Graphite electrode used for manufacturing quartz crucible and quartz crucible manufacturing device

• Main Authors: WANG LU, LI ZONGHUI
• Format: Patent
• Language: Chinese; English
• Published: 07.08.2013
• Subjects: CHEMISTRY; GLASS; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES; METALLURGY; MINERAL OR SLAG WOOL

The utility model relates to a graphite electrode used for manufacturing a quartz crucible and a quartz crucible manufacturing device. The graphite electrode comprises a cylindrical base part, an end part and a circular truncated cone transition area, wherein the end part is at least partially arc-shaped; the semidiameter of the arc of the end part is 5-20mm; the circular truncated cone transition area is used for smoothly connecting the cylindrical base part and the arc-shaped end part; and the diameter of the adjacent position between the circular truncated cone transition area and the end part is 10-35mm. The end part of the electrode is designed to be arc-shaped, and the easily dropping contact position of the end part is processed off before the electrode is used, so that graphite particles dropping from the position are greatly reduced. The semidiameter of the arc of the end part is controlled to be 5-20mm, so that the highest point of electric current density is preferentially focused on the top end of