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公开(公告)号:US4690335A
公开(公告)日:1987-09-01
申请号:US837946
申请日:1986-03-10
申请人: Tyark Allers , Gotthardt Blasczyk
发明人: Tyark Allers , Gotthardt Blasczyk
摘要: A method and apparatus for two-stage crushing of material wherein the material is subjected to crushing first in a constant speed roll mill and then in a second mill. Grit resulting from the crushing is returned to the first mill in a proportion to maintain the filling level of combined fresh material and grit substantially constant even when the quantity of such fresh material changes.
摘要翻译: 一种二阶段破碎材料的方法和装置,其中材料首先在恒速辊磨机中然后在第二磨机中进行破碎。 由粉碎产生的磨粒以一定比例返回到第一磨机,以保持新鲜材料和砂粒的填充水平基本上恒定,即使这种新鲜材料的数量发生变化。