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98/04115 Development and use of refractory material in pressurized gasifier for coal-water slurry


Publisher
Elsevier Science
Year
1998
Weight
195 KB
Volume
39
Category
Article
ISSN
0140-6701

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✦ Synopsis


An annular chamber provided with local ore feed and discharge as well as peripheral burners and a gas-transfer system is included in the rotaryhearth furnace for ore treatment.

The CO-rich atmosphere from coal combustion is applied for the reduction of the ore and recirculated in the furnace for secondary combustion with heat recovery and decreased pollution in discharge.

98/04111

Smelting process with direct reduction of iron ore for manufacture of cast iron melt in two-chamber vertical furnace