FIELD: generation of steam; gas-and-oil producing industry; heating systems for buildings.
SUBSTANCE: proposed boiler plant works on liquid fuel and includes straight-through coil-type boiler, water and fuel tanks, feed water pump, fuel pump, burner unit mechanical injectors, fan and separator with steam trap whose outlet is connected with inlet of hot loop of two-section double pipe heat exchange apparatus whose outlet is connected with water tank of boiler plant; cold loop of heat exchange apparatus includes two isolated sections; inlet of first section is connected with pressure line of feed water pump and outlet is connected with inlet of boiler coil; inlet of second section of cold loop of heat exchange apparatus is connected with pressure line of fuel pump and its outlet is connected with injectors of burner unit.
EFFECT: enhanced efficiency.
3 cl, 3 dwg
