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| AN INVESTIGATION OF "FIXING-SULPHUR" COKE APPLIED IN IRONMAKING |
| Res. Gp. of "Fixing-Sulphur" Coke |
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Cite this article:
Res. Gp. of "Fixing-Sulphur" Coke. AN INVESTIGATION OF "FIXING-SULPHUR" COKE APPLIED IN IRONMAKING. Acta Metall Sin, 1977, 13(3): 169-174.
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Abstract A high-sulphur-containing coking coal was mixed with alkaline material in order to"fix" its certain amount of sulphur after coking, such coke has been called the "fixing-sulphur" coke. This and another "high-sulphur" coke made from same coal were sepa-rately used in ironmaking under similar conditions for comparison. It was found thatthe "fixing-sulphur" coke showed better properties in ironmaking than the high-sulphurcoke in terms of all technological and economical indices. With "fixing-sulphur" coke,the contamination of sulphur was much less serious, 90％ of pig iron to be casting pro-duced up to the recognized standard. Samples of coke, ore, flux, molten iron and slag were taken from different positionsof blast furnace for sulphur analysis, a diagram of sulphur variation along longitudinaldirection of blast furnace was plotted. Such a diagram may help to control blast furnaceoperation from the point of view of sulphur elimination, although much further investi-gation will be needed in this direction.
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Received: 18 March 1977
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