Crucible backplate device that accurate G7 ingot casting thermal field was used

The utility model provides a crucible backplate device that accurate G7 ingot casting thermal field was used, this crucible backplate device suit of is in the quartz crucible outside, and the cruciblebackplate device includes polylith A backplate and B backplate, a backplate and B backplate are 135 hem type structures, a backplate and B backplate interconnect position octahedral structure, and Abackplate and B backplate both sides interconnect's position is corresponding stair structure, all be equipped with a plurality of bolt holes on the stair structure of A backplate both sides, all be equipped with a plurality ofly on the stair structure of B backplate both sides and the corresponding oval through -hole of bolt hole to it is fixed through graphite bolted connection. The device can satisfy empty user demand in the internal diameter is the thermal field of 1830mm ingot furnace furnace body, can allocate according to quartz crucible overall dimension's excursion in addition, makesthe backplate inseparabler