The characteristics of two energy conservation coal gas production technologies that can completely eliminate pollution and the sixth generation TGS gas calorific lime vertical kiln are systematically described,and the main technical and economic indexes of the kiln type and the market promotion and application are introduced.The newly built and put into operation of the 2×600 t/d lime kiln production line of Hunan Liangang Metallurgical Materials Technology Co.,Ltd. is the latest result of the successful application of the sixth generation TGS gas burning lime kiln technology,and is currently the first 600 t/d gas burning lime kiln using pure blast furnace gas in China.After it was put into operation,the operating conditions were good.In the short term,it has achieved the full production standard and the environmental protection has reached the ultra-low emission standard,which provides a good choice for upgrading the coal mixed lime kiln.

"> TGS gas burning lime kiln, Blast furnace gas, Energy conservation and environmental protection