Aluminum melt furnace refining device

Abstract

The invention discloses a refiner in an aluminum fused mass furnace, comprising a refiner head which is connected to an air inlet pipe of the refiner and horizontally placed. The refiner is characterized in that an air outlet on the refiner head is positioned on a horizontal plane where an axial line of the refiner head is positioned or on a pipe wall under the horizontal plane. The refiner improves degassing and deslagging effects and simultaneously can obviously reduce the spewing phenomenon of a fussed mass when air bubbles are overflowed from the surface of the fussed mass, and reduces secondary pollution of the fussed mass.

Description

technical field [0001] The invention relates to a furnace refiner for smelting aluminum. Background technique [0002] The structure of the furnace refiner used in the current aluminum melting furnace is as follows: figure 1 As shown, the outlet hole 3 on the head 2 of the refiner is in a vertical direction. After the refining gas enters the head 2 of the refiner from the inlet pipe 1, it is sprayed out from the outlet hole 3 and then directly floats upward and overflows the melt On the surface, since the bubbles have a certain initial velocity at the beginning, the floating distance and time of the bubbles in the melt are short, and the degassing and slag removal efficiency is low. At the same time, when the faster and more concentrated bubbles float out of the melt surface, the surface is more violent. The gushing phenomenon causes the melt to react with water and oxygen above the melt, causing the melt to absorb hydrogen and produce oxidized slag inclusions. Contents o...

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Problems solved by technology

[0002] The structure of the furnace refiner used in the current aluminum melting furnace is as follows: figure 1 As shown, the outlet hole 3 on the head 2 of the refiner is in a vertical direction. After the refining gas enters the head 2 of the refiner from the inlet pipe 1, it is sprayed out from the outlet hole 3 and then directly floats upward and overflows the melt On the surface, since the bubbles have a certain initial velocity at the beginning, the floating distance and time of the bubbles in the melt are short, and the degassing and slag removal efficiency is low. At the same time, when the faster and more concentrated bubbles float out of the melt surface, the surface is more violent. The gushing phenomenon makes the melt react with water and oxygen above the melt, making the melt absorb hydrogen and produce oxidized slag inclusions

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