Effect of carbonisation time at stamp charged battery on properties of blast furnace coke

Coke quality depends on the characteristics of the input coal blend and the operating parameters. Very conclusive documentation on the influence of coal blend characteristics and coke mass temperature are available, however, the influence of carbonisation time/slower carbonisation has not been addre...

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Veröffentlicht in:Ironmaking & steelmaking 2004-02, Vol.31 (1), p.15-22
Hauptverfasser: Yadav, U.S., Sharma, R., Dash, P.S., Guha, M., Deshpande, D.P.
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container_issue 1
container_start_page 15
container_title Ironmaking & steelmaking
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creator Yadav, U.S.
Sharma, R.
Dash, P.S.
Guha, M.
Deshpande, D.P.
description Coke quality depends on the characteristics of the input coal blend and the operating parameters. Very conclusive documentation on the influence of coal blend characteristics and coke mass temperature are available, however, the influence of carbonisation time/slower carbonisation has not been addressed adequately. Experimentation at the stamp charged battery of Tata Steel reveals that increased carbonisation time results in closely sized coke with improved mean size. The coke carbon undergoes significant textural changes. The isotropic carbon content decreases, the amount of coarse and fine mosaic texture increases and the pore diameter decreases. The high temperature properties, coke reactivity index (CRI) and coke strength after reaction (CSR), are improved with longer carbonisation times.
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Very conclusive documentation on the influence of coal blend characteristics and coke mass temperature are available, however, the influence of carbonisation time/slower carbonisation has not been addressed adequately. Experimentation at the stamp charged battery of Tata Steel reveals that increased carbonisation time results in closely sized coke with improved mean size. The coke carbon undergoes significant textural changes. The isotropic carbon content decreases, the amount of coarse and fine mosaic texture increases and the pore diameter decreases. 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source SAGE Complete
subjects Applied sciences
Batteries
BLAST FURNACE COKE
Carbon
Coal
Coke
Exact sciences and technology
Furnaces
Heat
High temperature
Mechanical properties
Metals. Metallurgy
Ovens & stoves
Permeability
Production of metals
PROPERTIES
Quality
Steel
Studies
Sulfur
title Effect of carbonisation time at stamp charged battery on properties of blast furnace coke
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