Gas separation – Deflector – Impingement baffle
Patent
1991-06-14
1992-12-01
Hart, Charles
Gas separation
Deflector
Impingement baffle
55322, 55433, B01D 4508
Patent
active
051676826
ABSTRACT:
A drop leg has a housing provided with top and bottom ends. The top end has an inlet and an outlet and the bottom end has a drain. An impingement plate supported within the housing is spaced from the top end to establish a separating chamber and to be directly contacted by the air stream through the inlet. The upper surface of the impingement plate is downwardly and inwardly inclined and has a central drain. The air stream striking the inclined surfaces rebounds towards the outlet. When vapors are also present, the drop leg is provided with a bulkhead which is sealed to the housing and establishes with the impingement plate an upper chamber and with the bottom end a settling chamber for contaminants separated from the air stream. The space between the periphery of the impingement plate and a portion of the housing establishes an orifice which may be adjustable, enabling a limited volume of air to escape into the upper chamber and thence to atmosphere with a resulting pressure drop effecting the cooling of the impingement plate to assist in the separation of vapors and other contaminants from the air stream.
REFERENCES:
patent: 1129755 (1915-02-01), Suprunowski
patent: 2467408 (1949-04-01), Semon
patent: 3345807 (1967-10-01), Von Felden
patent: 4036615 (1977-07-01), Heintzelman
Brookfield Richard A.
Walle Leonard I.
Hart Charles
Spear Abbott
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