Smelting furnace flue gas cooling device for industrial silicon production

The utility model relates to the technical field of flue gas cooling, in particular to a smelting furnace flue gas cooling device for industrial silicon production, which is characterized in that a heat exchange tank is arranged on one side above a bottom plate, a water storage tank is arranged on the other side above the bottom plate, a gas inlet pipe is inserted into one end of the heat exchange tank, a gas outlet pipe is inserted into the other end of the heat exchange tank, and a gas outlet pipe is inserted into the gas outlet pipe. An air inlet pump is arranged at one end of the air inlet pipe, an air outlet of the air inlet pump communicates with the air inlet pipe, and a cooling pipe is arranged on the inner side of the heat exchange tank. According to the utility model, cooling water is added to the inner side of the cooling pipe, and flue gas moves along the direction of the spiral blade, so that the contact time between the flue gas and the spiral blade is longer, a large amount of heat in the flue