Thermal history estimation method of coal or coke

摘要

PROBLEM TO BE SOLVED: To provide a thermal history estimation method for solving the problem of estimating a temperature history of coal or coke in a furnace, and simply estimating a relatively low-temperature thermal history of less than 600°C in a short time.;SOLUTION: In an inventive thermal history estimation method for coal or coke, the highest arrival temperature in a thermal history of coal or coke is estimated by an R-value which is a ratio of the intensity of a D band peak to that of a G band peak of spectrum obtained from Raman spectroscopy, or by an intensity value of the baseline or an inclination of the baseline of the spectrum. The highest arrival temperature is preferably estimated within a range more than or equal to 300°C and less than 600°C.;COPYRIGHT: (C)2012,JPO&INPIT