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Maintenance method of insulation refractory material for horizontal beam of heating furnace

A technology for overhauling and maintaining horizontal beams, which is applied in the field of overhauling and maintaining horizontal beams for heating furnaces. It can solve the problems of high maintenance costs and long maintenance times for horizontal beams for heat-insulating and refractory materials, reducing labor costs and reducing spare parts costs. Effect

Active Publication Date: 2014-09-10
SHANXI TAIGANG STAINLESS STEEL CO LTD
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] The present invention aims to provide a method for overhauling and maintaining the heat-insulating and refractory material of the horizontal beam used for supporting the slab of the heating furnace that can meet the requirements of users, and solves the problems of long maintenance time and high maintenance cost of the heat-insulating and refractory material of the horizontal beam of the walking heating furnace. Significant economic benefits

Method used

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  • Maintenance method of insulation refractory material for horizontal beam of heating furnace
  • Maintenance method of insulation refractory material for horizontal beam of heating furnace
  • Maintenance method of insulation refractory material for horizontal beam of heating furnace

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Embodiment

[0029] The specific implementation method is:

[0030] (1) Preparation of spare parts and preparation of materials:

[0031] According to the preparations before the repair and repair of the horizontal beam insulation and refractory materials of the hot-rolled walking heating furnace: the equipment that needs to be manufactured is:

[0032] 1) Y-shaped anchor hook, such as figure 1 as shown,

[0033] The Y-type anchor hook is made of round steel with a diameter of 10mm, and the material is Cr25Ni20; the Y-type split angle is 75°±5°. The three different sizes are:

[0034]

[0035] Among them, the height dimension accuracy is ≤±1mm, and the unevenness is ≤1mm.

[0036] 2) The materials required for procurement are: directly purchased plastic repair materials, stainless steel welding rods, and 20mm thick high-aluminum fiber felt.

[0037] Among them, the plastic repair material is high-aluminum plastic AL78, and its performance meets the material standard GB / T6900-1986....

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Abstract

The invention discloses a maintenance method of insulation refractory material for a horizontal beam of a heating furnace and belongs to the technical field of maintenance of steel rolling heating furnaces. The maintenance method includes: 1, preparing before the maintenance of the insulation refractory material for the horizontal beam of the heating furnace; 2, maintaining the insulation refractory material for the horizontal beam of the heating furnace. By the use of the maintenance method, the defects that the damaged insulation refractory material on the upper portion of the traditional horizontal beam of the metallurgical step heating furnace needs long field maintenance time, replacement is difficult and maintenance cost is high are overcome. The maintenance method has the advantages that the construction time can be shortened to half of the original time on the premise of meeting users' needs, maintenance cost can be reduced to less than one third of the original cost, maintenance cost can be reduced and maintenance construction time can be greatly shortened on the premise of guaranteeing the service life by the use of the maintenance technique of the damaged insulation refractory material on the upper portion of the horizontal beam, and economic benefit is significant.

Description

technical field [0001] The invention relates to a method for overhauling and maintaining heat-insulating and refractory materials of a horizontal beam of a heating furnace, and belongs to the technical field of overhauling a steel-rolling heating furnace. Background technique [0002] The water-cooled beam for transporting the slab in the walking heating furnace for metallurgy is composed of a horizontal beam and a column. The walking beam repeatedly moves on a rectangular track to transport the slab from the charging end to the discharging end. The horizontal beam of the water-cooled beam of the walking heating furnace is composed of numerous heat-resistant pads installed on the thick leather tube, and the water beam supports the slab through the heat-resistant pads. During the current running process, the heat insulation and refractory material on the upper part of the horizontal beam thick leather tube is worn and damaged by the slab during operation, resulting in the exp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27D1/16
Inventor 杨福瑞
Owner SHANXI TAIGANG STAINLESS STEEL CO LTD
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