COKE OVEN CARBONIZATION CHAMBER FURNACE WALL STATE EVALUATING METHOD

• Main Authors: ASADA SHINGO, OTA KOHEI, NISHIHATA HIROKO
• Format: Patent
• Language: English
• Published: 25.11.2010
• 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 coke oven carbonization chamber furnace wall state evaluating method by which extrusion resistance causing extrusion trouble is suitably grasped and a furnace wall state after operation of empty kiln can be easily evaluated. SOLUTION: The coke oven carbonization chamber furnace wall state evaluating method by which a furnace wall state of a coke oven carbonization chamber is evaluated includes steps for: measuring extrusion power values Pnto extrusion frequencies n after operation of empty kiln of a carbonization chamber 1; performing classification into a decreasing interval where extrusion power values Pnare decreased with increase of extrusion frequencies n and an increasing interval where extrusion power values Pnare increased with increase of extrusion frequencies n after the decreasing interval; calculating a furnace wall state value ADand an extrusion power decreasing index knof the following approximation formula (1) using the extrusion frequencies n and the extrusion power values Pnin the decreasing interval; and evaluating the furnace wall state by using the calculated furnace wall state value AD. Pn=AD×EXP(-kn×n) (1). COPYRIGHT: (C)2011,JPO&INPIT