CN100500271C - Making method and device for reinforced composite material hollow membrane - Google Patents
Making method and device for reinforced composite material hollow membrane Download PDFInfo
- Publication number
- CN100500271C CN100500271C CNB2007100575390A CN200710057539A CN100500271C CN 100500271 C CN100500271 C CN 100500271C CN B2007100575390 A CNB2007100575390 A CN B2007100575390A CN 200710057539 A CN200710057539 A CN 200710057539A CN 100500271 C CN100500271 C CN 100500271C
- Authority
- CN
- China
- Prior art keywords
- fabric
- manufacture method
- composite material
- membrane
- coating
- 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
Images
Abstract
The invention relates to a reinforced compound material hollow film manufacturing method and equipment, comprising knitting three dimensional tubular reinforcement fiber, with through-hole processing for the reinforcement fiber, conveying the it to the compound area, coating the outer surface of the reinforcement fiber with polyvinylidene fluoride in the temperature of 25-80deg.C, viscosity of 4000-8000 cpa, sending the fiber into drench solution for solidification to form into reinforced compound material hollow film. It applies to the manufacturing of detwisting roller, through hole machine, conveyer machine, coating compound machine and the drive mechanism and control mechanism connected to them.
Description
Technical field
The present invention relates to the composite membrane manufacturing technology, be specially a kind of 3 D stereo braided material and compound mode of polyvinylidene fluoride material utilized, produce the manufacture method and the equipment of enhanced type composite material hollow membrane, international monopoly Main classification number plan is Int.C1.B01D69/00 (2006.01).
Background technology
The doughnut membrane separation technique is to utilize the infiltrative difference of each components selection in the mixture to realize the new separation technology that separates, purifies and concentrate, have advantages such as energy consumption is low, separating property good, non-secondary pollution, obtained applying on a large scale in the processing reuse projects such as sanitary sewage, petrochemical industry and textile waste of having stable political situation in the city.
Membrane material, (referring to Chinese patent literature CN1128176) is being used for the hollow fiber membrane device running as the Kynoar hollow-fibre membrane, for removing dirt attached to the membrane material surface, need to adopt the inside and outside two operating procedures of washing of air-flow vibration, membrane material is cleaned.In cleaning process, membrane material is shaken under the double action of current and air-flow, and reaching cleaning performance preferably, but membrane material will bear bigger external force simultaneously, causes the infringement of membrane material easily, even fracture, loses its usefulness.Especially at some abominable technique for applying, in membrane bioreactor (MBR) The Application of Technology process, membrane material obviously exists the insufficient strength height, and the part is prone to the phenomenon of fracture of wire, has influenced its effect and service life to a great extent.Someone has studied a kind of composite diffusion barrier (referring to patent documentation: JP52-081076, US5472607), it is compounded in perforated membrane the outer surface of hollow cotton rope (reinforcing material), to improve the intensity of membrane material, but the composite membrane of this enhancing effect exists water permeability to reduce, and perforated membrane such as easily peels off at new technical problem.The somebody has studied a kind of composite porous film and manufacture method (referring to Chinese patent literature CN1711128) thereof, its adopts the technology that applies two-layer compacted zone at the cotton rope outer surface, solving the coating problem that comes off easily, but this method complex technical process, cost is higher, is difficult to actual popularization.
From producing or the manufacturing equipment angle; present enhancing fabric composite membrane is made or separate unit operation mechanization production for the people has a rest break substantially; the hollow tubular fabric that is for example woven is in preparation; storage; transport etc. can be extruded under external force inevitably in the process and be flat form; directly coating is compound; therefore needing that it is done through hole handles; and through hole does not have special through hole equipment; can only be by manually handling; inefficiency; labour intensity is big; difficult quality guarantee makes that also the manufacturing that strengthens the fabric composite membrane can not realize serialization, can not large-scale production.In the scope of applicant's retrieval,, quantity-produced do not appear in the newspapers as yet but strengthening fabric composite membrane manufacturing equipment.
Summary of the invention
At the deficiencies in the prior art, the technical problem that quasi-solution of the present invention is determined is, a kind of manufacture method and equipment of enhanced type composite material hollow membrane are provided, this manufacture method is under the prerequisite that keeps original PVDF membrane material filtering technique characteristic, it is compounded in the outside that 3 D stereo weaves hollow fabric, produces the high strength hollow membrane of composite construction, it is simple to have manufacturing process, cost is lower, is suitable for the actual characteristics of applying.This device structure is simple, can realize that unwinding, through hole, conveying, the coating of enhanced type composite material hollow membrane, the serialization of technical process such as solidifying, batching manufacture, and has that cost is low, efficient is high, the characteristics of controllable product quality.The hollow membrane of gained has high toughness and intensity, anti-cleaning, and the life-span is long, can keep the intrinsic isolated by filtration performance of polyvinylidene fluoride film simultaneously.
The technical scheme that the present invention solves described manufacture method technical problem is: design a kind of manufacture method of enhanced type composite material hollow membrane, this manufacture method comprises:
1. the braiding wall thickness is the 3 D stereo tubulose enhancing fabric of 0.5-1.5mm, strengthens the suffered pulling force of fabric during braiding and is controlled at below the 0.5N; It is characterized in that this manufacture method also comprises following technology:
2. do the through hole processing to strengthening fabric, be the hollow pipe state;
3. keeping being transported to the recombination region under the described enhancing fabric hollow pipe state, in the recombination region is temperature that 25--80 ℃, viscosity are that the Kynoar coating solution of 4000-8000 li of handkerchief evenly is coated in the outer surface that described hollow pipe state strengthens fabric, makes the composite reinforced fabric with polyvinylidene fluoride coating; The THICKNESS CONTROL of described Kynoar solution coatings is at 0.1-1mm;
4. described composite reinforced fabric is sent into and solidified moulding in 24 hours in the pure water, make the enhanced type composite material hollow membrane; The temperature of described pure water is 25-70 ℃.
The technical scheme that the present invention solves described manufacturing equipment technical problem is, design a kind of enhanced type composite material hollow membrane manufacturing equipment, it is characterized in that it is applicable to the manufacture method of enhanced type composite material hollow membrane of the present invention, comprise: one at least three layers stirrup frame be mounted on withdrawal roller on the frame, through-hole machine, conveyer, coating compounding machine by the process route sequential machine, solidify groove, up-coiler and takers-in and they be connected transmission mechanism and controlling organization, described withdrawal roller is installed in the middle level of frame; Described conveyer comprises by strengthening the three group conveying rollers that fabric delivery technology route is arranged at least: first conveying roller, second conveying roller and the 3rd conveying roller, and described first conveying roller and the 3rd conveying roller are installed in the upper strata of frame, and described second conveying roller is installed in the middle level of frame; Described curing groove is installed on the ground of frame below; Described up-coiler comprises at least three group live-rollers of arranging by process route: first live-roller, second live-roller and the 3rd live-roller, and described first live-roller and the 3rd live-roller are installed in the described curing groove, and described second live-roller is installed in the middle level or the upper strata of frame; Described takers-in is installed in the top of described curing groove or the middle level of frame.
Compared with prior art, the maximum characteristics of the manufacture method of enhanced type composite material hollow membrane of the present invention are to utilize through hole technology and complex technique that 3 D stereo woven tubular fabric and Kynoar is effectively compound, produce high-intensity composite hollow fiber membrane continuously.Braiding in the hollow membrane of the present invention strengthens fabric and has good toughness, intensity, water penetration, play the supporting layer effect, mainly bear external force, can obviously avoid film wire material phenomenon of rupture in use, and membrane material still keeps good isolated by filtration effect; Braiding simultaneously strengthens fabric and also can be used as the guide passage that filters the back clear water.
Description of drawings
Fig. 1 is the process flow diagram of enhanced type composite material hollow membrane manufacture method of the present invention;
Fig. 2 is the manufacture method of enhanced type composite material hollow membrane of the present invention and the operation principle schematic diagram of corollary equipment.
The specific embodiment
Further narrate the present invention below in conjunction with embodiment and accompanying drawing thereof, but the present invention is not subjected to the restriction of embodiment:
The manufacture method (hereinafter to be referred as manufacture method, referring to Fig. 1) of the enhanced type composite material hollow membrane of the present invention's design (hereinafter to be referred as strengthening film), this manufacture method comprises:
1 braiding wall thickness is that the 3 D stereo tubulose of 0.5-1.5mm strengthens fabric, strengthens the suffered pulling force of fabric during braiding and is controlled at below the 0.5N; It is characterized in that this manufacture method also comprises following technology:
2 pairs of enhancing fabrics are done through hole and are handled, and are the hollow pipe state;
3 are keeping being transported to the recombination region under the described enhancing fabric hollow pipe state, in the recombination region is temperature that 25--80 ℃, viscosity are that the Kynoar coating solution of 4000-8000 li of handkerchief evenly is coated in the outer surface that described hollow pipe state strengthens fabric, makes the composite reinforced fabric with polyvinylidene fluoride coating; The THICKNESS CONTROL of described Kynoar solution coatings is at 0.1-1mm;
4 send into described composite reinforced fabric in the immersion fluid and to solidify moulding in 24 hours, make the enhanced type composite material hollow membrane; The temperature of described immersion fluid is 25-70 ℃.
Manufacture method of the present invention comprises: strengthen the delivery technology of the weaving of fabric, the through hole that strengthens fabric or chambering process, enhancing fabric, the coating combination process that strengthens fabric, the processes such as curing process and product coiling technique of immersing of coating material.Except that described enhancing weaving textile technology, other each technical process both can relatively independently be operated, and also can partly or entirely interconnect, and coordinated continuous operation successively, finished the manufacturing of enhanced type composite material hollow membrane of the present invention.The manufacture method of the embodiment of the invention is except that strengthening weaving textile technology, and all the other technical process are carried out continuously.Obviously, the process of carrying out continuously is more complicated.
The described weaving of manufacture method of the present invention is meant that tubular, hollow strengthens the 3 D stereo weaving of fabric.This enhancing weaving textile technology is prior art.The enhancing fabric of the embodiment of the invention is to adopt common compound polyester filament of 22tex to 88tex or polypropylene filament yarn, carries out 3 D stereo respectively and weave and get on 16 ingots, 24 ingot braiders.The enhancing fabric that is woven is that internal diameter is that Φ 0.8-Φ 2.5mm, pipe thickness are the hollow tubular fabric (referring to embodiment 1-3) of 0.1-0.3mm.Strengthen the thickness of the used fiber of fabric and the size of fabric pipe warp and the thickness of tube wall and depend on the designing requirement that strengthens film.Generally speaking, described enhancing weaving textile technology can relatively independently be operated.The enhancing fabric warrping coiled bobbin that is woven is standby.
The described via process of manufacture method of the present invention be meant utilize artificial or mechanical means the unwinding of described enhancing fabric, and it logical expansion of flat form during by coiling/unwinding is hollow pipe state (fabric cross section is shaped as annular or is approximately annular), and keep its hollow pipe state.Be flat form because the hollow tubular fabric that is woven regular meeting in process such as preparing, store, transport is extruded under external force, therefore need to do through hole and handle, make its formation and keep shape of cross section to be approximately the hollow pipe state of annular it.When adopting the manual method through hole, described via process and its front and back technology are discontinuous or semi-continuous operation.When adopting the mechanical means through hole, described via process and its front and back technology are continued operation, but need design special through-hole machine or through hole device.The through-hole machine of the embodiment of the invention or through hole device separate case are filed an application.
The described delivery technology of manufacture method of the present invention be meant utilize artificial or mechanical method the good enhancing fabric of through hole at the coating combination process that guarantees to transport under its hollow tubular form to thereafter.When delivery technology adopts manual method to carry described hollow tubular to strengthen fabric, can be attached thereto its outrunner worker's via process, promptly the good described hollow tubular of artificial through hole is strengthened fabric and directly feed the coating compounding machine.And when adopting mechanical means to carry described enhancing fabric, then need to design conveyer or conveying mechanism.Described conveyer or conveying mechanism should satisfy following technological requirement: guarantee that the hollow tubular fabric is subjected to pulling force little, can not be out of shape it; Guarantee that tubing correctly transmits by certain process speed.
The described coating combination process of manufacture method of the present invention is meant the technology that applies composite on the outer surface of described hollow tubular enhancing fabric or outer fabric.The described coating composite of the embodiment of the invention is that Kynoar (PVDF) applies or coating solution.The coating layer thickness of coating solution is definite according to the designing requirement that strengthens film, and relevant with the pipe thickness that strengthens fabric.The viscosity that generally requires the PVDF coating solution is 4000-8000 li of handkerchief, and coating layer thickness is controlled at 0.1-0.5mm.The PVDF coating layer thickness of embodiment is 0.1-0.3mm.
The described coating of manufacture method of the present invention is limited to outer surface or the outer fabric that strengthens fabric, be different from and strengthen fabric by complete compound hollow membrane, its advantage is in the good membrane filtration centrifugation of maintenance, help increasing elasticity and the toughness that strengthens film, avoid the fracture in use of film wire material, internal layer braiding simultaneously strengthens fabric and also can be used as the guide passage that filters the back clear water, is beneficial to compiling and deriving of clear water.
Described coating combination process can be finished by coating compounding machine or device.Compounding machine makes Kynoar (PVDF) material strengthen on the fabric with the hollow tubular that the thickness that requires is compounded in described 3 D stereo braiding.The coating compounding machine of the embodiment of the invention is applicable to prior art.
Manufacture method of the present invention is described to be immersed curing process and is meant and the compound good enhancing fabric (composite filament) of coating is sent in the immersion fluid of solidifying groove the technology that described coating compound fabric is solidified.Described immersion fluid is meant the coagulating bath that coating composite material is solidified.It is immersion fluid or coagulating bath that embodiment has adopted pure water.The temperature of immersion fluid should be controlled at 25-70 ℃.The time of staying of composite filament in described immersion fluid is more than 24 hours, to guarantee good composite curing.The enhancing fabric that composite curing is good is the enhanced type composite material hollow membrane that the inventive method is made.The enhancing film of gained can wind up by product requirement.The up-coiler of embodiment is a prior art, can be installed in the described curing groove, the process speed of coiling machine be 0.3-1.5 rice/minute.Product should soak in immersion fluid 24 hours after reeling.
The corollary equipment of manufacture method of the present invention is called enhancing film compounding machine.Except that described enhancing weaving textile technology, strengthen that the film compounding machine can realize strengthening unwinding, through hole, conveying, the coating of film, the serialization of technical process such as solidifying, batching is manufactured.Described enhancing film compounding machine is applicable to the manufacture method of enhancing film of the present invention.As an embodiment, it comprises (referring to Fig. 2): comprising: one at least three layers stirrup frame 2 be mounted on withdrawal roller 1 on the frame 2, through-hole machine 3, conveyer 5, coating compounding machine 6 by the process route sequential machine, solidify groove 7, up-coiler 8 and takers-in 9 and they be connected transmission mechanism and controlling organization, described withdrawal roller 1 is installed in the middle level of frame 2; Described conveyer 5 comprises by strengthening the three group conveying rollers that fabric delivery technology route is arranged at least: first conveying roller 51, second conveying roller 52 and the 3rd conveying roller 53, and described first conveying roller 51 and the 3rd conveying roller 53 are installed in the upper strata of frame 2, and described second conveying roller 52 is installed in the middle level of frame 2; Described curing groove 7 is installed on the ground of frame 2 belows; Described up-coiler 8 comprises at least three group live-rollers of arranging by process route: first live-roller 81, second live-roller 82 and the 3rd live-roller 83, and described first live-roller 81 and the 3rd live-roller 83 are installed in the described curing groove 7, and described second live-roller 82 is installed in the middle level or the upper strata of frame 2; Described takers-in 9 is installed in the top of described curing groove 7 or the middle level of frame 2.
The operation principle and the process of manufacture method of the present invention and corollary equipment following (referring to Fig. 1,2): at first the designing requirement by described enhancing film weaves described enhancing fabric, and winding; Strengthen the relatively independent process procedure that is woven to of fabric.Unwinding feeds the good described enhancing fabric of described package on the withdrawal roller 1 of the frame 2 that strengthens the film compounding machine then; It is circular state by logical expansion of flat form that described enhancing fabric makes its endoporus through through-hole machine 3, becomes the enhancing fabric of hollow pipe state; Under the situation that keeps its circular hollow tube state, the at least three group conveying rollers of described enhancing fabric by described conveyer 5: the transmission of first conveying roller 51, second conveying roller 52 and the 3rd conveying roller 53 is input in the coating compounding machine 6 (recombination region) with making described enhancing fabric stability; Described first conveying roller 51, second conveying roller 52 and the 3rd conveying roller 53 are arranged by the delivery technology route that strengthens fabric, and described first conveying roller 51 and the 3rd conveying roller 53 are installed in the upper strata of frame 2, and second conveying roller 52 is installed in the middle level of frame 2, makes the circuitous up and down operation of the delivery technology route that strengthens fabric; In coating compounding machine 6, preset the Kynoar solution that the viscosity for preparing is 4000-8000 li of handkerchief, Kynoar solution evenly is coated on the outer surface or outer fabric of described enhancing fabric by coating compounding machine 6, realize the effectively compound of two kinds of materials, make composite reinforced fabric 4, or claim composite filament 4 with polyvinylidene fluoride coating; Again described composite reinforced fabric 4 is sent into and solidified the certain hour moulding in the immersion fluid of solidifying 7 li of grooves.The curing groove 7 of embodiment design is installed on the ground, below of described frame 2, in solidifying groove 7, inject immersion fluid (immersion fluid embodiment is a pure water), described immersion fluid temperature should be controlled at 25-70 ℃, and composite filament 4 was kept somewhere 24 hours in the immersion fluid of solidifying groove 7, to guarantee PVDF and to strengthen the outer surface of fabric or combining closely of outer fabric, coagulation forming, composite quality is good, makes enhanced type composite material hollow of the present invention (fiber) film.
For guarantee that composite filament 4 keeps or the operation regular hour in solidifying groove 7, the up-coiler 8 of embodiment has designed three groups of live-rollers arranging by process route at least: first live-roller 81, second live-roller 82 and the 3rd live-roller 83, and first live-roller 81 and the 3rd live-roller 83 are installed in the described curing groove 7, and second live-roller 82 is installed in the last middle level or the upper strata of frame 2, it is stable that at least three group live-rollers of circuitous design can guarantee that time enough solidifies described composite filament 4 gradually, become the second best in quality enhancing film, simultaneously gained is strengthened that film is directed to and on takers-in 9 coiling and molding, become product and strengthen film.The winding speed of takers-in 9 be designed to 0.3-1.5 rice/minute.
Utilize manufacture method of the present invention and equipment, can continuously produce described enhancing film.The enhancing film shape of cross section of gained of the present invention is the annular of internal diameter Φ 0.8-Φ 4.5mm, wall thickness 0.3-1.2mm, and quality is even, elasticity is good, and powerful higher, the life-span is longer, anti-cleaning has kept isolated by filtration performances such as the intrinsic penetrating amount of polyvinylidene fluoride film is big simultaneously.
Manufacture method of the present invention is not addressed part and is applicable to prior art.
Provide the specific embodiment of manufacture method of the present invention below:
Embodiment 1
Adopt the common compound polyester filament of 22tex, on the braider of 16 ingots, carry out the 3 D stereo braiding; The enhancing fabric internal diameter that braiding is good is that Φ 1.0mm, pipe thickness are the hollow tubular fabric of 0.1mm; Utilize equipment of the present invention and manufacture method, order through through hole, compound, treatment process such as immerse, can produce described enhancing film.The temperature of described recombination region coating solution is that 30 ℃, viscosity are 4000 lis of handkerchiefs; The temperature of described immersion fluid is 30 ℃; Described coiling speed is 0.4 meter/minute; The coating layer thickness of the compound hollow-fibre membrane of described high strength is 0.2mm, and internal diameter is 1.0mm; It is that internal diameter is that Φ 1.0mm, wall thickness are the annular of 0.3mm that gained strengthens the film shape of cross section.
Embodiment 2
Adopt the common compound polyester filament of 88tex, on the braider of 24 ingots, carry out the 3 D stereo braiding.The enhancing fabric that is woven is that internal diameter is Φ 2mm, and pipe thickness is the hollow tubular fabric of 0.4mm; Utilize equipment of the present invention and manufacture method, order through through hole, compound, treatment process such as immersing, can to produce coating layer thickness be 0.4mm, internal diameter is the compound hollow-fibre membrane of the high strength of 2mm.The temperature of described recombination region coating solution is that 50 ℃, viscosity are 5500 lis of handkerchiefs; The temperature of described immersion fluid is 40 ℃; Described coiling speed is 1.2 meters/minute; It is that internal diameter is that Φ 2.0mm, wall thickness are the annular of 0.8mm that gained strengthens the film shape of cross section.
Embodiment 3
Adopt the common compound polypropylene filament yarn of 66tex, on the braider of 24 ingots, carry out the 3 D stereo braiding.The enhancing fabric that is woven is that internal diameter is Φ 1.8mm, and pipe thickness is the hollow tubular fabric of 0.3mm.Utilize equipment of the present invention and manufacture method, order through through hole, compound, treatment process such as immersing, can to produce coating layer thickness be 0.3mm, internal diameter is the compound hollow-fibre membrane silk of the high strength of 1.8mm.The temperature of described recombination region coating solution is that 80 ℃, viscosity are 7000 lis of handkerchiefs; The temperature of described immersion fluid is 60 ℃; Described coiling speed is 0.8 meter/minute; It is that internal diameter is that Φ 1.8mm, wall thickness are the annular of 0.6mm that gained strengthens the film shape of cross section.
Claims (2)
1. the manufacture method of an enhanced type composite material hollow membrane, this manufacture method comprises:
(1) the braiding wall thickness is the 3 D stereo tubulose enhancing fabric of 0.5-1.5mm, strengthens the suffered pulling force of fabric during braiding and is controlled at below the 0.5N; It is characterized in that this manufacture method also comprises following technology:
(2) do the through hole processing to strengthening fabric, be the hollow pipe state;
(3) keeping being transported to the recombination region under the described enhancing fabric hollow pipe state, in the recombination region is temperature that 25--80 ℃, viscosity are that the Kynoar coating solution of 4000-8000 li of handkerchief evenly is coated in the outer surface that described hollow pipe state strengthens fabric, makes the composite reinforced fabric with polyvinylidene fluoride coating; The THICKNESS CONTROL of described Kynoar solution coatings is at 0.1-1mm;
(4) described composite reinforced fabric is sent into curing moulding in 24 hours in the pure water, made the enhanced type composite material hollow membrane; The temperature of described pure water is 25-70 ℃.
2. enhanced type composite material hollow membrane is characterized in that it adopts the described manufacture method of claim 1 to make, and the enhanced type composite material hollow membrane shape of cross section of gained is the annular of internal diameter Φ 0.8-Φ 4.5mm, wall thickness 0.3-1.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100575390A CN100500271C (en) | 2007-06-05 | 2007-06-05 | Making method and device for reinforced composite material hollow membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100575390A CN100500271C (en) | 2007-06-05 | 2007-06-05 | Making method and device for reinforced composite material hollow membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101058059A CN101058059A (en) | 2007-10-24 |
| CN100500271C true CN100500271C (en) | 2009-06-17 |
Family
ID=38864452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100575390A Active CN100500271C (en) | 2007-06-05 | 2007-06-05 | Making method and device for reinforced composite material hollow membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100500271C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102365125B (en) * | 2009-03-26 | 2015-07-08 | Bl科技公司 | Non-braided reinforced hollow fibre membrane |
| CN101658763B (en) * | 2009-09-14 | 2011-08-24 | 天津工业大学 | Equipment based on LabView control for coating hollow fiber membrane |
| CN102240509A (en) * | 2010-05-10 | 2011-11-16 | 武汉美克安波科技有限公司 | Composite hollow fiber film preparation method based on on-line braiding-phase transfer moulding |
| CN103210136B (en) * | 2010-09-16 | 2016-04-06 | 三菱丽阳株式会社 | The manufacturing installation of the manufacture method of hollow fiber membrane tablet, the manufacture method of hollow fiber membrane module and hollow fiber membrane tablet |
| CN102688698B (en) * | 2012-05-22 | 2014-08-13 | 北京碧水源膜科技有限公司 | Method and device for producing enhanced hollow fiber membrane |
| CN106268361B (en) * | 2016-09-06 | 2020-03-20 | 南京佳乐净膜科技有限公司 | Enhanced hollow fiber membrane lining pretreatment method |
| CN108796639A (en) * | 2018-08-01 | 2018-11-13 | 宁波建嵘科技有限公司 | A kind of receive silk machine |
| CN114247296A (en) * | 2021-12-22 | 2022-03-29 | 江苏滤盾膜科技有限公司 | Liner-reinforced non-coating homogeneous composite film and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5472607A (en) * | 1993-12-20 | 1995-12-05 | Zenon Environmental Inc. | Hollow fiber semipermeable membrane of tubular braid |
| CN1683059A (en) * | 2005-03-03 | 2005-10-19 | 上海一鸣过滤技术有限公司 | Reinforced hollow fiber super filter film and its preparing method |
| CN1695777A (en) * | 2005-03-30 | 2005-11-16 | 天津大学 | Method for fabricating fiber reinforcement type microporous filter membranes of hollow fiber made from polyvinylidene fluoride |
-
2007
- 2007-06-05 CN CNB2007100575390A patent/CN100500271C/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5472607A (en) * | 1993-12-20 | 1995-12-05 | Zenon Environmental Inc. | Hollow fiber semipermeable membrane of tubular braid |
| CN1683059A (en) * | 2005-03-03 | 2005-10-19 | 上海一鸣过滤技术有限公司 | Reinforced hollow fiber super filter film and its preparing method |
| CN1695777A (en) * | 2005-03-30 | 2005-11-16 | 天津大学 | Method for fabricating fiber reinforcement type microporous filter membranes of hollow fiber made from polyvinylidene fluoride |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101058059A (en) | 2007-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100500271C (en) | Making method and device for reinforced composite material hollow membrane | |
| CN103501881B (en) | The hollow-fibre membrane that monofilament strengthens | |
| CN107596928B (en) | Homogeneous fiber reinforced PVDF hollow fiber membrane and preparation method thereof | |
| AU2010265772B2 (en) | Non-braided, textile-reinforced hollow fiber membrane | |
| US8827085B2 (en) | Monofilament-reinforced hollow fiber membrane | |
| CN107913603B (en) | Braided tube reinforced hollow fiber membrane, and preparation device and production process thereof | |
| KR20130137188A (en) | Supported hollow fiber membrane | |
| WO2008066340A1 (en) | Method and apparatus of manufacturing membrane using tubular support | |
| CN102658031A (en) | External filtering system for hollow fiber porous membrane bundle and technology thereof | |
| CN108355499A (en) | Double separating layer hollow fiber ultrafiltration membranes of the net containing tubular support and preparation method thereof | |
| CN202410531U (en) | Outer support enhancement type hollow fiber membrane | |
| CN114769059A (en) | A gumming device for producing thermosetting resin wire rod | |
| CN202638293U (en) | Woven reinforced hollow fiber membrane | |
| JP2016010792A (en) | Method for production of porous hollow fiber membrane of fiber-reinforced polyvinylidene fluoride | |
| CN102198372A (en) | Separating membrane and preparation method thereof | |
| CN106268361A (en) | A kind of enhancement type hollow fiber film liner and pretreating process | |
| HU231006B1 (en) | Composite hollow fiber membrane and method for manufacturing same | |
| CN108004650A (en) | Large scale Varying-thickness revolving body precast body and preparation method thereof | |
| CN207071332U (en) | A kind of equipment for preparing woven tube enhancement type hollow fiber film | |
| CN212467250U (en) | Volume extrusion type fiber filter | |
| KR20040018029A (en) | Spherical Filter For Water Treatment Device | |
| CN209771845U (en) | Multilayer composite fiber membrane filter assembly | |
| CN202538647U (en) | External filter system for hollow fiber porous membrane bundle | |
| CN216838557U (en) | Post-treatment device of MBR membrane silk lining crocheted support tube | |
| CN213388024U (en) | Wastewater treatment device for polyester yarn textile production |
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: MOTIAN FILM SCIENCE AND TECHNOLOGY CO., LTD., TIAN Free format text: FORMER OWNER: MOTIANMO ENGINEERING TECHNOLOGY CO., LTD., TIANJIN Effective date: 20100920 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300160 NO.63, CHENGLIN AVENUE, HEDONG DISTRICT, TIANJIN CITY TO: 300457 NO.60, AVENUE 11, ECONOMIC AND TECHNOLOGY DEVELOPMENT ZONE, TIANJIN CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100920 Address after: 300457 No. 11, 60 Avenue, Tianjin economic and Technological Development Zone Patentee after: Motian Film Science and Technology Co., Ltd., Tianjin Address before: 300160 Tianjin City Hedong District Forest Road No. 63 Patentee before: Motianmo Engineering Technology Co., Ltd., Tianjin |
|
| C56 | Change in the name or address of the patentee |
Owner name: TIANJIN MOTIMO MEMBRANE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: MOTIAN FILM SCIENCE AND TECHNOLOGY CO., LTD., TIANJIN |
|
| CP03 | Change of name, title or address |
Address after: 300457 No. eleventh, 60 Avenue, Tianjin economic and Technological Development Zone, Tianjin Patentee after: Tianjin Motimo Membrane Technology Co., Ltd. Address before: 300457 No. 11, 60 Avenue, Tianjin economic and Technological Development Zone Patentee before: Motian Film Science and Technology Co., Ltd., Tianjin |