Single crystal furnace water cooling screen with bottom end protection

The utility model discloses a single crystal furnace water cooling screen with bottom end protection, which comprises a lower furnace barrel, a water cooling screen and a protection ring are arranged in the lower furnace barrel, the water cooling screen and the protection ring are fixed above the lo...

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Bibliographische Detailangaben
Hauptverfasser:	WEI KUIXIAN, LYU GUOQIANG, WU JIJUN, WANG ZHENGXING, LEI YUN, REN YONGSHENG, ZU YUBO, MA WENHUI, LI SHAOYUAN, ZENG YI
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 utility model discloses a single crystal furnace water cooling screen with bottom end protection, which comprises a lower furnace barrel, a water cooling screen and a protection ring are arranged in the lower furnace barrel, the water cooling screen and the protection ring are fixed above the lower furnace barrel, and the lower furnace barrel is used for dissolving and storing polycrystalline silicon material melt. The protection ring is hung on the face, close to the polycrystalline silicon material melt, of the water cooling screen in a sleeving mode, an annular groove with a certain depth is formed in the protection ring, a high-heat-conductivity material is stored in the groove, the side wall of the groove extends out of a pipeline communicated to the outer wall of the lower furnace barrel, and a temperature detector is arranged at the tail end of the pipeline. The water cooling screen is provided with a fixing piece at the sleeving position, the protection ring is provided with a concave part matched