Automatic control for process for thermally gasifying hydrocarbo

Details Automatic control for process for thermally gasifying hydrocarbo Automatic control for process for thermally gasifying hydrocarbo

1974-11-12

1976-09-07

Mars, Howard T.

Compositions

Gaseous compositions

Carbon-oxide and hydrogen containing

48215, 23255E, 23281, C01B 214

Patent

active

039793281

ABSTRACT:
Hydrocarbons are thermally gasified with oxygen and water vapor as gasifying agents under a pressure of at least 3 kilograms per square centimeter and at temperatures in the range of about 1,000-1,500.degree.C in a reactor having supply conduits for the hydrocarbons, the gasifying agents, and an inert purging gas. The hydrocarbon and gasifying agents supply conduits are opened and closed by suitable valves and means are provided for scrubbing the product gas which contains mainly carbon monoxide and hydrogen. Opening and closing of the supply conduit valve in controlled sequences during out-of-normal operation of the gasification plant, particularly during periods of start-up and shut-down is accomplished by a permanently wired electric circuit initiated by an operator which causes an automatic performance of successive control actions.

REFERENCES:
patent: 1988929 (1935-01-01), Wilson
patent: 2353538 (1944-07-01), Barber
patent: 2546013 (1951-03-01), Peck et al.
patent: 2751362 (1956-06-01), Laird
patent: 3402121 (1968-09-01), Hallman
patent: 3533764 (1970-10-01), Togneri
patent: 3820964 (1974-06-01), Janka
Perry's Chemical Engineers Handbook, McGraw Hill, New York 4th ed. (1963) pp. 22-63 to 22-70, 22-85 to 22-87. 1,000.degree.- valves

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