CN105174623A - MBR (membrane bioreactor) sewage treatment machine - Google Patents
MBR (membrane bioreactor) sewage treatment machine Download PDFInfo
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- CN105174623A CN105174623A CN201510590688.8A CN201510590688A CN105174623A CN 105174623 A CN105174623 A CN 105174623A CN 201510590688 A CN201510590688 A CN 201510590688A CN 105174623 A CN105174623 A CN 105174623A
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- anaerobic pond
- sterilization pool
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- mbr membrane
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Abstract
The invention discloses an MBR (membrane bioreactor) sewage treatment machine. The MBR sewage treatment machine comprises an anaerobic tank, an MBR membrane tank and a disinfection tank which are sequentially connected in an integrated manner, wherein a sewage inlet is formed in a side wall, far away from the MBR membrane tank, of the anaerobic tank, elastic filler is arranged in the tank wall of the anaerobic tank, and two rows of anaerobic tank separating plates are vertically arranged in the anaerobic tank at intervals and are alternately fixed on a top cover and a bottom wall of the anaerobic tank; an aeration pipeline is arranged at the bottom of the MBR membrane tank, the aeration pipeline is connected with a blast blower, the bottom, far away from the anaerobic tank, of the MBR membrane tank is connected with a reflux pump, and the water outlet of the reflux pump is connected to the sewage inlet of the anaerobic tank; and the disinfection tank is connected with a disinfector, and two rows of disinfection tank separating plates are vertically arranged in the disinfection tank at intervals and are alternately fixed on a top cover and a bottom wall of the disinfection tank. The MBR sewage treatment machine disclosed by the invention has the advantages that sewage treatment effect is good, and service life of an MBR membrane can be prolonged.
Description
Technical field
The present invention relates to technical field of sewage treatment equipment, specifically, relate to a kind of MBR sewage treating machine.
Background technology
The Novel state Waste Water Treatment that film-bioreactor (MembraneBio-Reactor, MBR) is membrane separation technique and biologic treating technique combination.
Traditional MBR sewage treatment process is generally: former water-grid-equalizing tank-lift pump-bio-reactor-recycle pump-membrane module-sterilizing unit, in traditional this MBR sewage treatment process, sewage is not through anaerobic treatment, just arrive membrane module place, make to arrive foreign matter content in the sewage at membrane module place in Sewage treatment systems high, sewage viscosity is larger, easily cause the blocking of film, make membrane module number of backwashes more, affect whole system operational efficiency, and reduce the service efficiency of film.Therefore, the membrane module front in some MBR sewage treatment process is provided with anaerobic pond, to solve the problem.But also there is following defect in existing MBR Sewage treatment systems:
1. do not have independently sludge recirculation system between membrane module and anaerobic pond, thus can not turn out the mud with denitrification function, the degradation rate of hard-degraded substance is lower, and denitrification percent is low;
2. anaerobion growth and breeding is slow, and the denitrification generation cycle of sewage in anaerobic pond is longer, and the denitrification time is long, and device start, treatment time are long, and effluent quality does not reach emission standard, the further aerobic treatment of need.
3. in existing MBR Sewage treatment systems, membrane module is arranged in MBR pond, MBR pond and anaerobic pond all adopt the pond of civil engineering formation of structure, the pond floor space of civil engineering formation of structure is larger, construction period is longer, also must construct making land used, causing construction inconvenience, be not suitable for the less place of sewage load and use.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of good sewage processing effect and can improve the MBR sewage treating machine in the work-ing life of MBR film.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of MBR sewage treating machine, comprises anaerobic pond, MBR membrane cisterna and sterilization pool that integration is connected successively;
Described anaerobic pond is provided with sewage inlet away from the sidewall of described MBR membrane cisterna, the pool wall of described anaerobic pond is provided with elastic filler, in described anaerobic pond, interval is vertically provided with two row's anaerobic pond dividing plates, two row described anaerobic pond dividing plate interlock be fixed on described anaerobic pond top cover on and diapire on, the development length of described anaerobic pond dividing plate is less than the distance between the top cover of described anaerobic pond and diapire, and be greater than the half of the top cover of described anaerobic pond and the spacing of diapire, wherein, the bottom of anaerobic pond dividing plate fixing on the top cover of described anaerobic pond tilts to be connected with flow deflector;
The bottom of described MBR membrane cisterna is provided with aerated conduit, described aerated conduit is connected with gas blower, be positioned in described MBR membrane cisterna above described aerated conduit and be provided with MBR membrane module, be connected with reflux pump away from described anaerobic pond place bottom described MBR membrane cisterna, the water outlet of described reflux pump is connected to the sewage inlet of described anaerobic pond;
Described sterilization pool is connected with sterilizer, two row's sterilization pool dividing plates are vertically interval with in described sterilization pool, two row described sterilization pool dividing plate interlock be fixed on described sterilization pool top cover on and diapire on, the development length of described sterilization pool dividing plate is less than the distance between the top cover of described sterilization pool and diapire, and be greater than the half of the top cover of described sterilization pool and the spacing of diapire, wherein, the bottom of sterilization pool dividing plate fixing on the top cover of described sterilization pool tilts to be connected with flow deflector.
Preferably, described anaerobic pond, described MBR membrane cisterna and described sterilization pool are respectively anaerobic pond, MBR membrane cisterna, the sterilization pool of carbon steel material or glass-reinforced plastic material.
Preferably, described anaerobic pond and described MBR membrane cisterna are mutually permanently connected, and described MBR membrane cisterna and described sterilization pool are mutually permanently connected.
Owing to have employed technique scheme, the invention has the beneficial effects as follows:
MBR sewage treating machine of the present invention, is provided with anaerobic pond before MBR membrane cisterna, and is provided with reflux between MBR membrane cisterna and anaerobic pond, and in MBR membrane cisterna, under sufficient oxygen supply condition, the nitrification of autotrophic bacteria is by NH
3-N (NH
4) be oxidized to NO
3-, return anaerobic pond by backflow control, in anaerobic pond, the pollutent such as protein, fat is carried out ammonification (N in organic chain or the amino in amino acid) and to dissociate ammonia (NH by heterotrophic bacterium
3, NH
4+), to complete denitrogenation processing to sewage.The setting of reflux, accelerates the nitrification and denitrification speed of nitrogen in sewage, shortens the denitrification generation cycle in anaerobic pond, improves denitrifying speed in anaerobic pond.On the other hand, two row's anaerobic pond dividing plates that in anaerobic pond, interval is vertically arranged, sewage is made to be S shape in anaerobic pond internal recycle path, delay sewage flows into MBR membrane cisterna flowing time from anaerobic pond, increase flow-path-length, increase the contact area of the microorganism in anaerobic pond in sewage and elastic filler, make the denitrification better effects if of sewage in anaerobic pond, improve the sewage treating efficiency of whole sewage treating machine.The present invention is by arranging anaerobic pond, the structures such as two row's anaerobic pond dividing plates that are crisscross arranged are set in reflux and anaerobic pond between MBR membrane cisterna and anaerobic pond, first fast denitrogenation process is carried out to sewage, eliminate the impurity in sewage, reduce the viscosity of sewage, improve the water quality after sewage disposal, improve the sewage quality at MBR film place, thus decrease the number of times of MBR film back flushing, whole sewage treating machine is made to shorten the time of back flushing, thus improve the operational efficiency of whole sewage treating machine, effectively slow down the blocking of MBR film, extend the work-ing life of MBR film.
In the present invention, anaerobic pond, described MBR membrane cisterna and sterilization pool is respectively carbon steel material or glass-reinforced plastic material is made, wherein, anaerobic pond and MBR membrane cisterna are mutually permanently connected, and MBR membrane cisterna and sterilization pool are mutually permanently connected, and form an integrated entirety, be convenient to after device fabrication producer has manufactured in advance, be transported to field of employment again, need not construct on the spot in field of employment, be particularly useful for the little place of sewage load and use.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention;
In figure: 1, anaerobic pond; 11, top cover; 12, diapire; 13, sewage inlet; 2, elastic filler; 3, anaerobic pond dividing plate; 31, flow deflector; 4, MBR membrane cisterna; 5, gas blower; 6, aerated conduit; 7, MBR membrane module; 8, backwashing pump; 9, water pump is produced; 10, reflux pump; 100, sterilization pool; 101, sterilization pool dividing plate; 102, flow deflector; 103, sterilizer; 104, top cover; 105, diapire.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
With reference to Fig. 1, the MBR sewage treating machine of the present embodiment, comprises anaerobic pond 1, MBR membrane cisterna 4 and sterilization pool 100 that integration is connected successively.
Anaerobic pond 1 is provided with sewage inlet 13 away from the sidewall of MBR membrane cisterna 4, the pool wall of anaerobic pond 1 is provided with elastic filler 2, elastic filler 2 is several corrosion resistants screened in polyolefins and polymeric amide, heatproof, ageing-resistant fine quality, mixes and is formed with the auxiliary agent such as hydrophilic, absorption, heat resistanceheat resistant oxygen.Elastic filler 2 adopts nylon rope or reinforcing bar to be suspended on the pool wall of anaerobic pond.
In anaerobic pond 1, interval is vertically provided with two row's anaerobic pond dividing plates 3, on the staggered top cover 11 being fixed on anaerobic pond 1 of two row's anaerobic pond dividing plates 3 and on diapire 12, the development length of anaerobic pond dividing plate 3 is less than the distance between the top cover 11 of anaerobic pond 1 and diapire 12, and be greater than the half of the top cover 11 of anaerobic pond 1 and the spacing of diapire 12, wherein, the bottom of anaerobic pond dividing plate 3 fixing on the top cover 11 of anaerobic pond 1 tilts to be connected with flow deflector 31.
The bottom of MBR membrane cisterna 4 is provided with aerated conduit 6, aerated conduit 6 is connected with gas blower 5, be positioned in MBR membrane cisterna 4 above aerated conduit 6 and be provided with MBR membrane module 7, reflux pump 10 is connected with away from anaerobic pond 1 place bottom MBR membrane cisterna 4, sewage inlet 13, the MBR membrane module 7 that the water outlet of reflux pump 10 is connected to anaerobic pond 1 is connected with backwashing pump 8.
Be provided with between MBR membrane cisterna 4 and sterilization pool 100 and produce water pump 9, sewage enters MBR membrane cisterna 4 in anaerobic pond 1 after denitrification process, enters sterilization pool 100 after treatment and carry out disinfection in MBR membrane cisterna 4 under the effect of pumping of producing water pump 9.
Sterilization pool 100 is connected with sterilizer 103, two row's sterilization pool dividing plates 101 are vertically interval with in sterilization pool 100, on the staggered top cover 104 being fixed on sterilization pool 100 of two row's sterilization pool dividing plates 101 and on diapire 105, the development length of sterilization pool dividing plate 101 is less than the distance between the top cover 104 of sterilization pool 100 and diapire 105, and be greater than the half of the top cover 104 of sterilization pool 100 and the spacing of diapire 105, wherein, the bottom of sterilization pool dividing plate 101 fixing on the top cover 104 of sterilization pool 100 tilts to be connected with flow deflector 102.
Anaerobic pond 1, MBR membrane cisterna 4 and sterilization pool 100 are respectively anaerobic pond, MBR membrane cisterna, the sterilization pool of carbon steel material or glass-reinforced plastic material.
Anaerobic pond 1 and MBR membrane cisterna 4 are mutually permanently connected, and MBR membrane cisterna 4 and sterilization pool 100 are mutually permanently connected.
MBR sewage treating machine of the present invention, is provided with anaerobic pond 1 before MBR membrane cisterna 4, and is provided with reflux between MBR membrane cisterna 4 and anaerobic pond 1, and in MBR membrane cisterna 4, under sufficient oxygen supply condition, the nitrification of autotrophic bacteria is by NH
3-N (NH
4) be oxidized to NO
3-, return anaerobic pond 1 by backflow control, in anaerobic pond 1, the pollutent such as protein, fat is carried out ammonification (N in organic chain or the amino in amino acid) and to dissociate ammonia (NH by heterotrophic bacterium
3, NH
4+), to complete denitrogenation processing to sewage.The setting of reflux, accelerates the nitrification and denitrification speed of nitrogen in sewage, shortens the denitrification generation cycle in anaerobic pond 1, improves denitrifying speed in anaerobic pond 1.On the other hand, two row's anaerobic pond dividing plates 3 that in anaerobic pond 1, interval is vertically arranged, sewage is made to be S shape in anaerobic pond 1 internal recycle path, delay sewage flows into MBR membrane cisterna 4 flowing time from anaerobic pond 1, increase flow-path-length, increase the contact area of the microorganism in anaerobic pond 1 in sewage and elastic filler 2, make the denitrification better effects if of sewage in anaerobic pond 1, improve the sewage treating efficiency of whole sewage treating machine.The present invention is by arranging anaerobic pond 1, the structures such as two row's anaerobic pond dividing plates 3 that are crisscross arranged are set in reflux and anaerobic pond 1 between MBR membrane cisterna 4 and anaerobic pond 1, first fast denitrogenation process is carried out to sewage, eliminate the impurity in sewage, reduce the viscosity of sewage, improve the water quality after sewage disposal, improve the sewage quality at MBR film place, thus decrease the number of times of MBR film back flushing, whole sewage treating machine is made to shorten the time of back flushing, thus improve the operational efficiency of whole sewage treating machine, effectively slow down the blocking of MBR film, extend the work-ing life of MBR film.
In the present invention, anaerobic pond 1, MBR membrane cisterna 4 and sterilization pool 100 is respectively carbon steel material or glass-reinforced plastic material is made, wherein, anaerobic pond 1 and MBR membrane cisterna 4 are mutually permanently connected, and MBR membrane cisterna 4 and sterilization pool 100 are mutually permanently connected, and form an integrated entirety, be convenient to after device fabrication producer has manufactured in advance, be transported to field of employment again, need not construct on the spot in field of employment, be particularly useful for the little place of sewage load and use.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand, and the present invention is not restricted to the described embodiments, and without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1.MBR sewage treating machine, is characterized in that: comprise anaerobic pond, MBR membrane cisterna and sterilization pool that integration is connected successively;
Described anaerobic pond is provided with sewage inlet away from the sidewall of described MBR membrane cisterna, the pool wall of described anaerobic pond is provided with elastic filler, in described anaerobic pond, interval is vertically provided with two row's anaerobic pond dividing plates, two row described anaerobic pond dividing plate interlock be fixed on described anaerobic pond top cover on and diapire on, the development length of described anaerobic pond dividing plate is less than the distance between the top cover of described anaerobic pond and diapire, and be greater than the half of the top cover of described anaerobic pond and the spacing of diapire, wherein, the bottom of anaerobic pond dividing plate fixing on the top cover of described anaerobic pond tilts to be connected with flow deflector;
The bottom of described MBR membrane cisterna is provided with aerated conduit, described aerated conduit is connected with gas blower, be positioned in described MBR membrane cisterna above described aerated conduit and be provided with MBR membrane module, be connected with reflux pump away from described anaerobic pond place bottom described MBR membrane cisterna, the water outlet of described reflux pump is connected to the sewage inlet of described anaerobic pond;
Described sterilization pool is connected with sterilizer, two row's sterilization pool dividing plates are vertically interval with in described sterilization pool, two row described sterilization pool dividing plate interlock be fixed on described sterilization pool top cover on and diapire on, the development length of described sterilization pool dividing plate is less than the distance between the top cover of described sterilization pool and diapire, and be greater than the half of the top cover of described sterilization pool and the spacing of diapire, wherein, the bottom of sterilization pool dividing plate fixing on the top cover of described sterilization pool tilts to be connected with flow deflector.
2. MBR sewage treating machine as claimed in claim 1, is characterized in that: described anaerobic pond, described MBR membrane cisterna and described sterilization pool are respectively anaerobic pond, MBR membrane cisterna, the sterilization pool of carbon steel material or glass-reinforced plastic material.
3. MBR sewage treating machine as claimed in claim 2, is characterized in that: described anaerobic pond and described MBR membrane cisterna are mutually permanently connected, and described MBR membrane cisterna and described sterilization pool are mutually permanently connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510590688.8A CN105174623A (en) | 2015-09-16 | 2015-09-16 | MBR (membrane bioreactor) sewage treatment machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510590688.8A CN105174623A (en) | 2015-09-16 | 2015-09-16 | MBR (membrane bioreactor) sewage treatment machine |
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| CN105174623A true CN105174623A (en) | 2015-12-23 |
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| CN201510590688.8A Pending CN105174623A (en) | 2015-09-16 | 2015-09-16 | MBR (membrane bioreactor) sewage treatment machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105776547A (en) * | 2016-05-20 | 2016-07-20 | 湖南正源金山环境工程股份有限公司 | Integrated sewage treatment equipment |
| CN106007104A (en) * | 2016-07-29 | 2016-10-12 | 吉林市润成膜科技有限公司 | Mobile unpowered drinking water device and method for treating drinking water by using device |
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