Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition – Control element responds proportionally to a variable signal...
Patent
1998-06-05
2000-07-25
Knode, Marian C.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
Control element responds proportionally to a variable signal...
422110, 422115, 48190, 48197R, C10J 350
Patent
active
060933720
ABSTRACT:
The system for controlling oxygen flow in a gasification process of the instant invention comprises a suction control valve located between the oxygen source and the oxygen compressor. The suction control valve is adapted in order to open to deliver oxygen from the source to the compressor through the first pipe and to move to a reduced flow position to prevent excess delivery of oxygen from the source to the compressor. The system also comprises a second pipe which operably connects the oxygen compressor to a port of a gasifier. The system comprises a normally closed vent valve located between the oxygen compressor and the port of a gasifier. The system comprises a means located in the gasifier or in the gasifier effluent for detecting when it is necessary to change the oxygen flow to the gasifier and to actuate the suction control valve sufficient to change the oxygen flow. Finally, the system comprises a means for a means of controlling the suction control valve and the vent valve to regulate the quantity of oxygen delivered to the gasifier.
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PCT Search Report PCT/US98/12063.
Fair Delome D.
Johnson Kay A.
Wallace Paul S.
Gibson Henry H.
Knode Marian C.
Ohorodnik Susan
Texaco Inc.
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