CN201143420Y - Gas stripping weeping-willow type hollow fiber film or capillary film filter - Google Patents
Gas stripping weeping-willow type hollow fiber film or capillary film filter Download PDFInfo
- Publication number
- CN201143420Y CN201143420Y CNU2008200005772U CN200820000577U CN201143420Y CN 201143420 Y CN201143420 Y CN 201143420Y CN U2008200005772 U CNU2008200005772 U CN U2008200005772U CN 200820000577 U CN200820000577 U CN 200820000577U CN 201143420 Y CN201143420 Y CN 201143420Y
- Authority
- CN
- China
- Prior art keywords
- capillary
- membrane
- hollow
- film
- chamber
- 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
Links
- 235000002493 Salix babylonica Nutrition 0.000 title claims abstract description 24
- 241000734985 Salix x sepulcralis Species 0.000 title claims abstract description 24
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 23
- 239000012528 membrane Substances 0.000 claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000000835 fiber Substances 0.000 claims description 44
- 238000007789 sealing Methods 0.000 claims description 6
- 238000007665 sagging Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 23
- 238000005374 membrane filtration Methods 0.000 abstract description 4
- 239000011347 resin Substances 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 2
- 210000001601 blood-air barrier Anatomy 0.000 abstract 10
- 238000005273 aeration Methods 0.000 abstract 3
- 208000012287 Prolapse Diseases 0.000 abstract 1
- 238000011109 contamination Methods 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000009825 accumulation Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000004382 potting Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 235000012489 doughnuts Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to an air lift weeping-willow type hollow-fiber membrane or capillary membrane filter, which belongs to the technical field of environment water treatment and membrane separation. The filter of this form is suitable for immersed membrane filtration, membrane bioreactor (MBR) or membrane enhancement bioreactor (MEBR). The air lift weeping-willow typed hollow-fiber membrane or capillary membrane filter comprises a plurality of hollow-fiber membranes or capillary membranes, a water drawing cavity, a shell and an aeration device. Each hollow-fiber membrane or capillary membrane is provided with a closed end and an opening end. The opening ends of a plurality of hollow-fiber membranes or capillary membranes are sealed in the opening end of the water drawing cavity by package resin. The pipe cavity of each hollow-fiber membrane or capillary membrane is communicated with an inner cavity of the water drawing cavity. The closed ends of a plurality of hollow-fiber membrane or capillary membrane prolapse freely downwards. The shell is arranged around the hollow-fiber membrane or capillary membrane and the aeration device is arranged at the bottom of the shell. As the bottom of the hollow-fiber membrane or capillary membrane is respectively sealed and the shell is arranged outside the hollow-fiber membrane or capillary membrane, the gas-liquid flow formed by aeration at the bottom of membrane yarn or membrane pipe can fully scour the membrane surface, thus enhancing the contamination resistance of the filter.
Description
Technical field
The utility model belongs to environmental protection water technology and membrane separation technique field; be particularly related to a kind of weeping willow formula hollow-fibre membrane or capillary-pipe film filter that gas is put forward effect that have, this kind film filter is applicable to submerged membrane filtration, membrane bioreactor (MBR) or intensified membrane bioreaction device (MEBR).
Technical background
Common decomposition pressure formula of hollow-fibre membrane or capillary-pipe film or submerged membrane filter in the known technology.Wherein the submerged membrane filter is normally used for the higher liquid of impurity screening.The submerged membrane filter generally by in the liquid around the film from bottom to top waterfall gas lower solid impurity in the liquid in the deposition on film surface with to the pollution on film surface.A kind of special applications of submerged membrane filter assemblies is the biochemical reaction liquid that filters in the biochemical reactor be used for sewage disposal, and this technology that biochemical reactor and membrane filtration module are combined is called as membrane bioreactor.Chinese patent (application number 200610002387X) combines biofilm reactor and membrane filtration in addition, and this technology is called as intensified membrane bioreaction device (MEBR).The submerged membrane filter has curtain formula and pillar in the known technology.One of common trait of these film filters is that doughnut or two ends capillaceous all are fixed.Owing to reason such as near the air scour effect stiff end is relatively poor, dirt deposits near stiff end through regular meeting, influences the assembly result of use.In order to solve this technical problem, United States Patent (USP) (application number 2004/0035779A1) has disclosed a kind of pasture and water formula film filter of vertical placement, wherein hollow-fibre membrane silk or capillary-pipe film bottom are cast in the chamber that draws water, bottom, hollow-fibre membrane silk or capillary-pipe film inner chamber and bottom chamber inner chamber and the bottom chamber water accumulation pipe that draws water that draws water is communicated with, the sealing and scattering relatively respectively of hollow-fibre membrane silk or capillary-pipe film upper end.Apply negative pressure by the chamber water accumulation pipe that draws water to the bottom during use, liquid being filtered sees through the hollow-fibre membrane silk under the atmospheric pressure effect or the capillary membranous wall enters inner chamber, enters water accumulation pipe through the chamber inner chamber that draws water then.But since solid suspension when falling easily in hollow-fibre membrane silk or capillary-pipe film bottom bearing deposition, bring film from the bottom pollution problems gradually upwards.
Chinese patent application (application number 200720155208.6) has disclosed a kind of weeping willow formula film filter of vertical placement, wherein hollow-fibre membrane silk or capillary-pipe film top are cast in the chamber that draws water, top, hollow-fibre membrane silk or capillary-pipe film inner chamber and top chamber inner chamber and the top chamber water accumulation pipe that draws water that draws water is communicated with, the sealing and scattering relatively respectively of hollow-fibre membrane silk or capillary-pipe film upper end.Apply negative pressure by the chamber water accumulation pipe that draws water to the top during use, liquid being filtered sees through the hollow-fibre membrane silk under the atmospheric pressure effect or the capillary membranous wall enters inner chamber, enters water accumulation pipe through the chamber inner chamber that draws water then.It is better that this film filter makes gas wash away effect at film silk bottom waterfall gas, and the solid impurity that the film surface comes off can fall more freely and leave the film surface.
One of common trait of above-mentioned film filter is that hollow-fibre membrane or capillary-pipe film are immersed in open form and are filtered in the liquid, though can make film near surface liquid produce disturbance by waterfall gas, but the mobile kinetic energy of film surface liquid is lower, cause the pollutant levels on film surface higher, cause the pollution of film, also reduced the filtration flux of elementary membrane area simultaneously.
In order to improve flowing of film surface liquid, with U.S. Pat 7,179,370 B2 be the membrane bioreactor of circulation in the gas stripping type of representative with the membrane module relative closure in a film case, the film case opens wide up and down, the gas that utilizes membrane module bottom waterfall gas that liquid is produced is proposed effect and made gas-liquid mixture upper reaches in the film case, and is dirty in film case extroversion, and realize the diffusion and liquid the washing away the film surface of film surface contaminant.The device and method that the air lift type membrane bioreactor of double-cylinder type was disposed of sewage inside and outside Chinese patent (application number 200610113851.2) had proposed to comprise.Owing to be subjected to the restriction of hollow-fibre membrane or capillary-pipe film combining form, make gas-liquid flow have the dead angle in these known technologies, bring film pollution problems gradually the flushing on film surface.U.S. Pat 7,179,370 B2 and Chinese patent (application number 200610113851.2) have all been mentioned the pillar pasture and water formula film filter that build the bottom, because this pillar film bottom is fixed, the gas-liquid flow that gas is proposed generation can't be flushed to film silk bottom, form the flushing dead angle, bring equally film from the bottom pollution problems gradually upwards.
Summary of the invention
The utility model to solve in the prior art in the weeping willow formula film filter hollow-fibre membrane or capillary-pipe film surface liquid flow velocity low, be easy to generate dirt gas in the technical problem of film surface deposition and known technology and put forward the technical problem that there is the flushing dead angle in membrane bioreactor air water stream, provide a kind of gas that comprised to carry the weeping willow formula hollow-fibre membrane or the capillary-pipe film filter of mechanism, or claim Gas stripping weeping-willow type hollow fiber film or capillary film filter.
Gas stripping weeping-willow type hollow fiber film or capillary film filter of the present utility model comprises many hollow-fibre membrane silks or capillary-pipe film, the chamber that draws water, a shell and a waterfall device of air.Hollow-fibre membrane silk or capillary-pipe film place and tell enclosure during the membrane module operation.Each hollow-fibre membrane silk or film tubule film are cast in the chamber that draws water, a top, and hollow-fibre membrane or capillary-pipe film inner chamber are communicated with draw water the chamber inner chamber and the chamber water accumulation pipe that draws water.Apply negative pressure by the chamber water accumulation pipe that draws water during use, liquid being filtered sees through the hollow-fibre membrane silk under the atmospheric pressure effect or the capillary membranous wall enters inner chamber, enters water accumulation pipe through the chamber inner chamber that draws water then.The waterfall device of air is at the filter bottom waterfall gas that makes progress, make simultaneously the bubble produced all or exhausted big portion enter enclosure, cover top portion is provided with gas liquid outlet.With this understanding, the proportion of enclosure gas-liquid mixture will be less than housing exterior liquid, thereby the outer in the enclosure pressure differential that produces, and the liquid of housing exterior constantly enters enclosure from the bottom, together flow out from top and gas again, form the circular flow of liquid thus.Because hollow-fibre membrane or capillary-pipe film bottom can freely swing, this circular flow can in time be washed into every film silk or film pipe, with film surface contaminants band from the film surface.
Technical characterictic of the present utility model is a branch of upper end is cast in together, a shell is set around doughnut that the lower end seals respectively or the capillary-pipe film, is provided with quick-fried device of air at outer casing bottom, and continuously or be interrupted quick-fried gas, shell upper is provided with the air water flow export.
Technical characterictic of the present utility model is that also the cross section of described shell can be various possible geometries such as circle, square, rectangle, hexagon, octagon.
Technical characterictic of the present utility model is that also described quick-fried device of air can be aerating pipe or aerate head.
Description of drawings
Fig. 1 is first kind of Gas stripping weeping-willow type hollow fiber film or capillary film filter profile of the utility model schematic diagram.
Fig. 2 is first kind of Gas stripping weeping-willow type hollow fiber film or capillary film filter longitudinal profile of the utility model schematic diagram.
Fig. 3 is second kind of Gas stripping weeping-willow type hollow fiber film or capillary film filter profile of the utility model schematic diagram.
Fig. 4 is second kind of Gas stripping weeping-willow type hollow fiber film or capillary film filter longitudinal profile of the utility model schematic diagram.
The specific embodiment
Referring to Fig. 1 and Fig. 2, the utility model Gas stripping weeping-willow type hollow fiber film or capillary film filter 100 comprises many hollow-fibre membranes or capillary-pipe film 110 and a chamber 120 that draws water.The bottom 111 of every hollow-fibre membrane or capillary-pipe film 110 is sealed, and top 112 is openings.Draw water and have at least one mouthful 121 on 120 walls of chamber.The bottom 111 of many hollow-fibre membranes or capillary-pipe film 110 down, free sagging, top 112 packed resins 140 are packaged together with the chamber 120 that draws water, the tube chamber of every hollow-fibre membrane or capillary-pipe film 110 is communicated with the inner chamber in the chamber 120 that draws water, one shell 150 is fixedly mounted on the surface, chamber that draws water by a cranse 160 or bolt 170 top with shell 150.Like this, shell 150 can limit within the specific limits be positioned at the hollow-fibre membrane of top, waterfall device of air 130 tops or the bottom part down of capillary-pipe film 110 and the swing that does not stop that mid portion is carried out under the impact of little gas column and minute bubbles, prevent that effectively hollow-fibre membrane or capillary-pipe film 110 from losing, gas is carried the liquid stream that effect forms the film surface in the shell simultaneously.Shell 150 is provided with upper end delivery port 160.Gas water lift stream can flow into from the space of 130 of shell lower end and quick-fried device of air.As special case, the shell lower end is provided with from lacking a water inlet 170, is beneficial to the formation that gas is carried circular flow.
Fig. 3 is to the utility model second kind of weeping willow formula hollow-fibre membrane or capillary-pipe film filter shown in Figure 4, its essential structure is identical with the essential structure of the utility model first kind of weeping willow formula hollow-fibre membrane illustrated in figures 1 and 2 or capillary-pipe film film filter 100, identical part is represented with identical label, and no longer is repeated in this description.
The difference of second kind of Gas stripping weeping-willow type hollow fiber film or capillary film filter of the utility model that Fig. 3 is extremely shown in Figure 4 and first kind of Gas stripping weeping-willow type hollow fiber film or capillary film filter of the utility model illustrated in figures 1 and 2 is, center waterfall tracheae 310 is fixedly mounted on the longitudinal centre line in the chamber 120 that draws water, its top end opening, stretch out from the roof of chamber 120 sealings that draw water, its bottom sealing, stretch out downwards from the bottom 111 of hollow-fibre membrane or capillary-pipe film 110, have a plurality of through holes 311 on the tube wall bottom, replace the waterfall device of air 130 at the utility model illustrated in figures 1 and 2 first kind of weeping willow formula hollow-fibre membrane or capillary-pipe film filter bits center under hollow-fibre membrane or capillary-pipe film 110 bottoms 111 with this.Center waterfall tracheae 310 constitutes potting with the outer wall section of potting resin 140 contacts with potting resin 140 and is connected.Replace with the center waterfall tracheae on the longitudinal centre line that is fixedly mounted on the chamber 420 that draws water 310 bottom down 111 that is positioned at hollow-fibre membrane or capillary-pipe film 110 under the advantage of waterfall device of air 130 at center be center waterfall tracheae 310, the chamber 120 that draws water, root hollow-fibre membrane or capillary-pipe film 110 and shell 150 constitute a whole gas stripping type weeping willow formula hollow-fibre membrane or a capillary-pipe film filter, be convenient to install.
Claims (3)
1, a kind of Gas stripping weeping-willow type hollow fiber film or capillary film filter, it is characterized in that, comprise many hollow-fibre membranes or capillary-pipe film, one chamber that draws water, one shell and a quick-fried device of air, every hollow-fibre membrane or capillary-pipe film one blind end and an openend, the openend of many hollow-fibre membranes or capillary-pipe film be cast in the chamber that draws water in, the tube chamber of every hollow-fibre membrane or capillary-pipe film is communicated with the inner chamber in the chamber that draws water, the blind end of many hollow-fibre membranes or capillary-pipe film down, free sagging, the shell top is fixedly mounted on the surface, chamber that draws water, be sleeved on the outside of many hollow-fibre membranes or capillary-pipe film, the shell upper end is provided with a plurality of perforates, and quick-fried device of air is positioned under the shell bottom.
2, Gas stripping weeping-willow type hollow fiber film or capillary film filter according to claim 1, its feature also is to comprise a center waterfall tracheae, this center waterfall tracheae is fixedly mounted on the longitudinal centre line in the chamber that draws water, form an integral body with many hollow-fibre membranes or capillary-pipe film and the chamber that draws water, its top end opening, stretch out from the roof of the chamber sealing that draws water, be used for to gas; Its bottom sealing is stretched out downwards from the bottom of hollow-fibre membrane or capillary-pipe film, and the tube wall bottom has a plurality of through holes.
3, weeping willow formula hollow-fibre membrane according to claim 1 or capillary-pipe film filter is characterized in that, outer casing bottom is provided with at least one perforate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200005772U CN201143420Y (en) | 2008-01-18 | 2008-01-18 | Gas stripping weeping-willow type hollow fiber film or capillary film filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200005772U CN201143420Y (en) | 2008-01-18 | 2008-01-18 | Gas stripping weeping-willow type hollow fiber film or capillary film filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201143420Y true CN201143420Y (en) | 2008-11-05 |
Family
ID=40080294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200005772U Expired - Fee Related CN201143420Y (en) | 2008-01-18 | 2008-01-18 | Gas stripping weeping-willow type hollow fiber film or capillary film filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201143420Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7875176B2 (en) | 2009-03-06 | 2011-01-25 | Porous Media Corporation | Membrane module for fluid filtration |
| CN103768845A (en) * | 2012-10-19 | 2014-05-07 | 上海市政工程设计研究总院（集团）有限公司 | Air-lift rapid circulating type cloth media filter chamber, and filtering method thereof |
| WO2014190595A1 (en) * | 2013-05-30 | 2014-12-04 | 浙江开创环保科技有限公司 | Hollow fibrous membrane element |
| CN104689623A (en) * | 2015-01-07 | 2015-06-10 | 中国水产科学研究院东海水产研究所 | Copper-alloy filter for land-based farming and use method thereof |
| US9333464B1 (en) | 2014-10-22 | 2016-05-10 | Koch Membrane Systems, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| CN105745011A (en) * | 2013-12-27 | 2016-07-06 | 旭化成医疗株式会社 | Membrane module device, package body, liquid processing system, steam sterilization method, and system configuration method |
| USD779631S1 (en) | 2015-08-10 | 2017-02-21 | Koch Membrane Systems, Inc. | Gasification device |
-
2008
- 2008-01-18 CN CNU2008200005772U patent/CN201143420Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7875176B2 (en) | 2009-03-06 | 2011-01-25 | Porous Media Corporation | Membrane module for fluid filtration |
| CN103768845A (en) * | 2012-10-19 | 2014-05-07 | 上海市政工程设计研究总院（集团）有限公司 | Air-lift rapid circulating type cloth media filter chamber, and filtering method thereof |
| CN103768845B (en) * | 2012-10-19 | 2016-12-21 | 上海市政工程设计研究总院（集团）有限公司 | A kind of air stripping Rapid Circulation formula filtering cloth filtering pool and filter method thereof |
| WO2014190595A1 (en) * | 2013-05-30 | 2014-12-04 | 浙江开创环保科技有限公司 | Hollow fibrous membrane element |
| CN104209005A (en) * | 2013-05-30 | 2014-12-17 | 浙江开创环保科技有限公司 | Hollow fibre membrane element |
| CN105745011A (en) * | 2013-12-27 | 2016-07-06 | 旭化成医疗株式会社 | Membrane module device, package body, liquid processing system, steam sterilization method, and system configuration method |
| CN105745011B (en) * | 2013-12-27 | 2018-01-16 | 旭化成医疗株式会社 | Film component device, package body, liquid processing system, method for steam sterilization and system constructive method |
| US9333464B1 (en) | 2014-10-22 | 2016-05-10 | Koch Membrane Systems, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| US9956530B2 (en) | 2014-10-22 | 2018-05-01 | Koch Membrane Systems, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| US10702831B2 (en) | 2014-10-22 | 2020-07-07 | Koch Separation Solutions, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| CN104689623A (en) * | 2015-01-07 | 2015-06-10 | 中国水产科学研究院东海水产研究所 | Copper-alloy filter for land-based farming and use method thereof |
| USD779631S1 (en) | 2015-08-10 | 2017-02-21 | Koch Membrane Systems, Inc. | Gasification device |
| USD779632S1 (en) | 2015-08-10 | 2017-02-21 | Koch Membrane Systems, Inc. | Bundle body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201143420Y (en) | Gas stripping weeping-willow type hollow fiber film or capillary film filter | |
| EP1945333B1 (en) | An assembly for water filtration to minimise backwash volume | |
| JP2008518748A (en) | Immersion cross flow filtration | |
| CN203284223U (en) | Jet type ozone photocatalysis-membrane treatment device for organic wastewater | |
| CN101678283A (en) | Membrane cleaning using an airlift pump | |
| CN103055703A (en) | Membrane cleaning with pulsed airlift pump | |
| CN201361533Y (en) | Air stripping internal circulation membrane filter | |
| CN102120632A (en) | Immersion tube type hollow fibrous membrane device | |
| CN201147676Y (en) | Aeration external pressure weeping willow type hollow fiber membrane or capillary membrane filter | |
| CN201263972Y (en) | Aeration inner pressure film filter | |
| CN101757853A (en) | External pressure-type hollow fiber membrane module with antipollution structure and cleaning system | |
| CN201295595Y (en) | Aeration external pressure membrane filter | |
| CN101422699B (en) | Gas stripping internal circulation filter and filtering method of liquid film | |
| CN101254409A (en) | Both-end water-generating immersed hollow fiber film component | |
| CN201168573Y (en) | Aerating gas external pressure float grass type membrane filter | |
| CN201305485Y (en) | An immersed gas stripping membrane filter | |
| CN101450831A (en) | Gas stripping circulation type membrane biological reaction apparatus and sewage disposal method | |
| CN201067673Y (en) | Weeping willow type hollow fiber film or capillary vessel film filter | |
| CN202643409U (en) | Novel aeration structure of membrane biological reactor (MBR) | |
| JP2007125452A (en) | Hollow fiber membrane module | |
| CN104209005A (en) | Hollow fibre membrane element | |
| CN212924499U (en) | Ultrafiltration membrane component for uniform water distribution | |
| CN209685371U (en) | A kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration | |
| CN202020991U (en) | Novel low-gas-resistance box-type gas-liquid contact membrane absorbing unit | |
| CN214862565U (en) | High-pollution-resistance immersion type hollow fiber membrane component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: Gas stripping weeping-willow type hollow fiber film or capillary film filter Granted publication date: 20081105 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 |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING CANPURE ENVIRONMENT PROTECTIONTECHNOLOGY C Free format text: FORMER OWNER: MENG GUANGZHEN Effective date: 20091218 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091218 Address after: The west of the Beijing Pinggu District Ma Industrial Park 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 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081105 Termination date: 20160118 |
|
| EXPY | Termination of patent right or utility model |