CN208933071U

CN208933071U - Aeration tank

Info

Publication number: CN208933071U
Application number: CN201821485893.3U
Authority: CN
Inventors: 唐金奎; 钱忠; 钱国荣
Original assignee: Jiaxing Tianlun Nano Dyeing And Finishing Co Ltd
Current assignee: Jiaxing Tianlun Nano Dyeing And Finishing Co Ltd
Priority date: 2018-09-11
Filing date: 2018-09-11
Publication date: 2019-06-04
Anticipated expiration: 2028-09-11

Abstract

The utility model discloses a kind of aeration tanks, it is related to technical field of sewage treatment equipment, its key points of the technical solution are that including pond body, aerator is provided in the pond body, agitating device is provided in the pond body, the agitating device includes being fixed on the stirring motor of pond body upper end and being rotatably arranged on the intracorporal agitating shaft in pond, is connected between the stirring motor and agitating shaft by chain conveyer；The one end of the mixing shaft is distributed with right-handed screw blade, the other end along axis and backpitch blade, the right-handed screw blade and the setting of backpitch spacing with blades is distributed with along axis；The outer sheath of the agitating shaft is equipped with circulating sleeve, and the circulating sleeve open at both ends setting is supported and fixed in the pond body, and circulating sleeve is equipped with communication port.The aeration tank of the utility model can be such that activated sludge fully contacts with gas, to promote the activity of activated sludge, enhance the reaction effect of activated sludge and sewage.

Description

Aeration tank

Technical field

The utility model relates to technical field of sewage treatment equipment, in particular to a kind of aeration tank.

Background technique

Aeration tank is biochemical reactor designed by characteristic of the people according to microorganism, the palliating degradation degree master of organic contamination matter To depend on aeration reaction condition designed by people.Aeration tank carries out sewage treatment using activated sludge process, provides one in pond Determine dwell time of sewage, meets the blended sliver that oxygen amount and sewage required for aerobic microbiological come into full contact with activated sludge Part.Aeration tank is mainly made of three pond body, aerating system and intake-outlet parts.Pond body is generally built up with armored concrete, Flat shape has rectangle, rectangular and round etc..

Such as notification number is the patent of CN203639248U, discloses a kind of aerator of easy detachable for aeration tank And aeration tank, including supervisor is supplied, more gas manifolds are connected on the gas supply supervisor, the bottom of each gas manifold is all connected with There is aeration tube, the directive slide track parallel with gas manifold, the confession are provided between the gas manifold and aeration tank pool wall Gas branch pipe is slidably connected by guiding latch closure with the directive slide track.

Such as the above-mentioned prior art, existing aeration tank is all that setting aerator is aerated, the aeration of aerator Pipe setting sprays gas in bottom of pond, by aeration tube to be aerated to water, and still, aeration tube will not be completely covered during installation Bottom of pond, generally compartment arrangement, so aeration tube spray gas be aerated when, bubble floating, be located at aeration tube just on The sewage of side can be contacted fully with gas by the gases affect that aeration tube sprays, and the interval between aeration tube Sewage right above blank space is due to the gases affect that can not directly be sprayed by aeration tube, so the sewage of this part can not fill Ground is divided to contact with gas, so that the activity that will lead to the activated sludge in each section sewage is different, so that some sewage have filled Point ground and activated sludge reaction, and some sewage are then not sufficiently and activated sludge reaction, so as to cause sewage and activated sludge it Between reaction effect it is bad.

Utility model content

The purpose of this utility model is to provide a kind of aeration tanks, it can be such that activated sludge fully contacts with gas, The activity of activated sludge is sufficiently promoted, so that the reaction effect between activated sludge and sewage is more preferable.

The above-mentioned purpose of the utility model has the technical scheme that

A kind of aeration tank, including pond body are provided with aerator in the pond body, and stirring dress is provided in the pond body It sets, the agitating device includes being fixed on the stirring motor of pond body upper end and being rotatably arranged on the intracorporal agitating shaft in pond, institute It states and is connected between stirring motor and agitating shaft by chain conveyer；Right-handed screw blade, another is distributed with along axis in the one end of the mixing shaft Backpitch blade, the right-handed screw blade and the setting of backpitch spacing with blades is distributed with along axis in one end；Outside the agitating shaft Side is arranged with circulating sleeve, and the circulating sleeve open at both ends setting is supported and fixed in the pond body, and circulating sleeve is equipped with Communication port.

Sewage is drained into pond body from pipeline when carrying out Air Exposure to sewage by using above-mentioned technical proposal, Again into pond body addition processing activated sludge, be then aerated to the intracorporal sewage in pond is discharged to by aerator, exposed Start stirring motor while gas, stirring motor drives agitating shaft to rotate by chain conveyer, right-handed screw blade and backpitch blade It rotates with it, sewage and activated sludge is stirred, respectively by sewage while right-handed screw blade and backpitch blade stir It is transported in circulating sleeve with activated sludge along the spiral trend of respective blade, circulating sleeve plays sewage and activated sludge The effect of extruding, to the bubble in sewage be racked, so that the activated sludge in water can fully connect with gas Touching enhances the reaction effect of activated sludge and sewage;The sewage and activated sludge being transported in circulating sleeve are finally from communication port Arrange to bottom of pond and flow to surrounding again, realize the circulation mixing of sewage and activated sludge, make sewage and activated sludge reaction more It is even abundant.Air compressor machine is closed after the completion of aeration, stands water, so that activated sludge is deposited in bottom of pond, then clear by pipeline discharge The mixture of water and activated sludge is discharged in water by pipeline again later.

The utility model is further arranged to: transmission component, the biography are provided between the stirring motor and agitating shaft Dynamic component includes drive sprocket, driven sprocket and transmission chain, and the drive sprocket is coaxially fixed on the output end of stirring motor On, the driven sprocket is coaxially fixed on agitating shaft, and transmission chain is engaged in the outside of drive sprocket and driven sprocket.

Drive sprocket rotation, drive sprocket, driven sprocket are driven by using above-mentioned technical proposal, when stirring motor works Engaged transmission between transmission chain drives agitating shaft to rotate, so that right-handed screw blade and backpitch blade be driven to realize to sewage With the mixing of activated sludge.

The utility model is further arranged to: multiple through-holes are uniformly provided on the outer peripheral surface of the circulating sleeve, it is described Rotatable impeller is equipped in through-hole.

By using above-mentioned technical proposal, when agitating shaft stirs, sewage and activated sludge stir up and down in pond body, simultaneously It is passed through from the through-hole of circulating sleeve again, the reaction force of sewage and activated sludge can drive impeller to rotate, and impeller is to material Secondary agitation is carried out, to make to form multiple continuous small vortex in the material stirred up and down again, collision is in pond body between vortex Middle formation turbulent flow to accelerate the rupture of bubble, and then promotes the mixing of activated sludge and gas.

The utility model is further arranged to: the impeller includes shaft and is circumferentially distributed in dialling for shaft lateral surface Block, the axis of the shaft are parallel with the axis of the agitating shaft.

By using above-mentioned technical proposal, water and activated sludge stir up and down along the trend of helical blade, the axis of shaft It is parallel with the axis of agitating shaft, make to move towards flowing water along helical blade and activated sludge is easier to pass through from through-hole, and band Dynamic wheel rotation.

The utility model is further arranged to: being provided with the turnup structure of arc at the communication port of the circulating sleeve, is turned over Side structure is directed away from the axis direction setting of agitating shaft.

By using above-mentioned technical proposal, turnup structure flows sewage and activated sludge more gently when flowing out from communication port Freely, cycle efficieny is promoted.

The utility model is further arranged to: being disposed with baffle in the pond body.

By using above-mentioned technical proposal, baffle in stirring sewage and activated sludge suitably stopped, with eliminate Because of the phenomenon of turning round and round that stirring generates, the degree that activated sludge stirs up and down is improved, to reach mixing more evenly.

The utility model is further arranged to: the aerator includes gas supply supervisor and supplies for the gas supply supervisor Air compressor machine, the gas supply supervisor are set to the bottom of pond of the pond body, are communicated with more gas manifolds, each institute on the gas supply supervisor It states and is respectively connected with aeration tube on gas manifold.

By using above-mentioned technical proposal, it is laid on gas supply supervisor, gas manifold and the aeration tube composition aeration of bottom of pond Air is passed into aeration pipe network by pipe network when air compressor machine works, to carry out more fully Air Exposure to the sewage in pond body.

In conclusion the utility model has the following beneficial effects:

1, by the way that agitating device is arranged in pond body, agitating device drives sewage and activated sludge in pond to stir, thus Activated sludge in water is fully contacted with gas, the reaction effect of activated sludge and sewage is enhanced；

2, by opening up through-hole on circulating sleeve, and rotation is provided with impeller in through-hole, and impeller carries out secondary agitation To accelerate the rupture of bubble, and then promote the mixing of activated sludge and gas.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of aeration tank in embodiment；

Fig. 2 is the structural schematic diagram of agitating device in embodiment.

In figure, 1, pond body；11, baffle；2, aerator；21, air compressor machine；22, gas supply supervisor；23, gas manifold；24, Aeration tube；3, agitating device；31, stirring motor；32, agitating shaft；33, transmission component；331, drive sprocket；332, driven chain Wheel；333, transmission chain；34, right-handed screw blade；35, backpitch blade；36, circulating sleeve；361, strut；362, communication port； 363, turnup structure；364, through-hole；4, impeller；41, shaft；42, shifting block.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment: a kind of aeration tank, as shown in Figure 1, include pond body 1, be provided in pond body 1 more root canal roads to intake, Draining and blowdown, are additionally provided with aerator 2 in pond body 1, and aerator 2 includes air compressor machine 21 and supplied by air compressor machine 21 Gas supply supervisor 22, gas supply supervisor 22 are laid on the bottom of pond body 1 and are provided with and communicated with multiple gas manifolds 23, each gas supply branch Pipe 23 is respectively connected with aeration tube 24, gas supply supervisor 22, gas manifold 23 and the composition aeration pipe network of aeration tube 24.

Agitating device 3 is also equipped in pond body 1, agitating device 3 includes stirring motor 31 and agitating shaft 32, stirring motor 31 Transmission component 33 is provided between agitating shaft 32, wherein stirring motor 31 is fixed on the upper end of pond body 1,32 water of agitating shaft Flat to be arranged in pond body 1 and turn round connection with pond body 1, transmission component 33 includes drive sprocket 331, driven sprocket 332 and passes Dynamic chain 333, drive sprocket 331 are coaxially fixed on the output end of stirring motor 31, and driven sprocket 332 is coaxially fixed on agitating shaft On 32, transmission chain 333 is engaged in the outside of drive sprocket 331 and driven sprocket 332, to make stirring motor 31 and stirring Axis 32 is sequentially connected.

As shown in Fig. 2, being intervally distributed with one section of right-handed screw blade 34 and one section of backpitch blade along axis on agitating shaft 32 35, the outer sheath of agitating shaft 32 is equipped with circulating sleeve 36, and circulating sleeve 36 is the cylinder-like structure of open at both ends setting, circulating sleeve The outside of cylinder 36 is provided with several struts 361, and the other end of strut 361 is fixed on the inner wall of pond body 1；Circulating sleeve 36 is just Offer communication port 362 at the position that helical blade 34 and backpitch blade 35 are spaced, communication port 362 be arranged towards bottom of pond and to Extend the turnup structure 363 of arc outside, turnup structure 363 is directed away from the axis direction setting of agitating shaft 32.

When carrying out Air Exposure to sewage, sewage is drained into pond body 1 from pipeline, then addition is handled into pond body 1 Activated sludge, air compressor machine 21 squeezes into the gas of aeration in gas supply supervisor 22 later, then is imported and supplied by gas supply supervisor 22 In gas branch pipe 23, gas manifold 23 introduces gas into aeration tube 24 again, and final gas is discharged in water by aeration tube 24 and is carried out Aeration；While aeration start stirring motor 31, stirring motor 31 drive drive sprocket 331 rotate, by drive sprocket 331, Engaged transmission between driven sprocket 332 and transmission chain 333 drives agitating shaft 32 to rotate, right-handed screw blade 34 and backpitch blade 35 rotate with it and are stirred to sewage and activated sludge, and right-handed screw blade 34 and backpitch blade 35 respectively will while stirring Sewage and activated sludge are transported in circulating sleeve 36 along the spiral trend of respective blade, and circulating sleeve 36 is to sewage and activity Sludge plays the role of extruding, to the bubble in sewage be racked, so that the activated sludge in water can be fully It is contacted with gas, enhances the reaction effect of activated sludge and sewage;The sewage and activated sludge being transported in circulating sleeve 36 are most Surrounding is flowed to again from 362 row of communication port to bottom of pond eventually, is realized the circulation mixing of sewage and activated sludge, is made sewage and activated sludge That reacts is more uniform abundant.Air compressor machine 21 is closed after the completion of aeration, stands water, so that activated sludge is deposited in bottom of pond, then Clear water is discharged by pipeline, the mixture of water and activated sludge is discharged by pipeline again later.

Multiple through-holes 364 are uniformly provided on the outer peripheral surface of circulating sleeve 36, rotation is provided with impeller 4 in through-hole 364, Impeller 4 is made of the shifting block 42 of shaft 41 and circle distribution on 41 outer peripheral surface of shaft, and impeller 4 is connected to by the revolution of shaft 41 In through-hole 364, and the axis of shaft 41 is parallel with the axis of agitating shaft 32.When agitating shaft 32 stirs, sewage and activated sludge exist It stirs in pond body 1, while being passed through from the through-hole 364 of circulating sleeve 36 again, the reaction force of sewage and activated sludge can drive Impeller 4 rotates, and impeller 4 carries out secondary agitation to material, to make to be formed in the material stirred up and down multiple continuous small again Vortex, collision forms turbulent flow in pond body 1 between vortex, to accelerate the rupture of bubble, and then promotes activated sludge and gas Mixing.

Be disposed with baffle 11 vertically on the inner wall of pond body 1, by baffle 11 in stirring sewage and activated sludge into Row is appropriate to be stopped, and to eliminate the phenomenon of turning round and round generated by stirring, the degree that activated sludge stirs up and down is improved, to reach more Even mixing.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims

1. a kind of aeration tank, including pond body (1), the pond body (1) is interior to be provided with aerator (2), it is characterised in that: the pond It is provided with agitating device (3) in body (1), the agitating device (3) includes the stirring motor for being fixed on pond body (1) upper end (31) and the agitating shaft (32) that is rotatably arranged in pond body (1), pass through chain between the stirring motor (31) and agitating shaft (32) Transmission connection；Described agitating shaft (32) one end is distributed with right-handed screw blade (34), the other end along axis and anti-spiral shell is distributed with along axis Vane piece (35), the right-handed screw blade (34) and the setting of backpitch blade (35) interval；The outer sheath of the agitating shaft (32) Equipped with circulating sleeve (36), circulating sleeve (36) the open at both ends setting is supported and fixed in the pond body (1), circulating sleeve Cylinder (36) is equipped with communication port (362).

2. aeration tank according to claim 1, it is characterised in that: set between the stirring motor (31) and agitating shaft (32) It is equipped with transmission component (33), the transmission component (33) includes drive sprocket (331), driven sprocket (332) and transmission chain (333), the drive sprocket (331) is coaxially fixed on the output end of stirring motor (31), and the driven sprocket (332) is coaxial It is fixed on agitating shaft (32), transmission chain (333) is engaged in the outside of drive sprocket (331) and driven sprocket (332).

3. aeration tank according to claim 1, it is characterised in that: uniformly opened up on the outer peripheral surface of the circulating sleeve (36) Have multiple through-holes (364), is equipped with rotatable impeller (4) in the through-hole (364).

4. aeration tank according to claim 3, it is characterised in that: the impeller (4) includes shaft (41) and circumferentially divides For cloth in the shifting block (42) of shaft (41) lateral surface, the axis of the shaft (41) is parallel with the axis of the agitating shaft (32).

5. aeration tank according to claim 1, it is characterised in that: shown communication port (362) is arranged towards bottom of pond.

6. aeration tank according to claim 1, it is characterised in that: set at the communication port (362) of the circulating sleeve (36) It is equipped with the turnup structure (363) of arc, turnup structure (363) is directed away from the axis direction setting of agitating shaft (32).

7. aeration tank according to claim 1, it is characterised in that: be disposed with baffle (11) on the pond body (1).

8. aeration tank according to claim 1, it is characterised in that: the aerator (2) include gas supply supervisor (22) and For the air compressor machine (21) of gas supply supervisor (22) gas supply, the gas supply supervisor (22) is set to the bottom of pond of the pond body (1), institute It states and is communicated with more gas manifolds (23) on gas supply supervisor (22), be respectively connected with aeration tube on each gas manifold (23) (24)。