Filter core for down flow type filter cylinder dust remover

Abstract

The invention provides a filter core for a down flow type filter cylinder dust remover, and belongs to the technical field of manufacture of dust removers. The filter core comprises an elliptical porous cylinder core, a wrinkle-shaped filter layer and coarse filter cloth, wherein the coarse filter cloth is covered on the periphery of the wrinkle-shaped filter layer; the wrinkle-shaped filter layer is in a similar stelliform elliptical cylinder-shaped structure and formed by folding a filtering material with certain length into winkles and adhering end to end; the inner edges of all the winkles are all distributed on the periphery of the elliptical porous cylinder core; winkle heights are symmetrically distributed relative to an elliptical short axis, and the winkle heights positioned at one side which corresponds to a semi-major axis positioned at each side of the elliptical short axis are h, and all the winkles positioned at the other side are divided into four equal pieces; and the winkle heights of each equal piece are sequentially h+d, h+2d, h+3d and h+4d by being far away from the endpoint of a long axis. The filter core disclosed by the invention enlarges the filter area of a windward side and increases the filter efficiency in such a way that the arithmetic sequence of the winkle heights accord with the flow regularity of air.

Description

technical field [0001] The invention belongs to the technical field of dust collector preparation, and in particular relates to a filter element used for a downflow filter cartridge dust collector. Background technique [0002] Cartridge dust collector is a new type of dust collector produced by Donaldson Company of the United States on the basis of bag filter in the 1980s. It uses a new type of filter cartridge as the filter material, and has the advantages of high efficiency, low resistance, simple maintenance and management. Small size, large filtration area per unit volume, compact structure, convenient replacement of filter cartridges, high performance, etc. At present, it is widely used in the purification of dusty gas and the recovery of dusty materials in food, pharmaceutical, feed, metallurgy, building materials, cement, machinery, chemical, electric power, and light industries. With the continuous development of dust removal technology, especially the emergence of...

AI Technical Summary

Problems solved by technology

[0006] In addition, when cleaning the dust, the dust accumulated in the folded seam of the filter element is more difficult to remove, and the dust particles blown off the upper filter cartridge settle on the lower filter cartridge, which increases the difficulty of dust removal

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