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Method for adding alloy elements in up-drawing copper-magnesium alloy casting

A copper-magnesium alloy and casting alloy technology, which is applied in the field of alloying element addition, can solve the problems of unreachable magnesium content, increased labor intensity, and increased burning loss, so as to reduce the risk of impurities mixed in and the cost of slag removal Frequency, reduce the effect of raw material consumption

Inactive Publication Date: 2016-05-11
赣州江钨拉法格高铁铜材有限公司
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Problems solved by technology

The traditional magnesium addition method, such as adding copper-magnesium master alloy, the magnesium content in this alloy cannot be roughly uniform, and the cost is too high
Another example, if pure magnesium is directly added into the furnace, due to the low density of magnesium, it is easy to float up, which will increase its burning loss and cause waste.
At the same time, the oxides of magnesium in the furnace increase, that is, the amount of slag increases, the frequency of slag removal by workers increases, and the labor intensity increases. In addition, excessive slag and the unavoidable disturbance to copper water during the slag removal process increase the occurrence of products. The risk of slag inclusion defects indirectly affects product quality

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  • Method for adding alloy elements in up-drawing copper-magnesium alloy casting

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Embodiment Construction

[0009] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0010] A method for adding alloying elements to copper-magnesium alloy casting by upward drawing method, which is characterized in that it includes five operation steps: calculating the amount of addition → crushing magnesium ingots → weighing magnesium ingots → packing magnesium ingots → adding materials; figure 1 As shown, according to the weight of each batch of electrolytic copper plates and the empirical value of magnesium utilization, calculate the weight of magnesium ingots that need to be added for each electrolytic copper plate; use special hydraulic shears to cut the entire magnesium ingot into small pieces, In order to accurately weigh the magnesium of the appropriate weight in the next step; The weight of the magnesium ingot that needs to be matched with each piece of electrolytic copper; then wrap the weighed magnesium ingot with a pure ...

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Abstract

The invention relates to a method for adding alloy elements in up-drawing copper-magnesium alloy casting. The method is characterized by including: calculating adding quantity, to be more specific, calculating the magnesium ingot weight which needs to be added when every electrolysis copper plate is added according to the weight of each batch of electrolysis copper plates and the empirical value of magnesium utilization rate; crushing a magnesium ingot, to be more specific, using a special hydraulic shear to cut the whole magnesium ingot into small pieces so as to precisely weigh magnesium of appropriate weight in the next step; weighing the magnesium ingot, to be specific, weighing the whole magnesium ingot and the magnesium ingot pieces on an electronic scale with the minimum measuring unit being 1g so as to obtain the magnesium ingot weight which needs to be matched with each electrolysis copper plate; packaging the magnesium ingot; charging. By the method, magnesium element utilization rate is increased, the risk that impurities are mixed into melted copper is reduced, and product quality is increased.

Description

technical field [0001] The invention relates to a method for adding alloy elements applied to the production of up-drawn copper-magnesium alloy cast slabs. Background technique [0002] Since magnesium is a strong oxidizing element with low melting point and low density, copper-magnesium alloys can easily react with oxygen to form hard and brittle phases during the smelting process, reducing the mechanical properties of alloy rods. At the same time, magnesium also has a corrosive effect on the lining material. Therefore, in the copper-magnesium alloy casting process, it is necessary to try to reduce the burning loss of magnesium and reduce the content of hard and brittle phases in the slab. The traditional magnesium addition method, such as adding copper-magnesium master alloy, the magnesium content in this alloy cannot be roughly uniform, and the cost is too high. For another example, if pure magnesium is directly added into the furnace, due to the low density of magnes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C22C9/00
CPCC22C1/02C22C9/00
Inventor 白鹿邓俊黄奇春
Owner 赣州江钨拉法格高铁铜材有限公司
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