| 摘要 |
<p>Rotary hearth furnace, in particular for the treatment of minerals or oxidized materials, in-cluding a toroidal chamber (1) with the bottom wall, said hearth (2), rotating as to the rest of the chamber, said hearth (2) including a refractory material layer supported on a frame which includes the tracks co-operating with the wheels, placed on the ground, for the sliding and/or driving of said hearth (2); said frame includes several girts (102) radial as to said hearth (2), angularly equidistant from each other, and at least two circular sliding girders (202, 302), positioned next to the outer and inner peripheral edge of said hearth (2), being said sliding girders in contact with the hearth sliding and/or driving wheels (103, 203) through the suitable tracks (212, 312), and being said wheels (103, 203) angularly equidistant from each other with the same angular pitch of said radial girts (102). <IMAGE></p> |
