CN105774149A - Composite filtering material capable of being used for gas-liquid separation - Google Patents
Composite filtering material capable of being used for gas-liquid separation Download PDFInfo
- Publication number
- CN105774149A CN105774149A CN201610176347.0A CN201610176347A CN105774149A CN 105774149 A CN105774149 A CN 105774149A CN 201610176347 A CN201610176347 A CN 201610176347A CN 105774149 A CN105774149 A CN 105774149A
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- gas
- liquid separation
- filter material
- layer
- composite filter
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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
- Separation Using Semi-Permeable Membranes (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a composite filtering material capable of being used for gas-liquid separation. The filtering material consists of a contact layer, a trapping layer and a hydrophobic membrane layer. The contact layer is composed of synthetic fibers with a diameter of 5Mu m to 15Mu m, the thickness of the contact layer is 3mm to 150mm, the trapping layer is composed of double-component fibers with a diameter of 15Mu m to 20Mu m and microfibers with a diameter of 0.1Mu m to 4.5Mu m, the thickness of the trapping layer is 6mm to 300mm, the hydrophobic membrane layer is composed of polyethylene, polypropylene, polyvinylidene fluoride or polyether sulfone, and the thickness of the hydrophobic membrane layer is 0.1mm to 0.5mm. The composite filtering material disclosed by the invention not only can keep high separation efficiency, but also can keep a long service life.
Description
Technical field
The invention belongs to gas-liquid separation field, be specifically related to a kind of composite filter material that can be used for gas-liquid separation.
Background technology
Gas-liquid separation device is usually used in petrochemical industry, chemical industry, such as the purification separation of unstripped gas, sky in synthesis ammonia, nitric acid, methanol production
So exploitation of gas, storing and the technical process such as deep processing, diesel oil hydrogenation tail gas recycle.Its purpose is to prevent harmful liquid pair
The equipment such as gas is processed, stored, transport cause damage.
Conventional gas-liquid separation device principle has following several, is settling methods, impaction, centrifugal process and filtration method respectively.
First three methods belongs to Mechanical Method, needs to use large-scale experiment device, and its volume is big, efficiency is low, requires gas filter plate relatively
Low technical process can use.Filtration method has higher filter effect, can remove the drop about 1 μm, and acid-mist-removing is imitated
Rate can reach 98%～99%.But usually there is blocking the phenomenon of mesh in traditional filtering material, and therefore service life is the longest, takes
Often clean or change.
Therefore, the gas-liquid separation material that a kind of good filtration effect of invention, life-span are long and easy to use seems the most urgent.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of composite filter material that can be used for gas-liquid separation,
For reaching above-mentioned purpose, the invention provides following technical scheme:
A kind of composite filter material that can be used for gas-liquid separation, described filtering material includes contact layer, trapping layer and hydrophobic film layer.
Preferably, described contact layer is made up of the synthetic fibers of a diameter of 5～15 μm, and its thickness is 3mm-150mm, described conjunction
One-tenth fiber is polypropylene, polyether sulfone, polytetrafluoroethylene (PTFE), polyethylene, Kynoar, polyacrylonitrile, polyamide or polyester,
Described synthetic fibers carry out hydrophilic modifying process before using.
Preferably, described trapping layer is made up of the bicomponent fibers of a diameter of 15-20 μm and the microfibre of a diameter of 0.1-4.5 μm,
Its thickness is 6mm-300mm, counts in mass ratio, and in described trapping layer, bicomponent fibers accounting is 40-60%.
Preferably, described bicomponent fibers is skin-core structure, and top layer has hydrophobicity, and outer layer fiber fusing point melts less than inner fiber
Point, described microfibre passes from the cortex of bicomponent fibers.
Preferably, described bicomponent fibers is PE/PP, CO-PET/PET or PE/PET.
Preferably, described microfibre is natural fiber, has hydrophily.
Preferably, described microfibre is glass fibre, cellulose, wool or silk.
Preferably, described hydrophobic film layer is made up of polyethylene, polypropylene, Kynoar or polyether sulfone, and it is uniformly distributed aperture
Aperture for 0.4-10 μm.
Preferably, described hydrophobic film layer thickness is 0.1～0.5mm.
The beneficial effects of the present invention is: composite filter material disclosed in this invention can keep higher separative efficiency, also can
Keep longer service life.
Accompanying drawing explanation
In order to make the purpose of the present invention, technical scheme and beneficial effect 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.
Detailed description of the invention
Below the preferred embodiments of the present invention are described in detail.The experimental technique of unreceipted actual conditions in embodiment is logical
Often 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 that can be used for gas-liquid separation.Wherein Fig. 1 represents
The structural representation of composite filter material, Fig. 2 represents the structural representation of trapping layer.
Composite filter material has contact layer, trapping layer, hydrophobic film layer 3 part.Contact layer thickness 40mm, uses polypropylene
Doughnut, average fibre diameter is 8 μm, uses and have relatively strongly hydrophilic before using.Trapping layer thickness is 60mm, uses
PE/PP double-component core skin structure fiber and glass are fiber compound structure, and a diameter of 15 μm of bicomponent fibers have hydrophobicity,
Accounting 42%, glass fiber diameter is 5 μm, has hydrophily, accounting 58%.Hydrophobic film layer thickness is 0.2mm, uses
Polythene material, aperture 2 μm.
Embodiment 2
With reference to Fig. 1, Fig. 2, the implementation case will provide a kind of composite filter material that can be used for gas-liquid separation.Wherein Fig. 1 represents
The structural representation of composite filter material, Fig. 2 represents the structural representation of trapping layer.
Composite filter material has contact layer, trapping layer, hydrophobic film layer 3 part.Contact layer thickness 20mm, uses polyether sulfone
Doughnut, average fibre diameter is 5 μm, uses and have relatively strongly hydrophilic before using.Trapping layer thickness is 50mm, uses
CO-PET/PET double-component core skin structure fiber and cellulose fibre composite construction, a diameter of 15 μm of bicomponent fibers, have
Hydrophobicity, accounting 40%, a diameter of 4 μm of cellulose fibre, there is hydrophily, accounting 60%.Hydrophobic film layer thickness is 0.3mm,
Use polythene material, aperture 2 μm.
Embodiment 3
With reference to Fig. 1, Fig. 2, the implementation case will provide a kind of composite filter material that can be used for gas-liquid separation.Wherein Fig. 1 represents
The structural representation of composite filter material, Fig. 2 represents the structural representation of trapping layer.
Composite filter material has contact layer, trapping layer, hydrophobic film layer 3 part.Contact layer thickness 100mm, uses polyethylene
Doughnut, average fibre diameter is 10 μm, uses and have relatively strongly hydrophilic before using.Trapping layer thickness is 250mm, adopts
By PE/PET double-component core skin structure fiber and silk fiber composite construction, a diameter of 15 μm of bicomponent fibers, have hydrophobic
Property, accounting 55%, a diameter of 10 μm of silk fiber, there is hydrophily, accounting 45%.Hydrophobic film layer thickness is 0.5mm,
Use polyvinylidene fluoride material, aperture 4 μm.
Composite filter material prepared by above-described embodiment has good separative efficiency, and service life is the longest.
Finally illustrating, preferred embodiment above is only in order to illustrate technical scheme and unrestricted, although by above-mentioned
The present invention is described in detail by preferred embodiment, it is to be understood by those skilled in the art that can in form and
In details, it is made various change, without departing from claims of the present invention limited range.
Claims (9)
1. the composite filter material that can be used for gas-liquid separation, it is characterised in that described filtering material include contact layer, trapping layer and
Hydrophobic film layer.
A kind of composite filter material that can be used for gas-liquid separation, it is characterised in that described contact layer is by directly
Footpath is that the synthetic fibers of 5～15 μm are constituted, and its thickness is 3mm-150mm, and described synthetic fibers are polypropylene, polyether sulfone, gather
Tetrafluoroethene, polyethylene, Kynoar, polyacrylonitrile, polyamide or polyester, described synthetic fibers carry out hydrophilic before using
Modification.
A kind of composite filter material that can be used for gas-liquid separation, it is characterised in that described trapping layer is by directly
Footpath is bicomponent fibers and the microfibre composition of a diameter of 0.1-4.5 μm of 15-20 μm, and its thickness is 6mm-300mm, by matter
Amount is than meter, and in described trapping layer, bicomponent fibers accounting is 40-60%.
A kind of composite filter material that can be used for gas-liquid separation, it is characterised in that described bicomponent fibers
For skin-core structure, top layer has hydrophobicity, and outer layer fiber fusing point is less than inner fiber fusing point, and described microfibre is from bicomponent fibers
Cortex pass.
A kind of composite filter material that can be used for gas-liquid separation, it is characterised in that described bicomponent fibers
For PE/PP, CO-PET/PET or PE/PET.
A kind of composite filter material that can be used for gas-liquid separation, it is characterised in that described microfibre is sky
So fiber, has hydrophily.
A kind of composite filter material that can be used for gas-liquid separation, it is characterised in that described microfibre is glass
Glass fiber, cellulose, wool or silk.
A kind of composite filter material that can be used for gas-liquid separation, it is characterised in that described hydrophobic film layer by
Polyethylene, polypropylene, Kynoar or polyether sulfone are constituted, and it is uniformly distributed the aperture that aperture is 0.4-10 μm.
A kind of composite filter material that can be used for gas-liquid separation, it is characterised in that described hydrophobic membrane is layer by layer
Thickness is 0.1～0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176347.0A CN105774149B (en) | 2016-03-25 | 2016-03-25 | A kind of composite filter material available for gas-liquid separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176347.0A CN105774149B (en) | 2016-03-25 | 2016-03-25 | A kind of composite filter material available for gas-liquid separation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105774149A true CN105774149A (en) | 2016-07-20 |
| CN105774149B CN105774149B (en) | 2017-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610176347.0A Active CN105774149B (en) | 2016-03-25 | 2016-03-25 | A kind of composite filter material available for gas-liquid separation |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744720A (en) * | 2018-06-19 | 2018-11-06 | 杭州帝凡过滤技术有限公司 | A kind of filter core and its production method applied to high viscosity occasion |
| 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 |
| CN115121046A (en) * | 2022-08-25 | 2022-09-30 | 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 |
| US20150328565A1 (en) * | 2014-05-15 | 2015-11-19 | Hollingsworth & Vose Company | Surface modified filter media |
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2016
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| 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 |
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| 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 |
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| US20150328565A1 (en) * | 2014-05-15 | 2015-11-19 | Hollingsworth & Vose Company | Surface modified filter media |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744720A (en) * | 2018-06-19 | 2018-11-06 | 杭州帝凡过滤技术有限公司 | A kind of filter core and its production method applied to high viscosity occasion |
| 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 |
| CN115121046A (en) * | 2022-08-25 | 2022-09-30 | 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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| Publication number | Publication date |
|---|---|
| CN105774149B (en) | 2017-10-17 |
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