Protective thermal field of single crystal furnace

The embodiment of the utility model provides a protective thermal field of a single crystal furnace, which comprises a crucible, a transition disc and a first heat preservation cylinder, and the crucible is arranged in the first heat preservation cylinder; a first through hole penetrating in the axi...

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Bibliographische Detailangaben
Hauptverfasser:	BAI XIJUN, LIANG YONGSHENG, CHEN BIN, DENG XIANLIANG, SUN XIAOLONG, WU WENHUA, YANG KAIGANG, LIU PINGHU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMISTRY CRYSTAL GROWTH METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	The embodiment of the utility model provides a protective thermal field of a single crystal furnace, which comprises a crucible, a transition disc and a first heat preservation cylinder, and the crucible is arranged in the first heat preservation cylinder; a first through hole penetrating in the axial direction of the first heat preservation cylinder is formed in the first heat preservation cylinder; the transition disc is arranged at the end of the first heat preservation cylinder or embedded in the side wall of the first heat preservation cylinder. The transition disc is provided with an airflow channel, an air inlet of the airflow channel faces the interior of the first heat preservation cylinder, and an air outlet of the airflow channel is communicated with the first through hole so that air in the first heat preservation cylinder can be led into the first through hole. The transition disc can change an airflow path and discharge airflow carrying volatile matter out of the first heat preservation cylinder