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Aluminum ingot melting furnace graphite plate connection rod

A melting furnace and graphite plate technology, applied in furnaces, crucible furnaces, furnace types, etc., can solve the problems of delayed production, time-consuming replacement of graphite rods, and scrapping, etc., to achieve the effect of improving service life and ensuring strength

Inactive Publication Date: 2013-03-27
KINGHWA TOPTRUE WHEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the long graphite rods inserted into the aluminum liquid, the force is large and the speed is fast, the graphite rods are often broken and scrapped. On average, one to two graphite rods are scrapped a week. It is time-consuming to replace the graphite rods, and production is delayed, and the use and maintenance costs are relatively high. Big

Method used

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  • Aluminum ingot melting furnace graphite plate connection rod

Examples

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Embodiment Construction

[0007] figure 1 Shown in is a specific embodiment of the present invention. The connecting rod of the graphite disc of the aluminum ingot melting furnace of the present invention includes a shaft 1, and a protective sleeve 2 is installed on the outer surface of the shaft 1. A clearance fit is adopted between the inner hole of the protective sleeve 2 and the outer circle of the shaft 1 . Shaft 1 is a stepped shaft with an external thread at both ends, and the material used is No. 45 steel. The protective cover 2 has a circular tubular structure, and the material used is silicon carbide.

[0008] When in use, the lower end of the shaft 1 is connected to the graphite disc 3 through threads, and the upper end of the shaft 1 is connected to the autorotation machine through threads.

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Abstract

The invention discloses an aluminum ingot melting furnace graphite plate connection rod which is composed of a shaft (1) and a protection sleeve (2). The aluminum ingot melting furnace graphite plate connection rod comprises the shaft (1), and the protection sleeve (2) is arranged on the surface of an excircle of the shaft (1). An inner hole of the protection sleeve (2) is in clearance fit with the excircle of the shaft (1). The shaft (1) is a stepped shaft, and an outer thread made of No.45 steel is respectively arranged at two ends of the shaft (1). The protection sleeve (2) is of a circular tube structure and is made of silicon carbide. The aluminum ingot melting furnace graphite plate connection rod is simple in structure, safe, reliable, little in maintenance amount, low in cost and long in service life.

Description

Technical field: [0001] The invention relates to a graphite disk connecting rod, in particular to a graphite disk connecting rod for an aluminum ingot melting furnace. Background technique: [0002] The existing graphite plate connecting rod of the aluminum ingot melting furnace adopts an all-graphite connecting rod, and the nitrogen or argon gas blown into the aluminum melt is broken into a large number of dispersed bubbles by the rotating graphite rod, and dispersed in the molten metal , The bubbles in the melt use the gas partial pressure difference and surface adsorption to absorb hydrogen in the melt, adsorb oxidized slag, and are taken out of the melt surface as the bubbles rise to purify the melt. Due to the long graphite rods inserted into the aluminum liquid, the force is large and the speed is fast, the graphite rods are often broken and scrapped. On average, one to two graphite rods are scrapped a week. It is time-consuming to replace the graphite rods, and produc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B14/08
Inventor 苏丹
Owner KINGHWA TOPTRUE WHEEL
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