Steam turbine steam extracting and heat supplying system

The utility model discloses a steam turbine steam extracting and heat supplying system, including turbine intermediate -pressure cylinder (12) and heater (13) in locating heat exchange station, pyatyisteam extraction port has been seted up in turbine intermediate -pressure cylinder (12), pyatyi steam extraction port through first defeated steam pipe say with heater (13) intercommunication, on saying, first defeated steam pipe is equipped with first valve group. The utility model has the advantages that: through having seted up pyatyi steam extraction port at turbine intermediate -pressure cylinder, pyatyi steam extraction port through defeated steam pipe say with the heater intercommunication, it changes the pyatyi into and draws gas to draw gas prior art's the fourth stage, has increasedthe acting ability of high -quality steam, has reduced cold sources loss and has reduced the heat rate value, has improved economic nature. 本实用新型公开了种汽轮机抽汽供热系统，包括汽轮机中压缸(12)以及设于换热站中的加热器(13)，所述汽轮机中压缸(12)开设有第五级抽汽口，所述第五级抽汽口通过第输汽管道