Coal briquettes for smelting reduction process, and method for manufacturing the same

• Main Authors: RYOU JIN-HO, JIN YOUNG-JOO, LEE JUN-HYUK, LEE DAL-HOI, KUNG WON NAM, CHO MIN-YOUNG, KIM JANG-SOO, LEE JONG-YEOL
• Format: Patent
• Language: English
• Published: 16.03.2005
• Edition: 7
• Subjects: ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; CHEMISTRY; FIRELIGHTERS; FUELS; FUELS NOT OTHERWISE PROVIDED FOR; LIQUEFIED PETROLEUM GAS; LUBRICANTS; METALLURGY; NATURAL GAS; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K; TECHNICAL GASES CONTAINING CARBON MONOXIDE

Disclosed herein are a coal briquette for a smelting reduction process in which coal and iron ore are charged into a smelting furnace to produce a molten iron, and a method for manufacturing the coal briquette. The coal briquette comprises 50 % by weight or less of at least one of sludge and dust and the balance of fine coal, as major components, the sludge and the dust including iron (Fe) or iron compounds, carbon (C), Ca compounds and Mg compounds, and 5 &tilde& 20 parts by weight of a binder, based on 100 parts by weight of the major components.