FIELD: power industry.
SUBSTANCE: control method of flue gas temperature, in which volume of incoming air is changed, and flue gas is divided during fuel combustion into hot and cold flows, and a hot flow value is changed and it is combined with the cold flow. The method can be implemented in solid-fuel heating devices of direct heating (furnaces), indirect heating (boilers) and mixed heating, as well as heating devices with upper firing, upper loading, gas-generating units, etc.
EFFECT: improving efficiency of solid-fuel heating devices in a wide range of generated thermal capacities due to flue gas temperature stabilisation.
2 cl, 2 dwg
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