FIELD: generation of steam. SUBSTANCE: boiler plant includes boiler with steam generation system and the following items installed in succession after boiler: economizer, double-stage air heater and heat exchanger, first stage of air heater, as well as fuel heater and contact heat exchanger arranged in horizontal gas duct. Besides that, boiler plant is provided with deaerator located above boiler, economizer, air heater, fuel heater and heat exchanger. Second stage of air heater is located under boiler and economizer. Coil-type steam generation system is connected to heat-transfer agent outlet. EFFECT: simplified arrangement of boiler plant; reduced losses of heat and reduced usage of metal. 1 dwg
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|---|---|---|---|
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