Adoption of Encoder with PLC based System for Stock Level Indication and Control of Blast Furnace
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Abstract
This paper represents the design of a model based on Encoder and PLC to control the stock level (SL) indication system of a Blast Furnace. In blast furnace the screened raw material is taken in and stored at upper level and simultaneously hot metal production is taking place at its lower level. To know the storage level (range) of raw material in the blast furnace stock level indicators are used. The Cam-limit switches of Drive system consist of levels to indicate ranges in blast furnace. As cam-limit switches are old and inaccurate in operation they are replaced by the advance technology equipments encoder and PLC.
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References
A.J. Crispin, Programmable Logic Controllers and their Engineering Applications. New York: McGrawHill
J.D.Otter, Programmable Logic Controllers; Operarion, Interfacing and Programming. Englewood Cliffs, NJ: Prentice-Hall, pp. 75-77, 1988.
Encoder information collected by bhisma_koirala@indiatimes.com
Steel Authority of India and Visevesvarya Iron and Steel Limited information by VISL Plant and www.sailindia.com,www.visl.com
Book: Gupta S. S., and Chatterjee A., “Blast Furnace Iron Making”, SBA Publication.
Book: Tupkary R. H., and Tupkary V. R., “An introduction to modern Iron Making”,Khanna Publication.