring; the left side and the right side of the upper portion of the inner wall of the sewage pool are fixedly connected with a plurality of limiting fixing frames, and the limiting fixing frames are located above the supporting cross.

The bottom mud blowing mechanism is arranged on the transit short pipe, and comprises an air guide branch pipe, a bent air guide pipe, an air guide calandria, a nozzle and a one-way valve, wherein each transit short pipe is communicated with two air guide branch pipes, and the two air guide branch pipes are in a group; one end of each group of air guide branch pipes is communicated with a bent air guide pipe; an air guide calandria is communicated between the other ends of each group of the air guide branched pipes; the bottom of each bent air duct and the bottom of each air duct bank are communicated with a nozzle; the bottom of each nozzle is communicated with a one-way valve.

The spray pipe frame is characterized by further comprising a water area stirring mechanism, wherein the water area stirring mechanism is arranged on the spray pipe frame and comprises a bent supporting rod, a rotating rod, friction wheels, a guide round rod, a round head supporting rod and stirring plates, the left side and the right side of the spray pipe frame are respectively and fixedly connected with the bent supporting rod, and the two bent supporting rods are symmetrically arranged; a rotating rod is rotatably connected to both the bent support rods; friction wheels are fixedly connected to the left end and the right end of the two rotating rods, a plurality of friction strips are arranged on each friction wheel, and each friction wheel is contacted with the inner wall of the sewage pool; a guide round rod is fixedly connected to one side of each friction wheel, which is far away from the bent support rod; two round head supporting rods are fixedly connected to the left side and the right side of the top of the spray pipe frame respectively, and the two round head supporting rods are in a group; each round head supporting rod is rotatably connected with an agitating plate, each agitating plate is provided with a guide groove, and the guide round rods are slidably connected with the guide grooves of the agitating plates.

Further, the device also comprises paddles, and the top of each ring spray head is rotatably connected with the paddles.

Further, the air guide device also comprises a small section of hose, each one-way valve positioned on the air guide calandria is communicated with the small section of hose, and the small section of hose is made of soft materials.

The invention has the beneficial effects that:

1. the invention introduces high-pressure gas into the spray pipe rack through the high-pressure air pump, and then uniformly sprays the high-pressure gas through the plurality of ring spray heads, forcibly introduces air into the sewage in the sewage tank, so that the sewage is oxygenated by contact with the air, agitates the sewage, prevents suspended matters in the sewage tank from sinking, strengthens contact between organic matters in the sewage tank, microorganisms and dissolved oxygen, oxidizes and decomposes the organic matters in the sewage, and further carries out aeration treatment on the sewage.

2. According to the invention, the plurality of elastic air bags are inflated through the long inflation pipe, so that the elastic air bags move upwards under the action of buoyancy force, the plurality of ring spray heads are driven to move upwards, when the supporting cross frame moves upwards and is limited by the limiting fixing frame, the blocking block does not block the air outlet pipe any more, gas in the elastic air bags can be discharged from the air outlet pipe, so that the elastic air bags move downwards under the action of gravity force, the plurality of ring spray heads are driven to move downwards, the plurality of ring spray heads move up and down in a reciprocating manner, the plurality of ring spray heads move up and down in a sewage pool, sewage is fully stirred, sewage is fully contacted with air, and organic matters in the sewage are fully oxidized and decomposed, so that sewage is fully aerated.

3. According to the invention, the ball valve rotates and does not block the two air guide branch pipes any more, so that air in the middle-rotating short pipe is introduced into the plurality of nozzles and then sprayed out by the one-way valve, high-pressure air sprayed out by the one-way valve can impact the inner bottom of the sewage tank, blow sediment deposited at the bottom of the sewage tank, reduce the sediment deposition, enable activated sludge and sewage in the sewage tank to be more uniformly mixed, and simultaneously in the process of upward movement of the ring spray head, the high-pressure air sprayed out by the one-way valve can stir sewage at the lower part of the sewage tank, so that the sewage is more fully aerated, the aeration effect is better, and the sewage treatment efficiency is improved.

4. According to the sewage treatment device, the friction wheel is driven to reciprocate up and down through the up and down reciprocating movement of the spray pipe frame, and the friction wheel rotates along the inner wall of the sewage pool in the up and down reciprocating movement process, so that the guide round rod rotates and drives the stirring plate to reciprocate up and down, the stirring plate can further stir sewage at two sides of the sewage pool through up and down reciprocating movement in the sewage, the sewage can be enabled to be in more uniform contact with the introduced gas, the sewage can be aerated more uniformly, the sewage is aerated more thoroughly, and the sewage treatment efficiency is further improved.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

FIG. 3 is a schematic view of a partial perspective view of the flotation mechanism and the water agitation mechanism of the present invention.

Fig. 4 is an enlarged perspective view of fig. 3 a according to the present invention.

Fig. 5 is a schematic view of a partial perspective structure of the present invention.

Fig. 6 is an enlarged perspective view of the structure of fig. 5B according to the present invention.

Fig. 7 is an enlarged perspective view of fig. 5C according to the present invention.

Fig. 8 is a schematic view of a partially cut-away perspective structure of the sinking mechanism of the present invention.

Fig. 9 is a schematic view of a partial perspective view of the floating mechanism and the bottom blowing mechanism of the present invention.

FIG. 10 is a schematic view of a first partially cut-away perspective of the flotation mechanism and bottom blowing mechanism of the present invention.

Fig. 11 is an enlarged perspective view of D in fig. 10 according to the present invention.

FIG. 12 is a schematic view of a second partially cut-away perspective of the flotation mechanism and bottom blowing mechanism of the present invention.

Fig. 13 is an enlarged perspective view of the E of fig. 12 according to the present invention.

Fig. 14 is a schematic perspective view of the ball valve and gear of the present invention.

Fig. 15 is a schematic cross-sectional perspective view of a ball valve and gear of the present invention.

Reference numerals: 1_lagoons, 21_spouts, 22_loop nozzles, 31_high pressure pumps, 32_jet hoses, 4_float mechanisms, 41_manifold, 42_transfer spool, 43_long inflation, 44_elastic bladder, 45_ball valve, 46_gear, 47_rack bar, 48_weight, 5_sink mechanisms, 51_outlet pipe, 52_support cross, 53_block, 54_float ring, 55_limit mount, 6_bottom blowing mechanism, 61_air guide manifold, 62_curved air guide pipe, 63_air guide gauntlet, 64_nozzle, 65_check valve, 7_water agitation mechanism, 71_curved support bar, 711_turn bar, 72_friction wheel, 73_guide round bar, 74_round head support bar, 75_agitation plate, 8_paddle, 9_small section hose.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment 1 a sewage tank aeration device, as shown in fig. 1-15, comprises a sewage tank 1, a spray pipe rack 21, a ring spray head 22, a high-pressure air pump 31, a spray hose 32, a floating mechanism and a sinking mechanism, wherein the sewage tank 1 has a rectangular structure; the spray pipe rack 21 is placed in the sewage tank 1; a plurality of ring spray heads 22 are communicated with the spray pipe rack 21; the high-pressure air pump 31 is connected to the lower part of the outer wall of the sewage tank 1 through bolts; one end of the air injection hose 32 is fixedly connected to the output port of the high-pressure air pump 31, the spray pipe frame 21 is communicated with the output port of the high-pressure air pump 31, the air injection hose 32 is made of soft materials, and the other end of the air injection hose 32 is communicated with the spray pipe frame 21; the floating mechanism is arranged on the spray pipe rack 21; the sinking mechanism is arranged on the floating mechanism.

An annular filter screen is provided on each of the ring sprayers 22, and is used for filtering impurities in the sewage.

The bottom of the spray pipe rack 21 is provided with a plurality of supporting legs, and the supporting legs are used for supporting the spray pipe rack 21.

The floating mechanism comprises branch pipes 41, a transit short pipe 42, a long air charging pipe 43, an elastic air bag 44, a ball valve 45, a gear 46, a rack bar 47 and a weight 48, wherein one ends of two branch pipes 41 are communicated with the spray pipe rack 21, the two branch pipes 41 are horizontally arranged, and the two branch pipes 41 are symmetrically arranged; the other ends of the two branch pipes 41 are communicated with a transit short pipe 42; the tops of the two transit short pipes 42 are communicated with long inflation pipes 43, and each long inflation pipe 43 is horizontally arranged; each long inflation tube 43 is communicated with a plurality of elastic air bags 44, and the elastic air bags 44 are made of elastic materials; each of the transit stubs 42 is rotatably connected with a ball valve 45; each ball valve 45 is connected with a gear 46 through a flat key, the outer side of each transit short pipe 42 is connected with a rack rod 47 in a sliding mode, each rack rod 47 is vertically arranged, each rack rod 47 is provided with an annular limiting block, and each rack rod 47 is meshed with the gear 46; each of the rack bars 47 is connected with a weight 48 by a bolt, and each of the weights 48 is in contact with the bottom inside the sewage tank 1.

Each of the ball valves 45 is a T-shaped three-way ball.

The sinking mechanism comprises an air outlet pipe 51, a supporting cross 52, a blocking piece 53, a buoyancy ring 54 and a limiting fixing frame 55, and each elastic air bag 44 is communicated with the air outlet pipe 51; the upper part of each air outlet pipe 51 is connected with a supporting cross 52 in a sliding way; each supporting cross 52 is fixedly connected with a blocking block 53, the blocking blocks 53 are positioned in the air outlet pipe 51, and the blocking blocks 53 are connected with the air outlet pipe 51 in a sliding manner; the bottom of each supporting cross 52 is connected with a buoyancy ring 54 through bolts, and the air outlet pipe 51 is positioned in the buoyancy ring 54; the left side and the right side of the upper part of the inner wall of the sewage pool 1 are connected with a plurality of limiting fixing frames 55 through bolts, and the limiting fixing frames 55 are positioned above the supporting cross 52.

Initially, the buoyancy ring 54 is filled with air, and because of the large friction force between the blocking block 53 and the air outlet pipe 51, the blocking block 53 can block the air outlet pipe 51, in actual operation, a worker firstly adds sewage to be treated into the sewage tank 1, then starts the high-pressure air pump 31, because the buoyancy ring 54 generates large buoyancy in water, the buoyancy ring 54 has upward acting force, the upward acting force can support the blocking block 53 to stably block the air outlet pipe 51, the high-pressure air pump 31 can introduce high-pressure air into the air injection hose 32, the high-pressure air in the air injection hose 32 can be introduced into the spray pipe frame 21, a part of the high-pressure air in the spray pipe frame 21 can be uniformly sprayed out from the plurality of ring spray heads 22, the sewage in the sewage tank 1 is forcedly introduced with air, the sewage is oxygenated by contact with the air, the sewage is stirred, suspended solids in the sewage tank 1 are prevented from sinking, the contact of the organic matters in the sewage pool 1 with microorganisms and dissolved oxygen is enhanced, the organic matters in the sewage are oxidized and decomposed, the sewage is further aerated, the annular filter screen on the annular nozzle 22 filters the sewage, impurities in the sewage are prevented from blocking the annular nozzle 22, the other part of high-pressure gas in the spray pipe frame 21 is introduced into the two branch pipes 41, the branch pipes 41 are introduced into the transit short pipe 42 and the long inflation pipe 43, the air in the long inflation pipe 43 is uniformly introduced into the plurality of elastic air bags 44, the elastic air bags 44 are inflated, larger buoyancy is generated in the water after the elastic air bags 44 are inflated, the elastic air bags 44 move upwards under the action of buoyancy, the plurality of elastic air bags 44 move upwards to drive the branch pipes 41, the transit short pipe 42, the long inflation pipe 43 and the air outlet pipe 51 to move upwards together, the upward movement of the transit spool 42 will drive the ball valve 45 and the gear 46 to move upward together, because the weight 48 has a certain weight, the rack bar 47 and the weight 48 will not move upward at this time, and because the gear 46 and the rack bar 47 are engaged, the gear 46 will rotate 90 degrees along the rack bar 47 while moving upward, the gear 46 will drive the ball valve 45 to rotate 90 degrees, the ball valve 45 will block the long inflation tube 43 when the elastic air bag 44 is no longer ventilated, when the transit spool 42 continues to move upward and contacts the annular limiting block of the rack bar 47, the transit spool 42 continues to move upward will drive the rack bar 47 and the weight 48 to move upward together, the upward movement of the weight 48 will disengage from the sewage pool 1, the upward movement of the air outlet pipe 51 will drive the supporting cross 52 to move upward, the buoyancy ring 54 will move upward and drive the blocking piece 53 to move upward under the action of the buoyancy, because the high-pressure gas in the elastic air bag 44 can impact the blocking piece 53, the blocking piece 53 can continuously block the air outlet pipe 51, the sewage in the sewage tank 1 is prevented from entering the air outlet pipe 51, the branch pipe 41 moves upwards to drive the spray pipe rack 21 and the plurality of ring spray heads 22 to move upwards together, the support legs are separated from the sewage tank 1 by the upward movement of the spray pipe rack 21, the plurality of ring spray heads 22 continuously spray the high-pressure gas in the upward movement process to fully aerate the sewage in the sewage tank 1, the buoyancy ring 54 continuously moves upwards to be separated from the sewage, the buoyancy disappears, the supporting cross 52 continuously moves upwards to be contacted with the limiting fixed frame 55 and is blocked by the limiting fixed frame 55 from moving upwards again, at the moment, the blocking piece 53 is also not moved upwards, the air outlet pipe 51 continuously moves upwards to be not blocked by the blocking piece 53 any more, the air in the elastic air bag 44 can be quickly discharged through the air outlet pipe 51, then the buoyancy of the elastic air bag 44 in water can be gradually reduced, the spray pipe rack 21, the ring spray head 22, the branch pipe 41, the transit short pipe 42, the long inflation pipe 43 and the elastic air bag 44 can move downwards under the action of gravity, the transit short pipe 42 can drive the ball valve 45, the gear 46, the rack rod 47 and the weight 48 to move downwards, the branch pipe 41 can drive the spray pipe rack 21 and the ring spray head 22 to move downwards together, the elastic air bag 44 can drive the air outlet pipe 51 to move downwards, the supporting cross 52, the blocking 53 and the buoyancy ring 54 can move downwards under the action of gravity, the buoyancy ring 54 can be contacted with sewage again, then the supporting cross 52, the blocking 53 and the buoyancy ring 54 can float on the water surface under the action of buoyancy, the downward movement of the air outlet pipe 51 is blocked by the blocking 53, the air outlet pipe 51 moves downwards continuously to drive the blocking piece 53 to move downwards, the blocking piece 53 moves downwards to drive the supporting cross 52 and the buoyancy ring 54 to move downwards together, the weight 48 moves downwards to be in contact with the sewage pool 1 again, at the moment, the rack rod 47 and the weight 48 do not move downwards any more, the gear 46 moves downwards continuously to rotate reversely along the rack rod 47, the gear 46 rotates reversely to drive the ball valve 45 to rotate reversely by 90 degrees, the ball valve 45 rotates reversely by 90 degrees to block the long inflation pipe 43 no more, high-pressure air in the transit short pipe 42 is led into the elastic air bag 44 again through the long inflation pipe 43 to inflate and expand the elastic air bag 44, so that the elastic air bag 44 moves upwards again under the action of the buoyancy force, repeatedly, and then a plurality of ring spray heads 22 move up and down in a reciprocating manner, the plurality of ring spray heads 22 reciprocate up and down in the sewage pool 1 can stir sewage fully, the sewage fully contacts with air, and organic matters in the sewage are fully oxidized and decomposed, so that the sewage is fully aerated; after the sewage aeration treatment is finished, the staff pumps out the water in the sewage tank 1.

Embodiment 2 is based on embodiment 1, as shown in fig. 2-13, and further comprises a bottom mud blowing mechanism, wherein the bottom mud blowing mechanism is arranged on the transit spool 42, the bottom mud blowing mechanism comprises an air guide branch pipe 61, a bent air guide pipe 62, an air guide pipe bank 63, a nozzle 64 and a one-way valve 65, two air guide branch pipes 61 are communicated with each transit spool 42, the two air guide branch pipes 61 are in a group, and each air guide branch pipe 61 is horizontally arranged; one end of each group of air guide branch pipes 61 is communicated with a bent air guide pipe 62; an air guide calandria 63 is communicated between the other ends of each group of the air guide branched pipes 61, and each air guide calandria 63 is horizontally arranged; the bottom of each bent air duct 62 and the bottom of each air duct tube 63 are communicated with a nozzle 64; a check valve 65 is connected to the bottom of each of the nozzles 64.

Initially, the ball valve 45 blocks two air guide branch pipes 61, the transfer short pipe 42 moves upwards to drive the air guide branch pipes 61, the bent air guide pipes 62 and the air guide discharge pipes 63 to move upwards together, the bent air guide pipes 62 and the air guide discharge pipes 63 move upwards to drive the plurality of nozzles 64 and the one-way valves 65 to move upwards together, when the ball valve 45 rotates by 90 degrees, the two air guide branch pipes 61 are not blocked, air in the transfer short pipe 42 can be introduced into the two air guide branch pipes 61, a part of air in the air guide branch pipes 61 can be introduced into the bent air guide pipes 62, the air in the bent air guide pipes 62 can be introduced into the plurality of nozzles 64, the other part of air in the air guide branch pipes 61 can be introduced into the air guide discharge pipes 63, the air in the plurality of nozzles 64 can be sprayed out from the one-way valves 65, high-pressure air sprayed out from the one-way valves 65 can impact the inner bottom of the sewage tank 1, sediment deposited at the bottom of the sewage tank 1 is moved, the sediment deposited at the bottom of the sewage tank 1 is reduced, the sediment in the sewage tank is uniformly mixed with the air in the sewage tank 1, the sewage is more uniformly sprayed out of the sewage tank 1 by the high-pressure air, the aeration effect is better, the sewage treatment effect is achieved by the aeration device is achieved, and the aeration effect is better, the sewage treatment is achieved, and the sewage is fully treated by the aeration device; the transfer short pipe 42 moves downwards to drive the air guide branch pipes 61, the bent air guide pipes 62 and the air guide discharge pipes 63 to move downwards together, the bent air guide pipes 62 and the air guide discharge pipes 63 move downwards to drive the plurality of nozzles 64 and the check valves 65 to move downwards together, when the ball valves 45 rotate reversely by 90 degrees, the two air guide branch pipes 61 are plugged again, the check valves 65 do not jet high-pressure gas any more, and meanwhile, the check valves 65 can prevent solid impurities in sewage from entering the nozzles 64, so that the nozzles 64 are plugged.

Embodiment 3 is based on embodiment 2, as shown in fig. 2-5, and further comprises a water area stirring mechanism, wherein the water area stirring mechanism is arranged on the spray pipe frame 21, the water area stirring mechanism comprises a curved support rod 71, a rotating rod 711, a friction wheel 72, a guiding round rod 73, a round head support rod 74 and a stirring plate 75, the left side and the right side of the spray pipe frame 21 are respectively connected with the curved support rod 71 through bolts, and the two curved support rods 71 are symmetrically arranged; a rotating rod 711 is rotatably connected to both the bent support rods 71, and both the rotating rods 711 are horizontally arranged; the left end and the right end of the two rotating rods 711 are fixedly connected with friction wheels 72, a plurality of friction strips are arranged on each friction wheel 72, and each friction wheel 72 is contacted with the inner wall of the sewage tank 1; a guide round bar 73 is fixedly connected to one side of each friction wheel 72 away from the bent support bar 71; two round head support rods 74 are respectively connected to the left side and the right side of the top of the spray pipe rack 21 through bolts, and the two round head support rods 74 are in a group; each of the round head support rods 74 is rotatably connected with an agitating plate 75, each of the agitating plates 75 is provided with a guide groove, and the guide round rods 73 are slidably connected with the guide grooves of the agitating plates 75.

The spray pipe frame 21 moves upwards and simultaneously drives the bent support rod 71 and the round head support rod 74 to move upwards, the bent support rod 71 moves upwards and drives the rotating rod 711, the friction wheel 72 and the round head support rod 73 to move upwards, the round head support rod 74 moves upwards and drives the stirring plate 75 to move upwards, because large friction force exists between the friction wheel 72 and the inner wall of the sewage pool 1, the friction wheel 72 rotates along the inner wall of the sewage pool 1 in the upward moving process, the friction wheel 72 rotates and drives the round guide rod 73 to rotate, the round guide rod 73 rotates and drives the stirring plate 75 to reciprocate upwards and downwards, the stirring plate 75 reciprocates upwards and downwards in sewage and can further stir sewage on two sides of the sewage pool 1, the downward movement of the spray pipe frame 21 drives the bent support rod 71 and the round head support rod 74 to move downwards, the downward movement of the bent support rod 71 drives the rotating rod 711, the friction wheel 72 and the round guide rod 73 to move downwards, the friction wheel 72 rotates reversely along the inner wall of the sewage pool 1 in the downward moving process, the friction wheel 72 rotates reversely, the sewage can drive the round guide rod 73 to rotate reversely, and the sewage can reciprocate downwards, and the sewage can make contact with the sewage can more uniformly and evenly, and the sewage can reciprocate downwards, and the aeration plate 75 can be more completely rotated and evenly, and the sewage can be more completely rotated and reversely, and the air can be completely rotated and completely and reversely contacted with the sewage.

Example 4 based on example 3, as shown in fig. 1-3, further comprises paddles 8, and the top of each ring nozzle 22 is rotatably connected with paddles 8.

The ring spray head 22 can drive the paddle 8 to reciprocate up and down while reciprocating up and down, the paddle 8 can generate impact force with sewage in the process of reciprocating up and down, so that the paddle 8 rotates, the paddle 8 rotates to stir the sewage around the ring spray head 22, the sewage is more uniformly and fully contacted with the gas sprayed by the ring spray head 22, the sewage is more uniformly and fully aerated, and the aeration treatment efficiency of the sewage can be more effectively improved.

Embodiment 5 based on embodiment 4, as shown in fig. 9-11, further comprises a small section of hose 9, and each one of the check valves 65 located on the air guide pipe 63 is connected to the small section of hose 9, where the small section of hose 9 is made of soft material.

The air is introduced into the small-section hose 9 through the plurality of one-way valves 65 positioned on the air guide calandria 63, and then is sprayed out by the small-section hose 9, and as the high-pressure air of the small-section hose 9 has a certain impact force, the small-section hose 9 can swing back and forth under the impact force of the high-pressure air in the small-section hose 9, the spraying range of the air is enlarged, sediment deposited at the bottom of the sewage tank 1 is further blown, the sediment deposition is further reduced, the substances in the sewage tank 1 are more uniformly mixed, and thus the sewage is aerated more efficiently.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The sewage tank aeration device is characterized by comprising a sewage tank (1), a spray pipe frame (21), a ring spray head (22), a high-pressure air pump (31), an air injection hose (32), a floating mechanism and a sinking mechanism, wherein the sewage tank (1) is of a rectangular structure; the spray pipe frame (21) is arranged in the sewage pool (1); a plurality of ring spray heads (22) are communicated with the spray pipe frame (21); the high-pressure air pump (31) is fixedly connected to the lower part of the outer wall of the sewage tank (1); one end of the air injection hose (32) is fixedly connected to an output port of the high-pressure air pump (31), the spray pipe frame (21) is communicated with the output port of the high-pressure air pump (31), the air injection hose (32) is made of soft materials, and the other end of the air injection hose (32) is communicated with the spray pipe frame (21); the floating mechanism is arranged on the spray pipe frame (21); the sinking mechanism is arranged on the floating mechanism;

the floating mechanism comprises branch pipes (41), a transit short pipe (42), a long inflation pipe (43), an elastic air bag (44), a ball valve (45), a gear (46), a rack rod (47) and a weight (48), one ends of the two branch pipes (41) are communicated with the spray pipe frame (21), and the two branch pipes (41) are symmetrically arranged; the other ends of the two branch pipes (41) are communicated with a transit short pipe (42); the tops of the two transit short pipes (42) are communicated with a long inflation pipe (43); each long inflation tube (43) is communicated with a plurality of elastic air bags (44), and the elastic air bags (44) are made of elastic materials; each transit short pipe (42) is rotatably connected with a ball valve (45); a gear (46) is fixedly connected to each ball valve (45), a rack rod (47) is slidably connected to the outer side of each transit short pipe (42), and the rack rods (47) are meshed with the gears (46); and each rack rod (47) is fixedly connected with a weight (48), and each weight (48) is contacted with the bottom of the inner side of the sewage pool (1).

2. A sewage tank aeration device according to claim 1, wherein the bottom of the nozzle frame (21) is provided with a plurality of support legs, and the plurality of support legs are used for supporting the nozzle frame (21).

3. A sewage tank aeration device according to claim 1, wherein each of the ring sprayers (22) is provided with a ring filter screen, and the ring filter screen is used for filtering impurities in sewage.

4. A lagoon aeration device according to claim 1, characterised in that each ball valve (45) is a T-shaped three-way ball.

5. A sewage tank aeration device according to claim 1, wherein each of the rack bars (47) is provided with an annular stopper.

6. A sewage tank aeration device according to claim 1, wherein the sinking mechanism comprises an air outlet pipe (51), a supporting cross (52), a blocking block (53), a buoyancy ring (54) and a limiting fixing frame (55), and each elastic air bag (44) is communicated with the air outlet pipe (51); the upper part of each air outlet pipe (51) is connected with a supporting cross (52) in a sliding way; each supporting cross (52) is fixedly connected with a blocking block (53), the blocking blocks (53) are positioned in the air outlet pipe (51), and the blocking blocks (53) are connected with the air outlet pipe (51) in a sliding mode; the bottom of each supporting cross (52) is fixedly connected with a buoyancy ring (54), and the air outlet pipe (51) is positioned in the buoyancy ring (54); the left side and the right side of the upper part of the inner wall of the sewage tank (1) are fixedly connected with a plurality of limiting fixing frames (55), and the limiting fixing frames (55) are positioned above the supporting cross (52).

7. A sewage tank aeration device according to claim 1, further comprising a bottom mud blowing mechanism, wherein the bottom mud blowing mechanism is arranged on a transit short pipe (42), the bottom mud blowing mechanism comprises an air guide branch pipe (61), a bent air guide pipe (62), an air guide pipe (63), a nozzle (64) and a one-way valve (65), two air guide branch pipes (61) are communicated with each transit short pipe (42), and the two air guide branch pipes (61) are in a group; one end of each group of air guide branch pipes (61) is communicated with a bent air guide pipe (62); an air guide calandria (63) is communicated between the other ends of each group of the air guide branched pipes (61); the bottoms of each bent air duct (62) and each air duct tube (63) are communicated with a nozzle (64); a one-way valve (65) is communicated with the bottom of each nozzle (64).

8. A sewage tank aeration device according to claim 1, further comprising a water area stirring mechanism, wherein the water area stirring mechanism is arranged on the spray pipe frame (21), the water area stirring mechanism comprises a bent support rod (71), a rotating rod (711), friction wheels (72), a guide round rod (73), a round head support rod (74) and a stirring plate (75), the left side and the right side of the spray pipe frame (21) are respectively and fixedly connected with the bent support rod (71), and the two bent support rods (71) are symmetrically arranged; a rotating rod (711) is rotatably connected to both the bent support rods (71); the left end and the right end of the two rotating rods (711) are fixedly connected with friction wheels (72), a plurality of friction strips are arranged on each friction wheel (72), and each friction wheel (72) is contacted with the inner wall of the sewage tank (1); a guide round rod (73) is fixedly connected to one side of each friction wheel (72) far away from the bent support rod (71); two round head supporting rods (74) are fixedly connected to the left side and the right side of the top of the spray pipe frame (21), and the two round head supporting rods (74) are in a group; each round head supporting rod (74) is rotatably connected with an agitating plate (75), each agitating plate (75) is provided with a guide groove, and the guide round rods (73) are slidably connected with the guide grooves of the agitating plates (75).

9. A sewage tank aeration device according to claim 1, further comprising paddles (8), wherein the paddles (8) are rotatably connected to the top of each of the ring sprayers (22).

10. A sewage tank aeration device according to claim 7, further comprising a small section of hose (9), wherein each one of the check valves (65) on the air guide pipe (63) is connected to the small section of hose (9), and the small section of hose (9) is made of soft material.