Radiating and recovering device of after-forging coke combined flue

The utility model provides a radiating and recovering device of an after-forging coke combined flue, and belongs to the field of after-forging coke production equipment. The temperature of the top or the side wall body of the after-forging coke combined flue is about 230 DEG C, the heat loss is large, and the heat of the combined flue and a furnace body is directly dissipated into a workshop, so as to cause the increase of the temperature of the workshop and worsen the working environment of workers. A heat exchange pipe (3) is paved on the top and/or the side wall body of the combined flue, a water inlet of the heat exchange pipe (3) is communicated with a water supply main pipe (2), a water outlet of the heat exchange pipe (3) is communicated with a return water main pipe (1), the heat exchange pipe (3) is provided with a thermal resistor (15), and a water discharging end or a water charging end of the heat exchange pipe (3) is provided with a regulating valve (17). According to the radiating and recovering