In recent years,China's methane emissions have been increasing,and among all kinds of methane emis-sion sources,the coal mine industry accounts for the highest proportion of gas emissions.If air exhaust gas can be effectively used,it can not only reduce pollution but also bring huge energy benefits,among which low-concen-tration gas accounts for a relatively high proportion and is difficult to use.It is of great significance to compare and analyze low-concentration gas treatment technology.Firstly,this paper analyzes the present situation of low concentration gas utilization in China,and the principle and characteristics of low concentration gas utilization technologies such as reheating oxidation and enrichment are discussed.After analyzing and comparing energy consumption,safety and operating conditions,it is found that regenerative oxidation technology has many advan-tages.Finally,it is concluded that the rto device is better to replace the traditional two-chamber heat storage,and the orthogonal experiment scheme is designed according to the key parameters,so as to provide a reference for the industry to choose gas treatment technology.
gas utilizationheat storage oxidationgas concentrationR-RTO
NETL
NSTL
万方数据
