CN107051209B - Small square film component - Google Patents
Small square film component Download PDFInfo
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- CN107051209B CN107051209B CN201710213900.8A CN201710213900A CN107051209B CN 107051209 B CN107051209 B CN 107051209B CN 201710213900 A CN201710213900 A CN 201710213900A CN 107051209 B CN107051209 B CN 107051209B
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- Prior art keywords
- conduit
- water
- membrane
- locking ring
- film
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/08—Flat membrane modules
- B01D63/082—Flat membrane modules comprising a stack of flat membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/02—Specific tightening or locking mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/23—Specific membrane protectors, e.g. sleeves or screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/46—Supply, recovery or discharge mechanisms of washing members
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a small square film component, which belongs to the technical field of water treatment filter media and comprises a water permeating conduit with water permeating holes, film membranes and locking plates which are arranged on the water permeating conduit in a staggered mode, and end plates arranged at two ends of the water permeating conduit, wherein a through hole for the water permeating conduit to pass through is formed in the middle of each locking plate, and a convex part is arranged on the inner wall of each locking plate, so that a water permeating flow channel is formed between the water permeating conduit and the inner wall of each locking plate. The small square soft sheet membrane component has a stable seepage water converging flow channel, the water outlet resistance is basically constant, the water production flux is stable, the sealing ring in the locking plate can not fall off, and the membrane filtering component structure which is stable in all directions and firm in sealing is formed.
Description
Technical Field
The invention relates to the technical field of water treatment filter media, in particular to a small square film component.
Background
The ultrafiltration membrane technology is one of the most common, simple and effective technologies in the field of wastewater treatment at present, and has the advantages of simple structure, convenient operation, good effluent quality, low investment cost and the like.
The applicant has applied patent application with publication number CN 101700471A in 2009, and discloses a hard disk plate type ultrafiltration membrane locking assembly, which comprises a filter membrane element and a locking plate, and the assembly improves the toughness of the whole filter membrane element, increases the filtration area, reduces the filtration resistance, and has the advantage of simple assembly.
In engineering applications. Because the hard disk membrane unit is small, the sewage engineering with the daily treatment capacity of more than 500 tons is difficult to meet, and because the end plates at the two ends of the component are circular, the membrane pile device is very complicated, the market popularization of products is not facilitated, and the requirement in the field of sewage treatment cannot be met.
Disclosure of Invention
The invention aims to provide a small square film component which has the advantages of high utilization rate of film materials, convenient combination of film piles, labor and material saving, large film stacking density, simple engineering installation and suitability for water treatment engineering of any large and small scale.
In order to achieve the purpose, the small square film membrane component comprises a water permeating conduit with water permeating holes, film membranes and locking plates which are arranged on the water permeating conduit in a staggered mode, and end plates arranged at two ends of the water permeating conduit, wherein a through hole for the water permeating conduit to penetrate through is formed in the middle of each locking plate, and a convex part is arranged on the inner wall of each locking plate, so that a water permeating flow channel is formed between the water permeating conduit and the inner wall of each locking plate.
The flow channel is a confluence area before the permeated water enters the permeated water conduit, and the confluence area is stably distributed on the periphery of the permeated water conduit due to the existence of the convex part, so that the outlet resistance of the water body after being filtered by the membrane is basically constant, and the surface of the film of the flexible sheet is always flushed by cooperating with aeration during actual use, so that the condition of membrane surface pollution is controlled, the water production flux is kept stable, and the reliability of sealing between the membrane and the locking plate is also ensured;
the fillet rectangle's diaphragm is for circular hard disk membrane in the past, can practice thrift more than 30% membrane material at the in-process of tailorring, has reduced the cost of manufacture of membrane unit to the end plate at membrane module both ends is made rectangle or square, can directly superpose and form enclosed construction, and the installation is simple, man-hour expense is low compared in circular hard disk membrane, does benefit to the application in the engineering.
Compared with the original circular hard disk membrane, the rectangular membrane has the advantages that the membrane component with the same floor area can provide more effective membrane areas, aerated bubbles are more fully utilized, and the energy consumption of an air source corresponding to the unit effective membrane area is saved.
Preferably, the locking piece comprises an inner locking ring close to the outer wall of the permeate water guide, an outer locking ring far from the outer wall of the permeate water guide, and a sealing ring provided between the inner locking ring and the outer locking ring, the sealing ring being integrally formed by injection between the inner locking ring and the outer locking ring.
O type circle on the locking plate inlays in the recess among the prior art, easily drops, as long as have a locking plate because O type circle problem is sealed not firm, whole membrane filtering element's product water quality all can receive the influence, and the locking plate easily rotates around producing the water pipe axial, and what accelerate O type circle drops and leads to sealed inefficacy.
This application the sealing ring is for the preparation of integrative injection moulding between interior catch and the outer catch, and the sealing ring fully contacts, is connected firmly with interior catch, outer catch, and can not drop, has solved the sealing problem that the sealing ring easily drops and leads to in the past, adopts the membrane filtering component of this kind of structure locking plate, has leakproofness durable's characteristics, has prolonged its life greatly to owing to strengthened sealed grade, also ensured the stability of play water quality.
Preferably, the inner locking ring is provided with a first positioning groove, and the convex part is located at two ends of the notch of the first positioning groove.
Preferably, in the above technical solution, one side of the inner locking ring is provided with at least two insertion posts, and the corresponding positions of the other side of the inner locking ring are provided with insertion slots adapted to the insertion posts.
The inserting column of one locking plate is matched with the inserting groove of the other adjacent locking plate, so that the positions of the locking plates in the axial direction are kept uniform, a stable cylindrical structure is formed, and the sealing problem caused by the deviation of the positions is avoided.
Preferably, in the above technical solution, the film is provided with a through hole for the permeate water conduit to pass through, the bottom of the plug column is provided with a film stopper, and an outer contour of the film stopper is used for supporting an inner contour of the through hole.
The outer contour formed by the film stopper is matched with the inner contour of the through hole on the film, namely the film stopper is used for firmly clamping the film between the two locking plates;
preferably, the outer side of the permeate water conduit is provided with a positioning convex rib matched with the first positioning groove.
The locking plate is positioned through the first positioning groove and the permeate water guide pipe, the locking plate is locked to prevent the locking plate from rotating and twisting relative to the permeate water guide pipe, the convex part is matched to form a stable flow channel, and when the membrane is in a rounded rectangle, the membrane can be prevented from rotating, so that the membrane can keep the shape arrangement consistency.
So, the locking plate all obtains the restriction of displacement for the infiltration water pipe, two adjacent locking plates and soft sheet membrane for the locking plate, cooperates the decurrent suppression of end plate, can form all-round stable, just sealed firm membrane filtration subassembly structure.
Preferably, the end plate is provided with a sleeve hole sleeved on the permeate water conduit, and the sleeve hole is provided with a second positioning groove matched with the positioning convex edge.
As a preferred embodiment of the above technical solution, the film includes a first film, a second film and a supporting sheet disposed between the first film and the second film, a first flow path cloth is disposed between the first film and the supporting sheet, and a second flow path cloth is disposed between the second film and the supporting sheet.
The first membrane and the second membrane play a role in filtering and are used for filtering impurities in the sewage; the first flow passage cloth and the second flow passage cloth are net-shaped pieces, and when the membrane surface is pressed by feed liquid for filtration, a passage for purified water to flow can be formed between the membrane and the support sheet by the first flow passage cloth and the second flow passage cloth; unlike the supporting sheet mentioned in the reference, the supporting sheet, in addition to supporting, can absorb the impact of the liquid material and convert the impact into self-vibration, and can effectively weaken the accumulation of pollutants on the surface of the membrane.
Preferably, one end of the permeate water conduit is provided with a clamping block for clamping the end plate, and the other end of the permeate water conduit is provided with a threaded connection port and a sealing groove for sealing with the end plate.
The film described herein may also be used with the novel film units described below:
the utility model provides a novel film unit, include first diaphragm, second diaphragm and set up in support thin slice between first diaphragm and the second diaphragm, first diaphragm with be provided with first runner cloth between the backing sheet, the second diaphragm with be provided with second runner cloth between the backing sheet, be provided with the pressure adjustment passageway on the support thin slice.
In the filtering process, the membrane pores are not uniformly distributed, the pressure of feed liquid borne by two sides of the membrane can deviate during filtering, so that the membrane bends and deforms, the bend blocks the scouring of aeration on the membrane surface, a part of the area which can not be aerated is formed on the membrane, the membrane pollution condition of the area is more serious, the effective filtering area of a single membrane is directly reduced, or a series of membranes are failed due to the adhesion of a pollution layer between the membrane and an adjacent membrane, the filtering efficiency is seriously reduced, and the flux of membrane filtering is seriously reduced;
this application is provided with the pressure regulation passageway, and its effect lies in: when the pressure difference of the material liquid occurs at the two sides of the membrane, the fluid of the membrane surface at one side with larger pressure can be transmitted to the flow passage cloth at the other side through the pressure adjusting channel, so that the pressure difference at the two sides of the membrane surface is balanced, the deformation of the membrane is prevented, the aeration can be ensured to act on the membrane surfaces at the two sides, and the generation of the area which can not be aerated is avoided; the filtering efficiency of a single membrane can be improved, and the rejection of a whole string of membranes caused by adhesion of a plurality of membranes can be prevented;
by adopting the diaphragm of the type, the same water yield can be greatly saved compared with the diaphragm of a comparison file;
preferably, the shape of the film unit is circular or rectangular with round corners, the number of the pressure adjusting channels is at least 6, and the pressure adjusting channels are arranged on the film unit in a centrosymmetric manner.
As a preferred preference of the above technical solution, the pressure regulating channel is a hole formed in the support sheet; the flexible membrane is provided with a combining part at the hole, and the combining part is a part formed by welding the first membrane and the second membrane with the first flow passage cloth and the second flow passage cloth.
The flux is reduced after the membrane is polluted, at the moment, backwashing is needed to recover the permeability of the membrane, when large-area internal pressure and external expansion force is easy to break and tear the welding edge of the outer edge of the membrane during backwashing, a combination part is arranged to divide the original large area into a plurality of small areas to help to disperse the backwashing pressure, and the backwashing pressure is evenly distributed on the membrane surface to avoid the membrane damage caused by overhigh local pressure;
when the whole membrane surface is divided into a plurality of small blocks, the amount of the filled liquid in the membrane surface is greatly reduced, the requirement on the dosage of the chemical cleaning liquid medicine of the membrane is greatly reduced, and the medicine cost is saved;
preferably, in the above aspect, the bonding portion is provided in a middle portion of the membrane surface.
Preferably, in the above-described aspect, the pressure adjustment passage is an elliptical hole, and the coupling portion is elongated and is disposed along the major axis so as to pass through the center of the elliptical hole.
The joint part is formed by ultrasonic welding, the oval pressure adjusting channel is suitable for welding in the long axis direction, the welding spot is firm, and the operation is convenient.
Preferably, the outer periphery of the film is provided with a sealing edge.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) The small square film membrane component has a stable seepage water converging flow channel, the water outlet resistance is basically constant, and the water production flux is stable;
(2) The locking plate, the permeable water conduit and the soft membrane of the small square soft membrane component are all limited by displacement, and the matching end plate is pressed downwards to form a membrane filtering component structure which is stable in all directions and firm in sealing;
(3) The sealing ring in the locking plate of the small square film component can not fall off, and the sealing reliability is ensured.
Drawings
FIG. 1 is a schematic view of a small square film assembly.
FIG. 2 is a schematic view of a membrane connecting structure of a small square film assembly.
Fig. 3 is a schematic view of a film structure of a film.
FIG. 4 is a schematic diagram of the results of a permeate conduit.
Fig. 5 is a schematic view of the locking plate structure.
FIG. 6 is a schematic view of a permeate flow path.
Fig. 7 is a schematic view of the end plate structure.
In the figure: the membrane filter comprises a permeable water conduit 1, a permeable hole 11, a positioning convex rib 12, a clamping block 13, a threaded connector 14, a sealing groove 15, a flexible membrane 2, a first membrane 21, a second membrane 22, a supporting sheet 23, a first flow passage cloth 24, a second flow passage cloth 25, a locking piece 3, an inner locking ring 31, a convex part 311, a first positioning groove 312, an inserting column 313, an inserting groove 314, a flexible membrane stop 315, an outer locking ring 32, a sealing ring 33, an end plate 4, a sleeve hole 41, a second positioning groove 42 and a flow passage a.
Detailed Description
The invention is described in further detail below with reference to the following figures and specific examples:
example 1: as shown in fig. 1 to 7, a small square film membrane module comprises a permeate water conduit 1 provided with water permeable holes 11, film membranes 2 and locking plates 3 which are arranged on the permeate water conduit 1 in a staggered manner, and end plates 4 arranged at two ends of the permeate water conduit 1;
the film 2 comprises a first film 21, a second film 22 and a supporting sheet 23 arranged between the first film 21 and the second film 22, wherein a first flow passage cloth 24 is arranged between the first film 21 and the supporting sheet 23, and a second flow passage cloth 25 is arranged between the second film 22 and the supporting sheet 23.
The locking plate 3 is composed of an inner locking ring 31 close to the outer wall of the permeate water guide 1, an outer locking ring 32 far away from the outer wall of the permeate water guide 1 and a sealing ring 33 arranged between the inner locking ring 31 and the outer locking ring 32, the sealing ring 33 is integrally formed by injection between the inner locking ring 31 and the outer locking ring 32, a first positioning groove 312 is formed on the inner locking ring 31, a convex part 311 is positioned at two ends of a notch of the first positioning groove 312, and the convex part 311 enables a flow channel a of permeate water to be formed between the permeate water guide 1 and the inner wall of the locking plate 3;
four inserting columns 313 are arranged on one side of the inner locking ring 31, inserting grooves 314 matched with the inserting columns 313 are arranged at corresponding positions on the other side of the inner locking ring 31, a through hole for the permeable water conduit 1 to pass through is formed in the film 2, a film stopper 315 is arranged at the bottom of the inserting columns 313, and the outer contour of the film stopper 315 is used for supporting the inner contour of the through hole.
The outer side of the permeate water conduit 1 is provided with a positioning convex rib 12 matched with the first positioning groove 312; one end of the seepage water conduit 1 is provided with a clamping block 13 for clamping the end plate 4, and the other end is provided with a threaded connecting port 14 and a sealing groove 15 for sealing with the end plate 4;
the end plate 4 is provided with a sleeve hole 41 which is sleeved on the permeate water conduit 1, and the sleeve hole 41 is provided with a second positioning groove 42 which is matched with the positioning convex rib 12.
Example 2: referring to fig. 1 to 7, a small square film assembly is different from that of embodiment 1 in that: the supporting thin sheet 23 of the flexible sheet membrane 2 is provided with a pressure adjusting channel, the flexible sheet membrane is provided with a combining part at the pressure adjusting channel, and the combining part is a part formed by welding a first membrane, a second membrane, a first flow passage cloth and a second flow passage cloth together through ultrasonic waves.
Claims (4)
1. The utility model provides a little square film subassembly, is in including permeable water pipe (1) that is provided with permeable hole (11), crisscross setting soft sheet membrane (2) and locking plate (3) on permeable water pipe (1) and setting end plate (4) at permeable water pipe (1) both ends, its characterized in that: a through hole for the water seepage conduit (1) to pass through is formed in the middle of the locking plate (3), a convex part (311) is arranged on the inner wall of the locking plate (3), and a water seepage flow channel (a) is formed between the water seepage conduit (1) and the inner wall of the locking plate (3) through the convex part (311);
the locking plate (3) is composed of an inner locking ring (31) close to the outer wall of the water permeating conduit (1), an outer locking ring (32) far away from the outer wall of the water permeating conduit (1) and a sealing ring (33) arranged between the inner locking ring (31) and the outer locking ring (32), and the sealing ring (33) is integrally formed by injection between the inner locking ring (31) and the outer locking ring (32);
a first positioning groove (312) is formed in the inner locking ring (31), and the convex part (311) is positioned at two ends of a notch of the first positioning groove (312);
the outer side of the permeable water conduit (1) is provided with a positioning rib (12) matched with the first positioning groove (312);
the end plate (4) is provided with a sleeve hole (41) sleeved on the permeable water conduit (1), and the sleeve hole (41) is provided with a second positioning groove (42) matched with the positioning convex rib (12);
one end of the permeable water conduit (1) is provided with a clamping block (13) for clamping the end plate (4), and the other end of the permeable water conduit is provided with a threaded connecting port (14) and a sealing groove (15) for sealing with the end plate (4).
2. The small square film assembly of claim 1, wherein: at least two inserting columns (313) are arranged on one side of the inner locking ring (31), and inserting grooves (314) matched with the inserting columns (313) are arranged at corresponding positions on the other side of the inner locking ring (31).
3. The small square film assembly of claim 2, wherein: the water seepage device is characterized in that a through hole for the water seepage conduit (1) to pass through is formed in the film sheet (2), a film sheet block (315) is arranged at the bottom of the inserting column (313), and the outer contour of the film sheet block (315) is used for supporting the inner contour of the through hole.
4. The small square film assembly as set forth in claim 1, wherein: the diaphragm membrane (2) comprises a first diaphragm (21), a second diaphragm (22) and a supporting sheet (23) arranged between the first diaphragm (21) and the second diaphragm (22), first runner cloth (24) is arranged between the first diaphragm (21) and the supporting sheet (23), and second runner cloth (25) is arranged between the second diaphragm (22) and the supporting sheet (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213900.8A CN107051209B (en) | 2017-03-30 | 2017-03-30 | Small square film component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213900.8A CN107051209B (en) | 2017-03-30 | 2017-03-30 | Small square film component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107051209A CN107051209A (en) | 2017-08-18 |
| CN107051209B true CN107051209B (en) | 2022-10-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710213900.8A Active CN107051209B (en) | 2017-03-30 | 2017-03-30 | Small square film component |
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| Country | Link |
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| CN (1) | CN107051209B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997002087A1 (en) * | 1995-06-30 | 1997-01-23 | Pall Corporation | Separation systems and methods |
| CN1777470A (en) * | 2003-05-02 | 2006-05-24 | 库诺公司 | Crossflow filtration system with quick dry change elements |
| CN101700471A (en) * | 2009-11-07 | 2010-05-05 | 湖州恒鑫过滤科技有限公司 | Plate type ultrafiltration membrane locking assembly |
| CN101879414A (en) * | 2010-07-07 | 2010-11-10 | 湖州恒鑫过滤科技有限公司 | Hard disk plate type ultrafiltration membrane locking component |
| CN103848529A (en) * | 2014-02-28 | 2014-06-11 | 长沙威保特环保科技有限公司 | Reverse osmosis-based high-concentration sewage treatment method |
| CN105126625A (en) * | 2015-09-16 | 2015-12-09 | 湖州恒鑫过滤科技有限公司 | Cross-flow membrane module |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020014449A1 (en) * | 1995-06-08 | 2002-02-07 | Luis Rios | Separation systems and methods |
-
2017
- 2017-03-30 CN CN201710213900.8A patent/CN107051209B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997002087A1 (en) * | 1995-06-30 | 1997-01-23 | Pall Corporation | Separation systems and methods |
| CN1777470A (en) * | 2003-05-02 | 2006-05-24 | 库诺公司 | Crossflow filtration system with quick dry change elements |
| CN101700471A (en) * | 2009-11-07 | 2010-05-05 | 湖州恒鑫过滤科技有限公司 | Plate type ultrafiltration membrane locking assembly |
| CN101879414A (en) * | 2010-07-07 | 2010-11-10 | 湖州恒鑫过滤科技有限公司 | Hard disk plate type ultrafiltration membrane locking component |
| CN103848529A (en) * | 2014-02-28 | 2014-06-11 | 长沙威保特环保科技有限公司 | Reverse osmosis-based high-concentration sewage treatment method |
| CN105126625A (en) * | 2015-09-16 | 2015-12-09 | 湖州恒鑫过滤科技有限公司 | Cross-flow membrane module |
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|---|---|
| CN107051209A (en) | 2017-08-18 |
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Address after: 313000 two floor of No. 29 standard workshop, Wuxing science and Technology Pioneer Park, eight Li Dian Town, Wuxing District, Huzhou, Zhejiang. Applicant after: HUZHOU DINGTAI STENCIL TECHNOLOGY Co.,Ltd. Address before: 313000 two floor of No. 29 standard workshop, Wuxing science and Technology Pioneer Park, eight Li Dian Town, Wuxing District, Huzhou, Zhejiang. Applicant before: DING TAI WATER TECHNOLOGY CO.,LTD. HUZHOU CITY |
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