CN105774149B - A kind of composite filter material available for gas-liquid separation - Google Patents

A kind of composite filter material available for gas-liquid separation Download PDF

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Publication number
CN105774149B
CN105774149B CN201610176347.0A CN201610176347A CN105774149B CN 105774149 B CN105774149 B CN 105774149B CN 201610176347 A CN201610176347 A CN 201610176347A CN 105774149 B CN105774149 B CN 105774149B
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layer
filter material
gas
composite filter
liquid separation
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CN201610176347.0A
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CN105774149A (en
Inventor
曾影
秦大江
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Chongqing Zaisheng Purification Equipment Co ltd
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Chongqing Zaisheng Purification Equipment Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0223—Vinyl resin fibres
    • B32B2262/0238—Vinyl halide, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres

Landscapes

  • Filtering Materials (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention discloses a kind of composite filter material available for gas-liquid separation, the filtering material includes contact layer, trapping layer and hydrophobic film layer.The contact layer is made up of a diameter of 5~15 μm of synthetic fibers, its thickness is 3mm 150mm, the trapping layer is made up of a diameter of 15 20 μm of bicomponent fibers and a diameter of 0.1 4.5 μm of microfibre, its thickness 6mm 300mm, the hydrophobic film layer is made up of polyethylene, polypropylene, Kynoar or polyether sulfone, and thickness is 0.1~0.5mm.Composite filter material disclosed in this invention can keep higher separative efficiency, can also keep longer service life.

Description

A kind of composite filter material available for gas-liquid separation
Technical field
The invention belongs to gas-liquid separation field, and in particular to a kind of composite filter material available for gas-liquid separation.
Background technology
Gas-liquid separation device is usually used in petrochemical industry, chemical industry, the purification separation of unstripped gas in such as synthesis ammonia, nitric acid, methanol production, The technical process such as gas extraction, storing and deep processing, diesel oil hydrogenation tail gas recycle.Its purpose is to prevent harmful liquid The equipment such as gas processing, storage, transport are caused damage.
Conventional gas-liquid separation device principle has following several, is settling methods, impaction, centrifugal process and filtering respectively Method.First three methods belong to Mechanical Method, it is necessary to use large-scale experiment device, and its volume is big, efficiency is low, to gas filter plate requirement Relatively low technical process can be used.Filtration method has higher filter effect, can remove 1 μm or so of drop, acid-mist-removing effect Rate can reach 98%~99%.But usually there is the phenomenon for blocking mesh in traditional filtering material, therefore service life is not long, needs Often clean or change.
Therefore, a kind of good filtration effect, long lifespan are invented, and gas-liquid separation material easy to use seems very urgent.
The content of the invention
In view of this, it is an object of the invention to provide a kind of composite filter material available for gas-liquid separation,
To reach above-mentioned purpose, the invention provides following technical scheme：
A kind of composite filter material available for gas-liquid separation, the filtering material includes contact layer, trapping layer and hydrophobic Film layer.
It is preferred that, the contact layer is made up of a diameter of 5~15 μm of synthetic fibers, and its thickness is 3mm-150mm, described Synthetic fibers are polypropylene, polyether sulfone, polytetrafluoroethylene (PTFE), polyethylene, Kynoar, polyacrylonitrile, polyamide or polyester, institute State synthetic fibers and carry out hydrophilic modifying processing using preceding.
It is preferred that, the trapping layer is by a diameter of 15-20 μm of bicomponent fibers and a diameter of 0.1-4.5 μm of microfibre Composition, its thickness is 6mm-300mm, is counted in mass ratio, and bicomponent fibers accounting is 40-60% in the trapping layer.
It is preferred that, the bicomponent fibers are skin-core structure, and top layer has hydrophobicity, and outer layer fiber fusing point is fine less than internal layer Fusing point is tieed up, the microfibre is passed through from the cortex of bicomponent fibers.
It is preferred that, the bicomponent fibers are PE/PP, CO-PET/PET or PE/PET.
It is preferred that, the microfibre is natural fiber, with hydrophily.
It is preferred that, the microfibre is glass fibre, cellulose, wool or silk.
It is preferred that, the hydrophobic film layer is made up of polyethylene, polypropylene, Kynoar or polyether sulfone, and it is uniformly distributed Aperture is 0.4-10 μm of aperture.
It is preferred that, the hydrophobic film layer thickness is 0.1~0.5mm.
The beneficial effects of the present invention are：The separation that composite filter material disclosed in this invention can keep higher is imitated Rate, can also keep longer service life.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below：
Fig. 1 represents the structural representation of composite filter material；
Fig. 2 represents the structural representation of trapping layer.
Embodiment
The preferred embodiments of the present invention are described in detail below.The experiment side of unreceipted actual conditions in embodiment Method, generally according to normal condition or according to the condition proposed by manufacturer.
Embodiment 1
With reference to Fig. 1, Fig. 2, the implementation case will provide a kind of composite filter material available for gas-liquid separation.Wherein Fig. 1 The structural representation of composite filter material is represented, Fig. 2 represents the structural representation of trapping layer.
Composite filter material has contact layer, trapping layer, the part of hydrophobic film layer 3.Contact layer thickness 40mm, using polypropylene Doughnut, average fibre diameter is 8 μm, using preceding using with compared with strongly hydrophilic.Trapping layer thickness is 60mm, using PE/ PP two-components core skin structure fiber is fiber compound structure, a diameter of 15 μm of bicomponent fibers, with hydrophobicity, accounting with glass 42%, glass fiber diameter is 5 μm, with hydrophily, accounting 58%.Hydrophobic film layer thickness is 0.2mm, using polyethylene material Material, 2 μm of aperture.
Embodiment 2
With reference to Fig. 1, Fig. 2, the implementation case will provide a kind of composite filter material available for gas-liquid separation.Wherein Fig. 1 The structural representation of composite filter material is represented, Fig. 2 represents the structural representation of trapping layer.
Composite filter material has contact layer, trapping layer, the part of hydrophobic film layer 3.Contact layer thickness 20mm, using polyether sulfone Doughnut, average fibre diameter is 5 μm, using preceding using with compared with strongly hydrophilic.Trapping layer thickness is 50mm, using CO- PET/PET two-components core skin structure fiber and cellulose fibre composite construction, a diameter of 15 μm of bicomponent fibers, with hydrophobic Property, accounting 40%, a diameter of 4 μm of cellulose fibre, with hydrophily, accounting 60%.Hydrophobic film layer thickness is 0.3mm, is used Polythene material, 2 μm of aperture.
Embodiment 3
With reference to Fig. 1, Fig. 2, the implementation case will provide a kind of composite filter material available for gas-liquid separation.Wherein Fig. 1 The structural representation of composite filter material is represented, Fig. 2 represents the structural representation of trapping layer.
Composite filter material has contact layer, trapping layer, the part of hydrophobic film layer 3.Contact layer thickness 100mm, using poly- second Alkene doughnut, average fibre diameter is 10 μm, using preceding using with compared with strongly hydrophilic.Trapping layer thickness is 250mm, is used PE/PET two-components core skin structure fiber and silk fiber composite construction, a diameter of 15 μm of bicomponent fibers, with hydrophobicity, are accounted for Than 55%, a diameter of 10 μm of silk fiber, with hydrophily, accounting 45%.Hydrophobic film layer thickness is 0.5mm, using poly- inclined fluorine Vinyl material, 4 μm of aperture.
Composite filter material prepared by above-described embodiment has good separative efficiency, and service life is very long.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical Cross above preferred embodiment the present invention is described in detail, it is to be understood by those skilled in the art that can be Various changes are made to it in form and in details, without departing from claims of the present invention limited range.

Claims (5)

1. a kind of composite filter material available for gas-liquid separation, it is characterised in that the filtering material includes contact layer, trapping Layer and hydrophobic film layer；
The contact layer is made up of a diameter of 5 ~ 15 μm of synthetic fibers, and its thickness is 3mm-150mm, and the synthetic fibers are poly- Propylene, polyether sulfone, polytetrafluoroethylene (PTFE), polyethylene, Kynoar, polyacrylonitrile, polyamide or polyester, the synthetic fibers make With preceding carrying out hydrophilic modifying processing；
The trapping layer is made up of a diameter of 15-20 μm of bicomponent fibers and a diameter of 0.1-4.5 μm of microfibre, its thickness For 6mm-300mm, the microfibre has hydrophily, counted in mass ratio, and bicomponent fibers accounting is 40- in the trapping layer 60%；
The bicomponent fibers are skin-core structure, and top layer has hydrophobicity, and outer layer fiber fusing point is less than inner fiber fusing point, described Microfibre is passed through from the cortex of bicomponent fibers.
2. a kind of composite filter material available for gas-liquid separation according to claim 1, it is characterised in that the two-component Fiber is PE/PP, CO-PET/PET or PE/PET.
3. a kind of composite filter material available for gas-liquid separation according to claim 1, it is characterised in that the microfibre For glass fibre, cellulose, wool or silk.
4. a kind of composite filter material available for gas-liquid separation according to claim 1, it is characterised in that the hydrophobic membrane Layer is made up of polyethylene, polypropylene, Kynoar or polyether sulfone, and it is uniformly distributed the aperture that aperture is 0.4-10 μm.
5. a kind of composite filter material available for gas-liquid separation according to claim 1, it is characterised in that the hydrophobic membrane Thickness is 0.1 ~ 0.5mm layer by layer.
CN201610176347.0A 2016-03-25 2016-03-25 A kind of composite filter material available for gas-liquid separation Active CN105774149B (en)

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CN105774149B true CN105774149B (en) 2017-10-17

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Publication number Priority date Publication date Assignee Title
CN108744720B (en) * 2018-06-19 2020-11-24 杭州帝凡过滤技术有限公司 Filter element applied to high-viscosity occasions and production method thereof
CN112829410A (en) * 2021-01-29 2021-05-25 泉州师范学院(石狮)生态智能织物工程技术研究院 Efficient oil-water separation filter membrane and preparation method thereof
CN115121046B (en) * 2022-08-25 2022-12-02 中国船舶重工集团公司第七0七研究所 Gas-water separation filter material and preparation method thereof

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EP1266681A2 (en) * 2001-06-13 2002-12-18 Nitto Denko Corporation Filter medium for turbine and methods of using and producing the same
CN1712100A (en) * 2005-05-12 2005-12-28 孙熙 Production of high-density topping filtering material from three gradient
CN101098741A (en) * 2004-11-05 2008-01-02 唐纳森公司 Filter medium and structure
DE202008012976U1 (en) * 2008-10-01 2010-03-11 Hengst Gmbh & Co.Kg Separator for separating liquid droplets from a gas stream
CN101861196A (en) * 2007-10-19 2010-10-13 日本奥亚特克斯股份有限公司 Air filter and air filter assebly for cleaner made by using the filter
CN103764251A (en) * 2011-08-31 2014-04-30 大金工业株式会社 Filter medium for air filter, air filter unit, and method for producing filter medium for air filter
CN103768866A (en) * 2012-10-19 2014-05-07 东丽纤维研究所（中国）有限公司 Filter material with high capture efficiency, and application thereof
CN104144734A (en) * 2012-02-23 2014-11-12 日东电工株式会社 Blended nonwaven fabric, filter filtration material, and filter unit

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10195542B2 (en) * 2014-05-15 2019-02-05 Hollingsworth & Vose Company Surface modified filter media

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1266681A2 (en) * 2001-06-13 2002-12-18 Nitto Denko Corporation Filter medium for turbine and methods of using and producing the same
CN101098741A (en) * 2004-11-05 2008-01-02 唐纳森公司 Filter medium and structure
CN1712100A (en) * 2005-05-12 2005-12-28 孙熙 Production of high-density topping filtering material from three gradient
CN101861196A (en) * 2007-10-19 2010-10-13 日本奥亚特克斯股份有限公司 Air filter and air filter assebly for cleaner made by using the filter
DE202008012976U1 (en) * 2008-10-01 2010-03-11 Hengst Gmbh & Co.Kg Separator for separating liquid droplets from a gas stream
CN103764251A (en) * 2011-08-31 2014-04-30 大金工业株式会社 Filter medium for air filter, air filter unit, and method for producing filter medium for air filter
CN104144734A (en) * 2012-02-23 2014-11-12 日东电工株式会社 Blended nonwaven fabric, filter filtration material, and filter unit
CN103768866A (en) * 2012-10-19 2014-05-07 东丽纤维研究所（中国）有限公司 Filter material with high capture efficiency, and application thereof

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