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Method and device capable of producing multiple pieces of magnesium alloy cast sticks simultaneously

A magnesium alloy and rod casting technology, which is applied in the field of magnesium alloy casting, can solve problems such as pull marks, lower metallurgical quality of ingots, and low production efficiency

Inactive Publication Date: 2015-08-19
苏州有色金属研究院有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the use of vertical semi-continuous casting technology also has corresponding problems
First of all, because the magnesium alloy melt is easy to oxidize and burn, in order to facilitate the control operation, it can only be produced by single casting, resulting in low production efficiency; in addition, most of the commonly used refractory materials will chemically react with the magnesium alloy. Lead to slag hanging on the surface of the ingot, pull marks, and even enter the interior of the ingot, reducing the metallurgical quality of the ingot

Method used

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  • Method and device capable of producing multiple pieces of magnesium alloy cast sticks simultaneously
  • Method and device capable of producing multiple pieces of magnesium alloy cast sticks simultaneously
  • Method and device capable of producing multiple pieces of magnesium alloy cast sticks simultaneously

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Embodiment Construction

[0022] The specific implementation manners of the present invention will be further described below in conjunction with the accompanying drawings, so as to make the technical solution of the present invention easier to understand and grasp.

[0023] Such as figure 1 and figure 2 As shown, the device capable of simultaneously producing multiple magnesium alloy cast rods includes at least two crystallizers 1 , a steel frame 2 and a distribution tank 4 . The crystallizers 1 are all installed in the steel frame 2 . Each crystallizer 1 is paired with a dummy head. When in use, the dummy head is installed at the bottom of the crystallizer 1 and can rise to the inside of the crystallizer 1 . The top of each crystallizer 1 is equipped with a thermal insulation cap, and the thermal insulation cap exceeds the upper surface of the steel frame platform. The shunt trough 4 is installed on the steel frame 2 and is located between each crystallizer 1 . Such as image 3 As shown, the sh...

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Abstract

The invention discloses a method and a device capable of producing multiple pieces of magnesium alloy cast sticks simultaneously. The device comprises at least two crystallizers, a steel frame and a diversion channel. The crystallizers and the diversion channel are all installed on the steel frame. The diversion channel comprises a flow passage and a liquid accumulation pool. The diversion channel is communicated with each of the crystallizers through the flow passage. The method comprises the following steps: melting the magnesium alloy; lifting up each dummy bar head into the crystallizers, leading cold water in the crystallizers; preheating a fixture on the device; opening a protecting gas device, butt-jointing a diversion pipe of a melting furnace with the diversion channel, discharging the molten magnesium alloy; supplying the molten magnesium alloy simultaneously and stably into four crystallizers; finally, starting casting. The method and the device can product multiple pieces of magnesium sticks simultaneously, thereby increasing the production efficiency. The bottom of the diversion channel is provided with the liquid accumulation pool, thereby achieving an enclosed transmission of the molten magnesium alloy from the melting furnace to the diversion channel; and the diversion channel is provided with the protecting gas device for protecting the molten magnesium comprehensively and continuously during the casting process.

Description

technical field [0001] The invention belongs to the technical field of magnesium alloy casting, in particular to a device and method capable of simultaneously producing multiple magnesium alloy casting rods in the field of semi-continuous casting. Background technique [0002] Vertical semi-continuous casting is currently the main production method for preparing magnesium and other metal material ingots. Compared with the traditional die casting method, semi-continuous casting increases the crystallization speed of the molten metal, improves the uniformity of the ingot grain size, reduces the segregation of the composition area, improves the mechanical properties of the ingot, and facilitates the realization of mechanized operation. Increased production efficiency. [0003] However, there are also corresponding problems with vertical semi-continuous casting technology. First of all, because the magnesium alloy melt is easy to oxidize and burn, in order to facilitate the co...

Claims

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Application Information

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IPC IPC(8): B22D7/00B22D21/04
CPCB22D11/001B22D11/041B22D11/147
Inventor 李新涛陈琦长海博文刘金炎柳卫兵望运洲危少平
Owner 苏州有色金属研究院有限公司
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