Production method of colored metal casting melt
A color metal and production method technology, applied in casting equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of poor removal effect, achieve the effect of improving quality, high rust removal efficiency, and efficient removal of gas and inclusions
Inactive Publication Date: 2020-04-21
王常亮
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Problems solved by technology
[0003] However, even so, for ceramic foam filters (CFF), which are widely used at present, the filtering effect on inclusions larger than 10 μm is better (for example, the removal efficiency of 40 μm inclusions can reach 90%), and the removal effect on inclusions smaller than 10 μm Poor (only around 30%)
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Embodiment 1
[0041] see figure 1 , a method for producing a colored metal casting melt, comprising the following steps:
[0042] S1. Preparation of colored metal materials: prepare colored metal materials as needed, and carry out derusting and degreasing treatment;
[0043]S2. Melting of colored metals: placing the treated colored metal materials in a melting furnace to obtain colored metal melts;
[0044] S3. Melt purification treatment: add purification flux to the colored metal melt, then transport the colored metal melt to a holding furnace filled with nitrogen, and heat the holding furnace;
[0045] S4. Melt standing treatment: add degassing agent to the melt in the holding furnace, keep stirring for 10-15 minutes, after degassing and slag removal, let stand for 20-40 minutes;
[0046] S5. Melt filtration treatment: use an ultrasonic filter to filter the melt after standing treatment, collect the metal melt passing through the ultrasonic filter, and obtain a pure and impurity-free c...
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The invention discloses a production method of a colored metal casting melt, and belongs to the technical field of metal casting. The production method for the colored metal casting melt comprises thefollowing steps of preparation of colored metallic materials, colored metal melting, melt purification treatment, melt standing treatment, melt filtration treatment, melt pouring, electromagnetic processing, melt cooling treatment and the like, and the full purification and filtration treatment of the colored metal melt can be realized. According to the method, colored metal is subjected to rustremoval and oil removal treatment before smelting, so that the quality of the metal melt and the glossiness of a finished cast ingot can be effectively improved, and the follow-up purification treatment efficiency is greatly improved; the colored metal melt is subjected to electromagnetic treatment before cooling, and pulsed magnetic fields with different waveforms, different frequencies, different currents and different phase differences are conducted on an electromagnetic coil in the electromagnetic treatment process, so that the melt treatment can be strengthened and the melt tissues are refined and homogenized; and the production method is simple in process, high in treatment efficiency and good in treatment effect.
Description
technical field [0001] The invention relates to the technical field of metal casting, and more specifically, relates to a method for producing colored metal casting melts. Background technique [0002] When producing colored metal products, it is necessary to produce colored metal casting melts first, and in the casting production process of metal melts, it is necessary to fully filter the melts. It is important to use various filtering devices in the metallurgical and casting process. It is the most effective and simplest method to reduce and eliminate inclusions and porosity defects. A clean metallurgical casting melt is the basic condition for obtaining qualified ingots or castings. The most important cleaning standard is the amount of dissolved hydrogen and non-metallic inclusions. The use of a filter device is mainly to remove non-metallic metallurgical casting melts. Inclusions and gases. In the casting production process, people use various filtering devices to remo...
Claims
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Login to View More IPC IPC(8): B22D1/00B22D43/00B22D27/02B22D27/04C23G1/02
CPCB22D1/00B22D27/02B22D27/04B22D43/004C23G1/02
Inventor 不公告发明人
Owner 王常亮