CN202724876U - 3D (Three-dimensional) fabric for capturing and filtering high temperature flue gas and dust - Google Patents
3D (Three-dimensional) fabric for capturing and filtering high temperature flue gas and dust Download PDFInfo
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- CN202724876U CN202724876U CN201220360416.0U CN201220360416U CN202724876U CN 202724876 U CN202724876 U CN 202724876U CN 201220360416 U CN201220360416 U CN 201220360416U CN 202724876 U CN202724876 U CN 202724876U
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- polyphenylene sulfide
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Abstract
The utility model provides a 3D (Three-dimensional) fabric for capturing and filtering high temperature flue gas and dust, which is characterized by comprising a first polyphenylene sulfide fabric layer, wherein a second polyphenylene sulfide fabric layer is arranged below the first polyphenylene sulfide fabric layer through a microporous hollow polyphenylene sulfide monofilament layer. The 3D fabric for capturing and filtering high temperature flue gas and dust overcomes the deficiencies in the prior art and greatly improves the filter time and space, so that the filter efficiency and precision are improved. The 3D fabric has high mechanical strength and good stability; and the service life of the 3D fabric is prolonged greatly.
Description
Technical field
The utility model relates to a kind of high-temperature flue gas dust catches to filter and uses the 3D fabric, belongs to 3D fabric technology field.
Background technology
Usually alleged 3D fabric refers to two superficial layers of fabric or a kind of fabric that a plurality of superficial layer is linked together by monofilament, is called a paraphysis through the monofilament between the two top layer fabrics up and down.This fabric has very unique 3-D solid structure, and the fabric texture possibility is large, the raw material scope of application is wide, can satisfy the requirements such as different fabric thicknesses, void density.Therefore, this novel product has very large development potentiality and application space, more and more causes people's very big interest.
The main application of polyphenylene sulfide fibre and monofilament is the filtration fabrics as aspects such as industry coal-boiler, incinerator, fly ash in electric power plant, motor-vehicle tail-gas.Polyphenylene sulfide fabric is to be exposed to chronically among the sour environment, can use in hot environment and one of can anti abrasive a few fiber.Be used for the polyphenylene sulfide filtration fabrics of industry coal-boiler fabric, in the hygrometric state sour environment, below 190 ℃, can reach about 3 years service life at Contact Temperature.
Chinese patent CN 2912764Y discloses a kind of polyphenylene thioether PPS filter felt for steam power plant's coal-burning boiler high temperature flue gas and preparation method thereof, and this filter felt is followed successively by polyphenylene sulfide fibre layer, polyphenylene sulfide base cloth and polyphenylene sulfide fibre layer from the surface to nexine.Chinese patent CN201042651Y discloses a kind of PPS fibre fire resistant prickling filtering felt and preparation method thereof, the symmetrical PPS short fiber layers of pasting in PPS woven fabric top and bottom.Aforementioned filter felt is easily blocked at the practical process mesexine, cause filter pressure to increase, so filter efficiency is low, and filtering accuracy is not high.
Chinese patent CN 102477637A discloses a kind of high temperature filtration polyphenylene sulfide fabric and preparation method thereof, and this fabric is made by the polyphenylene sulfide filaments of 4～500dtex, and average pore size is 0.5～50 μ m, and the polyphenylene sulfide filaments utilization divides fine technology to make.Adopt minute monofilament of method for fiber preparation, although production efficiency is higher, aspect quality index, not only between the different silks, and the diversity factor of the same filament is all larger, and especially for bar evenness and the thermal contraction uniformity, this utmost point is unfavorable for filtering at high-temperature dust the application of industry.In addition, adopt the net weight of single silk cylinder of the monofilament that the method makes less, greatly the reduction of degree working (machining) efficiency.
The utility model content
The purpose of this utility model provides a kind of high accuracy, high efficiency filtration 3D fabric of catching for the high-temperature flue gas dust.
In order to achieve the above object, the technical solution of the utility model provides a kind of high-temperature flue gas dust and catches filtration 3D fabric, it is characterized in that: comprise the first polyphenylene sulfide fabric layer, the second polyphenylene sulfide fabric layer is located at the first polyphenylene sulfide fabric layer below by micropore hollow polyphenylene sulfide filaments layer.
Preferably, described at least one strata acid imide layer of filaments is located between described the second polyphenylene sulfide fabric layer and described the first polyphenylene sulfide fabric layer by micropore hollow polyphenylene sulfide filaments layer.
Preferably, the monofilament profile of described micropore hollow polyphenylene sulfide filaments layer is a kind of or its combination in linear, S shape, the C shape.
Preferably, the monofilament cross sectional shape of described micropore hollow polyphenylene sulfide filaments layer is circle, triangle, cross or hollow shape.
Preferably, the filament diameter of described micropore hollow polyphenylene sulfide filaments layer is 0.045～2.5mm.
Preferably, the monofilament degree of hollowness of described micropore hollow polyphenylene sulfide filaments layer is 10～50%, and the monofilament micro-pore diameter of described micropore hollow polyphenylene sulfide filaments layer is 0.1～40 micron.
Preferably, every square centimeter of described polyimides layer of filaments is provided with 10～800 monofilament.
Preferably, the thickness of described polyimides layer of filaments is 5mm～100mm.
A kind of high-temperature flue gas dust that the utility model provides is caught to filter with the 3D fabric and is realized the capture ability stronger to dust by the micropore hollow polyphenylene sulfide filaments with larger specific area, the polyimides layer of filaments thickness of 3D fabric is adjustable, greatly improved filter efficiency, and mechanical strength is high, good stability, resistance to elevated temperatures is good, serviceability temperature is at 170～200 ℃, acidproof, alkaline-resisting, anti-hydrolytic performance is good, novel and reasonable structure, be easy to clean, service life is strong, is fit to be used as garbage burning factory, coal-fired power plant, the cement plant, steel plant's high temperature, the filtering material of motor-vehicle tail-gas.
A kind of high-temperature flue gas dust that the utility model provides is caught to filter and has been overcome the deficiencies in the prior art with the 3D fabric, not only significantly improved filter efficiency and filtering accuracy, and mechanical strength is high, good stability, and fabric prolongs service life greatly.
Description of drawings
A kind of high-temperature flue gas dust that Fig. 1 provides for the utility model is caught and is filtered with 3D fabric schematic diagram;
Fig. 2 is multilayer 3D fabric schematic diagram in the present embodiment;
Description of reference numerals
1-the first polyphenylene sulfide fabric layer; 2-micropore hollow polyphenylene sulfide filaments layer; 3-the second polyphenylene sulfide fabric layer; 4-polyimides layer of filaments.
The specific embodiment
For the utility model is become apparent, hereby with three preferred embodiments, and cooperate accompanying drawing to be described in detail below.
Figure 1 shows that a kind of high-temperature flue gas dust that the utility model provides is caught filters with 3D fabric schematic diagram, described a kind of high-temperature flue gas dust is caught to filter and is comprised the first polyphenylene sulfide fabric layer 1 and the second polyphenylene sulfide fabric layer 3 with the 3D fabric, and micropore hollow polyphenylene sulfide filaments layer 2 connects the first polyphenylene sulfide fabric layer 1 and the second polyphenylene sulfide fabric layer 3 and forms the Z-direction hollow polyphenylene sulfide filaments of core.
The first polyphenylene sulfide fabric layer 1 used polyphenylene sulfide filaments diameter 0.15mm, intensity 4.0cN/dtex, fabric average pore size 20～40 μ m.
The second polyphenylene sulfide fabric layer 3 used polyphenylene sulfide filaments diameter 0.08mm, intensity 3.1cN/dtex, fabric average pore size 1～15 μ m.
Micropore hollow polyphenylene sulfide filaments layer 2 is one or more the blend in micropore hollow polyphenylene sulfide filaments, micropore hollow polyphenylene sulfide filaments and polytetrafluoroethylene (PTFE) monofilament, aramid fiber monofilament, the polyimides monofilament, and wherein the content of micropore hollow polyphenylene sulfide filaments is between 60%～95%.
Micropore hollow polyphenylene sulfide filaments layer 2 thickness are 80mm, and its filament diameter is 0.06 millimeter, and degree of hollowness is 20%, and micro-pore diameter is 0.1 micron.This micropore hollow polyphenylene sulfide filaments has larger specific area, thereby has greatly improved the precision of filtering.The cross sectional shape of micropore hollow polyphenylene sulfide filaments is circular, micropore hollow polyphenylene sulfide filaments layer 2 every square centimeter contain 120 altogether hollow polyphenylene sulfide filaments.
Figure 2 shows that multilayer 3D fabric schematic diagram, between the first polyphenylene sulfide fabric layer 1 and the second polyphenylene sulfide fabric layer 3 polyimides layer of filaments 4 is arranged.Between the first polyphenylene sulfide fabric layer 1 and the polyimides layer of filaments 4, between each strata acid imide layer of filaments 4, all pass through the Z-direction micropore hollow polyphenylene sulfide filaments that micropore hollow polyphenylene sulfide filaments layer 2 is connected and forms core between polyimides layer of filaments 4 and the second polyphenylene sulfide fabric layer 3.
The first polyphenylene sulfide fabric layer 1 is formed by the braiding of micropore hollow polyphenylene sulfide filaments, and its filament diameter is 0.3mm, and intensity is 4.8cN/dtex, and the fabric average pore size is 30～50 μ m.
The filament diameter of polyimides layer of filaments 4 is 0.2mm, and intensity is 3.2cN/dtex, and the fabric average pore size is 10～35 μ m;
The second polyphenylene sulfide fabric layer 3 filament diameter are 0.1mm, and intensity is 3.0cN/dtex, and the fabric average pore size is 0.8～10 μ m.
Micropore hollow polyphenylene sulfide filaments layer 2 is micropore hollow PPS monofilament, and thickness is followed successively by 40mm, 70mm, and filament diameter is 0.07mm, and degree of hollowness is 50%, and micro-pore diameter is 0.8 micron.The monofilament profile is S shape, and every square centimeter of the wall of 3D fabric contains 100 monofilament.
Figure 2 shows that multilayer 3D fabric schematic diagram, between the first polyphenylene sulfide fabric layer 1 and the second polyphenylene sulfide fabric layer 3 polyimides layer of filaments 4 is arranged.Between the first polyphenylene sulfide fabric layer 1 and the polyimides layer of filaments 4, between each strata acid imide layer of filaments 4, all pass through the Z-direction micropore hollow polyphenylene sulfide filaments that micropore hollow polyphenylene sulfide filaments layer 2 is connected and forms core between polyimides layer of filaments 4 and the second polyphenylene sulfide fabric layer 3.
The first polyphenylene sulfide fabric layer 1 is formed by the braiding of micropore hollow polyphenylene sulfide filaments, and its filament diameter is 0.3mm, and intensity is 4.8cN/dtex, and the fabric average pore size is 30～50 μ m.
The filament diameter of polyimides layer of filaments 4 is 0.2mm, and intensity is 3.2cN/dtex, and the fabric average pore size is 10～35 μ m.
The second polyphenylene sulfide fabric layer 3 is formed by the polyphenylene sulfide filaments braiding, and its filament diameter is 0.1mm, and intensity is 3.0cN/dtex, and the fabric average pore size is 0.8～10 μ m.
Micropore hollow polyphenylene sulfide filaments layer 2 is the blend of micropore hollow PPS monofilament and aramid fiber monofilament, space layer is followed successively by 40mm, 70mm, the content of micropore hollow PPS monofilament is between 60%～80%, wherein the PPS filament diameter is 0.07mm, degree of hollowness is 50%, micro-pore diameter is 0.8 micron, and the aramid fiber filament diameter is 0.07mm.Used monofilament profile is S shape, and every square centimeter of the wall of 3D fabric contains 100 monofilament.
A kind of high-temperature flue gas dust that the utility model provides is caught to filter and is used the 3D fabric owing to the larger specific area of micropore hollow polyphenylene sulfide filaments, and it is strong to the dust capture ability; Micropore hollow polyphenylene sulfide filaments blend layer thickness is adjustable, has greatly improved filter efficiency; Mechanical strength is high, good stability; Resistance to elevated temperatures is good, and serviceability temperature is at 170～200 ℃; Acidproof, alkaline-resisting, anti-hydrolytic performance is good; Novel and reasonable structure is easy to clean, and service life is strong, makes it be particularly suitable for the filtering material of the high temperature flue gases such as garbage burning factory, coal-fired power plant, cement plant, steel plant.
Claims (8)
1. a high-temperature flue gas dust is caught to filter and is used the 3D fabric, it is characterized in that: comprise the first polyphenylene sulfide fabric layer (1), the second polyphenylene sulfide fabric layer (3) is located at the first polyphenylene sulfide fabric layer (1) below by micropore hollow polyphenylene sulfide filaments layer (2).
2. a kind of high-temperature flue gas dust as claimed in claim 1 is caught to filter and is used the 3D fabric, and it is characterized in that: at least one strata acid imide layer of filaments (4) is located between described the second polyphenylene sulfide fabric layer (3) and described the first polyphenylene sulfide fabric layer (1) by micropore hollow polyphenylene sulfide filaments layer (2).
3. a kind of high-temperature flue gas dust as claimed in claim 1 is caught to filter and is used the 3D fabric, and it is characterized in that: the monofilament profile of described micropore hollow polyphenylene sulfide filaments layer (2) is a kind of or its combination in linear, S shape, the C shape.
4. a kind of high-temperature flue gas dust as claimed in claim 1 is caught to filter and used the 3D fabric, it is characterized in that: the monofilament cross sectional shape of described micropore hollow polyphenylene sulfide filaments layer (2) is circle, triangle, cross or hollow shape.
5. a kind of high-temperature flue gas dust as claimed in claim 1 is caught to filter and is used the 3D fabric, and it is characterized in that: the filament diameter of described micropore hollow polyphenylene sulfide filaments layer (2) is 0.045～2.5mm.
6. a kind of high-temperature flue gas dust as claimed in claim 1 is caught to filter and is used the 3D fabric, it is characterized in that: the monofilament degree of hollowness of described micropore hollow polyphenylene sulfide filaments layer (2) is 10～50%, and the monofilament micro-pore diameter of described micropore hollow polyphenylene sulfide filaments layer (2) is 0.1～40 micron.
7. a kind of high-temperature flue gas dust as claimed in claim 2 is caught to filter and used the 3D fabric, it is characterized in that: every square centimeter of described polyimides layer of filaments (4) is provided with 10～800 monofilament.
8. a kind of high-temperature flue gas dust as claimed in claim 2 is caught to filter and is used the 3D fabric, and it is characterized in that: the thickness of described polyimides layer of filaments (4) is 5mm～100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220360416.0U CN202724876U (en) | 2012-07-24 | 2012-07-24 | 3D (Three-dimensional) fabric for capturing and filtering high temperature flue gas and dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220360416.0U CN202724876U (en) | 2012-07-24 | 2012-07-24 | 3D (Three-dimensional) fabric for capturing and filtering high temperature flue gas and dust |
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| Publication Number | Publication Date |
|---|---|
| CN202724876U true CN202724876U (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220360416.0U Expired - Lifetime CN202724876U (en) | 2012-07-24 | 2012-07-24 | 3D (Three-dimensional) fabric for capturing and filtering high temperature flue gas and dust |
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| Country | Link |
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| CN (1) | CN202724876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103721478A (en) * | 2013-12-20 | 2014-04-16 | 苏州鑫帛泰纺织科研有限公司 | Porous hollow fiber fabric |
| EP3342909A4 (en) * | 2015-08-24 | 2019-04-10 | Toray Industries, Inc. | High-performance polyphenylene sulphide fibre structure, preparation method therefor and use thereof |
-
2012
- 2012-07-24 CN CN201220360416.0U patent/CN202724876U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103721478A (en) * | 2013-12-20 | 2014-04-16 | 苏州鑫帛泰纺织科研有限公司 | Porous hollow fiber fabric |
| EP3342909A4 (en) * | 2015-08-24 | 2019-04-10 | Toray Industries, Inc. | High-performance polyphenylene sulphide fibre structure, preparation method therefor and use thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU DUWEI NEW MATERIAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHANGHAI DUWEI CHEMICAL FIBER CO., LTD. Effective date: 20141126 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201407 FENGXIAN, SHANGHAI TO: 223800 SUQIAN, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141126 Address after: 223800, Tongda Road, Suqian economic and Technological Development Zone, Jiangsu, 16 Patentee after: Jiangsu Duwei New Material Science and Technology Co.,Ltd. Address before: 201407 Shanghai Fengxian District Green Town fengtuo Highway No. 2789 Building 8 Patentee before: SHANGHAI DUWEI CHEMICAL FIBER Co.,Ltd. |
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| DD01 | Delivery of document by public notice |
Addressee: Guo Haiyang Document name: Notification of Passing Examination on Formalities |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |
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| CX01 | Expiry of patent term |