CN104071943B - Fibre bundle filtration membrane biological reaction apparatus - Google Patents
Fibre bundle filtration membrane biological reaction apparatus Download PDFInfo
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- CN104071943B CN104071943B CN201310103878.3A CN201310103878A CN104071943B CN 104071943 B CN104071943 B CN 104071943B CN 201310103878 A CN201310103878 A CN 201310103878A CN 104071943 B CN104071943 B CN 104071943B
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- 239000000835 fiber Substances 0.000 title claims abstract description 98
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 56
- 238000001914 filtration Methods 0.000 title claims abstract description 22
- 239000012528 membrane Substances 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 238000009825 accumulation Methods 0.000 claims abstract description 25
- 238000005273 aeration Methods 0.000 claims abstract description 8
- 230000000844 anti-bacterial Effects 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 6
- 230000015556 catabolic process Effects 0.000 claims abstract description 5
- 230000004059 degradation Effects 0.000 claims abstract description 5
- 238000006731 degradation reaction Methods 0.000 claims abstract description 5
- 238000011010 flushing procedure Methods 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 5
- 238000011001 backwashing Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 239000003403 water pollutant Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 claims 9
- 239000006227 byproduct Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 9
- 230000000903 blocking Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001488 breeding Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Abstract
The invention discloses a kind of fibre bundle filtration membrane biological reaction apparatus, including biological reaction pool, this biological reaction pool includes water inlet, outlet, aeration opening, biological reaction pool has been covered with the antibacterial for degradation of organic substances, device also includes that, without constraint fiber bundle filter system, this nothing constraint fiber bundle filter system includes without constraint fiber bundle filter；The fibre bundle accumulation horizon that this nothing constraint fiber bundle filter includes in container, container in the lower porous plate of bottom, container, this fibre bundle accumulation horizon is made up of some free accumulation fibre bundle on this lower porous plate；The outlet of biological reaction pool connects this nothing constraint fiber bundle filter.Present configuration is simple, be readily cleaned, it is possible to decrease produce and maintenance cost.
Description
Technical field
The present invention relates to a kind of membrane bioreactor, particularly relate to a kind of fibre bundle utilizing free accumulation and enter
The membrane biological reaction apparatus that row filters.
Background technology
At sewage treatment area, the membrane bioreactor developed rapidly in recent years occupies very important
Status.It possesses high organic matter degradation ability, and not only sludge discharge is few, and effluent quality is fine, can
It is used directly as middle water, it is possible to be further utilized to prepare pure water.Existing membrane bioreactor is at it
Water outlet is designed with one group of higher filter of filtering accuracy, and one is to improve the water quality after process, also
It is to improve the density of flora in reactor, prevents reacting flora and run off with product water, reduce treatment effeciency.
Existing membrane bioreactor uses more filter have: hollow fiber membrane ultrafiltration device, and use
The filter of filter plate composition, the work principle of filter of these filters is all that traditional embrane method filters, and traditional film
Method filters and has the drawback that: structure is complicated, cost is high, dirt is cleaned relatively difficult after blocking up, fine for hollow
Dimension ultrafilter, its operating fracture of wire and the problem of cleaning are more, and this just shortens the service life of filter,
Add operation and the maintenance cost of membrane bioreactor.
Summary of the invention
In view of the foregoing, it is an object of the invention to provide a kind of fibre bundle filtration membrane biological reaction apparatus.
It, by using the fibre bundle of free accumulation to filter, not only can ensure effluent quality, and simple in construction,
It is readily cleaned and changes, and then production and maintenance cost can be reduced.
For achieving the above object, the present invention is by the following technical solutions:
A kind of fibre bundle filtration membrane biological reaction apparatus, including biological reaction pool, this biological reaction pool include into
The mouth of a river, outlet, aeration opening, be covered with the antibacterial for degradation of organic substances in biological reaction pool, its feature
Being, it also includes:
Without constraint fiber bundle filter system, this nothing constraint fiber bundle filter system includes without constraint fibre bundle
Filter；This nothing constraint fiber bundle filter includes in container, container in the lower porous plate of bottom, container
Fibre bundle accumulation horizon, this fibre bundle accumulation horizon is by some free accumulation fibre bundle structure on this lower porous plate
Become；
The outlet of described biological reaction pool connects this nothing constraint fiber bundle filter.
Further:
Described nothing constraint fiber bundle filter is built in described biological reaction pool, described without constraint fibre bundle mistake
Filter is provided with lower outlet, and this lower outlet keeps sealing to connect with the outlet of described biological reaction pool.
Described nothing constraint fiber bundle filter system also includes air water backwash import and the first automatic valve, this air water
Backwash import connects by this first automatic valve and described container are internal.
Described air water backwash import is connected with described lower outlet by described first automatic valve.
Described nothing constraint fiber bundle filter system also includes finished product water pump, and described lower outlet is by this finished product
Water pump connects with product water outlet.
Described nothing constraint fiber bundle filter system also includes the second automatic valve, and described lower outlet is by described
Finished product water pump and this second automatic valve connect with described product water outlet.
Described nothing constraint fiber bundle filter system also includes the 3rd automatic valve, and described lower outlet is by described
Finished product water pump and the 3rd automatic valve connect with flushing water recovery tube.
Described nothing constraint fiber bundle filter also includes being located at the upper barrier of described container internal upper part, upper porous
Plate, is located at the lower barrier of bottom in described container.
Described nothing constraint fiber bundle filter is placed on described biological reaction pool, described without constraint fibre bundle filtration
Device is provided with water inlet, and the outlet of described biological reaction pool keeps sealing to connect with water inlet on this.
Described fibre bundle has two kinds of versions, and the first is that the two ends of fibre bundle are broken into fast knot, fiber
Shu Changdu determines according to described volume of a container size and filtered water stream amount, and the second is that the fiber of pencil is compiled
Being made into the fabric of lamellar or bar shaped, its area and thickness determine according to described volume of a container size.
It is an advantage of the current invention that:
1, in the present invention, the fibre bundle without constraint fiber bundle filter use free accumulation of filtration enters
Row filters, and not only filtering accuracy is good, and without mechanical part anchoring fiber bundle, only needs natural packing to exist
On lower stop net and lower porous plate, simplify the structure of filter, reduce filter volume；
Without mechanically actuated when 2, carrying out backwash and regenerate, change and safeguard the extremely simple convenience of fibre bundle,
And regeneration is very thorough, does not results in the blocking of filter, thus can improve filter efficiency and the fortune thereof of filter
Reliability during row；
3, fibre bundle self has the longest life cycle, thus also can ensure device without frequent replacing
Properly functioning；
4, simple in construction, be readily cleaned, without frequently changing fibre bundle, and then reduce production and safeguard
Cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further detailed explanation.
Fig. 1 is the structural representation of the present invention.As it can be seen, the fibre bundle filtration membrane biological reaction of the present invention
Device includes biological reaction pool 1 and without constraint fiber bundle filter system.Wherein, biological reaction pool 1 includes
Water inlet 14, aeration opening 15 and outlet, be covered with the antibacterial for degradation of organic substances in biological reaction pool.
The nothing about bundle fiber being connected to biological reaction pool water outlet is included without constraint fiber bundle filter system
Beam filter device 2, this nothing constraint fiber bundle filter 2 include the lower barrier of bottom in container 3, container 3,
By the fibre bundle accumulation horizon 4 of some fibre bundle free accumulation on lower porous plate 5 and lower porous plate 5,
Container 3 is provided with lower outlet 6.
Air water backwash import 7 and the first automatic valve 8, this air water is also included without constraint fiber bundle filter system
Backwash import 7 is connected with lower outlet 6 by this first automatic valve 8.
Finished product water pump the 9, second automatic valve 10 and the 3rd automatic valve is also included without constraint fiber bundle filter system
11, lower outlet 6 is connected with product water outlet 12 by finished product water pump 9 and the second automatic valve 10；Under
Outlet 6 is connected with flushing water recovery tube 13 by finished product water pump 9 and the 3rd automatic valve 11.
The work process of the fibre bundle filtration membrane biological reaction apparatus of the present invention is:
Pending sewage is entered biological reaction pool 1 by water inlet 14, and the air of outside press-in is via aeration opening
15 enter biological reaction pools 1, to maintain the normal breeding of antibacterial in biological reaction pool 1 and Organic substance in water
Degraded；Now the first automatic valve 8 is closed, and finished product water pump 9 operates, and the second automatic valve 10 is opened, under go out
Presenting negative pressure at the mouth of a river 6, the water in biological reaction pool 1 retrains the filtration of fiber bundle filter 2 through nothing,
Discharge from product water outlet 12 after becoming clear water；
Along with water pollutant is in the gradually accumulation on fibre bundle accumulation horizon 4 surface, at product water outlet 12
The water yield is gradually reduced, and when dropping to certain value, fibre bundle filtration membrane biological reaction apparatus proceeds to recoil automatically
Wash state.Under this state, finished product water pump 9 shuts down, and the second automatic valve 10 and the 3rd automatic valve 11 close
Closing, and the first automatic valve 8 is opened, compressed air and backwashing water enter container 3 via air water backwash mouth 7
Bottom, and upwardly fibre bundle accumulation horizon 4 so that be separated from each other between each fibre bundle, and upwards rise
Rising, stir, collide, dirt comes off from fibre bundle surface immediately；Meanwhile, aeration opening 15 enter
Compressed air still continue, the water of container 3 periphery still in flowing and seethe state, therefore, from fiber
The dirt major part come off on bundle all flow back into the water body of biological reaction pool 1 along with the backwashing water moved upward
In；
In the final stage of backwash, in order to avoid dirt leaks into product water outlet, dirty in container 3 must be accelerated
The mass rate of emission of thing, so that container internal cleaning is clean, this is accomplished by after backwash has carried out a period of time,
By the water containing dirt of outflow at lower outlet 6 in flushing water recovery tube 13 is transmitted back to biological reaction pool 1.
Now, as long as the first automatic valve 8 and the second automatic valve 10 being closed, open finished product water pump 9 and simultaneously
Three automatic valves 11, so, under the swabbing action of finished product water pump 9, containing dirt in container 3
Flushing water can quickly discharge and return in biological reaction pool 1 via flushing water recovery tube 13；
After backwash terminates, being purified for filtering the fibre bundle of dirt, device comes back to filter dirt
The normal operating conditions of water, without causing the blocking of filter, and can maintain antibacterial foot in biological reaction pool
Enough density and normally breeding, to ensure the degraded of Organic substance in water.
It addition, in backwash process, for preventing the loss of fibre bundle, can arrange in container 3 internal upper part
Barrier and upper porous plate 16, to stop that fibre bundle seethes in biological reaction pool 1；When fiber changed by needs
During bundle accumulation horizon 4, as long as upper barrier and upper porous plate 16 are unloaded, the fibre bundle of free accumulation is taken
Go out to be replaced, operate extremely simple.Separately longer in view of the life cycle of fibre bundle, thus without frequency
Numerous replacing also can ensure the properly functioning of device and not blockage phenomenon.The fibre bundle used has two kinds
Version, the first is that the two ends of fibre bundle are broken into fast knot, and fibre bundle length is according to the volume of container 3
Size and filtered water stream amount determine, the second is the fibrage slabbing pencil or the fabric of bar shaped, its
Area and thickness determine according to the volume size of container 3.
According to the actual needs, the inside of biological reaction pool 1 can be arranged at without constraint fiber bundle filter 2,
May also set up in the outside of biological reaction pool 1, as long as being connected to the water outlet of biological reaction pool 1, can be right
Water after degraded carries out filtering.Specifically, if be built in biological anti-without constraint fiber bundle filter 2
Answer in pond 1, then need to ensure that lower outlet 6 seals with the outlet of biological reaction pool 1 and connect；If without constraint
Fiber bundle filter 2 is placed on biological reaction pool 1, is provided with water inlet on without constraint fiber bundle filter 2,
On this, water inlet seals with the outlet of biological reaction pool 1 and connects.
The fibre bundle filtration membrane biological reaction apparatus of the present invention, is the water outlet connection one in biological reaction pool
Without constraint fiber bundle filter, this nothing constraint fiber bundle filter is equiped with by some fibre bundle free accumulation
Fibre bundle accumulation horizon, filtered by this fibre bundle accumulation horizon, not only can reach good filtration
Effect, and without mechanically actuated when cleaning, replacing, extremely simple.Present configuration is simple, be readily cleaned,
Fibre bundle for filtering uses the cycle long, thus can reduce production and maintenance cost.
The above is presently preferred embodiments of the present invention and the know-why used thereof, for the skill of this area
For art personnel, without departing from the spirit and scope of the present invention, any based on the technology of the present invention side
Equivalent transformation on the basis of case, simple replacement etc. obviously change, belong to scope it
In.
Claims (2)
1. the sewage treatment process of a fibre bundle filtration membrane biological reaction apparatus, it is characterised in that described reaction unit forms by biological reaction pool with without constraint fiber bundle filter system,
This biological reaction pool includes water inlet, outlet, aeration opening, has been covered with the antibacterial for degradation of organic substances in biological reaction pool,
This nothing constraint fiber bundle filter system is formed by without constraint fiber bundle filter, the first automatic valve, the second automatic valve, the 3rd automatic valve, finished product water pump, flushing water recovery tube, air water backwash import, product water outlet,
This nothing constraint fiber bundle filter is built in biological reaction pool, this nothing constraint fiber bundle filter includes the lower porous plate of bottom, upper barrier and the fibre bundle accumulation horizon in the lower barrier of bottom, container in upper porous plate, container of container internal upper part in container, container, this fibre bundle accumulation horizon is made up of some free accumulation fibre bundle on this lower porous plate, this nothing constraint fiber bundle filter is provided with lower outlet, and this lower outlet seals with the outlet of biological reaction pool and connects；
This lower outlet is through the first automatic valve and air water backwash inlet communication, and this lower outlet connects with product water outlet through finished product water pump, the second automatic valve, and this lower outlet connects with flushing water recovery tube through finished product water pump, the 3rd automatic valve；
Sewage is entered biological reaction pool by water inlet, compressed air enters biological reaction pool through aeration opening, first automatic valve is closed, finished product pump operation, second automatic valve is opened, presenting negative pressure at lower outlet, the water in biological reaction pool is through filtering without constraint fiber bundle filter, and the clear water after filtration is discharged by product water outlet；Along with water pollutant is in the gradually accumulation on fibre bundle accumulation horizon surface, the water yield at product water outlet is gradually reduced, when dropping to certain value, device proceeds to backwash state, finished product water pump shuts down, second automatic valve and the 3rd automatic valve are closed, first automatic valve is opened, compressed air and backwashing water enter the bottom of container through air water backwash mouth, upwardly fibre bundle accumulation horizon, is rinsed fibre bundle, simultaneously, compressed air enters biological reaction pool through aeration opening, and the dirt that fibre bundle comes off flow back in the water body of biological reaction pool with backwashing water；After backwash certain time, the first automatic valve and the second automatic valve are closed, and finished product water pump and the 3rd automatic valve are opened, and in container, the flushing water containing dirt returns in biological reaction pool through flushing water recovery tube.
2. the sewage treatment process of fibre bundle filtration membrane biological reaction apparatus as claimed in claim 1, it is characterized in that: described fibre bundle has two kinds of versions, the first is that the two ends of fibre bundle are broken into fast knot, fibre bundle length determines according to described volume of a container size and filtered water stream amount, the second is that the fibrage slabbing pencil or the fabric of bar shaped, its area and thickness determine according to described volume of a container size.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310103878.3A CN104071943B (en) | 2013-03-28 | 2013-03-28 | Fibre bundle filtration membrane biological reaction apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310103878.3A CN104071943B (en) | 2013-03-28 | 2013-03-28 | Fibre bundle filtration membrane biological reaction apparatus |
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| Publication Number | Publication Date |
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| CN104071943A CN104071943A (en) | 2014-10-01 |
| CN104071943B true CN104071943B (en) | 2016-09-14 |
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| CN201310103878.3A Active CN104071943B (en) | 2013-03-28 | 2013-03-28 | Fibre bundle filtration membrane biological reaction apparatus |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1363526A (en) * | 2001-12-14 | 2002-08-14 | 清华大学 | Process and equipment for filtering liquid mixture of bioreactor by dynamic membrane |
| CN101074141A (en) * | 2007-06-20 | 2007-11-21 | 大连春兴水处理科技发展有限公司 | Process for regenerating, recovering and reutilizing low-concentration organic waste water |
| CN102050548A (en) * | 2009-10-29 | 2011-05-11 | 中国石油化工股份有限公司 | Treatment and reuse method of waste water in methanol-to-olefin process |
| CN102674539A (en) * | 2012-05-09 | 2012-09-19 | 浙江清华长三角研究院 | Nitrified sludge efficient enriching culture system based on membrane bioreactor and method |
| CN202666490U (en) * | 2012-07-09 | 2013-01-16 | 沈英立 | Unconstrained fiber bundle filter |
| CN203247171U (en) * | 2013-03-28 | 2013-10-23 | 沈英立 | Biological reaction device adopting fiber bundle filter membrane |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535405Y (en) * | 2002-04-22 | 2003-02-12 | 姚志明 | Integrated sewage treatment apparatus by biological membrane method |
| CN103408127B (en) * | 2008-05-20 | 2016-06-01 | 北京汉青天朗水处理科技有限公司 | A kind of waste disposal plant |
| CN101704617A (en) * | 2009-12-08 | 2010-05-12 | 大连善水德水务工程有限责任公司 | Equipment for reclaiming and processing petrified enterprise sewage and process technology thereof |
-
2013
- 2013-03-28 CN CN201310103878.3A patent/CN104071943B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1363526A (en) * | 2001-12-14 | 2002-08-14 | 清华大学 | Process and equipment for filtering liquid mixture of bioreactor by dynamic membrane |
| CN101074141A (en) * | 2007-06-20 | 2007-11-21 | 大连春兴水处理科技发展有限公司 | Process for regenerating, recovering and reutilizing low-concentration organic waste water |
| CN102050548A (en) * | 2009-10-29 | 2011-05-11 | 中国石油化工股份有限公司 | Treatment and reuse method of waste water in methanol-to-olefin process |
| CN102674539A (en) * | 2012-05-09 | 2012-09-19 | 浙江清华长三角研究院 | Nitrified sludge efficient enriching culture system based on membrane bioreactor and method |
| CN202666490U (en) * | 2012-07-09 | 2013-01-16 | 沈英立 | Unconstrained fiber bundle filter |
| CN203247171U (en) * | 2013-03-28 | 2013-10-23 | 沈英立 | Biological reaction device adopting fiber bundle filter membrane |
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| CN104071943A (en) | 2014-10-01 |
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