METHOD FOR PRODUCING HIGH STRENGTH COKE

• Main Authors: FUKADA KIYOSHI, ANYASHIKI TAKASHI, SHIMOYAMA IZUMI, NODA TAKESHI, YAMAMOTO TETSUYA, FUJIMOTO HIDEKAZU, SUMI HIROYUKI
• Format: Patent
• Language: English
• Published: 12.06.2008
• 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

PROBLEM TO BE SOLVED: To provide a method for producing high strength coke, by which the coke having a high cold strength and a high post reaction strength can be produced by crushing coal in proper conditions. SOLUTION: This method for producing the coke comprises crushing coal particles high in the presence rate of inorganic ingredients so that the crushed particle sizes of the coal particles high in the presence rate of inorganic ingredients are smaller than those of coal particles low in the presence rate of inorganic ingredients, mixing both the coal particles, and then charging the mixture into a coke oven to carbonize the mixture. The method for producing the coke preferably comprises treating coal (X) 10 high in the content of coal particles high in the presence rate of inorganic ingredients and coal (Y) 13 low in the content of coal particles high in the presence rate of inorganic ingredients in a classification process 11 for classifying at least one part of 10 into coal having large particle diameters and coal having small particle diameters, the first crushing process 12 for crushing coal having large particle diameters, and the second crushing process 14 for mixing the coal treated in 12, the coal having small particle diameters, the residue of the coal (X) and the coal (Y) 13, and then charging the treated product into a coke oven. COPYRIGHT: (C)2008,JPO&INPIT