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Preheating method and equipment for coated glass production

A coated glass and preheating technology, applied in the field of coated glass, can solve the problems of inability to effectively and accurately control the blowing temperature and moisture content, large fluctuations in product appearance and performance, and high environmental temperature and humidity requirements, so as to speed up the solvent volatilization rate. Uniformity, lowering curing temperature and curing oven length, and accelerating the uniformity of volatilization rate

Active Publication Date: 2020-07-14
DONGGUAN CSG SOLAR GLASS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Axial flow fans are commonly used to accelerate the volatilization of the solution and achieve the leveling effect of the solution. However, this method has high requirements on the ambient temperature and humidity. It cannot effectively and accurately control the temperature and moisture content of the blower. It can only cool and accelerate the volatilization of the solvent.
And the fan blows unevenly, which is easy to generate eddy currents and cause spots on the membrane surface, resulting in large fluctuations in the appearance and performance of the produced products

Method used

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  • Preheating method and equipment for coated glass production
  • Preheating method and equipment for coated glass production
  • Preheating method and equipment for coated glass production

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] See attached figure 1 , 2 , a preheating method for coated glass production, comprising the steps of:

[0054] Step S1, preheating the glass substrate: using hot air to shower the surface of the glass substrate until the temperature of the glass substrate is 40°C;

[0055] Step S2, preheating the coating solution: raising the temperature of the coating solution to 30° C., and then coating the heated coating solution on the surface of the glass substrate preheated in step S1 to obtain a glass substrate 10 coated with the coating solution;

[0056] Step S3, post-heating treatment: use hot air to blow the glass substrate 10 coated with the coating solution in step S2, so that the temperature of the glass substrate 10 reaches 50° C., and prepare a preheated coated glass, ready for use and to be cured.

[0057] In the step S1, the first hot air device is used to shower the surface of the glass substrate; in the step S3, the second hot air device is used to shower the glass...

Embodiment 2

[0062] The difference between this embodiment and above-mentioned embodiment 1 is:

[0063] See attached figure 1 , 2 , a preheating method for coated glass production, comprising the steps of:

[0064] Step S1, preheating the glass substrate: blowing the surface of the glass substrate with hot air until the temperature of the glass substrate is 45°C;

[0065] Step S2, preheating the coating solution: raising the temperature of the coating solution to 32° C., and then coating the heated coating solution on the surface of the glass substrate preheated in step S1 to obtain a glass substrate 10 coated with the coating solution;

[0066] Step S3, post-heating treatment: use hot air to blow the glass substrate 10 coated with the coating solution in step S2, so that the temperature of the glass substrate 10 reaches 55° C., and prepare a preheated coated glass, ready for use and to be cured.

[0067] The coated glass process in this embodiment sequentially includes glass edging tr...

Embodiment 3

[0069] The difference between this embodiment and above-mentioned embodiment 1 is:

[0070] See attached figure 1 , 2 , a preheating method for coated glass production, comprising the steps of:

[0071] Step S1, preheating the glass substrate: using hot air to blow the surface of the glass substrate until the temperature of the glass substrate is 50°C;

[0072] Step S2, preheating the coating solution: raising the temperature of the coating solution to 35° C., and then coating the heated coating solution on the surface of the glass substrate preheated in step S1 to obtain a glass substrate 10 coated with the coating solution;

[0073] Step S3, post-heating treatment: use hot air to blow the glass substrate 10 coated with the coating solution in step S2, so that the temperature of the glass substrate 10 reaches 60°C, and prepare a preheated coated glass, which is ready for use and to be cured.

[0074] The coated glass process in this embodiment sequentially includes glass e...

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Abstract

The invention relates to the technical field of coated glass, in particular to a preheating method and equipment for coated glass production. The preheating method comprises the following steps: S1, preheating a glass substrate: spraying hot air on the surface of the glass substrate until the temperature of the glass substrate is 40-60 DEG C; S2, preheating a coating solution, namely heating the coating solution to 30-40 DEG C, and coating the heated coating solution on the surface of the glass substrate preheated in the step S1; and S3, conducting post-heating treatment, specifically, adopting hot air for blowing and spraying the glass base material coated with the coating liquid in the step S2, so that the temperature of the glass base material reaches 50-70 DEG C, and the preheated coated glass is prepared for standby application and waiting for curing. The preheating method disclosed by the invention is simple to operate, high in production efficiency and low in production cost, the volatilization rate uniformity of the solvent in a wet film state can be accelerated, the adhesive force between the film layer and the glass substrate is improved, and the light transmittance, weather resistance and hardness of the film layer are improved.

Description

technical field [0001] The invention relates to the technical field of coated glass, in particular to a preheating method and equipment for producing coated glass. Background technique [0002] At present, the photovoltaic glass coating mainly adopts the roller coating coating process, that is, after the glass substrate is cleaned, the coating solution is applied to the glass surface by the roller coating process, and then cured and tempered. Because the coating solution is water-based or organic solvent-based liquid, before the roller coating process, it is affected by the water vapor and water film existing on the glass surface after cleaning, and the adhesion between the film layer and the glass will be affected after coating. After the roller coating process, it will be affected by the uneven volatilization of the solution, the water-based solution is not easy to volatilize, and the solution is easy to absorb moisture in the air, etc., which will affect the uniformity of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C17/00C03C23/00
CPCC03C17/002C03C23/007
Inventor 纪朋远陈刚王科陈海峰蔡敬周志文唐高山陈诚
Owner DONGGUAN CSG SOLAR GLASS
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