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AN INDUSTRIAL EXPERIMENT ON INJECTION OF BITUMINOUS COAL WITH HIGH MIXING RATIO INTO BLAST FURNACE AT PZH STEEL

Pzh Steel

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Abstract

Injection of pulverized coal equipments have been reformed, the safe device has been improved, and optimization of technology system of rubbing coal and injection of pulverized coal has been achieved. Meagre coal detonation under different conditions has been measured and the industrial experiment on injection of bituminous coal with high mixing ratio into blast furnace has been carried out at PZH steel. Increment of mixing ratio of meagre coal from 35% to 50% results in blast furnace fuel ratio to be reduced by 5.1kg/tp and replacement of coke with coal in a ratio of 0.834. Safe rubbing coal and injection of pulverized coal has been achieved.

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What this paper is about

Injection of pulverized coal equipments have been reformed, the safe device has been improved, and optimization of technology system of rubbing coal and injection of pulverized coal has been achieved. Meagre coal detonation under different conditions has been measured and the industrial experiment on injection of bituminous coal with high mixing ratio into blast furnace has been carried out at PZH steel. Increment of mixing ratio of meagre coal from 35% to 50% results in blast furnace fuel ratio to be reduced by 5.1kg/tp and replacement of coke with coal in a ratio of 0.834. Safe rubbing coal and injection of pulverized coal has been achieved.

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Available abstract

Injection of pulverized coal equipments have been reformed, the safe device has been improved, and optimization of technology system of rubbing coal and injection of pulverized coal has been achieved. Meagre coal detonation under different conditions has been measured and the industrial experiment on injection of bituminous coal with high mixing ratio into blast furnace has been carried out at PZH steel. Increment of mixing ratio of meagre coal from 35% to 50% results in blast furnace fuel ratio to be reduced by 5.1kg/tp and replacement of coke with coal in a ratio of 0.834. Safe rubbing coal and injection of pulverized coal has been achieved.

Key concepts: Pulverized coal-fired boiler, Blast furnace, Coal, Bituminous coal, Coke, Mixing (physics), Metallurgy, Waste management

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AN INDUSTRIAL EXPERIMENT ON INJECTION OF BITUMINOUS COAL WITH HIGH MIXING RATIO INTO BLAST FURNACE AT PZH STEEL — Research Paper | ScholarLens