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Knot preventing high-temperature resisting sink roller

A technology of high temperature resistance and sinking roll, which is applied in the direction of coating, metal material coating process, hot-dip plating process, etc., and can solve problems such as unevenness and affecting product quality

Inactive Publication Date: 2020-07-07
江苏亚太特种铸钢厂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the galvanizing process, aluminum, iron, and zinc alloy elements will adhere to the roll surface to form uneven nodules, which affect product quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] The present invention will be further described below in conjunction with embodiment.

[0013] Anti-nodulation and high-temperature resistant sinking roller, including cylindrical roller body and roller shaft; the surface of the roller body is sprayed with a cermet coating by explosive spraying technology; the cermet coating is composed of a sealing layer and a working layer from the outside to the inside 1. Make up the bottom layer, the bottom layer is M chromium aluminum yttrium MCrAlY, nickel aluminum NiAl or nickel chromium aluminum NiCrAl alloy powder material, and the sealing layer is composed of 36-40% CrB-CrO 2 , and the rest are acid conditioners.

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PUM

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Abstract

The invention discloses a knot preventing high-temperature resisting sink roller. A cylindrical roller body and a roller shaft are included. The explosion spraying technology is adopted on the surfaceof the roller body to spray a metal ceramic coating. The metal ceramic coating is composed of a closing layer, a work layer and a bottoming layer from exterior to interior. According to the further improvement, the bottoming layer is MCrAlY, NiAl or NiCrAL alloy powder materials; and the closing layer is composed of 36-40% of CrB-CrO2, and the balance is an acid blender. The knot preventing high-temperature resisting sink roller resists the high temperature, and knot generation can be prevented.

Description

technical field [0001] The invention relates to a sinking roll on a hot-dip galvanizing line. Background technique [0002] The sinking roll is one of the important equipment on the hot-dip galvanizing line. It is made of stainless steel. During production, the sinking roll needs to be immersed in the molten zinc liquid and rotate with the drag of the galvanized sheet. During the galvanizing process, aluminum, iron, and zinc alloy elements will adhere to the roll surface to form uneven nodules, which affect product quality. Contents of the invention [0003] The invention aims at the deficiencies of the prior art, and provides an anti-nodulation and high-temperature-resistant sinking roller which significantly reduces nodules. [0004] The present invention achieves technical goals through the following technical solutions. [0005] The anti-nodulation and high-temperature-resistant sinking roller includes a cylindrical roller body and a roller shaft; its improvement is ...

Claims

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Application Information

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IPC IPC(8): C23C2/06C23C4/067C23C4/073C23C4/126
CPCC23C2/003C23C2/06C23C4/067C23C4/073C23C4/126
Inventor 贲启轩
Owner 江苏亚太特种铸钢厂有限公司
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