Special-purpose device for fine sodium modification of bentonite

The utility model discloses a special-purpose device for fine sodium modification of bentonite. The device consists of a hammer type crusher, a spiral stirrer, a fine sodium modification extruder and a belt conveyor. After the bentonite raw ores are dried in the sun and impurities are removed, the bentonite raw cores are crushed by the hammer type crusher; the crushed materials are added with a sodium-modifying agent by virtue of medication in a belt conveying process, are conveyed to the fine sodium modification extruder for being extruded to obtain modified semi-finished products after entering the spiral stirrer and being mixed and stirred by adding water, and dried and grinded to obtain the fine sodium-modified bentonite finished product. The special-purpose device disclosed by the utility model can be adopted to completely degrade the bentonite, and the bentonite bears high-strength extruding force and shearing force in a modifying process, so that modifying effect is good, and the obtained cylindrical s