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1. An aluminum and aluminum alloy melt dehydrogenation device consisting of a set of inner and outer tubes, wherein the inner tube material is a solid electrolyte hydrogen permeable ceramic and is coated on its outer wall with a porous conductive layer. The outer tube material is an ordinary high temperature refractory material. During the dehydrogenation process, the inner tube is fed into the aluminum or aluminum alloy melt, and the internal and external tubes can carry the carrier gas for hydrogen or water gas. During the refining process, a continuous pulsed electric field is applied to the metal melt and the conductive layer on the outer wall of the inner tube. The metal melt is connected to the positive electrode of the power supply, and the conductive layer on the outer wall of the inner tube is connected to the negative electrode of the power supply.
Refining hydrogen removal method for aluminum and aluminum alloy melts
The present invention is a dehydrogenation device for aluminum and aluminum alloy melts consisting of a set of inner and outer tubes. The inner tube material is a solid electrolyte hydrogen permeable ceramic, a porous conductive layer is coated on the outer wall of the inner tube, and the outer tube is made of an ordinary high temperature refractory material. During refining and dehydrogenation, the metal melt flows through the inner tube, inert gas or air flows between the inner and outer tubes, and a continuous pulsed electric field is applied between the metal melt and the outer layer of the outer wall of the inner tube to achieve degassing and dehydrogenation of the melt.