CWM (石炭・水スラリー) 燃料の燃焼機構と燃焼性促進

概要

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The combustion behavior of coal-water mixture (CWM) droplets was observed in the electric furnace, where the measurement of droplet temperature, video recording and high-speed photography were carried out at sequential steps of the combustion process. The effects of furnace temperature, slurry concentration and oxygen concentration were examined in order to elucidate the combustion mechanism of CWM droplets. The results indicate that they are influenced considerably at each step of the combustion process such as vaporization, ignition, visible envelope flame combustion and char combustion. The effects of the addition of C-heavy oil, A-heavy oil, methanol and kerosene were examined in order to elucidate the feasibility and the mechanism of microexplosion of CWM droplets. The results show that the explosion makes fairly short both ignition delay time and total combustion time in the fuel of C-heavy oil in addition to the CWM.
社団法人日本機械学会の論文
1992-04-25