Exhaust steam heat utilization system for steam turbine of thermal power plant

The utility model relates to the technical field of energy recycling, and discloses a thermal power plant steam turbine dead steam heat utilization system which comprises a heat preservation box body, and the thermal power plant steam turbine dead steam heat utilization system is characterized in that the heat preservation box body, an L-shaped shielding plate, shielding cloth and a first supporting rod are arranged in a matched mode; a worker moves the device beside a destination through universal wheels, then the worker pours a water source into the heat preservation box body through a water conveying pipe, then a threaded connector is connected to one end of a heat recycling pipe, heat flows into the threaded connector through the heat recycling pipe and flows into the heat preservation box body, and through arrangement of filtering sponge, the heat is recycled. The steam exhaust heat of the steam turbine of the thermal power plant is filtered, so that a water source is heated by the steam exhaust heat of