The heat balance of proton exchange membrane fuel cell (PEMFC) was calculated; the heat transfer and comprehensive utilization (the combined heat and power technology of fuel cell) were elaborated.
Recycle and utilization of waste heat in exhaust fume of industrial furnaces is the efficient way enhancing furnace heat efficiency and saving fuel used by furnace.
工业炉窑烟气余热回收利用，是提高炉子热效率、节约炉用燃料的极为有效的途径。
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The engine greatly improves the utilization rate of fuel by heat insulation and second working, so that the engine is more energy saving and environmental friendly.