Device for producing red iron oxide pigment

The utility model relates to an equipment for producing red ferric oxide pigment. includes at least one initial response ware at least, at least one second reactor, and at least one third response ware, at least one third response ware includes reaction vessel at least, the blender, the heater, an entry that is used for ferrous nitrate (II) solution, haematite nuclear suspension, oxygen containing gas and water., an export for the third contains nitrogen oxide stream, and be used for the export of haematite pigment suspension, at least one scrubber to and at least one exhaust purification unit and at least one heater, at least one exhaust purification unit feeds through by at least one the 8th circuit and at least one heater, and at least one heater is by at least one the 7th circuit and at least one scrubber intercommunication. Utilize the equipment to produce red ferric oxide pigment and to have avoided containing the reaction product who does not want by high quality high yield high energy efficiency.