Processing device for modifying bentonite

The invention relates to a processing device for modifying bentonite. The processing device comprises a first tank and a second tank communicated with the first mixing tank, wherein a first feeding part, a second feeding part is arranged on the first tank and a discharging port is formed in the first tank; the second tank is provided with a first feeding port located on the upper part of the second tank; height difference exists between the discharging port and the first feeding port; a second feeding port and a third feeding port are formed in the second tank; a first stirring shaft is arranged in the second tank; the first stirring shaft has an inner hollow structure; an air inlet pipe located on the outer side of the second tank is connected with the inner chamber of the first stirring shaft; an air outlet is formed in a shaft wall of the first stirring shaft. According to the invention, the material-adding mode is modified, so that the material-stirring function is realized, and meanwhile, the stirring sh