A multi-stage filter dust collector

A technology of dust collector and stage filtration, which is applied in the direction of chemical instruments and methods, separation methods, and separation of dispersed particles, which can solve problems such as unevenness, easy blockage of filter bags, airflow distribution, etc., and achieve improved filtration effect, stable pressure, and airflow uniform and coherent effect
CN108554108BActive Publication Date: 2020-04-21XINYI HONGRUN QUARTZ SILICA POWDER
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
XINYI HONGRUN QUARTZ SILICA POWDER
Publication Date
2020-04-21

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Abstract

The invention relates to a multi-stage filter dust collector, which comprises a shell, an ash hopper, a cover plate and a horizontal partition installed inside the shell, and the partition divides the inside of the shell into two parts that are not connected up and down. , the ash hopper is installed below the shell, the cover plate is installed above the shell, a mixed flow chamber is formed between the shell, the ash hopper and the partition, a collecting chamber is formed between the shell, the cover plate and the partition, and the shell There is an air inlet connected to the mixed flow chamber, and an air outlet connected to the collecting chamber on the shell; there is an inner cylinder placed vertically in the mixed flow chamber on the partition, and the inner cylinder is connected to the partition by rotation. The inner side of the inner cylinder forms a drainage chamber; the inner cylinder has a special-shaped filter bag with upper and lower openings placed under the inner cylinder. The vertical position of the special-shaped filter bag corresponds to the position of the air inlet. Booster fan; there are multiple vertically arranged microporous filter bags placed in the drainage chamber on the partition, and the upper end of the microporous filter bag penetrates upward through the partition and is connected with the partition.
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Description

technical field

[0001] The invention relates to the technical field of environmental protection dust removal, in particular to a multi-stage filter dust collector. Background technique

[0002] The bag filter is a dry dust filter device, which uses the filtering effect of the filter material to filter the dusty gas to purify the gas; when the dusty gas is filtered through the filter material, the dust attached to the filter material continues to increase The ventilation effect of the filter material is significantly reduced, resulting in a reduction in the dust removal efficiency of the dust collector.

[0003] The traditional bag filter uses a first-stage filter bag for filtration. The concentration of dust-containing gas around the filter bag is relatively high, and the size of the dust particles is uneven. Some larger dust is easy to block the filter bag, thereby affecting the filtration efficiency.

[0004] In addition, the existing bag-type dust collector mainly uses d...

Claims

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