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Construction method for controlling gap between upper nozzle and upper sliding plate of tundish

A construction method and tundish technology, applied in the direction of manufacturing tools, metal processing equipment, casting melt containers, etc., can solve the problems of steel leakage and malignant leakage of the sliding plate mechanism, so as to avoid steel leakage, ensure smooth production, and ensure use. safe effect

Pending Publication Date: 2021-11-23
MCC BAOSTEEL TECH SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the gap between the upper slide plate and the upper nozzle will be affected by factors such as installation technology and operation methods. If the gap between the upper slide plate and the upper nozzle exceeds the standard, it will cause steel leakage of the slide plate mechanism, and in severe cases, malignant steel leakage events will occur

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  • Construction method for controlling gap between upper nozzle and upper sliding plate of tundish
  • Construction method for controlling gap between upper nozzle and upper sliding plate of tundish
  • Construction method for controlling gap between upper nozzle and upper sliding plate of tundish

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Embodiment Construction

[0047] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0048] It should be noted that the structures, proportions, sizes, etc. drawn in the drawings of this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present invention. Therefore, there is no technical substantive meaning, and any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the disclosure of the present invention without affecting the functions and objectives of the present invention. within the scope of technical content. At the same time, terms such as "upper", "lo...

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Abstract

The invention provides a construction method for controlling a gap between an upper nozzle and an upper sliding plate of a tundish. The construction method sequentially comprises the following steps: fixedly mounting an upper nozzle backing ring at a nozzle part of the tundish; fixedly mounting an upper nozzle in the upper nozzle backing ring; fixedly mounting a sliding plate mechanism at the lower end of the upper nozzle; verifying whether an actual gap between the upper nozzle and the upper sliding plate exceeds a standard gap by using a gap measuring tool, wherein the gap measuring tool is provided with a crochet hook part, and the diameter of the crochet hook part is the maximum value of the standard gap between the upper nozzle and the upper sliding plate; verifying that the actual gap between the upper nozzle and the upper sliding plate reaches the standard if the crochet hook part cannot be inserted between the upper nozzle and the upper sliding plate; and verifying that the actual gap between the upper nozzle and the upper sliding plate exceeds the standard if the crochet hook part can be inserted between the upper nozzle and the upper sliding plate, and dismounting a lower sliding plate mechanism and remounting the lower sliding plate mechanism until the actual gap between the upper nozzle and the upper sliding plate reaches the standard. The construction method can ensure that the gap between the upper sliding plate and the upper nozzle meets the standard requirement; and smooth production of the continuous casting tundish is guaranteed.

Description

technical field [0001] The invention relates to the field of installation and construction of an upper nozzle and a sliding plate mechanism of a tundish for iron and steel metallurgy continuous casting, in particular to a construction method for controlling the gap between an upper nozzle and an upper sliding plate of a tundish. Background technique [0002] The continuous casting tundish is provided with an upper nozzle at the nozzle and a steel flow control mechanism arranged at the lower end of the upper nozzle. The steel flow control mechanism is usually a slide mechanism or a stopper mechanism, among which the slide mechanism is a widely used flow control mechanism and has the characteristics of easy operation. [0003] Further, the slider mechanism includes an upper slider, a middle slider, and a lower slider arranged in sequence from top to bottom. The upper slider, the middle slider, and the lower slider are all fixed by the mechanism frame. The upper slider matches ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D41/34B22D41/50
CPCB22D41/34B22D41/50
Inventor 刘锦荣吴鹤陈涛王进忠
Owner MCC BAOSTEEL TECH SERVICE
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