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Vacuum consumable electric arc furnace melting station safety device

A technology of vacuum consumable arc and safety device, applied in furnace safety devices, furnaces, furnace components, etc., can solve problems such as poor reliability and instability of safety devices, and achieve the ability to prevent accidental lowering, reliable extension and retraction. Effect

Active Publication Date: 2021-06-11
XIAN JUNENG EQUIP TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a safety device for a melting station used in a vacuum consumable electric arc furnace to solve the problems of instability and poor reliability of the existing safety device, which has the characteristics of simple installation and operation, high safety factor and strong reliability

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  • Vacuum consumable electric arc furnace melting station safety device

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Embodiment Construction

[0019] The structure and working principle of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0020] see figure 1 , a melting station safety device for a vacuum consumable electric arc furnace, comprising a fixed (fixed on the ground by a bracket) vacuum furnace chamber 1 and a melting station 13 arranged at the lower end of the vacuum furnace chamber 1, the side wall of the melting station 13 is connected with A crossbar 4, a double-acting cylinder 2 is fixed on the upper surface of the crossbar 4 (the melting station can move up or down under the drive of the crossbar through the double-acting cylinder), and the upper part of the double-acting cylinder 2 is fixed;

[0021] A guide rail seat 6 is provided at the end of the cross bar 4, and the guide rail seat 6 is provided with a matching guide rail groove, so that the cross bar runs more smoothly up and down, and the contact with the pressure head of the valve ...

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Abstract

The invention relates to a vacuum consumable electric arc furnace melting station safety device. The device comprises a vacuum furnace chamber and a melting station connected with the vacuum furnace chamber, wherein a transverse rod is connected to the side wall of the melting station, a double-acting air cylinder is fixed to the upper surface of the transverse rod, a two-position four-way mechanical reversing valve and a double-shaft air cylinder are fixedly arranged over and under the end of the transverse rod respectively, the inlet end of the two-position four-way mechanical reversing valve is connected with a compressed air source, two outlets of the two-position four-way mechanical reversing valve are connected with the left ends of two dual-pressure valves correspondingly, the compressed air source is further connected with the inlet end of a two-position four-way electromagnetic directional valve, two outlets of the two-position four-way electromagnetic directional valve are connected with the right ends of the two dual-pressure valves correspondingly, and the two dual-pressure valves are connected with two quick exhaust valves correspondingly and are connected to the left end and the right end of the double-shaft air cylinder correspondingly. The device can solve the problems that an existing safety device is unstable and poor in reliability, and has the characteristics of being easy to install and operate, high in safety coefficient and high in reliability.

Description

technical field [0001] The invention belongs to the technical field of nonferrous metal smelting equipment, and in particular relates to a safety device for a melting station of a vacuum consumable electric arc furnace. Background technique [0002] Vacuum consumable arc furnace (VAR) is an important equipment for smelting metal copper and titanium and their alloys. Its main working principle is to melt the target metal in the vacuum chamber formed by the melting station and the furnace chamber and to melt the target metal in a vacuum. The process of cooling and crystallization is carried out under the state. For some small electric arc furnaces, the vacuum chamber is fixed, while the melting station moves up and down, and the sealing ring is used to realize the sealing between the two. In the actual operation process, the normal up and down movement of the melting station is manually operated, which is simple and easy; however, sometimes there will be unexpected gas and po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B9/21C22B15/14C22B34/12F27B3/08F27D21/00
CPCC22B9/20C22B15/006C22B34/1295F27B3/085F27D21/00F27D2021/0057Y02P10/20
Inventor 伊鹏张弛李江伟吴洁蓓王志杰李扬扬张蕾贾庆功张磊王锦群
Owner XIAN JUNENG EQUIP TECH CO LTD
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