Distillation: processes – thermolytic – With measuring – testing or inspecting
Patent
1983-10-24
1987-09-08
Miles, Tim
Distillation: processes, thermolytic
With measuring, testing or inspecting
202151, 364557, 364571, C01B 4700
Patent
active
046922164
ABSTRACT:
Method of controlling heat input into a coke oven to obtain a desired temperature of the coke mass of the oven at the time of pushing comprising (1) determine the moisture content and heat of carbonization of a sample of coal scheduled for transfer into the oven; (2) determine a coal mass, a target coking time, and an efficiency for said oven; (3) calculate the heat requirement and temperature of the coke mass during the coking operation of the coke oven based upon the coal moisture, the heat of carbonization, the coal mass, the target coking time, and the efficiency; (4) determine the temperature of the coke mass during the coking operation; (5) compare the temperature determined from step (4) with the calculated temperature based upon the calculation of step (3); (6) analyze any deviations noted in step (5) to obtain a more accurate heat requirement for said oven, and (7) vary the heat input into said oven in accordance with the more accurate heat requirement.
This method preferably also includes the following additional steps: (1) compare a target temperature of the coke mass with the calculated temperature; (2) analyze the deviations of the target temperature from the calculated temperature, and (3) vary the heat input in response to the deviations.
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"Evaluation of Improved Silica Ovens at Emil Plant of Bergbau-Forschung GMBH" by Rohde, Stalherm and Beck, Ironmaking Proceeding vol. 34 (Toronto) 1975, pp. 177-192.
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"Fast-Reading Calorimeter Improves Combustion, Saves Energy", Iron and Steel Engineer, Feb., 1981.
Cribbs Timothy B.
Polansky Jon L.
Rice Douglas N.
Tomcanin William J.
Dickos George D.
Miles Tim
United States Steel Corporation
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