Steam condensate comprehensive utilization device

The utility model discloses a steam condensate comprehensive utilization device which comprises a drainage device, a steam condensation inlet pipe, a liquid hole, a liquid smoothening pipe, a steam condensate control valve, a steam condensate heat exchanger, a heat exchange conveying pipe, a flash tank and a steam pressure control valve, a cavity is formed in the device wall of the drainage device, and a floating ball is placed in the cavity. The top of the cavity is connected with the steam condensation inlet pipe in a communicating mode, the bottom of the device wall is provided with the liquid hole, the floating ball is installed on the hole wall of the liquid hole through a linkage part, an exhaust valve is further installed on the inner side wall of the device wall, the liquid hole isconnected with the liquid smoothening pipe in a communicating mode, and the liquid smoothening pipe is connected with the floating ball. And the flash tank is mounted at the tail end of the liquid smoothening pipe in a commu