A device for degassing and removing slag from molten aluminum

Abstract

The invention discloses a gas and slag removing device for molten aluminum. The gas and slag removing device comprises a gas storage bottle, a liquid storage tank and a heat preserving furnace, wherein a slag removing agent is sealed in the liquid storage tank; a hydraulic telescopic rod is arranged in the center of a cover plate in a penetration manner; a rotatable fan-shaped stirring blade is arranged at the bottom of the hydraulic telescopic rod; a driving motor used for driving the stirring blade to carry out rotary stirring is arranged in the center of the cover plate; the outer side of the hydraulic telescopic rod is further sleeved by a gas liquid mixing pipe; a gas flow channel capable of allowing the passage of gas and a liquid channel capable of allowing the passage of liquid are formed inside the cover plate; the gas flow channel and the liquid channel are communicated to a gap between the gas liquid mixing pipe and the hydraulic telescopic rod. According to the gas and slag removing device for the molten aluminum, provided by the invention, excess air and other impure gases can be effectively removed from the molten aluminum, and meanwhile, impurities therein can be removed. In a slag removing process step, slag can be removed by the device in a mechanical automatic manner instead of a manual manner, the production efficiency is improved, and the occurrence probability of safety accidents is reduced.

Description

technical field [0001] The invention relates to a device for removing impurities in liquid metal in the foundry industry, in particular to a device for degassing and removing slag from molten aluminum. Background technique [0002] Die-casting machine is a common equipment in the field of forming technology in the machinery industry. It is an industrial machine that hydraulically injects molten metal into a die-casting mold for cooling and forming under pressure, and obtains solid metal castings after the mold is opened. [0003] Among them, the quality of molten metal, that is, molten aluminum, has become the key to the quality of die castings, which directly affects the molding quality and internal microstructure of die castings, and determines its mechanical properties to a large extent. In industry, in order to remove the gas and impurities in the molten aluminum, it is processed and produced with slag remover and protective gas. After the slag removal is completed, the...

AI Technical Summary

Problems solved by technology

After the slag removal is completed, the residue floating on the upper layer of the molten aluminum is often manually removed by using a slag picker tool. Due to the high temperature of the molten aluminum, safety accidents are likely to occur during the manual removal of the slag, which is very unsafe.

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