CN104437094A - Hollow fiber curtain type membrane packaging device and method - Google Patents
Hollow fiber curtain type membrane packaging device and method Download PDFInfo
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- CN104437094A CN104437094A CN201410846193.2A CN201410846193A CN104437094A CN 104437094 A CN104437094 A CN 104437094A CN 201410846193 A CN201410846193 A CN 201410846193A CN 104437094 A CN104437094 A CN 104437094A
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Abstract
The invention relates to the technical field of water treatment, particularly relates to and discloses a hollow fiber curtain type membrane packaging device. A transfusion tube is arranged in a water production channel of a water collecting tube of the hollow fiber curtain type membrane packaging device in the liquid flowing direction, the transfusion tube is wrapped by packaging media, and circulation temperature-control liquid can be led into the water collecting tube. The invention further discloses a hollow fiber curtain type membrane packaging process which includes the steps that hot water is led into the transfusion tube in a circulated mode, and the liquid packaging media are poured into the transfusion tube; cold water is led into the transfusion tube in a circulated mode, a membrane wire is inserted into the transfusion tube, the lower end of a membrane wire hole extends into the packaging media, and the packaging media start to conduct crystallization rapidly; cold water circulation is carried out continuously, and epoxy resin glue is added after the packaging media are completely solidified; standing is carried out for waiting for complete solidification of the epoxy resin glue, hot water circulation is started and carried out continuously, the packaging media recover into liquid packaging media, the transfusion tube is taken out, drainage and washing are carried out on the liquid packaging media, and packaging is completed. By means of the hollow fiber curtain type membrane packaging device and method, packaging is carried out at a time, surplus incision is not needed, the packaging objects are conveniently taken out, the process cost is low, operation is easily achieved, and the packaging 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, increase the aquifer yield of unit are, curtain diaphragm has been eliminated gradually and has singly been restrainted formula, and changes full slice system into.The encapsulating structure of full slice system curtain type membrane comprises collector pipe, some film silks and encapsulation glue.Wherein the structure of collector pipe is upper end is packed part, and lower end is for producing water flow passage, middle in order to not reduce collector pipe width, ensures film silk amount of fill, has one to be not more than the wide step of 5mm.Because hollow-fibre membrane is water outlet in single fenestra, the effect encapsulated is use packaging plastic hydropexis between many film silks, the non-shutoff of hollow fiber film thread fenestra, and film silk and collector pipe upper part are also fixed with encapsulation glue.And fenestra water outlet is the product water after filtering, and 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, the step more pre-packaged body being bonded to collector pipe seals, encapsulation glue is added again from collector pipe opening part, the maximum difficult point of this method is the sealing of pre-packaged thing and collector pipe, easily when secondary encapsulation, glue drains in water production pipeline, and to secondary encapsulation be carried out, the various complexity of operation.
There is now a kind of disposable packaging technology newly, namely produce in water flow passage in collector pipe lower end and add one deck encapsulant, then add film silk and encapsulation glue, after glue curing to be packaged, take out encapsulant.But if solid encapsulation thing, intensive hollow fiber film thread cannot be sealed, liquid encapsulation glue adds rear easily from space infiltration, shutoff collector pipe pipeline or film silk hole; If liquid-packing thing, cannot form smooth point liquid level with liquid glue, and there is rod-climbing effect in liquid, easily swashes along inside, film silk hole, cause package strength inadequate, such as: patent " a kind of method for packing (CN103495344A) of hollow fiber curtain type membrane component ", describes a kind of hollow fiber film assembly method for packing, add film silk, add encapsulant paraffin or chlorinated paraffin wax again, ebonite and flexible glue, complete the encapsulation in collector pipe, without the need to extra cutting.But this method operability is weak: first, how paraffin or chlorinated paraffin wax take out and do not explain from collector pipe, and the caliber of collector pipe is little, and length is long, and it is very large solid matter to be taken out from the inside difficulty; Secondly, being solid-state under paraffin or chlorinated paraffin wax normal temperature, is impossible between intensive film silk, form sealing function, if encapsulant is not by some film silk sealings, so adds liquid ebonite and will flow on collector pipe pipeline or plugging film silk hole.
Summary of the invention
For the deficiencies in the prior art, the invention provides one and disposablely in collector pipe can complete encapsulation, without the need 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 following technical scheme:
A kind of doughnut curtain type membrane packaging system, comprise 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 encapsulates film silk section wherein, in described product water flow passage, woven hose is set along liquid flow path direction, produce in woven hose is coated on by the liquid of water flow passage, woven hose can pass into loop temperature-control liquid.
As preferably, described encapsulation medium can be changed rapidly along with the gradient of temperature of woven hose temp liquid between solid-state and liquid state.By the change of temperature control liquid temperature in woven hose, the state being positioned at the encapsulation medium producing water flow passage can be changed, be convenient to film silk time liquid stretch into, glue is added time solid-state, remove when recovering liquid again, can accomplish disposablely in collector pipe to complete encapsulation, without the need 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) woven hose Inner eycle passes into hot water, and liquid encapsulation medium, higher than encapsulation medium crystalline temperature, is poured in collector pipe by hot water temperature, is highly 5 ~ 30mm, and described encapsulation medium temperature is also higher than its crystalline temperature;
2) woven hose Inner eycle passes into cold water, cold water temperature lower than the crystalline temperature of encapsulation medium, the film silk that trims of insertion blade simultaneously, lower end, film silk hole puts in 5 ~ 10mm in encapsulation medium, and encapsulation medium starts rapid crystallization;
3) continue circulating chilled water 10 ~ 60min, body to be crystallized cools completely, forms solid encapsulation medium, and adding is highly the epoxy resin glue of 35 ~ 40mm;
4) leave standstill treat that glue solidifies completely, 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 woven hose, by liquid encapsulation medium drainage 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, liquor sample be lowered the temperature, when there is crystallization, the steady temperature measured in the liquid phase or the maximum temperature of rise.Generally represent by Celsius temperature.Molten point: fusing point is exactly the minimum temperature that material needs from solid state into liquid state.Select a kind of encapsulation medium, when control temperature forms liquid state higher than its crystalline temperature, film silk is inserted wherein, liquid encapsulation medium infiltrates in the middle of film silk and forms sealing; Reduce the crystalline temperature of control temperature lower than encapsulation medium, using film silk as crystal seed, encapsulation medium is very quick to solid-state change (crystallization process) from liquid state, forms smooth crystal plane, now adds encapsulation glue; After glue curing to be packaged, increase temperature, exceed the molten point of encapsulation medium, encapsulation medium becomes liquid state from solid-state.Woven hose Inner eycle is utilized to pass into temperature control liquid control temperature, thus control the liquid and solid-state conversion of encapsulation medium, realize encapsulation medium liquid time sealing to film silk, 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.
Preferred 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 does not need too low just crystallizable, easy to control; The molten point of crystalline solid is not high yet, and at 40 ~ 85 DEG C, temperature does not need too higher position solubilized to become liquid.And 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 liquid and solid-state between conversion, in collector pipe, complete disposable encapsulation, without the need to unnecessary cutting, meet packaging technology requirement, and the convenient taking-up of encapsulant, process costs is low, easy to operate, 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 described in the embodiment of the present invention 1) schematic diagram.
Fig. 3 is processing step described in the embodiment of the present invention 2) schematic diagram.
Fig. 4 is processing step described in the embodiment of the present invention 3) schematic diagram.
Fig. 5 is processing step described in the embodiment of the present invention 4) 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, comprise the collector pipe 1 of 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 produces water flow passage 3, film silk 5 inserts packed part 2, its end stretches into and produces water flow passage 3, glue injects packed part 2 and encapsulates film silk 5 sections wherein, arranges woven hose 4 along liquid flow path direction in described product water flow passage 3, in woven hose 4 is coated on by the encapsulation medium 7 producing water flow passage 3, woven hose 4 can pass into loop temperature-control liquid.Encapsulation medium 7 can be changed rapidly along with the gradient of temperature of woven hose 4 temp liquid between solid-state and liquid state.
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, woven hose 4 Inner eycle passes into hot water, and temperature is 50 DEG C, pours in collector pipe 1 by liquid encapsulation medium 7, and highly roughly flush with encapsulation step 6, about 15cm, encapsulation medium 7 is the sodium acetate supersaturated solution of 50 DEG C by temperature;
2) as shown in Figure 3, woven hose 4 Inner eycle passes into cold water, and cold water temperature is 0 ~ 2 DEG C, simultaneously the film silk 5 that trims of insertion 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, continue circulating chilled water 30min, body to be crystallized cools completely, and adding is highly the epoxy resin glue 8 of 40mm;
4) as shown in Figure 5, leave standstill 12 hours, treat that glue solidifies completely, 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 woven hose 4, by the SAS drainage after dissolving out, and import pure water remaining SAS is cleaned up, complete encapsulation.
Embodiment 2
A kind of doughnut curtain type membrane packaging system is identical with embodiment 1, and a kind of doughnut curtain type membrane packaging technology, comprises the steps:
1) as shown in Figure 2, woven hose 4 Inner eycle passes into hot water, and temperature is 40 DEG C, pours in collector pipe 1 by liquid encapsulation medium 7, and highly roughly flush with encapsulation step 6, about 15cm, encapsulation medium 7 is the trifluoro propyl methyl cyclotrisiloxane liquid of 40 DEG C by temperature;
2) as shown in Figure 3, woven hose 4 Inner eycle passes into cold water, and cold water temperature is 5 ~ 10 DEG C, simultaneously the film silk 5 that trims of insertion 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, continue circulating chilled water 60min, body to be crystallized cools completely, and adding is highly the epoxy resin glue 8 of 40mm;
4) as shown in Figure 5, leave standstill 12 hours, treat that glue solidifies completely, 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 woven hose 4, by the trifluoro propyl methyl cyclotrisiloxane drainage after dissolving out, and import pure water remaining trifluoro propyl methyl cyclotrisiloxane is cleaned up, complete encapsulation.
Be only preferred embodiment of the present invention in sum, be not used for limiting practical range of the present invention, all equivalences done according to the content of the application's the scope of the claims change and modify, and all should be technology category of the present invention.
Claims (5)
1. a doughnut curtain type membrane packaging system, comprise the collector pipe (1) of 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 produces water flow passage (3), film silk (5) inserts packed part (2), its end stretches into and produces water flow passage (3), glue injects packed part (2) and encapsulates film silk (5) section wherein, it is characterized in that: in described product water flow passage (3), woven hose (4) is set along liquid flow path direction, produce water flow passage (3) encapsulation medium (7) woven hose (4) is coated in, woven hose (4) can pass into loop temperature-control liquid.
2. a kind of doughnut curtain type membrane packaging system according to claim 1, is characterized in that: described encapsulation medium (7) can be changed rapidly along with the gradient of temperature of woven hose (4) temp liquid between solid-state and liquid state.
3. a doughnut curtain type membrane packaging technology, uses a kind of doughnut curtain type membrane packaging system as claimed in claim 1, it is characterized in that: comprise the steps:
1) woven hose Inner eycle passes into hot water, and liquid encapsulation medium, higher than encapsulation medium crystalline temperature, is poured in collector pipe by hot water temperature, is highly 5 ~ 30mm, and described encapsulation medium temperature is also higher than its crystalline temperature;
2) woven hose Inner eycle passes into cold water, cold water temperature lower than the crystalline temperature of encapsulation medium, the film silk that trims of insertion blade simultaneously, lower end, film silk hole puts in 5 ~ 10mm in encapsulation medium, and encapsulation medium starts rapid crystallization;
3) continue circulating chilled water 10 ~ 60min, body to be crystallized cools completely, forms solid encapsulation medium, and adding is highly the epoxy resin glue of 35 ~ 40mm;
4) leave standstill treat that glue solidifies completely, 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 woven hose, by liquid encapsulation medium drainage out, and import pure water liquid encapsulation medium is cleaned up, complete encapsulation.
4. a kind of doughnut curtain type membrane packaging technology according to claim 3, it is characterized in that: described encapsulation medium uses sodium acetate supersaturated solution, 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.
5. a kind of doughnut curtain type membrane packaging technology according to claim 3, it is characterized in that: described encapsulation medium uses trifluoro propyl methyl cyclotrisiloxane, the hot water temperature of step 1) is 35 DEG C ~ 45 DEG C, 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.
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| CN201410846193.2A CN104437094B (en) | 2014-12-31 | 2014-12-31 | A kind of doughnut curtain type membrane packaging system and method |
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| CN201410846193.2A CN104437094B (en) | 2014-12-31 | 2014-12-31 | A kind of doughnut curtain type membrane packaging system and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112619423A (en) * | 2020-12-17 | 2021-04-09 | 德蓝水技术股份有限公司 | Device and method for manufacturing curtain-type membrane assembly |
| CN113663522A (en) * | 2020-05-15 | 2021-11-19 | 三达膜科技（厦门）有限公司 | Casting method of hollow fiber membrane filaments |
| CN113856473A (en) * | 2021-11-05 | 2021-12-31 | 天津大学 | Pouring process of oleophylic and hydrophobic hollow fiber membrane component of liquid seal head |
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| CA2486677A1 (en) * | 2004-10-26 | 2006-04-26 | Zenon Environmental Inc. | Header for module of hollow fiber membranes and method of potting hollow fibers |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113663522A (en) * | 2020-05-15 | 2021-11-19 | 三达膜科技（厦门）有限公司 | Casting method of hollow fiber membrane filaments |
| CN112619423A (en) * | 2020-12-17 | 2021-04-09 | 德蓝水技术股份有限公司 | Device and method for manufacturing curtain-type membrane assembly |
| CN113856473A (en) * | 2021-11-05 | 2021-12-31 | 天津大学 | Pouring process of oleophylic and hydrophobic hollow fiber membrane component of liquid seal head |
| CN113856473B (en) * | 2021-11-05 | 2024-04-30 | 天津大学 | Oleophylic and hydrophobic hollow fiber membrane module casting process of liquid seal head |
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| CN104437094B (en) | 2016-08-03 |
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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 |