CN201190125Y - Counter washing bag type filtrating unit - Google Patents

Counter washing bag type filtrating unit Download PDF

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Publication number
CN201190125Y
CN201190125Y CNU200820004993XU CN200820004993U CN201190125Y CN 201190125 Y CN201190125 Y CN 201190125Y CN U200820004993X U CNU200820004993X U CN U200820004993XU CN 200820004993 U CN200820004993 U CN 200820004993U CN 201190125 Y CN201190125 Y CN 201190125Y
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CN
China
Prior art keywords
filter
bag
filtration unit
type filtration
membrane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU200820004993XU
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Chinese (zh)
Inventor
孟广祯
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CANPURE EQUIPMENT INTERNATIONAL Ltd
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Individual
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Priority to CNU200820004993XU priority Critical patent/CN201190125Y/en
Application granted granted Critical
Publication of CN201190125Y publication Critical patent/CN201190125Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The utility model relates to a recoil bag-type filtration unit which belongs to the technical field of the eco-friendly water treatment and the membrane separation. The recoil bag-type filtration unit comprises a filter bag or a filter cylinder made of filter cloth or a filter membrane, a porous support body used for supporting the filter bag or the filter cylinder, and an end used for support and connection. Filtrated liquid penetrates through the filter bag or the filter cylinders on the recoil bag-type filtration unit from outside to inside under the action of the pressure and enters into the filter bag or the filter cylinder, and flows out through a liquid production pipe on the connected end after penetrating through the porous support body; recoil fluid enters the recoil bag-type filtration unit through the liquid production pipe on the connected end and flows from inside to outside in recoiling, and pollutants on the filter cloth or the filter membrane surface is carried away from the filter cloth or the filter membrane surface. The filter cloth or the filter membrane of the recoil bag-type filtration unit is slightly inflated in the recoiling process, the inflation is not only favorable for the pull-off of dirt layers on the filter cloth or the filter membrane surface but also favorable for the discharge of the pollutants entering inside a filter cloth or the filter membrane structure. The recoil bag-type filtration unit can realize online automatic recoil, and the recoil bag-type filtration unit can be ensured to be applied to the filtration of high pollution liquid. The recoil bag-type filtration unit can replace an ultrafiltration membrane filter, a microfiltration membrane filter, a bag-type filter or a plate and frame filter, and is used for a membrane bioreactor or a membrane strengthening bioreactor or other liquid filtration.

Description

Bounce-back bag type filtration unit
Affiliated technical field
The utility model belongs to environment protection water technology and membrane separation technique field, particularly a kind of deep bed filter that recoils.This kind filter cloth filter or film filter are applicable to membrane bioreactor (MBR), intensified membrane bioreaction device (MEBR) and liquid filtering.
Background technology
Deep bed filter generally is made up of filter housing, filter bag and related accessories in the known technology.Filter bag is made by filter cloth or flat sheet membrane.Deep bed filter generally filters with interior pressure form, promptly is filtered liquid and enters in the filter bag, and suspended substance is trapped within the bag, and filtered liquid sees through filter cloth, flows out from filter housing production fluid pipeline.When bag inner suspension thing is too much, need filter bag is taken out from strainer, the suspended substance that is trapped is poured out, filter bag is inner clean, again filter bag is installed in the filter housing.This deep bed filter main drawback is to remove suspended substance process trouble.Simultaneously, the suitable suspended substance in some and filter cloth or membrane filtration aperture enters in filter cloth or the membrane filtration layer structure, can't be eliminated, so filter pressure can increase gradually, lowers life-span of the filter bag.
In the known technology flat sheet membrane or filter cloth are made the strainer of sheet frame form, but the frame filter recoil is subjected to the restriction of film or filter cloth intensity.
Summary of the invention
The utility model will solve the technical problem that deep bed filter in the prior art or frame filter can not effectively recoil, and a kind of bounce-back bag type filtration unit is provided.
Bounce-back bag type filtration unit of the present utility model, the porous supporting body that comprise a filter bag or a filter cylinder of being made by filter cloth or filter membrane, is used to support filter bag or filter cylinder supports and the termination that is connected with being used to.This filtering unit can be used in combination with filter housing by various ways, and each strainer is installed at least one filtering unit, particularly a plurality of filtering units can be installed.
Be filtered liquid under pressure ecto-entad see through filter bag or filter cylinder on the bounce-back bag type filtration unit, enter filter bag or cartridge interior, and flow out by the production fluid pipe on the termination that connects after seeing through porous supporting body.During recoil, backwash liquid enters bounce-back bag type filtration unit by the production fluid pipe on the termination that connects, by in filter bag or the filter cylinder to outer mobile, and with filter cloth or filter membrane surface contaminant band from filter bag or filter cylinder outside surface.
Description of drawings
Fig. 1 is the longitudinal profile synoptic diagram of first kind of bounce-back bag type filtration unit of the utility model.
Fig. 2 is the longitudinal profile synoptic diagram of second kind of bounce-back bag type filtration unit of the utility model.
Embodiment
The utility model bounce-back bag type filtration unit shown in Figure 1 comprises a filter bag 111, one porous support tubes 120, one top web member 130, one bottom web members, 141, one fixation clamps 151 and production fluid pipes 160.The spinner 131 that can be connected with filter housing wherein is set on the top web member 130.Porous support tube 120 closely is connected by gluing or welding with bottom web member 141 with top web member 130.Filter bag 111 closely is connected with top web member 130 by filter bag fixation clamp 151.Filter bag 111 also can closely be connected with top web member 130 by gluing or ultrasonic welding, and filter bag fixation clamp 151 is omitted at this moment.Bottom web member 141 is atresia supporter or porous supporting body, and it can be identical with support tube 120 materials during for porous supporting body.Filter bag 111 tops are provided with enhancement Layer 115.
The new bounce-back bag type filtration unit of this practicality shown in Figure 1 is installed in the filter housing when using, and liquid ecto-entad under pressure enters filter bag inside through filter bag 111, and sees through porous supporting body 120, flows out by production fluid pipe 160 afterwards.Backwash liquid enters bounce-back bag type filtration unit by production fluid pipe 160 during recoil, flow from inside to outside, and with filter cloth or filter membrane surface contaminant band from filter bag 111 surfaces, discharge from input duct or washback drainpipe road that filter housing is provided with.
Second kind of bounce-back bag type filtration unit essential structure of the utility model shown in Figure 2 is identical with the essential structure of first kind of bounce-back bag type filtration unit of the utility model shown in Figure 1, and identical part is represented with identical label, and no longer is repeated in this description.
The difference of the utility model bounce-back bag type filtration unit shown in Figure 2 and first kind of bounce-back bag type filtration unit of the utility model shown in Figure 1 is, filter cloth or filter membrane are made into filter cylinder 112, and filter cylinder 112 bottoms closely are connected with bottom linker 142 by filter cylinder fixation clamp 152 or by gluing or ultrasonic welding.Bottom linker 142 is a non-porous material, and bottom linker 142 is provided with the reference column 170 that joins with filter housing.Filter cylinder 112 upper and lowers are equipped with enhancement Layer 115.
The utility model bounce-back bag type filtration unit shown in Figure 2 is identical with the recoil process with the filtration of first kind of bounce-back bag type filtration unit of the utility model shown in Figure 1, no longer is repeated in this description.
Filter bag 111 described in the utility model bounce-back bag type filtration unit or filter cylinder 112 can directly be made with filter cloth or filter membrane, also can use common filter cloth or common filter membrane to make through welding or sewing.Filter cloth or membrane filtration precision are the 0.1-100 micron.Can't hold back most suspended substances when filtering accuracy is higher than 100 microns, make the range of application of filtering unit be restricted; The recoil hypertonia of filtering accuracy filter cloth or filter membrane during less than 0.1 micron makes the life-span of filter bag or filter cylinder lower.
The diameter of filter bag 111 or filter cylinder 112 is between 5-250mm in the utility model bounce-back bag type filtration unit.This diameter is to make that the support tube preparation is difficult less than 5mm, and this diameter is to make that filter cloth or the filter membrane area in unit volume is low excessively greater than 250mm.
The length of filter bag 111 or filter cylinder 112 is between 25-3000mm in the utility model bounce-back bag type filtration unit.This length is during less than 25mm, extensiveization of more difficult realization system; And this diameter during greater than 3000mm the height of filtering system can make its transportation and difficulty is installed.
The coated enhancement Layer of filter bag 111 opening ends or filter cylinder 112 two ends in the utility model bounce-back bag type filtration unit.The enhancement Layer width is between 10-100mm.This width is during less than 10mm, the recoil protection width deficiency that expands; And this width influences effective filtration area during greater than 100mm.Enhancement Layer thickness is between 1-3mm.Enhancement Layer thickness during less than 1mm intensity strengthen not obvious, enhancement Layer thickness during greater than 3mm easily at enhancement Layer and common filter cloth or filter membrane boundary place formation fold.
The porous supporting body that is used to support filter bag or filter cylinder in the utility model bounce-back bag type filtration unit is the tubular filtering medium of aperture at the 20-500 micron, and this tubular filtering medium can be but be not limited to melt spray filtration medium or fiber wound form filtration medium.When the support tube undercapacity, metal support can be installed in support tube.Supporting structure will form the too high pressure-losses when porous supporting body aperture is lower than 20 microns, when supporting the porous aperture and being higher than 500 microns supporting layer become intensity cross low or the perforate ratio low excessively.
The utility model bounce-back bag type filtration unit is owing to adopt outer press filtration, interior filtration and recoil form of pressing recoil, make filter cloth or filter membrane when recoil, slightly expand, this expansion helps coming off of filter cloth or filter membrane surface schmutzband, also is beneficial to the discharge that enters filter cloth or filter membrane inside configuration pollutent.The utility model bounce-back bag type filtration unit can be implemented in the line recoil, makes it to go for the filtration of high pollution liquid.The utility model bounce-back bag type filtration unit recoil process can realize control automatically by controlled filter flow or filtration pressure difference.The utility model bounce-back bag type filtration unit can replace ultrafiltration membrance filter device, micro-filtrate membrane filtration, deep bed filter or frame filter, is used for membrane bioreactor or intensified membrane bioreaction device or other liquid filtering.When being used for the filtering biological liquid reactor, can replace settling tank, hold back and reflux bacterium and active sludge thereby bio-reactor is raised the efficiency.

Claims (5)

1, a kind of bounce-back bag type filtration unit, the porous supporting body that it is characterized in that comprising a filter bag or a filter cylinder of being made by filter cloth or filter membrane, is used to support filter bag or filter cylinder supports and the termination that is connected with being used to; Be filtered liquid under pressure ecto-entad see through filter bag or filter cylinder on the bounce-back bag type filtration unit, enter filter bag or cartridge interior, and flow out by the production fluid pipe on the termination that connects after seeing through porous supporting body; Backwash liquid enters bounce-back bag type filtration unit by the production fluid pipe on the termination that connects during recoil, flow from inside to outside, and with filter cloth or filter membrane surface contaminant band from filter cloth or filter membrane surface.
2, bounce-back bag type filtration unit according to claim 1 is characterized in that described filter bag or filter cylinder made by filter cloth or common filter membrane, and filter cloth or membrane filtration precision are the 0.1-100 micron.
3, bounce-back bag type filtration unit according to claim 1, the diameter that it is characterized in that described filter bag or filter cylinder is between 5-250mm, and length is between 25-3000mm.
4, bounce-back bag type filtration unit according to claim 1, its feature also are the coated enhancement Layer of described filter pocket openings end or filter cylinder two ends, and the enhancement Layer width is between 10-100mm, and thickness is between 1-3mm.
5, bounce-back bag type filtration unit according to claim 1, its feature is that also the described porous supporting body that is used to support filter bag or filter cylinder is the tubular filtering medium of aperture at the 20-500 micron, and this tubular filtering medium can be but be not limited to melt spray filtration medium or fiber wound form filtration medium.
CNU200820004993XU 2008-03-19 2008-03-19 Counter washing bag type filtrating unit Expired - Fee Related CN201190125Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU200820004993XU CN201190125Y (en) 2008-03-19 2008-03-19 Counter washing bag type filtrating unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU200820004993XU CN201190125Y (en) 2008-03-19 2008-03-19 Counter washing bag type filtrating unit

Publications (1)

Publication Number Publication Date
CN201190125Y true CN201190125Y (en) 2009-02-04

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CN (1) CN201190125Y (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD779674S1 (en) 2015-02-27 2017-02-21 3M Innovative Properties Company Filter element having a connector
USD786443S1 (en) 2015-02-27 2017-05-09 3M Innovative Properties Company Filter element
USD792959S1 (en) 2015-02-27 2017-07-25 3M Innovative Properties Company Filter element having a pattern
CN108031159A (en) * 2017-12-25 2018-05-15 徐州安诚矿山设备有限公司 A kind of filter
CN112499725A (en) * 2020-12-02 2021-03-16 中国石油天然气股份有限公司 Filter membrane tube and filter device
US11311752B2 (en) 2015-02-27 2022-04-26 3M Innovative Properties Company Flexible filter element having an end outlet

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD779674S1 (en) 2015-02-27 2017-02-21 3M Innovative Properties Company Filter element having a connector
USD786443S1 (en) 2015-02-27 2017-05-09 3M Innovative Properties Company Filter element
USD792959S1 (en) 2015-02-27 2017-07-25 3M Innovative Properties Company Filter element having a pattern
USD886273S1 (en) 2015-02-27 2020-06-02 3M Innovative Properties Company Filter element having a pattern
US11311752B2 (en) 2015-02-27 2022-04-26 3M Innovative Properties Company Flexible filter element having an end outlet
US11738218B2 (en) 2015-02-27 2023-08-29 3M Innovative Properties Company Flexible filter element having an end outlet
CN108031159A (en) * 2017-12-25 2018-05-15 徐州安诚矿山设备有限公司 A kind of filter
CN112499725A (en) * 2020-12-02 2021-03-16 中国石油天然气股份有限公司 Filter membrane tube and filter device

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: BEIJING CANPURE ENVIRONMENT PROTECTIONTECHNOLOGY C

Free format text: FORMER OWNER: MENG GUANGZHEN

Effective date: 20091106

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20091106

Address after: Ma Fang West Industrial Park of Beijing city Pinggu District No. 249, zip code: 101204

Patentee after: Canpure Equipment International, Ltd.

Address before: Beijing City, Chaoyang District Hebei sun Dian Huang Road No. 18, the Grant company, zip code: 100102

Patentee before: Meng Guangzhen

EE01 Entry into force of recordation of patent licensing contract

Assignee: Beijing Grant Membrane Separation Equipment Co., Ltd.

Assignor: Meng Guangzhen

Contract fulfillment period: 2009.6.25 to 2019.6.24

Contract record no.: 2009990000742

Denomination of utility model: Counter washing bag type filtrating unit

Granted publication date: 20090204

License type: Exclusive license

Record date: 20090713

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.6.25 TO 2019.6.24; CHANGE OF CONTRACT

Name of requester: BEIJING GRANT MEMBRANE SEPARATION EQUIPMENT CO., L

Effective date: 20090713

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090204

Termination date: 20170319

CF01 Termination of patent right due to non-payment of annual fee