METHOD FOR MANUFACTURING BLAST FURNACE COKE AND BLAST FURNACE COKE

• Main Authors: HAMAGUCHI MAKI, ISHIDA KAZUHIDE, NISHIBATA YUKO, WADA SHOHEI, SHISHIDO TAKAHIRO
• Format: Patent
• Language: English; Korean
• Published: 20.12.2016
• Subjects: CHEMISTRY; DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS; FUELS; LUBRICANTS; METALLURGY; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE

본 발명의 고로용 코크스의 제조 방법은, 석탄의 용제 추출 처리에 의해 얻어지는 무회탄을 석탄에 배합하는 공정, 및 상기 배합탄을 건류하는 공정을 구비하는 고로용 코크스의 제조 방법이며, 상기 배합 공정에 있어서의 상기 무회탄의 배합량을 3질량％ 이상, 또한 배합탄의 팽창률을 20％ 이하로 한다. This method for manufacturing blast furnace coke is provided with a step for blending, with coal, ashless coal obtained by solvent extraction processing of coal, and a step for carbonizing the blended coal, the blended amount of the ashless coal in the blending step being 3% by mass or greater, and the expansion coefficient of the blended coal being 20% or lower.