A ball-tube mill in which an inclined wall dividing the mill into coarse and fine grinding chambers occupied by grinding bodies has through holes for the passage of the material being ground provided in a portion of contact of the surface of the inclined wall with the grinding bodies present in the coarse grinding chamber. The through holes have a length much greater than their width with their elongated side running in parallel with an outer contour of the inclined wall.
申请公布号
US4949907(A)
申请公布日期
1990.08.21
申请号
US19890403597
申请日期
1989.09.06
申请人
BELGOROSKY TEKHNOLOGICHESKY INSTITUT, STROITELNYKH MATERIAL OV IMENI, I.A. GRISHMANOVA
发明人
BOGDANOV, VASILY S.;BOGDANOV, NIKOLAI S.;VOROBIEV, NIKOLAI D.;NETESIN, ALEXANDR D.