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  • Mathematical description of the coke furnace's heat technology with emphasis on the interaction between the system components "coke chamber" and "coke furnace flue"


In the framework of this research project the models "heat conduction in the charge" and "heat conduction in the liner brick" are coupled. The temperature at the liner wall, which can be measured, is chosen as the boundary condition. Alternatively, the heat flow can be chosen as the boundary condition. Numerous parameter variations were carried out, to simulate heat transfer through the liner wall and to investigate the influence of charge parameters on the heating of the coal. The dominant influencing factor on the progress of carbonisation is the flue temperature, combined with the heat conductivity and the thickness of the liner bricks. The influence of the bulk density is also considerable. All the other investigated parameters are, in comparison, less significant. The interaction of all influencing factors on the carbonisation of a real charge was simulated. The simulations indicated ways of lowering the temperature level in the flue, by using liner bricks of high heat conductivity, and thus reducing the emission of NO(x). The specific heat consumption is not influenced by the use of such bricks, because the waste gas temperatures have to be held above a certain limit and because of the substantial heat recovery in the regenerator.

Additional information

Authors: HUHN F, DMT Gesellschaft für Forschung und Prüfung mbH, Bochum (DE);EISENHUT W, DMT Gesellschaft für Forschung und Prüfung mbH, Bochum (DE)
Bibliographic Reference: EUR 14078 DE (1992) 71 pp., MF, ECU 4, blow-up copy ECU 12
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