The utility model provides a flue gas takes off white device and fume treatment equipment, relates to flue gas processing technique field, and this flue gas takes off white device and includes smoke incoming pipe, blender, gas cooler and new fan. The mode of using can be adjusted after getting into whole device to the flue gas according to the condition characteristic who handles the flue gas, select directly to dilute with the new trend mixture, or mix with the new trend behind the process gas cooler cooling dehumidification again and dilute to when guaranteeing that the flue gas takes off white fog effects, realize minimum operation cost. This fume treatment equipment includes that desulphurization unit and above -mentioned flue gas take off white device, through the desulfurization with except that white integrative design, further optimize device layout. Its reasonable in design, equipment is simple, can purify all kinds of pollutants in the flue gas to high -efficient low energy consumption.