Tail gas recovery system of turbine

The utility model discloses a turbine tail gas recovery system which comprises a turbine tail gas connecting end and a preheating mechanism, a built-in plate type exchanger frame is arranged at the rear end of the turbine tail gas connecting end, a water steaming case is installed at the top end of the plate type exchanger frame, and the preheating mechanism is arranged on one side of the water steaming case. A gas hood is installed at the top end of the preheating mechanism, a drying cylinder rack is installed at the top end of the gas hood, and a gas connecting mechanism penetrates through one side of the preheating mechanism. According to the turbine tail gas recovery system, when water extracted by turbine tail gas recovery equipment overflows out of a steam engine and turbine tail gas is treated through a plate type exchanger frame and a preheating mechanism, an external connection disc and a communicating pipe can be installed in a preheating box, and high-temperature tail gas exhausted by the turbine c