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Preparation method of weather-resistant silver mirror

A trough solar and thermal power generation technology, applied in mirrors, optics, instruments, etc., can solve the problem of multi-element multi-layer coating that cannot be adapted to weather-resistant silver mirrors

Active Publication Date: 2012-04-25
常州龙腾光热科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this existing magnetron sputtering method generally uses a double-target magnetron sputtering method, which cannot meet the needs of multi-element multi-layer coatings for weather-resistant silver mirrors in solar thermal power generation technology equipment.

Method used

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  • Preparation method of weather-resistant silver mirror
  • Preparation method of weather-resistant silver mirror

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Embodiment

[0024] One of the embodiments, as attached figure 1 Shown:

[0025] A weather-resistant silver mirror suitable for trough solar thermal power generation, comprising a transparent low-iron ultra-clear float glass substrate 1, the first Al coated on the rear surface of the transparent low-iron ultra-clear float glass substrate 1 2 o 3 Adhesive layer 2, coated on the first Al 2 o 3 The Ag reflective layer 3 on the surface of the bonding layer 2, the second Al plated on the surface of the Ag reflective layer 3 2 o 3 Adhesive protection layer 4, cloth coated on the second Al 2 o 3 The SiOx protective layer 5 on the surface of the protective layer 4 is adhered. On the surface of the SiOx protective layer 5, at least 2 layers of waterproof protective polymer paint layers 6 coated, and the first Al 2 o 3 Adhesive layer 2, Ag reflective layer 3, second Al 2 o 3 The bonding protective layer 4 and the SiOx protective layer 5 are both vacuum magnetron sputtering coating layers....

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Abstract

The invention discloses a method for preparing a weather-resistant silver mirror which is suitable for trough solar thermal power generation. The silver mirror orderly consists of a transparent low-iron super white float glass substrate, a first Al2O3 adhesive layer, an Ag reflective layer, a second Al2O3 adhesive protective layer, a SiOx protective layer and at least two waterproof protective macromolecule paint layers. The preparation method thereof comprises the step of: adopting a multi-target intermediate frequency response vertical magnetic control sputtering coater, respectively and orderly plating the first Al2O3 adhesive layer, the Ag reflective layer, the second Al2O3 adhesive protective layer, the SiOx protective layer and the at least two waterproof protective macromolecule paint layers and preparing the weather-resistant silver mirror of the invention. The inventive preparation method has the characteristics of advanced and reasonable preparation method, low preparation cost, low energy consumption, high reflectivity of the prepared weather-resistant silver mirror, reliable work, long service life and the like.

Description

technical field [0001] The invention relates to a method for preparing a weather-resistant silver mirror, in particular to a method for preparing a weather-resistant silver mirror suitable for large-area curved focusing and high-efficiency reflection for trough solar thermal power generation. Background technique [0002] People's understanding of solar thermal power generation technology has reached a very high level, especially the trough solar thermal power generation technology, which has entered the commercial era. [0003] The trough solar thermal power generation technology uses solar energy (light) to focus on the heat pipe with medium water in the middle through the high-efficiency reflection silver mirror, so that the medium water is vaporized and pressurized in a short period of time, and finally the high-pressure steam drives the turbo generator generate electricity. [0004] It can be seen that an important factor determining the efficiency of the trough solar ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B5/08G02B1/10G02B1/14
Inventor 郭廷玮俞科
Owner 常州龙腾光热科技股份有限公司
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