CN1116097C - Superfilter membrane type separator - Google Patents
Superfilter membrane type separator Download PDFInfo
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- CN1116097C CN1116097C CN99111513A CN99111513A CN1116097C CN 1116097 C CN1116097 C CN 1116097C CN 99111513 A CN99111513 A CN 99111513A CN 99111513 A CN99111513 A CN 99111513A CN 1116097 C CN1116097 C CN 1116097C
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- membrane
- type separator
- membrane type
- superfilter
- water
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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
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Abstract
The present invention belongs to the technical field of a membrane bioreactor, which particularly relates to a penetrating flow type membrane separator. Both end of a cylindrical casing are respectively provided with flanges with holes in the middles, a sealing rubber pad is arranged between the flanges, a sealing cover with a nozzle and a sealing cover with a water nozzle and an air nozzle are respectively connected with both ends of the penetrating flow type membrane separator through the flanges, a sealing rubber pad is arranged between the sealing covers, a membrane module integrating unit composed of membrane blocks with membrane threads is arranged in the present invention, and the membrane blocks are in staggered arrangement in the directions of the membrane threads. The present invention has the advantages of easy installation, convenient maintenance, maintaining of stable water permeating rate and reduction of water producing energy consumption of units.
Description
The invention belongs to field of membrane bioreactor technology, particularly Superfilter membrane type separator.
A kind of known membrane bioreactor is the cross-current type membrane bioreactor, and it comprises bio-reactor and cross-current type membrane separation apparatus.Biodegradable material is degraded in bio-reactor in the waste water.Waste water enters the cross-current type membrane separation apparatus through recycle pump in the bio-reactor, circulation fluid liquid flow path direction is parallel with the film silk direction in the membrane separation apparatus, current behind membrane filtration (seeing through liquid) see through film, vertical on direction with circulating water flow, the pressure reduction of outside is pressed onto the film silk outside with circulation fluid in the film silk from film silk inboard, suspended substance held back in the circulation fluid by the cross-current type membrane separation apparatus and than macromolecule contaminant, waste water has obtained purification.
Use the membrane bioreactor of cross-flow membrane module, because relatively independent bio-reactor and film unit connects and composes by pump and pipeline, various bio-reactors all can constitute a kind of separate type membrane bioreactor with suitable film unit, in order to prevent the suspended substance polluted membrane silk in the circulation fluid, keep stable permeability rate, as Fan Yaobo etc. at " ACTA Scientiae Circumstantiae " 1997,17 (1): 68-74 is last pointed, the cross-current type membrane bioreactor needs high circulation velocity and big circulating water flow, could guarantee higher permeability rate, therefore not only need powerful pump equipment, also cause higher unit to produce water consumption, limited the application of membrane bioreactor aspect wastewater treatment.
The object of the present invention is to provide a kind of Superfilter membrane type separator, membrane bioreactor is cut down the consumption of energy when water treatment, widen the Application Areas of membrane bioreactor aspect wastewater treatment.
Superfilter membrane type separator of the present invention comprises tubular shell and capping, it is characterized in that: at the two ends of tubular shell 1, the flange 2, that has hole in the middle of being separately installed with has the capping 5 of mouth 4, be connected by the flange 2 of flange, seal gasket 3 is arranged therebetween with Superfilter membrane type separator 13 1 ends; One has the capping 5 of water nozzle 6 and valve 7, is connected by the flange 2 of flange with Superfilter membrane type separator 13 the other ends, and seal gasket 3 is arranged therebetween; In the inside of Superfilter membrane type separator 13, the membrane module integrated unit 9 by being made up of film piece 8 has water nozzle 10 on the wall of Superfilter membrane type separator 13.
Have through hole 11 on the corresponding sidewall of the framework of described film piece 8, be filled with film silk 12 for 11 li at through hole.
The film piece 8 that described membrane module integrated unit is 9 li, according to the direction of film silk, block-by-block adopts crisscross heap mode, or the film piece according to the film silk all by equidirectional heap.
Described Superfilter membrane type separator 13 tubular shells 1 are round shape; Described capping 5 is semicircle; Described film piece 8 is a square; Described film silk 12 is hollow fiber ultrafiltration membrane or microfiltration membrane.
The film silk of Superfilter membrane type separator of the present invention is not parallel with the circulating water flow direction, but vertical with the circulating water flow direction; The adhesive method of this film silk makes membrane module not need higher feed liquor speed and increases the high powered water pump of turbulence intensity, and itself just can the turbulization effect; Adopt the method for bubbling to strengthen turbulent flow simultaneously, prevent suspended substance and colloid pollution thing polluted membrane silk in the circulation fluid, keep stable permeability rate, cut down the consumption of energy.
The principle of work of Superfilter membrane type separator is: because the film silk adopts crisscross arrangement mode, circulating fluid produces flow turbulence when the film silk; Fill the bubble that air produces by aeration head, constantly the tunicle silk cuts into small bubbles in the process that rises, and has strengthened the turbulent fluctuation of current; The film silk is in the effect lower swing and the vibration of rising mixed solution, and the pollutent that will be adsorbed on film silk surface that rubs each other washes away, and prevents that the film silk is contaminated.Clarified water pump forms pressure reduction on film silk surface, the circulation fluid negative pressure-pumping is produced purify waste water.
Simple, easily scale operation that membrane module of the present invention is made; The Superfilter membrane type separator device is installed easily and is easy to maintenance.When utilizing Superfilter membrane type separator to handle waste water, energy consumption can be reduced to the 1/3-1/5 of present use cross-current type membrane separation apparatus; The treatment system, the treatment system of woollen mill's waste water, the small scall scale city Sewage treatment systems that can be used for zymamsis Waste Water Treatment, wastewater of starch factory treatment system, grease and protein factory Waste Water Treatment, petrochemical wastewater by its flow through type membrane biological reactor of forming.
Below in conjunction with drawings and Examples technical scheme of the present invention is further described.
Fig. 1. adopt Superfilter membrane type separator water treatment technological process figure of the present invention;
Fig. 2. the vertical profile synoptic diagram of Superfilter membrane type separator of the present invention.
1. tubular shell 2. flanges 3. seal gaskets 4. mouths 5. cappings 6. water nozzles
7. valve 8. film pieces 9. membrane module integrated units 10. water nozzles 11. through holes
12. film silk 13. Superfilter membrane type separators
Please refer to Fig. 1 and Fig. 2, comprise equalizing tank, bio-reactor, prefilter, flow through type membrane assembly and water pump, water circulating pump, air pump and corresponding pipeline.Waste water to woollen mill is handled, and COD is 100-450mg/L.At first grid tentatively filters the waste water of the frame trough of flowing through, and holds back larger-size suspended substance in the waste water, and waste water enters equalizing tank then, and equalizing tank is regulated the water yield and the water quality of waste water, reduces the water yield and the variation water quality amplitude of waste water.Waste water in the equalizing tank is pumped in the bio-reactor, air pump is given in the bio-reactor by the aeration head that is connected with aeration tube and is filled air simultaneously, biodegradable material in the waste water passes through complicated biochemical reaction by activated sludge absorption, degraded in bio-reactor.After the suspension process prefilter pre-filtering in the bio-reactor, by water circulating pump with low circulation velocity and low circulating water flow, it is 24 centimetres that water nozzle from the semicircle capping of Superfilter membrane type separator pumps into interior diameter, height is in 10 centimetres the round shape synthetic glass Superfilter membrane type separator, its upper and lower opening passes through bolt seal by band foraminous flange and rubber pad respectively, the aeration head of while air pump by being connected with aeration tube, valve in the semicircle capping of flow-through type membrane separation apparatus is given in the Superfilter membrane type separator and is filled air, strengthen turbulent flow, prevent suspended substance and colloid pollution thing polluted membrane silk in the circulation fluid, keep stable permeability rate, cut down the consumption of energy, make the water that has suspended substance and macromolecule contaminant, the film silk surface of membrane module integrated unit in the flow-through type membrane separation apparatus, after allowing the film silk further hold back suspended substance macromolecule contaminant in the circulation fluid, be back in the bio-reactor by the mouth in the semicircle capping of Superfilter membrane type separator, proceed biochemical reaction.Its membrane module integrated unit is made up of 5 square membranelle pieces, each membranelle block frame length of side is 17 centimetres, height is 1.8 centimetres, and the corresponding sidewall of one is the synthetic glass plate washer, and having wide on another sidewall is 1 centimetre, length is 15 centimetres through hole, hollow fiber ultrafiltration membrane (film silk) is filled in the through hole, makes the lateral bond of film silk on organic glass frame by sizing agent, makes it to be bonded to one, constitute a film piece, 5 film pieces are formed a membrane module integrated unit.5 film pieces in the membrane module integrated unit, crisscross being placed in the cylinder shape synthetic glass shell that has ring flange separated with rubber pad between them, by flange compacting, sealing membrane assembly integrated unit.Water purification then by in the film silk hole through the clarified water pump negative pressure-pumping, flow out by the water nozzle on the Superfilter membrane type separator wall, COD is less than 50mg/L in its water outlet, clearance is greater than 80%, energy consumption can be reduced to 1/3 of present use cross-current type membrane separation apparatus.
Please refer to Fig. 1 and Fig. 2, employing is with the identical Apparatus and method for of embodiment 1, sanitary wastewater is handled, its waste water BOD is 20-70mg/L, water purification then by in the film silk hole through the clarified water pump negative pressure-pumping, flow out by the water nozzle on the Superfilter membrane type separator wall, BOD is less than 1mg/L in its water outlet, clearance is greater than 95%, and energy consumption can be reduced to 1/5 of present use cross-current type membrane separation apparatus.
Claims (6)
1. a Superfilter membrane type separator comprises tubular shell and capping, it is characterized in that: the two ends in tubular shell (1) are separately installed with the middle flange (2) that has hole; One has the capping (5) of mouth (4), is connected with the flange (2) of Superfilter membrane type separator (13) one ends by flange, and seal gasket (3) is arranged therebetween; One has the capping (5) of water nozzle (6) and valve (7), is connected by the flange (2) of flange with Superfilter membrane type separator (13) the other end, and seal gasket (3) is arranged therebetween; There is the membrane module integrated unit of being made up of film piece (8) (9) the inside in Superfilter membrane type separator (13), and water nozzle (10) is arranged on the wall of Superfilter membrane type separator (13);
Through hole (11) lining on the corresponding sidewall of the framework of described film piece (8) is filled with film silk (12), and described film silk adopts crisscross or parallel arrangement mode, and the film silk is vertical with water (flow) direction.
2. Superfilter membrane type separator as claimed in claim 1 is characterized in that the film piece (8) of described membrane module integrated unit (9) lining, and according to the direction of film silk, block-by-block adopts crisscross heap mode, or the film piece according to the film silk all by equidirectional heap.
3. Superfilter membrane type separator as claimed in claim 1 is characterized in that described Superfilter membrane type separator (13) tubular shell (1) is round shape.
4. Superfilter membrane type separator as claimed in claim 1 is characterized in that described capping (5) is for semicircle.
5. Superfilter membrane type separator as claimed in claim 1 is characterized in that described film piece (8) is square.
6. Superfilter membrane type separator as claimed in claim 1 is characterized in that described film silk (12) is hollow fiber ultrafiltration membrane or microfiltration membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99111513A CN1116097C (en) | 1999-08-18 | 1999-08-18 | Superfilter membrane type separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99111513A CN1116097C (en) | 1999-08-18 | 1999-08-18 | Superfilter membrane type separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1285233A CN1285233A (en) | 2001-02-28 |
| CN1116097C true CN1116097C (en) | 2003-07-30 |
Family
ID=5275131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99111513A Expired - Fee Related CN1116097C (en) | 1999-08-18 | 1999-08-18 | Superfilter membrane type separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1116097C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6099042A (en) * | 1983-11-01 | 1985-06-01 | ユニチカ株式会社 | Production of differential color fabric |
| JPH0286818A (en) * | 1988-09-22 | 1990-03-27 | Kubota Ltd | Solid-liquid separator |
| JPH09141066A (en) * | 1995-11-21 | 1997-06-03 | Kubota Corp | Dipping type membrane separator |
-
1999
- 1999-08-18 CN CN99111513A patent/CN1116097C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6099042A (en) * | 1983-11-01 | 1985-06-01 | ユニチカ株式会社 | Production of differential color fabric |
| JPH0286818A (en) * | 1988-09-22 | 1990-03-27 | Kubota Ltd | Solid-liquid separator |
| JPH09141066A (en) * | 1995-11-21 | 1997-06-03 | Kubota Corp | Dipping type membrane separator |
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| Publication number | Publication date |
|---|---|
| CN1285233A (en) | 2001-02-28 |
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