CN206927766U - Return flow equipment - Google Patents
Return flow equipment Download PDFInfo
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- CN206927766U CN206927766U CN201720756232.9U CN201720756232U CN206927766U CN 206927766 U CN206927766 U CN 206927766U CN 201720756232 U CN201720756232 U CN 201720756232U CN 206927766 U CN206927766 U CN 206927766U
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Abstract
Return flow equipment is the utility model is related to, belongs to environmental technology field；The preliminary sedimentation tank is arranged on the rear side of grid pond；The regulating reservoir is arranged on the rear side of preliminary sedimentation tank；And the bottom of the regulating reservoir is provided with boring aeration pipe；Elevator pump is provided between regulating reservoir and the integration air-float pond；PH regulating reservoirs, coagulating basin and flocculation basin are provided with the integration air-float pond；The apopore in the integration air-float pond is connected with each other with buffer pool；Elevator pump is provided between buffer pool and the UASB pond；The UASB ponds are made up of sludge reaction area, gas-liquid-solid three-phase separator and air chamber three parts；Several water distributors are distributed with the bottom in the UASB ponds；Contact-oxidation pool, oxygen compatibility pool are sequentially provided with rear side of the UASB ponds；Suspension removal efficiency is high, and no acidification reaction occurs, and system operation is steady, and stable water outlet is up to standard；Strong shock resistance, high treating effect, realize sewage recycling.
Description
Technical field
Return flow equipment is the utility model is related to, belongs to environmental technology field.
Background technology
Currently used return flow method is simple physical treatment+biochemical treatment, but because bean product give up
The discharge capacity of water is big, organic concentration is high, SS is high, complicated component, causes that its treatment effect is bad, and wastewater surface easily forms scum silica frost
Layer, sludge bulking, it is not up to standard to go out aqueous suspension.Furthermore waste water processing station floor space is big, and technique is not advanced enough, treatment effect
Stability is poor.
Utility model content
The defects of the purpose of this utility model is to be directed to prior art and deficiency, there is provided a kind of simple in construction, design is closed
Reason, return flow equipment easy to use.
To achieve the above object, the technical solution adopted in the utility model is：It include grid pond, preliminary sedimentation tank, regulating reservoir,
Integration air-float pond, buffer pool, UASB ponds, contact-oxidation pool, oxygen compatibility pool, MBR ponds, clear water reserviors；Number is provided with the grid pond
Layer grid, and grid is arranged from big to small by gap；The preliminary sedimentation tank is arranged on the rear side of grid pond；The regulating reservoir is arranged on
The rear side of preliminary sedimentation tank；And the bottom of the regulating reservoir is provided with boring aeration pipe；Set between regulating reservoir and the integration air-float pond
There is elevator pump；PH regulating reservoirs, coagulating basin and flocculation basin are provided with the integration air-float pond；The water outlet in the integration air-float pond
Hole is connected with each other with buffer pool；Elevator pump is provided between buffer pool and the UASB pond；The UASB ponds are by sludge reaction area, gas
Liquid solid three-phase separator (including settling zone) and air chamber three parts composition；Several water distributors are distributed with the bottom in the UASB ponds；
Contact-oxidation pool, oxygen compatibility pool are sequentially provided with rear side of the UASB ponds；The bottom of the contact-oxidation pool is provided with several aeration plates；
The contact-oxidation pool, oxygen compatibility pool are bottom water inlet form, and contact-oxidation pool, oxygen compatibility pool cooperate；The oxygen compatibility pool
Outlet connects with MBR ponds；The entrance of the clear water reserviors is connected with the outlet in MBR ponds.
Preferably, the integration air-float pond is divided into three lattice, the first lattice are pH regulating reservoirs, mainly add NaOH, its
Dosage is controlled by pH meter；Second lattice are coagulating basin, and coagulating basin is provided with the metrical instrument for adding PAC；3rd lattice are flocculation basin,
Flocculation basin is provided with the metrical instrument for adding PAM.
Preferably, the integration air-float pond is by pond body, air dissolved pump and scrapes slag system and forms；The slag system of scraping includes
Slag Scraping Device, deslagging weir, Residue extraction pipeline composition.
Preferably, reflux pump is provided between the UASB ponds and buffer pool.
It is the carrier of biomembrane preferably, being covered with combined stuffing in the contact-oxidation pool and oxygen compatibility pool.
The utility model uses PLC control system, convenient operation and management.
When the utility model operates, waste water first passes around grid and preliminary sedimentation tank, removal can hypostasis and floating object, after mitigation
The processing load of continuous water treatment building, and play the effects such as protection water pump, pipeline, instrument；Its water outlet enters regulating reservoir, to water
Amount and water quality are adjusted, and ensure the stable progress of follow-up anaerobic reaction；Waste water after homogeneous is measured is pumped into by elevator pump
Integration air-float pond.Integration air-float pond includes pH regulating reservoirs, coagulating basin, flocculation basin and flotation tank.By the pH for adjusting waste water
Value, avoid UASB ponds from acidification phenomenon occur, improve anaerobism effect.Adding coagulation-flocculation agent enables to be difficult to the particle precipitated in water mutually
Phase-polymerization and form colloid, bigger floccule body is then combined to form with the impurity in water body, improves pneumatically supported removal effect.Through
The waste water of reaction is crossed from flotation tank is flow to, is combined using a large amount of micro-bubbles with floccule body, floccule body is floated to sewage surface,
Reach the purpose of separation scum silica frost and sludge, and remove a part of COD, reduce the load of follow-up structures.
UASB ponds are promoted in the presence of elevator pump after the buffered pond buffering of waste water by above-mentioned pretreatment.In sewage
Majority of organic pollutants be here degraded to methane and carbon dioxide by anaerobic fermentation, reach and remove most COD
Purpose, for subsequent biochemical reaction carry out create advantage.The buffer pool of UASB ponds front end sets COD on-line computing models,
UASB Chi Chushuichu set reflux pump, and capacity of returns is directly proportional to inlet COD concentration, reduce UASB ponds inlet COD concentration, reduce to detesting
The local assault of oxygen sludge, improves anaerobic digestion efficiency and impact resistance ability, and automaticity is high；By the waste water of anaerobic reaction
Into O/A reaction tanks.In Aerobic Pond, organic matter is further converted into by inorganic matter by aerobic bacteria effect, removes pollutant.
While organic matter is removed, the organic nitrogen in sewage is also oxidized to ammonia nitrogen, and ammonia nitrogen is longer in dissolved oxygen abundance, sludge age
In the case of, it is further converted into nitrite and nitrate.Its water outlet carries out denitrification denitrogenation from anoxic pond is flow to.Denitrifying bacterium
Dissolved oxygen concentration is extremely low or anaerobic condition under can be by the use of nitrogen in nitrate as electron acceptor oxidation of organic compounds, by nitrate
Nitrogen is reduced into, so as to realize the denitrification process of sewage.After anoxic pond is placed in into Aerobic Pond, reached without carrying out mixed-liquor return
To good denitrification effect, operating cost is reduced, simplifies technique.Waste water by O/A PROCESS FOR TREATMENTs enters MBR ponds, profit
With the activated sludge and larger molecular organicses in the membrane separation plant retention pond being immersed in aerobe pond, divided with reaching muddy water
From the purpose with removal pollutant.MBR is membrane separation technique and the novel state wastewater treatment system of biologic treating technique combination
System, high activity sludge concentration is kept in bioreactor, biological treatment organic loading is improved, so as to reduce sewage treatment facility
Floor space, construction investment is saved, and by keeping low sludge loading to reduce surplus sludge volume.Its effluent quality is good, can
Direct reuse, realize the recycling of sewage.
After said structure, return flow equipment described in the utility model has the advantages that：
1st, suspension removal efficiency is high, and no acidification reaction occurs, and system operation is steady, and stable water outlet is up to standard；
2nd, strong shock resistance, high treating effect, sewage recycling is realized；
3rd, technique is advanced, and convenient operation and management, labor intensity is low, and automaticity is high；
4th, compact-sized, floor space is small, and civil engineering is convenient, and surrounding environment is had no significant effect.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the equipment top view behind buffer pool in the utility model；
Fig. 2 is the operation workflow figure of all devices in the utility model；
Description of reference numerals：
Grid pond 1, preliminary sedimentation tank 2, regulating reservoir 3, integration air-float pond 4, buffer pool 5, UASB ponds 6,
Contact-oxidation pool 7, oxygen compatibility pool 8, MBR ponds 9, clear water reserviors 10.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
Referring to as depicted in figs. 1 and 2, present embodiment includes grid pond 1, preliminary sedimentation tank 2, regulating reservoir 3, integrated gas
Floating pond 4, buffer pool 5, UASB ponds 6, contact-oxidation pool 7, oxygen compatibility pool 8, MBR ponds 9, clear water reserviors 10；Number is provided with the grid pond 1
Layer grid, and grid is arranged from big to small by gap；The preliminary sedimentation tank 2 is arranged on the rear side of grid pond 1；The regulating reservoir is set
In the rear side of preliminary sedimentation tank 2；And the bottom of the regulating reservoir 3 is provided with boring aeration pipe；The regulating reservoir 3 and integration air-float pond 4
Between be provided with elevator pump；PH regulating reservoirs, coagulating basin and flocculation basin are provided with the integration air-float pond 4；The integration air-float
The apopore in pond 4 is connected with each other with buffer pool 5；Elevator pump is provided between the buffer pool 5 and UASB ponds 6；The UASB ponds 6 by
Sludge reaction area, gas-liquid-solid three-phase separator (including settling zone) and air chamber three parts composition；The bottom distribution in the UASB ponds 6
There are several water distributors；The rear side in the UASB ponds 6 is sequentially provided with contact-oxidation pool 7, oxygen compatibility pool 8；The bottom of the contact-oxidation pool 7
Portion is provided with several aeration plates；The contact-oxidation pool 7, oxygen compatibility pool 8 be bottom water inlet form, contact-oxidation pool 7, oxygen compatibility pool 8
Cooperate；The outlet of the oxygen compatibility pool 8 connects with MBR ponds 9；The entrance of the clear water reserviors 10 is connected with the outlet in MBR ponds 9.
Wherein, it is pH regulating reservoirs that the integration air-float pond 4, which is divided for three lattice, the first lattice, mainly adds NaOH, it is added
Amount is controlled by pH meter；Second lattice are coagulating basin, and coagulating basin is provided with the metrical instrument for adding PAC；3rd lattice are flocculation basin, flocculation
Pond is provided with the metrical instrument for adding PAM；The integration air-float pond 4 is by pond body, air dissolved pump and scrapes slag system and forms；It is described to scrape
Slag system includes Slag Scraping Device, deslagging weir, Residue extraction pipeline composition；Reflux pump is provided between the UASB ponds 6 and buffer pool 5；It is described
Combined stuffing is covered with contact-oxidation pool 7 and oxygen compatibility pool 8, is the carrier of biomembrane.
Present embodiment uses PLC control system, convenient operation and management.
When present embodiment operates, waste water first passes around grid and preliminary sedimentation tank, removal can hypostasis and floating object, to subtract
The processing load of light follow-up water treatment building, and play the effects such as protection water pump, pipeline, instrument；Its water outlet enters regulating reservoir,
Water and water quality are adjusted, ensure the stable progress of follow-up anaerobic reaction；Waste water after homogeneous is measured is by elevator pump
It is pumped into integration air-float pond.Integration air-float pond includes pH regulating reservoirs, coagulating basin, flocculation basin and flotation tank.By adjusting waste water
PH value, avoid UASB ponds from acidification phenomenon occur, improve anaerobism effect.Adding coagulation-flocculation agent makes to be difficult to the particle precipitated in water
It can be aggregated with one another and form colloid, bigger floccule body is then combined to form with the impurity in water body, improve pneumatically supported remove and imitate
Fruit.Waste water by reaction is combined with floccule body using a large amount of micro-bubbles from flotation tank is flow to, floccule body is floated to sewage
Surface, reaches the purpose of separation scum silica frost and sludge, and removes a part of COD, reduces the load of follow-up structures；By above-mentioned pre-
UASB ponds are promoted in the presence of elevator pump after the buffered pond buffering of waste water of processing.Majority of organic pollutants in sewage
Methane and carbon dioxide is degraded to by anaerobic fermentation here, reaches the purpose for removing most COD, is reacted for subsequent biochemical
Carry out create advantage.The buffer pool of UASB ponds front end sets COD on-line computing models, and UASB Chi Chushuichu set reflux pump,
Capacity of returns is directly proportional to inlet COD concentration, reduces UASB ponds inlet COD concentration, reduces the local assault to anaerobic sludge, improves
Anaerobic digestion efficiency and impact resistance ability, automaticity are high；Enter O/A reaction tanks by the waste water of anaerobic reaction.Aerobic
Chi Zhong, organic matter is further converted into by inorganic matter by aerobic bacteria effect, removes pollutant.It is removed in organic matter same
When, the organic nitrogen in sewage is also oxidized to ammonia nitrogen, and ammonia nitrogen is in the case where dissolved oxygen is sufficient, sludge age is longer, further conversion
Into nitrite and nitrate.Its water outlet carries out denitrification denitrogenation from anoxic pond is flow to.Denitrifying bacterium is extremely low in dissolved oxygen concentration
Or under anaerobic condition can by the use of nitrogen in nitrate as electron acceptor oxidation of organic compounds, by nitrate reduction into nitrogen, so as to
Realize the denitrification process of sewage.After anoxic pond is placed in into Aerobic Pond, reach good denitrogenation effect without carrying out mixed-liquor return
Fruit, operating cost is reduced, simplify technique.Waste water by O/A PROCESS FOR TREATMENTs enters MBR ponds, using being immersed in aerobic life
The activated sludge and larger molecular organicses in membrane separation plant retention pond in thing pond, to reach mud-water separation and remove pollutant
Purpose.MBR is membrane separation technique and the novel state Waste Water Treatment of biologic treating technique combination, in bioreactor
Middle holding high activity sludge concentration, improves biological treatment organic loading, so as to reduce sewage treatment facility floor space, saves
Construction investment, and by keeping low sludge loading to reduce surplus sludge volume.Its effluent quality is good, can direct reuse, realize
The recycling of sewage.
Return flow equipment described in present embodiment has the advantages that：Suspension removal efficiency
Height, no acidification reaction occur, and system operation is steady, and stable water outlet is up to standard；Strong shock resistance, high treating effect, realize sewage
Recycling；Technique is advanced, and convenient operation and management, labor intensity is low, and automaticity is high；Compact-sized, floor space is small, civil engineering
It is easy for construction, surrounding environment is had no significant effect.
It is described above, only to illustrate the technical solution of the utility model and unrestricted, those of ordinary skill in the art couple
The other modifications or equivalent substitution that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope, it all should cover among right of the present utility model.
Claims (6)
1. return flow equipment, it is characterised in that：It include grid pond, preliminary sedimentation tank, regulating reservoir, integration air-float pond,
Buffer pool, UASB ponds, contact-oxidation pool, oxygen compatibility pool, MBR ponds, clear water reserviors；Several layers of grid, and grid are provided with the grid pond
Arranged from big to small by gap；The preliminary sedimentation tank is arranged on the rear side of grid pond；The regulating reservoir is arranged on the rear side of preliminary sedimentation tank；
And the bottom of the regulating reservoir is provided with boring aeration pipe；Elevator pump is provided between regulating reservoir and the integration air-float pond；It is described
PH regulating reservoirs, coagulating basin and flocculation basin are provided with integration air-float pond；The apopore in the integration air-float pond and buffer pool phase
Connect；Elevator pump is provided between buffer pool and the UASB pond；The UASB ponds are separated by sludge reaction area, gas-liquid-solid three-phase
Device and air chamber three parts composition；Several water distributors are distributed with the bottom in the UASB ponds；It is sequentially provided with rear side of the UASB ponds
Contact-oxidation pool, oxygen compatibility pool；The bottom of the contact-oxidation pool is provided with several aeration plates；The contact-oxidation pool, oxygen compatibility pool are equal
For bottom water inlet form, contact-oxidation pool, oxygen compatibility pool cooperate；The outlet of the oxygen compatibility pool connects with MBR ponds；The clear water
The entrance in pond is connected with the outlet in MBR ponds.
2. return flow equipment according to claim 1, it is characterised in that：The integration air-float pond is divided into three
Lattice, the first lattice are pH regulating reservoirs, mainly add NaOH, its dosage is controlled by pH meter；Second lattice are coagulating basin, on coagulating basin
Provided with the metrical instrument for adding PAC；3rd lattice are flocculation basin, and flocculation basin is provided with the metrical instrument for adding PAM.
3. return flow equipment according to claim 1, it is characterised in that：The integration air-float pond is by pond
Body, air dissolved pump and scrape slag system composition；The slag system of scraping includes Slag Scraping Device, deslagging weir, Residue extraction pipeline composition.
4. return flow equipment according to claim 1, it is characterised in that：Between the UASB ponds and buffer pool
Provided with reflux pump.
5. return flow equipment according to claim 1, it is characterised in that：The contact-oxidation pool and oxygen compatibility pool
In be covered with combined stuffing, be biomembrane carrier.
6. return flow equipment according to claim 1, it is characterised in that：It uses PLC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720756232.9U CN206927766U (en) | 2017-06-27 | 2017-06-27 | Return flow equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720756232.9U CN206927766U (en) | 2017-06-27 | 2017-06-27 | Return flow equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206927766U true CN206927766U (en) | 2018-01-26 |
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ID=61353083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720756232.9U Active CN206927766U (en) | 2017-06-27 | 2017-06-27 | Return flow equipment |
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| Country | Link |
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| CN (1) | CN206927766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133534A (en) * | 2018-10-12 | 2019-01-04 | 河南恒安环保科技有限公司 | A kind of soybean wastewater harmless treatment reuse method |
-
2017
- 2017-06-27 CN CN201720756232.9U patent/CN206927766U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133534A (en) * | 2018-10-12 | 2019-01-04 | 河南恒安环保科技有限公司 | A kind of soybean wastewater harmless treatment reuse method |
| CN109133534B (en) * | 2018-10-12 | 2021-11-19 | 河南恒安环保科技有限公司 | Harmless treatment and recycling method for bean product wastewater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ding Pingping Inventor after: Yang Shuqi Inventor after: Wang Jielei Inventor after: Ding Jianfeng Inventor before: Ding Pingping Inventor before: Yang Shuqi Inventor before: Zhang Yi Inventor before: Wang Jielei Inventor before: Ding Jianfeng |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yu Pingping Inventor after: Yang Shuqi Inventor after: Wang Jielei Inventor after: Ding Jianfeng Inventor before: Ding Pingping Inventor before: Yang Shuqi Inventor before: Wang Jielei Inventor before: Ding Jianfeng |
|
| CB03 | Change of inventor or designer information |