CN110182945A - A kind of combined U ASB anaerobic reaction method and apparatus - Google Patents
A kind of combined U ASB anaerobic reaction method and apparatus Download PDFInfo
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- CN110182945A CN110182945A CN201910505654.2A CN201910505654A CN110182945A CN 110182945 A CN110182945 A CN 110182945A CN 201910505654 A CN201910505654 A CN 201910505654A CN 110182945 A CN110182945 A CN 110182945A
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- pond body
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/286—Anaerobic digestion processes including two or more steps
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- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a kind of combined U ASB anaerobic reaction method and apparatus, sewage is injected into reaction pond body by this method, is carried out Anaerobic Treatment, come into full contact with reacting with anaerobic activated sludge, obtain primary purification liquid；The obtained primary purification liquid is subjected to second of purified treatment, obtains second of purification liquid；Second of purification liquid is subjected to third time purified treatment, third time is obtained and purifies liquid；Third time purification liquid is subjected to three phase separation processing, and obtains final purification liquid after carrying out dross processing.Technical solution of the present invention is by using multi-level anaerobic reactor pond body, so that the hydraulic loading of lower part is big and reduces the hydraulic loading on top, which prevent due to hydraulic loading it is small caused by block the problem of, the clarity for being discharged top is higher, since lower layer is provided with return-flow system, so that the flow velocity of lower part water further increases, the problem of eliminating the short stream in part.
Description
Technical field
The present invention relates to technical field of sewage more particularly to a kind of combined U ASB anaerobic reaction method and apparatus.
Background technique
Upflow anaerobic sludge blanket reactor (Up-flow Anaerobic Sludge Bed/Blanket), english abbreviation
UASB is a kind of anaerobic organism method for handling sewage, is called upflow anaerobic sludge blanket process, sewage passes through UASB from bottom to top.
Reactor bottom has a high concentration, the Sludge Bed of high activity, and the majority of organic pollutants in sewage passes through anaerobism here
Fermentative degradation is methane and carbon dioxide.Because of the agitation of water flow and bubble, there is a sludge suspension layer on Sludge Bed.Reactor
Top has equipped with three phase separator, to separating digesting gas, digestive juice and mud granule.Export at the top of digestion gas autoreactor；
Mud granule slides the Sludge Bed for being settled down to reactor bottom automatically；Digestive juice is discharged from settling section.
There are some birth defects for traditional UASB reactor, such as in the higher waste water of processing solid suspension concentration
Easily cause blocking and short stream, more sensitive to water quality and load suddenly change, impact resistance is slightly worse, meanwhile, initial start-up and formation
It is longer when stable particle sludge, in addition it is also necessary to design reasonable three phase separator.
Summary of the invention
To overcome the problems in correlation technique, the embodiment of the present invention provide a kind of combined U ASB anaerobic reaction method and
Equipment, eliminate part short stream the problem of, increase the time of solid, liquid, gas three phase separation, make water outlet clarity it is higher.
The embodiment of the present invention provides a kind of method of combined U ASB anaerobic reaction, comprising the following steps:
Sewage is injected into reaction pond body, Anaerobic Treatment is carried out, come into full contact with reacting with anaerobic activated sludge, obtain
Primary purification liquid；
The obtained primary purification liquid is subjected to second of purified treatment, obtains second of purification liquid；
Second of purification liquid is subjected to third time purified treatment, third time is obtained and purifies liquid；
Third time purification liquid is subjected to three phase separation processing, and obtains final purification liquid after carrying out dross processing
Body.
It is described by sewage be injected into reaction pond body in, carry out Anaerobic Treatment, further include, using reflux pump in reaction tank into
Row reflux, makes activated sludge keep the state of high activity.
Further, three phase separation processing is carried out by three phase separator, by the solid in purification liquid, liquid and
Gas is successively separated；
It further include that gas is gathered and passed through water sealed tank by gas hood and carries out pressure protection.
It further include that solid is de-gassed by the reflecting plate of three phase separator and is deposited to Sludge Bed.
Further, the dross processing is retained using baffle.
The another aspect of the embodiment of the present invention provides a kind of combined U ASB anaerobic reaction equipment, including reaction pond body bottom
Layer, reaction pond body middle layer and reaction pond body upper layer, the lower part of reaction pond body bottom are provided with water inlet system, reaction pond body upper layer
Top is provided with three phase separator, reacts and is provided with triangle overflow weir at the top of pond body, the gas that three phase separator is separated
Body is connected with water sealed tank by gas hood and gas collecting tube, and the side of the reaction pond body bottom is provided with return-flow system.
Further, water inlet system includes water inlet manifold, injection well downhole flow regulator and water distributor, and water distributor is located at reaction pond body bottom
Inside, water distributor are connect by pipeline with injection well downhole flow regulator, and injection well downhole flow regulator is connect with water inlet manifold, and water inlet manifold and injection well downhole flow regulator are located at reaction
The outside of pond body bottom.
Further, triangle overflow weir is internally provided with scum board.
Further, reaction pond body bottom and reaction pond body upper layer are provided with temperature sensor.
Further, return-flow system includes return pipe and reflux pump, and the side for reacting pond body bottom is connected by return pipe
There is reflux pump.
Further, the top outer for reacting pond body offers effluent collection slot, and the lower part of effluent collection slot is provided with row
Water pipe.
The technical solution that the embodiment of the present invention provides has the advantages that using multi-level anaerobic reactor pond
Body causes so that the hydraulic loading of lower part is big and reduces the hydraulic loading on top which prevent small due to hydraulic loading
Blocking the problem of, and make top be discharged clarity it is higher；Due to be provided with return-flow system so that the flow velocity of lower part water into
The problem of one step increases, and eliminates the short stream in part, while the flowing of high speed is so that muddy water strengthens muddy water surface at fluidized state
Contact, sludge remain high activity therefrom；Three phase separator region pond body diameter further increases, and makes solid, liquid, gas three
Mutually the time of separation becomes longer, keeps the clarity of water outlet higher.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is the flow chart of combined U ASB anaerobic reaction in the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of combined U ASB anaerobic reaction equipment in the embodiment of the present invention.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and related application, method being described in detail in claims, some aspects of the invention are consistent.
Fig. 1 is the flow chart of combined U ASB anaerobic reaction in the embodiment of the present invention, as shown in Figure 1, combined U ASB detests
The method of oxygen reaction, comprising the following steps:
Sewage is injected into reaction pond body by step 101, carries out Anaerobic Treatment, lower layer is using reflux pump in reaction tank
It flows back, increases the upflow velocity of waste water, sewage reacts to obtain primary purifying liquid from bottom to top.
The primary purification liquid is carried out second of purified treatment by step 102, obtains second of purification liquid.
Second of purification liquid is carried out third time purified treatment by step 103, is obtained third time and is purified liquid.
Step 104 separates third time purification liquid by three phase separator, will be in third time purification liquid
Solid, liquids and gases successively separate.
Gas is gathered and passed through water sealed tank by gas hood and carries out pressure protection.
Granule sludge solid etc. is de-gassed by reflecting plate and is deposited to Sludge Bed.
The final purification liquid is carried out dross processing using baffle by step 105, obtains final purification liquid.
To realize the process, the embodiment of the invention also provides a kind of combined U ASB anaerobic reaction equipment.
Fig. 2 is the structural schematic diagram of combined U ASB anaerobic reaction equipment in the embodiment of the present invention, as shown in Fig. 2, the connection
UASB anaerobic reaction equipment, including reaction pond body bottom 4, reaction pond body middle layer 5 and reaction pond body upper layer 6 are closed, so that lower part
Hydraulic loading is big and reduces the hydraulic loading on top, it is therefore prevented that due to hydraulic loading it is small caused by block the problem of, and make
The clarity for obtaining top water outlet is higher, and level is more clearly demarcated, and the effect of sewage treatment is more preferable.
The lower part of reaction pond body bottom is provided with water inlet system, and water inlet system includes water inlet manifold 1, injection well downhole flow regulator 2 and water distribution
Device 3, water distributor are located at the inside of reaction pond body bottom, and water distributor is connect by pipeline with injection well downhole flow regulator, injection well downhole flow regulator and water inlet manifold
Connection, water inlet manifold and injection well downhole flow regulator are located at the outside of reaction pond body bottom, can make sewage it is more uniform be distributed in reaction tank
Body bottom guarantees that sewage is more uniform in the water distribution of reaction pond body bottom, prevents obstructing problem, reaction pond body bottom and anti-
Pond body upper layer is answered to be provided with temperature sensor 11, temperature change that can at any time inside observing response pond observes the anti-of sewage
Situation is answered, timely adjustment and early warning are preferably made according to response situation.
The top on reaction pond body upper layer is provided with three phase separator 7, and reactor pond body three phase separator area diameter expands suddenly
Greatly, the time for separating solid-liquid-gas three phase becomes longer, keeps the clarity of water outlet higher, the top outer for reacting pond body offers
Effluent collection slot 15, the lower part of effluent collection slot are provided with drainpipe 16, and the discharge for water body is collected, and react the top of pond body
It is provided with triangle overflow weir 8, liquid can be made uniformly to overflow and located, prevents localized liquid accumulation from excessively causing asking for the short stream in part
Topic, triangle overflow weir are internally provided with scum board 14, can effectively prevent residue and particulate matter blocking.
The gas that three phase separator is separated is connected with water sealed tank 10 by gas hood 9 and gas collecting tube, reacts pond body bottom
Side be provided with return-flow system, return-flow system includes return pipe 12 and reflux pump 13, and the side of reaction pond body bottom passes through back
The problem of flow tube is connected with reflux pump, and the flow velocity positioned at lower part sewage can be made to increase, eliminate the short stream in part, while high speed
So that muddy water strengthens the contact of muddy water surface at fluidized state, sludge remains high activity therefrom for flowing.
Using the technical solution in the embodiment, using multi-level anaerobic reactor pond body, so that the waterpower of lower part
Load is big and reduces the hydraulic loading on top, which prevent due to hydraulic loading it is small caused by block the problem of, and make
The clarity for obtaining top water outlet is higher；Office is eliminated so that the flow velocity of lower part water further increases due to being provided with return-flow system
The problem of short stream in portion, while the flowing of high speed, so that muddy water strengthens the contact of muddy water surface at fluidized state, sludge is protected therefrom
Hold high activity；Reactor pond body three phase separator region pond body diameter further increases, and separates solid-liquid-gas three phase
Time becomes longer, keeps the clarity of water outlet higher.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (10)
1. a kind of combined U ASB anaerobic reaction method, which comprises the following steps:
Sewage is injected into reaction pond body, Anaerobic Treatment is carried out, come into full contact with reacting with anaerobic activated sludge, obtain for the first time
Purify liquid；
The primary purification liquid is subjected to second of purified treatment, obtains second of purification liquid；
Second of purification liquid is subjected to third time purified treatment, third time is obtained and purifies liquid；
Third time purification liquid is subjected to three phase separation processing, and obtains final purification liquid after carrying out dross processing.
2. combined U ASB anaerobic reaction method according to claim 1, which is characterized in that described that sewage is injected into reaction
In pond body, Anaerobic Treatment is carried out, further comprising the steps of:
Using reflux pump to flowing back in reaction tank, activated sludge is made to keep the state of high activity.
3. combined U ASB anaerobic reaction method according to claim 1, which is characterized in that the three phase separation processing passes through
Three phase separator carries out, and solid, the liquids and gases in third time purification liquid are successively separated；
It further include that gas is gathered and passed through water sealed tank by gas hood and carries out pressure protection.
It further include that solid is de-gassed by the reflecting plate of three phase separator and is deposited to Sludge Bed.
4. combined U ASB anaerobic reaction method according to claim 1, which is characterized in that the dross processing uses baffle
It is retained.
5. a kind of combined U ASB anaerobic reaction equipment, which is characterized in that including reaction pond body bottom, reaction pond body middle layer and reaction
Pond body upper layer, the lower part of reaction pond body bottom are provided with water inlet system, and the top on reaction pond body upper layer is provided with three phase separator,
Triangle overflow weir is provided at the top of reaction pond body, the gas that three phase separator is separated is connected by gas hood with gas collecting tube
There is water sealed tank, the side of the reaction pond body bottom is provided with return-flow system.
6. combined U ASB anaerobic reaction equipment according to claim 5, which is characterized in that water inlet system includes total water inlet
Pipe, injection well downhole flow regulator and water distributor, water distributor are located at the inside of reaction pond body bottom, and water distributor is connect with injection well downhole flow regulator by pipeline, matched
Hydrophone is connect with water inlet manifold, and water inlet manifold and injection well downhole flow regulator are located at the outside for reacting pond body bottom.
7. combined U ASB anaerobic reaction equipment according to claim 5, which is characterized in that the inside of triangle overflow weir is set
It is equipped with scum board.
8. combined U ASB anaerobic reaction equipment according to claim 5, which is characterized in that reaction pond body bottom and reaction tank
Body upper layer is provided with temperature sensor.
9. combined U ASB anaerobic reaction equipment according to claim 5, which is characterized in that return-flow system include return pipe and
The side of reflux pump, reaction pond body bottom is connected with reflux pump by return pipe.
10. combined U ASB anaerobic reaction equipment according to claim 5, which is characterized in that react the top outer of pond body
Effluent collection slot is offered, the lower part of effluent collection slot is provided with drainpipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910505654.2A CN110182945A (en) | 2019-06-12 | 2019-06-12 | A kind of combined U ASB anaerobic reaction method and apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910505654.2A CN110182945A (en) | 2019-06-12 | 2019-06-12 | A kind of combined U ASB anaerobic reaction method and apparatus |
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| CN110182945A true CN110182945A (en) | 2019-08-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006281215A (en) * | 2006-07-25 | 2006-10-19 | Ebara Corp | Apparatus for treating organic waste water and method therefor |
| CN200943057Y (en) * | 2006-08-09 | 2007-09-05 | 江南大学 | Waste water treating apparatus for generating marsh gas and self-circulating anaerobic reactor |
| CN102139955A (en) * | 2011-04-12 | 2011-08-03 | 山东建筑大学 | Multistage recirculation reactor for anaerobic sludge |
| CN205575774U (en) * | 2016-05-05 | 2016-09-14 | 陕西绿鑫环保工程技术有限公司 | Efficient D -UASB reactor |
| CN108408889A (en) * | 2018-03-16 | 2018-08-17 | 杭州师范大学 | A kind of porous plate coupled filtering net up-flow granular sludge reactor |
-
2019
- 2019-06-12 CN CN201910505654.2A patent/CN110182945A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006281215A (en) * | 2006-07-25 | 2006-10-19 | Ebara Corp | Apparatus for treating organic waste water and method therefor |
| CN200943057Y (en) * | 2006-08-09 | 2007-09-05 | 江南大学 | Waste water treating apparatus for generating marsh gas and self-circulating anaerobic reactor |
| CN102139955A (en) * | 2011-04-12 | 2011-08-03 | 山东建筑大学 | Multistage recirculation reactor for anaerobic sludge |
| CN205575774U (en) * | 2016-05-05 | 2016-09-14 | 陕西绿鑫环保工程技术有限公司 | Efficient D -UASB reactor |
| CN108408889A (en) * | 2018-03-16 | 2018-08-17 | 杭州师范大学 | A kind of porous plate coupled filtering net up-flow granular sludge reactor |
Non-Patent Citations (1)
| Title |
|---|
| 李旭东等: "《废水处理技术及工程应用》", 30 June 2003, 北京：机械工业出版社 * |
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Application publication date: 20190830 |