Control system for plurality of gas supplies

Details Control system for plurality of gas supplies Control system for plurality of gas supplies

1977-03-10

1978-09-05

Dority, Jr., Carroll B.

Combustion

Process of combustion or burner operation

Controlling or proportioning feed

431 90, 137 7, 137113, 137114, F23N 100

Patent

active

041116372

ABSTRACT:
At least two gas streams are passed into a surge vessel. The flow rate of a first one of the gas streams is manipulated responsive to either the deviations of the pressure in the surge vessel from a first pressure value or the deviations of the flow rate from a set value, depending on which would provide the larger flow rate. The flow rate of a second stream is manipulated responsive to deviations of the pressure in the surge vessel from a second pressure value which is higher than the first pressure value. The system is particularly applicable to the selective use of in-plant produced fuel gas, natural gas and liquefied petroleum gas to supply fuel gas demands in a plant, with the natural gas stream and the propane stream being the first and second streams, respectively.

REFERENCES:
patent: 2418388 (1947-04-01), Ziebolz
patent: 3159345 (1964-12-01), Osburn et al.
patent: 3322136 (1967-05-01), Matta
patent: 3552871 (1971-01-01), Remke
patent: 3721253 (1973-03-01), Remke
patent: 3905394 (1975-09-01), Jerde

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