Portable membrane filter bag

Abstract

A portable membrane filter bag comprises a membrane and a base cloth layer. The membrane is located on the outer side of the base cloth layer, the membrane adopts a polytetrafluoroethylene microporous membrane which is provided with micropores with the bore diameter being 0.1-3.5 micrometers, the porosity of the micropores reaches 75-90%, the base cloth layer is made from alkali-free glass fiber continuous bulk yarn fiber, the mass per unit area is 46-122.7 g / m<2>, the thickness is 0.64-1.39 mm, and the average fiber web bore diameter is 11.385-24.9691 micrometers. According to the portable membrane filter bag, surface filtration is achieved, the dust discharge amount is almost zero, the ventilation volume of dust collecting equipment is increased, pressure drop of the dust collecting equipment is reduced, the service life of the filter bag is prolonged, the dust removal cycle and the electricity consumption are reduced, the repair and maintenance cost of the dust collecting equipment is reduced, the filtering wind speed of the dust collecting equipment is increased, the use volume of the dust collecting equipment is reduced, and and the investment cost of the dust collecting equipment is lowered.

Description

technical field [0001] The invention relates to a bag filter, in particular to a convenient film-coated filter bag for the filter bag of the bag filter. Background technique [0002] At present, the production sites of building materials, chemical industry, metallurgy and mining industries have a lot of dust, and the dust contains moisture, so dust removal equipment is needed to remove the dust. However, the filter bag of the existing dust collector has poor filtering effect and low dust removal efficiency. During the process, the fly ash will pass through the filter bag to form dust, which will damage the health of workers, and the dust filter bag needs to be replaced frequently, delaying production, increasing labor, increasing production costs, and reducing labor efficiency. [0003] The film is coated on the surface of the basic filter material. The film-coated filter material uses the three-dimensional mesh fibers on the surface of the film and its tiny pores to filter,...

AI Technical Summary

Problems solved by technology

[0002] At present, the production sites of building materials, chemical industry, metallurgy and mining industries have a lot of dust, and the dust contains moisture, so dust removal equipment is needed to remove the dust. However, the filter bag of the existing dust collector has poor filtering effect and low dust removal efficiency. During the process, the fly ash will pass through the filter bag to form dust, which will damage the health of workers, and the dust filter bag needs to be replaced frequently, delaying production, increasing labor, increasing production costs, and reducing labor efficiency.

Images