Heat insulated box for preventing cracks of polycrystalline silicon ingot casting

The utility model discloses a heat insulated box for preventing the cracks of a polycrystalline silicon ingot casting. The heat insulated box comprises a heat insulated box body, wherein the heat insulated box body is cubic; a layer of heat insulated cotton is paved on the inner wall of the heat ins...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZONG HONGMEI, YANG GUONONG, HE PENG, YANG 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 heat insulated box for preventing the cracks of a polycrystalline silicon ingot casting. The heat insulated box comprises a heat insulated box body, wherein the heat insulated box body is cubic; a layer of heat insulated cotton is paved on the inner wall of the heat insulated box body; the heat insulated box body is formed by welding steel plates with the plate thickness of 3cm to 5cm; a plurality of heat dissipating holes are formed in the heat insulated box body; a temperature detecting unit for detecting a temperature in the heat insulated box body in real time is mounted in the heat insulated box body; a horizontal placement platform for containing a quartz crucible in which the polycrystalline silicon casting ingot is mounted is arranged in the heat insulated box body; the horizontal placement platform is arranged at the bottom of the inner side of the heat insulated box body and comprises a horizontal base which is fixed at the bottom of the inner side of the heat insulated