CN104474812A - High-temperature-resistant air purification filter element - Google Patents
High-temperature-resistant air purification filter element Download PDFInfo
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- CN104474812A CN104474812A CN201410771285.9A CN201410771285A CN104474812A CN 104474812 A CN104474812 A CN 104474812A CN 201410771285 A CN201410771285 A CN 201410771285A CN 104474812 A CN104474812 A CN 104474812A
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Abstract
The invention relates to a high-temperature-resistant air purification filter element, which mainly solves the problem that the existing atmospheric-temperature air purification filter element (cylinder) is incapable of adapting the high-temperature environment. The high-temperature-resistant air purification filter element is characterized in that a filtering material (4) is arranged between two layers of reinforced steel meshes (5), and is a polyphenylene sulfide sheet which is folded in circumferential direction and then connected in an end-to-end manner. The high-temperature-resistant air purification filter element has the characteristics of being high-temperature-resistant and high in filtering precision, and compared with the existing high-temperature cloth bag type dust collector, the high-temperature-resistant air purification filter element is small in occupied area, high in dust removal efficiency and low in relative manufacturing cost.
Description
Technical field
The present invention relates to field of environment protection, specifically a kind of high-temp. resistant air purifying filter element.
Background technology
At present, the filter element that domestic existing high temperature filtration formula air purifying dust remover uses is all that the traditional cloth-bag type adopted filters.This method uses for many years at air filter purifying dust-removing device, is a kind of technology of maturation, is widely used in the cleaner of various industry coal-boiler and each metallurgy industry pyrolytic semlting.But the Bag filter area that this fiber bag precipitator uses is relatively little, the cloth bag of such as conventional diameter of phi 130mm × long 8600mm, single filter area is only 3.5m
2, filter air quantity and be generally < 3m
3/ min.Therefore, its volume of dust remover for coal boiler for ventilation cubic meter more than 1,000,000 is big well imagines, generally all will grow more than 30 meter, wide 9 meters, up to more than 20 meters, and the steel of at substantial.Because volume is very huge, very limited for the existing boiler erection space that renovates, its manufacturing cost is also very high.In addition, because this Bag filter precision is relatively poor, usually after the electrostatic precipitation having two-stage electrostatic field, increase one-level fiber bag precipitator, the dust emission concentration after its purification of air only can reach 50mg/m
3, do not reach dust emission concentration < 20mg/m after the purification of national environmental standard
3requirement.Simultaneously, filter core (cylinder) on market, the glue, fluid sealant etc. of its filter material and bonding thereof, the temperature used is all below 80 DEG C, hot environment dedusting cannot be adapted to, especially this long-life, high-temperature of coal-burning boiler (usually at about 180 DEG C), containing acid containing the dedusting under alkali cigarette condition complicated situation.
Summary of the invention
In order to overcome, existing cloth-bag type filter core floor space is large, filtering accuracy is poor, the deficiency of existing filter-element dust collector non-refractory environment, the invention provides a kind of high-temp. resistant air purifying filter element, use the deduster of this high-temp. resistant air purifying filter element to have and save floor space, low cost of manufacture, high, the resistant to elevated temperatures feature of filtering accuracy.
Technical scheme of the present invention is: a kind of high-temp. resistant air purifying filter element, comprises two-layer reinforcement steel mesh with one heart, is equipped with filter material between described two-layer reinforcement steel mesh, and described filter material is that circumferencial direction folds rear end to end thioether sheet.
Described thioether sheet surface is covered with poly tetrafluoroethylene.
Described reinforcement steel mesh and the two ends of filter material are bonded with reinforcement end cap and lower reinforcement end cap respectively.
The shell of described upper reinforcement end cap and lower reinforcement end cap is sheet metal, and sheet metal is bonding with between reinforcement steel mesh and filter material by refractory seals glue.
Described upper reinforcement end cap top is provided with the sealing ring of high temperature resistant adhesive tape.
Described filter core shape can be the one in straight tube shape, cone barrel, oval tubular, square tube shape, and use of can connecting.
The present invention has following beneficial effect: owing to taking such scheme, polyphenylene sulfide filter material, fluid sealant and sealing joint strip are all high temperature resistant, make this filter core entirety high temperature resistant, surface of filter medium is covered with poly tetrafluoroethylene simultaneously, sustainable high temperature resistant 250 DEG C of this material, further strengthen the high temperature resistant degree of filter core, make filter core serviceability temperature can reach 200 DEG C.The filtration air quantity of high temperature filter core (cylinder) is large simultaneously, and the volume of filter core (cylinder) deduster is obviously reduced, thus the fiber bag precipitator volume of same spline filter air quantity can be made to reduce about 3/4ths; The filtering accuracy of polyphenylene sulfide filter material is high, and the air purification efficiency of deduster reaches 99.99%; Because volume reduces, save and manufacture steel, the manufacturing cost of separate unit filter-element dust collector is about 4/5ths of the fiber bag precipitator of same spline filter air quantity; This filter core cost is low, reduces the cost of deduster.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is top view of the present invention.
In figure, 1-sealing ring, 2-strengthens end cap, 3-refractory seals glue, 4-filter material, and 5-strengthens steel mesh, strengthens end cap under 6-.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, a kind of high-temp. resistant air purifying filter element, comprises two-layer reinforcement steel mesh 5 with one heart, is equipped with filter material 4 between described two-layer reinforcement steel mesh 5, and filter material 4 is polyphenylene sulfide (PPS) sheet material through stiffening process, and grammes per square metre is at 150-500g/m
2.Along the circumferential direction evenly folding rear head and the tail are bonding for thioether sheet, and form cylindrical shape, and thioether sheet surface can be covered with polytetrafluoroethylene (PTFE) (PTFE) film as required, filter material 4 is placed between two-layer reinforcement steel mesh 5.And the two ends strengthening steel mesh 5 and filter material 4 are bonded with reinforcement end cap 2 and lower reinforcement end cap 6 respectively.The shell of described upper reinforcement end cap 2 and lower reinforcement end cap 6 is sheet metal, and sheet steel enclosure is bonding with between reinforcement steel mesh 5 and filter material 4 by refractory seals glue 3.Upper reinforcement end cap 2 is stained with sealing ring, and sealing ring 1 is refractory seals adhesive tape, when filter core is arranged in deduster, seals between the parts that this filter core is connected with top by sealing ring 1.
The high temperature resistant temperature of described polyester sulfide sheet material is at about 160 DEG C, moment can reach 200 DEG C, the polytetrafluoroethylene (PTFE) of overlay film is high temperature resistant reaches high temperature resistant temperature at about 250 DEG C, moment can reach 280 DEG C, the high temperature resistant temperature of refractory seals glue of bonding is at about 200 DEG C, and above material has the antiacid alkali ability of high-quality simultaneously.
Above-mentioned filter material can according to the extraordinary needs of the mounting means of different dry type air purification dedusters or user, make different shapes, as straight barrel type, cone cartridge type, oval cartridge type, square tube formula etc., different shapes and size, and different sealing means can be adopted, as closed in pass-through type, one side or tandem.
The present invention, after manufacturing, uses, has the following advantages in dry dust filter core (cylinder) formula air purifying dust remover:
1. can meet the instructions for use under continuous heat resisting temperature < 160 DEG C of conditions;
2., because single filter core (cylinder) filters air quantity comparatively greatly, filter core (cylinder) formula deduster volume is obviously reduced, just with about 1/4 of spline filter air quantity fiber bag precipitator volume;
3., because volume reduces, save and manufacture steel, the manufacturing cost of separate unit filter core (cylinder) deduster is about 4/5 of the fiber bag precipitator of same spline filter air quantity;
4. filter core (cylinder) formula deduster selling price decided advantage, significantly reduces the use cost using producer, for overspending is saved in the perfection transformation of national environmental protection equipment;
5. filtering accuracy is high, and the air purification efficiency of deduster reaches 99.99%, and for really realizing except fume and dust, the haze problem that solution takes place frequently provides effectively equips guarantee;
6. can be proved by the result of examining report, the discharge precision that current national standard requires rises to 20mg/m3, and the discharge precision that this filter core (cylinder) detects is 1.54mg/m3, meets state environmental emissioning standard requirement far away.Testing result sees the following form, and wherein table one is the testing result of boiler waste gas, and table two is deduster import detection data, and table three is house outlet detection data.
Table one:
Table two:
Table three:
Claims (7)
1. a high-temp. resistant air purifying filter element, comprise two-layer reinforcement steel mesh (5) with one heart, it is characterized in that: be equipped with filter material (4) between described two-layer reinforcement steel mesh (5), described filter material (4) is rear end to end thioether sheet for circumferencial direction folds.
2. high-temp. resistant air purifying filter element according to claim 1, is characterized in that: described thioether sheet surface is covered with poly tetrafluoroethylene.
3. high-temp. resistant air purifying filter element according to claim 2, is characterized in that: described reinforcement steel mesh (5) and the two ends of filter material (4) are bonded with reinforcement end cap (2) and lower reinforcement end cap (6) respectively.
4. high-temp. resistant air purifying filter element according to claim 3, it is characterized in that: the shell of described upper reinforcement end cap (2) and lower reinforcement end cap (6) is sheet metal, sheet metal is bonding with between reinforcement steel mesh (5) and filter material (4) by refractory seals glue (3).
5. high-temp. resistant air purifying filter element according to claim 4, is characterized in that: described upper reinforcement end cap (2) top is provided with the sealing ring (1) of high temperature resistant adhesive tape.
6. high-temp. resistant air purifying filter element according to claim 5, is characterized in that: described filter core shape can be the one in straight tube shape, cone barrel, oval tubular, square tube shape.
7. high-temp. resistant air purifying filter element according to claim 6, is characterized in that: described filter core is several series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410771285.9A CN104474812A (en) | 2014-12-15 | 2014-12-15 | High-temperature-resistant air purification filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410771285.9A CN104474812A (en) | 2014-12-15 | 2014-12-15 | High-temperature-resistant air purification filter element |
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| CN104474812A true CN104474812A (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410771285.9A Pending CN104474812A (en) | 2014-12-15 | 2014-12-15 | High-temperature-resistant air purification filter element |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107308745A (en) * | 2016-04-26 | 2017-11-03 | 兰州蓝星纤维有限公司 | The device and application method of waste solids in a kind of continuous cleaning carbide furnace exhaust passage |
| CN112474689A (en) * | 2020-11-27 | 2021-03-12 | 齐齐哈尔赛石精工机械制造有限公司 | Large-scale factory building portable smoke and dust purifier |
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| CN201399287Y (en) * | 2009-03-19 | 2010-02-10 | 上海博格工业用布有限公司 | Hard polyphenyl sulfide (PPS) fiber high-temperature resisting woven filter felt for filter cylinder |
| CN102166455A (en) * | 2011-03-11 | 2011-08-31 | 厦门美达斯环保工业有限公司 | High-temperature resisting stiffened needled felt filter material and manufacturing method and application thereof |
| CN201959678U (en) * | 2011-03-11 | 2011-09-07 | 厦门美达斯环保工业有限公司 | High-temperature resistance filter cartridge |
| CN202700274U (en) * | 2012-09-03 | 2013-01-30 | 天津福业云祥机械配件有限公司 | Filter element of natural gas filter |
| CN204365059U (en) * | 2014-12-15 | 2015-06-03 | 齐齐哈尔赛石精工机械制造有限公司 | High-temp. resistant air purifying filter element |
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2014
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201399287Y (en) * | 2009-03-19 | 2010-02-10 | 上海博格工业用布有限公司 | Hard polyphenyl sulfide (PPS) fiber high-temperature resisting woven filter felt for filter cylinder |
| CN102166455A (en) * | 2011-03-11 | 2011-08-31 | 厦门美达斯环保工业有限公司 | High-temperature resisting stiffened needled felt filter material and manufacturing method and application thereof |
| CN201959678U (en) * | 2011-03-11 | 2011-09-07 | 厦门美达斯环保工业有限公司 | High-temperature resistance filter cartridge |
| CN202700274U (en) * | 2012-09-03 | 2013-01-30 | 天津福业云祥机械配件有限公司 | Filter element of natural gas filter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107308745A (en) * | 2016-04-26 | 2017-11-03 | 兰州蓝星纤维有限公司 | The device and application method of waste solids in a kind of continuous cleaning carbide furnace exhaust passage |
| CN112474689A (en) * | 2020-11-27 | 2021-03-12 | 齐齐哈尔赛石精工机械制造有限公司 | Large-scale factory building portable smoke and dust purifier |
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Application publication date: 20150401 |