Floating ball type liquid level control valve for condensing heat exchanger

The utility model discloses a floating ball type liquid level control valve for a condensing heat exchanger, which comprises a lower valve body and an upper valve body, and the upper valve body is positioned above the lower valve body; a bent adjusting flow channel is arranged in the lower valve body, a liquid phase inlet flange and an outlet flange are arranged at the two ends of the adjusting flow channel respectively, the liquid phase inlet flange is used for being connected with a condensate water outlet pipe of the condensation heat exchanger, and the outlet flange is used for being connected with a liquid discharging pipeline so that liquid in the condensation heat exchanger can be discharged outwards. A vapor phase inlet flange is arranged at the top of the upper valve body and is used for being connected with a vapor phase pipe of a condensing heat exchanger; a floating ball assembly is arranged in the inner cavity of the upper valve body, and the bottom of the floating ball assembly extends into the