100 MW机组锅炉油页岩掺烧准东煤试验Experiments about co-firing shale with Zhundong coal in a 100 MW unit boiler
赵冰,王嘉瑞,王鹏辉,陈凡敏,秦岭,李小江,宋文奇
摘要(Abstract):
我国淮东煤和油页岩储量丰富,但在燃用淮东煤和开发油页岩时均遇到阻碍,二者互补掺烧有望取得良好效果。对此,在100 MW机组上进行了油页岩掺烧准东煤的试验研究,从燃料特性、煤粉细度及均匀性、烟气温度变化、炉内沾污结渣情况、热损失与热效率等方面对系统掺烧后锅炉的安全性和稳定性进行了评估。结果表明:掺烧油页岩并大幅提高准东煤燃用比例后,煤粉颗粒细度稍有增大,均匀性变差;排烟温度呈波动性降低趋势,炉内沾污和结渣情况不明显,飞灰可燃物质量分数大幅降低,锅炉热效率最大提高约1%。
关键词(KeyWords): 锅炉;油页岩;准东煤;掺烧;沾污;结渣;热效率;安全性
基金项目(Foundation): 新疆维吾尔自治区科技支撑项目(2016B02026-2);; 国家科技部国际科技合作项目(2013DFG61490)~~
作者(Author): 赵冰,王嘉瑞,王鹏辉,陈凡敏,秦岭,李小江,宋文奇
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