Method and system for controlling multi-zone reheating furnaces

Details Method and system for controlling multi-zone reheating furnaces Method and system for controlling multi-zone reheating furnaces

1981-06-05

1982-11-02

Camby, John J.

Heating

Processes of heating or heater operation

Treating an article, container, batch or body as a unit

432 18, 432 37, 432 54, 266 80, F27D 300

Patent

active

043571352

ABSTRACT:
A method and system is provided for controlling a reheating furnace having entrance and discharge ends, a preheating zone at the entrance end, and heating and soaking zones sequentially adjacent the preheating zone in the direction toward the discharge end, and an exhaust gas flue at the entrance end. The method and control system provides for obtaining an optimum temperature profile through the preheating and heating zones with minimum fuel consumption in connection with operation of the preheating zone by controlling the fuel supply to the preheating zone in accordance with the rate or quantity of fuel flow to the heating zone and the temperature of the exhaust gas from the furnace.

REFERENCES:
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patent: 2523644 (1950-09-01), Bloom
patent: 3022056 (1962-02-01), Dailey
patent: 3604695 (1971-09-01), Steeper
patent: 3627857 (1971-06-01), Matuno et al.
patent: 3689042 (1972-09-01), Pere et al.
patent: 3868094 (1975-02-01), Hovis
patent: 3969069 (1976-07-01), Knaak
patent: 4087238 (1978-05-01), Seigel
patent: 4108594 (1978-08-01), Venetta et al.
patent: 4257767 (1981-03-01), Price

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