Efficient filtering and deashing device with inner cone double-layer filter cartridge

Abstract

The invention provides an efficient filtering and deashing device with an inner-cone double-layer filter cartridge, which comprises an outer filter cartridge (1), an inner-cone filter cartridge (2), a double-slit blowing pipe (3), a mounting cover (4), a sealing cover (5) and an oblate sphere (6), the mounting cover (4) is mounted at the top of the outer filter cartridge (1), the sealing cover (5) is mounted at the bottoms of the outer filter cartridge (1) and the inner-cone filter cartridge (2), the oblate sphere (6) is mounted at the top of the inner-cone filter cartridge (2), and the double-slit blowing pipe (3) is connected with the oblate sphere (6). The double-slit blowing pipe (3) is vertically mounted at the upper part of the oblate sphere (6); the filtering surfaces of the outer filtering cylinder (1) and the inner conical filtering cylinder (2) are of a wrinkle structure with triangular wrinkles (7) and short flat wrinkles (8) at intervals; and an air flow connecting pipe (10) and a flow guide connecting pipe (11) of the double-slit blowing pipe (3) are connected with a high-pressure air flow pipe (9) and respectively lead to a lower blowing pipe cover (12) and a blowing pipe body (13). The device has the advantages of large filtering area, large pulse gas flow, high ash removal efficiency and the like.

Description

technical field [0001] The invention relates to the field of dust collector devices, in particular to a high-efficiency filtration and cleaning device with an inner cone double-layer filter cartridge. Background technique [0002] With the rapid development of the mining industry and the widespread use of high-power machinery, the problem of coal mine dust pollution has become increasingly prominent, resulting in an increasing proportion of respirable dust (referring to dust with a particle size of less than 5 μm) that produces pneumoconiosis. Coal mine dust will mainly cause serious harm in three aspects: first, for high-precision production equipment, the in-depth dust will seriously affect the performance of the instrument and equipment, and it will also damage the inside of the instrument and reduce the service life; second, the accumulation of coal dust Too much can easily lead to coal dust explosion. During the working process, if there is too much coal dust in the ai...

AI Technical Summary

Problems solved by technology

[0004] However, due to the fact that the triangular pleat filter surface of the traditional pleated dust removal filter cartridge often accumulates dust during the filtration process, resulting in a large amount of dust remaining in the inner pleats of the triangular pleat structure; although the commonly used pulse airflow cleaning can remove most of the dust, but Uneven dust removal often occurs along the length of the filter cartridge

Under long-term use, dust will accumulate on the surface of the filter material to block the filter cartridge, increase the filter resistance, reduce the filter area, and greatly reduce the service life of the filter element.

At the same time, the traditional pleated filter cartridge can only use the side filter material to filter the dusty airflow, which has a small air volume and takes up a large volume, and does not effectively use the bottom and internal space of the filter cartridge

Images