CN105293635A - Backflushing-impact-resistant immersed curtain type membrane assembly - Google Patents
Backflushing-impact-resistant immersed curtain type membrane assembly Download PDFInfo
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- CN105293635A CN105293635A CN201510700045.4A CN201510700045A CN105293635A CN 105293635 A CN105293635 A CN 105293635A CN 201510700045 A CN201510700045 A CN 201510700045A CN 105293635 A CN105293635 A CN 105293635A
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- water leg
- groove
- inside groove
- curtain type
- backwash
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Abstract
A backflushing-impact-resistant immersed curtain type membrane assembly comprises membrane silk, inner tanks and water collecting tanks. The inner tanks are fixedly embedded in the water collecting tanks in a sealed mode. The upper end and the lower end of each piece of membrane silk penetrate through the corresponding inner tank and then is communicated with the corresponding water collecting tank, and the membrane silk and the inner tanks are fixedly connected in a sealed mode through sealing adhesive layers; one end or two ends of each water collecting tank are provided with water outlets; the end, far away from the corresponding water collecting tank, of each inner tank is provided with a blocking edge, and the blocking edges are connected with the water collecting tanks in a sealed mode. The assembly has the advantages that assembly is easy, all parts can be reliably and stably connected, and particularly, a convex rib and groove connection matching structure can greatly reduce machining and manufacturing difficulty of the inner tanks and the water collecting tanks; meanwhile, connection sealing performance and reliability of the inner tanks and the water collecting tanks are improved, the use effect of the assembly is improved, and the service life of the assembly is prolonged; the number of tolerance times of the assembly is over 150,000 under the backflushing pressure of 0.15 Mpa.
Description
Technical field
The present invention relates to a kind of water separating membrane treatment facility, be specifically related to a kind of immersion curtain type film assembly.
Background technology
Using the film separating system of immersion ultrafiltration or micro-filtration membrane module composition, is conventional a kind of water treatment system.It removes the impurity such as mud, suspended substance, bacterium, virus in water by the aperture crown_interception of film, thus purifying water body, decontamination.In this kind of film separating system, along with the continuous operation of equipment, film on the surface pollutent constantly deposits, and forms cake layer, and filtration resistance increases, and causes operation energy consumption increase, purification efficiency reduction.
In order to reduce operation energy consumption, improve purification efficiency, in the operational process of water treatment system, the operation of the regular back flushing of usual employing carrys out the cake layer on loose membrane surface, and the mode being aided with gas scouring removes the cake layer on film surface, slow down the pollution on film surface with this, reach the object in the work-ing life of reducing operation energy consumption, raising purification efficiency and extending membrane element.
Immersion curtain type film assembly is a kind of common water treatment device, due to the carrying out of intermittent backwash operation, current are except impacting film itself, also can to immersion curtain type film assembly, especially the miscellaneous part such as adhesive layer, water leg impacts, inside groove is such as caused to cause structure deteriorate, the normal operation of influential system and work-ing life with being separated of water leg.
Summary of the invention
The main goal of the invention of the present invention is to provide a kind of immersion curtain type film assembly for water treatment of simple and reliable for structure, long service life.
The present invention's technical scheme used is: immersion curtain type film assembly is impacted in a kind of resistance to backwash, comprising: film silk, inside groove, water leg; Inside groove sealing is nestedly fixed in water leg, and communicate with corresponding water leg after the two ends up and down of film silk are each passed through corresponding inside groove, film silk and inside groove are fixedly linked by adhesive layer sealing; The one or both ends of every root water leg are provided with water outlet, and inside groove is provided with a grade limit away from one end of water leg, and shelves limit is connected with the sealing of water leg gluing.
In the present invention, inside groove and its material of water leg can be one or more in polyvinyl chloride (PVC), polyethylene (PE), acrylonitrile-butadiene-styrene copolymer (ABS), polymeric amide (PA).The material of film silk comprises polyvinylidene difluoride (PVDF) (PVDF), polyacrylonitrile (PAN), polyethersulfone (PES), polysulfones (PS), cellulose acetate (CA), polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC) etc.Inside groove sealing is nested to be fixed in water leg, and inside groove and water leg are furnished with sizing agent, and shelves limit and water leg are also furnished with sizing agent.The two ends up and down of film silk are fixedly linked respectively by adhesive layer and upper and lower inside groove, and upper and lower inside groove seals respectively and is nestedly fixed in bottom tank, and the outlet at the upper and lower two ends of film silk communicates with upper and lower two water legs respectively.The present invention, the attended operation of inside groove and water leg is easy, is not easy to cause damage to inside groove and water leg, can improve the reliability be tightly connected of inside groove and water leg simultaneously.Be connected by the gluing sealing of shelves limit and water leg, effectively can prevent being separated of inside groove and water leg, make the present invention under 0.15MPa backwash pressure, tolerance number of times can reach and all there will not be appearance damage for 100,000 times more than, substantially increases work-ing life.In addition, the present invention can be easy to first film silk and inside groove are connected trim, and then inside groove and water leg sealing are connected, the nested encapsulation process simple and effective entered in water leg of inside groove.As preferably, shelves limit place is provided with groove; Correspondingly, water leg is provided with the convex tendon inserted in groove.Convex tendon and groove interfix formation nesting structure, between surface also can brushing sizing agent glutinous together, thus enhance the resistance to back flushing ability of curtain type film assembly, can effectively prevent current transverse impact.
As preferably, the width of convex tendon is less than the width of groove, and the height of convex tendon is less than the degree of depth of groove.This preferred version, the processing and manufacturing being conducive to reducing inside groove and water leg be connected difficulty, be convenient in convex tendon quick insertion groove.
Preferred further, be evenly equipped with some positioning convex in groove, correspondingly, convex tendon is provided with some and locating notch that is positioning convex adaptation, positioning convex and locating notch wringing fit.This preferred version, can improve the strength of joint of inside groove and water leg greatly, prevents water leg and inside groove from when being subject to current impact of collision, slippage occurring, thus improves work-ing life of the present invention.
As preferably, the degree of depth of groove is 2mm to 50mm.
As preferably, the internal surface of inside groove by the inner cylinder near water leg, being connected away from the outer cylinder of water leg and three sections, the protruding cylinder between inner cylinder with outer cylinder is formed; The horizontal section of inner cylinder, outer cylinder and protruding cylinder is oval hole shape, and the vertical section of outer cylinder is trapezoidal.This preferred version, is convenient to the casting of adhesive layer, is also conducive to preventing the stripping of adhesive layer from can effectively improve work-ing life of the present invention.
As preferably, the nested cross section being fixedly connected with the outside surface in portion of the sealing of inside groove is trapezoidal, arc or stepped appearance, and the cross section that correspondingly water leg and inside groove are fitted is trapezoidal, the arc or the stepped appearance that are fixedly connected with the cross-section adaptation of the outside surface in portion nested with the sealing of inside groove.This preferred version, inside groove and water leg contact area greatly, are conducive to ensureing reliability of structure.
As preferably, adhesive layer is made up of interior adhesive layer and covering glue-line, and wherein, adhesive layer is hard adhesive layer, and covering glue-line is soft adhesive layer.This preferred version, effectively can reduce film silk in use causes fracture possibility because current constantly swing, thus is conducive to improving work-ing life of the present invention.
In sum, compared with prior art the invention has the beneficial effects as follows: 1. inside groove and water leg are separate structure, after film silk elder generation and inside groove are fixedly connected, inside groove is fixed together with water leg again, avoid the defect that integral type sealing membrane module cannot be pruned the unnecessary film silk of sealing end, have and assemble easy and that quality is high advantage; 2. connect reliable firm between each several part, especially the connection fit structure of convex tendon and groove, greatly can reduce the processing and manufacturing difficulty of inside groove and water leg, improve the stopping property that is connected with water leg of inside groove and reliability simultaneously, " adhesive layer is made up of interior adhesive layer and covering glue-line; wherein, adhesive layer is hard adhesive layer, and covering glue-line is soft adhesive layer." structure further increase result of use of the present invention and life-span, make the tolerance number of times of the present invention under 0.15MPa backwash pressure can reach more than 150,000 times.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation that membrane module is impacted in resistance to backwash of the present invention;
Fig. 2 is the structural representation of inside groove;
Fig. 3 is the cross-sectional schematic of inside groove;
Fig. 4 is the structural representation of water leg;
Fig. 5 is the syndeton cross-sectional schematic of inside groove and water leg;
Fig. 6 is the inside groove of embodiment 2 and the syndeton cross-sectional schematic of water leg;
Shown in figure:
1: film silk, 2: inside groove, 2.1: inner cylinder face, 2.2: truncated cone-shaped cylinder, 2.3: protruding column face, 3: water leg, 4: adhesive layer, 4.1: interior adhesive layer, 4.2: covering glue-line, 5: shelves limit, 6: groove, 7: convex tendon, 8: positioning convex, 9: locating notch.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment one:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the present invention includes: film silk 1, inside groove 2, water leg 3, inside groove 2 is sealed by sizing agent and is nestedly fixed in water leg 3, the two ends up and down of film silk 1 are each passed through corresponding inside groove 2 and communicate with corresponding water leg 3 afterwards, film silk 1 and inside groove 2 are fixedly linked by adhesive layer 4 sealing, and adhesive layer 4 is made up of interior adhesive layer 4.1 and covering glue-line 4.2; The one or both ends of every root water leg 3 are provided with water outlet, and inside groove 2 is provided with grade limit 5 away from one end of water leg 3, and shelves limit 5 is connected by sizing agent sealing with water leg 3.One end of the every root water leg 3 of the present embodiment is provided with water outlet, and the other end is provided with hickey and is bolted on equipment.In addition, wherein film silk 1 is for being the one in hollow-fibre membrane, capillary membranes or composite membrane, and the material of film silk is the one in polyvinylidene difluoride (PVDF) (PVDF), polyacrylonitrile (PAN), polyethersulfone (PES), polysulfones (PS), cellulose acetate (CA), polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC) etc.As preferably, the present embodiment film silk 1 is polyvinylidene difluoride (PVDF) (PVDF) hollow-fibre membrane.The material of interior adhesive layer 4.1 and covering glue-line 4.2 can be different, also can be identical.The present embodiment, the material of interior adhesive layer 4.1 and covering glue-line 4.2 is urethane, but interior adhesive layer is positioned at inside groove 2 is connected with water leg 3 corresponding site at position, and interior adhesive layer is hard adhesive layer, and covering glue-line is soft adhesive layer; The internal surface of inside groove 2 by near water leg 3 inner cylinder face 2.1, form away from the truncated cone-shaped cylinder 2.2 of water leg 3 and 2.3 3 sections, the protruding column face between inner cylinder face 2.1 and truncated cone-shaped cylinder 2.2.
As preferably, to improve reliability of structure, shelves limit 5 place is provided with groove 6, and the degree of depth of groove 6 is 2mm to 50mm, and as preferably, the degree of depth of the present embodiment groove 6 is 3 millimeters; Correspondingly, water leg 3 is provided with the convex tendon 7 inserted in groove 6.As preferably, the height of convex tendon 7 is less than the degree of depth of groove 6, some positioning convex 8 are evenly equipped with in each vertical slots of groove 6, correspondingly, convex tendon 7 is provided with some and locating notch 9 that is positioning convex 8 adaptation, positioning convex 8 and locating notch 9 wringing fit, be filled with sizing agent between the surface of groove 6 and convex tendon 7.Uniform 11 positioning convex 8 in each vertical slots of the present embodiment groove 6, the secure and reliable connection of groove 6 and convex tendon 7.
As preferably, the internal surface of inside groove 2 by the inner cylinder 2.1 near water leg 3, being connected away from the outer cylinder 2.2 of water leg 3 and 2.3 3 sections, the protruding cylinder between inner cylinder 2.1 with outer cylinder 2.2 is formed; The horizontal section of inner cylinder 2.1, outer cylinder 2.2 and protruding cylinder 2.3 is oval hole shape, and the vertical section of outer cylinder 2.2 is trapezoidal.The present embodiment, the nested cross-sectional profile being fixedly connected with portion of the sealing of inside groove 2 is trapezoidal.
Embodiment two:
As shown in Figure 6, as shown in Figure 6, embodiment two and the difference of embodiment one, be mainly: the width of convex tendon 7 and the width adaptation of groove 6 in embodiment one, and in embodiment two, the width of convex tendon 7 is less than the width of groove 6.
The specific embodiment of the above is only the present invention's preferably embodiment, not limits specific embodiment of the invention scope with this.The equivalence change that all shapes according to the present invention, structure are done ought to all be included in protection scope of the present invention.
Claims (9)
1. the immersion curtain type film assembly of a resistance to backwash impact, comprise: film silk (1), inside groove (2), water leg (3), inside groove (2) seals and is nestedly fixed in water leg (3), the two ends up and down of film silk (1) are each passed through corresponding inside groove (2) and communicate with corresponding water leg (3) afterwards, and film silk (1) and inside groove (2) are fixedly linked by adhesive layer (4) sealing; The one or both ends of every root water leg (3) are provided with water outlet; It is characterized in that: inside groove (2) is provided with a grade limit (5) away from one end of water leg (3), shelves limit (5) are connected with the sealing of water leg (3) gluing.
2. the immersion curtain type film assembly of resistance to backwash impact according to claim 1, is characterized in that: shelves limit (5) place is provided with groove (6); Correspondingly, water leg (3) is provided with the convex tendon (7) inserted in groove (6).
3. the immersion curtain type film assembly of resistance to backwash impact according to claim 2, is characterized in that: the width of convex tendon (7) is less than the width of groove (6).
4. the immersion curtain type film assembly of resistance to backwash impact according to claim 2, is characterized in that: the height of convex tendon (7) is less than the degree of depth of groove (6).
5. the immersion curtain type film assembly of resistance to backwash impact according to claim 2, is characterized in that: the degree of depth of groove (6) is 2mm to 50mm.
6. the immersion curtain type film assembly of resistance to backwash impact according to claim 2, is characterized in that: be evenly equipped with some positioning convex (8) in groove (6), and correspondingly, convex tendon (7) is provided with some and that positioning convex (8) is adaptive locating notch (9).
7. the immersion curtain type film assembly that the resistance to backwash according to claim 1 or 2 or 3 or 4 or 5 or 6 is impacted, is characterized in that: the internal surface of inside groove (2) is connected by the inner cylinder (2.1) near water leg (3), the outer cylinder (2.2) away from water leg (3) and (2.3) three sections, the protruding cylinder be positioned between inner cylinder (2.1) with outer cylinder (2.2) and forms; The horizontal section of inner cylinder (2.1), outer cylinder (2.2) and protruding cylinder (2.3) is oval hole shape, and the vertical section of outer cylinder (2.2) is trapezoidal.
8. the immersion curtain type film assembly that the resistance to backwash according to claim 1 or 2 or 3 or 4 or 5 or 6 is impacted, it is characterized in that: the nested cross section being fixedly connected with the outside surface in portion of the sealing of inside groove (2) is trapezoidal, arc or stepped appearance, the cross section that correspondingly water leg (3) and inside groove (2) are fitted be nested with the sealing of inside groove (2) be fixedly connected with the cross-section adaptation of the outside surface in portion trapezoidal, arc or stepped appearance in one.
9. the immersion curtain type film assembly that the resistance to backwash according to claim 1 or 2 or 3 or 4 or 5 or 6 is impacted, is characterized in that: adhesive layer 4 is by interior adhesive layer 4.1) and covering glue-line (4.2) form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510700045.4A CN105293635B (en) | 2015-10-23 | 2015-10-23 | The immersion curtain type film assembly of resistance to backwash impact |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510700045.4A CN105293635B (en) | 2015-10-23 | 2015-10-23 | The immersion curtain type film assembly of resistance to backwash impact |
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| Publication Number | Publication Date |
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| CN105293635A true CN105293635A (en) | 2016-02-03 |
| CN105293635B CN105293635B (en) | 2018-06-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109970175A (en) * | 2019-04-28 | 2019-07-05 | 盐城海普润膜科技有限公司 | A kind of putamina for curtain type film assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103328078A (en) * | 2011-01-04 | 2013-09-25 | 三菱丽阳株式会社 | Hollow fiber membrane module |
| CN104226117A (en) * | 2014-09-02 | 2014-12-24 | 中山朗清膜业有限公司 | Immersed type fiber enhanced hollow fiber membrane module |
| CN205170447U (en) * | 2015-10-23 | 2016-04-20 | 宁波水艺膜科技发展有限公司 | Submergence formula curtain formula membrane module that resistant backwash is strikeed |
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2015
- 2015-10-23 CN CN201510700045.4A patent/CN105293635B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103328078A (en) * | 2011-01-04 | 2013-09-25 | 三菱丽阳株式会社 | Hollow fiber membrane module |
| CN104226117A (en) * | 2014-09-02 | 2014-12-24 | 中山朗清膜业有限公司 | Immersed type fiber enhanced hollow fiber membrane module |
| CN205170447U (en) * | 2015-10-23 | 2016-04-20 | 宁波水艺膜科技发展有限公司 | Submergence formula curtain formula membrane module that resistant backwash is strikeed |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109970175A (en) * | 2019-04-28 | 2019-07-05 | 盐城海普润膜科技有限公司 | A kind of putamina for curtain type film assembly |
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| CN105293635B (en) | 2018-06-26 |
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