Specialized metallurgical processes – compositions for use therei – Processes – Process control responsive to sensed condition
Patent
1989-12-14
1990-12-11
Andrews, Melvyn J.
Specialized metallurgical processes, compositions for use therei
Processes
Process control responsive to sensed condition
75380, 75381, 75382, 75387, 75458, 266 80, 364500, C21B 724
Patent
active
049767801
ABSTRACT:
Inference is carried out through intermediate hypotheses representing physical states of a blast furnace using HG (Heuristic Grade) in order to comprehensively diagnose the state of the furnace to ascertain optimum actions. Specific parameters are monitored to immediately recognize a transition of conditions inside the furnace to additionally execute the inference. Various types of actions such as defensive actions and offensive actions are covered in this inference. A burden distribution estimation model considering collapse of a coke bed is used for calculating distribution inside the furnace to aid in deciding on an optimum action when an action to alter distribution in the furnace is required as the result of the inference. Creation and alteration of a knowledge base for the inference are carried out without interrupting the inference.
REFERENCES:
patent: 4857106 (1989-08-01), Wakimoto et al.
Kamisaka et al., Development of Distribution Estimation Model Considering Collapse of Coke Bed, Tetsu to Hagane, 70 (1984), S47.
Yui et al., Application of Knowledge System in Aiding Operation Monitoring of Blast Furnace Process, Keisoku to Seigyo, vol. 26, No. 8 (1987), 62.
Amano Shigeru
Nakamori Takashi
Oda Hiroshi
Taira Masamichi
Takarabe Tsuyoshi
Andrews Melvyn J.
Nippon Steel Corporation
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