Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1981-02-27
1983-03-08
Lacey, David L.
Gas separation
Means within gas stream for conducting concentrate to collector
55 89, 55 92, 55 94, 55223, 55228, 55238, 55242, 55258, 55259, 55 96, 261 3, 261 5, 261 79A, 159 4A, 159 4ST, B01D 4706, B01D 4712, B01D 120
Patent
active
043759769
ABSTRACT:
Filter apparatus and a method for removing dry combustible particulate material from a stream of gas in two steps of separation, utilizing a primary separator to remove the majority of the material from said stream of gas and a secondary filter apparatus which includes water sprays and a wetted filter pad to remove additional material. Portions of the filter pad are sequentially backwashed at periodic intervals, and the particulate material washed from the filter pad is thereafter introduced into the stream of gas being cleaned, permitting collection of all removed particulate material from a single collection point associated with the primary separation apparatus. The material washed from the filter pad of the secondary apparatus is introduced into the stream of gas to be cleaned in the form of a slurry, the moisture from the slurry thereby reducing the likelihood of explosion of the particulate matter within the stream of gas.
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