PROCESS OF FRESH WATER PRELIMINARY HEATING IN STEAM-TURBINE POWER PLANTS WITH PROCESS STEAM VENT Russian patent published in 2017 - IPC F01K7/40 F01K7/44 

FIELD: power industry.

SUBSTANCE: fresh water supply system for the water-steam circulation loop evaporator comprises a condenser (101), a de-aerating device (109) for condensate de-aeration, connected to the condenser (101) so that the first condensate condensate component (101) can be supplied to the de-aerating device (109); a heat exchanger (102) connected to the condenser (101) so that the second condensate component of the condenser (101) can be supplied to the heat exchanger (102). Moreover, the heat exchanger (102) is connected to the supply conduit (103) so that fresh water can be supplied to the heat exchanger (102), designed so that fresh water can be heated by the second condensate component. At that, the heat exchanger (102) is connected to the de-aerating device (109), so that the heated fresh water may be supplied to the de-aerating device (109). A method for fresh water de-aeration for the water-steam circulation loop evaporator is also provided.

EFFECT: invention allows to implement fresh water deaeration, effective in terms of energy and cost, for the water-steam circulation loop of a steam-turbine power plant.

13 cl, 2 dwg