CN202161882U - Composite filter material for high temperature flue gas bag type dust removal system - Google Patents
Composite filter material for high temperature flue gas bag type dust removal system Download PDFInfo
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- CN202161882U CN202161882U CN2011202514798U CN201120251479U CN202161882U CN 202161882 U CN202161882 U CN 202161882U CN 2011202514798 U CN2011202514798 U CN 2011202514798U CN 201120251479 U CN201120251479 U CN 201120251479U CN 202161882 U CN202161882 U CN 202161882U
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- base cloth
- flue gas
- high temperature
- aramid fiber
- filter material
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Abstract
The utility model provides a composite filter material for a high temperature flue gas bag type dust removal system, belongs to the field of the chemical industry, and solves the technical problems of high heat shrinkage rate, poor high temperature impact resistance, high system operation resistance, short filter bag service life of a filter material product of a bag type dust remover. The composite filter material comprises a layer of base cloth formed by an aramid woven cloth, wherein, a layer of dust facing surface formed by polysulfonamide and aramid blended fiber is arranged on the upper surface of the base cloth; a bottom layer formed by polysulfonamide and aramid blended fiber is arranged on the lower surface of the base cloth; and the dust facing surface, the base cloth layer and the bottom layer are connected through combining thorns. The composite filter material provided by the utility model has high strength, has obviously better high temperature strength stability and better high temperature size stability than an aramid filter material, and is resistant to impact of flue gas and particles at high temperature of 250 DEG C to 280 DEGC.
Description
Technical field
The utility model belongs to chemical field, relates in particular to a kind of filter, the filtering material that particularly a kind of high-temperature flue gas bag-type dust removing system is used.
Background technology
Bag-type dusting is to utilize the porous filter medium of three-dimensional solid to come the dust in the separation and collection gas.At present, sack cleaner be widely used in electric power, iron and steel, cement, coloured, build the road, numerous areas such as waste incineration, different flue gas operating mode bag-feeding deduster filtrates have proposed new requirement.
In the sack cleaner practical applications, the percent thermal shrinkage of filtrate is an important indicator of estimating the filter bag thermal dimensional stability.Filter bag is sleeved on bag cage, if the warp-wise percent thermal shrinkage of filter bag in high-temperature flue gas is too high, filter bag size on length direction is shortened, and filter bag bottom and stressed is tightly being held in the palm at the bag end of filter bag; If filter bag broadwise shrinkage factor is too high, filter bag tightly will be enclosed within on bag cage.Because of filter bag is in stress always, can accelerate its intensity consume, shorten the life-span; Filter bag has a strong impact on the reverse gas cleaning effect with the mistake tight fit of bag cage, can cause the filter bag running resistance to increase.
The flue-gas temperature of dust pelletizing systems such as cement plant kiln head and tail, steel plant's blast furnace gas generally is controlled at about 200 ℃, but that the dusty gas temperature often fluctuates is bigger, and instantaneous flue-gas temperature can reach more than 230 ℃.Simultaneously, the grit in the dusty gas has the effect of energy storage, big particle diameter grit surface temperature even exceed flue-gas temperature tens degree, the high temperature grit filter bag of very easily burning.At the aramid fiber 1313 filtrate of cement, steel industry extensive use, long-term serviceability temperature is 204 ℃ at present, and after flue-gas temperature surpassed 210 ℃, the percent thermal shrinkage of product was high, and the high temperature resistance impact capacity is poor, and life of bag filter is short, and system's running resistance is high.
Summary of the invention
To the defective that exists in the above-mentioned prior art; The utility model technical problem to be solved is that a kind of have excellent heat-resisting quantity and dimensional stability will be provided; The high temperature resistance load impact, the composite filtering material that the high-temperature flue gas bag-type dust removing system that physical and mechanical properties is good is used.
In order to solve the problems of the technologies described above; The composite filtering material that the utility model provides a kind of high-temperature flue gas bag-type dust removing system to use; Comprise the base cloth that one deck is made up of the woven cloth of aramid fiber; The upper surface of described base cloth is provided with the dust-collecting face that one deck is made up of fragrant sulfone synthetic fibre and aramid fiber composite fibre, and the lower surface of described base cloth is provided with the bottom that one deck is made up of fragrant sulfone synthetic fibre and aramid fiber composite fibre.
Further, closing thorn through symmetry between described dust-collecting face and the base cloth is connected.
Further, closing thorn through symmetry between described bottom and the base cloth is connected.
Further, described base cloth is interwoven by the aramid fiber 1313 filling yarn.
Further, on the upper surface of described dust-collecting face, also be provided with one deck coating.
Further; Described fragrant sulfone synthetic fibre and aramid fiber composite fibre comprise the polysulphonamide fiber of 20 to 80 weight portions and the aramid fiber 1313 fiber of 20 to 80 weight portions, and said weight portion is by the polysulphonamide fiber in the said composite fibre and aramid fiber 1313 fiber totally 100 weight portions.
The utility model is compared with prior art, and its technique effect is that significantly the superior effect of the utility model is:
(1) filtrate is powerful high;
(2) powerful stability of high temperature and dimensional stability are good, and anti-250 ℃～280 ℃ high-temperature flue gas impact and high-temperature particle impacts;
(3) have stronger acid-resisting and resistance to thermooxidation;
(4) long service life is durable;
(5) homemade polysulphonamide fiber, high performance-price ratio.
Description of drawings
Fig. 1 is the structural representation of the composite filtering material used of a kind of high-temperature flue gas bag-type dust removing system of the utility model.
The specific embodiment
Shown in accompanying drawing 1; The composite filtering material that the utility model provides a kind of high-temperature flue gas bag-type dust removing system to use; Comprise the base cloth 1 that one deck is made up of the woven cloth of aramid fiber; The dust-collecting face 2 that one deck is made up of fragrant sulfone synthetic fibre and aramid fiber composite fibre is set on the upper surface of described base cloth 1; The lower surface of described base cloth 1 is provided with the bottom 3 that one deck is made up of fragrant sulfone synthetic fibre and aramid fiber composite fibre, closes thorn through symmetry between described dust-collecting face 2 and the base cloth 1 and is connected, closes to sting through symmetry between described bottom 3 and the base cloth 1 to be connected.
Further, described base cloth 1 is interwoven by the aramid fiber 1313 filling yarn.
Further, on the upper surface of described dust-collecting face 2, also be provided with one deck coating 4.
Further; Described fragrant sulfone synthetic fibre and aramid fiber composite fibre comprise the polysulphonamide fiber of 20 to 80 weight portions and the aramid fiber 1313 fiber of 20 to 80 weight portions, and said weight portion is by the polysulphonamide fiber in the said composite fibre and aramid fiber 1313 fiber totally 100 weight portions.
Following embodiment adopt air lay, with acupuncture and water jet process be that the ordinary skill in the art repeats no more at this.
Embodiment 1
The composite filtering material that a kind of high-temperature flue gas bag-type dust removing system is used, the upper and lower surface of the base cloth 1 that constitutes at the woven cloth of aramid fiber 1313 fiber is closed with the combination process symmetry that acupuncture/reinforcing of water thorn combines with air lay and to be stung fragrant sulfone synthetic fibre and aramid fiber mixed fiber layer.
Described fragrant sulfone synthetic fibre and aramid fiber composite fibre comprise the polysulphonamide fiber of 20 weight portions and the aramid fiber 1313 fiber of 80 weight portions, and said weight portion is by the polysulphonamide fiber in the said composite fibre and aramid fiber 1313 fiber totally 100 weight portions.
The composite filtering material that a kind of high-temperature flue gas bag-type dust removing system is used, the upper and lower surface of the base cloth 1 that constitutes at the woven cloth of aramid fiber 1313 fiber is closed with air lay and pinprick reinforcement technology symmetry and to be stung the aramid fiber 1313 fibrage.
Fragrant sulfone synthetic fibre and aramid fiber composite filtering material and aramid fiber filtrate are carried out high temperature resistant contrast test, confirm that through test under 250 ℃ of hot conditions, the powerful stability and the high temperature dimensional stability of fragrant sulfone synthetic fibre and aramid fiber composite filtering material obviously are better than the aramid fiber filtrate.Related data sees table 1, table 2 for details.
The powerful stability contrast of table 1 filtrate (250 ℃)
The contrast of table 2 filtrate high temperature dimensional stability
Embodiment 2
The composite filtering material that a kind of high-temperature flue gas bag-type dust removing system is used, the upper and lower surface of the base cloth 1 that constitutes at the woven cloth of aramid fiber 1313 is closed with the combination process symmetry that acupuncture/reinforcing of water thorn combines with air lay and to be stung fragrant sulfone synthetic fibre and aramid fiber mixed fiber layer.
Described fragrant sulfone synthetic fibre and aramid fiber composite fibre comprise the polysulphonamide fiber of 50 weight portions and the aramid fiber 1313 fiber of 50 weight portions, and said weight portion is by the polysulphonamide fiber in the said composite fibre and aramid fiber 1313 fiber totally 100 weight portions.
The composite filtering material that a kind of high-temperature flue gas bag-type dust removing system is used, the base cloth 1 that constitutes at the woven cloth of aramid fiber 1313 fiber upper and lower surface, close with air lay and pinprick reinforcement technology symmetry and to sting the aramid fiber 1313 fibrage.
Fragrant sulfone synthetic fibre and aramid fiber composite filtering material and aramid fiber filtrate are carried out high temperature resistant contrast test, confirm that through test under 250 ℃ of hot conditions, the powerful stability and the high temperature dimensional stability of fragrant sulfone synthetic fibre and aramid fiber composite filtering material obviously are better than the aramid fiber filtrate.Related data sees table 3, table 4 for details.
The powerful stability contrast of table 3 filtrate (250 ℃)
The contrast of table 4 filtrate high temperature dimensional stability
Embodiment 3
The composite filtering material that a kind of high-temperature flue gas bag-type dust removing system is used, the upper and lower surface of the base cloth 1 that constitutes at the woven cloth of aramid fiber 1313 fiber is closed with the combination process symmetry that acupuncture/reinforcing of water thorn combines with air lay and to be stung fragrant sulfone synthetic fibre and aramid fiber mixed fiber layer.
Described fragrant sulfone synthetic fibre and aramid fiber composite fibre comprise the polysulphonamide fiber of 80 weight portions and the aramid fiber 1313 fiber of 20 weight portions, and said weight portion is by the polysulphonamide fiber in the said composite fibre and aramid fiber totally 100 weight portions.
The composite filtering material that a kind of high-temperature flue gas bag-type dust removing system is used, the upper and lower surface of the base cloth 1 that constitutes at the woven cloth of aramid fiber 1313 fiber is closed with air lay and pinprick reinforcement technology symmetry and to be stung the aramid fiber 1313 fibrage.
Fragrant sulfone synthetic fibre and aramid fiber composite filtering material and aramid fiber filtrate are carried out high temperature resistant contrast test, confirm that through test under 250 ℃ of hot conditions, the powerful stability and the high temperature dimensional stability of fragrant sulfone synthetic fibre and aramid fiber composite filtering material obviously are better than the aramid fiber filtrate.Related data sees table 5, table 6 for details.
The powerful stability contrast of table 5 filtrate (250 ℃)
The contrast of table 6 filtrate high temperature dimensional stability
Embodiment 4
The composite filtering material that a kind of high-temperature flue gas bag-type dust removing system is used, the upper and lower surface of the base cloth 1 that constitutes at the woven cloth of aramid fiber 1313 fiber is closed with the combination process symmetry that acupuncture/reinforcing of water thorn combines with air lay and to be stung fragrant sulfone synthetic fibre and aramid fiber mixed fiber layer.
The composite filtering material that a kind of high-temperature flue gas bag-type dust removing system is used, the upper and lower surface of the base cloth 1 that constitutes at the woven cloth of aramid fiber 1313 fiber is closed with air lay and pinprick reinforcement technology symmetry and to be stung fragrant sulfone synthetic fibre and aramid fiber mixed fiber layer.
Described fragrant sulfone synthetic fibre and aramid fiber composite fibre comprise the polysulphonamide fiber of 50 weight portions and the aramid fiber 1313 fiber of 50 weight portions, and said weight portion is by the polysulphonamide fiber in the said composite fibre and aramid fiber 1313 fiber totally 100 weight portions.
Air lay and the acupuncture/fragrant sulfone synthetic fibre of the combination process preparation that the reinforcing of water thorn combines and the fragrant sulfone synthetic fibre and the aramid fiber composite filtering material of aramid fiber composite filtering material and air lay and pinprick reinforcement prepared is carried out the ultimate strength performance test; The result shows that air lay is more excellent with the brute force of the filtrate of acupuncture/combination process preparation that the reinforcing of water thorn combines.Related data sees table 7 for details.
The fracture property (room temperature) of fragrant sulfone synthetic fibre of table 7 and aramid fiber composite filtering material
Claims (5)
1. composite filtering material that the high-temperature flue gas bag-type dust removing system is used; Comprise the base cloth that one deck is made up of the woven cloth of aramid fiber; It is characterized in that: the dust-collecting face that one deck is made up of fragrant sulfone synthetic fibre and aramid fiber composite fibre is set on the upper surface of described base cloth, and the lower surface of described base cloth is provided with the bottom that one deck is made up of fragrant sulfone synthetic fibre and aramid fiber composite fibre.
2. the composite filtering material that a kind of high-temperature flue gas bag-type dust removing system as claimed in claim 1 is used is characterized in that: close thorn through symmetry between described dust-collecting face and the base cloth and be connected.
3. the composite filtering material that a kind of high-temperature flue gas bag-type dust removing system as claimed in claim 1 is used is characterized in that: close thorn through symmetry between described bottom and the base cloth and be connected.
4. the composite filtering material that a kind of high-temperature flue gas bag-type dust removing system as claimed in claim 1 is used, it is characterized in that: described base cloth is interwoven by the aramid fiber 1313 filling yarn.
5. the composite filtering material that a kind of high-temperature flue gas bag-type dust removing system as claimed in claim 1 is used is characterized in that: on the upper surface of described dust-collecting face, also be provided with one deck coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202514798U CN202161882U (en) | 2011-07-15 | 2011-07-15 | Composite filter material for high temperature flue gas bag type dust removal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202514798U CN202161882U (en) | 2011-07-15 | 2011-07-15 | Composite filter material for high temperature flue gas bag type dust removal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202161882U true CN202161882U (en) | 2012-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202514798U Expired - Lifetime CN202161882U (en) | 2011-07-15 | 2011-07-15 | Composite filter material for high temperature flue gas bag type dust removal system |
Country Status (1)
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| CN (1) | CN202161882U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644145A (en) * | 2012-05-15 | 2012-08-22 | 江苏华跃纺织新材料科技有限公司 | Production technology of base cloth of aramid fiber 1313 short-fiber abrasive band |
| CN103623649A (en) * | 2013-11-07 | 2014-03-12 | 南通江潮纤维制品有限公司 | High-temperature resistant flame-retardant dust removal bag |
| CN106345193A (en) * | 2015-08-26 | 2017-01-25 | 浙江宇邦滤材科技有限公司 | Preparation method of PPS superfine fiber acupuncture filter bag |
| CN106362489A (en) * | 2016-10-08 | 2017-02-01 | 浙江宇邦滤材科技有限公司 | Processing technique for oil-resisting needling filter bag |
| CN106474833A (en) * | 2016-10-08 | 2017-03-08 | 浙江宇邦滤材科技有限公司 | A kind of high temperature resistant kiln tail preparation method of acupuncture filter bag |
-
2011
- 2011-07-15 CN CN2011202514798U patent/CN202161882U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644145A (en) * | 2012-05-15 | 2012-08-22 | 江苏华跃纺织新材料科技有限公司 | Production technology of base cloth of aramid fiber 1313 short-fiber abrasive band |
| CN103623649A (en) * | 2013-11-07 | 2014-03-12 | 南通江潮纤维制品有限公司 | High-temperature resistant flame-retardant dust removal bag |
| CN106345193A (en) * | 2015-08-26 | 2017-01-25 | 浙江宇邦滤材科技有限公司 | Preparation method of PPS superfine fiber acupuncture filter bag |
| CN106345193B (en) * | 2015-08-26 | 2018-05-29 | 浙江宇邦滤材科技有限公司 | A kind of preparation method of PPS superfine fibres pin thorn filter bag |
| CN106362489A (en) * | 2016-10-08 | 2017-02-01 | 浙江宇邦滤材科技有限公司 | Processing technique for oil-resisting needling filter bag |
| CN106474833A (en) * | 2016-10-08 | 2017-03-08 | 浙江宇邦滤材科技有限公司 | A kind of high temperature resistant kiln tail preparation method of acupuncture filter bag |
| CN106362489B (en) * | 2016-10-08 | 2018-05-29 | 浙江宇邦滤材科技有限公司 | A kind of processing technology of anti-spindle thorn filter bag |
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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: SHANGHAI TEXTILE ENERGY SAVING + ENVIRONMENTAL PRO Effective date: 20120711 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120711 Address after: 201419 No. 288 Minle Road, Shanghai, Fengxian District Co-patentee after: Shanghai Textile Energy Saving & Environmental Protection Center Patentee after: Shanghai Tanlon Fiber Co.,Ltd. Co-patentee after: Shanghai Zhangjiang Hi-Tech Park, New Energy Technology Co., Ltd. Address before: 201419 No. 288 Minle Road, Shanghai, Fengxian District Patentee before: Shanghai Tanlon Fiber Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120314 |