CN103041707A - Glue sealing method of hollow fiber film unit - Google Patents
Glue sealing method of hollow fiber film unit Download PDFInfo
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- CN103041707A CN103041707A CN2013100114525A CN201310011452A CN103041707A CN 103041707 A CN103041707 A CN 103041707A CN 2013100114525 A CN2013100114525 A CN 2013100114525A CN 201310011452 A CN201310011452 A CN 201310011452A CN 103041707 A CN103041707 A CN 103041707A
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Abstract
The invention discloses a glue sealing method of a hollow fiber film unit. The glue sealing method comprises the following steps of: (1) shredding; (2) plugging a hole, coating a reserved part of a unit film silk flock with polyurethane glue with the mixture ratio of A:B being equal to 70:100, patting the unit flock, and recoating the glue for two times after the first coating so as to guarantee that a 2mm-3mm glue layer is formed on the root of the reserved part of the unit flock; (3) stewing the unit flock for 50-90 minutes until the surface of the polyurethane glue is dried; (4) sleeving a silicone tube on the end of the unit flock, wherein the distance from the bottom of the silicone tube to the end of film silk is 3mm-4mm, and the outer diameter of the silicone tube is slightly greater than the inner diameter of a tube bundle; and (5) pouring epoxy glue at 40 DEG C in the tube bundle, and carrying out glue insertion on the pipe bundle slowly, thus forming a glue layer of 4mm-5mm on the bottom of the film silk flock. The glue sealing method provided by the invention can effectively reduce the possibility of point leakage after the unit flock is manufactured, can obviously reduce bubbles, and ensures that bubbles generated in the tube bundle cannot influence the quantity of leaked points under pressure, and thus the qualification rate of the unit flock is obviously improved.
Description
Technical field
The present invention relates to the wastewater treatment product scope, specifically, the present invention relates to a kind of glue sealing method of hollow fiber film unit.
Background technology
The pillar film needs when water inlet end is made in process of production film silk and tube bank are fixed by glue, and to guarantee also that by this operation glue can all block the film silk centre bore of water inlet end, so that be to enter from the infiltration of film silk surface during sewage water filtration, rather than directly directly enter from film silk one end, water can in full force and effectly filter like this, guarantees to produce water water quality.Present tube bank glue sealing method is to pour about 15g epoxy glue into tube bank first, the film silk rotates insertion at twice when treating that the glue temperature reaches 50 ℃, 3～4mm glue-line is left in the bottom, because the film silk has the phenomenon of inhaling glue in inserting the glue process, so need to be to once mending glue in restraining, the about 5g of glue amount when inserting glue for the second time, and this method complex operation, and epoxy glue viscosity is low, solidifies slowly, is difficult to avoid owing to the film silk is inhaled the bubble phenomenon that glue produces.
When the later stage membrane component was suppressed detection, the quantity of leak source mainly was the quality of the unit bundle before the reflection, and the quality of unit bundle is mainly by slotting adhesive process and the control of glue kind.Although but existing secondary-plug gluing method is better than the once slotting glue effect at initial stage, but can't satisfy high-quality requirement.Because after inserting glue, before the adhesive curing, the glue phenomenon can appear inhaling in the film silk, so can cause the tube bank bottom air pocket to occur.And occur sometimes since when inserting glue unbalance stress cause the part film silk not inhale glue, so will produce leakage point in this case, affect product quality.
Defective for prior art exists proposes the present invention.
Summary of the invention
The deficiency of inserting adhesive process in order to overcome existing pillar film, the invention provides a kind of improved first plug-hole and insert again the method for glue, at the needs that satisfy production with do not increase and propose under the artificial prerequisite, the method can guarantee that not only all film silk centre bores all are plugged before inserting glue, and air pocket obviously reduces after inserting glue, has significantly improved the first-time qualification rate of unit bundle.
The technical solution adopted for the present invention to solve the technical problems is: a kind of glue sealing method of hollow fiber film unit may further comprise the steps:
1) chopping, when chopping, 3-4mm will be reserved in film silk end, in order to carry out gluing;
2) plug-hole, adopting proportioning is the reserved part of the polyurethane adhesive coated membrane silk unit bundle of A:B=70:100, pats the unit bundle, guarantee film silk the unit in and silk and thread between all advance fully glue, smear finish after gluing twice again, there is the glue-line of 2-3mm the outside that guarantees film silk unit bundle reserved part; Wherein A is isocyanates in the proportioning, and B is hydroxy compounds;
3) leave standstill 50-90min, until the polyurethane adhesive surface drying;
4) put silicone tube in bundle end, film silk unit, silicone tube distance from bottom film silk end 3-4mm, the silicone tube external diameter is slightly larger than the tube bank internal diameter;
5) insert glue, in tube bank, pour the epoxy glue that temperature has reached 40 ℃ into, and then insert glue, will slowly carry out when inserting glue, insert the glue-line that 4-5mm is arranged at glue caudacoria tow bottom.
Beneficial effect of the present invention is specific as follows:
1, climbs the glue height after having reduced the sealing of hollow fiber film unit bundle, occur the phenomenon of air pocket in the tube bank;
2, avoided hollow-fibre membrane not block the phenomenon of the tube bank leakage that occurs owing to the termination;
3, improve the first-time qualification rate of membrane component, guaranteed product quality.
Description of drawings
When considered in conjunction with the accompanying drawings, by the following detailed description of reference, can more completely understand better the present invention and learn easily wherein many advantages of following, but accompanying drawing described herein is used to provide a further understanding of the present invention, consist of a part of the present invention, illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of to improper restriction of the present invention, wherein:
Fig. 1 is the schematic diagram of hollow fiber film thread glue sealing method of the present invention.
The specific embodiment
Describe below in conjunction with 1 pair of embodiments of the invention of accompanying drawing.
As shown in Figure 1, step of the present invention is:
1) chopping, when chopping, 3-4mm will be reserved in film silk end, in order to carry out gluing;
2) plug-hole, adopting proportioning is the reserved part 2 of the polyurethane adhesive coated membrane silk unit bundle 1 of A:B=70:100, pat film silk unit bundle 1, guarantee in the film silk unit bundle and silk with thread between all advance fully glue, smear finish after gluing twice again, there is the glue-line 3 of 2-3mm the outside that guarantees the reserved part 2 of film silk unit bundle 1; Wherein A is isocyanates in the proportioning, and B is hydroxy compounds;
3) leave standstill 50-90min, until the polyurethane adhesive surface drying;
4) put silicone tube 4 in film tow 1 end, silicone tube 4 distance from bottom film silk end 3-4mm, silicone tube 4 external diameters are slightly larger than tube bank 5 internal diameters;
5) insert glue, in tube bank 5, pour the epoxy glue that the 10g temperature has reached 40 ℃ into, and then insert glue, will slowly carry out when inserting glue, insert the glue-line 6 that 4-5mm is arranged at glue caudacoria tow 1 bottom.
As mentioned above, embodiments of the invention are explained, but as long as not breaking away from fact inventive point of the present invention and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation also all is included within protection scope of the present invention.
Claims (1)
1. the glue sealing method of a hollow fiber film unit is characterized in that, may further comprise the steps:
1) chopping, when chopping, 3-4mm will be reserved in film silk end, in order to carry out gluing;
2) plug-hole, adopting proportioning is the reserved part of the polyurethane adhesive coated membrane silk unit bundle of A:B=70:100, pats film silk unit bundle, guarantee in the film silk and silk with thread between all advance fully glue, smear finish after gluing twice again, there is the glue-line of 2-3mm the outside that guarantees unit bundle reserved part; Wherein A is isocyanates in the proportioning, and B is hydroxy compounds;
3) leave standstill 50-90min, until the polyurethane adhesive surface drying;
4) put silicone tube in bundle end, film silk unit, silicone tube distance from bottom film silk end 3-4mm, the silicone tube external diameter is slightly larger than the tube bank internal diameter;
5) insert glue, in tube bank, pour the epoxy glue that temperature has reached 40 ℃ into, and then insert glue, will slowly carry out when inserting glue, insert the glue-line that 4-5mm is arranged at glue caudacoria tow bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310011452.5A CN103041707B (en) | 2013-01-11 | 2013-01-11 | Glue sealing method of hollow fiber film unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310011452.5A CN103041707B (en) | 2013-01-11 | 2013-01-11 | Glue sealing method of hollow fiber film unit |
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| CN103041707A true CN103041707A (en) | 2013-04-17 |
| CN103041707B CN103041707B (en) | 2014-12-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252168A (en) * | 2013-05-30 | 2013-08-21 | 杭州求是膜技术有限公司 | Ultrafiltration membrane bundle and processing method thereof |
| CN103566766A (en) * | 2013-11-18 | 2014-02-12 | 武汉艾科滤膜技术有限公司 | Method for manufacturing hollow fiber membrane module |
| CN107847878A (en) * | 2015-04-09 | 2018-03-27 | 艾伦塔斯Pdg股份有限公司 | Polyurethane binder for reverse osmosis modules |
| CN109663508A (en) * | 2018-12-27 | 2019-04-23 | 天津膜天膜科技股份有限公司 | Device and method for avoiding tearing after liner enhancing doughnut casting |
| CN110960988A (en) * | 2018-09-28 | 2020-04-07 | 北京铂阳顶荣光伏科技有限公司 | Hollow fiber membrane packaging method |
| CN111389231A (en) * | 2020-04-24 | 2020-07-10 | 北京碧水源膜科技有限公司 | Laminated hollow fiber membrane element with equal membrane-filament spacing and production method thereof |
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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 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252168A (en) * | 2013-05-30 | 2013-08-21 | 杭州求是膜技术有限公司 | Ultrafiltration membrane bundle and processing method thereof |
| CN103566766A (en) * | 2013-11-18 | 2014-02-12 | 武汉艾科滤膜技术有限公司 | Method for manufacturing hollow fiber membrane module |
| CN103566766B (en) * | 2013-11-18 | 2016-02-17 | 武汉艾科滤膜技术有限公司 | A kind of manufacture method of hollow fiber film assembly |
| CN107847878A (en) * | 2015-04-09 | 2018-03-27 | 艾伦塔斯Pdg股份有限公司 | Polyurethane binder for reverse osmosis modules |
| CN110960988A (en) * | 2018-09-28 | 2020-04-07 | 北京铂阳顶荣光伏科技有限公司 | Hollow fiber membrane packaging method |
| CN109663508A (en) * | 2018-12-27 | 2019-04-23 | 天津膜天膜科技股份有限公司 | Device and method for avoiding tearing after liner enhancing doughnut casting |
| CN111389231A (en) * | 2020-04-24 | 2020-07-10 | 北京碧水源膜科技有限公司 | Laminated hollow fiber membrane element with equal membrane-filament spacing and production method thereof |
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| CN103041707B (en) | 2014-12-10 |
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