FIELD: power engineering.
SUBSTANCE: invention relates to thermoelectric plants with gas-turbine unit and it can be used at thermal power station. Proposed thermoelectric plant with gas-turbine unit contains base thermoelectric plant unit which is additionally equipped with vacuum deaerator connected at inlet by heated medium pipe of main condensate to pipeline of first, on direction of flow of main condensate, regenerative low-pressure heater of thermoelectric plant and by heating medium pipe to outlet pipeline of feed water of high-pressure deaerator. Vacuum deaerator at its outlet is connected by pipeline of deaerator feed water through feed pump to inlet of water economizer of waste heat recovery steam boiler of heat recovery unit of gas-turbine unit.
EFFECT: increased efficiency of thermoelectric plant, reduced cost of its modernization, increased efficiency of waste heat recovery boiler.
2 dwg
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