CN104437094B - A kind of doughnut curtain type membrane packaging system and method - Google Patents
A kind of doughnut curtain type membrane packaging system and method Download PDFInfo
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- CN104437094B CN104437094B CN201410846193.2A CN201410846193A CN104437094B CN 104437094 B CN104437094 B CN 104437094B CN 201410846193 A CN201410846193 A CN 201410846193A CN 104437094 B CN104437094 B CN 104437094B
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Abstract
The present invention relates to water-treatment technology field, particularly relate to and disclose a kind of doughnut curtain type membrane packaging system, arranging tube for transfusion along liquid stream direction in the product water flow passage of its collector pipe, in tube for transfusion is coated on by encapsulation medium, tube for transfusion can be passed through loop temperature-control liquid.The invention also discloses a kind of doughnut curtain type membrane packaging technology, including: the logical hot water of circulation in tube for transfusion, liquid encapsulation medium is poured into；The logical cold water of circulation, inserts film silk, and lower end, film silk hole puts in encapsulation medium, and encapsulation medium starts rapid crystallization；Continue circulating chilled water, the complete fixed line of medium to be packaged, add epoxy resin glue；Standing treats that glue is fully cured, and opens and continues hot water circuit, reverting to liquid encapsulation medium, taking out tube for transfusion, by liquid encapsulation medium drain and clean, completes encapsulation.A kind of doughnut curtain type membrane packaging system of the present invention disposably encapsulates with method, it is not necessary to unnecessary cutting, and encapsulant is convenient to be taken out, and process costs is low, easily operates, and package strength is high.
Description
Technical field
The present invention relates to water-treatment technology field, particularly relate to a kind of doughnut curtain type membrane packaging system and method.
Background technology
In order to increase the film square number of unit are, increasing the aquifer yield of unit are, curtain diaphragm the most gradually eliminates single bundle formula, and changes full slice system into.The encapsulating structure of full slice system curtain type membrane includes collector pipe, if dry film silk and encapsulation glue.Wherein the structure of collector pipe be upper end be packed part, lower end is for producing water flow passage, middle in order to not reduce collector pipe width, it is ensured that film silk amount of fill, has one to be not more than step the widest for 5mm.Owing to hollow-fibre membrane is water outlet in single fenestra, the effect encapsulated is to use packaging plastic hydropexis, hollow fiber film thread fenestra not to block between many film silks, and film silk and collector pipe upper part are also fixed with encapsulation glue.And fenestra water outlet is the product water after filtering, using the lower end of collector pipe as runner, can not mix with sewage.So traditional packaging technology is: film silk is carried out the pre-packaged fenestra that cuts out with encapsulation glue and obtains pre-packaged body, bond to seal on the step of collector pipe by pre-packaged body again, encapsulation glue is added again from collector pipe opening part, the difficult point of this method maximum is the sealing of pre-packaged thing and collector pipe, easily when secondary encapsulation, glue drains in water production pipeline, and secondary encapsulation to be carried out, the various complexity of operation.
Now with a kind of new disposable packaging technology, i.e. produce in collector pipe lower end and in water flow passage, add one layer of encapsulant, be subsequently adding film silk and encapsulation glue, after glue curing to be packaged, take out encapsulant.But if solid encapsulation thing, it is impossible to sealed by intensive hollow fiber film thread, liquid encapsulation glue easily penetrates into from space after adding, closure collector pipe pipeline or film silk hole；If liquid-packing thing, smooth separatory face cannot be formed with liquid glue, and liquid exists rod-climbing effect, easily swashes inside film silk hole, cause package strength inadequate, such as: patent " method for packing (CN103495344A) of a kind of hollow fiber curtain type membrane component ", illustrate a kind of hollow fiber film assembly method for packing, add film silk, add encapsulant paraffin or chlorinated paraffin, ebonite and flexible glue, complete the encapsulation in collector pipe, it is not necessary to additionally cut.But this method operability is weak: first, how paraffin or chlorinated paraffin take out from collector pipe and do not explain, and the caliber of collector pipe is little, and length is long, solid matter take out difficulty from the inside the biggest；Secondly, it is solid-state under paraffin or chlorinated paraffin room temperature, is between intensive film silk, impossible form sealing function, if if dry film silk is not sealed by encapsulant, then add liquid ebonite and pass on collector pipe pipeline or plugging film silk hole.
Summary of the invention
For the deficiencies in the prior art, the present invention provides one can disposably complete encapsulation in collector pipe, it is not necessary to unnecessary cutting, encapsulant easy-clear, the doughnut curtain type membrane packaging system that easy to operate, packaging effect is good and method.
For achieving the above object, the present invention adopts the following technical scheme that:
A kind of doughnut curtain type membrane packaging system, collector pipe including hollow, a circle boss is had as encapsulation step in described collector pipe, encapsulation step upper part is packed part, encapsulation step enclosure is divided into product water flow passage, film silk inserts packed part, its end stretches into product water flow passage, glue injects packed part and is packaged film silk section therein, in described product water flow passage, tube for transfusion is set along liquid stream direction, tube for transfusion is coated on interior by the liquid producing water flow passage, and tube for transfusion can be passed through loop temperature-control liquid.
As preferably, described encapsulation medium can be changed rapidly along with the gradient of temperature of tube for transfusion temp liquid between solid-state and liquid.By the change of temperature control liquid temperature in tube for transfusion, the state being positioned at the encapsulation medium producing water flow passage can be changed, it is easy to film silk during liquid stretch into, glue is added during solid-state, recover again to remove during liquid, can accomplish disposably to complete in collector pipe encapsulation, it is not necessary to unnecessary cutting, encapsulation medium easy-clear, easy to operate, packaging effect good.
A kind of doughnut curtain type membrane packaging technology, uses a kind of doughnut curtain type membrane packaging system as claimed in claim 1, comprises the steps:
1) in tube for transfusion, circulation is passed through hot water, and hot water temperature is higher than encapsulation medium crystalline temperature, pours in collector pipe by liquid encapsulation medium, and height is 5 ~ 30mm, and described encapsulation medium temperature is also above its crystalline temperature；
2) in tube for transfusion, circulation is passed through cold water, and cold water temperature, less than the crystalline temperature of encapsulation medium, is inserted simultaneously into the film silk trimmed with blade, and lower end, film silk hole puts in 5 ~ 10mm in encapsulation medium, and encapsulation medium starts rapid crystallization；
3) continuing circulating chilled water 10 ~ 60min, body to be crystallized cools down completely, forms solid encapsulation medium, adds the epoxy resin glue that height is 35 ~ 40mm；
4) standing treats that glue is fully cured, open hot water circuit, the temperature of hot water is higher than the molten point of encapsulation medium, continue hot water circuit after 20 ~ 30 minutes, crystalline solid constantly melts and reverts to liquid encapsulation medium, takes out tube for transfusion, by liquid encapsulation medium drain out, and import pure water liquid encapsulation medium is cleaned up, complete encapsulation.
Crystallization process: material forms crystal from liquid (solution or molten condition) or gaseous state.Crystalline temperature: one of chemical products physical property.Refer under prescribed conditions, make liquor sample lower the temperature, when crystallization occurs, the steady temperature measured in the liquid phase or the maximum temperature of rise.General Celsius temperature represents.Molten point: fusing point is exactly the minimum temperature that material needs from solid state into liquid state.Selecting a kind of encapsulation medium, when control temperature forms liquid higher than its crystalline temperature, film silk is inserted, liquid encapsulation medium penetrates into film silk intermediate formation and seals；Reducing the control temperature crystalline temperature less than encapsulation medium, using film silk as crystal seed, encapsulation medium change (crystallization process) from liquid to solid-state is very quick, forms smooth crystal plane, now adds encapsulation glue；After glue curing to be packaged, increasing temperature, exceed the molten point of encapsulation medium, encapsulation medium becomes liquid from solid-state.In utilizing tube for transfusion, circulation is passed through temperature control hydraulic control temperature, thus control the conversion of encapsulation medium liquid and solid-state, sealing to film silk when realizing encapsulation medium liquid, and when avoiding adding encapsulation glue, encapsulation medium layering out-of-flatness and easy pole-climbing affect the drawback of package strength.
As preferably, described encapsulation medium uses sodium acetate supersaturated solution, and the hot water temperature of step 1) is 45 DEG C ~ 55 DEG C, and the cold water temperature of step 3) is 0 ~ 2 DEG C, and step 4) hot water temperature is 75 DEG C ~ 85 DEG C.
As preferably, described encapsulation medium uses trifluoro propyl methyl cyclotrisiloxane, and the hot water temperature of step 1) is 35 DEG C ~ 45 DEG C, and the cold water temperature of step 3) is 5 ~ 10 DEG C, and step 4) hot water temperature is 45 DEG C ~ 55 DEG C.
Preferably supersaturated sodium acetate solution and trifluoro propyl methyl cyclotrisiloxane, the crystalline temperature of these 2 kinds of liquid is higher, and at 10 ~ 30 DEG C, in temperature-fall period, temperature need not the lowest the most crystallizable, easy to control；The molten point of crystalline solid is the highest, and at 40 ~ 85 DEG C, temperature need not too higher position solubilized and becomes liquid.And it is nontoxic, on glue and film silk without impact, easy to clean.
A kind of doughnut curtain type membrane packaging system of the present invention and method, utilize encapsulation medium conversion between liquid and solid-state, completes disposably to encapsulate in collector pipe, without unnecessary cutting, meet packaging technology requirement, and encapsulant conveniently takes out, process costs is low, easily operates, and package strength is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of device described in the embodiment of the present invention.
Fig. 2 is processing step 1 described in the embodiment of the present invention) schematic diagram.
Fig. 3 is processing step 2 described in the embodiment of the present invention) schematic diagram.
Fig. 4 is processing step 3 described in the embodiment of the present invention) schematic diagram.
Fig. 5 is processing step 4 described in the embodiment of the present invention) schematic diagram.
Detailed description of the invention
Below in conjunction with Fig. 1-5, the present invention is described further with detailed description of the invention.
Embodiment 1
A kind of doughnut curtain type membrane packaging system, as shown in Figure 1, collector pipe 1 including hollow, a circle boss is had as encapsulation step 6 in described collector pipe 1, encapsulation step 6 upper part is packed part 2, encapsulation step 6 enclosure is divided into product water flow passage 3, film silk 5 inserts packed part 2, its end stretches into product water flow passage 3, glue injects packed part 2 and is packaged film silk therein 5 sections, arrange tube for transfusion 4 in described product water flow passage 3 along liquid stream direction, tube for transfusion 4 is coated on interior by the encapsulation medium 7 producing water flow passage 3, and tube for transfusion 4 can be passed through loop temperature-control liquid.Encapsulation medium 7 can be changed rapidly along with the gradient of temperature of tube for transfusion 4 temp liquid between solid-state and liquid.
A kind of doughnut curtain type membrane packaging technology, uses a kind of doughnut curtain type membrane packaging system, comprises the steps:
1) as shown in Figure 2, in tube for transfusion 4, circulation is passed through hot water, and temperature is 50 DEG C, is poured into by liquid encapsulation medium 7 in collector pipe 1, the most substantially flushes with encapsulation step 6, about 15cm, the encapsulation medium 7 sodium acetate supersaturated solution that temperature is 50 DEG C；
2) as shown in Figure 3, in tube for transfusion 4, circulation is passed through cold water, and cold water temperature is 0 ~ 2 DEG C, is inserted simultaneously into the film silk 5 trimmed with blade, and lower end, film silk hole puts in 10mm in encapsulation medium 7, encapsulation medium 7(sodium acetate supersaturated solution) start rapid crystallization；
3) as shown in Figure 4, continuing circulating chilled water 30min, body to be crystallized cools down completely, adds the epoxy resin glue 8 that height is 40mm；
4) as shown in Figure 5, stand 12 hours, treat that glue is fully cured, open hot water circuit, be set to 80 DEG C, continue hot water circuit after 20 minutes, crystalline solid constantly melts and reverts to liquid encapsulation medium, takes out tube for transfusion 4, and the sodium acetate solution drain after dissolving is out, and import pure water remnants sodium acetate solution is cleaned up, complete encapsulation.
Embodiment 2
A kind of doughnut curtain type membrane packaging system is same as in Example 1, a kind of doughnut curtain type membrane packaging technology, comprises the steps:
1) as shown in Figure 2, in tube for transfusion 4, circulation is passed through hot water, and temperature is 40 DEG C, is poured into by liquid encapsulation medium 7 in collector pipe 1, the most substantially flushes with encapsulation step 6, about 15cm, the encapsulation medium 7 trifluoro propyl methyl cyclotrisiloxane liquid that temperature is 40 DEG C；
2) as shown in Figure 3, in tube for transfusion 4, circulation is passed through cold water, and cold water temperature is 5 ~ 10 DEG C, is inserted simultaneously into the film silk 5 trimmed with blade, and lower end, film silk hole puts in 10mm in encapsulation medium 7, encapsulation medium 7(trifluoro propyl methyl cyclotrisiloxane) start rapid crystallization；
3) as shown in Figure 4, continuing circulating chilled water 60min, body to be crystallized cools down completely, adds the epoxy resin glue 8 that height is 40mm；
4) as shown in Figure 5, stand 12 hours, treat that glue is fully cured, open hot water circuit, be set to 50 DEG C, continue hot water circuit after 20 minutes, crystalline solid constantly melts and reverts to liquid encapsulation medium, takes out tube for transfusion 4, and the trifluoro propyl methyl cyclotrisiloxane drain after dissolving is out, and import pure water remnants trifluoro propyl methyl cyclotrisiloxane is cleaned up, complete encapsulation.
Being only presently preferred embodiments of the present invention in sum, be not used for limiting the practical range of the present invention, all equivalences made according to the content of the application the scope of the claims change and modify, all should be the technology category of the present invention.
Claims (3)
1. a doughnut curtain type membrane packaging technology, use a kind of doughnut curtain type membrane packaging system, this device includes the collector pipe of hollow, a circle boss is had as encapsulation step in described collector pipe, encapsulation step upper part is packed part, encapsulation step enclosure is divided into product water flow passage, film silk inserts packed part, its end stretches into product water flow passage, glue injects packed part and is packaged film silk section therein, in described product water flow passage, tube for transfusion is set along liquid stream direction, tube for transfusion is coated on interior by the encapsulation medium producing water flow passage, tube for transfusion can be passed through loop temperature-control liquid, it is characterized in that: comprise the steps:
1) in tube for transfusion, circulation is passed through hot water, hot water temperature is higher than encapsulation medium crystalline temperature, liquid encapsulation medium is poured in collector pipe, it is highly 5～30mm, described encapsulation medium temperature uses sodium acetate supersaturated solution or trifluoro propyl methyl cyclotrisiloxane also above its crystalline temperature, encapsulation medium；
2) circulation is passed through cold water in tube for transfusion, and cold water temperature, less than the crystalline temperature of encapsulation medium, is inserted simultaneously into the film silk trimmed with blade, and lower end, film silk hole puts in encapsulation medium 5～10mm, and encapsulation medium starts rapid crystallization；
3) continuing circulating chilled water 10～60min, body to be crystallized cools down completely, forms solid encapsulation medium, adds the epoxy resin glue that height is 35～40mm；
4) standing treats that glue is fully cured, open hot water circuit, the temperature of hot water is higher than the molten point of encapsulation medium, continue hot water circuit 20～after 30 minutes, crystalline solid constantly melts and reverts to liquid encapsulation medium, takes out tube for transfusion, by liquid encapsulation medium drain out, and import pure water liquid encapsulation medium is cleaned up, complete encapsulation.
A kind of doughnut curtain type membrane packaging technology the most according to claim 1, it is characterized in that: described encapsulation medium uses sodium acetate supersaturated solution, step 1) hot water temperature be 45 DEG C～55 DEG C, step 3) cold water temperature be 0～2 DEG C, step 4) hot water temperature is 75 DEG C～85 DEG C.
A kind of doughnut curtain type membrane packaging technology the most according to claim 1, it is characterized in that: described encapsulation medium uses trifluoro propyl methyl cyclotrisiloxane, step 1) hot water temperature be 35 DEG C～45 DEG C, step 3) cold water temperature be 5～10 DEG C, step 4) hot water temperature is 45 DEG C～55 DEG C.
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| CN110404413A (en) * | 2019-07-16 | 2019-11-05 | 江苏诺莱智慧水务装备有限公司 | A kind of curtain hollow fiber film assembly sealing adhesive device and technique |
| CN113663522B (en) * | 2020-05-15 | 2022-12-20 | 三达膜科技（厦门）有限公司 | Casting method of hollow fiber membrane filaments |
| CN112619423B (en) * | 2020-12-17 | 2022-10-11 | 德蓝水技术股份有限公司 | Device and method for manufacturing curtain-type membrane assembly |
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| US6290756B1 (en) * | 1997-12-03 | 2001-09-18 | Praxair Technology, Inc. | Hollow fiber membrane tubesheets of variable epoxy composition and hardness |
| CA2486677A1 (en) * | 2004-10-26 | 2006-04-26 | Zenon Environmental Inc. | Header for module of hollow fiber membranes and method of potting hollow fibers |
| JP5075773B2 (en) * | 2008-09-12 | 2012-11-21 | 三菱レイヨン株式会社 | Method for producing hollow fiber membrane module |
| CN201308817Y (en) * | 2008-11-05 | 2009-09-16 | 北京科泰兴达高新技术有限公司 | Hollow fiber membrane assembly for break-proof tip |
| CN104043343B (en) * | 2014-05-05 | 2016-05-18 | 杭州求是膜技术有限公司 | A kind of hollow-fibre membrane plug processing technology |
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Denomination of invention: Hollow fiber curtain type membrane packaging device and method Effective date of registration: 20171012 Granted publication date: 20160803 Pledgee: Yuhang Hangzhou science and technology Company limited by guarantee Pledgor: Hangzhou Qiushi Membrane Technology Co., Ltd. Registration number: 2017330000126 |
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Date of cancellation: 20210729 Granted publication date: 20160803 Pledgee: Yuhang Hangzhou science and technology Company limited by guarantee Pledgor: HANGZHOU CREFLUX MEMBRANE TECHNOLOGY Co.,Ltd. Registration number: 2017330000126 |