While arguments about the relative merits and disadvantages of grab unloaders and continuous ship unloaders (CSUs) will continue, there is one market sector in which CSUs are unquestionably superior – in the discharge of fine and powdery commodities such as cement. A CSU, whether mechanical or pneumatic, can achieve this task in a totally enclosed environment, particularly if pneumatic or screw conveying technology is employed for the transfer from the quayside to the silos.
Although mechanical and pneumatic unloaders overlap in capacity and commodity areas, they compete significantly only in the handling of powdery commodities, such as cement....
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This complete item is approximately 1550 words in length, and appeared in the August 2004 issue of Bulk Materials International, on page 15.
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