Experimental study on MSW gasification and melting technology

作     者：XIAO Gang JIN Bao-sheng ZHONG Zhao-ping CHI Yong NI Ming-jiang CEN Ke-fa XIAO Rui HUANG Ya-ji HUANG He 

作者机构：Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education School of Energy and Environment Southeast University Nanjing 210096 China State Key Laboratory of Clean Energy Utilization Zhejiang University Hangzhou 310027 China College of Life Science and Pharmaceutical Engineering Nanjing University of Technology Nanjing 210009 China 

出 版 物：《Journal of Environmental Sciences》 (环境科学学报（英文版）)

年 卷 期：2007年第19卷第11期

页      面：1398-1403页

核心收录：

学科分类：083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 08[工学] 

基　　金：Project supported by the Open Foundation of State Key Laboratory of Clean Energy Utilization of China(No.ZJUCEU2006004) Hi-Tech Research and Development Program(863)of China(No.2006AA020101) National Basic Research Program(973)of China(No.2005CB221202,2007CB210208) 

主　　题：municipal solid waste (MSW) fluidized-bed gasification swirl-melting characteristics 

摘      要：In order to develop municipal solid waste （MSW） gasification and melting technology, two preliminary experiments and a principle integrated experiment were fulfilled respectively. The gasification characteristics of MSW were studied at 500-750℃ when equivalence ratio （ER） was 0.2--0.5 using a fluidized-bed gasifier. When temperature was 550-700℃ and ER was 0.2--0.4, low heat value （LHV） of syngas reaches 4000-12000 kJ/Nm^3. The melting characteristics of fly ash were investigated at 1100-1460℃ using a fixed-bed furnace. It was proved that over 99.9% of dioxins could be decomposed and most heavy-metals could be solidified when temperature was 1100-1300℃. The principle integrated experiment was carried out in a fluidized-bed gasification and swirl-melting system. MSW was gasified etticiently at 550-650℃, swirl-melting furnace maintains at 1200-1300℃ stably and over 95% of fly ash could be caught by the swirl-melting furnace. The results provided much practical experience and basic data to develop MSW gasification and melting technology.