煤层气利用安全保障技术基础理论研究

项目名称： 煤层气利用安全保障技术基础理论研究

项目编号： No.51274238

项目类型： 面上项目

立项/批准年度： 2013

项目学科： 矿业工程

项目作者： 张延松

作者单位： 中煤科工集团重庆研究院

项目金额： 85万元

中文摘要： 煤层气是一种洁净的能源，近年来，煤层气的开发和利用引起了国家的高度重视。但目前低浓度煤层气的开发利用并未得到广泛推广，其制约瓶颈在于安全问题。煤层气主要成分为甲烷，甲烷爆炸极限不是固定不变的，它受到许多因素的影响，如环境压力、环境温度、点火能量等。在煤层气的开发、利用过程中，由于工艺条件改变了甲烷的环境压力、环境温度等，使得此过程中的甲烷可能处于爆炸极限范围内，具有爆炸危险性。因此，本课题拟从理论分析、实验研究以及数值模拟研究三个方面对煤层气利用安全保障技术基础理论进行研究，主要针对不同环境条件对甲烷的爆炸特性及规律进行深入研究，在此基础上提出煤层气利用各工艺过程的安全保障技术及措施，为煤层气利用过程中的安全保障技术提供理论支撑。

中文关键词： 甲烷爆炸；爆炸特性；环境温度；环境压力；点火能量

英文摘要： Coal bed methane (Coal Bed Methane (CBM)) is a kind of clean energy . In recent years , our country attaches great importance to the exploitation and utilization of coalbed methane .But so far the exploitation and utilization of low concentration coalbed methane have not widely generalize , bottleneck restrictions of which is safety problems . Methane is the main components of coalbed methane , the explosion limit of which is not changeless ,affecting by many factors , such as environmental pressures, environmental temperature and ignition energy , etc . technological conditions change the methane's environmental pressures, environmental temperature, etc during the process of the coalbed methane's exploitation and utilization . consequently, in this process , methane may be within the range of explosion limit and have explosion risk . Therefore this project will research on the basic theory of safety control technology in CBM's utilization from three aspects including theoretical analysis , experimental research and numerical simulation . An insensive study will be made of methane's explosive characteristics and changing regularity in different environmental conditions . On that basis , safety control technology and measures will be put forward of each technological process of CBM's utilization , providing theor

英文关键词： methane explosion；chracteristics explosion；environmental temperature；environmental pressure；environmental energy