Blast furnace top steel ring mounting structure and mounting method thereof

A technology of installation structure and furnace top steel ring, which is applied in blast furnace, blast furnace details, blast furnace parts and other directions, can solve the problem that the installation quality and accuracy of furnace top steel ring cannot be effectively guaranteed, and can improve the installation quality and accuracy and ensure welding. quality, the effect of increasing the installation accuracy

Inactive Publication Date: 2015-12-02
上海宝钢工程咨询有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the prior art, the installation of the entire roof steel ring is generally completed through the common welding process on site after the furnace roof steel ring and the furnace shell are assembled and a

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  • Blast furnace top steel ring mounting structure and mounting method thereof
  • Blast furnace top steel ring mounting structure and mounting method thereof

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[0024] The installation structure and installation method of the blast furnace top steel ring provided by the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. According to the following description and claims, the advantages and features of the present invention will be clearer. It should be noted that the drawings all adopt a very simplified form and all use imprecise ratios, which are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0025] The core idea of ​​the present invention is to provide a blast furnace roof steel ring installation structure and an installation method thereof. By increasing the positioning ribs, the installation position positioning work of the furnace roof steel ring after the hoisting is completed is realized. The front, middle, and rear multiple levelness and elevation inspections increase the installatio...

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Abstract

The invention provides a blast furnace top steel ring mounting structure and a mounting method thereof. According to the invention, the effect that a furnace top steel ring is positioned in a mounting position after being lifted is realized by increasing positioning rib plates, the mounting accuracy of the furnace top steel ring is improved through levelness and elevation detection before, in and after a mounting process for multiple times, and welding quality of the furnace top steel ring is ensured by main welding seam welding area preheating and a symmetry welding process, therefore, the mounting quality and mounting accuracy of the whole blast furnace top steel ring are improved.

Description

technical field [0001] The invention relates to the field of installation of blast furnace top charging equipment, in particular to a blast furnace top steel ring installation structure and an installation method thereof. Background technique [0002] Furnace top steel ring is the basis for the installation of furnace top charging equipment. The level error is ≤3mm according to the metallurgical engineering construction standard, and the elevation is ±20mm according to the metallurgical engineering construction standard. It directly affects the working condition and service life of the furnace top charging equipment, so the installation accuracy is the key to the installation and construction of the blast furnace top equipment. In the prior art, the installation of the entire roof steel ring is generally completed through the common welding process on site after the furnace roof steel ring and the furnace shell are assembled and adjusted, and there is no specific welding pro...

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Application Information

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IPC IPC(8): C21B7/00
Inventor 王毅巍
Owner 上海宝钢工程咨询有限公司
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