Converter bearing electric heating oil bath assembly method

An assembly method and bearing technology, which is applied in the manufacture of converters, etc., can solve the problems of uneven temperature and uneven heating, and achieve the effect of low site requirements, uniform heating, and low assembly cost

Inactive Publication Date: 2017-05-24
CHINA MCC17 GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the shortcomings in the prior art, and propose a method for assembling the electric heating oil bath of the converter

Method used

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  • Converter bearing electric heating oil bath assembly method
  • Converter bearing electric heating oil bath assembly method
  • Converter bearing electric heating oil bath assembly method

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[0026] Example

[0027] The converter bearing electric heating oil bath assembly method proposed by the present invention includes three major processes of construction preparation, heating and hoisting and accessory installation;

[0028] It includes the following steps:

[0029] S1. The heating vessel 7 is made. The heating vessel 7 is composed of vessel wall 1, vessel bottom 2, vessel legs 3, bottom plate reinforcement 4, heating sheet 5 and thermal insulation cotton 6. The vessel wall 1 is made of a δ12mm thick steel plate coil A round pipe with a diameter of φ2000mm and a height of 1m; the bottom 2 of the vessel is welded and connected with a δ12mm thick steel plate and the vessel wall 1; the leg 3 of the vessel is made of H350 section steel with a height of 200mm; the bottom reinforcement 4 is made of 16# channel steel It is formed by spot welding with the bottom of the vessel. The internal welding seam of the heating vessel 7 is polished, and the interior of the heating vesse...

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Abstract

The invention belongs to the technical field of building installation, in particular to a converter bearing electric heating oil bath assembly method, and solves such problems as nonuniform heating and nonuniform temperature in field installation of converter bearings in the prior art. The assembly method comprises three procedures of construction preparation, heating and lifting, and accessory installation; a bearing is lifted into a heating container; and after oil for heating is heated to reach a requested temperature by a heating device, the installation can be performed. The converter bearing electric heating oil bath assembly method is suitable for field installation of large bearings, and is small in occupied field and low in field requirement; and used equipment is simple in structure, easy to operate, precise in temperature rise control, fast in installation, high in efficiency, low in assembly cost, high in practicability, capable of being suitable for heat assembly of all steel refining converter bearings and broad in application prospect.

Description

technical field [0001] The invention relates to the technical field of building installation, in particular to an assembly method of an electric heating oil bath for a converter bearing. Background technique [0002] In recent years, the proportion of my country's converter steel output in the total crude steel output has been increasing. In 2003, my country's converter steel ratio was 82.4%. By 2013, this proportion had increased to 93%. The ratio is basically maintained at an average level of 7:3, and converter steelmaking is the most important method of steelmaking today. The installation of modern large-scale converters, especially the assembly of the support ring trunnion and the bearing, needs to be carried out on site, and the matching method is interference fit. From a practical point of view, the assembly forms of bearings include cold assembly, hot assembly and hydraulic assembly method, of which the cold assembly method is only suitable for assembly with small dia...

Claims

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Application Information

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IPC IPC(8): C21C5/46
CPCC21C5/464
Inventor 孔炯周金龙金仁才施光涛徐峥吴梦菊朱道付
Owner CHINA MCC17 GRP
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