Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1983-01-07
1984-08-28
Spitzer, Robert H.
Gas separation
Means within gas stream for conducting concentrate to collector
55179, 55208, 55316, 55387, 55DIG17, B01D 5304
Patent
active
044682395
ABSTRACT:
A twin tower assembly for decontaminating compressed gas, each tower having inlet, outlet, drain and solenoid valves of which the inlet and drain valves are separately connected directly to the solenoid valve and actuated respectively to close and open by actuating gas supplied and exhausted through the tower's solenoid valve, the towers by alternate energizing of their solenoid valves under timer control and actuation of their inlet and drain valves each normally alternating between decontaminating and regenerating cycles and together alternating in their decontaminating cycles for supplying a continuous output of decontaminated gas, the inlet and drain valves of each tower being so relatively constructed that actuating gas supplied at the same pressure at the solenoid valve exerts a greater force differential for closing the inlet valve than for opening the drain valve and ensures that in cycling the inlet valve will close before opening and open after closing of the drain valve. Passage-connected outlet chambers in the towers enable each tower during a decontaminating cycle to supply decontaminated regenerating gas to the other tower at a flow rate and reduced pressure predetermined by the size of a restricted orifice in the connecting passage and each tower removably houses in advance of its outlet chamber a canister containing and shippable loaded with a particulate desiccant and mounting upstream of the desiccant an oil coalescer.
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Mechlin Wilmer
Roanoke College
Spitzer Robert H.
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