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Sealing device for inlet of continuous annealing furnace

The technology of continuous annealing furnace and sealing device is applied in the field of cold rolling, which can solve the problems of affecting the surface quality of strip steel and poor sealing effect, and achieve the effect of simple structure, good sealing performance and good sealing effect.

Inactive Publication Date: 2017-03-22
BEIJING SHOUGANG INT ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a sealing device at the entrance of a continuous annealing furnace, which solves the problem of poor sealing effect in the current technology and affects the surface quality of the strip steel

Method used

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  • Sealing device for inlet of continuous annealing furnace
  • Sealing device for inlet of continuous annealing furnace

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Embodiment 1

[0018] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.

[0019] A sealing device at the entrance of a continuous annealing furnace, comprising a furnace shell 1, an upper furnace door 2, an upper sealing roller 3, a furnace door lifting device 4, a lower furnace door 5, a lower sealing roller 6, a backing plate 7, and an inner furnace roller 8 , Flat plate 9, sealing curtain 10, sealing box 11, baffle bracket 12, connecting rod 13 and baffle lifting device 14. The end face of the furnace shell 1 is welded with a flange, the flange is connected to the backing plate 7 through bolts, the upper furnace door 2 is connected to the backing plate 7 through bolts, and the bolts on the bottom plate of the backing plate 7 are adjustment bolts for adjustment and positioning; the upper seal The roller 3 is connected with the upper furnace door 2 through bearings to form a whole, and the upper sealing roller ...

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Abstract

The invention discloses a sealing device for an inlet of a continuous annealing furnace, and belongs to the technical field of cold rolling. The sealing device comprises a furnace shell, an upper furnace door, an upper sealing roller, a furnace door lifting device, a lower furnace door, a lower sealing roller, a base plate, an in-furnace roller, a flat plate, a sealing curtain, a sealing box, a baffle plate bracket, a connecting rod and a baffle plate lifting device. The end surface flange of the furnace shell and the upper furnace door are separately connected with the base plate through bolts; the angle of inclination of the flange is 5-7 degrees; the lower sealing roller is connected with the lower furnace door through a bearing; the sealing box is mounted on the top of the furnace shell; and the connecting rod is connected with the baffle plate lifting device through a connector. The sealing device has the advantages of being simple in structure, low in cost, good in sealing property, safe and reliable.

Description

technical field [0001] The invention belongs to the technical field of cold rolling, in particular to a sealing device at the entrance of a continuous annealing furnace. In particular, it relates to a sealing device for the entrance of a continuous annealing furnace. Background technique [0002] In order to meet the requirements of customers for the internal structure and performance of strip steel, steel mills generally use annealing furnaces to anneal coils, especially continuous annealing units, which have been adopted by most cold annealing units due to their short production cycle and high product quality. Rolling mills use. In such a continuous annealing furnace unit production line, in order to ensure the stability of the gas composition in the furnace, the production personnel often use sealing rollers to seal the furnace entrance at the entrance of the annealing furnace. Because there is a certain gap between the sealing roller and the steel strip, the protective...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/56
CPCC21D9/565
Inventor 江波苗为人陈迪安李洪斌解长举王惠家蹇军强汪小龙刘燕燕刘学民陈国海李文王睿昊吴小冬程杨张元福
Owner BEIJING SHOUGANG INT ENG TECH
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