Electrostatic filter dust collector

Details Electrostatic filter dust collector Electrostatic filter dust collector

1987-02-11

1988-06-14

Prunner, Kathleen J.

Gas separation

Means within gas stream for conducting concentrate to collector

55138, 55155, B03C 312, B03C 345

Patent

active

047509210

ABSTRACT:
This electrostatic filter dust collector has a dust collecting section which is assembled by using a mini-pleat type filter member having a small width of the fold thereof and a short distance between the adjacent ridge portions thereof, whereby the dust collector is reduced in both its size and thickness. Since a plurality of spacers are inserted into the filter member from the upstream and downstream sides thereof, the percentage of the contacting area of the spacers with respect to the filter member is low, and the percentage of the dust collecting area thereof is high. In addition, it is possible to obtain a sufficiently large insulating distance. Either or both of the upstream and downstream spacers are electrically conductive, and a high voltage is applied between the corresponding conductive spacers, so that a uniform and stable electric field is generated on the filter member as a whole. This enables a high dust collecting efficiency to be obtained.

REFERENCES:
patent: 2206684 (1940-07-01), Yant
patent: 2297601 (1942-09-01), Williams
patent: 2868319 (1959-01-01), Rivers
patent: 2915426 (1959-12-01), Poelman
patent: 3871851 (1975-03-01), Neumann
patent: 4509958 (1985-04-01), Masuda et al.

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