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Novel discharging base and mounting and using method

A new type of graphite base technology, applied in the field of new discharge base, can solve the problems of zinc oxide volatilization, increased metal loss, large copper water flow, etc., and achieve the effect of increased life and short life

Inactive Publication Date: 2019-10-08
ZHEJIANG KEYU METAL MATERIALS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are two types of discharge methods for horizontal continuous casting: submerged liquid and open flow. The method of submerged liquid discharge has a good working environment and is easy to operate. However, since the copper liquid directly enters the holding furnace, the flow of copper water is large, and the refining and degassing effects are not good. ; The copper liquid released in the open flow will turn up after passing through the discharge hole. At this time, the copper water is in contact with the atmosphere, and the exhaust refining effect is better. However, this discharge method is likely to cause a large amount of volatilization of zinc oxide, increase metal loss, and the life of the stopper rod is longer. short

Method used

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  • Novel discharging base and mounting and using method
  • Novel discharging base and mounting and using method

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Effect test

Embodiment 1

[0025] refer to Figure 1-3 , a new type of discharge base, including a graphite base 1, a refractory material lining 2 and a graphite slag retaining plate 3, the top of the graphite base 1 is covered with a refractory material lining 2 to protect the graphite base 1, and through the aluminum silicate The steel rod of the tapered sealing sleeve cooperates with it, and the side of the graphite base 1 is provided with a graphite slag retaining plate 3 to prevent large pieces of slag from entering the base channel and causing blockage of the base channel. The present invention uses a refractory material combined with the graphite base 1, thereby Avoid the oxidation of the graphite base 1, and then prolong the service life of the graphite base 1. The interior of the graphite base 1 is provided with an L-shaped hole 11, and the top of the vertical part of the L-shaped hole 11 communicates with the bowl-shaped hole A12 provided for For the circulation of high-temperature copper wate...

Embodiment 2

[0039] In the continuous casting 2# furnace group, the original base and the novel composite base of the present invention were used respectively, the original base was used for 7 days, and 17 stopper rods were used in total, and the new composite base was used for 45 days, and 3 stopper rods were used in total.

Embodiment 3

[0041] In the continuous casting 5# furnace group, the original base and the novel composite base of the present invention were used respectively, the original base was used for 5 days, and 24 stopper rods were used in total, and the new composite base was used for 118 days, and 1 stopper rod was used in total.

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Abstract

The invention discloses a novel discharging base and a mounting and using method. The novel discharging base comprises a graphite base, a refractory material liner base and a graphite slag baffle; therefractory material liner base covers the top of the graphite base to protect the graphite base; the graphite slag baffle is arranged on the side surface of the graphite base; an L-shaped hole is formed in the graphite base; the top end of the vertical part of the L-shaped hole intercommunicates with a formed bowl-shaped hole A; a through hole is also formed in the graphite base; the top of the through hole intercommunicates with a formed bowl-shaped hole B; and a circular hole A corresponding to the bowl-shaped hole A in a matched manner and a circular hole B corresponding to the bowl-shapedhole B in a matched manner are formed in the refractory material liner base. The graphite base of the novel discharging base is mounted in a smelting furnace; molten copper is discharged through a stopper rod in the smelting furnace, so that the service life of the stopper rod is short; and a copper running accident is caused easily. The stopper rod of the graphite base is designed and mounted outside the smelting furnace and is not in contact with the high-temperature molten copper, so that the service life is greatly prolonged.

Description

technical field [0001] The invention relates to a novel discharge base, in particular to a novel discharge base and an installation and use method. Background technique [0002] Due to the advantages of high yield, low energy consumption, and low labor intensity, horizontal continuous casting is rapidly popularizing and gradually replacing semi-continuous casting. At present, there are two types of discharge methods for horizontal continuous casting: submerged liquid and open flow. The method of submerged liquid discharge has a good working environment and is easy to operate. However, since the copper liquid directly enters the holding furnace, the flow of copper water is large, and the refining and degassing effects are not good. ; The copper liquid released in the open flow will turn up after passing through the discharge hole. At this time, the copper water is in contact with the atmosphere, and the exhaust refining effect is better. However, this discharge method is like...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/10B22D11/045
CPCB22D11/045B22D11/10
Inventor 朱学峰朱张泉姜少军丁家园李密罗剑文黄儒明
Owner ZHEJIANG KEYU METAL MATERIALS