Downhole paraffin and scale removal yield increase device

The invention provides a downhole paraffin and scale removal yield increase device. An outer protective sleeve is connected with the bottom of an upper joint, the inner wall is connected with a strongmagnetic plate in a sleeving manner, and an outer pipe is connected with the bottom of the outer protective sleeve; an upper end cap, an inner pipe and a lower end cap are connected with the inner wall of the outer pipe sequentially, a scale and paraffin inhibitor is placed in the outer pipe, and the outer pipe is connected with a connection sleeve; a diffuser and an acceleration cavity are installed in the connection sleeve, the diffuser is welded on the top of the acceleration cavity, the lower end of the acceleration cavity is connected with the inner wall of the connection sleeve, the lower end of the connection sleeve is in threaded connection with a lower joint; and a sand separator is installed in the lower joint. The device has the advantages that particles with relatively largeouter diameters are separat