CN205740643U - A kind of external cross-flow ultrafiltration membrane system - Google Patents
A kind of external cross-flow ultrafiltration membrane system Download PDFInfo
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- CN205740643U CN205740643U CN201620039830.XU CN201620039830U CN205740643U CN 205740643 U CN205740643 U CN 205740643U CN 201620039830 U CN201620039830 U CN 201620039830U CN 205740643 U CN205740643 U CN 205740643U
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Abstract
This utility model provides a kind of external cross-flow ultrafiltration membrane system.External cross-flow ultrafiltration membrane system of the present utility model, including anaerobic pond, kieselguhr throwing device and tubular membrane component, the intrinsic pressure tubular ultra-filtration membrane of some potteries it is provided with in described tubular membrane component, the water inlet of the outlet of described anaerobic pond tubular ultra-filtration membrane intrinsic pressure with described pottery is connected, and the water inlet of the outlet tubular ultra-filtration membrane intrinsic pressure with described pottery of described kieselguhr throwing device is connected.Compared with prior art, external cross-flow ultrafiltration membrane system of the present utility model is operationally, owing to adding a certain amount of kieselguhr in mixed liquor, the washing away of the inwall to ceramic intrinsic pressure tubular ultra-filtration membrane, cleaning action can be strengthened, be effectively reduced impurity and deposit at the inwall of ceramic intrinsic pressure tubular ultra-filtration membrane and pollute, steady seepage flux, the flow velocity of cross-flow can be reduced simultaneously, saving energy consumption, and extend the filter cycle of ceramic intrinsic pressure tubular ultra-filtration membrane, reduce Chemical cleaning frequency.
Description
Technical field
This utility model relates to field of waste water treatment, particularly relates to a kind of external cross-flow ultrafiltration membrane system.
Background technology
Anaerobe reaction is the common process in sewage disposal, it has, and floor space is little, technique is simple, operation energy consumption is low,
The biogas produced in the advantages, and anaerobic processes such as sludge yield is low, the organic pollution materials of some difficult degradations of degradable can conduct
Energy recycling, is a kind for the treatment of technology having environment and the multiple advantage of economic benefit concurrently, therefore, is widely used in waste water
The waste water of process field, especially higher concentration organic pollution processes.
External anaerobic membrane bioreactor is the one in current anaerobic membrane bioreactor.Specifically anaerobic treatment water outlet is drawn
Outside reaction tank, by high speed cross flow filter in inner pressed entrance membrane tube, leach clear water and ooze out membrane tube, activated sludge and concentrated solution
Stay in membrane tube, be then refluxed in reaction tank.The advantage of this technology is that processing flux is higher, facility compact.But, exist
Following defect:
During cleaning membrane tube, needing current continual rinsing a period of time at a high speed, energy consumption is big, and, can only wash
Impurity big on tube wall, and cannot be cleaned out at the impurity that fenestra is medium and small, of long duration, fenestra can be blocked, thus affect film
The filter effect of pipe and filter efficiency, even affect the service life of membrane tube.
Utility model content
This utility model provides a kind of external cross-flow ultrafiltration membrane system, to solve external anaerobic membrane biosystem of the prior art
Reactor, during cleaning membrane tube, needs current continual rinsing a period of time at a high speed, and energy consumption is big, and, can only clean
Fall impurity big on tube wall, and the little impurity in fenestra cannot be cleaned out, of long duration, can block fenestra, thus shadow
Ring filter effect and the filter efficiency of membrane tube, even affect the technical matters in the service life of membrane tube.
The purpose of this utility model is achieved through the following technical solutions:
A kind of tubular ultra-filtration membrane, it is characterised in that include anaerobic pond, kieselguhr throwing device and tubular membrane component, described tubular type
The intrinsic pressure tubular ultra-filtration membrane of some potteries, the outlet of described anaerobic pond and the intrinsic pressure tubular ultra-filtration membrane of described pottery it is provided with in membrane module
Water inlet connects, and the water inlet of the outlet tubular ultra-filtration membrane intrinsic pressure with described pottery of described kieselguhr throwing device is connected.
Also include that backwashing pump, described backwashing pump are connected with described tubular membrane component.
Inhalant region, packing area, exhalant region and collecting methane district it is followed successively by from down to up, at the sidewall of inhalant region in described anaerobic pond
Being provided with water inlet, be provided with the water-locator with sludge agitation function in described inhalant region, described outlet is located at the side of exhalant region
On wall, described collecting methane district is provided with air vent.
Described system also includes feedway, Chemical cleaning water tank, produces water tank and biochemical reactor, backwashing pump and tubular membrane
Assembly is arranged between product water tank and biochemical reactor.
Described Chemical cleaning water tank connects biochemical reactor by pipeline, and described product water tank is connected with tubular membrane component pipeline.
Compared with prior art, this utility model at least has the advantage that
External cross-flow ultrafiltration membrane system of the present utility model operationally, owing to adding a certain amount of kieselguhr in mixed liquor, can
Strengthen the washing away of the inwall of ceramic intrinsic pressure tubular ultra-filtration membrane, cleaning action, be effectively reduced impurity pressure-pipe type ultrafiltration in pottery
The inwall deposition of film and pollution, steady seepage flux, can reduce the flow velocity of cross-flow simultaneously, save energy consumption, and it is intrinsic pressure to extend pottery
The filter cycle of tubular ultra-filtration membrane, reduce Chemical cleaning frequency.Additionally, the filtration effect of ceramic intrinsic pressure tubular ultra-filtration membrane also can be improved
Fruit and filter efficiency, thus extend the service life of ceramic intrinsic pressure tubular ultra-filtration membrane.
Accompanying drawing explanation
Fig. 1 is the structural representation of external cross-flow ultrafiltration membrane system of the present utility model；
Fig. 2 is the structural representation of the another kind of external cross-flow ultrafiltration membrane system in this utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model, the technical scheme in this utility model is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present utility model rather than whole embodiments.Based on this reality
By the embodiment in novel, the every other reality that those of ordinary skill in the art are obtained under not making creative work premise
Execute example, broadly fall into the scope of this utility model protection.
As shown in Figure 1-2, for this utility model embodiment propose a kind of external cross-flow ultrafiltration membrane system, including anaerobic pond 1,
Kieselguhr throwing device 2 and tubular membrane component 8, be provided with the intrinsic pressure tubular ultra-filtration membrane of some potteries 4, anaerobic pond in tubular membrane component 8
The water inlet of the outlet of 1 tubular ultra-filtration membrane intrinsic pressure with pottery 4 is connected, and the outlet of kieselguhr throwing device 2 is intrinsic pressure with pottery
The water inlet of tubular ultra-filtration membrane 4 connects.Wherein, be followed successively by from down to up in anaerobic pond 1 inhalant region, packing area, exhalant region and
Collecting methane district, is provided with water inlet on the sidewall of inhalant region, is provided with the water-locator with sludge agitation function, goes out in inhalant region
The mouth of a river is located on the sidewall of exhalant region, and collecting methane district is provided with air vent.
Kieselguhr throwing device 2, for being joined by kieselguhr in the waste water before ceramic intrinsic pressure tubular ultra-filtration membrane filters, makes in waste water
Diatomaceous content is 5g/L-20g/L, preferably 10g/L.
External cross-flow ultrafiltration membrane system of the present utility model also includes backwashing pump 3, for entering ceramic intrinsic pressure tubular ultra-filtration membrane
Row backwash, backwashing pump 3 is connected with tubular membrane component 8.
Preferably, native system also includes feedway (not shown), Chemical cleaning water tank 5, produces water tank 6 and biochemical reaction
Device 7, backwashing pump 3 and tubular membrane component 8 are arranged between product water tank and biochemical reactor.
Preferably, Chemical cleaning water tank 5 connects biochemical reactor 7, described product water tank 6 and tubular membrane component 8 by pipeline
Pipeline connects.
Process for purifying waste water to external cross-flow ultrafiltration membrane system of the present utility model below in conjunction with the accompanying drawings, detailed step is as follows:
(1), in pending waste water enters anaerobic pond 1, contacted with mud by the water-locator of inhalant region, then slow transit through filler
District, is adsorbed by anaerobic sludge at packing area waste water and degrades, and produces biogas, and afterwards, waste water enters exhalant region, the biogas of generation
Enter collecting methane district, the biogas in collecting methane district from air vent derive after through admission line is collected into biogas air collector；
(2) waste water in exhalant region enters ceramic intrinsic pressure tubular ultra-filtration membrane 4 after fine fack filters, and meanwhile, kieselguhr adds dress
Putting the kieselguhr in 2 also into ceramic intrinsic pressure tubular ultra-filtration membrane, making diatomaceous content in the waste water before filtration is 5g/L-20g/L,
It is preferably 10g/L；
(3) under pressure differential effect, clear water is exported to exosmosis through ceramic intrinsic pressure tubular ultra-filtration membrane, is collected in clear water reserviors,
The concentration mixed liquor stayed in ceramic intrinsic pressure tubular ultra-filtration membrane is back to anaerobic pond by cross-flow band；
(4) after ceramic intrinsic pressure tubular ultra-filtration membrane often runs 20-60 minute (preferably 30 minutes), the clear water in clear water reserviors
(or tap water) carries out the backwash of 30-60s in backwashing pump 3 introduces tubular membrane group to ceramic intrinsic pressure tubular ultra-filtration membrane；Clearly
Clear water in pond also can be to subsequent treatment process feedwater.
Below in conjunction with the accompanying drawings the operation principle of native system is described as follows:
At normal temperatures with certain pressure and flow, utilize asymmetric microcellular structure and semipermeable membrane medium, rely on the pressure differential of film both sides
As motive force, filter with cross-current flow, make solvent and small-molecule substance pass through, macromolecular substances and micropartical such as albumen
Matter, water soluble polymer, antibacterial etc. by filter membrane detention, thus reach separation, classification, purification, concentration purpose one novel
Membrane separation technique.It is relatively big that stock solution runner retains area, is not easily blocked；The cleaning of face is easier, and chemically cleans or cleans.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not limited to
This, any those familiar with the art in the technical scope that this utility model discloses, the change that can readily occur in or
Replace, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be wanted with right
The protection domain seeking book is as the criterion.
Claims (3)
1. an external cross-flow ultrafiltration membrane system, it is characterized in that, including anaerobic pond, kieselguhr throwing device and tubular membrane component, the intrinsic pressure tubular ultra-filtration membrane of some potteries it is provided with in described tubular membrane component, the water inlet of the outlet of described anaerobic pond tubular ultra-filtration membrane intrinsic pressure with described pottery is connected, and the water inlet of the outlet tubular ultra-filtration membrane intrinsic pressure with described pottery of described kieselguhr throwing device is connected；
Wherein, this system also includes feedway, Chemical cleaning water tank, produces water tank and biochemical reactor, backwashing pump and tubular membrane component are arranged between product water tank and biochemical reactor, described Chemical cleaning water tank connects biochemical reactor by pipeline, and described product water tank is connected with tubular membrane component pipeline.
2. a kind of external cross-flow ultrafiltration membrane system as claimed in claim 1, it is characterised in that also include that backwashing pump, described backwashing pump are connected with described tubular membrane component.
3. a kind of external cross-flow ultrafiltration membrane system as claimed in claim 1, it is characterized in that, inhalant region, packing area, exhalant region and collecting methane district it is followed successively by from down to up in described anaerobic pond, the sidewall of inhalant region is provided with water inlet, the water-locator with sludge agitation function it is provided with in described inhalant region, described outlet is located on the sidewall of exhalant region, and described collecting methane district is provided with air vent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620039830.XU CN205740643U (en) | 2016-01-15 | 2016-01-15 | A kind of external cross-flow ultrafiltration membrane system |
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| CN201620039830.XU CN205740643U (en) | 2016-01-15 | 2016-01-15 | A kind of external cross-flow ultrafiltration membrane system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855005A (en) * | 2017-11-20 | 2018-03-30 | 宜宾丝丽雅股份有限公司 | A kind of NF membrane process system of spent lye depth recovery |
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2016
- 2016-01-15 CN CN201620039830.XU patent/CN205740643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855005A (en) * | 2017-11-20 | 2018-03-30 | 宜宾丝丽雅股份有限公司 | A kind of NF membrane process system of spent lye depth recovery |
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