Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1979-08-06
1981-02-03
Bell, Paul A.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
266 44, 266 80, 266 99, C21B 500
Patent
active
042486254
ABSTRACT:
A method of operating a blast furnace comprising the steps of selecting sight factors mathematically and statistically as effective in determining the operating condition of a blast furnace, sensing the eight factors as sample data, converting the sample data into variable factors, comparing the sample data and the variable factors with predetermined limiting factors, generating numerical non-dimension values corresponding to the level of satisfaction between the sample date or variable factors and the corresponding limiting values, multiplying the numerical non-dimensional values by predetermined corresponding weight allocation indices, summing separately the results of the multiplication for the sample data and the variable factors to form a numerical factor grand addition output and a variable factors grand addition output, summing the numerical factors grand addition output and the variable factors grand addition output to form an overall grand addition output and taking appropriate action to control the furnace based upon the values of the overall grand addition output, numerical factors and variable factors grand addition outputs and the numerical non-dimensional values.
REFERENCES:
patent: 3304171 (1967-02-01), McCleskey
patent: 3690632 (1972-04-01), Munson
Fukutake Tsuyoshi
Iwamura Tadaaki
Nagai Tamotsu
Okabe Kyoji
Saino Mitsuo
Bell Paul A.
Kawasaki Steel Corporation
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