CN101497000A - Immersion type hollow fiber membrane component and complete equipment thereof - Google Patents
Immersion type hollow fiber membrane component and complete equipment thereof Download PDFInfo
- Publication number
- CN101497000A CN101497000A CNA2009101108313A CN200910110831A CN101497000A CN 101497000 A CN101497000 A CN 101497000A CN A2009101108313 A CNA2009101108313 A CN A2009101108313A CN 200910110831 A CN200910110831 A CN 200910110831A CN 101497000 A CN101497000 A CN 101497000A
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- film
- membrane
- pipe
- end socket
- membrane module
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- 239000012528 membrane Substances 0.000 title claims abstract description 107
- 239000012510 hollow fiber Substances 0.000 title claims description 16
- 238000007654 immersion Methods 0.000 title claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000005266 casting Methods 0.000 claims description 40
- 239000004814 polyurethane Substances 0.000 claims description 15
- 229920002635 polyurethane Polymers 0.000 claims description 15
- 241000108463 Hygrophila <snail> Species 0.000 claims description 12
- 239000003822 epoxy resin Substances 0.000 claims description 11
- 229920000647 polyepoxide Polymers 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract 2
- 239000012141 concentrate Substances 0.000 abstract 1
- 238000010926 purge Methods 0.000 description 10
- 238000005273 aeration Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000005374 membrane filtration Methods 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses an immersion-type hollow fibrous membrane component and complete equipment thereof and belongs to the technical field of manufacturing a membrane component through water treatment. The immersion-type hollow fibrous membrane component consists of membrane silk bundles, membrane end sockets and a central supporting tube; the membrane silk bundles have at least four bundles and are distributed on the periphery of the central supporting tube; two ends of the membrane silk bundles are provided with one membrane end socket respectively, wherein one membrane end socket is a gas inlet end socket; and the other one is a water producing end socket. A plurality of membrane components can be combined into a small unit and a large unit till membrane stacks on the equipment so as to improve service life of the membrane silk and the membrane component; and the structural design of the membrane component concentrates the advantages that the prior strip curtain-type membrane component is uneasy to pollute and the prior columnar membrane component has large membrane filtering area into a whole and has the advantages of large membrane filtering area, convenient mounting of the membrane component, convenient maintenance and the like.
Description
Technical field
The present invention discloses a kind of immersion hollow fiber film assembly and complete set of equipments thereof, belongs to the membrane module manufacturing technology field of water treatment.
Background technology
Though present membrane module kind is more, be applied to water treatment or recycling in the various fields, the defective that oneself is generally all arranged as: curtain type film assembly membrane filtration area is little; Column-type film components is contaminated easily.The outer image of hollow-fibre membrane is fibrous, is a kind of film with self-supporting effect.It is a kind of of anisotropic membrane, and its compacted zone can be positioned at the outer surface (as reverse osmosis membrane) of fiber, also can be positioned at the inner surface (as micro-filtration membrane and milipore filter) of fiber.Existing immersion hollow fiber film assembly is because the deficiency of modular construction aspect has following problem in actual applications:
1, owing to the stay pipe that is used for supporting component generally is positioned at around the assembly, complex structure, and the stay pipe of this structure only has the effect of support, function singleness;
2, because aeration mode is unreasonable, the gas maldistribution, the local assault of film silk is big, is prone to the damage of film silk, and reduce service life;
3, membrane module is installed complicated.
Summary of the invention
At the deficiency of existing water treatment with the membrane module technology, the invention provides the service life that a kind of immersion hollow fiber film assembly rational in infrastructure, that the membrane filtration area is big can improve film silk and membrane module, a kind of membrane stack complete set of equipments is provided simultaneously.
The present invention is achieved by the following technical solutions:
A kind of immersion hollow fiber film assembly, wherein this fiber film component is made up of film tow, film end socket and central support tube, described film tow is at least four bundles, be distributed in around the central support tube, film tow two ends are respectively equipped with a film end socket, one of them film end socket is the air inlet end socket, and another is for producing the water seal head.
Described film end socket is made up of casting sleeve pipe and end socket outer tube, and the casting sleeve pipe adopts the casting of two secondary clearings, and in the water side, leaning on the upper strata of delivery port is epoxy resin layer, and lower floor is a layer of polyurethane; At inlet end, leaning on the lower floor of air inlet is epoxy resin layer, and the upper strata is a layer of polyurethane.
Described film tow is with the soft synnema net of diaphragm silk respectively at the two ends near the film end socket; film tow two ends are fixed in the casting sleeve pipe with soft synnema net casting respectively; the epoxy resin layer of casting sleeve pipe is with the sealing of casting together of the two-port of film silk; layer of polyurethane 5～10mm is imbedded in soft synnema net casting, exposes the outer 15～20mm of cast layer.
Described casting outside of sleeve wall has external screw teeth, and the end socket outer tube has internal screw thread with the position that the casting sleeve pipe is connected, and casting sleeve pipe and end socket outer tube can be connected fixing by the thread rotation; On the lateral wall of described end socket outer tube and air inlet pipe or outlet pipe connecting portion external screw teeth is arranged, can be connected and fixed by loose joint, be respectively arranged with the O RunddichtringO between end socket outer tube and air inlet pipe or outlet pipe with air inlet pipe or outlet pipe.
The two ends of described central support tube cast in casting sleeve pipe center respectively, support that at the distolateral center of water outlet the mouth of pipe is sealed by casting resin, the distolateral center of air inlet supports the mouth of pipe to open wide, described central support tube on the axial direction around be distributed with by close to thin pore to the water side by inlet end, air vent aperture 1～2mm, oblique airintake direction.
The film tow of described membrane module is made up of 4～12 bundles, preferred 6～8 bundle film tow.
Described film tow is made up of 100～300 hollow-fibre membrane silk, film filament length degree 600～1500mm, and the preferred film tow is made up of 150～200 film silks, film filament length degree 1000～1200mm.
This equipment is made up of several membrane module big units, and the collector pipe of each membrane module big unit is connected with the water header of membrane stack, and the air inlet pipe of each big unit is connected with the inlet manifold of membrane stack; Described membrane module big unit is to be combined into by several membrane module junior units, and the branched pipe unification of catchmenting of each junior unit is connected on the collector pipe of big unit, and the air inlet branched pipe unification of each junior unit is connected on the air inlet pipe of big unit; Described membrane module junior unit is made up of 2～5 membrane modules, and the water side unification of membrane module is fixed on the branched pipe that catchments of junior unit, and the inlet end unification of membrane module is fixed on the air inlet branched pipe of junior unit.
Described membrane module junior unit is made up of 3 membrane modules, and described membrane module complete set of equipments is arranged to tired up and down folded double-deck.
Each bundle film tow of the present invention is all entangled by soft synnema net protection and casts on the cast layer; and the cast layer that contacts with film silk free end is a layer of polyurethane; has certain soft elasticity; the root position that soft synnema net and the common diaphragm tow of elastic polyurethane cast layer contact with cast layer; the rigid fatigue that can alleviate film silk film silk root under the air purge shake is lost; reduce the wire broken rate of film silk, improve the service life of film silk and membrane module.
Membrane module of the present invention center is provided with central support tube, and this stay pipe promptly plays a part the support membrane assembly, can purge the air aeration pipe of film silk again as membrane module.The oblique air inlet of perforate on the aeration tube is directed downwards miter angle, can avoid the film silk to purge the mud of shaking off and in the process of sedimentation pore be stopped up.Closeer by the perforate of inlet end on the central support tube, the sweep gas scale of construction is relatively more sufficient, and the mud that sedimentation can be shaken off in the mud that adheres on the film silk and membrane module top effectively purges removal.
The advantage that the structural design of membrane module of the present invention has concentrated existing sheet curtain type film assembly be difficult for to pollute and column-type film components membrane filtration area is big is in one, a plurality of wispy film tow are formed a membrane module, it is low effectively to have solved big film tow air purge coverage rate, the film silk is difficult for shake and removes the mud that adheres to, the shortcoming that the membrane module contamination resistance is low, also solve the laminar film assembly and taken up room greatly the shortcoming that the filter membrane area is little.The membrane stack that this patent membrane module is formed has been realized the maximization of filter membrane area in the taking up room of minimum, effectively solved the antipollution problem of membrane module simultaneously again.
The assembling of membrane module of the present invention and magnitude unit, membrane stack all is to design by quick connection, unit-modularized theory, adopt thread, connect soon, loose joint etc. assembles, loaded down with trivial details operation and outfit that energy minimizing equipment is installed alleviate workman's the amount of labour, accelerate the installation progress of engineering.Adopt unit-modularized design simultaneously, be convenient to the maintenance management and the replacement of component of system.
Description of drawings
Fig. 1 is a membrane module structure side view of the present invention;
Fig. 2 is film tow of the present invention and central support tube distribution map;
Fig. 3 is a membrane module junior unit side view of the present invention;
Fig. 4 is a membrane module big unit side view of the present invention;
Fig. 5 is a membrane module big unit vertical view of the present invention.
1, film tow, 101, the film silk,
2, central support tube, 201, the stay pipe location-plate, 202, epoxy resin,
301, air inlet end socket, 302, produce the water seal head
401, casting sleeve pipe, 4011, epoxy resin layer, 4012, layer of polyurethane,
402, end socket outer tube, 403, the O RunddichtringO,
5, film silk protection silk screen, 6, loose joint,
701, air inlet branched pipe, 702, the branched pipe that catchments,
801, air inlet pipe, 802, collector pipe.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing:
Embodiment: structure as shown in Figure 1 and Figure 2, a kind of immersion hollow fiber film assembly, wherein this fiber film component is made up of film tow 1, film end socket and central support tube 2, described film tow 1 is at least four bundles, be distributed in around the central support tube 2, film tow 1 two ends are respectively equipped with a film end socket, and one of them film end socket is an air inlet end socket 301, and another is for producing water seal 302.
The film end socket is made up of casting sleeve pipe 401 and end socket outer tube 402, and the casting sleeve pipe adopts the casting of two secondary clearings, and in the water side, leaning on the upper strata of delivery port is epoxy resin layer 4011, and lower floor is a layer of polyurethane 4012; At inlet end, leaning on the lower floor of air inlet is epoxy resin layer 4011, and the upper strata is a layer of polyurethane 4012.Described casting sleeve pipe 401 lateral walls have external screw teeth, and end socket outer tube 402 has internal screw thread with the position that the casting sleeve pipe is connected, and casting sleeve pipe and end socket outer tube can be connected fixing by the thread rotation; On the lateral wall of described end socket outer tube 402 and air inlet pipe or outlet pipe connecting portion external screw teeth is arranged, can be connected and fixed by slip-knot 6, be respectively arranged with O RunddichtringO 403 between end socket outer tube 402 and air inlet pipe or outlet pipe with air inlet pipe or outlet pipe.
The two ends of central support tube 2 cast in casting sleeve pipe center respectively, support that at the distolateral center of water outlet the mouth of pipe is sealed by casting resin, the distolateral center of air inlet supports the mouth of pipe to open wide, it is fixed by the stay pipe location-plate, central support tube on the axial direction around be distributed with by close to thin pore to the water side by inlet end, air vent aperture 1～2mm, oblique airintake direction.
The film tow of membrane module is made up of 4～12 bundles, preferred 6～8 bundle film tow.A branch of film tow is made up of 100～300 hollow-fibre membrane silk, film filament length degree 600～1500mm, and the preferred film tow is made up of 150～200 film silks, film filament length degree 1000～1200mm.
Several membrane modules are formed a junior unit, are preferably 2～5 membrane modules and form a junior unit, as more preferably design, as Fig. 3, select 3 membrane modules to form a junior unit.The water side unification of membrane module is fixed on the branched pipe 702 that catchments of junior unit, and the inlet end unification of membrane module is fixed on the air inlet branched pipe 701 of junior unit.
As Fig. 4, Fig. 5, several junior units are combined into a big unit, and big unit is the quantity of the value of setting junior unit according to actual needs.The branched pipe unification of catchmenting of each junior unit is connected on the collector pipe 802 of big unit, and the air inlet branched pipe unification of each junior unit is connected on the air inlet pipe 801 of big unit.
Several big units constitute a membrane stack, and the big I of membrane stack is provided with the quantity of big unit according to actual needs.For the saving floor space of membrane stack, membrane stack can be arranged to tired up and down folded double-deck.The collector pipe of each big unit is connected with the water header of membrane stack, and the air inlet pipe of each big unit is connected with the inlet manifold of membrane stack
Each bundle film tow of the present invention is all entangled by soft synnema net protection and casts on the cast layer; and the cast layer that contacts with film silk free end is a layer of polyurethane; has certain soft elasticity; the root position that soft synnema net and the common diaphragm tow of elastic polyurethane cast layer contact with cast layer; the rigid fatigue that can alleviate film silk film silk root under the air purge shake is lost; reduce the wire broken rate of film silk, improve the service life of film silk and membrane module.
The membrane module center is provided with central support tube, and this stay pipe promptly plays a part the support membrane assembly, can purge the air aeration pipe of film silk again as membrane module.The oblique air inlet of perforate on the aeration tube is directed downwards miter angle, can avoid the film silk to purge the mud of shaking off and in the process of sedimentation pore be stopped up.Closeer by the perforate of inlet end on the central support tube, the sweep gas scale of construction is relatively more sufficient, and the mud that sedimentation can be shaken off in the mud that adheres on the film silk and membrane module top effectively purges removal.
The advantage that the structural design of membrane module has concentrated existing sheet curtain type film assembly be difficult for to pollute and column-type film components membrane filtration area is big is in one, a plurality of wispy film tow are formed a membrane module, it is low effectively to have solved big film tow air purge coverage rate, the film silk is difficult for shake and removes the mud that adheres to, the shortcoming that the membrane module contamination resistance is low, also solve the laminar film assembly and taken up room greatly the shortcoming that the filter membrane area is little.The membrane stack that this patent membrane module is formed has been realized the maximization of filter membrane area in the taking up room of minimum, effectively solved the antipollution problem of membrane module simultaneously again.
The assembling of membrane module and magnitude unit, membrane stack all is to design by quick connection, unit-modularized theory, adopt thread, connect soon, loose joint etc. assembles, loaded down with trivial details operation and outfit that energy minimizing equipment is installed alleviate workman's the amount of labour, accelerate the installation progress of engineering.Adopt unit-modularized design simultaneously, be convenient to the maintenance management and the replacement of component of system.
The above record only for utilizing the embodiment of the technology of the present invention content, anyly is familiar with modification, the variation that this skill person uses the present invention to do to do, and all belongs to the claim that the present invention advocates, and is not limited to the scope that embodiment discloses.
Claims (9)
1, a kind of immersion hollow fiber film assembly, it is characterized in that: this fiber film component is made up of film tow, film end socket and central support tube, described film tow is at least four bundles, be distributed in around the central support tube, film tow two ends are respectively equipped with a film end socket, one of them film end socket is the air inlet end socket, and another is for producing the water seal head.
2, immersion hollow fiber film assembly according to claim 1, it is characterized in that: described film end socket is made up of casting sleeve pipe and end socket outer tube, and the sleeve pipe of wherein casting adopts the casting of two secondary clearings, in the water side, upper strata by delivery port is an epoxy resin layer, and lower floor is a layer of polyurethane; At inlet end, leaning on the lower floor of air inlet is epoxy resin layer, and the upper strata is a layer of polyurethane.
3, immersion hollow fiber film assembly according to claim 1; it is characterized in that: described film tow is with the soft synnema net of diaphragm silk respectively at the two ends near the film end socket; film tow two ends are fixed in the casting sleeve pipe with soft synnema net casting respectively; the epoxy resin layer of casting sleeve pipe is with the sealing of casting together of the two-port of film silk; layer of polyurethane 5-10mm is imbedded in soft synnema net casting, exposes the outer 15-20mm of cast layer.
4, the immersion hollow fiber film assembly of stating according to claim 2, it is characterized in that: described casting outside of sleeve wall has external screw teeth, the end socket outer tube has internal screw thread with the position that the casting sleeve pipe is connected, and casting sleeve pipe and end socket outer tube can be connected fixing by the thread rotation; On the lateral wall of described end socket outer tube and air inlet pipe or outlet pipe connecting portion external screw teeth is arranged, can be connected and fixed by loose joint, be respectively arranged with the O RunddichtringO between end socket outer tube and air inlet pipe or outlet pipe with air inlet pipe or outlet pipe.
5, immersion hollow fiber film assembly according to claim 1, it is characterized in that: the two ends of described central support tube cast in casting sleeve pipe center respectively, support that at the distolateral center of water outlet the mouth of pipe is sealed by casting resin, the distolateral center of air inlet supports the mouth of pipe to open wide, described central support tube on the axial direction around be distributed with by close to thin pore to the water side by inlet end, air vent aperture 1-2mm, oblique airintake direction.
6, immersion hollow fiber film assembly according to claim 1 is characterized in that: the film tow of described membrane module is made up of the 4-12 bundle, preferred 6-8 bundle film tow.
7, according to claim 1 or 6 described immersion hollow fiber film assemblies, it is characterized in that: described film tow is made up of the hollow-fibre membrane silk of 100-300 bar, film filament length degree 600-1500mm, the preferred film tow is made up of 150-200 bar film silk, film filament length degree 1000-1200mm.
8, a kind of immersion hollow fiber film assembly complete set of equipments, it is characterized in that: this equipment is made up of several membrane module big units, the collector pipe of each membrane module big unit is connected with the water header of membrane stack, and the air inlet pipe of each big unit is connected with the inlet manifold of membrane stack; Described membrane module big unit is to be combined into by several membrane module junior units, and the branched pipe unification of catchmenting of each junior unit is connected on the collector pipe of big unit, and the air inlet branched pipe unification of each junior unit is connected on the air inlet pipe of big unit; Described membrane module junior unit is made up of 2-5 membrane module, and the water side unification of membrane module is fixed on the branched pipe that catchments of junior unit, and the inlet end unification of membrane module is fixed on the air inlet branched pipe of junior unit.
9, immersion hollow fiber film assembly complete set of equipments according to claim 8, it is characterized in that: described membrane module junior unit is made up of 3 membrane modules, and described membrane module complete set of equipments is arranged to tired up and down folded double-deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910110831 CN101497000B (en) | 2009-01-08 | 2009-01-08 | Immersion type hollow fiber membrane component and complete equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910110831 CN101497000B (en) | 2009-01-08 | 2009-01-08 | Immersion type hollow fiber membrane component and complete equipment thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101497000A true CN101497000A (en) | 2009-08-05 |
| CN101497000B CN101497000B (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910110831 Active CN101497000B (en) | 2009-01-08 | 2009-01-08 | Immersion type hollow fiber membrane component and complete equipment thereof |
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| CN (1) | CN101497000B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631841A (en) * | 2012-03-02 | 2012-08-15 | 北京坎普尔环保技术有限公司 | Membrane filter with double filtration |
| CN102847438A (en) * | 2011-06-29 | 2013-01-02 | 苏州顶裕水务科技有限公司 | Membrane module for MBR having central tube |
| CN102872720A (en) * | 2012-10-15 | 2013-01-16 | 杭州水处理技术研究开发中心有限公司 | Membrane stack combined structure of reverse osmosis device |
| CN103739113A (en) * | 2013-12-19 | 2014-04-23 | 江苏北辰环境科技有限公司 | Gas-water mixed membrane ultrafiltration device |
| CN103754919A (en) * | 2013-12-30 | 2014-04-30 | 广西大学 | Hollow fiber membrane reactor for producing nano calcium carbonate and equipment |
| CN105056762A (en) * | 2015-07-30 | 2015-11-18 | 北京思维力科技发展有限公司 | Seven-pore ultrafiltration membrane, ultrafiltration core and ultrafiltration water purifier |
| CN110066007A (en) * | 2019-04-30 | 2019-07-30 | 广州细润环保科技有限公司 | Filter element, membrane stack reactor, column reactor and its manufacturing method |
| CN112093303A (en) * | 2020-08-19 | 2020-12-18 | 永安智慧科技(杭州)有限公司 | Membrane type water seal device and storage tank waste gas collecting system and method using same |
| CN114044569A (en) * | 2021-09-06 | 2022-02-15 | 上海威德环保有限公司 | Pressure membrane bioreactor |
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| CN2744398Y (en) * | 2004-11-04 | 2005-12-07 | 浙江欧美环境工程有限公司 | Immersion ditch type gas distributing hollow fiber membrane assembly |
| JP2008259978A (en) * | 2007-04-13 | 2008-10-30 | Daicel Chem Ind Ltd | Hollow fiber membrane element, and hollow fiber membrane module using the same |
| CN100542656C (en) * | 2007-12-14 | 2009-09-23 | 天津膜天膜科技有限公司 | Both-end produces water immersion hollow fiber film assembly |
| CN201342322Y (en) * | 2009-01-08 | 2009-11-11 | 厦门绿邦膜技术有限公司 | Submerged hollow fiber membrane module and complete equipment employing same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102847438A (en) * | 2011-06-29 | 2013-01-02 | 苏州顶裕水务科技有限公司 | Membrane module for MBR having central tube |
| CN102631841A (en) * | 2012-03-02 | 2012-08-15 | 北京坎普尔环保技术有限公司 | Membrane filter with double filtration |
| CN102872720A (en) * | 2012-10-15 | 2013-01-16 | 杭州水处理技术研究开发中心有限公司 | Membrane stack combined structure of reverse osmosis device |
| CN103739113A (en) * | 2013-12-19 | 2014-04-23 | 江苏北辰环境科技有限公司 | Gas-water mixed membrane ultrafiltration device |
| CN103754919A (en) * | 2013-12-30 | 2014-04-30 | 广西大学 | Hollow fiber membrane reactor for producing nano calcium carbonate and equipment |
| CN103754919B (en) * | 2013-12-30 | 2015-04-22 | 广西大学 | Hollow fiber membrane reactor for producing nano calcium carbonate and equipment |
| CN105056762A (en) * | 2015-07-30 | 2015-11-18 | 北京思维力科技发展有限公司 | Seven-pore ultrafiltration membrane, ultrafiltration core and ultrafiltration water purifier |
| CN105056762B (en) * | 2015-07-30 | 2018-09-21 | 北京加立技术有限公司 | A kind of seven apertures in the human head ultra filtration filter membrane, ultra-filtration element and ultra-filtration water purifier |
| CN110066007A (en) * | 2019-04-30 | 2019-07-30 | 广州细润环保科技有限公司 | Filter element, membrane stack reactor, column reactor and its manufacturing method |
| CN110066007B (en) * | 2019-04-30 | 2022-02-01 | 广州细润环保科技有限公司 | Filtration unit, membrane reactor, column reactor and method for manufacturing the same |
| CN112093303A (en) * | 2020-08-19 | 2020-12-18 | 永安智慧科技(杭州)有限公司 | Membrane type water seal device and storage tank waste gas collecting system and method using same |
| CN112093303B (en) * | 2020-08-19 | 2022-07-19 | 江苏全卓软件科技有限公司 | Membrane type water sealer and storage tank waste gas collecting system and method using same |
| CN114044569A (en) * | 2021-09-06 | 2022-02-15 | 上海威德环保有限公司 | Pressure membrane bioreactor |
| CN114044569B (en) * | 2021-09-06 | 2023-09-08 | 上海威德环保有限公司 | Pressure membrane bioreactor |
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| CN101497000B (en) | 2012-12-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ASS | Succession or assignment of patent right |
Owner name: XIAMEN LVBANG MEMBRANCE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WANG JUNCHUAN Effective date: 20090605 |
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