CN100462131C - Folding tubing film and filter formed by said tubing film - Google Patents
Folding tubing film and filter formed by said tubing film Download PDFInfo
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- CN100462131C CN100462131C CNB200410051933XA CN200410051933A CN100462131C CN 100462131 C CN100462131 C CN 100462131C CN B200410051933X A CNB200410051933X A CN B200410051933XA CN 200410051933 A CN200410051933 A CN 200410051933A CN 100462131 C CN100462131 C CN 100462131C
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- filter
- membrane
- folding
- tubular membrane
- film
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Abstract
A folded tubular membrane use to prepare filter is prepared from the high-molecular membranes, filtration fabric, filtering screen, filter paper, or ceramic membranes through corrugating, longitudinal folding or overlapping in peak-to-peak mode, alternatively blocking the end faces, turning to become cylindrical body, and using glass fibres to wind on it or directly installing it in rectangular casing. Its advantages are high firmness, small size, and large filter area.
Description
Affiliated technical field
The present invention relates to the filtration and the purification techniques in fields such as water treatment and petrochemical industry light industry, especially a kind of folding tubular membrane filter.
Background technology
Known filter membrane can be divided into two kinds of tubular membrane and flat sheet membrane by its original-shape.Tubular membrane is to be the filter membrane of filter medium with the tube wall, has turbulent flow, and retaining power is big, and is insensitive to stopping up, easy cleaning, and advantage and design feature such as the drag losses that fluid flows in the film pipe is little are widely used in micro-filtration and ultrafiltration.Tubular membrane is divided into hollow fiber conduit (φ 1-2.5mm), three kinds of (φ 5-15mm), macropore pipes (φ 30-50mm) are managed in narrow hole.
What domestic and international application was wider is the doughnut tubular type ultrafiltration membrance filter device that spins with the preparation liquid spining technology.Doughnut tubular type membrane module loading density height, manufacturing expense is lower, but very sensitive to stopping up, and only is suitable for filtering through the oligosaprobic liquid of pretreated low turbidity.
The sintering tubular membrane of external diameter of pipe greater than 10mm adopted in micro porous filtration more, the φ that shows among the city-building industry standard CJ/T3068-1997 of the People's Republic of China (PRC) " sinterable polymer micropore tubular filter "
Outward31 * φ
In20 * 1000, φ 38
Outward* φ
In20 * 1000 and φ 50
Outward* φ
In30 * 1,000 three kinds of screen pipe specifications, with the thickness of pipe wall 5.5-10mm of macromolecule plastic powders sintering such as PE, PP, PVDF, filtering accuracy has totally eight kinds of 5 μ m～100 μ m, and filter area has 0.5～300m
216 regular sizes belong to pressure filter.Because sintered pipes is eccentric easily, thickness is generally greater than 2mm.Existing tubular membrane screen pipe wall thickness, energy consumption is big, easy contamination and plugging, the water backwash is not thorough, and the unit volume membrane area is little, and complex structure is made shortcomings such as difficulty.
Flat sheet membrane is applied in plate and frame module, folded form cartridge type membrane module and the spiral membrane module.Spiral membrane module only is applied to nanofiltration and reverse osmosis membrane assembly and part hyperfiltration membrane assembly because of shortcomings such as narrow, the easy pollution of runner, difficult cleanings, is used for advanced treating, is unsuitable for filtering suspended solid and the higher liquid of turbidity.Folding film filter is in order to increase filter area, a film to be become the bouffancy type by certain size with the specification inverted pleat, around being loaded on the cartridge type film filter of making in the cylinder, as the air cleaner of foldable filter element, machine and oil strainer (oily lattice) etc.Standard foldable filter element commonly used is that the filter membrane inverted pleat is outer in 2.75 " (70mm), long 10 " cylinder (250mm) around being contained in the water treatment, filter core internal diameter 25mm, that is to say, the high about 20mm of the pleat of bouffancy type filter membrane, the filter area of a foldable filter element is 0.5m only
2, a bigger filter needs a plurality of foldable filter elements series connection and parallel connection to be fixed in the filter just to make.Single foldable filter element, air cleaner or oily lattice have all that device is little, loading density is little and shortcoming such as water environment capacity is little, and its folding angle is very little, so runner is little, be unsuitable for the higher filtering flow of heavy contamination or turbidity, folding cartridge type film filter application also is restricted.
Summary of the invention
Easily stop up in order to overcome existing tubular membrane, shortcomings such as folding cartridge type membrane filter is little, loading density is little and water environment capacity is little and board-like film are in the deficiency of structure, application facet, the present invention uses for reference corrugated case and similar technology of honeycomb inclined-tube production and equipment, adopt the method for folding or shutoff to make a kind of folding tubular membrane board-like film, constitute the tubular membrane filter when making this tubular membrane.This filter membrane sound construction, it is big to dwindle the volume of filter and floor space and filter area, production method is simple, is suitable for making big type filter, and product is applicable to light industry petrochemical iy produced, city have stable political situation industrial water supply, recirculated water and sewage disposal and air filtration.
The present invention solves the technical scheme that its technical problem takes:
A kind of folding filter membrane, it is characterized in that utilizing corrugated case or honeycomb inclined-tube production or similar techniques and equipment, this filter membrane inverted pleat is processed into the cross section is wherein a kind of such as corrugated or trapezoidal shape, triangle dentation, rectangular toothed, back and forth folding again or alternately shutoff make folding tubular membrane and filter.This folding tubular membrane is arranged in parallel after making tubular filter, a side that is film is converted into a row feed tube (screen pipe), the opposite side of film constitutes the adjacent drain pipe of row, and feed tube and drain pipe size, shape are similar, are not to be looped around in the cylinder.Can the scale of certain thickness and intensity or the filter that the board-like film of macromolecule of random length length, various filter cloth, filter screen, filter paper or ceramic membrane base are made various different purposes will be had in this way.
Above-mentioned folding tubular membrane, it is characterized in that: same filter membrane is pressed to form the folding vestige that several inverted pleat unit parallel to each other and several and inverted pleat unit connect as one, the overlapping relatively applying of the crest of adjacent two inverted pleat unit, the folding vestige at two ends forms two end faces, one is as shutoff face, another end face opens wide and forms cavity, several adjacent cavities are respectively as runner before the filter of this cube tubular membrane filter and filter back runner, folding throw the net (hole) plate or the parallel filament of some and folding vestige that can press from both sides between two-layer is with the compression strength of enhancing membrane component.
Above-mentioned folding tubular membrane, it is characterized in that: said inverted pleat unit is individual scale filter membrane, the overlapping relatively applying of the crest of adjacent two individual scale filter membranes, the film two ends replace shutoff and form two end faces, one of them end face shutoff, another end face opens wide and forms cavity, end face shutoff that again will be adjacent with this unlimited end face.Several adjacent cavities that individual scale filter membrane of several that open wide constitutes are respectively as runner before the filter of this cube tubular membrane and filter back runner.Throw the net (hole) plate or some filaments parallel with end face of folder one between shutoff two-layer is with the compression strength of enhancing membrane component.
Above-mentioned folding tubular membrane, its feature also is: said filter membrane does not have the film applying of inverted pleat to form tubular membrane with one through inverted pleat processing and another, and an end shutoff forms a unit; With overlapping being fitted on another unit of unit shutoff end alignment, other end shutoff on the binding face.The filter membrane of the filter membrane of several inverted pleats and non-plaited is fitted with the direction juxtaposition in order like this, and end face replaces shutoff, forms the preceding runner (tubular membrane) of two shutoff end faces and some filters, filter back runner, constitutes cube tubular membrane filter.
The tubular membrane that above-mentioned folding filter membrane is made, it is characterized in that: said tubular membrane section is two similar circle or quadrangle, hexagon or triangles that ripple is relative.
The tubular membrane that above-mentioned folding filter membrane is made, it is characterized in that: said applying is with wherein a kind of methods such as hot melt stickup, adhesive stickup, welding and sewing, and two membranes is fixed together.
Filter with above-mentioned tubular membrane manufacturing, it is characterized in that: said cube tubular membrane is as using reinforcings such as fiberglass, clay or cement around the membrane module, make the shell of certain intensity, directly be installed in the rectangular case, perhaps directly be installed on and form filter in rectangle form pool (groove) body.
With the filter that above-mentioned tubular membrane is made, after it is characterized in that being lathed to cylinder around the said cube tubular membrane, be wound in a whole tubular type film filter with two ends end socket and feed inlet and outlet with epoxy resin fiberglass.
With the filter that above-mentioned tubular membrane is made, it is characterized in that this tubular membrane is that corrugation shape filter membrane constitutes, be installed on behind the skiving in the barrel-type casing, become air cleaner, oily lattice or household filter.
The invention has the beneficial effects as follows:
1. board-like film is folded folding tubular membrane of the present invention or shutoff is made, and constitutes filter when making this tubular membrane.
2. production method of the present invention is simple, suitability for industrialized production.Utilize corrugated case or honeycomb inclined-tube production similar techniques and equipment, the vertical section shape that makes flat sheet membrane become width with mechanical roll-in is corrugated or trapezoidal filter membrane, folding, the applying of machinery impression, a long board-like film promptly can be made into the very big corrugated or trapezoidal tubular type film filter of filter area.The present invention is than tube type filter membrance production automation degree height, the efficient height of prior art sintering, the output height, and cost is low.
3. tubular filter film of the present invention is compared with the tubular membrane of sintering, wall thickness is thinner, with corrugated polypropylene micro-filtration membrane is example, thickness is 0.2～0.5 millimeter, the screen pipe internal diameter that adjacent two inverted pleat unit form is 2～20mm, the nominal pore size of film is very little, is difficult for contaminated thing and stops up, and the unit are permeability rate and the interception of film improve greatly.
4. filter unit volume filter area of the present invention is big, the volume and the floor space of having dwindled filter greatly.With thickness 0.3mm, inscribed circle diameter φ 3mm polyvinylidene fluoride microporous filtering film is an example, and the effective film area of φ 325 * 1000 filters is 33m
2The effective film area of φ 600 * 1500, φ 800 * 1500 that the corrugated polyvinylidene fluoride film of pitch of waves 6mm peak height 5mm and unprocessed flat sheet membrane are made and 1000 * 1000 * 1000 filter is respectively 140m
2, 250m
2And 500m
2, its runner spaciousness, resistance is little.
4. tubular membrane of the present invention and filtration device structure are firm.Although filter membrane of the present invention is very thin, the screen pipe inscribed circle diameter is smaller, but fit mutually for four jiaos of the screen pipe inscribed circle symmetry that ripple forms relatively and form integral body, and folding two-layer between folder one throw the net (hole) plate or the parallel filament of some and folding vestige, strengthened the compression strength of membrane component.Do not have the film applying of inverted pleat to form the similar triangle in its cross section of tubular membrane with one through inverted pleat processing and another, can guarantee the screen pipe sound construction.
5. tubular membrane of the present invention and filter are applied widely.The filter of above-mentioned tubular membrane manufacturing both can be made the cylindrical shape pressure filter, can make cube again and be loaded in the pond as gravity filter.Be suitable for the light industry petrochemical industry and produce, also be suitable for feedwater and sewage disposal, be applicable to that also dedusting and air filtration purify.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a kind of continuous process schematic diagram of filter membrane.
Fig. 2 is the another kind of process schematic diagram continuously of filter membrane.
Fig. 3 is the side view of the folding cube filter of being sidelong.
Fig. 4 is the side view of the cube filter of the end face shutoff of being sidelong.
Fig. 5 is the cutaway view with a kind of cylindrical filter of Fig. 3, tubular membrane shown in Figure 4 processing.
Among the figure 1, filter membrane, 2, the filter membrane of inverted pleat, 3, folding or shutoff end face, 4, runner (tubular membrane) before the filter, 5, filter back runner, 6, position line (plate), 7, filter housing, 8, the filter end socket, 9, filter imports and exports.
The specific embodiment
Essence of the present invention is the board-like film of macromolecule, various filter cloth, filter screen, filter paper or the mechanical roll-in of ceramic membrane base, the vertical section shape that makes flat sheet membrane become the vertical run direction is corrugation shape or trapezoidal filter membrane, folding, the applying of mechanical again impression, a very long board-like film promptly can be made into very big corrugation shape of filter area or hexagon tubular membrane, be film unit assembling filter device independent or in parallel then with the tubular membrane, be used for the isolation of purified of suspension body.
A kind of specific embodiment of the present invention as shown in Figure 1, filter membrane (1) is a long outlying flat sheet membrane with certain thickness and intensity, certain width greater than minor face, through the filter membrane (2) of machining waviness (corrugation shape) inverted pleat.For example, adopt thick 0.2-0.5mm, the wide 300-1000mm of prior art production, the flat panel filter film of random length length, adopting roll-in machinery is 2-20mm along the length direction continuous rolling efferent echo distance of filter membrane, has the ripple of preceding crest and back crest, becomes corrugation shape filter membrane.
Filter membrane (2) the vertical section shape of the inverted pleat that forms after filter membrane of the present invention (1) roll-in comprises corrugation shape, trapezoidal shape, triangle, rectangle.The stupefied shape processing of invar is simple, and binding face is moderate and firm, and filter area becomes preferred manner of the present invention greatly, and trapezoidal is another optimal way of the present invention.
As Fig. 1, shown in Figure 3, length according to above-mentioned corrugation shape filter membrane, determine the folding line position, adopt the reciprocal folding mode of mechanical impression, same filter membrane is pressed to form the folding vestige that several folding units parallel to each other and several and folding unit connect as one, the overlapping relatively applying of the crest of adjacent two folding units, the folding vestige at two ends forms two end faces, the cube tubular membrane filter of forming required size, one is as shutoff face (3), another end face opens wide and forms cavity, and several adjacent cavities are respectively as runner (4) before the filter of this cube tubular membrane filter (7) and filter back runner (5).Folder one is thrown the net the parallel filament of (hole) plate or some and folding vestige as position line (plate) (6) between two-layer folding filter membrane (2), the compression strength of enhancing membrane component.
The cube tubular membrane filter that second kind of embodiment of the present invention is shown in Figure 3, folding unit wherein is individual scale filter membrane, the overlapping relatively applying of the crest of adjacent two individual scale filter membranes, the film two ends form two end faces (3), with one of them end face shutoff, another end face opens wide and forms cavity, end face shutoff that again will be adjacent with this unlimited end face.Some row adjacent cavities that individual scale filter membrane of several that open wide constitutes are respectively as runner (4) before the filter of this cube tubular membrane and filter back runner (5).
The third embodiment of the present invention such as Fig. 2, shown in Figure 4, unprocessed filter membrane (1) and the filter membrane (2) through the processing inverted pleat are fitted and are formed tubular membrane, and an end shutoff forms a unit; With overlapping being fitted on another unit of unit shutoff end alignment, other end shutoff on the binding face.The filter membrane (1) of filter membrane of several inverted pleats (2) and non-plaited is fitted with the direction juxtaposition in order like this, end face replaces shutoff, form the preceding runner (tubular membrane) (4) of two shutoff end faces (3) and some filters, filter back runner (5), constitute cube tubular membrane filter.The similar triangle in its cross section of the tubular membrane of Gou Chenging can guarantee the screen pipe sound construction like this.
To use reinforcings such as fiberglass, clay or cement around the cube tubular membrane filter of Fig. 3, Fig. 4, make the shell (7) of certain intensity, directly be installed in the rectangular case, perhaps directly be installed on and form filter in rectangle form pool (groove) body.
Shown in Figure 5, the cube tubular membrane filter of Fig. 3, Fig. 4 is lathed cylinder after, be wound in a whole tubular type film filter with epoxy resin fiberglass with two ends end socket (8) and feed inlet and outlet (9), separately or parallel connection be used for filter plant.As can be seen from Figure 5, the folding filter membrane of analysing and observe (2) is a continuous fold line, and material is separated.
According to technical advantage of the present invention, corrugated filter membrane with the wide enhancing filter paper roll-in pitch of waves 1-5mm of 50-200mm, adopt the reciprocal inverted pleat of mechanical impression, paste formation tubular membrane unit, be encapsulated in the filter cylinder behind the skiving, become minifilters, can be used as air cleaner, oily lattice and household filter.
Claims (2)
1. folding tubular membrane filter, it is characterized in that utilizing the technology and equipment of corrugated case or honeycomb inclined-tube production, the board-like film of macromolecule that will have certain thickness and intensity, filter cloth, filter screen, filter paper or ceramic membrane base, inverted pleat is processed into section and is corrugated or trapezoidal shape, the triangle dentation, wherein a kind of of rectangular toothed, again with folding filter membrane (1) the applying formation tubular membrane of another Zhang Weijing, the filter membrane (1) of filter membrane of several inverted pleats (2) and non-plaited is fitted with the direction juxtaposition in order, end face replaces shutoff and forms two shutoff end faces (3) and the preceding runner (4) of some filters, filter back runner (5), constitute the tubular membrane filter, this folding tubular membrane is arranged in parallel, a side that is film is converted into a row feed liquor screen pipe, and it is adjacent that the opposite side of film constitutes row, the similar drain pipe of size with shape.
2. tubular membrane filter according to claim 1, it is characterized in that, with fiberglass, clay or cement stabilization, make the shell (7) of certain intensity around the cube tubular membrane filter, directly be installed in the rectangular case, perhaps directly be installed in rectangle form pool or the cell body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410051933XA CN100462131C (en) | 2004-10-26 | 2004-10-26 | Folding tubing film and filter formed by said tubing film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410051933XA CN100462131C (en) | 2004-10-26 | 2004-10-26 | Folding tubing film and filter formed by said tubing film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1623636A CN1623636A (en) | 2005-06-08 |
| CN100462131C true CN100462131C (en) | 2009-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410051933XA Expired - Fee Related CN100462131C (en) | 2004-10-26 | 2004-10-26 | Folding tubing film and filter formed by said tubing film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100462131C (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG184909A1 (en) | 2010-04-20 | 2012-11-29 | Fibracast Ltd | Formed sheet membrane element and filtration system |
| CN102078711B (en) * | 2010-12-16 | 2012-12-26 | 江苏新纪元环保有限公司 | Inclined pipe and clarifying/precipitating device for separating mud from water |
| WO2013056373A1 (en) | 2011-10-20 | 2013-04-25 | Fibracast Ltd. | Coating device and process for coating formed sheet membrane element |
| CN103263795A (en) * | 2013-03-25 | 2013-08-28 | 扬州润达气动液压成套设备有限公司 | External filter |
| CN105983264A (en) * | 2015-02-11 | 2016-10-05 | 天津翼高腾飞电解技术有限公司 | Multichannel corrugated basket filter |
| CN106823617A (en) * | 2017-03-31 | 2017-06-13 | 盛春莉 | A kind of filter medium bag, air cleaner and filter medium packet preparation method |
| CN114984689A (en) * | 2017-08-22 | 2022-09-02 | 唐纳森公司 | Fluted filter media, filter media pack, and filter element |
| CN110652880B (en) * | 2019-10-12 | 2021-12-21 | 杭州求是膜技术有限公司 | Membrane filtration unit and flat membrane element |
| CN112915634B (en) * | 2021-01-27 | 2022-04-22 | 湖南普菲克生物科技有限公司 | Bacillus subtilis fermentation liquid concentration device |
| CN113277576B (en) * | 2021-05-14 | 2022-08-26 | 广州市艾瑞空气净化设备有限公司 | Particle micro-vibration type filter layer based on PP material |
| CN113400667B (en) * | 2021-07-08 | 2023-01-10 | 恒信润丰科技开发（北京）有限公司 | Filter membrane and preparation method thereof |
| CN114515512A (en) * | 2022-03-26 | 2022-05-20 | 付建梅 | Hydrophilic polyvinylidene fluoride nanofiltration membrane and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075533U (en) * | 1990-04-09 | 1991-04-24 | 成都长虹塑料厂 | Hexagon inclined tube |
| JPH1099621A (en) * | 1996-09-25 | 1998-04-21 | Toshiba Eng Co Ltd | Precoating of filter |
| CN1100007C (en) * | 1998-10-12 | 2003-01-29 | 浙江京泰水工业设备有限公司 | Framed corrugated board coagulator |
| WO2004082810A1 (en) * | 2003-03-18 | 2004-09-30 | Blue Membranes Gmbh | Membrane plate module |
-
2004
- 2004-10-26 CN CNB200410051933XA patent/CN100462131C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075533U (en) * | 1990-04-09 | 1991-04-24 | 成都长虹塑料厂 | Hexagon inclined tube |
| JPH1099621A (en) * | 1996-09-25 | 1998-04-21 | Toshiba Eng Co Ltd | Precoating of filter |
| CN1100007C (en) * | 1998-10-12 | 2003-01-29 | 浙江京泰水工业设备有限公司 | Framed corrugated board coagulator |
| WO2004082810A1 (en) * | 2003-03-18 | 2004-09-30 | Blue Membranes Gmbh | Membrane plate module |
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| Publication number | Publication date |
|---|---|
| CN1623636A (en) | 2005-06-08 |
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Granted publication date: 20090218 Termination date: 20111026 |