| 摘要 |
FIELD: power industry. ^ SUBSTANCE: thermal power plant includes steam boiler connected via live steam pipeline to turbine, condenser that is connected via pipeline of the main turbine condensate to feed water deaerator, low pressure heaters connected to pipeline of the main condensate and to regenerative steam extraction points, make-up feed water deaerator connected via make-up feed water pipeline to pipeline of the main condensate of turbine and to the demineralising plant to which source water pipeline is connected. Surface heat exchanger - cooler is connected to the main turbine condensate pipeline between the first and the second low pressure heaters in condensate direction and as to cooling medium to source water pipeline before demineralising plant; make-up feed water pipeline is connected to the main condensate pipeline between surface heat exchanger - cooler and the second low pressure heater in condensate flow direction. ^ EFFECT: invention allows improving reliability and economy of thermal power plant. ^ 2 cl, 1 dwg |
