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A process equipment of magnesium alloy plate belt and technics

A magnesium alloy plate and processing equipment technology, which is applied in metal processing equipment, lighting and heating equipment, metal rolling, etc., can solve the problems that cannot meet the needs of industrial applications, and has not developed casting and rolling equipment for magnesium alloys. The effect of production process, reduction of production cost and improvement of product yield

Inactive Publication Date: 2008-04-09
苏州有色金属研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the current domestic magnesium alloy strip casting and rolling technology is still in the initial stage of research and development and simulation experiments. The main equipment of magnesium alloy casting and rolling is borrowed from aluminum alloy casting and rolling machines. Distributor), the casting and rolling process is still in the development stage, and cannot meet the needs of industrial applications

Method used

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  • A process equipment of magnesium alloy plate belt and technics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] After the AZ31 magnesium alloy ingot is preheated, it is put into a 100kg resistance melting furnace 1, and when the temperature reaches 300°C, the mixed gas is fed through the mixed gas supply equipment to prevent the magnesium alloy melt from oxidizing and burning, and continue to heat up. When the temperature reaches 700°C, carry out stirring and refining, ventilate and blow slag, and let it stand for 10 minutes. Under the protective atmosphere, the magnesium alloy liquid is transported to the front box 4 through the launder 2, and the magnesium alloy liquid is kept at a constant temperature (600-800 °C) in the front box 4. ℃) and control the relatively constant liquid level height of the magnesium alloy liquid flowing into the casting roll, which is 4-6 cm higher than the center line. The magnesium alloy liquid enters the casting nozzle 5 at the same temperature, and the lip height of the liquid outlet end of the casting nozzle 5 is 2.5 mm. , the length of the castin...

Embodiment 2

[0049] After the AZ31 magnesium alloy ingot is preheated, it is put into a 500kg electric resistance melting furnace 1. When the temperature reaches 450-500°C, the mixed gas is fed into the mixed gas supply equipment to prevent the magnesium alloy melt from oxidizing and burning, and continue to heat up. When the temperature reaches 680°C, carry out stirring and refining, ventilate and blow slag, and let it stand for 20 minutes. Under the protective atmosphere, the magnesium alloy liquid is then transported to the front box 4 through the launder 2. The launder 2 and the front box 4 are sealed and vertical. placed, the front box is provided with a melt temperature and a float type liquid level controller 3 to maintain a constant temperature of the magnesium alloy liquid (600-800°C) and to control a relatively constant liquid level of the magnesium alloy liquid flowing into the casting roll. At the centerline 3-5cm, the magnesium alloy liquid enters the casting nozzle 5 at the sa...

Embodiment 3

[0051] After the AZ31 magnesium alloy ingot is preheated, it is put into a 1000kg resistance melting furnace 1. The material of the crucible is 5% to 20% manganese steel. 6 +CO 2 +The mixed gas of dry air is used for protection to prevent the magnesium alloy melt from oxidizing and burning, and to continue to heat up. When the temperature reaches 500°C, carry out stirring and refining, ventilate and blow slag and let it stand for 30 minutes. Under the protective atmosphere, the magnesium alloy liquid is then transported to the front box 4 through the launder 2. The launder and the front box are sealed and placed vertically up and down. In the front box, there are melt temperature and float type liquid level controllers 3 to keep the magnesium alloy liquid at a constant temperature (600-800°C) and to control the relatively constant liquid level of the magnesium alloy liquid flowing into the casting roll, which is higher than the center Line 2 ~ 4cm, magnesium alloy liquid ente...

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Abstract

The invention relates to a magnesium alloy strip processing equipment. A smelting furnace, a launder and a front box are sealed type structures. A heating device, a temperature controlling device and a metal fluid level height controller are arranged in the front box, the launder and the front box are vertically arranged, the electric resistance heating smelting furnace is matched with a crucible made of five percent to twenty percent of manganese steel. A slight alkaline coating or a plurality of pieces of graphite paper are painted or stuck in the launder, the front box and the casting nozzle. A level type twin-roller caster is equipped with an internal cooling type roller and adopts a cooling water cycle channel with one inlet opening and four outlet openings, the shape type of the roller is of a convex roller, and the convex degree is 0.15 to 0.3mm. Protective gas is adopted in the smelting process, the delivering process of the magnesium alloy and the casting-rolling process of the liquid magnesium alloy. The thickness of the liquid outlet end lip of the casting nozzle, the length of a casting-rolling region and the surface temperature of the casting-rolling roller are respectively and strictly controlled in the ranges of 2.5 to 3.5mm, 30 to 45mm and 80 to 120 degrees centigrade. The invention saves the processes of face milling, crank detection, homogenizing annealing, saw cutting and heating, etc., achieves the organic unification of casting, rough rolling and finish rolling, shortens the production flow, and reduces the cost of production.

Description

[0001] Inventors (Weng Wenpin, Yu Minggao, Dou Baojie, Liu Guojin, Chen Qi, Zheng Wensheng, Zhong Hao) technical field [0002] The invention relates to equipment and technology for processing magnesium alloy strips, belonging to the technical field of nonferrous metal processing. Background technique [0003] Magnesium and magnesium alloys have the advantages of low density, high specific strength and specific stiffness, strong vibration damping, electromagnetic shielding and radiation resistance, easy cutting and processing, and easy recycling. They are used in automobiles, electronics, electrical appliances, transportation, aerospace, aviation and national defense. The field of military industry has important application value and broad application prospects, and is known as the green engineering material of the 21st century. With the depletion of many metal mineral resources, magnesium has been paid more and more attention due to its rich resources. In recent years, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B13/22C22C1/02F27B14/10B21B27/08B21B27/02B21B37/74B21B1/46B21B37/00B21B9/00
Inventor 翁文凭余铭皋窦保杰刘国金陈琦郑文胜钟皓
Owner 苏州有色金属研究院有限公司
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