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在多年的设计工作中,笔者感到中小型选厂原矿最大块度与粗碎设备处理量不配套。中小选厂原矿最大块度一般为500毫米,多采用复摆600×900毫米颚式破碎机(颚式破碎机技术条件见表1)或700/130型旋回破碎机。即使选用这样的设备仍有3～5%的过大块难于进破碎机。为
In many years of design work, I feel that the largest block size of small and medium-sized ore dressing plant and equipment handling capacity is not complete. Small and medium-sized ore mill ore block is generally the largest block size of 500 mm, the use of complex pendulum 600 × 900 mm jaw crusher (jaw crusher technical conditions in Table 1) or 700/130 gyratory crusher. Even if the use of such equipment is still 3 to 5% of the over large pieces difficult to enter the crusher. for