Device and method for semi-continuous casting of magnesium alloy sacrificial anode
A sacrificial anode and magnesium alloy technology, which is applied in the field of semi-continuous casting preparation devices for magnesium alloy sacrificial anodes, can solve the problems of poor electrical protection performance, low production efficiency, and shortened service life, and achieve stable electrochemical performance and improved production efficiency , The effect of improving the working environment
Active Publication Date: 2015-04-15
ZHEJIANG YUXI CORROSION CONTROL CORP
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Problems solved by technology
Because this preparation method is through natural cooling, the cooling rate is slow. First, it will lead to coarse grains of the magnesium alloy sacrificial anode, poor electrical protection performance, and shortened service life. If subsequent heat treatment is used to improve the performance of the anode, it will be greatly improved. Increase energy consumption and increase cost; secondly, due to the long cooling time of the anode and intermittent production, the production efficiency is low; moreover, more molds are required in production, and each specification of anode must be equipped with multiple molds, which requires a large investment. high cost
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[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to the following specific embodiments.
[0021] As shown in the figure: a semi-continuous casting preparation device for a magnesium alloy sacrificial anode, which includes a crystallizer, a lifting device 1 that can be lifted into the crystallizer, and a plurality of pieces for dividing the magnesium alloy melt into specific lengths when it is solidified Blocking block 3, the crystallizer includes an inner bag 4 and a shell 5, the inner bag 4 constitutes a vertical through hole 6 for preparing a magnesium alloy sacrificial anode semi-finished product, and a supply hole is provided between the inner bag 4 and the outer shell 5 A cavity 7 through which cooling water flows, and the shell 5 is provided with a plurality of water inlet holes 8 for cooling water to flow into the cavity 7, and a hole for cooling w...
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The invention relates to the preparation field of sacrificial anodes, in particular to a device and method for semi-continuous casting of a magnesium alloy sacrificial anode, which comprise a semi-continuous casting preparation device and semi-continuous casting preparation method for preparing the magnesium alloy sacrificial anode by virtue of the device.. The device for preparing the magnesium alloy sacrificial anode is high in production efficiency and low in cost, and can prepare a product with improved electrochemistry performance and prolonged service life.
Description
technical field [0001] The invention relates to the field of sacrificial anode preparation, in particular to a semi-continuous casting preparation device and method for a magnesium alloy sacrificial anode. Background technique [0002] The cathodic protection method of sacrificial anode is a method to prevent metal corrosion. The metal with strong reducibility is used as the protective electrode and connected with the metal to be protected to form a primary battery. The metal with strong reducibility is used as the negative electrode to undergo oxidation reaction and be consumed The protected metal acts as the positive electrode to avoid corrosion. Because this method sacrifices the anode (the negative pole of the primary battery) to protect the cathode, it is called the sacrificial anode (cathode of the primary battery) protection method, and the consumed component becomes the sacrificial anode. [0003] Sacrificial anodes have a wide range of applications. For example, ma...
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IPC IPC(8): B22D11/00C23F13/08
Inventor 刘胜利梁云欧如杰骆忠江汤仲形
Owner ZHEJIANG YUXI CORROSION CONTROL CORP