CN103566765A - Novel hollow fiber membrane filter element - Google Patents

Novel hollow fiber membrane filter element Download PDF

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Publication number
CN103566765A
CN103566765A CN201310474735.3A CN201310474735A CN103566765A CN 103566765 A CN103566765 A CN 103566765A CN 201310474735 A CN201310474735 A CN 201310474735A CN 103566765 A CN103566765 A CN 103566765A
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filter
sealant
water
hollow
filter element
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CN201310474735.3A
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CN103566765B (en
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颜小平
吕静
张海渝
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CHONGQING XIERCHUANG TECHNOLOGY Co Ltd
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CHONGQING XIERCHUANG TECHNOLOGY Co Ltd
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Abstract

The invention provides a novel hollow fiber membrane filter element. The novel hollow fiber membrane filter element comprises a water purifying unit, a water producing pipe and a filter element shell, wherein the water purifying unit comprises a hollow fiber membrane (1) and a sealing layer (2); the hollow fiber membrane is formed by a plurality of hollow fiber membrane wires through gathering, and the hollow fiber membrane wires are wound to be a U shape. The novel hollow fiber membrane filter element is characterized in that a sealed hollow cube is adopted as the structure of the sealing layer, an opening is arranged on the sealing layer, the opening penetrates through the sealing layer, the sealing layer hollow cube is arranged in the filter element, the sealing layer is fixed in the middle of the filter element, and a distance is maintained between the outer surface of the bottom part of the sealing layer and the upper surface of the bottom shell of the filter element. The filter element provided by the invention has the characteristics of high hollow fiber membrane component filling density and reduced pressure of a liquid material side. Meanwhile, the filter element has the characteristics of high flow rate of the liquid material, contamination resistance and convenience in cleaning of a box type filter element. The manufacturing cost of the filter element is low, a relatively high water producing rate is provided, the utilization efficiency of the membrane is high, the dirt is not likely to deposit, and the filter element is easy to clean and maintain.

Description

A kind of Novel hollow tunica fibrosa filter core
Technical field
The present invention relates to a kind of hollow fiber membrane cartridge, be specifically related to a kind of hollow fiber membrane cartridge with new structure.
The invention still further relates to the tank kettle shape water purifier and pot type or the bench type filter that use above-mentioned hollow fiber membrane cartridge.
Background technology
Membrane separation technique is a kind of isolation technics that solution or gaseous matter are separated, concentrated and purify that is widely used in.Membranous wall micropore gathers, and stoste is by a side of film under certain pressure, and it is filter liquor that solvent and little molecule solute see through membranous wall, and large molecule solute tunicle is held back, and reaches separating substances and concentrated object.In water purification industry, with hollow-fibre membrane, make filter core and come the technology of filtration, purification water quality to be widely used.
Known hollow fiber membrane cartridge has two kinds of forms, and a kind of is that many hollow fiber film threads are flocked together, with encapsulant sealed hollow tunica fibrosa silk two ends.Allow hollow fiber film thread be dispersed in encapsulant.And allowing hollow fiber film thread one end inner tube keep sealing, the maintenance of another terminal membrane silk inner tube is unimpeded.Film silk two ends are fixing with encapsulant sealing with filter element shell respectively; Another kind of filter core as shown in Figure 2, is that middle tunica fibrosa filament winding is become to " U " shape, and many hollow fiber film threads flock together, and with fixing " U " shape openend of encapsulant sealing, and keeps film fiber tube unimpeded.Hollow fiber film thread is dispersed in encapsulant, and film silk " U " shape openend and filter element shell are fixing with encapsulant sealing.The common feature of these two kinds of hollow fiber membrane cartridges is, filter core shape is elongated tubular, does not purify waste water after film fiber tube wall membrane filtration, and gained treated water flows out from hollow-fibre membrane tube opening end; The sealant that sealing immobilization material between hollow-fibre membrane inner tube openend and housing is made is plate-like structure; Hollow fiber film tube openend is fixed in purifier lower end.Adopt above-mentioned hollow fiber membrane cartridge to have several problems.
The one,, the sealed end that hollow-fibre membrane fiber tube passes, because the distributed quantity of hollow-fibre membrane is subject to the restriction of sealed end area of plane size, when particularly purifier is long tubular structure, its sealed end area of plane is little, and in the certain situation of packed density, the hollow fiber film tube quantity of distribution is few, the product aquaporin of treated water is little, and the water purification cartridge water speed of buying property is low.
Secondly, in Water treatment, because above-mentioned hollow fiber conduit openend is in purifier lower end, film is fixing below purifier.Under Action of Gravity Field, the dirt deposition in not purifying waste water is in bottom.This makes the root of film silk easily accumulate dirt, and the dirt of deposition is difficult for leaving, and dirt is piled up gradually, and upwards accumulation, blocks the effective filtration area that has reduced film silk, makes not easy cleaning of filter core, Efficiency Decreasing.
Moreover, above-mentioned hollow fiber membrane cartridge, many hollow fiber film threads flock together, for improving filter efficiency, film silk requires to have higher packed density, between film tow film silk, together, film silk surface contacts insufficiently with not purifying waste water upper and lower close-packed arrays, and film silk is subject to the relative motion degree of water currents generation lower when water purification.This makes dirt easily at film silk surface deposition, causes face to stop up, the Efficiency Decreasing of film.
Summary of the invention
For overcoming the above problems, the invention provides a kind of Novel hollow tunica fibrosa filter core, this filter core has more product aquaporin, and the root of film silk is not in filter core bottom, film silk surface contacts fully with treated water not, and film silk is subject to the relative motion degree of water currents generation high when water purification.
For reaching above-mentioned purpose, technical scheme of the present invention is: a kind of Novel hollow tunica fibrosa filter core, as shown in Figure 1, comprise water purification unit, water producing pipe, filter-core shell, and described water purification unit comprises hollow-fibre membrane (1), sealant (2).Described hollow-fibre membrane is pooled and is formed by many hollow fiber film threads, and hollow fiber film thread is coiled into " U-shaped "; Described sealant structure is airtight hollow cube, and sealant is provided with opening, and opening connects sealant, and open amount is not less than 1; Described sealant is fixing in the middle of filter core, and at the bottom of sealant bottom outer surface and filter-core shell, upper surface keeps spacing.At the bottom of sealant, at the bottom of outer surface and filter-core shell, the spacing h of upper surface is not less than 5mm.Hollow fiber film thread " U-shaped " openend passes sealant inner surface from sealant, and fixes with sealant, and it is unimpeded that film silk inner tube keeps, and water producing pipe is connected on sealant opening.
Described hollow-fibre membrane can be used reverse osmosis membrane, nanofiltration membrane, milipore filter and microfiltration membranes.Material comprises polyethylene, polypropylene, cellulose, cellulose acetate, Kynoar etc., and their composite.Described sealant, is solidify to form by jointing material, and jointing material comprises epoxy resin, polyurethane resin, vistanex etc.Described hollow cube can be hollow ball, hollow cylinder or other irregular hollow cube.For ease of a plurality of series connection uses and product manufacture, the preferred hollow cylinder of the present invention.
The column sealed metafiltration core of the present invention, as shown in Figure 4, comprises water purification unit, water producing pipe.Water purification unit as shown in Figure 3, comprises hollow-fibre membrane 1, sealant 2.Water producing pipe comprises gathering sill 7, inlet opening 8, lead 12.Sealant is frozen into hollow cylinder by jointing material, and sealant is fixing in the middle of filter core, and itself and filter case 4 inwalls keep spacing, and its spacing (h) is not less than 5mm, and sealant is established two openings, opening up/down perforation.Hollow fiber film thread 1 is coiled into " U-shaped ", and film silk " U-shaped " openend passes sealant to its inner surface from sealant outer surface.Hollow-fibre membrane is fixed with sealant, and it is unimpeded that film silk inner tube keeps.Described sealant inner surface is provided with gathering sill 7, and water producing pipe outer surface is provided with lead 12, and sealant is sleeved on water producing pipe by gathering sill 7, lead 12, and sealant, water producing pipe can be installed separately, dismantle.Water producing pipe 3 is provided with positioner 11, and the upper and lower end face of water purification unit sealant is by sealing ring 10 by seal cover 9 press seals, and seal cover 9 is spirally connected with water producing pipe.
Do not purify waste water and 5 from hollow fiber film thread outer surface, enter hollow-fibre membrane inner tube, purifying waste water of hollow-fibre membrane inner tube enters water producing pipe by water producing pipe inlet opening 8, remove by filter bacterium or microorganism at interior diameter at 0.1um or trickleer particulate, reach the object that purifies water.Purify waste water 6 by water producing pipe collection use.
This filter core water purification unit can used aloned, also can a plurality of series connection use, and can also a plurality of series connection add use in parallel.
Filter core of the present invention, it is hollow stereochemical structure that described sealant becomes classic flat-plate shape structure.This makes this filter core sealant have larger surface area.The cylindrical filter core of the high 100mm of diameter 100mm of take is example: adopting its sealant surface area of plate-like structure is as shown in Figure 2 π r 2=3.14 * 50 * 50=7850mm 2; If adopt hollow circuit cylinder body structure as shown in Figure 4, it is 22mm that this filter core can be made an internal diameter, and external diameter is 27mm, the sealant of high 100mm, and it is 2 π rh=2 * 3.14 * 22 * 100=13816mm that its cylindrical inner surface is amassed 2(cylinder two end surface area are disregarded), the latter's surface area is the former 1.76 times.Under identical packed density, its surface more hollow fiber film thread that can distribute, the product aquaporin of purifying waste water is many, and the water purification cartridge water speed of buying property is fast.
Filter core of the present invention, sealant is fixing in the middle of filter core, its outer surface and filter case inwall are kept at a distance, sealant contacts with shell zero, do not purify waste water side form silk and sealant joint portion away from filter core bottom, be different from that traditional filter core sealant and hollow-fibre membrane are fixing in filter core bottom as shown in Figure 2, sealant and filter case directly touch, do not purify waste water side form silk and sealant binding site in filter core bottom, therefore under Action of Gravity Field, be deposited on the dirt of filter core bottom, can not accumulate in the film silk root of this filter core sealant outer surface.This makes the effective filtration area of film silk be difficult for reducing, and the service efficiency of film is high.
Further, above-mentioned filter core can be connected with screw thread, sealing ring with housing by water producing pipe.Each parts can carry out installation and removal at an easy rate, and filter core easily cleans, and the replacement cost of membrane module is lower.
Moreover, above-mentioned hollow fiber membrane cartridge, many parallel the flocking together of hollow fiber film thread, be fixed on sealant surrounding, sealant forms hollow three-dimensional structure, and a plurality of filter cores can be used in connection in series-parallel, under water producing pipe guide functions, membrane module can produce mandatory flowing.During film tow floats on and does not purify waste water, film silk surface with do not purify waste water contact abundant.The relative motion degree that film silk is produced by water currents when water purification is higher.This is difficult at film silk surface deposition dirt, and the service efficiency of film is high.
Further, filter core membrane filter unit of the present invention adopts hollow-fibre membrane, and the cost of manufacture of filter core is lower than tubular type and deckle board formula film.
The feature that filter core of the present invention has that hollow fiber film assembly packed density is high, feed liquid side pressure reduces has that frame plate filter element feed velocity is high, a feature of antipollution, easy cleaning simultaneously.This filter core cost of manufacture is low, has higher product water speed, and the service efficiency of film is high, and dirt is difficult for deposition, is convenient to clean and maintenance.
In addition, the invention still further relates to kettle shape water purifier and pot type or the bench type filter that uses above-mentioned hollow fiber membrane cartridge.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is doughnut filter cartridge construction schematic diagram of the present invention
Fig. 2 is traditional doughnut filter core schematic diagram
Fig. 3 is filter core modular structure schematic diagram of the present invention
Fig. 4 is filter core element schematic diagram of the present invention
Fig. 5 is filter core water producing pipe schematic diagram of the present invention
Fig. 6 is filter core bench type filter schematic diagram of the present invention
Fig. 7 is filter core pot type filter schematic diagram of the present invention
Fig. 8 is filter core kettle shape filter schematic diagram of the present invention.
The specific embodiment
A tunica fibrosa filter core, as shown in Figure 4, comprises water purification unit, water producing pipe.Water purification unit comprises hollow-fibre membrane 1, sealant 2.Water producing pipe as shown in Figure 5, comprises gathering sill 7, inlet opening 8, lead 12, lead pillar 13.Sealant is frozen into hollow cylinder by jointing material, and sealant is fixing in the middle of filter core, and sealant is provided with opening, and opening connects sealant, and open amount is not less than 1; Described sealant is fixing in the middle of filter core, and at the bottom of sealant bottom outer surface and filter-core shell, upper surface keeps spacing, and spacing is 25mm.Hollow fiber film thread 1 is coiled into " U-shaped ", and film silk " U-shaped " openend passes sealant to its inner surface from sealant outer surface.Hollow-fibre membrane is fixed with sealant, and it is unimpeded that film silk inner tube keeps.Water producing pipe 3 is provided with positioner 11, and water purification unit is sleeved on water producing pipe by gathering sill 7, lead 12, and the upper and lower end face of water purification unit sealant is by sealing ring 10 by seal cover 9 press seals, and seal cover 9 is spirally connected with water producing pipe.
Do not purify waste water and 5 from hollow fiber film thread outer surface, enter hollow-fibre membrane inner tube, purifying waste water of hollow-fibre membrane inner tube enters water producing pipe by water producing pipe inlet opening 8, remove by filter bacterium or microorganism at interior diameter at 0.1um or trickleer particulate, reach the object that purifies water.Purify waste water 6 by water producing pipe collection use.
This filter core water purification unit can used aloned, also can a plurality of series connection use, and can also a plurality of series connection add use in parallel.
case study on implementation one
A filter, as shown in Figure 6, comprises water purification of the present invention unit 14, water producing pipe 15, does not purify waste water 5.This filter is composed in series a filter element by 2 water purification unit 14, and a plurality of filter elements are installed in parallel into bench type filter; Water purification unit (14), water producing pipe (15) can be installed separately, dismantle.This filter is arranged on not in purification water pool.Do not purify waste water and 5 by filter element, filter, be purified water.Treated water is collected and is used by water producing pipe.
It is convenient that this apparatus moduleization filter element is changed, and has hollow-fibre membrane and deckle board formula filter advantage, is applicable to the occasion that water treatment amount is larger.
case study on implementation two
A tubular element, as shown in Figure 7, comprises water purification of the present invention unit 14, housing 16, the import 17 of not purifying waste water, water producing pipe 3, sewage draining exit 18.3 groups of water purification unit 14 are in series arranged on water producing pipe 3 up and down, and water purification unit 14, water producing pipe 3 can be installed separately, dismantle.Not purifying waste water 5 enters by the import 17 of not purifying waste water, and after water purification unit 14 filters, purifies waste water 6 by water producing pipe 3 outlet outputs.
This device can used aloned replaces household water filter water purification catridge, also can a plurality of modes with series and parallel installs and is arranged on tap water pipeline, can also promote not purify waste water to pass through filter element filtering with booster pump supercharging mode.
case study on implementation three
?, as shown in Figure 8, comprise kettle body 19, preposition filter cartridge 20, it is characterized in that being no less than 1 water purification unit 14 and be installed in series up and down in preposition filter cartridge lower end; Water purification unit 14 can be installed separately, dismantle with preposition filter cartridge 20.Between filter assemblies, be spirally connected, and seal with sealing ring.Described water purification filter box box body up/down perforation.
The in-built silver ion activated carbon filter media of the first filter box 21, peculiar smell, chlorine, residues of pesticides etc. in filtering water; KDF55 gold filter medium is housed in the second filter box 22.KDF55 is a kind of highly purified ormolu.It is to utilize copper and the zinc redox reaction in water, and a kind of electrochemical reaction, carrys out the heavy metal in filtering water, as (lead, mercury, copper, iron etc.), chlorine, hydrogen sulfide in other words conj.or perhaps.
Do not purify waste water after the first filter box, the second filter box, through hollow fiber membrane cartridge of the present invention, filter, remove diameter at 0.1um or trickleer particulate, reach the object that purifies water.Treated water enters kettle body bottom and stores use.Because hollow fiber membrane cartridge water purification speed of the present invention is fast, be specially adapted to rely on level pressure poor, without the purifying kettle of external force supercharging.
Above-described is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; do not departing under the prerequisite of structure of the present invention; can also make some distortion and improvement; these also should be considered as the protection domain of invention, and these can not affect effect of the invention process and practical applicability.

Claims (9)

1. a Novel hollow tunica fibrosa filter core, comprise water purification unit, water producing pipe, filter-core shell, water purification unit comprises hollow-fibre membrane (1), sealant (2), described hollow-fibre membrane is converged and is formed by many hollow fiber film threads, hollow fiber film thread is coiled into " U-shaped ", it is characterized in that described sealant structure is airtight hollow cube, sealant is provided with opening, opening connects sealant, described sealant is fixed in the centre of filter-core shell, and at the bottom of sealant bottom outer surface and filter-core shell, upper surface keeps spacing.
2. Novel hollow tunica fibrosa filter core according to claim 1, is characterized in that described hollow cube is hollow ball or hollow cylinder or other irregular hollow cube.
3. Novel hollow tunica fibrosa filter core according to claim 1, is characterized in that described sealant is provided with opening, and open amount is not less than 1 road.
4. Novel hollow tunica fibrosa filter core according to claim 1, is characterized in that the spacing (h) of upper surface is not less than 5mm at the bottom of sealant bottom outer surface and filter-core shell.
5. Novel hollow tunica fibrosa filter core according to claim 1 is characterized in that, described sealant inner surface is provided with gathering sill (7), water producing pipe outer surface is provided with lead (12), sealant is sleeved on water producing pipe by gathering sill (7), lead (12), and sealant, water producing pipe can be installed separately, dismantle.
6. Novel hollow tunica fibrosa filter core according to claim 1 is characterized in that, described water purification unit can used aloned, also can a plurality of series connection use, and can also a plurality of series connection add use in parallel.
7. a bench type filter, comprise water purification of the present invention unit (14), water producing pipe (15), do not purify waste water (5), it is characterized in that this filter consists of the filter element parallel connection that is no less than 2 groups, described filter element is composed in series by the water purification unit (14) that is no less than 2 groups; Water purification unit (14), water producing pipe (15) can be installed separately, dismantle.
8. a pot type tubular element, comprise water purification of the present invention unit (14), housing (16), the import of not purifying waste water (17), water producing pipe (3), sewage draining exit (18), the water purification unit (14) that it is characterized in that being no less than 2 is installed in series up and down on water producing pipe (3); Water purification unit (14), water producing pipe (3) can be installed separately, dismantle.
9. a purifying kettle, comprises kettle body (19), water purification unit (14), preposition filter cartridge (20), it is characterized in that water purification unit (14) is arranged on preposition filter cartridge lower end; Water purification unit (14) can be installed separately, dismantle with preposition filter cartridge (20).
CN201310474735.3A 2013-10-12 2013-10-12 Novel hollow fiber membrane filter element Active CN103566765B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103949161A (en) * 2014-05-10 2014-07-30 重庆喜尔创科技有限责任公司 Novel hollow fiber membrane filter core and manufacturing method thereof
CN104084051A (en) * 2014-07-08 2014-10-08 重庆喜尔创科技有限责任公司 Making method of hollow fiber membrane filter element sealing layer with three-dimensional structure
CN111494997A (en) * 2020-04-24 2020-08-07 廊坊艾科曼材料有限公司 Fiber filter and manufacturing method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2207868Y (en) * 1994-09-06 1995-09-20 杭州富春江精微膜分离厂 Purifying kettle
CN1830531A (en) * 2005-03-09 2006-09-13 浙江欧美环境工程有限公司 Floating suspenion hollow fiber porous film filter component element
CN101234819A (en) * 2008-03-07 2008-08-06 北京汉青天朗水处理科技有限公司 Hollow fiber membrane modular
CN203564969U (en) * 2013-10-12 2014-04-30 重庆喜尔创科技有限责任公司 Novel hollow fiber film filter element, filtering device and water purifying kettle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2207868Y (en) * 1994-09-06 1995-09-20 杭州富春江精微膜分离厂 Purifying kettle
CN1830531A (en) * 2005-03-09 2006-09-13 浙江欧美环境工程有限公司 Floating suspenion hollow fiber porous film filter component element
CN101234819A (en) * 2008-03-07 2008-08-06 北京汉青天朗水处理科技有限公司 Hollow fiber membrane modular
CN203564969U (en) * 2013-10-12 2014-04-30 重庆喜尔创科技有限责任公司 Novel hollow fiber film filter element, filtering device and water purifying kettle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103949161A (en) * 2014-05-10 2014-07-30 重庆喜尔创科技有限责任公司 Novel hollow fiber membrane filter core and manufacturing method thereof
CN104084051A (en) * 2014-07-08 2014-10-08 重庆喜尔创科技有限责任公司 Making method of hollow fiber membrane filter element sealing layer with three-dimensional structure
CN104084051B (en) * 2014-07-08 2016-02-03 重庆喜尔创科技有限责任公司 A kind of hollow fiber membrane cartridge sealant preparation method with stereochemical structure
CN111494997A (en) * 2020-04-24 2020-08-07 廊坊艾科曼材料有限公司 Fiber filter and manufacturing method thereof

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