Possibility of combustible gas production from municipal solid waste （MSW） using hot blast furnace （BF） slag has been studied.The objective of this work is to generate combustible gas from MSW using heated BF slag...Possibility of combustible gas production from municipal solid waste （MSW） using hot blast furnace （BF） slag has been studied.The objective of this work is to generate combustible gas from MSW using heated BF slag.In this experiment,the thermal stability of the MSW was analyzed by thermogravimetric analysis,and effects of temperature,gasifying agent （air,N2,steam） and BF slag on the gas products were investigated at 600？900 ？C.The thermogravimetric analysis indicates that the weight loss of MSW includes four stages：evaporation of the moisture,combustion of volatile materials,burning of carbon residue and burnout of ash.The contents of the combustible gas increase with increasing temperature,and the lower calorific value （LCV） increases rapidly at 600？900 ？C.It is found that volume fraction of CO,H2 and CH4 at different atmospheres increases in the order N2〈air〈steam.It is believed that BF slag acts as the catalyst and the heat carrier,which promotes the gasification reactivity of MSW.展开更多
论述了高炉煤气余压回收透平装置TRT(Top Gas Pressure Recovery Turbine)的工作特点和工艺流程,针对TRT控制工艺及其发展方向进行了分析,采用单回路PID控制TRT升速;采用新型复合控制方式,将功率和顶压调节更好的结合起来,最终实现并网...论述了高炉煤气余压回收透平装置TRT(Top Gas Pressure Recovery Turbine)的工作特点和工艺流程,针对TRT控制工艺及其发展方向进行了分析,采用单回路PID控制TRT升速;采用新型复合控制方式,将功率和顶压调节更好的结合起来,最终实现并网后单纯顶压调节,并在顶压调节过程中自然实现功率升高的控制效果。增加旁通阀顶压调节功能和故障切换功能后,提高了机组的保护安全性,实现全功率发电运行。展开更多
基金supported by the Applied Basic Research Key Project of Yunnan Province (No.2007E0014Z)
文摘Possibility of combustible gas production from municipal solid waste （MSW） using hot blast furnace （BF） slag has been studied.The objective of this work is to generate combustible gas from MSW using heated BF slag.In this experiment,the thermal stability of the MSW was analyzed by thermogravimetric analysis,and effects of temperature,gasifying agent （air,N2,steam） and BF slag on the gas products were investigated at 600？900 ？C.The thermogravimetric analysis indicates that the weight loss of MSW includes four stages：evaporation of the moisture,combustion of volatile materials,burning of carbon residue and burnout of ash.The contents of the combustible gas increase with increasing temperature,and the lower calorific value （LCV） increases rapidly at 600？900 ？C.It is found that volume fraction of CO,H2 and CH4 at different atmospheres increases in the order N2〈air〈steam.It is believed that BF slag acts as the catalyst and the heat carrier,which promotes the gasification reactivity of MSW.
文摘论述了高炉煤气余压回收透平装置TRT(Top Gas Pressure Recovery Turbine)的工作特点和工艺流程,针对TRT控制工艺及其发展方向进行了分析,采用单回路PID控制TRT升速;采用新型复合控制方式,将功率和顶压调节更好的结合起来,最终实现并网后单纯顶压调节,并在顶压调节过程中自然实现功率升高的控制效果。增加旁通阀顶压调节功能和故障切换功能后,提高了机组的保护安全性,实现全功率发电运行。
