The coal quality and type not only affect the boiler combustion, unit operation, and energy consumption for power generation in power plants, but also has direct relation with the coal handing system.

煤质的好坏不仅影响到锅炉的燃烧工况调整、机组的安全运行和电厂的发电能耗，而且煤质和煤种的变化对输煤系统也有直接的关系。

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The International Energy Agency (IEA) estimates that natural gas consumption for power generation will increase by 20% by 2050 and consumption of coal will decline.

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