Specification for use of corundum crucible: before using corundum crucible, check whether the inner wall and bottom of the crucible are intact and whether there is slag in the crucible. If there is any residue, clean it in time. In order to prolong the service life, the crucible needs to be preheated properly. The crucible shall be cast in strict accordance with the specifications to avoid damage to the crucible.

Avoid moisture and keep dry and ventilated; The crucible shall not be directly on the ground, and the wooden tray shall be placed horizontally; When handling corundum crucible, use trolley or mat to avoid damaging glaze layer; Check whether the crucible surface is damaged and whether the marks are complete; If there is any damage, please contact the sales department immediately.

Select a suitable graphite base whose diameter is not less than the outer diameter of the bottom of the crucible, and select a suitable graphite base (whose diameter is not less than the bottom diameter of the crucible); Prevent heat dissipation and oxidation; Cover the top to avoid heat dissipation; Do not get stuck and leave enough expansion space; Ensure that the furnace body is sealed and the furnace wall is neat without slag; Bake the graphite crucible according to the correct procedure; Light oxidation flame is adopted for gas-fired boiler; The flame of the gas-fired boiler shall not directly strike the bottom of the crucible. In the crucible, it shall circle around the crucible along the tangent line; When baking is red, you need to check the bright lines and rings in the blank body.