Continuous decoloring device for o-nitro-p-methylsulfonylbenzoic acid

The utility model discloses a continuous decoloring device for o-nitro-p-methylsulfonylbenzoic acid, which belongs to the field of industrial preparation and comprises a decoloring tower, the lower side of the decoloring tower is fixedly connected with a bag filter, the right side of the bag filter is fixedly connected with a decoloring kettle, and the right side of the decoloring kettle is fixedly connected with a filtrate delivery pump. And through circular decolorization, the labor intensity is reduced, and the treatment capacity is improved. 本实用新型公开了一种邻硝基对甲砜基苯甲酸连续脱色装置，属于工业制备领域，包括脱色塔，所述脱色塔下侧固定连接有袋式过滤器，所述袋式过滤器右侧固定连接有脱色釜，所述脱色釜右侧固定连接有滤液输送泵。通过循环脱色，减少劳动强度，提高处理能力。