| 摘要 |
PROBLEM TO BE SOLVED: To contribute heat quantity of vent steam in a feed water heater to plant efficiency, thereby to effectively use heat, in a condensate heating system.SOLUTION: A condensate heating system 1 includes: a condenser 12 with steam from a steam turbine as condensate; an intermediate cooler 14c configured to cool mixed air extracted with an air extractor 14a at a front stage to condense steam; feed water heaters 161-163 configured to heat water fed to a boiler with extraction steam from the steam turbine 11; and vent pipelines 171-173, 181-183, 191-193 connecting the feed water heaters 161-163 and the condenser 12, connecting the feed water heaters 161-163 and the intermediate cooler 14c, and configured to discharge vent steam in the feed water heaters 161-163.SELECTED DRAWING: Figure 1 |
