Pack alloy refining treating device, and refining processing method

Abstract

The invention discloses a die-casting aluminum refining processing device; two clapboards (6) are arranged in a crucible furnace (5); the crucible furnace (5) is divided into a melting chamber (18), a refining chamber (17) and a liquid taking chamber (16) that are adjacent to each other in the following sequences. The bottom parts of the melting chamber (18) and the refining chamber (17) as well as the bottom parts of the refining chamber (17) and the liquid taking chamber (16) are respectively communicated. The invention also provides a refining processing method adopted by the device. The technique scheme can be adopted to obtain an effective and stable refining result; the refining quality is high; the operation is simple and convenient; a refining agent can be fully absorbed and applied; the effective absorption rate of the refining rate can achieve more than 90 percent; the cost is low; the selected covering agent and the refining agent are broad in source and cheap in cost; the selected refining device is simple in structure and is conveniently manufactured.

Description

technical field [0001] The invention belongs to the technical field of metallurgical equipment and technology, and relates to a refining treatment device for non-ferrous metal materials. More specifically, the invention relates to a refining treatment device for die-casting aluminum alloys. In addition, the present invention also provides a refining treatment method adopted by the refining device. Background technique [0002] In the modern equipment manufacturing industry, "lightweight" has become a consensus indicator for industry material selection. Especially in aerospace, transportation, light industry and building materials and other fields. Aluminum alloy has the advantages of low density, excellent thermal and electrical conductivity, and easy forming, so it is widely used. Aluminum alloy forming methods mainly include casting forming and deformation processing, among which casting forming is still a widely used forming method in aluminum alloy production. [0003...

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Problems solved by technology

[0008] Foreign die-casting aluminum alloy refining treatment methods often use vacuum smelting and rotary injection of inert gas to complete the purification and alloying treatment of aluminum alloy liquid. Although the effect is good, the equipment investment is large, the specific operation is more complicated, and it is not suitable for Refining treatment of large-capacity aluminum alloy melt;

[0009] The domestic die-casting aluminum alloy refining treatment method usually uses the refining agent to be put into the bell jar first, and then the bell jar containing the refining agent is pressed into the aluminum alloy melt for refining treatment of the aluminum alloy melt, but due to the selected refining agent Different types, addition amount, heating conditions, and addition methods lead to low effective utilization rate of refining agent. Usually, the effective utilization rate of refining agent is not more than 50%, and in the refining process, due to improper refining operation, Make the generated scum and other products contaminate the aluminum alloy liquid

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