【摘 要】
：
我厂化铜坩埚垫底,以前是用长方形的耐火砖,因不能挡住整个罐底(坩埚北方俗名罐),所以风可以直接吹向罐底,这样罐底就先被吹薄而漏。后改用和罐底同样的圆砖,结果比垫长方砖
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我厂化铜坩埚垫底,以前是用长方形的耐火砖,因不能挡住整个罐底(坩埚北方俗名罐),所以风可以直接吹向罐底,这样罐底就先被吹薄而漏。后改用和罐底同样的圆砖,结果比垫长方砖较好,但下半部还是先漏。后来王成然同志
I plant copper crucible bottom, the former is a rectangular refractory brick, because it can not block the entire bottom of the tank (the northern pot crucible name), so the wind can be blown directly to the tank bottom, so the bottom was blown thin and leak. After the switch to the same end of the tank and the tank, the result is better than the mat tile, but the second half or the first leak. Later, Wang Chengran comrades
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