Control system for purge gas to flare

Details Control system for purge gas to flare Control system for purge gas to flare

1979-03-15

1981-05-05

Dority, Jr., Carroll B.

Combustion

Process of combustion or burner operation

Decarbonizing, cleaning or purging

431 29, 431202, F23D 1320

Patent

active

042656117

ABSTRACT:
In a flare system for waste gases, apparatus is provided for controlling the flow of purge gas into the flare gas line, as required, and not on a continuing basis. Sensor means are provided for detecting a change in temperature in the flare gas line, and means are provided for controlling the flow of purge gas whenever the temperature in the flare gas line changes to a lower value. No purge gas flow is required when the temperature is constant or when the temperature is rising.

REFERENCES:
patent: 3055417 (1962-09-01), Reed
patent: 3741713 (1973-06-01), Reed
patent: 3901643 (1975-08-01), Reed et al.
patent: 3994663 (1976-11-01), Reed
patent: 4113005 (1978-09-01), Cantrell
patent: 4139339 (1979-02-01), Straitz

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