abstract |
The invention discloses a graphite crucible, comprising a graphite crucible body, the upper part of the graphite crucible body is further provided with a cover body, the cover body is detachably covered on the upper part of the graphite crucible body, and the graphite crucible body has a cover body. The inner surface is provided with a zirconium layer. Compared to the prior art, the life of the graphite crucible is greatly increased. |