CN102389709B - Vertical external pressure composite film filtering system - Google Patents
Vertical external pressure composite film filtering system Download PDFInfo
- Publication number
- CN102389709B CN102389709B CN201110283562.8A CN201110283562A CN102389709B CN 102389709 B CN102389709 B CN 102389709B CN 201110283562 A CN201110283562 A CN 201110283562A CN 102389709 B CN102389709 B CN 102389709B
- Authority
- CN
- China
- Prior art keywords
- pressure vessel
- filtering system
- composite film
- membrane component
- vertical external
- 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.)
- Active
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 52
- 239000002131 composite material Substances 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000012528 membrane Substances 0.000 claims description 87
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000007654 immersion Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005374 membrane filtration Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/18—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/04—Hollow fibre modules comprising multiple hollow fibre assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/06—External membrane module supporting or fixing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/16—Specific vents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/20—Specific housing
- B01D2313/201—Closed housing, vessels or containers
- B01D2313/2011—Pressure vessels
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a vertical external pressure composite film filtering system, which comprises at least one pressure vessel which has closed ends and is vertically arranged, and film element subassemblies which are closed in each pressure vessel, wherein each film element subassembly comprises at least two film elements which are vertically arranged, clearances are left between the film element subassemblies and the pressure vessels, the upper end parts of the film element subassemblies are provided with end plates, the end plates separate the inner spaces of the pressure vessels into closed upper end cavities and closed lower end cavities, each film element comprises an inner film wire, an air vent and an external surface support fixing device which is arranged at the exterior of the film wire, water seeps out or into from the external surface support fixing devices, each pressure vessel is provided with an upper end water inlet-outlet port and at least one lower end water inlet-outlet port, and the pressure vessels are arranged in parallel. The vertical external pressure composite film filtering system can adopt pressure type or immersion type film elements, so a plurality of film elements can be filtered at the same time, the filter efficiency of the filtering system is effectively improved, various operation modes can be provided, and the applicability is greatly improved.
Description
Technical field
The present invention relates to a kind of membrane filtration system, particularly relate to a kind of vertical external pressure composite film filtering system.
Background technology
Existing vertical pressure formula membrane filtration system is generally comprised of the hollow fibre membrane component with shell in pressure vessel, water inlet pipe (house steward and arm), water producing pipe (house steward and arm), dense water pipe (house steward and arm), film frame, membrane component is connected in pipeline both sides, system complex in parallel.And because single membrane component treating capacity is little, system adopts membrane component quantity many, cost is high and potential faults is large.And pressure type membrane filtering system and immersion membrane filtration system can not compatiblely use, be unfavorable for the compatibility of system.
Summary of the invention
The present invention completes in order to solve deficiency of the prior art, the object of this invention is to provide a kind of simple in structure, cost is low, membrane component group can be set, use a plurality of membrane components to filter in a pressure vessel simultaneously, effectively improve the filter efficiency of filtration system, can there is the multiple method of operation, the vertical external pressure composite film filtering system that applicability improves greatly.
A kind of vertical external pressure composite film filtering system of the present invention, the pressure vessel and the membrane component assembly that is enclosed in the vertical setting in described pressure vessel that comprise the end-enclosed of at least one vertical setting, membrane component assembly comprises at least two parallel membrane components that vertical arranges, between described membrane component assembly and described pressure vessel, leave gap, the upper end of described membrane component assembly is provided with end plate, described end plate separates the chamber, Qiang He lower end, upper end for sealing by space in pressure vessel, described membrane component comprises internal membrane silk, passage and the outer surface supporting adn fixing device that is packaged in described film silk outside, water oozes out or infiltrates from described outer surface supporting adn fixing device, described pressure vessel is positioned at chamber, upper end and is provided with upper end intake-outlet, chamber, described pressure vessel lower end arranges at least one lower end intake-outlet, described each pressure vessel is arranged in parallel.
A kind of vertical external pressure composite film filtering system of the present invention can also be:
The upper end of described pressure vessel detachably arranges the upper cover of the described pressure vessel of sealing.
Described membrane component also comprises the end socket that is positioned at film silk two ends and the termination that is positioned at described end socket outside, and described end socket is arranged on described film silk end, and described termination is fixed together described end socket, described film silk and described outer surface supporting adn fixing device.
The fixing hole consistent with described termination shape is set on described end plate, is fixed in the fixing hole of end plate the upper end edge seal of described membrane component upper end.
The upper end of the fixing hole of described end plate and described membrane component upper end is fixed.
Described end socket and described termination, described outer surface supporting adn fixing device are consistent with described fixing hole shape.
Described end socket, described termination or described outer surface supporting adn fixing device shape are square or are circle.
Described outer surface supporting adn fixing device comprises outer surface supporting network or outer surface bracing frame.
Described pressure vessel is to be made by metal or concrete material.
Described pressure vessel is built on ground or the latter half of described pressure vessel is positioned at subsurface.
Described upper end intake-outlet and described lower end intake-outlet lay respectively at the same side of described pressure vessel.
Two lower end intake-outlets of chamber, lower end outer setting of described pressure vessel, described two lower end intake-outlets lay respectively at the same side of described pressure vessel.
A kind of vertical external pressure composite film filtering system of the present invention, because it comprises the pressure vessel and the membrane component assembly that is enclosed in the vertical setting in described pressure vessel of the end-enclosed of at least one vertical setting, membrane component assembly comprises at least two parallel membrane components that vertical arranges, between described membrane component assembly and described pressure vessel, leave gap, the upper end of described membrane component assembly is provided with end plate, described end plate separates the chamber, Qiang He lower end, upper end for sealing by space in pressure vessel, described membrane component comprises internal membrane silk, passage and the outer surface supporting adn fixing device that is packaged in described film silk outside, water oozes out or infiltrates from described outer surface supporting adn fixing device, described pressure vessel is positioned at chamber, upper end and is provided with upper end intake-outlet, chamber, described pressure vessel lower end arranges at least one lower end intake-outlet, described each pressure vessel is arranged in parallel.The advantage that the vertical external pressure composite film filtering system of this spline structure has be in terms of existing technologies the outside bag of the film silk of membrane component establish there is water penetration outer surface supporting adn fixing device, water can enter filtering in film silk and discharge from membrane component upper end from membrane component lower end intake-outlet and outer surface, water enters the expanded range in membrane component, has expanded the applicability of film filtering system.In addition, owing to a plurality of membrane components can being set in pressure vessel, a plurality of membrane components act on water are filtered simultaneously, greatly improved the filter efficiency of film filtering system, and, because membrane component assembly lower end is unfixing, end plate is divided into two independently chambeies by pressure vessel, simple in structure, cost is low.And parallel a plurality of pressure vessels can be set filter simultaneously, further improve filter efficiency.
Accompanying drawing explanation
Fig. 1 is vertical external pressure composite film filtering system specific embodiment schematic diagram of the present invention.
Fig. 2 is the membrane component radial section figure of vertical external pressure composite film filtering system of the present invention.
Fig. 3 is the axial cutaway view of the membrane component of vertical external pressure composite film filtering system of the present invention.
Fig. 4 is another embodiment schematic diagram of membrane component of vertical external pressure composite film filtering system of the present invention.
Fig. 5 is the plane of vertical external pressure composite film filtering system end plate of the present invention.
Fig. 6 is two pressure vessel connection diagrams of vertical external pressure composite film filtering system of the present invention.
Fig. 7 is four pressure vessel connection diagrams of vertical external pressure composite film filtering system of the present invention.
Figure number explanation
1 ... pressure vessel 2 ... membrane component 3 ... gap 4 ... upper cover
5 ... passage 6 ... end plate 7 ... chamber, lower end 8 ... chamber, upper end
10 ... film silk 11 ... outer surface supporting adn fixing device
12 ... fixing hole 13 ... upper end intake-outlet 14 ... lower end intake-outlet
15 ... end socket 16 ... termination
The specific embodiment
Fig. 1 to Fig. 7 below in conjunction with accompanying drawing is described in further detail a kind of vertical external pressure composite film filtering system of the present invention.
Specific embodiment one
A kind of vertical external pressure composite film filtering system of the present invention, please refer to Fig. 1 to Fig. 7, the pressure vessel 1 and the membrane component assembly that is enclosed in the vertical setting in described pressure vessel 1 that comprise the end-enclosed of at least one vertical setting, membrane component assembly comprises parallel at least two membrane components 2 that vertical arranges, between described membrane component assembly and described pressure vessel 1, leave gap 3, the upper end of described membrane component assembly is provided with end plate 6, described end plate 6 separates chamber, upper end 8 and the chamber, lower end 7 for sealing by the interior space of pressure vessel 1, described membrane component 2 comprises internal membrane silk 10, passage 5 and the outer surface supporting adn fixing device that is packaged in described film silk 10 outsides, water oozes out or infiltrates from described outer surface supporting adn fixing device, described pressure vessel 1 is positioned at 8 outsides, chamber, upper end and is equipped with upper end intake-outlet 13, on described pressure vessel 1, be positioned at chamber, described lower end at least one lower end intake-outlet 14 of 7 outer setting, described each pressure vessel 1 is arranged in parallel.The method of operation of concrete vertical external pressure composite film filtering system is as follows:
External pressure grossflow filtration: as shown in Figure 1, at filtration stage, sewage enters in chamber, lower end 7 from Qiang Wai lower end, the lower end intake-outlet 14 of pressure vessel 1, under pressure, by the outer surface supporting adn fixing device on the outer wall of membrane component 2, infiltrated in the membrane component 2 contacting with chamber, lower end 7, the film silk hole of membrane component 2 enters membrane component 2 inside and filters, then under the effect of pressure, by membrane component 2 upper ends, flowed out, and filtered water after filtering mainly concentrates between pressure vessel 1 and film silk 10 in chamber, upper end 8 and under the effect of pressure the upper end intake-outlet 13 output water purification by upper end.At wash phase, clean water enters in the chamber, upper end 8 of pressure vessel 1 from the upper end intake-outlet 13 of upper end, then from membrane component 2 ends, enter the interior flushing membrane silk of film silk 10 10 surfaces of each membrane component 2, and the sewage after rinsing and dirt are discharged from the lower end intake-outlet of lower end, and then membrane component 2 and pressure vessel 1 are rinsed well.When being air purge, the effect of passage 5 ventilates.
Therefore, the advantage that the vertical external pressure composite film filtering system of this spline structure has be in terms of existing technologies the outside bag of the film silk 10 of membrane component 2 establish there is water penetration outer surface supporting adn fixing device, water not only can from membrane component 2 lower ends enter in film silk 10, filter discharge from membrane component 2, water from being filtered to membrane component 2 upper ends, membrane component 2 outsides can also be discharged, expanded the area of pleurodiaphragmatic in terspace part water inlet, improve filter efficiency, expanded the applicability of film filtering system.In addition, because pressure vessel 1 is interior, a plurality of membrane components 2 can be set, a plurality of membrane components 2 act on water are filtered simultaneously, greatly improved the filter efficiency of film filtering system, and, because membrane component assembly lower end is fixing, end plate is divided into two independently chambeies by pressure vessel, simple in structure, cost is low.Because the structure of membrane component 2 and end plate 6 is all fairly simple, therefore manufacture and be more prone to simultaneously, the manufacturing cost of whole vertical external pressure composite film filtering system reduces greatly.And parallel a plurality of pressure vessels 1 can be set filter simultaneously, further improve filter efficiency.Vertical external pressure composite film filtering system except can pressing force formula operation pressurization while intaking, produce high-pressure water inlet; Can also move by immersion, i.e. water inlet gravity flow enters in pressure vessel 1, by producing water pump suction pressurization, filters.When water inlet is active sludge intermixture, system is by MBR (being membrane bioreactor) technical operation.
Specific embodiment two
A kind of vertical external pressure composite film filtering system of the present invention, please refer to Fig. 1 to Fig. 7, on the basis of specific embodiment one, can also be that the upper end of described pressure vessel 1 detachably arranges the upper cover 4 that seals described pressure vessel 1.The advantage that upper cover 4 is set is closed pressure container 1, and upper cover 4 can be opened in maintenance, is convenient to maintenance and maintenance.Certainly can also bottom sealed.Pressure vessel 1 can be the pond of concreting, can be also other airtight container, so long as can open top, membrane component 2 and end plate 6 is installed.In addition, pressure vessel 1 also can a plurality ofly connect, as two connect or four connect or more connect to form large-scale film filtering system, and comprise at least two membrane components 2 in the membrane component assembly of one deck, generally can comprise three, four to seven, large-scale can comprise 30.In addition, described outer surface supporting adn fixing device comprises outer surface supporting network or outer surface bracing frame.So long as the water that film silk 10 can be filtered ooze out and fixing film silk 10.
Specific embodiment three
A kind of vertical external pressure composite film filtering system of the present invention, please refer to Fig. 1 to Fig. 7, on specific embodiment one or specific embodiment two bases, can also be that described membrane component 2 also comprises the end socket 15 that is positioned at film silk 10 two ends and the termination 16 that is positioned at described end socket 15 outsides, described end socket 15 is arranged on described film silk 10 ends, and described termination 16 is fixed together described end socket 15, described film silk 10 and described outer surface supporting adn fixing device.Such membrane component 2 could be realized external pressure and permeate applicable situation, and due to sewage, to enter the area of membrane component 2 excessive, promotes filter efficiency, expanded the applicability of film filtering system, certainly membrane component 2 can also adopt other structure, so long as can seep water in membrane component 2 outsides.Further preferred technical scheme is that the fixing hole 12 consistent with described termination 16 shapes is set on described end plate 6, is fixed in the fixing hole 12 of end plate 6 upper end 16 edge seals of described membrane component 2 upper ends.So just membrane component 2 sealings can be fixed in chamber, lower end 7, the water in chamber, upper end 8 and chamber, lower end 7 can not mixed, the effect that impact is filtered.The fixing hole 12 that further preferred technical scheme is described end plate 6 is fixing with the upper end 16 of described membrane component 2 upper ends.In addition, described end socket 15 and described termination 16, described outer surface supporting adn fixing device are consistent with described fixing hole 12 shapes, and guarantee end plate 6 is fixing by membrane component 2 top edges sealings like this.Further preferred technical scheme is that described end socket 15, described termination 16, described outer surface supporting adn fixing device and described fixing hole 12 shapes are square or are circle.Manufacturing process is fairly simple like this, cost is low.
A kind of vertical external pressure composite film filtering system of the present invention, please refer to Fig. 1 to Fig. 7, on the basis of specific embodiment one or specific embodiment two or specific embodiment three or specific embodiment four, can also be that described outer surface supporting adn fixing device 11 comprises outer surface supporting network or outer surface bracing frame.If wherein membrane component 2 outer contour shapes are circular, outer surface supporting adn fixing device 11 is for being wrapped in the supporting network of described membrane component 2 outsides so, and if membrane component 2 outer contour shapes are square, outer surface supporting adn fixing device 11 is for being positioned at the bracing frame of four seamed edge fixed supports so.Certainly, outer surface supporting adn fixing device 11 can be other forms of, so long as can membrane component 2 supported fixing.In addition, described pressure vessel 1 is to be made by metal or concrete material.The advantage that pressure vessel 1 is made by metal material is easy for installation, good airproof performance.And pressure vessel 1 is made by metal material, advantage is that cost is low so, is subject to the corrosion impact of rain water and air little.In addition, described pressure vessel 1 is built on ground or the latter half of described pressure vessel is positioned at subsurface.Pressure vessel 1 half is embedded in and undergroundly can reduces system improving lift, greatly saves energy consumption like this.
Specific embodiment four
A kind of vertical external pressure composite film filtering system of the present invention, please refer to Fig. 1 to Figure 11, on the basis of specific embodiment one or specific embodiment two or specific embodiment three, it can also be the same side that described upper end intake-outlet 13 and described lower end intake-outlet 14 lay respectively at described pressure vessel 1.Such advantage is that pipe arrangement is convenient, pipeline is simple, reduces costs.Further preferred technical scheme is two lower end intake-outlets 14 of chamber, lower end 7 outer setting of described pressure vessel 1, and described two lower end intake-outlets 14 lay respectively at the same side of described pressure vessel 1.Such advantage is that pipe arrangement is convenient, pipeline is simple, reduces costs.Most preferred technical scheme is that described pressure vessel 1 integral body rest on the ground or the latter half of described pressure vessel is positioned at subsurface.
Above-mentionedly only several specific embodiments in the present invention are illustrated, but can not be as protection scope of the present invention, every equivalence of having done according to the design spirit in the present invention changes or modifies, and all should think and fall into protection scope of the present invention.
Claims (12)
1. a vertical external pressure composite film filtering system, it is characterized in that: the pressure vessel and the membrane component assembly that is enclosed in the vertical setting in described pressure vessel that comprise the end-enclosed of at least one vertical setting, membrane component assembly comprises at least two parallel membrane components that vertical arranges, between described membrane component assembly and described pressure vessel, leave gap, the upper end of described membrane component assembly is provided with end plate, described end plate separates the chamber, Qiang He lower end, upper end for sealing by space in pressure vessel, described membrane component comprises internal membrane silk, passage and the outer surface supporting adn fixing device that is packaged in described film silk outside, water oozes out or infiltrates from described outer surface supporting adn fixing device, chamber, described pressure vessel upper end is provided with upper end intake-outlet, chamber, described pressure vessel lower end arranges at least one lower end intake-outlet, described each pressure vessel is arranged in parallel.
2. a kind of vertical external pressure composite film filtering system according to claim 1, is characterized in that: the upper end of described pressure vessel detachably arranges the upper cover of the described pressure vessel of sealing.
3. a kind of vertical external pressure composite film filtering system according to claim 1, it is characterized in that: described membrane component also comprises the end socket that is positioned at film silk two ends and the termination that is positioned at described end socket outside, described end socket is arranged on described film silk end, and described termination is fixed together described end socket, described film silk and described outer surface supporting adn fixing device.
4. a kind of vertical external pressure composite film filtering system according to claim 3, is characterized in that: the fixing hole consistent with described termination shape is set on described end plate, is fixed in the fixing hole of end plate the upper end edge seal of described membrane component upper end.
5. a kind of vertical external pressure composite film filtering system according to claim 4, is characterized in that: the upper end of the fixing hole of described end plate and described membrane component upper end is fixed.
6. a kind of vertical external pressure composite film filtering system according to claim 5, is characterized in that: described end socket and described termination, described outer surface supporting adn fixing device are consistent with described fixing hole shape.
7. a kind of vertical external pressure composite film filtering system according to claim 6, is characterized in that: described end socket, described termination or described outer surface supporting adn fixing device shape are square or are circle.
8. according to a kind of vertical external pressure composite film filtering system described in any claim of claim 1 to 7, it is characterized in that: described outer surface supporting adn fixing device comprises outer surface supporting network or outer surface bracing frame.
9. according to a kind of vertical external pressure composite film filtering system described in any claim of claim 1 to 7, it is characterized in that: described pressure vessel is to be made by metal or concrete material.
10. according to a kind of vertical external pressure composite film filtering system described in any claim of claim 1 to 7, described pressure vessel is built on ground or the latter half of described pressure vessel is positioned at subsurface.
11. according to a kind of vertical external pressure composite film filtering system described in any claim of claim 1 to 7, it is characterized in that: described upper end intake-outlet and described lower end intake-outlet lay respectively at the same side of described pressure vessel.
12. a kind of vertical external pressure composite film filtering systems according to claim 11, is characterized in that: two lower end intake-outlets of chamber, lower end outer setting of described pressure vessel, described two lower end intake-outlets lay respectively at the same side of described pressure vessel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110283562.8A CN102389709B (en) | 2011-09-22 | 2011-09-22 | Vertical external pressure composite film filtering system |
| PCT/CN2011/001654 WO2013040729A1 (en) | 2011-09-22 | 2011-09-29 | Upright external pressure hybrid membrane filtration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110283562.8A CN102389709B (en) | 2011-09-22 | 2011-09-22 | Vertical external pressure composite film filtering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102389709A CN102389709A (en) | 2012-03-28 |
| CN102389709B true CN102389709B (en) | 2014-04-23 |
Family
ID=45857166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110283562.8A Active CN102389709B (en) | 2011-09-22 | 2011-09-22 | Vertical external pressure composite film filtering system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102389709B (en) |
| WO (1) | WO2013040729A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117509826B (en) * | 2023-12-13 | 2024-05-14 | 湖州浩宇膜科技有限公司 | Automatic dredging type ultrafiltration membrane water treatment equipment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5470469A (en) * | 1994-09-16 | 1995-11-28 | E. I. Du Pont De Nemours And Company | Hollow fiber cartridge |
| CN1229001A (en) * | 1998-03-16 | 1999-09-22 | 韩国净水工业株式会社 | Micro-filtration method using fiber hose and apparatus thereof |
| CN1225305C (en) * | 2003-09-08 | 2005-11-02 | 北京鼎创源膜技术开发有限公司 | Honeycomb can-type hollow fiber membrane separating equipment |
| US7267769B2 (en) * | 2004-09-24 | 2007-09-11 | International Environmental Technologies, Llc | Water purification system utilizing a carbon block pre-filter |
| CN201353482Y (en) * | 2008-12-19 | 2009-12-02 | 张金松 | Hollow fiber membrane filter |
| CN201399324Y (en) * | 2009-01-16 | 2010-02-10 | 苏州膜华材料科技有限公司 | An integrated hollow fiber membrane module |
| CN201807216U (en) * | 2010-10-12 | 2011-04-27 | 上海京瓷电子有限公司 | Round-bunch-shaped membrane filtration separating unit |
| CN202277788U (en) * | 2011-09-22 | 2012-06-20 | 张慧春 | Vertical pressure immersion composite membrane filtering system |
-
2011
- 2011-09-22 CN CN201110283562.8A patent/CN102389709B/en active Active
- 2011-09-29 WO PCT/CN2011/001654 patent/WO2013040729A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013040729A1 (en) | 2013-03-28 |
| CN102389709A (en) | 2012-03-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102389710B (en) | Vertical pressure immersion composite film filtering system | |
| CN202277788U (en) | Vertical pressure immersion composite membrane filtering system | |
| CN102389709B (en) | Vertical external pressure composite film filtering system | |
| CN202289873U (en) | Vertical external pressure composite membrane filtering system | |
| CN206995979U (en) | A kind of multisection type vertical auto-backwash filter | |
| CN202879599U (en) | Engineering vehicle | |
| CN213044802U (en) | Pond blowdown structure of landscape architecture design | |
| CN201015717Y (en) | Precision filter | |
| CN205109407U (en) | Forward filters negative pressure and causes ultrafiltration device | |
| CN202356106U (en) | Novel filtering tank for ion exchange fiber | |
| CN102380316A (en) | Horizontal pressure leaching composite membrane filtering system | |
| CN101823780B (en) | Soft sheet film method waste water treatment intensive device | |
| CN102389668A (en) | In-tank filter device | |
| CN220951486U (en) | Industrial ultrapure water equipment | |
| CN201333349Y (en) | Filter | |
| CN204746104U (en) | Vertical pressure dipping film system of straining | |
| CN215822799U (en) | Ultrafiltration equipment with all-dimensional overhaul device | |
| CN217949297U (en) | Prefabricated pump station of integration glass steel for sewage treatment | |
| CN216687611U (en) | Membrane frame structure of MBR membrane module | |
| CN215463335U (en) | Ultrafiltration device utilizing residual pressure to automatically flush endogenous water | |
| CN205832732U (en) | Low back pressure Full-automatic reverse suctions many filters | |
| CN222846547U (en) | A biological filter for sewage treatment | |
| CN204198513U (en) | Be specially adapted to the sewage terminal purifying device of washing bay | |
| CN205055564U (en) | Circumferential pressure does not have filter material filter equipment | |
| CN212383277U (en) | Movable combined drip irrigation filtering device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GREENTECH WATER ENGINEERING (BEIJING) CO., LTD. Free format text: FORMER OWNER: ZHANG HUICHUN Effective date: 20140929 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140929 Address after: Two Beijing 100102 Chaoyang District city in Wangjing Lize Park No. 203 Petrova building C block 2 layer Patentee after: GreenTech Water Engineering Co., Ltd. Address before: 100102 Beijing Chaoyang District city in Wangjing Lize park two areas Petrova building C block two layer Patentee before: Zhang Huichun |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100102 2 floor, block C, 203, Luo wa building, two district, Li Ze Zhong garden, Wangjing, Chaoyang District, Beijing. Patentee after: Jinke environmental Limited by Share Ltd Address before: 100102 2 floor, block C, 203, Luo wa building, two district, Li Ze Zhong garden, Wangjing, Chaoyang District, Beijing. Patentee before: GreenTech Water Engineering Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |