Method for controlling combustion in coke oven battery

Details Method for controlling combustion in coke oven battery Method for controlling combustion in coke oven battery

1976-06-30

1977-08-30

Serwin, R.E.

Distillation: processes, thermolytic

With measuring, testing or inspecting

23230A, 202151, 236 15E, C10B 2110

Patent

active

040452921

ABSTRACT:
In the operation of a conventional coke oven battery, a target flue temperature for each oven group is set on the basis of details of coal charge consisting of the weight, the particle size, the moisture content, the volatile matter content and the timing of charging of the coal charge, so as to achieve a target net coking time and a target soaking time given by a coke production schedule. Then, the temperature is measured for individual flues at certain intervals of time and deviations of thus measured flue temperatures from said target flue temperature are calculated by computer, to set a flow rate and a calorific value of the fuel gas for each oven group. A stack draft is set and controlled by computer so that an optimum combustion may take place in response to changes in the flow rate and the calorific value of the fuel gas. Said target flue temperature is furthermore bias-corrected with the use of a mean measured flue temperature, measured net coking times, measured soaking times and the details of coal charge corresponding thereto.

REFERENCES:
patent: 3607660 (1971-09-01), Kumper
patent: 3993447 (1976-11-01), Buzz et al.
Savas, E. S., Computer Control of Industrial Processes, N. Y., McGraw-Hill, 1965, pp. 147-153.

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