Corrosion proof treatment method of anchor chain

An anti-corrosion and anchor chain technology, applied in the direction of metal material coating process, coating, solid diffusion coating, etc., can solve the problem of difficult maintenance and other problems, and achieve the effect of saving paint consumption, long service life and low average cost

Inactive Publication Date: 2009-03-18
中华人民共和国广东海事局湛江航标处
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Problems solved by technology

The anchor chain has been in the harsh sea conditions of stretching, wear and sand erosion for a l

Method used

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  • Corrosion proof treatment method of anchor chain
  • Corrosion proof treatment method of anchor chain

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[0021] Mechanical energy-assisted sherardizing is a technology that heats the component and powder sherardizing agent during mechanical movement to complete thermal diffusion and form a certain thickness of sherardizing layer on the surface of the component's base metal. Assist infiltration, that is, through the action of mechanical energy, the diffusion mechanism is changed, and the activation energy of thermal diffusion is reduced, thereby helping to complete the sherardizing thermal diffusion process. Sherardizing is the thermal diffusion of zinc. The sherardizing rate is controlled by the diffusion process. During the process, the sherardizing agent continuously impacts the surface of the workpiece, and the mechanical energy generated has an activating effect on the surface of the workpiece, activating surface lattice atoms, forming crystal defects such as vacancies, and changing Lattice diffusion is the diffusion of lattice defects, so that the mechanism of lattice migration ...

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Abstract

The invention provides a method for treating corrosion of a cable chain. The method comprises the steps of: placing a pre-treated penetration piece into a mechanical energy penetration aiding device for thermal treatment, treating the penetration piece by chromate, and painting coat primer and cable chain paint so as to improve the anticorrosion property of the cable chain. The method has a long service life, low annual average cost, saves construction cost and reduces paint consumption. In a word, the heavy anticorrosion coating is low in comprehensive cost of the service life, the cost consumption, or the construction cost and remarkable in economic benefit.

Description

technical field [0001] The invention belongs to an anti-corrosion treatment method for anchor chains. Background technique [0002] The anchor chain plays the role of fastening the navigation mark in the sea. The upper end is washed by the sea water, and the lower part is washed by the sand, which bears huge friction. The anchor chain has been in the harsh sea conditions of stretching, wear and sand erosion for a long time, the corrosion problem is very serious, and there are problems that are not easy to repair. Contents of the invention [0003] The purpose of the present invention is to provide a kind of anti-corrosion treatment method for anchor chains. After pretreatment, the infiltrated parts are put into a mechanical energy-assisted zinc sheathing device for heat treatment, treated with chromate, coated with primer and anchor chain paint, and improve the corrosion resistance of anchor chains. Anti-corrosion properties. [0004] The present invention comprises the ...

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Application Information

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IPC IPC(8): C23C10/36C23C10/02C23C10/60
Inventor 曾腾李石莲卜英俊郑志平麦亚富
Owner 中华人民共和国广东海事局湛江航标处
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