煤矿瓦斯发电，既可以有效地解决煤矿瓦斯事故、改善煤矿安全生产条件，又有利于增加洁净能源供应、减少温室气体排放，达到保护生命、保护资源、保护环境的多重目标。安徽煤矿案例

　　Coal mine gas power generation can effectively solve coal mine gas accidents, improve coal mine safety production conditions, increase clean energy supply, reduce greenhouse gas emissions, and achieve multiple goals of protecting life, resources, and the environment. Anhui Coal Mine Case

　　对于瓦斯发电机组，燃气燃料的能量只有约35%被发电机组转化为电能，30%—35%随高温烟气排出（排烟温度达550℃），20%—25%被发电机冷却水带走，通过机身散热等其他损失占10%，排气余热和冷却水损失的能量比有用能量还多。占燃气发电机燃料近35%热能的烟气余热资源基本上被白白浪费掉。金瑞团队针对这一工况，充分利用瓦斯发电机组烟气余热，安装金瑞JR-WS瓦斯发电机组配套的余热锅炉，产生的蒸汽带动汽轮机组二次发电。使矿井资源得到了充分利用，矿山环境得到有效保护，实现了企业的节约发展、清洁发展和可持续发展，创造了良好的经济、环保和社会综合效益。

　　For gas generator sets, only about 35% of the energy from gas fuel is converted into electrical energy by the generator set, 30% -35% is discharged with high-temperature flue gas (exhaust temperature reaches 550 ℃), 20% -25% is taken away by the generator cooling water, and other losses such as heat dissipation through the body account for 10%. The energy lost from exhaust waste heat and cooling water is more than the useful energy. The waste heat resources from flue gas, which account for nearly 35% of the thermal energy generated by gas-fired generators, are basically wasted. The Jinrui team made full use of the waste heat from the flue gas of the gas generator set for this working condition, installed the waste heat boiler matched with the Jinrui JR-WS gas generator set, and generated steam to drive the steam turbine unit for secondary power generation. The mining resources have been fully utilized, the mining environment has been effectively protected, and the enterprise has achieved energy-saving, clean and sustainable development, creating good economic, environmental and social comprehensive benefits.

　　天然气是地球上最丰富的燃料之一，国外权威机构预言，天然气将在21世纪取代石油，成为第二大能源。同时，天然气也是发动机的优质燃料，它对发动机润滑油品质破坏性小，燃烧更充分，燃烧室内没有积炭和胶质，因而可延长发动机的使用寿命，降低发动机的维修费用。气体燃料发动机的排放指标优于汽油机和柴油机，同时燃气发动机排出废气中颗粒排放物极少，对大气污染程度小，能满足国内的发动机排放要求，有较好的环保效果。

　　Natural gas is one of the most abundant fuels on Earth, and authoritative foreign institutions predict that it will replace oil as the second largest energy source in the 21st century. At the same time, natural gas is also a high-quality fuel for engines. It has less destructive effect on the quality of engine lubricating oil, burns more thoroughly, and there is no carbon or gum buildup in the combustion chamber. Therefore, it can extend the service life of the engine and reduce maintenance costs. The emission standards of gas fuel engines are superior to gasoline engines and diesel engines. At the same time, gas engines emit very little particulate matter in the exhaust gas, which has a low degree of air pollution and can meet the domestic engine emission requirements, with good environmental protection effects.

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