FIELD: heat power engineering.
SUBSTANCE: invention relates to heat engineering and can be used in gas boiler houses and thermal power plants with fuel oil as backup fuel to prevent freezing of fuel oil pipeline and reduce emissions of nitrogen oxide with flue gases. Boiler plant with a complex fuel oil pipeline comprises a boiler equipped with a burner connected to a fuel gas pipeline equipped with a shutoff device, connected to a fuel oil storage through a fuel oil pipeline with a heater and a pump, fuel oil pipeline itself is equipped with shutoff devices and is connected to a drain fuel oil pipeline, also equipped with a shutoff device, wherein boiler tail surfaces are communicated via smoke exhauster with flue gas main line and with fuel oil line via flue gas circulation line provided with shutoff devices.
EFFECT: increasing economic and environmental efficiency of a boiler plant with a complex fuel oil pipeline.
1 cl, 1 dwg
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