Development of the process management system of coke-oven batteries at Raahe Steel Works
- Rautaruukki Oy, Raahe (Finland). Raahe Steel Works
The latest stage of development of the process management system in the coke plant at the Raahe Steel works is presented. The operation environment has been updated twice since commissioning (Oct. 18, 1987). When the second battery was put into operation (Nov. 28, 1992), the process computer was also changed to a model with a larger capacity. The process automation system is the same as at the start of coke production (Damatic by Valmet). Only the necessary enlargements were made when doubling coke production. The heating control system of the coke-oven batteries has been under strong development during the existence of the coke plant. The first generation system was a statistical heating model (1987--1991). The principle of the second generation heating model is based, on the one hand, on the energy balance calculated from measured energy supply, amount of coal charged and coking time data and, on the other, on the estimated coke temperature as a function of coking index. The reliability and regularity of coke production has been developed using the dynamic oven scheduling system.
- OSTI ID:
- 6920194
- Report Number(s):
- CONF-9409223-; CODEN: IRSEA5
- Journal Information:
- Iron and Steel Engineer; (United States), Vol. 71:9; Conference: 1994 Association of Iron and Steel Engineers (AISE) annual convention, Cleveland, OH (United States), 19-21 Sep 1994; ISSN 0021-1559
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
COKE OVENS
COMPUTERIZED CONTROL SYSTEMS
PROCESS CONTROL
COAL
COKING
COKING PLANTS
PROCESS COMPUTERS
CARBONACEOUS MATERIALS
CARBONIZATION
CHEMICAL REACTIONS
COMPUTERS
CONTROL
CONTROL SYSTEMS
DECOMPOSITION
ENERGY SOURCES
FOSSIL FUELS
FUELS
INDUSTRIAL PLANTS
MATERIALS
ON-LINE CONTROL SYSTEMS
ON-LINE SYSTEMS
010409* - Coal
Lignite
& Peat- Pyrolysis & Carbonization- (1987-)