The Study On Utillization Strategy And Synthetical Evaluation Of Coal Mining Methane

The energy structure of rich coal, less oil and gas determines the dominant of coal in the development of national economy in China, which will not change for a long time. With the comparision about thousands of death due to coal mining methane (CMM) accidents and the huge reserves of CMM resources equivalent to natural gas, enterprises must be not to explore coal until CMM extraction below standard, and limit emission of CMM concentrations above 30%, and the extraction of enterprises would be get tax preferential policies. At present, with numerous CMM utilization technologies, the most suitable technology for enterprises isn't decided easily, without system cognition on applicability, economy, sociality about various techniques. What's more, government is eager to know how to promote industrialization of CMM, how to layout of technology, how to formulate appropriate incentive policy, which is promptly needed about CMM evaluation methods and evaluation technology tools considering China's coal mine area characters.This paper was emphatically studied around CMM utilization countermeasures and technologies. In research and analysis of CMM by using technology strategy, CMM technical application status and comprehensive evaluation method, CMM technical evaluation system and model was structured through four aspects on technology, economy, environment and sociality. Relying on the evaluation methods, the CMM power generation technology as keynote was evaluated as well as scenario analysis on the the effection of different policies, CDM mechanism and technological change.According to the different concentrations of CMM power technology comprehensive evaluation results show:Under the background that don't consider policy and the CDM mechanism in CMM comprehensive evaluation, economic benefit of high CMM concentration match basically the benchmark rate IRR, and that of low CMM concentration and extremely low CMM concentration is far below the benchmark rate IRR, with poor economic returns; Under the background that consider different policy support and the CDM mechanism of different concentrations of CMM, economic benefit will have different degrees of improvement.This paper was studied based on the strategy research of CMM industrialization, which is the part of the major national science and technology called special big oil-gas CBM development.