Easy-Cleaning Polyester Felt Dust Filter Bags
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Easy-Cleaning Polyester Felt Dust Filter Bags
Easy-Cleaning Polyester Felt Dust Filter Bags are made of 1-2.5D polyester fine denier yarn, which is woven with high-strength and low-elongation yarns to strengthen the base fabric, which is reinforced by needle punching and post-treatment.
Features of Easy-Cleaning Polyester Felt Dust Filter Bags
Easy-Cleaning Polyester Felt Dust Filter Bags product has the characteristics of ordinary felt filter cloth with high porosity, good air permeability, acid resistance and moderate alkalinity, and has very good properties, so it is a kind of felt filter material. A variety that is used in large quantities. The weight ranges from 350g/㎡-800g/㎡, and the thickness ranges from 1mm-4mm. Our factory can produce. Post-treatment methods include calendering, singeing, heat setting, immersion drying, coating, etc. It has the characteristics of dimensional stability, easy dust removal and long service life.
Application of Easy-Cleaning Polyester Felt Dust Filter Bags
Easy-Cleaning Polyester Felt Dust Filter Bags are made of easy-cleaning polyester felt (incorporating conductive fiber yarn into the warp yarn of the base fabric of the needle-punched felt or mixing conductive material such as conductive fiber in chemical fiber). It is used in flour dust, chemical dust, coal dust and other industries that may explode in case of electrostatic discharge. It is the ideal choice for explosion-proof dust collection at present.
Easy-Cleaning Polyester Felt Dust Filter Bags operating conditions and filter cloth performance
After the concentration of industrial dust reaches a certain level (ie, the explosion limit), if it encounters factors such as electrostatic discharge sparks or external ignition, it is very easy to cause explosions and fires. For example, flour dust, chemical dust, coal dust, etc. may explode if exposed to electrostatic discharge. In the field of bag dust removal, if these dusts need to be collected by cloth bags, the filter material used to make dust collection bags is required to have performance.
The smoothness of the surface of the Easy-Cleaning Polyester Felt Dust Filter Bags has a great influence on the dynamic running resistance of the filter.
The initial resistance of the filter material is determined by the air permeability of the filter material itself, and the resistance during operation is many times larger than the initial resistance. The running resistance depends on the smoothness of the surface of the filter material, the cleaning effect and so on. Generally, it is hoped that when the filter material guarantees the same filtration efficiency, the greater the air permeability, the better, that is, the lower the resistance, the better, because this can save a lot of energy. In a dust collector that uses airflow back-blowing to clean the dust, when the airflow of the same pressure and the same air volume is used for dust removal, the cleaning effect of using a woven material with large air permeability as a filter bag is better than selecting a woven material with a small air permeability . Therefore, how to increase the air permeability of the filter material and improve the surface smoothness, reduce dust adhesion, and reduce the running resistance under the condition of ensuring that the filter material achieves a higher filtration accuracy is a topic that the filter material manufacturer should study first.
The Easy-Cleaning Polyester Felt Dust Filter Bags developed by our factory have an air permeability that is more than 50% higher than that of ordinary calendering finishing filters, and the surface smoothness is more smooth than that of calendering and finishing. Polyester fine-denier large chemical fiber yarns are used to produce polyester (polyester) fiber needle-punched filter felts, which can mix multiple fibers uniformly and quantitatively, and then use multiple blending and carding units to facilitate different fibers between the webs. Layered composite, gradient transformation. In addition to the advantages of high porosity, good air permeability, dust collection, and long service life of ordinary felt filter cloth, the easy-clean polyester felt dust bag bag has the advantages of moderate temperature resistance, which can reach 150 ℃ in an instant, and is acid and resistant. In addition to the characteristics of moderate alkali and very good performance, the easy-cleaning polyester felt dust bag is a very large variety of felt filter materials.
Performance indicators of Easy-Cleaning Polyester Felt Dust Filter Bags:
Gram weight: 500g/m2
Material: polyester/polyester filament base fabric
Thickness: 1.75mm
Air permeability: 16m3/m2·min
Warp tensile force: >1100N/520cm
Weft tension: >1400N/520cm
Warp elongation: <25%
Weft elongation: <45%
Operating temperature: ≤130℃
Post-treatment: surface resin treatment
Easy-Cleaning Polyester Felt Dust Filter Bags are made of 1-2.5D polyester fine denier yarn, which is woven with high-strength and low-elongation yarns to strengthen the base fabric, which is reinforced by needle punching and post-treatment.
Features of Easy-Cleaning Polyester Felt Dust Filter Bags
Easy-Cleaning Polyester Felt Dust Filter Bags product has the characteristics of ordinary felt filter cloth with high porosity, good air permeability, acid resistance and moderate alkalinity, and has very good properties, so it is a kind of felt filter material. A variety that is used in large quantities. The weight ranges from 350g/㎡-800g/㎡, and the thickness ranges from 1mm-4mm. Our factory can produce. Post-treatment methods include calendering, singeing, heat setting, immersion drying, coating, etc. It has the characteristics of dimensional stability, easy dust removal and long service life.
Application of Easy-Cleaning Polyester Felt Dust Filter Bags
Easy-Cleaning Polyester Felt Dust Filter Bags are made of easy-cleaning polyester felt (incorporating conductive fiber yarn into the warp yarn of the base fabric of the needle-punched felt or mixing conductive material such as conductive fiber in chemical fiber). It is used in flour dust, chemical dust, coal dust and other industries that may explode in case of electrostatic discharge. It is the ideal choice for explosion-proof dust collection at present.
Easy-Cleaning Polyester Felt Dust Filter Bags operating conditions and filter cloth performance
After the concentration of industrial dust reaches a certain level (ie, the explosion limit), if it encounters factors such as electrostatic discharge sparks or external ignition, it is very easy to cause explosions and fires. For example, flour dust, chemical dust, coal dust, etc. may explode if exposed to electrostatic discharge. In the field of bag dust removal, if these dusts need to be collected by cloth bags, the filter material used to make dust collection bags is required to have performance.
The smoothness of the surface of the Easy-Cleaning Polyester Felt Dust Filter Bags has a great influence on the dynamic running resistance of the filter.
The initial resistance of the filter material is determined by the air permeability of the filter material itself, and the resistance during operation is many times larger than the initial resistance. The running resistance depends on the smoothness of the surface of the filter material, the cleaning effect and so on. Generally, it is hoped that when the filter material guarantees the same filtration efficiency, the greater the air permeability, the better, that is, the lower the resistance, the better, because this can save a lot of energy. In a dust collector that uses airflow back-blowing to clean the dust, when the airflow of the same pressure and the same air volume is used for dust removal, the cleaning effect of using a woven material with large air permeability as a filter bag is better than selecting a woven material with a small air permeability . Therefore, how to increase the air permeability of the filter material and improve the surface smoothness, reduce dust adhesion, and reduce the running resistance under the condition of ensuring that the filter material achieves a higher filtration accuracy is a topic that the filter material manufacturer should study first.
The Easy-Cleaning Polyester Felt Dust Filter Bags developed by our factory have an air permeability that is more than 50% higher than that of ordinary calendering finishing filters, and the surface smoothness is more smooth than that of calendering and finishing. Polyester fine-denier large chemical fiber yarns are used to produce polyester (polyester) fiber needle-punched filter felts, which can mix multiple fibers uniformly and quantitatively, and then use multiple blending and carding units to facilitate different fibers between the webs. Layered composite, gradient transformation. In addition to the advantages of high porosity, good air permeability, dust collection, and long service life of ordinary felt filter cloth, the easy-clean polyester felt dust bag bag has the advantages of moderate temperature resistance, which can reach 150 ℃ in an instant, and is acid and resistant. In addition to the characteristics of moderate alkali and very good performance, the easy-cleaning polyester felt dust bag is a very large variety of felt filter materials.
Performance indicators of Easy-Cleaning Polyester Felt Dust Filter Bags:
Gram weight: 500g/m2
Material: polyester/polyester filament base fabric
Thickness: 1.75mm
Air permeability: 16m3/m2·min
Warp tensile force: >1100N/520cm
Weft tension: >1400N/520cm
Warp elongation: <25%
Weft elongation: <45%
Operating temperature: ≤130℃
Post-treatment: surface resin treatment
| Post-processing method | Breathable layer (m³/㎡/min) |
| Needle felt without post-treatment | 25 |
| Needle felt with singeing treatment | 21 |
| Hot calendering needle felt | 11 |
| Needle felt for easy cleaning | 20 |
| Treated needle felt | 14 |
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