低浓度瓦斯氧化后冷热电联供方法

为了提高我国低浓度抽采瓦斯和乏风瓦斯的利用率，提出一种将低浓度瓦斯氧化并利用余热进行冷热电联供方法。该方法利用热逆流氧化技术实现对低浓度瓦斯高效氧化，抽取部分高温烟气生产高品位的蒸汽推动汽轮机发电，同时可从汽轮机抽取低压蒸汽，一部分用于供暖，一部分用于溴化锂吸收式制冷机制冷。分析表明，该方法实现了对低浓度瓦斯的有效氧化，减少了温室气体排放，并对余热实现了梯级利用，大大提高了系统的热能利用率，具有良好的推广应用价值。

A combined cooling heating and power technology applied in low-concentration mine gas oxidization utilization

To improve the utilization ratio of low-concentration mine gas and ventilation air methane（VAM），a combined cooling heating and power technology（CCHP） applied in low-concentration mine gas oxidization utilization was present in this paper. The method can oxidate mine gas efficiently by using thermal reverse-flow reactor，and extract part of high temperature gas to produce steam，drive turbine，and refrigerate. This technology can oxidize low-concentration gas efficiently，and achieves energy cascade utilization. The technology is worthy of popularization and application.