Polyester film dust removal filter bag for cement canning and production process thereof

Abstract

The invention relates to the field of dust removal filter bags, in particular to a polyester film dust removal filter bag for cement canning and a production process thereof. The dust removal filter bag comprises a filter bag body and a keel frame, and the filter bag body is sequentially provided with a first polyester film layer, a base cloth layer, a first filter layer, a lining layer, a second filter layer and a second polyester film layer from outside to inside; the base cloth layer, the first filter layer, the lining layer and the second filter layer are formed by winding and weaving, and the outer surface of the base cloth layer and the outer surface of the second filter layer are covered with the first polyester film layer and the second polyester film layer respectively. The filter bag body is provided with the two filter layers, a better filter effect is achieved, the filter layers are made of polytetrafluoroethylene, and the filter bag has the advantages of being high in peel strength, large in air permeability and uniform in pore size distribution. Meanwhile, the dust removal efficiency can be remarkably improved through the polyester film, the dust emission concentration can be controlled to be 10 mg / m<3>, and the requirement for dust purification can be met.

Description

technical field [0001] The invention relates to the field of dust-removing filter bags, in particular to a polyester-coated dust-removing filter bag for cement canning and a production process thereof. Background technique [0002] The filter bag has excellent chemical performance stability and heat resistance. It is the representative of the highest performance in the filter material industry, and it is also the most high-end variety of all commonly used filter materials. Level. [0003] When the cement is packed, the dust at the tail is relatively large, and ordinary dust filter bags cannot meet the dust removal requirements. Contents of the invention [0004] In order to solve the above-mentioned deficiencies mentioned in the background technology, the object of the present invention is to provide a kind of polyester film-coated dust-removing filter bag for cement canning and its production process. [0005] The purpose of the present invention can be achieved through...

AI Technical Summary

Problems solved by technology

[0003] When the cement is packed, the dust at the tail is relatively large, and ordinary dust filter bags cannot meet its dust removal requirements.