| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce dust emission in a nonferrous metal smelter, and particularly prevent the dust emitted when crushing matte depositing on a cast from spreading outside from the crushing site. <P>SOLUTION: In a method of supplying a raw material to be crushed to crushers (8, 9 and 10) with belt conveyers (12, 13 and 14) and conducting a crushing step of crushing the material with the crushers at least once, when supplying the crushed raw material into the nonferrous metal smelting furnace, this crushing method includes: spraying a misty diluent of a surface active agent to the dust which is produced at a site of receiving the raw material, right above the dust-emitting site, and subsequently spraying a frothy diluent of a surface active agent to the raw material when dropping the raw material onto the crusher from the belt conveyer. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
