Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1982-10-29
1984-12-04
Lacey, David L.
Gas separation
Means within gas stream for conducting concentrate to collector
55302, B01D 4604
Patent
active
044862016
ABSTRACT:
A filter cake cleaning method in a process for filtering gases containing fine particles, as well as a device for practicing the filter cake cleaning method. A filter cake adhering to a filter cloth is cleaned off by passing an overall amplified high-speed gas flow along the primary or outer side of the filter cloth parallel to the filter cloth surface on which the filter cake forms, the surface serving as the wall of a gas passage. A device emits a jetted stream into a collecting vessel at an open space upstream of a gas passage for entraining gas existing in the collecting vessel and for forming the overall amplified high pressure gas, and is controlled by a single automatic open/close valve. A device provided on the secondary or inner side of the filter cloth for jetting backwashing air can be used in conjunction with the above cleaning operation to enhance the cleaning effect.
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patent: 3816977 (1974-06-01), Gordon et al.
patent: 3884657 (1975-05-01), Rebours et al.
patent: 4007026 (1977-02-01), Groh
patent: 4082523 (1978-04-01), Pausch
patent: 4306888 (1981-12-01), Cheng
Colortronic Co., Ltd.
Lacey David L.
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