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Water-cooling roller of normalizing furnace

A technology of water-cooled rollers and normalizing furnaces, applied in furnaces, heat treatment furnaces, furnace types, etc., can solve problems such as furnace roll bending, achieve the effects of eliminating axial bending, prolonging service life, and improving temperature difference

Inactive Publication Date: 2011-02-16
无锡晶瑜智能机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art, carry out a thorough transformation of the water-cooling structure, and solve the furnace roll bending problem once and for all

Method used

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  • Water-cooling roller of normalizing furnace
  • Water-cooling roller of normalizing furnace

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0013] Such as figure 1 As shown, the water-cooled roll of the normalizing furnace includes a hollow shaft 1 and a roller sleeve 5 sleeved on the outer ring of the hollow shaft 1. A rotary joint 10 is arranged at one end of the hollow shaft 1, and the other end of the hollow shaft 1 is a shaft head 8; A helical guide blade 9 is arranged inside the hollow shaft 1 .

[0014] A cavity is formed between the roller cover 5 and the hollow shaft 1, and the cavity is filled with ceramic heat insulating material. The first end plate 3 and the fourth end plate 7 are arranged at both ends of the roller sleeve 5 respectively; a key 2 is arranged between the first end plate 3 and the hollow shaft 1 to fix the first end plate 3; A second end plate 4 is disposed on one side of the first end plate 3 in the cavity; a third end plate 6 is disposed on one side of the fourth end...

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Abstract

The invention relates to the equipment of a normalizing furnace used in steel rolling production, in particular to a water-cooling roller of a normalizing furnace. According to the technical scheme of the invention, the water-cooling roller of the normalizing furnace comprises a hollow shaft and a roller sleeve, the roller sleeve is sleeved on the outer ring of the middle part of the hollow shaft, one end of the hollow shaft is provided with a swivel joint, and the other end of the hollow shaft is provided with a shaft head. The water-cooling roller is characterized in that the hollow shaft is internally provided with spiral guide blades. The invention has the advantages that the hollow shaft is internally provided with the spiral guide blades so that the disorder water flow is forced to be in an orderly and uniform process, and cooling water fully contacts the inner surface of the hollow shaft, therefore, the temperature difference of water flowing through the local inner section of the hollow shaft is effectively improved, axial bending caused by the radial temperature difference is completely eliminated, and the service life of a furnace roller is prolonged.

Description

technical field [0001] The invention relates to equipment of a normalizing furnace in steel rolling production, in particular to a water-cooled roll of the normalizing furnace. Background technique [0002] Normalizing furnace water-cooled rolls are mainly used in heat treatment furnaces for stainless steel medium and thick plates. The furnace roller is made of high-nickel and chromium heat-resistant steel, and it has been at high temperature (above 1200°) for a long time to convey medium-thick stainless steel plates. Due to harsh working conditions and high thermal strength requirements, the roll body is prone to bending and other defects, which affect the stability of the steel plate conveying in the furnace and vicious accidents that hit the furnace wall occur from time to time. In particular, the problem of roll bending in the medium and high temperature heating section is not uncommon, and the proportion of scrap due to bending of furnace rolls is quite high. [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/00
Inventor 赵军
Owner 无锡晶瑜智能机械有限公司
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