CN209226678U - A kind of composite rotating bio-disc processing unit - Google Patents
A kind of composite rotating bio-disc processing unit Download PDFInfo
- Publication number
- CN209226678U CN209226678U CN201821019160.0U CN201821019160U CN209226678U CN 209226678 U CN209226678 U CN 209226678U CN 201821019160 U CN201821019160 U CN 201821019160U CN 209226678 U CN209226678 U CN 209226678U
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- China
- Prior art keywords
- groove body
- acidification pool
- rotating disk
- hydrolysis
- bio
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Abstract
The utility model provides a kind of composite rotating bio-disc processing unit, belongs to field of sewage treatment, including sequentially connected micro- oxygen hydrolysis acidizing device, rotating bio-disc reactor and secondary settling tank；Micro- oxygen hydrolysis acidizing device includes hydrolysis acidification pool and sedimentation basin, and the bottom of the hydrolysis acidification pool is connected to the top of sedimentation basin by the first connecting tube, biologic packing material is equipped in the hydrolysis acidification pool, and the bottom of hydrolysis acidification pool is equipped with aeration tube；The rotating bio-disc reactor includes groove body and is rotatably connected in the biological rotating disk of groove body opening, the biological rotating disk is driven by driving device, in the groove body, bacterium room decomposition layer is equipped with below biological rotating disk, the bottom of the groove body is equipped with the first reflux unit of top of sewage backflow to biological rotating disk；Packing layer is equipped in the secondary settling tank.Denitrification effect can be improved in the utility model, and is capable of handling high concentration organic sewage.
Description
Technical field
The utility model belongs to field of sewage treatment, and in particular to a kind of composite rotating bio-disc processing unit.
Background technique
Biological rotating disk is a kind of biofilm sewage disposal technology, mainly by sink and the rotation being partially immersed in sewage
Disk body composition.At work, turntable immerses biological rotating disk or part is immersed in the haptoreaction slot full of sewage, in driving device
Driving under, shaft drives turntable to rotate with certain speed, and turntable is alternately contacted with dirty water and air, through after a period of time
Rotation after, one layer of biomembrane will be adhered on disc.When being transferred in sewage, organic pollutant in biomembrane absorption effluent,
And the dissolved oxygen in the outer moisture film of organism-absorbing film, organic matter is decomposed, microorganism is able to self-reproduction in this course；
It when turntable produces reactive tank, is contacted with air, air is constantly dissolved into moisture film, increases its dissolved oxygen.In this process
In, between the biomembrane and sewage and air that adhere on turntable, carry out organic matter, O2、CO2、NH3Deng transmitting, formed one
A continuous absorption, oxygenolysis, the process of oxygen uptake, make sewage be continuously available purification.
But traditional biological rotating disk there are organic loadings in sewage disposal process it is low, denitrification effect is bad the problems such as.
Utility model content
The utility model provides a kind of composite rotating bio-disc processing unit, it is desirable to provide one kind, which is capable of handling high concentration, to be had
Machine waste water and the good processing unit of denitrification effect, to solve problems of the prior art.
The utility model provides a kind of composite rotating bio-disc processing unit, including sequentially connected micro- oxygen hydrolysis acidification dress
It sets, rotating bio-disc reactor and secondary settling tank；Micro- oxygen hydrolysis acidizing device includes hydrolysis acidification pool and sedimentation basin, the water
The bottom of solution acidification pool is connected to the top of sedimentation basin by the first connecting tube, and biologic packing material is equipped in the hydrolysis acidification pool,
And the bottom of hydrolysis acidification pool is equipped with aeration tube；The rotating bio-disc reactor includes groove body and is rotatably connected in groove body opening
The biological rotating disk at place, the biological rotating disk are driven by driving device, and in the groove body, bacterium room point is equipped with below biological rotating disk
Layer is solved, the bottom of the groove body is equipped with the first reflux unit of top of sewage backflow to biological rotating disk；It is set in the secondary settling tank
Have for the packing layer to sewage water filtration.
Preferably, the groove body bottom level is equipped with the first agitating device being stirred to sewage, first stirring
Device includes the first stirring motor and shaft, and the periphery of the shaft is equipped with several rotating vanes, first reflux unit
Including the first reflux pump, the first return pipe and isocon, first reflux pump is connected on the first return pipe, and described first time
The part that flow tube is located above biological rotating disk is connected with isocon straight down, realizes multistage denitrogenation by the first reflux unit
Process improves denitrification effect.
Preferably, the biologic packing material is elastic solid filler, and the filling rate of the biologic packing material is 35%-45%, institute
The concentration for stating dissolved oxygen in hydrolysis acidification pool is 0.2-0.4mg/L, controls dissolved oxygen in hydrolysis acidification pool by aerator
Content is at micro- oxygen condition, by micro- oxygen hydrolysis acidification in sewage macromolecular compound and organic matter degrade,
The biodegradability of sewage is improved, subsequent technique processing load is mitigated.
Preferably, the top of the sedimentation basin is equipped with the second agitating device being stirred to settled sludge, the precipitating
The bottom in pond is equipped with the second reflux unit in sludge reflux to hydrolysis acidification pool, and the second agitating device is arranged and is convenient for sludge
Reflux, sludge reflux can make hydrolysis acidification pool have the higher biomass of holding, improve pretreating effect.
Preferably, described filler layer material is one of sandstone, zeolite or a variety of.
The utility model provides a kind of composite rotating bio-disc processing unit and has the advantage that compared with prior art
1, this practical height is novel equipped with micro- oxygen hydrolysis acidizing device, can in sewage macromolecular compound and organic matter drop
Solution, pre-processes sewage, improves the biodegradability of sewage, mitigates subsequent technique processing load；2, rotating bio-disc reactor
It is interior to be equipped with bacterium room decomposition layer, facilitate the culture and generation of nitrobacteria and denitrifying bacteria, and pass through the first reflux dress
The multistage denitrogenation processing for realizing sewage is set, can be improved denitrification effect；3, the sludge in the sedimentation basin of micro- oxygen hydrolysis acidizing device
It is flowed back into hydrolysis acidification pool by the second reflux unit, has hydrolysis acidification pool and keep higher biomass, improve pretreatment
Effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of composite rotating bio-disc processing unit in the utility model embodiment.
Specific embodiment
With reference to the accompanying drawing, a specific embodiment of the utility model is described in detail, it is to be understood that this
The protection scope of utility model is not limited by the specific implementation.
As shown in Figure 1, a kind of composite rotating bio-disc processing unit, including sequentially connected micro- oxygen hydrolysis acidizing device,
Rotating bio-disc reactor and secondary settling tank 5；Micro- oxygen hydrolysis acidizing device includes hydrolysis acidification pool 1 and sedimentation basin 2, the water
The top of solution acidification pool 1 is connected with water inlet pipe 101, and the bottom of the hydrolysis acidification pool 1 and the top of sedimentation basin 2 connect by first
Adapter tube connection, the hydrolysis acidification pool 1 is interior to be equipped with elastic solid filler 102, and the filling rate of the elastic solid filler 102 is
40%, load has microorganism on the elastic solid filler 102, and the bottom of the hydrolysis acidification pool 1 is equipped with aeration tube 103, institute
It states aeration tube 103 to connect with external aerator, is by the concentration that aerator controls dissolved oxygen in hydrolysis acidification pool 1
0.2mg/L, makes in hydrolysis acidification pool 1 in micro- oxygen condition, by the acidification of micro- oxygen hydrolysis in sewage macromolecular compound and
Organic matter is degraded, and the biodegradability of sewage is improved, and mitigates subsequent technique processing load.The top of the sedimentation basin 2 is equipped with
Second agitating device, second agitating device include the second stirring motor 201 and agitating paddle 202, the bottom of the agitating paddle 202
End extends to the bottom of sedimentation basin 2, and the bottom of the sedimentation basin 2 is equipped with sludge reflux to second time in hydrolysis acidification pool 1
Flow device, second reflux unit includes the second return pipe 203 and the second reflux pump 204, second return pipe 203 with into
Water pipe 101 be connected to, setting the second agitating device be convenient for by sludge reflux, sludge reflux can make hydrolysis acidification pool 1 have holding compared with
High biomass improves pretreating effect.
The rotating bio-disc reactor includes groove body 3 and is rotatably connected in the biological rotating disk 4 of 3 opening of groove body, described
The top of sedimentation basin 2 is connected to by the second connecting tube with the upper left quarter of groove body 3, and the biological rotating disk 4 is driven by driving motor 401
It is dynamic, in the groove body 3, be equipped with bacterium room decomposition layer 301 below biological rotating disk 4,3 bottom level of groove body be equipped with to sewage into
First agitating device of row stirring, first agitating device include the first stirring motor 302 and shaft 303, the shaft 303
Periphery be equipped with several rotating vanes 304, the bottom of the groove body 3 is additionally provided at the top of sewage backflow to biological rotating disk 4 the
One reflux unit, first reflux unit include the first reflux pump 402, the first return pipe 403 and multiple isocons 404, institute
It states the first reflux pump 402 to be connected on the first return pipe 403, first return pipe 403 is located at the portion of 4 top of biological rotating disk
Divide the multiple isocons 404 being connected with straight down, passes through the first reflux unit and realize multistage denitrification process, improve denitrogenation effect
Fruit.
The upper right quarter of the groove body 3 is connected to by third connecting tube with the upper left quarter of secondary settling tank 5, is set in the secondary settling tank 5
There is packing layer 501, the material of described filler layer 501 is the mixture of sandstone and zeolite, is additionally provided with outlet pipe on the secondary settling tank 5
502。
Working principle of the utility model is: opening aerator makes in micro- oxygen condition in hydrolysis acidification pool 1, sewage pass through into
Water pipe 101 flows into hydrolysis acidification pool 1, and when flowing through elastic solid filler 102, the organic matter in sewage is loaded on elastic stereo
Microbial degradation on filler 102 is entered in sedimentation basin 2 by the first connecting tube through the processed sewage of hydrolysis acidification pool 1 and is sunk
It forms sediment, the supernatant in sedimentation basin 2 is transported in groove body 3 by the pump housing, opens driving motor 401 and biological rotating disk 4 is driven to rotate, right
Sewage carries out nitrification and denitrification processing, and the bacterium room decomposition layer 301 in groove body 3 facilitates nitrobacteria and denitrifying bacteria
Culture and generation, improve nitrification and denitrification effect, pass through the first reflux pump 402, the first return pipe 403 and distributive pipe 404
It will be handled again in sewage backflow in groove body 3 to biological rotating disk 4, realize multistage denitrification process, improve denitrification effect；Through
Rotating bio-disc reactor treated sewage is flowed into secondary settling tank 5 by third connecting tube, and the packing layer in secondary settling tank 5 is to sewage
It is filtered processing, treated, and supernatant is flowed out by outlet pipe 502.
Disclosed above is only a specific embodiment of the utility model, and still, the utility model embodiment is not office
It is limited to this, the changes that any person skilled in the art can think of should all fall into the protection scope of the utility model.
Claims (5)
1. a kind of composite rotating bio-disc processing unit, which is characterized in that including sequentially connected micro- oxygen hydrolysis acidizing device, life
Object disk reactor and secondary settling tank (5)；
Micro- oxygen hydrolysis acidizing device includes hydrolysis acidification pool (1) and sedimentation basin (2), the bottom of the hydrolysis acidification pool (1)
It is connected to the top of sedimentation basin (2) by the first connecting tube, is equipped with biologic packing material (102) in the hydrolysis acidification pool (1), and water
The bottom for solving acidification pool (1) is equipped with aeration tube (103)；
The rotating bio-disc reactor includes groove body (3) and is rotatably connected in the biological rotating disk (4) of groove body (3) opening, institute
It states biological rotating disk (4) to drive by driving device, in the groove body (3), is equipped with bacterium room decomposition layer below biological rotating disk (4)
(301), the bottom of the groove body (3) is equipped with for by the first reflux unit of top of sewage backflow to biological rotating disk (4)；It is described
It is equipped in secondary settling tank (5) for the packing layer (501) to sewage water filtration.
2. composite rotating bio-disc processing unit according to claim 1, which is characterized in that groove body (3) bottom water
Flat to be equipped with the first agitating device being stirred to sewage, first agitating device includes the first stirring motor (302) and turns
Axis (303), the periphery of the shaft (303) are equipped with several rotating vanes (304), and first reflux unit includes first time
Stream pump (402), the first return pipe (403) and isocon (404), first reflux pump (402) are connected to the first return pipe
(403) on, the part that first return pipe (403) is located above biological rotating disk (4) is connected with isocon straight down
(404)。
3. composite rotating bio-disc processing unit according to claim 1, which is characterized in that the biologic packing material (102)
For elastic solid filler, the filling rate of the biologic packing material (102) is 35%-45%, the interior dissolved oxygen of the hydrolysis acidification pool (1)
Concentration be 0.2-0.4mg/L.
4. composite rotating bio-disc processing unit according to claim 1, which is characterized in that the top of the sedimentation basin (2)
Portion is equipped with the second agitating device being stirred to settled sludge, and the bottom of the sedimentation basin is equipped with sludge reflux to hydrolysis acid
Change the second reflux unit in pond (1).
5. composite rotating bio-disc processing unit according to claim 1, which is characterized in that described filler layer (501) material
Matter is one of sandstone, zeolite or a variety of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821019160.0U CN209226678U (en) | 2018-06-29 | 2018-06-29 | A kind of composite rotating bio-disc processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821019160.0U CN209226678U (en) | 2018-06-29 | 2018-06-29 | A kind of composite rotating bio-disc processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209226678U true CN209226678U (en) | 2019-08-09 |
Family
ID=67496907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821019160.0U Expired - Fee Related CN209226678U (en) | 2018-06-29 | 2018-06-29 | A kind of composite rotating bio-disc processing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209226678U (en) |
-
2018
- 2018-06-29 CN CN201821019160.0U patent/CN209226678U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 Termination date: 20200629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |