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Preparation method of solar reflective aluminum mirror and prepared solar reflective aluminum mirror

A solar and reflective technology, applied in the field of solar thermal utilization, can solve the problems of unfavorable recycling, bulky glass products, and difficult installation, and achieve the effect of reducing weight per unit area, cost per unit area, and installation difficulty.

Active Publication Date: 2018-06-22
佛山小虫金属科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Aiming at the defects existing in existing glass reflectors, the present invention proposes a preparation method of a solar reflective aluminum mirror, which is low in cost, and the prepared solar reflective aluminum mirror solves the problems of bulky, fragile, difficult to install and unfavorable glass products. recycling problem

Method used

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  • Preparation method of solar reflective aluminum mirror and prepared solar reflective aluminum mirror
  • Preparation method of solar reflective aluminum mirror and prepared solar reflective aluminum mirror
  • Preparation method of solar reflective aluminum mirror and prepared solar reflective aluminum mirror

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Embodiment Construction

[0025] In order to allow those skilled in the art to understand the present invention more clearly and intuitively, the present invention will be further described below in conjunction with the accompanying drawings.

[0026] Such as figure 1 The structural schematic diagram of the solar reflective aluminum mirror prepared for the present invention includes an aluminum roll substrate 1 and a fluorocarbon protective layer 2 and a polyester protective layer 3 respectively arranged on the front and back sides thereof, and the preparation process includes the following steps:

[0027] a: The surface of the aluminum coil substrate is first rolled by a wet multi-pass rolling process to form a primary mirror surface, and the mirror surface degree is 80-85%;

[0028] b: Degreasing and degreasing the primary mirror surface with an alumina degreasing and degreasing agent with a free acid concentration of 17-22%, and the treatment time is 45-60 seconds;

[0029] c: Then rinse the alumin...

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Abstract

The invention provides a preparation method for a solar light reflection aluminum mirror. The method comprises the steps that dry rolling is performed on an aluminum roll substrate to obtain a 80-85% primary mirror surface, and degreasing and oil removal treatment is performed on the primary mirror surface; cleaning and drying are performed to obtain a clean aluminum mirror surface with no aluminum powder dust or oil stains; dry rolling is performed so that the mirror surface degree is 90-95% horizontal; finally, the formed mirror surface is coated with high-transparency fluorocarbon resin coating to form a 10-15-micrometer fluorocarbon protection layer. Due to the bottom pre-coating aluminum mirror dry rolling technology, the mirror surface degree of an aluminum plate reaches the glass mirror surface degree; with the combination of the latest resin protection coating, the aluminum mirror surface is protected so as to reach the ten-year long service life, so that the solar light reflection aluminum mirror replaces a glass mirror surface perfectly, and various problems of the glass mirror surface are solved.

Description

technical field [0001] The invention relates to the technical field of solar photothermal utilization, in particular to a preparation method of a solar reflective aluminum mirror. The invention also provides a solar reflective aluminum mirror prepared by the above preparation method. Background technique [0002] As a basic material for high-temperature heat utilization in solar energy, reflectors have a high reflectivity and a specific shape. By reflecting a large area of ​​solar light, they generally follow the sunlight and converge the light on a small-area solar receiver. , by converging light to increase the energy density, so that the receiver and its internal medium can quickly heat up and reach a higher temperature, which is convenient for medium and high temperature heat utilization. [0003] At present, the common types of reflectors can be divided into trough solar concentrating system with focus, CPC concentrating system, dish solar concentrating system using par...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B15/08B32B15/09B32B38/00B32B38/16B32B37/24
CPCB32B15/08B32B15/09B32B37/24B32B38/00B32B38/162B32B38/164B32B2037/243
Inventor 李金成
Owner 佛山小虫金属科技有限公司
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