Abstract:

There were challenges and opportunities for the lime industry in the year of 2018,and vigorously transformation and upgrading were carried out in this year,all kinds of gas-fired lime kilns have been greatly developed,among them the advantages of the kilns which fired with high calorific value gas were well known to all. This paper discusses the technologies of all kinds of gas-fired kiln,the recent trend of expending to low calorific value gas,and the problems involved in the reduction of the heat value of the gas.