Apparatus and method for removing particulate deposits from high

Details Apparatus and method for removing particulate deposits from high Apparatus and method for removing particulate deposits from high

1992-04-08

1992-12-01

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

55302, 55523, 55DIG30, 60303, B01D 4604

Patent

active

051676761

ABSTRACT:
A combustion of a fuel-air mixture is used to provide a high-temperature and high-pressure pulse of gaseous combustion products for the back-flush cleaning of ceramic filter elements contained in a barrier filter system and utilized to separate particulates from particulate-laden process gases at high temperature and high pressure. The volume of gaseous combustion products provided by the combustion of the fuel-air mixture is preferably divided into a plurality of streams each passing through a sonic orifice and conveyed to the open end of each filter element as a high pressure pulse which passes through the filter elements and dislodges dust cake supported on a surface of the filter element.

REFERENCES:
patent: 4283207 (1911-08-01), Maxtyniuk
patent: 4735638 (1988-04-01), Ciliberti et al.
patent: 4902309 (1990-02-01), Hempenstall

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