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Processing method of spray box in preheating section and final cooling section

A processing method and preheating section technology, applied in the field of spray box processing and manufacturing, can solve the problems of difficult control of nozzle flatness and welding deformation, inability to weld inner welds, low spray box height, etc., to achieve strong repeatability, The effect of high manufacturing precision and guaranteed quality

Active Publication Date: 2021-07-16
西马克工程(中国)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The length of the spray box is long, reaching more than 10m, and the flatness and welding deformation of the nozzle are difficult to control
The height of the spray box is low, and the inner seam cannot be welded by conventional methods

Method used

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  • Processing method of spray box in preheating section and final cooling section
  • Processing method of spray box in preheating section and final cooling section
  • Processing method of spray box in preheating section and final cooling section

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Embodiment Construction

[0032] The present invention will be described below according to the embodiments shown in the accompanying drawings. It can be thought that embodiment disclosed this time is an illustration in every point, and is not restrictive. The scope of the present invention is not limited by the description of the following embodiments but only by the scope of the claims, and includes the same meaning as the scope of the claims and all modifications within the scope of the claims.

[0033] The spray box processing method of the preheating section and the final cooling section of the present invention will be described below in conjunction with specific examples.

[0034] refer to Figure 1 to Figure 3 Shown, the cold-rolling vertical continuous annealing unit of the present invention and the galvanizing unit annealing furnace preheating section spray box processing method comprise the steps:

[0035] (1) Select the material, because the internal stress of the original flat plate is s...

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Abstract

The invention discloses a spray box processing method in the preheating section and the final cooling section, which includes: selecting materials, and processing the materials to produce a nozzle plate, two outer plates and a rear cover plate; using an assembly platform to install a plurality of nozzle plates to form A plurality of nozzles; after the nozzle plate and the outer plate are assembled, the first welding is carried out. During the welding process, a counterweight is used to press the nozzle plate, and the outer plate is fixed on the assembly platform; the rear cover plate is assembled At the rear end of the outer plate; weld the outer plate and the nozzle plate again, using the welding method from the middle to the front and rear ends, until it is welded into the spray box of the preheating section or the spray box of the final cooling section. The invention can not only control the precision and welding deformation of the parts, but also reduce the dimensional error of the parts and ensure the equipment precision under the condition of mass production. The method has strong repeatability and can better improve the production quality while ensuring the quality speed.

Description

technical field [0001] The invention relates to a method for processing and manufacturing a spray box, in particular to a method for processing a spray box in the preheating section and the final cooling section of an annealing furnace of a cold rolling vertical continuous annealing unit and a galvanizing unit. Background technique [0002] The spray box in the preheating section of the annealing furnace of the cold rolling vertical continuous annealing unit and the galvanizing unit and the spray box in the final cooling section are important equipment of the unit. The flatness and opening size of the nozzle are directly related to the preheating speed and cooling speed of the strip. The length of the spray box is long, reaching more than 10m, and the flatness and welding deformation of the nozzle are difficult to control. The height of the spray box is low, and the inner seam cannot be welded by conventional methods. [0003] Therefore, how to design a method for making sp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 杨有进
Owner 西马克工程(中国)有限公司
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