Bag filter

Abstract

The invention discloses a bag-type dust remover. The bag-type dust remover comprises a dust remover box body, wherein an exhaust opening is formed in one side of the upper end of the dust remover box body, an intake opening is formed in one side of the lower end of the dust remover box body, and a dust removal cavity is formed in the dust remover box body; an ash hopper is arranged on the lower half part of the dust removal cavity, and a dust removal bag is arranged on the upper half part of the dust removal cavity; the upper end and the lower end of the ash hopper are open; a deposition cavity with a structure with a small top and a large bottom, an expansion cavity with a structure with a large top and a small bottom, and an ash discharge cavity with a structure with a large top and a small bottom are arranged in the ash hopper; the deposition cavity is arranged at the lower end of the expansion cavity, and the ash discharge cavity is arranged at the lower end of the deposition cavity; the middle part of the deposition cavity is communicated with the intake opening. Smoke achieves the effect of being rapidly and sufficiently settled, and reduces the filter burden of the dust removal bag. The whole ash hopper is reasonable and ingenious in structural setting.

Description

technical field [0001] The invention relates to a bag filter, in particular to the structure of the ash hopper in the bag filter. Background technique [0002] At present, the bag filter generally includes a dust collector box, an air outlet is provided on the upper side of the dust collector box, an air inlet is provided on the lower side of the dust collector box, and a dust removal cavity is provided inside the dust collector box; There is an ash hopper in the lower part of the cavity, and a dust bag in the upper part of the dust removal cavity; the upper and lower ends of the ash hopper are open. The structure of the ash hopper in the bag filter of this structure is generally a conical structure with a large top and a small bottom. Using this type of bag filter to purify flue gas, the purification effect is not good, and the time is long, the efficiency is low, and the dust bag is easy to block. Contents of the invention [0003] Aiming at the shortcomings of the abo...

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Problems solved by technology

[0003] Aiming at the shortcomings of the above-mentioned prior art, the problem solved by the present invention is: the dust removal effect of the bag filter is not good, the time is long, the efficiency is low, and the dust bag is easy to block

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