Extraction device for rare earth processing and processing technology

The invention relates to the technical field of rare earth processing, in particular to an extraction device for rare earth processing and a processing technology.The extraction device comprises a support, an outer cylinder, a cover body and an inner ring, the cover body is fixedly installed on the side wall of one end of the outer cylinder through bolts, and the outer cylinder is rotatably installed on the side wall of the upper end of the support; a liquid outlet pipe is rotationally connected to the side wall of the cover body through a second bearing, a cylinder is rotationally connected to the side wall of the end, away from the cover body, of the outer cylinder through a first bearing, and an extraction liquid pipe and a rare earth feed liquid pipe are installed in the cylinder; rare earth feed liquid is injected into the inner side of the inner ring through a rare earth feed liquid pipe; a motor is started to drive a gear to rotate, the gear drives an outer cylinder to rotate through a gear ring, meanw