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Nozzle device

A nozzle device and nozzle technology, which are used in casting molten material containers, metal processing equipment, casting equipment, etc., can solve the problems of insufficient rigidity, inconvenience in manufacturing and production, and inability to smoothly cast, so as to improve cracks, improve rigid effect

Inactive Publication Date: 2015-09-16
CHINA STEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the molten steel is in a high temperature state, when the molten steel flows through the nozzle 12, the temperature of the nozzle 12 is relatively low and the molten steel is likely to solidify, making casting impossible.
And most of the support base 13 selects refractory material for use to avoid serious deformation, softening or fire caused by high temperature in the casting process. figure 2 The cracks or cracks shown are inconvenient in manufacturing, and it is extremely necessary to discuss and improve

Method used

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Embodiment Construction

[0012] see image 3 , which shows a preferred embodiment of the nozzle device of the present invention, the nozzle device is installed on the casting device 20, and the casting device 20 includes a crucible 21 for containing molten steel, a crucible 21 positioned below the crucible 21 and used to support the crucible 21 Support steel plate 22, be arranged on this crucible 21 and the insulating heat shield 23 between this support steel plate 22, a plurality of crucible pressure plates 24 for positioning this crucible 21 on this support steel plate 22, and a plurality of for this crucible 21 The crucible pressing plate 24 is locked to the elastic bolt 25 on the supporting steel plate 22 . The crucible 21 has a body 211 for containing molten steel, and an output port 212 disposed at the bottom of the body 211 . Position the crucible 21 on the insulation and heat shield 23 by means of the crucible pressure plate 24 and make it press down and connect or fix it on the support steel...

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Abstract

The invention provides a nozzle device mounted on a casting device. The casting device comprises a crucible for accommodating molten steel; and the crucible has a main body and an output port. The nozzle device comprises a support base, a nozzle arranged in the support base, and a first heating unit for heating the nozzle. The support base comprises a base body; and the base body has a stainless steel layer, and a first heat insulation layer positioned at the inner side of the stainless steel layer. The upper end of the nozzle is combined at the bottom of the main body, and is communicated with the output port. The first heating unit comprises two first heating pieces arranged in the base body at an interval and used for heating the nozzle. Therefore, the first heating pieces can heat the nozzle to prevent the molten steel from condensing when flowing through the nozzle; and the first heat insulation layer of the base body can effectively isolate high temperature, and fits the stainless steel layer to improve the whole rigidity, thereby improving cracks caused by high-temperature thermal shock.

Description

technical field [0001] The invention relates to a component of a casting equipment, in particular to a nozzle device. Background technique [0002] The iron and steel industry often needs to pass molten steel through a casting device to cast a thin strip billet, and then perform subsequent operations such as rolling and forming and making products. see figure 1 , the figure is an existing casting device 10, the casting device 10 includes a crucible 11 for containing molten steel, a nozzle 12 combined with the bottom of the crucible 11 and connected to the crucible 11, and a nozzle 12 for supporting the nozzle 12 and a support seat 13 that tightly combines the nozzle 12 and the crucible 11. During casting, the molten steel is poured into the crucible 11 first, the molten steel flows through the crucible 11 and flows into the nozzle 12, and then flows out from one end of the nozzle 12 and is cooled to form a thin steel billet. But because molten steel is in high temperature...

Claims

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Application Information

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IPC IPC(8): B22D41/60B22D41/56
Inventor 潘建男林冠儒吴崇勇江连桂李育成郑伊廷黃俊奎
Owner CHINA STEEL
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