CN105731637A - Membrane biological water treatment system and method - Google Patents
Membrane biological water treatment system and method Download PDFInfo
- Publication number
- CN105731637A CN105731637A CN201610093378.XA CN201610093378A CN105731637A CN 105731637 A CN105731637 A CN 105731637A CN 201610093378 A CN201610093378 A CN 201610093378A CN 105731637 A CN105731637 A CN 105731637A
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- valve
- membrane module
- water
- reactor cell
- cell body
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Classifications
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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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
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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
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/102—Permeable membranes
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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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a membrane biological water treatment system and method and belongs to the technical field of biological water treatment. A membrane biological reactor and a bio-membrane reactor are combined, a hollow fiber membrane assembly is arranged in the membrane biological reactor and serves as filler of the bio-membrane reactor at the same time, microorganisms in water provide growth carriers, a biological membrane is formed, contaminants in the water are removed, the microorganisms in the biological membrane and organic contaminants in sewage or organic contaminants intercepted on a hollow fiber membrane are nutritional substances, and aeration is conducted in the membrane assembly and a pond body. The sewage is purified by means of the ultrafiltration effect of the suspended microorganisms and the hollow fiber membrane and metabolism of the microorganisms on the membrane.
Description
Technical field
The invention belongs to Biological water processing technology field, be specifically related to a kind of film Biological water and process system and method.
Background technology
Biomembrance process refers to that substantial amounts of microorganism (aerobic bacteria, anaerobe, amphimicrobe, fungus, protozoacide and algae etc.) is attached to medium filter material surface, form biomembrane, sewage is with after biofilm contact, microorganism in biomembrane is with the organic pollution in sewage for nutrient substance, by organic matter degradation in metabolic processes, microorganism self simultaneously is also bred, and makes sewage be purified.Wherein, it is provided that the inert carrier of attached growth of microorganisms is referred to as filtrate or filler.Biomembrance process has some peculiar advantages, and such as without sludge reflux, operational management is easy, without sludge bulking problem, it is easy to microbe survival, stable etc..
Membrane bioreactor (MBR) is a kind of new type water treatment technology combined with biological processing unit by film separation unit, second pond is replaced with membrane module, bioreactor keeps high activity sludge concentration, reduces sewage treatment facility and take up an area, and by keeping low sludge loading to reduce sludge quantity.Compared with traditional biochemical water technology, MBR has following main feature: treatment effeciency is high, effluent quality is good；Facility compact, floor space are little；Easy realization automatically controls, operational management is simple.
Publication number be the patent disclosure of CN104773820A a kind of membrane bioreactor intermittent cyclic aerator and aeration method, the method is in order to ensure that MBR is properly functioning, reaction unit is needed to carry out aeration oxygen supply, the gas-liquid flow that aeration produces also functions to wash away face effect, it is possible to alleviate fouling membrane, reduces transmembrane pressure inside and outside film, increase the service life, this patent membrane module inanimate object film, treatment effect is poor, and treatment effeciency is low；Publication number a kind of method processing petrochemical wastewater that has been the patent disclosure of CN1669941A, the method provides a kind of method processing petrochemical wastewater adopting activated sludge process to combine with biomembrance process, the method increases filler in original sewage treatment process, adopt two step Aerobic biological process to process petrochemical wastewater, namely first use Wastewater Treated by Activated Sludge Process waste water, then in same pond, process waste water with biomembrance process.
Summary of the invention
Present invention solves the technical problem that and there is provided a kind of film Biological water process system and method membrane bioreactor and biofilm reactor combined.
nullThe present invention solves that above-mentioned technical problem adopts the following technical scheme that，A kind of film Biological water processes system and method，It is characterized in that: this film biology water treatment system includes reactor cell body，The middle inside of reactor cell body is fixed with horizontally disposed membrane module by membrane module fixed mount，Membrane module air inlet is connected with the blower fan being arranged on the external side of reactor cell along place by membrane module airduct，This membrane module airduct is provided with membrane module airduct valve，Aeration head bottom reactor cell body is connected with blower fan by aeration airduct，This aeration airduct is provided with aeration airduct valve，Membrane module water inlet is connected with the backwash pump being arranged under the external side of reactor cell along place by backwash water pipe，This backwash water pipe is provided with backwashing water tube valve，Membrane module outlet is connected with draining pump by drain pipe，This drain pipe is provided with drain pipe valve，Drain pipe between drain pipe valve and membrane module is provided with evacuated tube，This evacuated tube is provided with exhaust-valve，The bottom of reactor cell body is connected with intake pump by water inlet pipe，This water inlet pipe is provided with water inlet pipe valve，The sidewall of reactor cell body is provided with liquidometer，Intake pump、Draining pump、Blower fan is connected with external electrical cable respectively with backwash pump；nullThe carrying out practically process of this film biology water treatment system is: first turn on water inlet pipe valve and intake pump，Sewage enters reactor cell body from water inlet pipe，When wastewater level distance reactor cell body is closed intake pump and water inlet pipe valve along 0.2-0.5m place，Open aeration airduct valve、Membrane module airduct valve and blower fan，Aeration airduct valve is closed after aeration 4-10h，Start precipitation，Precipitation 0.5-2h，It is then turned on backwashing water tube valve and backwash pump，Backwash 5-20min，Blower fan is closed after opening the gas in exhaust-valve emptying membrane module、Membrane module airduct valve、Backwash pump、Backwashing water tube valve and exhaust-valve，Opening water discharge tube valve and draining pump start draining，To reactor cell body, portion's water level decreasing closes draining pump and drain pipe valve to 0.2m place above membrane module，Enter next one circulation.
It is preferred that, described membrane module includes the sealing cavity being fixed on membrane module fixed mount and the hollow-fibre membrane being arranged between sealing cavity and connecting with sealing cavity, and the outside tube wall of this hollow-fibre membrane is attached with microorganism.
Limiting further, the upper end of described membrane module is on distance reactor cell body along 1/3 place, and the lower end of membrane module is on distance reactor cell body along 2/3 place.
The present invention in conjunction with activated sludge process, biomembrance process and membrane filter method in one, the hollow fiber film assembly that wherein membrane filtration adopts, again as the microbe stuffing of biomembrance process, passes into pressure-air for biomembrane offer dissolved oxygen the effect playing cleaning hollow-fibre membrane by blower fan in hollow-fibre membrane.The present invention is without sludge reflux, and without sludge bulking problem, it is easy to microbe survival, treatment effeciency is high, effluent quality is good；Facility compact, floor space are little；Easy realization automatically controls, operational management is simple and stable.
Accompanying drawing explanation
Fig. 1 is the structural representation of film biology water treatment system in the present invention.
In figure: 1, blower fan, 2, aeration airduct valve, 3, membrane module airduct valve, 4, membrane module airduct, 5, aeration airduct, 6, membrane module fixed mount, 7, reactor cell body, 8, backwashing water tube valve, 9, backwash pump, 10, backwash water pipe, 11, aeration head, 12, water inlet pipe, 13, intake pump, 14, water inlet pipe valve, 15, drain pipe, 16, draining pump, 17, drain pipe valve, 18, exhaust-valve, 19, membrane module.
Detailed description of the invention
By the following examples the foregoing of the present invention being described in further details, but this should not being interpreted as, the scope of the above-mentioned theme of the present invention is only limitted to below example, all technology realized based on foregoing of the present invention belong to the scope of the present invention.
Embodiment
nullA kind of film Biological water processes system and method，Including reactor cell body 7，The middle inside of reactor cell body 7 is fixed with horizontally disposed membrane module 19 by membrane module fixed mount 6，The upper end of membrane module 19 is on distance reactor cell body 7 along 1/3 place，The lower end of membrane module 19 is on distance reactor cell body 7 along 2/3 place，Membrane module 19 air inlet is connected with being arranged at the upper blower fan 1 along place outside reactor cell body 7 by membrane module airduct 4，This membrane module airduct 4 is provided with membrane module airduct valve 3，Aeration head 11 bottom reactor cell body 7 is connected with blower fan 1 by aeration airduct 5，This aeration airduct 5 is provided with aeration airduct valve 2，Membrane module 19 water inlet is connected with being arranged at the lower backwash pump 9 along place outside reactor cell body 7 by backwash water pipe 10，This backwash water pipe 10 is provided with backwashing water tube valve 8，Membrane module 19 outlet is connected with draining pump 16 by drain pipe 15，This drain pipe 15 is provided with drain pipe valve 17，Drain pipe 15 between drain pipe valve 17 and membrane module 19 is provided with evacuated tube，This evacuated tube is provided with exhaust-valve 18，The bottom of reactor cell body 7 is connected with intake pump 13 by water inlet pipe 12，This water inlet pipe 12 is provided with water inlet pipe valve 14，The sidewall of reactor cell body 7 is provided with liquidometer，Intake pump 13、Draining pump 16、Blower fan 1 is connected with external electrical cable respectively with backwash pump 9，Membrane module 19 includes the sealing cavity being fixed on membrane module fixed mount 6 and the hollow-fibre membrane being arranged between sealing cavity and connecting with sealing cavity，The outside tube wall of this hollow-fibre membrane is attached with microorganism.
In the present invention, the specification of reactor cell body is long 10m, wide 6m, high 9m.Membrane module fixing, membrane module upper end from reactor cell body along 3m, membrane module lower end from reactor cell body along 6m, membrane module is by the MBR75M0450FP membrane module of permanent big industrial Environmental Protection Technology Co., Ltd of Shenzhen supply.Intake pump is by the 150ZW400-25 type self-sucking non-plugging dredge pump of You ila county Hua Bang pump valve Manufacturing Co., Ltd supply, metered flow 400m3/ h, power 55kw, can by sewage input reactor cell body.Backwash pump is by the CPS-05 type water pump of Oran, Kunshan Ke Bengye Manufacturing Co., Ltd supply, power 0.37kw, is used for carrying clear water backwash membrane module.Blower fan is that model is JHSR-100, power 3-15kw, air quantity 2.94-7.94m by the roots blower of Jia He Machinery Co., Ltd. of Zhangqiu City supply3/ min, for aeration oxygen supply.Draining pump is by the 150ZW400-25 type self-sucking non-blockage water pump of You ila county Hua Bang pump valve Manufacturing Co., Ltd supply, metered flow 400m3/ h, power 55kw, can transport out treated water.Aeration head is by the supply of Wuxi City origin environmental protection equipment company limited.
The running of film biology water treatment system is: first turn on water inlet pipe valve and intake pump, and sewage enters reactor cell body from water inlet pipe, when wastewater level is to from stopping intake pump on reactor cell body along 0.5m place and closing water inlet pipe valve；Open blower fan, aeration airduct valve and membrane module airduct valve, close aeration airduct valve after aeration 5h, start precipitation；After precipitation 1h, open backwash pump and backwashing water tube valve simultaneously, backwashing time is 15min, blower fan, membrane module airduct valve, backwash pump, backwashing water tube valve and exhaust-valve is closed after being then turned on the gas in exhaust-valve emptying membrane module, opening water discharge pump and drain pipe valve start draining, close draining pump during 0.2m place above to water level decreasing to membrane module and drain pipe valve stops draining, enter next one circulation.If it is serious that drainage procedure is longer and membrane module flux declines, backwash number of times can be increased.
Membrane bioreactor is combined by the present invention with biofilm reactor, membrane bioreactor adopts hollow fiber film assembly, and hollow fiber film assembly is again as the filler of biofilm reactor simultaneously, provides growing carrier for microorganism in water, thus forming biomembrane, remove water pollutant.Microorganism in biomembrane is with the organic pollution in sewage or is trapped in the organic pollution on hollow-fibre membrane for nutrient substance, and aeration, the effect of aeration: is for microorganism oxygen supply on film in membrane module and in cell body；Two is to prevent hollow-fibre membrane Pore Blocking, alleviates fouling membrane；Three is for suspension microorganism oxygen supply.The present invention utilizes the metabolism of microorganism on suspension microorganism, the ultrafiltration of hollow-fibre membrane and film to make sewage be purified.The present invention is on the basis enhancing treatment effect, moreover it is possible to the advantage keeping two kinds of techniques, maintains good mud form and microbial activity, it is most important that can reach higher mud decrement effect.
Embodiment above describes the ultimate principle of the present invention, principal character and advantage; skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; under the scope without departing from the principle of the invention; the present invention also has various changes and modifications, and these changes and improvements each fall within the scope of protection of the invention.
Claims (3)
- null1. a film Biological water processes system and method，It is characterized in that: this film biology water treatment system includes reactor cell body，The middle inside of reactor cell body is fixed with horizontally disposed membrane module by membrane module fixed mount，Membrane module air inlet is connected with the blower fan being arranged on the external side of reactor cell along place by membrane module airduct，This membrane module airduct is provided with membrane module airduct valve，Aeration head bottom reactor cell body is connected with blower fan by aeration airduct，This aeration airduct is provided with aeration airduct valve，Membrane module water inlet is connected with the backwash pump being arranged under the external side of reactor cell along place by backwash water pipe，This backwash water pipe is provided with backwashing water tube valve，Membrane module outlet is connected with draining pump by drain pipe，This drain pipe is provided with drain pipe valve，Drain pipe between drain pipe valve and membrane module is provided with evacuated tube，This evacuated tube is provided with exhaust-valve，The bottom of reactor cell body is connected with intake pump by water inlet pipe，This water inlet pipe is provided with water inlet pipe valve，The sidewall of reactor cell body is provided with liquidometer，Intake pump、Draining pump、Blower fan is connected with external electrical cable respectively with backwash pump；nullThe carrying out practically process of this film biology water treatment system is: first turn on water inlet pipe valve and intake pump，Sewage enters reactor cell body from water inlet pipe，When wastewater level distance reactor cell body is closed intake pump and water inlet pipe valve along 0.2-0.5m place，Open aeration airduct valve、Membrane module airduct valve and blower fan，Aeration airduct valve is closed after aeration 4-10h，Start precipitation，Precipitation 0.5-2h，It is then turned on backwashing water tube valve and backwash pump，Backwash 5-20min，Blower fan is closed after opening the gas in exhaust-valve emptying membrane module、Membrane module airduct valve、Backwash pump、Backwashing water tube valve and exhaust-valve，Opening water discharge tube valve and draining pump start draining，To reactor cell body, portion's water level decreasing closes draining pump and drain pipe valve to 0.2m place above membrane module，Enter next one circulation.
- 2. film Biological water according to claim 1 processes system and method, it is characterized in that: described membrane module includes the sealing cavity being fixed on membrane module fixed mount and the hollow-fibre membrane being arranged between sealing cavity and connecting with sealing cavity, and the outside tube wall of this hollow-fibre membrane is attached with microorganism.
- 3. film Biological water according to claim 1 processes system and method, it is characterised in that: the upper end of described membrane module is on distance reactor cell body along 1/3 place, and the lower end of membrane module is on distance reactor cell body along 2/3 place.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610093378.XA CN105731637A (en) | 2016-02-22 | 2016-02-22 | Membrane biological water treatment system and method |
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| CN201610093378.XA CN105731637A (en) | 2016-02-22 | 2016-02-22 | Membrane biological water treatment system and method |
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| CN105731637A true CN105731637A (en) | 2016-07-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186281A (en) * | 2016-08-12 | 2016-12-07 | 天津晨曦源科技有限公司 | A kind of unpowered MBR wastewater treatment vehicle |
| DE202017107020U1 (en) | 2016-11-30 | 2017-11-29 | ALVEST Group s.r.o | Biological sewage treatment plant |
| CN113666489A (en) * | 2021-09-08 | 2021-11-19 | 天津大学 | Integrated sewage treatment reactor |
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2016
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186281A (en) * | 2016-08-12 | 2016-12-07 | 天津晨曦源科技有限公司 | A kind of unpowered MBR wastewater treatment vehicle |
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| CN113666489A (en) * | 2021-09-08 | 2021-11-19 | 天津大学 | Integrated sewage treatment reactor |
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