Tail sand exclude system is the work of will choose to iron powder tail beach volleyball far from the machinery area, in order to guarantee the normal operation of machine.

尾沙排除系统的功用是将选去铁粉的尾沙排到远离本机械的区域，以保证机械的正常运转。

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Analyses that the slag iron of chain grate tail use at most one heating term, which must be changed every year.

链条炉排尾部的挡渣铁最多使用一个采暖期，每年均须更换挡渣铁。

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Answer: the first to assay the following fe content, if iron content high, can use magnetic pulley cast the tail.

答：先化验以下铁含量，如果铁含量高，可以采用磁滑轮抛尾。

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