Galvanizing technology for combination intensity of galvanizing layer and base material

A technology combining strength and galvanized layer, applied in hot-dip plating process, metal material coating process, coating and other directions, can solve the problems affecting the life and recycling of photovoltaic panels, and achieve the benefits of galvanizing quality, reducing Volatile, easy-to-use effect

Inactive Publication Date: 2015-07-08
CHENGDU ZHENZHONG ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned prior art, due to natural factors such as gravity or wind load, the above-mentioned photovoltaic panels are mostly made of metal profiles. In this way, the anti-corrosion technology of photovoltaic panels has become a key factor affecting the life and regeneration of photovoltaic panels. The invention provides a galvanizing process that is beneficial to the bonding strength of the galvanized layer and the base material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A galvanizing process that is beneficial to the bonding strength of the galvanized layer and the base material is used for the surface anticorrosion treatment of the photovoltaic panel frame, including the steps of cleaning, drying, hot-dip galvanizing and cooling in sequence, and the cleaning includes degreasing in sequence , inspection, pickling and washing steps, characterized in that the degreasing is to use a water-based metal degreasing agent to degrease the surface of the photovoltaic panel frame; the inspection is to immerse the degreased photovoltaic panel frame in water and then pull it out, Observe whether the surface of the photovoltaic panel frame is completely soaked by water; the pickling is under the condition that the temperature range is between 30°C and 35°C, using a pickling solution containing hydrogen chloride, hexamethylenetetramine and a corrosion inhibitor to treat the photovoltaic panels. The plate frame is cleaned, wherein, the concentration va...

Embodiment 2

[0021] This embodiment is further limited on the basis of Example 1. In order to prevent excessive precipitation of acid gas from the pickling solution during the proportioning process of the pickling solution and affect the composition content of the pickling solution, in the pickling step It also includes the proportioning process of the pickling solution. The proportioning process is to add the corrosion inhibitor into the solvent of the pickling solution, stir and fully dissolve, and then add hydrogen chloride and hexamethylenetetramine.

[0022] In order to avoid excessive thermal deformation due to the rapid rise of the temperature of the photovoltaic panel during galvanizing, and at the same time cause zinc liquid to burst due to the moisture on the surface of the photovoltaic panel, the drying step is to heat the photovoltaic panel to 130°C -160℃, and the holding time is between 2-3min. With the selection of the above temperature range and holding time, the surface of ...

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PUM

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Abstract

The invention discloses a galvanizing technology for combination intensity of a galvanizing layer and a base material, which is used for anticorrosion processing of surface of a photovoltaic flat rack. The technology comprises the steps of cleaning, drying, galvanizing and cooling in order, and the cleaning step comprises the steps of degreasing, examining, pickling and washing in order, pickling temperature scope is between 30-35 DEG C, a pickle containing hydrogen chloride, hexamethylene tetramine and a corrosion inhibitor is used for cleaning the photovoltaic flat rack; the corrosion inhibitor contains a nitrogen compound-containing corrosion inhibitor and a sulfur compound-containing corrosion inhibitor; an assistant leaching step is provided between the drying step and galvanizing step, the assistant leaching is characterized in that the photovoltaic flat rack is immersed into a plating auxiliary for 5-8 minutes, the temperature of the plating auxiliary is between 50-57 DEG C, the plating auxiliary contains zinc chloride and ammonium chloride, the mass ratio of zinc chloride to ammonium chloride is between 1 and 4 to 1 and 10, and the plating auxiliary also contains glycerin. According to the invention, the technology route is simple, and the galvanizing layer bonding strength is good.

Description

technical field [0001] The invention relates to the field of solar power generation equipment processing, in particular to a galvanizing process that facilitates the bonding strength of a galvanized layer and a base material. Background technique [0002] Conventional energy sources such as coal, oil, and natural gas are increasingly depleted, and there are more and more problems caused by energy shortages in the world. As a clean, pollution-free, inexhaustible energy source, solar energy has played a very important role in the utilization of new energy sources in recent years. Important role, the existing urban street lighting facilities, the solar photovoltaic panel power generation group that has begun to take shape, and even the photovoltaic panels installed on the roof of the family have made outstanding contributions to reducing the dependence of existing production and life on the coal power industry. contribute. [0003] Usually, the fixed photovoltaic panel is inst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C2/02C23C2/06
CPCC23C2/02C23C2/06
Inventor 陈怀之王刚聂海涛张仁友胡国波
Owner CHENGDU ZHENZHONG ELECTRIC
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