Flame can directly reflect the furnace condition and boiler efficiency.

燃烧火焰是对锅炉燃烧状况的最直接的反映。

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The results prove that the movable heat insulate layer has obvious effects on improving the temperature profile in furnace and combustion efficiency of coal fired boiler at low load.

试验表明：可调卫燃带对改善锅炉低负荷时炉内温度分布及提高燃烧效率具有十分明显的效果。

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By regulating the amount of coal and rationally organizing the internal furnace combustion, the total efficiency of the boiler has been remarkable enhanced.

控制系统通过调节供入的燃料量和合理组织炉内燃烧，提高了锅炉的运行效率。

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