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Preparation method of cover plate glass of solar receiver

A cover glass and receiver technology, which is applied in the field of solar receiver cover glass preparation, can solve problems such as lack of equipment, lack of sputtering monitoring system, and adverse effects on coating quality, so as to improve the anti-reflection ability and improve solar The effect of light transmittance

Active Publication Date: 2013-04-24
JIANGSU DOCTORXIA SOLAR ENERGY
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Problems solved by technology

[0009] Apparently, the first kind of physical method coating, in addition to causing target "poisoning" and affecting the normal operation of the coating and the quality of the coating, also due to its lack of sputtering monitoring system, for the reaction gas O 2 The real-time monitoring and automatic adjustment of the content of the plasma and the emission of the plasma will undoubtedly have an adverse effect on the process of the coating work and the quality of the coating.
As far as this is concerned, this lack of equipment is also a serious deficiency in the prior art

Method used

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  • Preparation method of cover plate glass of solar receiver

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specific Embodiment approach

[0044] For the second specific implementation mode, please refer to the attached figure 1 .

[0045] A preparation method of solar receiver cover glass, when the SiO 2 Coating 2 and TiO 2 When the film layer 3 has multiple layers, the SiO plated 2 Coating 2 and TiO coating 2 The film layer 3 is alternately carried out; and the c step is plated with SiO 2 Layer 2 and step d TiO plating 2 The film layer 3 is carried out sequentially in two separated vacuum film chambers, and the Si target and Ti target are respectively placed in the two separated vacuum film coating chambers. In addition, others are the same as the specific implementation

[0046] The test results of the first sample of the cover glass of the finished product of the present invention show that its solar light transmittance reaches 96%; the self-cleaning level of the surface is close to or reaches the cleanliness of the original cover glass surface after being washed by simulated rain. The invention is a...

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Abstract

The invention discloses cover plate glass of a solar receiver and a preparation method thereof. The cover plate glass is mainly characterized by comprising a SiO2 film layer and a TiO2 film layer. In the preparation method of the cover plate glass, tempered low-iron float glass is used as a substrate and a medium frequency magnetic control sputtering coating machine provided with a PEM (program execution monitor) monitor is used as production equipment. The method comprises the following steps of cleaning the surface of the substrate, cleaning the surface of the substrate for the second time, coating the SiO2 film layer, coating the TiO2 film layer and annealing. The cover plate glass disclosed by the invention has the characteristics of high transmittance, self-cleaning effect and the like, and the preparation method of the cover plate glass disclosed by the invention has the characteristics of advanced and reasonable process, automatically controlled film coating, good film coating quality, high production efficiency and the like.

Description

technical field [0001] The invention relates to a method for preparing a solar receiver cover glass, which belongs to the manufacturing technology of solar energy utilization equipment. Background technique [0002] The solar receiver in the present invention mainly refers to a photothermal conversion solar receiver, and also includes a photoelectric conversion solar receiver. The cover glass refers to the cover glass that protects the photothermal conversion solar receiver or photoelectric conversion solar receiver. [0003] How to improve the photothermal or photoelectric conversion efficiency of solar energy, in addition to improving the conversion rate of the core components of the converter, it is also very important to improve the solar light transmittance of the outer cover glass. [0004] To improve the transmittance of the cover glass, the main technical measure at present is to use low-iron float glass as the cover glass, so that the sunlight transmittance of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C17/34H01L31/048H01L31/0216F24J2/50
CPCY02E10/40Y02E10/50
Inventor 郭建玮夏建业范利宁
Owner JIANGSU DOCTORXIA SOLAR ENERGY
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