CN208136050U - A kind of A2/O-MBR sewage-treatment plant - Google Patents
A kind of A2/O-MBR sewage-treatment plant Download PDFInfo
- Publication number
- CN208136050U CN208136050U CN201820448682.6U CN201820448682U CN208136050U CN 208136050 U CN208136050 U CN 208136050U CN 201820448682 U CN201820448682 U CN 201820448682U CN 208136050 U CN208136050 U CN 208136050U
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- Prior art keywords
- sewage
- pond
- pool
- mbr membrane
- anaerobic pond
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Abstract
The utility model provides a kind of A2/O-MBR sewage-treatment plant.It solves the problems such as existing equipment wastewater treatment efficiency is poor,The utility model includes grid pond,Catchment conditioning tank,Anaerobic pond,Oxygen compatibility pool,Contact-oxidation pool,MBR membrane cisterna and blower,Grid is provided in grid pond for filtering bulky grain solid suspended matter,Grid pond is connected to the conditioning tank that catchments,Sewage pump is provided in anaerobic pond,Sewage pump can will be in the sewage lifting to anaerobic pond in anaerobic pond,Anaerobic pond is connected to oxygen compatibility pool,Oxygen compatibility pool is connected to contact-oxidation pool,Contact-oxidation pool and oxygen compatibility pool and MBR membrane cisterna are connected,Sewage in contact-oxidation pool can reach MBR membrane cisterna,MBR membrane bioreactor is provided in MBR membrane cisterna,Blower and oxygen compatibility pool,Contact-oxidation pool and the connection of MBR membrane cisterna are used for blast aeration,Sewage-treatment plant further includes by the sludge reflux mechanism in the sludge reflux in MBR membrane cisterna to anaerobic pond and oxygen compatibility pool.The utility model good sewage processing effect.
Description
Technical field
The utility model belongs to technical field of environment protection equipment, and in particular to a kind of A2/O-MBR sewage-treatment plant.
Background technique
With city water resource shortage, water pollution situation get worse and sewage drainage standard it is increasingly stringent so that
Advanced treatment of wastewater technology is able to fast development.
Traditional dirt sludge is used as the main method of municipal sewage treatment all the time, the sewage applied to various scales
Engineering is handled, but there are limitations and problems, it is difficult to meet the effect of denitrogenation dephosphorizing simultaneously, effluent quality is unstable, accounts for
Ground area is big, and process flow is complicated.It is therefore desirable to provide a kind of sewage-treatment plant that pollutant removal is good.
Utility model content
The purpose of this utility model is for disadvantages mentioned above present in existing sewage treatment, and providing a kind of can accurately control
The discharge of sewage processed and return sludge ratio are to improve the sewage-treatment plant of wastewater treatment efficiency.
The purpose of this utility model can be realized by the following technical scheme：
A kind of A2/O-MBR sewage-treatment plant, which is characterized in that it includes grid pond, the conditioning tank that catchments, anaerobic pond, simultaneous
Oxygen pond, contact-oxidation pool, MBR membrane cisterna and blower are provided with grid in grid pond for filtering bulky grain solid suspended matter, grid
Pond is connected to the conditioning tank that catchments, and sewage pump is provided in anaerobic pond, and sewage pump can be by the sewage lifting in anaerobic pond
Into anaerobic pond, anaerobic pond is connected to oxygen compatibility pool, and oxygen compatibility pool is connected to contact-oxidation pool, contact-oxidation pool and oxygen compatibility pool and MBR
Membrane cisterna is connected, and the sewage in contact-oxidation pool can reach MBR membrane cisterna, and MBR membrane bioreactor, blower are provided in MBR membrane cisterna
It is connect with oxygen compatibility pool, contact-oxidation pool and MBR membrane cisterna for blast aeration, the sewage-treatment plant further includes by MBR film
The sludge reflux mechanism in sludge reflux to anaerobic pond and oxygen compatibility pool in pond.
Sewage (such as sanitary sewage) is after grid retains big partial size solid suspension, into conditioning tank homogenizing water quality of catchmenting
(adjusting PH) is then promoted through sewage pump quantitative (being provided with the electromagnetic flowmeter control discharge of sewage on sewage pump)
For sewage to anaerobic pond, anaerobic pond is interior to have anaerobe, collective effect of the sewage through a variety of anaerobes in anaerobic pond
Most of organic matter is decomposed into CH4, CO2 and water, then gravity flow enters in oxygen compatibility pool, and the facultative aerobe in oxygen compatibility pool will be in sewage
The small organic molecule that larger molecular organics are converted into conducive to Aerobic Process for Treatment, at the same by partial organic substances be converted into CO2, CH4 and
Water, then gravity flow enters contact aerobic tank.It contacts under the sewage dissolution oxygen environment sufficient in pond in aerobic tank, utilizes micro- life
Most of organic matter is converted CO2 and water by object metabolism, and is nitrate nitrogen by mineralized nitrogen under the action of nitrifier, passes through
It mixes circulation (and the same route of sludge reflux) to aerobic area in thing liquid and completes denitrification denitrogenation.Sewage enters finally into MBR film
Biological concentration in processing system is improved in pond, effectively improves the volumetric loading of system and has ensured mud-water separation effect, keeps water outlet steady
Surely reach discharge standard.
In a kind of above-mentioned A2/O-MBR sewage-treatment plant, the sludge reflux mechanism includes sludge pump and sludge
Return pipe, sludge pump are connected to by one first branch pipe with mud return line, and the first branch pipe is connect with mud return line threeway, sludge
One end of return pipe is connect with mud collection device, and the other end passes through two the second branch pipes and anaerobic pond respectively and oxygen compatibility pool connects
It is logical, the first electromagnetic flowmeter is provided on the mud return line.
A control valve is provided on two second branch pipes of the utility model.
In a kind of above-mentioned A2/O-MBR sewage-treatment plant, the sewage-treatment plant further include control sewage into
Enter flow in sewage-treatment plant system and control the control device of sludge reflux amount, above-mentioned sewage pump by sewage pipe with
Anaerobic pond is connected to, and is provided with the second electromagnetic flowmeter on sewage pipe, the control device includes controller, is set in MBR membrane cisterna
It is equipped with concentration of suspension meter, the first electromagnetic flowmeter, the second electromagnetic flowmeter and concentration of suspension meter electrically connect with controller
It connects, display screen is provided on controller.
In a kind of above-mentioned A2/O-MBR sewage-treatment plant, the blower is rotary blower.
In a kind of above-mentioned A2/O-MBR sewage-treatment plant, the mud collection device includes sludge reservoir, dirty
One end of mud return pipe is connected to sludge reservoir.
The utility model can adjust the best reflux of sewage in sewage-treatment plant by the first, second electromagnetic flowmeter
Than making ammonia nitrogen removal efficiency reach highest.Concentration of suspension meter controls sludge concentration, and extra biochemical sludge is discharged into sludge reservoir,
Committee's outward transport disposition.
Compared with prior art, the utility model has the advantages that：
The utility model runs high degree of automation, operates without professional and fining operational management can be achieved, both protected
The stability for having hindered treatment effect reduces operating manpower cost again；Sewage, which enters, carries out essence using the second electromagnetic flowmeter of pipeline
Really control ensures that influent concentration is stablized, and the reflux of sewage mixed liquor carries out accurate control reflux ratio using the first electromagnetic flowmeter, mentions
High ammonia nitrogen removal effect；MBR membrane cisterna is equipped with concentration of suspension meter, can be shown according to numerical value and carry out quickly adjustment sludge concentration,
It ensures stable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure, 1, grid pond；2, catchment conditioning tank；3, anaerobic pond；4, oxygen compatibility pool；5, contact-oxidation pool；6, MBR membrane cisterna；
7, blower；8, sewage pump；9, MBR membrane bioreactor；10, sludge pump；11, mud return line；12, the first Electromagnetic Flow
Meter；13, the second electromagnetic flowmeter；14, concentration of suspension meter；15, sludge reservoir；16, controller.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, a kind of A2/O-MBR sewage-treatment plant provided by the utility model, it includes grid pond 1, catchments
Conditioning tank 2, anaerobic pond 3, oxygen compatibility pool 4, contact-oxidation pool 5, MBR membrane cisterna 6 and blower 7.Blower 7 is rotary blower.
Grid is provided in grid pond 1 for filtering bulky grain solid suspended matter, grid pond 1 is connected to the conditioning tank 2 that catchments,
It is provided with sewage pump 8 in anaerobic pond 3, sewage pump 8 can be by the sewage lifting in anaerobic pond 3 to anaerobic pond 3, anaerobism
Pond 3 is connected to oxygen compatibility pool 4, and oxygen compatibility pool 4 is connected to contact-oxidation pool 5, and contact-oxidation pool 5 and oxygen compatibility pool 4 and MBR membrane cisterna 6 are connected.
Sewage in contact-oxidation pool 5 can reach MBR membrane cisterna 6, be provided with MBR membrane bioreactor 9 in MBR membrane cisterna 6, blower 7 with it is simultaneous
Oxygen pond 4, contact-oxidation pool 5 and the connection of MBR membrane cisterna 6 are for giving these three pond blast aerations.
The utility model further includes by the sludge reflux in the sludge reflux in MBR membrane cisterna 6 to anaerobic pond 3 and oxygen compatibility pool 4
Mechanism.
The sludge reflux mechanism includes sludge pump 10 and mud return line 11, and sludge pump 10 passes through one first branch pipe and sludge
Return pipe 11 is connected to, and the first branch pipe is connect with 11 threeway of mud return line, one end of mud return line 11 and mud collection device
Connection, the other end pass through two the second branch pipes respectively and are connected to anaerobic pond 3 and oxygen compatibility pool 4, set on the mud return line 11
It is equipped with the first electromagnetic flowmeter 12.
A control valve is provided on two second branch pipes of the utility model.The utility model further include control sewage into
Enter flow and the control device of control sludge reflux amount in sewage-treatment plant system.Above-mentioned sewage pump 8 passes through sewage pipe
It is connected to anaerobic pond 3, the second electromagnetic flowmeter 13 is provided on sewage pipe, the control device includes controller 16, MBR film
Concentration of suspension meter 14 is provided in pond 6, the first electromagnetic flowmeter 12, the second electromagnetic flowmeter 13 and concentration of suspension meter 14 are equal
It is electrically connected with controller 16, is provided with display screen on controller 16.
Mud collection device includes sludge reservoir 15, and one end of mud return line 11 is connected to sludge reservoir 15.
When work, sewage (such as sanitary sewage) is adjusted after grid retains big partial size solid suspension into catchmenting
Pond 2 is homogenized water quality (adjusting PH), then (electromagnetic flowmeter control is provided on sewage pump 8 through sewage pump 8 is quantitative
The discharge of sewage) lifting sewage is to anaerobic pond 3, and anaerobic pond 3 is interior to have anaerobe, and the sewage in anaerobic pond 3 is through a variety of anaerobism
Most of organic matter is decomposed into CH4, CO2 and water by the collective effect of microorganism, and then gravity flow enters in oxygen compatibility pool 4, oxygen compatibility pool 4
The small organic molecule that interior facultative aerobe converts larger molecular organics in sewage to conducive to Aerobic Process for Treatment, at the same part is organic
Object is converted into CO2, CH4 and water, and then gravity flow enters contact aerobic tank.Contact the sewage dissolution sufficient in pond in aerobic tank
Under oxygen environment, CO2 and water are converted by most of organic matter using bacteria metabolism, and by ammonia under the action of nitrifier
Nitrogen is converted into nitrate nitrogen, passes through circulation (and the same route of sludge reflux passes through sewage backflow mechanism) in mixing thing liquid to aerobic area
Complete denitrification denitrogenation.Sewage enters finally into MBR membrane cisterna 6 and improves biological concentration in processing system, effectively improves the appearance of system
Product load has simultaneously ensured mud-water separation effect, and water outlet is made to stably reach discharge standard.
The utility model can adjust the best reflux of sewage in sewage-treatment plant by the first, second electromagnetic flowmeter
Than making ammonia nitrogen removal efficiency reach highest.Sludge concentration is controlled by concentration of suspension meter 14, extra biochemical sludge is discharged into sludge
Reservoir 15, outward transport disposition of entrusting.
The utility model runs high degree of automation, operates without professional and fining operational management can be achieved, both protected
The stability for having hindered treatment effect reduces operating manpower cost again；Sewage enters to be carried out using the second electromagnetic flowmeter of pipeline 13
Accurate control ensures that influent concentration is stablized；The reflux of sewage mixed liquor is accurately controlled using the first electromagnetic flowmeter of pipeline 12
Reflux ratio improves ammonia nitrogen removal effect；MBR membrane cisterna 6 is equipped with concentration of suspension meter 14, can be shown according to numerical value and carry out fast velocity modulation
Whole sludge concentration ensures stable.
It should be understood that in claims, specification of the utility model, all " including ... " should be understood as out
The meaning of formula is put, that is, its meaning is equal to " at least containing ... ", but should not be understood as enclosed meaning, i.e. its meaning
It should not be construed " only including ... ".
Those skilled in the art of the present invention can do described specific embodiment various
The similar mode of modify or supplement or adopt substitutes, but without departing from the spirit of the present application or surmounts appended right and want
Seek range defined in book.
Claims (3)
1. a kind of A2/O-MBR sewage-treatment plant, which is characterized in that it includes grid pond, the conditioning tank that catchments, anaerobic pond and oxygen
Pond, contact-oxidation pool, MBR membrane cisterna and blower are provided with grid in grid pond for filtering bulky grain solid suspended matter, grid pond
Conditioning tank is connected to catchmenting, and sewage pump is provided in anaerobic pond, and sewage pump can arrive the sewage lifting in anaerobic pond
In anaerobic pond, anaerobic pond is connected to oxygen compatibility pool, and oxygen compatibility pool is connected to contact-oxidation pool, contact-oxidation pool and oxygen compatibility pool and MBR film
Pond is connected, and the sewage in contact-oxidation pool can reach MBR membrane cisterna, is provided with MBR membrane bioreactor in MBR membrane cisterna, blower with
Oxygen compatibility pool, contact-oxidation pool and the connection of MBR membrane cisterna are used for blast aeration, and the sewage-treatment plant further includes by MBR membrane cisterna
Sludge reflux mechanism in interior sludge reflux to anaerobic pond and oxygen compatibility pool.
2. a kind of A2/O-MBR sewage-treatment plant according to claim 1, which is characterized in that the sludge reflux machine
Structure includes sludge pump and mud return line, and sludge pump is connected to by one first branch pipe with mud return line, the first branch pipe and sludge
Return pipe threeway connection, one end of mud return line are connect with mud collection device, and the other end passes through two the second branch pipes respectively
It is connected to anaerobic pond and oxygen compatibility pool, the first electromagnetic flowmeter is provided on the mud return line.
3. a kind of A2/O-MBR sewage-treatment plant according to claim 2, which is characterized in that the sewage treatment dress
Set further includes controlling sewage to enter flow and the control device of control sludge reflux amount, above-mentioned sewage in sewage-treatment plant system
Elevator pump is connected to by a sewage pipe with anaerobic pond, and the second electromagnetic flowmeter, the control device packet are provided on sewage pipe
Controller is included, concentration of suspension meter is provided in MBR membrane cisterna, the first electromagnetic flowmeter, the second electromagnetic flowmeter and suspended matter are dense
Degree meter is electrically connected with controller, is provided with display screen on controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820448682.6U CN208136050U (en) | 2018-03-27 | 2018-03-27 | A kind of A2/O-MBR sewage-treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820448682.6U CN208136050U (en) | 2018-03-27 | 2018-03-27 | A kind of A2/O-MBR sewage-treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208136050U true CN208136050U (en) | 2018-11-23 |
Family
ID=64290975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820448682.6U Expired - Fee Related CN208136050U (en) | 2018-03-27 | 2018-03-27 | A kind of A2/O-MBR sewage-treatment plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208136050U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437492A (en) * | 2018-12-25 | 2019-03-08 | 武汉念元环境科技有限公司 | Sewage disposal system for town domestic sewage purified treatment |
| CN109607788A (en) * | 2018-12-29 | 2019-04-12 | 中设设计集团环境科技有限公司 | One kind being based on modified form A2The rural decentralized wastewater integrated processing system of/O and MBR technology |
-
2018
- 2018-03-27 CN CN201820448682.6U patent/CN208136050U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437492A (en) * | 2018-12-25 | 2019-03-08 | 武汉念元环境科技有限公司 | Sewage disposal system for town domestic sewage purified treatment |
| CN109607788A (en) * | 2018-12-29 | 2019-04-12 | 中设设计集团环境科技有限公司 | One kind being based on modified form A2The rural decentralized wastewater integrated processing system of/O and MBR technology |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 Termination date: 20200327 |