Process for regulating a steam generator and a regulatory means

Details Process for regulating a steam generator and a regulatory means Process for regulating a steam generator and a regulatory means

1975-03-20

1976-03-09

Sprague, Kenneth W.

Liquid heaters and vaporizers

Automatic control of fluid fuel and water

Once through

122448S, 122451S, F23N 500, F22B 3506

Patent

active

039424839

ABSTRACT:
The steam generator which may be a forced-flow type, a drum boiler type or exhaust-gas type has at least one of the operational magnitudes, i.e. firing intensity, feedwater flow rate, gas flow rate and the like, regulated in accordance with temperature variations in the region of the economiser. The temperature variation is subjected to a retardation and the resulting signal is superimposed on the control signal (L) for the operating magnitude.

REFERENCES:
patent: 2804851 (1957-09-01), Smoot
patent: 3164136 (1965-01-01), Laubli
patent: 3202136 (1965-08-01), Hottenstine

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