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Arsenic-copper-zinc master alloy and production method thereof

A production method and master alloy technology, applied in the field of copper alloy materials and its production, to achieve full reaction, avoid a large amount of oxidation and volatilization, and reduce environmental pollution

Active Publication Date: 2014-06-04
HUNAN SHUI KOU SHAN NONFERROUS METALS GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The arsenic-containing low-lead brass alloy of the invention has a low arsenic content compared to the amount of arsenic element required for the production of brass, and additional arsenic element needs to be added. When producing brass, adding the brass alloy cannot To achieve the purpose of adding zinc and arsenic elements at the same time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] In the arsenic-copper-zinc master alloy of this embodiment, by weight percentage, arsenic: 28%, zinc: 20%, copper: 52%.

[0025] A kind of production method of arsenic-copper-zinc master alloy, the steps are as follows:

[0026] 1) Ingredients: mix the weight of arsenic, copper and zinc according to the ratio of 28:41:20;

[0027] 2) Copper melting: In the copper melting furnace, melt the copper in step 1) into copper water, and control the temperature of the copper water to 1400°C;

[0028] 3) Melting zinc: put the zinc in step 1) into the reaction furnace and heat to 520°C to melt;

[0029] 4) Reaction: Add the arsenic in step 1) into the reaction furnace, and then add the molten copper in step 2) to prepare a master alloy melt, stir to make it fully react;

[0030] 5) Slag removal and ingot casting: remove the oxidized slag on the surface of the master alloy melt in step 4), and then start casting, and carry out slag removal treatment on the master alloy melt again...

Embodiment 2

[0033] In the arsenic-copper-zinc master alloy of this embodiment, by weight percentage, arsenic: 35%, zinc: 18%, copper: 47%.

[0034] A kind of production method of arsenic-copper-zinc master alloy, the steps are as follows:

[0035] 1) Ingredients: mix the weight of arsenic, copper and zinc according to the ratio of 35:42:18;

[0036] 2) Copper melting: In the copper melting furnace, melt the copper in step 1) into copper water, and control the temperature of the copper water to 1300°C;

[0037] 3) Melting zinc: put the zinc in step 1) into the reaction furnace and heat to 500°C to melt;

[0038] 4) Reaction: Add the arsenic in step 1) into the reaction furnace, and then add the molten copper in step 2) to prepare a master alloy melt, stir to make it fully react;

[0039] 5) Slag removal and ingot casting: remove the oxidized slag on the surface of the master alloy melt in step 4), and then start casting, and carry out slag removal treatment on the master alloy melt again...

Embodiment 3

[0042] In the arsenic-copper-zinc master alloy of this embodiment, by weight percentage, arsenic: 30%, zinc: 22%, copper: 48%.

[0043] A kind of production method of arsenic-copper-zinc master alloy, the steps are as follows:

[0044] 1) Ingredients: mix the weight of arsenic, copper and zinc according to the ratio of 30:40:22;

[0045] 2) Copper melting: In the copper melting furnace, melt the copper in step 1) into copper water, and control the temperature of the copper water to 1370°C;

[0046] 3) Melting zinc: Put the zinc in step 1) into the reaction furnace and heat to 550°C to melt;

[0047] 4) Reaction: Add the arsenic in step 1) into the reaction furnace, and then add the molten copper in step 2) to prepare a master alloy melt, stir to make it fully react;

[0048] 5) Slag removal and ingot casting: remove the oxidized slag on the surface of the master alloy melt in step 4), and then start casting, and carry out slag removal treatment on the master alloy melt again...

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Abstract

The invention discloses an arsenic-copper-zinc master alloy and a production method thereof. The arsenic-copper-zinc master alloy comprises, by weight, less than or equal to 35% of arsenic, less than or equal to 25% of zinc and the balance copper. The invention also provides the production method of the arsenic-copper-zinc master alloy. In brass and bronze production processes, the arsenic-copper-zinc master alloy is used and realizes simultaneous addition of arsenic and zinc. The arsenic-copper-zinc master alloy improves an alloy recovery rate, reduces a production cost and reduces environmental pollution. The production method of the arsenic-copper-zinc master alloy has simple processes, a low production cost and low zinc volatilization. The arsenic-copper-zinc master alloy obtained by the production method has good quality.

Description

technical field [0001] The invention relates to a copper alloy material and a production method thereof, in particular to an arsenic-copper-zinc master alloy and a production method thereof. Background technique [0002] Master alloy is a kind of alloy raw material that has been smelted, has qualified metallurgical quality and determined composition for further processing and preparation. Usually the host elements of the master alloy are identical to those of the further prepared alloy. For example, copper master alloy is an alloy formed of impurity elements and copper, which contains a high content of impurity elements. It is added as a dopant to copper alloys such as brass, bronze, and white copper to make the doping amount easy to control and more accurate. The quality of the alloy is ensured. [0003] At present, in the process of producing brass and bronze, it is often necessary to add zinc and arsenic elements at the same time, mainly by adding arsenic-copper master ...

Claims

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Application Information

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IPC IPC(8): C22C9/00C22C9/04C22C30/06C22C30/02C22C1/02
Inventor 凌晗刘衡山罗明成李斌段诚宁
Owner HUNAN SHUI KOU SHAN NONFERROUS METALS GRP
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