DEVICE FOR MIXING LIGHT METAL MELTS WITH MICROPOWDERS OF REFRACTORY PARTICLES AND FIBERS Russian patent published in 2021 - IPC B01F7/18 

FIELD: metallurgy.

SUBSTANCE: invention relates to a device for mixing an aluminum melt with micropowders of refractory particles of titanium diboride and basalt fibers, containing a rod vertically located in a crucible with a melt with a working member fixed at the lower end with the possibility of its rotation, oscillatory vertical movement and movement in the crucible in horizontal and vertical directions , and the working body consists of three plates made in the form of four flat blades located at an angle of 90 degrees to each other, while the plates are rigidly fixed on the rod at the same distance H = 35 mm from each other and are displaced at an angle of 45 degrees relative to each other friend, the planes of the plates are oriented perpendicular to the rod, and on the periphery of each of the blades there are two coaxial cylindrical pins with a diameter of 4 - 8 mm and a height of no more than 0.43 N, oriented parallel to the rod and directed by their free ends away from the surface of the blade, the rod with the working body is made with the possibility periodic change in the direction of rotation, while the angular velocity of rotation of the rod, the frequency and amplitude of its longitudinal vibrations, the frequency of the change in the direction of rotation are determined by the ratios n = 500÷800 rpm, ƒ = 10÷20 Hz, х = 0.6÷0.8, t = 3÷5 s, where n is the angular velocity of rotation of the rod; ƒ is the frequency of longitudinal vibrations of the rod; x is the amplitude of longitudinal vibrations of the rod; t is the frequency of changing the direction of rotation of the rod.

EFFECT: creation of a device for mixing an aluminum melt with micropowders of refractory particles of titanium diboride and basalt fibers.

1 cl, 1 ex, 5 dwg