Equipment for producing low-iron tin dioxide

Equipment for producing low-iron tin dioxide comprises a reaction furnace, a small rigid cooling device, a large rigid cooling device, an induced draft fan, an air pipe pressure device and an exhaustfan which are communicated in sequence, and an air compressor is further connected to the air pipe pressure device; the reaction furnace, the small rigid cooling device and the large rigid cooling device are all communicated with the cooling water pump and the water return pool; the cooling water pump is communicated with the water return pool through the cooling water pool; the equipment furthercomprises a high-position tin melting pot, an electrode bar graphite head, a servo positioning system, a direct-current discharging device, a PLC system and a video system, the high-position tin melting pot is heated through electromagnetism, and a tin outlet valve is further arranged between the high-position tin melting pot and the reaction furnace; and the direct-current discharging device is electrically connected with