20～65℃ における粉炭の酸化発熱量測定
常温付近における石炭の自然発火発生機構に関する研究 (第1報)
1973 年 89 巻 1025 号 p. 455-460
詳細
1973 年 89 巻 1025 号 p. 455-460
It is known that spontaneous combustion of coal occurs usually at 30°C-40°C. But the temperatures considered in the past investigations have been almost restricted to higher ranges than mentioned above.
On the base of the hypothesis that the cause of spontaneous combustion of coal is the accumulation of heat produced by its oxidation, the author measured thermal conductivity and rate of heat generation of fine coal (-48mesh) at various temperatures in the range of 20°C-65°C
Relationships between temperature and rate of heat generation could be expressed by means of the Arrheniuse's formula.
