Processing process and coating device for colored steel strip

A processing technology and a technology for steel strips, which are applied in the processing technology and coating device field of color steel strips, can solve the problem of steel strips not being easily oxidized, and achieve the effects of protecting the surface of steel strips, reducing oxygen content and eliminating surface stress.

Inactive Publication Date: 2020-06-30
富阳双龙防火门有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem mainly solved by the present invention is to allow the gas to adhere to the surface of the steel strip that has been cleaned of surface stains by introducing the air blowing process, which helps to protect the surface of the steel strip and makes the steel strip difficult to oxidize in the subsequent heating and drying process

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  • Processing process and coating device for colored steel strip
  • Processing process and coating device for colored steel strip

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Embodiment Construction

[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0052] Reference herein to "one embodiment" or "an embodiment" refers to a particular feature, structure or characteristic that can be included in at least one implementation of the present invention. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom" etc. is based on the orientation or positional relationship shown in the drawings, and i...

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Abstract

The invention relates to a processing process and a coating device for a colored steel strip. The processing process for the colored steel strip comprises the following steps: continuously obtaining ato-be-processed steel strip; cleaning surface dirt of the to-be-processed steel strip in a hot water dirt-removal process; blowing gas to the steel strip with surface dirt cleaned in a gas-blowing process; heating and drying the cooled steel strip in a heating drying process; coating paint on at least one surface of the dried steel strip in a paint coating process; and drying and curing the painton the steel strip in a baking process; cooling the steel strip with paint dried in a cooling rolling process, and rolling and retracting the cooled steels trip. The gas-blowing process can be introduced to reduce the temperature of the steel strip, so that surface stress of the steel strip is favorably eliminated; and gas is adhered on the surface of the steel strip, so that oxygen content of the steel strip surface is favorably reduced, and therefore, the steel strip is not liable to oxidize in a follow-up heating drying process, and performance of the steel strip is improved.

Description

technical field [0001] The invention relates to the processing field of steel plates, in particular to a processing technology and coating device for color steel strips. Background technique [0002] Colored steel strip is colored steel coil, which generally uses cold-rolled steel plate and galvanized steel plate as the substrate. The steel plate and the bright-colored coating are highly integrated by using cutting-edge composite technology. It has the good performance of various materials and has great Improve the chemical stability of the material and have more effective anti-rust and anti-corrosion properties. [0003] There are many kinds of manufacturing processes for color steel strips. The main method is to paint the surface of the finished steel strips by coating or spraying, and then curl them into rolls after drying. The coatings can be selected according to the different use environments. Such as epoxy resin, polyester resin, polyvinyl chloride plastisol, silicon...

Claims

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Application Information

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IPC IPC(8): B05D7/14B05D3/04B05C9/14
CPCB05D7/14B05D3/04B05C9/14
Inventor 喻嘉峰喻志军
Owner 富阳双龙防火门有限公司
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