300 MW循环流化床锅炉掺烧高水分污泥试验研究  

Experimental Study on Mixing High Moisture Sludge in 3ooMW CFB Boiler

作　　者：张杨鑫 黄中[2] 韩志刚 张国庆 陈嘉霖 张飞 刘磊 段国海 苑鹏 武琪 ZHANG Yang-xin;HUANG Zhong;HAN Zhi-gang;无(Shanxi Research Institute for Clean Energy Tsinghua University;Key Laboratory for Thermal Science and Power Engineering of Ministry of Education,Department of Energy and Power Engineering,Tsinghua University;Yunnan Province Energy Investment Group Co.,Ltd.,4.Yunnan Energy Investment Honghe Power Generation Co.,Ltd.)

机构地区：[1]清华大学山西清洁能源研究院,山西太原030032 [2]清华大学能源与动力工程系、热科学与动力工程教育部重点实验室 [3]云南省能源投资集团有限公司 [4]云南能投红河发电有限公司

出　　处：《电站系统工程》2023年第4期1-5,共5页Power System Engineering

基　　金：国家重点研发计划项目(2020YFB0606303)资助。

摘　　要：依托某300 MW循环流化床锅炉开展了高水分污泥掺烧试验,通过对入炉煤、污泥、飞灰、底渣和烟气等样品的测试分析,掌握了掺烧高水分污泥对锅炉运行的影响规律。结果显示,掺烧1%、3%、5%高水分污泥后锅炉运行稳定,炉内温度场分布、飞灰及底渣可燃物含量变化较小,灰渣中重金属及有害物含量均低于国家相关标准要求,烟气NO_(x)、SO_(2)和粉尘排放浓度符合国家及地方排放标准要求,汽水侧参数基本无变化,风机电耗无明显增加,当污泥掺烧比为5%时,锅炉热效率为90.57%。循环流化床锅炉可以直接掺烧高水分污泥,环境效益和社会效益显著,应用前景广阔。The mixed combustion experiments of high moisture sludge was carried out on a 300 MW circulating fluidized bed boiler.Through the experiments and analysis of coal,sludge,fly ash,bottom slag and flue gas,the influence of blending high moisture sludge on boiler operation was mastered.The results showed that the boiler operated stably after mixing and burning 1%,3%and 5%high moisture sludge and the temperature field in the furnace and the content of combustibles in fly ash and bottom slag changed less.The content of heavy metals and harmful substances in the ash and slag was lower than the requirements of relevant national standards.The emission concentration of NO_(x),SO_(2) and dust in the flue gas satisfied requirements of national and local emission standards.The steam water side parameters were basically unchanged and the power consumption of the fan was not significantly increased.When the sludge mixing and burning ratio was 5%,the thermal efficiency of the boiler was 90.57%.Circulating fluidized bed boiler can directly burn high moisture sludge,which has significant environmental and social benefits and broad application prospects.

关 键 词：循环流化床锅炉 高水分污泥 掺烧 测试 试验研究 

分 类 号：TK16[动力工程及工程热物理—热能工程]