Flare gas stack with purge control

Details Flare gas stack with purge control Flare gas stack with purge control

1977-02-17

1979-02-13

Favors, Edward G.

Combustion

Structural installation

431 5, 431 14, 431 29, 422168, F23D 1320

Patent

active

041393392

ABSTRACT:
A purge control system for flare gas stacks is described in which provisions are made for start up, steady state or transient purge gas control, and for failure of the purge gas supply, and also takes into account variable windspeed at or near the top of the stack, flow or non-flow of purge gas and waste gas in the stack, ambient temperature and temperature of the advancing gaseous medium in the stack, oxygen content of the gas at a predetermined location in the stack, the system including provisions for pilot burner gas supply and ignition with protection against pilot burner operation under undesired conditions, an indicating panel being employed to advise the operator of the prevailing operating conditions so that, if desired, appropriate action can be taken by the operator.

REFERENCES:
patent: 2734562 (1956-02-01), Haberle et al.
patent: 2888981 (1959-06-01), Ripple
patent: 3216661 (1965-11-01), Sawyer
patent: 3697229 (1972-10-01), Frey et al.
patent: 3901643 (1975-08-01), Reed et al.
patent: 3994663 (1976-11-01), Reed

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