APPARATUS FOR PURIFYING NONFERROUS METAL MELTS, PARTICULARLY ALUMINUM MELTS

摘要

An apparatus for purifying nonforrous metals melts,such as aluminum melts, by flotation, degassing, and optionally chlorlnatlon techniques is provided whlch includes a tank provided with a heating system and a removal covering, an inlet for the molt to be purified, an outlat for the resultant purified melt and an lnlet for the introduction of a flushing gas into the melt in tho lower region of the tank. The tank includes a central chamber which is formed by on imler pipe and which is aonnected 1~ its end region with the, tank and optional Intermediate and outer chambers. Tho inlet ~or the flushing gas and the inlet for the melt to be purfied connect to the centrcl chamber, While tho outlet for the purified melt connects with a tank space or Im opdonel chamber surrouding the central chamber, Preterably, the apparahus includes multiple p;pcelementsformingmultiplechambersconcentrically arrangedsand connectedd and colmected in a siphonlabyrinth fashionion,