粗悪炭の燃焼に関する研究(第2報) : 鎖床給炭機と微粉炭を併用する場合の実験報告

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This paper is the report of experiments for the combustion test of Babcock-Wilcox boiler with chain grate firing combined with pulverized coal supply. The experiments were made under various ratio of fuel supply and rate of combustion. The fuel used for fire grate is lignite and that for pulverized coal is UBE coal. The conclusion is as follows : The efficiency of combustion depends upon the rate of combustion, ratio of fuel supply and excess air factor is 80〜85%. The reasonable value of rate of combustion is about 65〜70 kg/m^2h and that of excess air factor is 1・3〜1・4. The efficiency of boiler depends upon the rate of load of combustion chamber and ratio of fuel supply and for the rate of combustion of 300,000 kcal/m^3h, its value are about 62%, 70% and 73% for 2/1,1/1 and 1/3 of ratio of fuel supply respectively.
一般社団法人日本機械学会の論文