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Processing method for preheating section spraying box and final cooling section spraying box

A processing method and technology of preheating section, applied in the field of processing and manufacturing of spray box, can solve the problems of nozzle flatness and welding deformation being difficult to control, inner welding seam not being able to be welded, and the height of spray box being low, etc.

Active Publication Date: 2019-10-29
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 for preheating section spraying box and final cooling section spraying box
  • Processing method for preheating section spraying box and final cooling section spraying box
  • Processing method for preheating section spraying box and final cooling section spraying box

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Embodiment Construction

[0032] The present invention will be explained below based on the embodiments shown in the drawings. The embodiment disclosed this time can be considered to be an illustration in all aspects and not restrictive. The scope of the present invention is not limited by the description of the following embodiments, but is shown only by the scope of the claims, and includes the same meaning and all modifications within the scope of the claims.

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

[0034] reference Figure 1 to Figure 3 As shown, the method for processing the spray box in the preheating section of the annealing furnace of the cold rolling vertical continuous rolling line and the galvanizing line of the present invention includes the following steps:

[0035] (1) Choose the material. Because the inherent stress of the original flat plat...

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Abstract

The invention discloses a processing method for a preheating section spraying box and a final cooling section spraying box. The processing method comprises the following steps that 1,materials are selected, and the materials are processed to form a nozzle plate, two outer side plates and a rear cover plate; 2, a plurality of nozzle plates are assembled to form a plurality of nozzles by adopting anassembling platform; 3, the nozzle plates and the outer side plates are welded for the first time after assembled, the nozzle plate is pressed by a balance weight in the welding process, and the outer side plates are fixed on the assembling platform; 4, the rear cover plate is assembled on the rear ends of the outer side plates; 5, the outer side plates and the nozzle plates are welded again, andthen welded from the middle to the front end and the rear end until the preheating section spraying box or the final cooling section spraying box is welded. According to the method, the precision andthe welding deformation of parts can be controlled, the size error of the parts is reduced, the equipment precision under the batch production condition is ensured, the repeatability is high, the quality is guaranteed, and the manufacturing speed can be better improved.

Description

Technical field [0001] The invention relates to a processing and manufacturing method of a spray box, in particular to a processing method of the spray box in the preheating section and the final cooling section of an annealing furnace of a cold rolling vertical continuous rolling unit and a galvanizing unit. Background technique [0002] The spray box of the preheating section and the final cooling section of the annealing furnace of the cold rolling vertical continuous rolling mill and the galvanizing mill are important equipment of the mill. The flatness of the nozzle and the size of the opening 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 welding seam cannot be welded by conventional methods. [0003] Therefore, how to design a spray box manufacturing metho...

Claims

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Application Information

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Patent Type & Authority Applications(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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