Feasibility test for the utilization of BOF into cement kiln
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概要
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To reuse sludge discharged from waste oil purification process and sawdust as an alternative fuel used for cement kiln, some feasibility tests such as manufacturing parameters, thermal characteristics, and storage and transport characteristics of BOF, were carried out in this study. In BOF manufacturing process press type was more effective than extending type. As the mixing ratio of oil sludge was increased, the heating value of BOF was increased and it was over 5,500kcal/kg for oil sludge's mixing ratio of 60%. The pyrolysis of sawdust was occurred in 2 steps, but the pattern was changed to one step as the mixing ratio of oil sludge was increased and the main reaction was between 300 and 400°C. Theoretical terminal velocity of single BOF pellet was calculated to 5.0∼7.2m/s, but the actual value of the pellets was measured to 9.0∼13.0m/s and a pneumatic transport system could be economically applied for feeding BOF into cement kiln.
- 一般社団法人 廃棄物資源循環学会の論文
一般社団法人 廃棄物資源循環学会 | 論文
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