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Description of advantages and disadvantages of die-cast zinc alloy
作者: 【原创】 阅读 Time: 2019-02-27 Author: http: // read the [original]

是一种生活中很常见的合金类金属,这个种合金按照工艺不同可分为铸造锌合金与变形锌合金,其中包含的元素主要有铝、铜、镁、镉、铅、钛等低温金属。 Zinc alloy is a very common alloy metal in life. This alloy can be divided into cast zinc alloy and deformed zinc alloy according to different processes. The elements contained in it are mainly aluminum, copper, magnesium, cadmium, lead, titanium and other low temperature. metal.

Although the new process of melting the alloy takes about one time longer than the conventional two-step melting method, the alloy's melting loss has not been added much, and because the old process has a high-temperature melting copper link, the total energy consumption of the preparation process is slightly higher than New processes or both are fundamentally equal. Repeated tests have determined that the total melt loss rates of the new and old processes are about 1.35% and 1.12%, respectively. Based on this, the metal loss cost of the two processes in alloy production can be calculated. The new process has certain economic advantages. Obviously, when the annual output of the alloy reaches 10,000 tons, the new process can save about 189,000 yuan in annual costs compared with the old process.

1. Die-cast zinc alloys have been developed in wet-process zinc smelting enterprises to avoid secondary remelting of zinc ingots, which is conducive to saving energy and reducing alloy production costs.

2. The new process uses the alloy melting of copper in the zinc melt, so it can complete direct smelting at low temperature. This method overcomes the lack of the conventional two-step smelting method, and is economical, convenient and practical.

3.It is advisable to choose a power-frequency coreless induction electric furnace for alloy production, because the furnace has good sealing performance, and can be covered with little or no charcoal during the process, and the automatic stirring of the melt can make the alloy composition uniform and slag-forming Good, and can reduce labor intensity and facilitate operation.

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