Preparation method of carbon-iron composite furnace charge

• Main Authors: WANG YUMING, QIAN HUI, HU DESHENG
• Format: Patent
• Language: Chinese; English
• Published: 04.04.2023
• Subjects: CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; MANUFACTURE OF IRON OR STEEL; METALLURGY; METALLURGY OF IRON; PRETREATMENT OF RAW MATERIALS; PRODUCTION AND REFINING OF METALS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The invention discloses a preparation method of a carbon-iron composite furnace burden, which comprises the following steps: uniformly mixing steel rolling scraps and waste coke powder, adding a binder, carrying out cold press molding, and carbonizing to prepare the carbon-iron composite furnace burden. While the waste steel rolling chippings and the waste coke powder are consumed, the problem of shortage of coking coal resources caused by mass use of the coking coal resources is partially relieved, high-value utilization of the steel rolling chippings is achieved, a new appropriate raw material is found for preparing the carbon-iron composite furnace burden, the carbon-iron composite furnace burden is applied to blast furnace production, and the production cost is reduced. The coal gas utilization rate is increased, generation of CO reducing gas is promoted, the molten iron yield can be partially increased, CO2 emission in the coking and ironmaking process is reduced, the coke consumption proportion of a bla