Patent ID: 9340851
Filing Date: 2016-05-17
CPC Classification: C22B,C23F,C23G,F27B,F27D

Claim Text:
1. A metallic magnesium preprocessing device, comprising: a chamber, a heating device mounted in the chamber, a gas inlet port mounted on the chamber, and a gas evacuation port mounted on the chamber, the gas inlet port being adapted to be connected to and in communication with an external inert gas supply equipment for supplying an inert gas into the chamber, the gas evacuation port being adapted to be connected to and in communication with an external vacuum evacuation device to evacuate the chamber to vacuum, the heating device heating metallic magnesium having an oxidized surface so as to sublimate a layer of magnesium oxide formed on the surface of the metallic magnesium in a vacuum environment to thereby obtain pure metallic magnesium; and further comprising an oxygen sensor arranged in the chamber and a vacuum gauge arranged in the chamber, the oxygen sensor detecting oxygen content inside the chamber, the vacuum gauge detecting pressure inside the chamber.