镁合金熔化安全操作规程
镁合金熔化安全操作规程1.工作前的准备清理炉膛--检查电阻丝--清理炉丝处氧化杂物--检查热电偶位置--检查托砖--检查电气元件--启动风机--检查坩祸--揽拌器、样勺、漏勺、饶包要在恪剂锅内预热并清洗干净。油炉生产要检查输油管路是否畅通,开关是否正常。2.装料熔化当坩祸预热至暗红色后,在坩祸底部撒入适量熔剂,清洗2次,用行车将坩祸吊出放在专用铁架上使其倾斜后用勺子将锅壁的残渣清理干净,吊回锅内,送电加温。将镁锭逐渐加入坩祸,升温熔化。同时撒入部分熔剂预防燃烧,决不允许一次加满坩祸,防止镁液燃烧时灭火不彻底。在熔化过程中,炉温应控制在900℃以下,不能过高,防止烧坏坩祸发生危险。应有专人看护以...
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