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Surface treatment process for carbon coated roller core

A technology of surface treatment and carbon sleeve roller, which is applied in the direction of metal material coating process, fusion spraying, coating, etc., can solve the problems of roller surface oxidation, affecting production operations, loose peeling, etc., so as to improve service life and durability High temperature and corrosion resistance, effect of reducing replacement frequency

Active Publication Date: 2014-11-19
江苏华洋新思路能源装备股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing furnace rollers are prone to oxidation, looseness and peeling of the roller surface after high-temperature operation, which affects normal production operations

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A surface treatment process for a carbon sleeve roller core, the specific steps are:

[0025] (1) Surface cleaning: Use a grinder to remove the rusted part on the surface of the carbon roller core.

[0026] (2) Residue processing: The carbon sleeve roller core obtained in step (1) is machined, and a certain amount of outer circular surface and both side end surfaces are cut off.

[0027] (3) Surface roughening: preparation of microetching solution, the components of the microetching solution and the volume percentages of each component are: ammonium sulfate: 20%, barium sulfate: 25%, sulfonic acid: 5%, and the rest is deionized water; soak the carbon sleeve roller core obtained in step (2) in the microetching solution, heat the microetching solution to 60°C at a rate of 12°C / min, and take it out after keeping it warm for 20 minutes; then prepare the neutralizing solution, The neutralizing solution is sodium hydroxide solution; the temperature of the neutralizing soluti...

Embodiment 2

[0036] A surface treatment process for a carbon sleeve roller core, the specific steps are:

[0037] (1) Surface cleaning: Use a grinder to remove the rusted part on the surface of the carbon roller core.

[0038] (2) Residue processing: the carbon sleeve roller core obtained in step (1) is machined, and a certain amount of outer circular surface and both side end surfaces are cut off.

[0039] (3) Surface roughening: prepare microetching solution, the composition of microetching solution and the volume percentage of each component are: ammonium sulfate: 25%, barium sulfate: 24%, sulfonic acid: 6%, and the rest is deionized Water; Soak the carbon sleeve roller core obtained in step (2) in the microetching solution, raise the temperature of the microetching solution to 70°C at a rate of 8°C / min, and take it out after keeping it warm for 25 minutes; then prepare the neutralizing solution, The neutralizing solution is sodium hydroxide solution; the temperature of the neutralizin...

Embodiment 3

[0048] A surface treatment process for a carbon sleeve roller core, the specific steps are:

[0049] (1) Surface cleaning: Use a grinder to remove the rusted part on the surface of the carbon roller core.

[0050] (2) Residue processing: The carbon sleeve roller core obtained in step (1) is machined, and a certain amount of outer circular surface and both side end surfaces are cut off.

[0051] (3) Surface roughening: prepare microetching solution, the composition of microetching solution and the volume percentage of each component are: ammonium sulfate: 30%, barium sulfate: 25%, sulfonic acid: 10%, and the rest is deionized Water; Soak the carbon sleeve roller core obtained in step (2) in the microetching solution, raise the temperature of the microetching solution to 75°C at a rate of 6°C / min, and take it out after holding it for 30 minutes; then prepare the neutralizing solution, The neutralizing solution is sodium hydroxide solution; the temperature of the neutralizing so...

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PUM

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Abstract

The invention provides a surface treatment method for a carbon coated roller core. The method comprises the following steps: performing surface cleaning, allowance machining, surface roughening, sand blasting, spraying treatment, sealing treatment, secondary sand blasting, surface finishing, washing and drying. The treatment process is simple, the carbon coated roller core treated by the method has excellent high temperature resistance and corrosion resistance, and the service life is obviously prolonged.

Description

technical field [0001] The invention belongs to a surface treatment process, in particular to a surface treatment process for a carbon sleeve roller core. Background technique [0002] The furnace roller is a positioning roller that drives the material into the furnace when the material is annealed. The quality of the furnace roll is one of the main factors affecting the operating rate and the surface quality of the product, and the furnace roll has been in a high-temperature or ultra-high-temperature working environment for a long time, so there are certain requirements for its heat resistance. However, the existing furnace rolls are prone to oxidation, loosening and peeling of the roll surface after high-temperature operation, which affects normal production operations. [0003] Therefore, it is an urgent problem for those skilled in the art to develop a method for treating the surface of the carbon sleeve roller core to enhance its heat resistance and corrosion r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C4/14C23C4/02C23C4/06C23C4/18C23C4/129
Inventor 马中亮于兴仁
Owner 江苏华洋新思路能源装备股份有限公司