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Dark blue ultraviolet filter quartz tube and preparation method thereof

An ultraviolet and dark blue technology, applied in glass manufacturing equipment, manufacturing tools, glass molding, etc., can solve the problems of low light transmittance and uneven light efficiency, and achieve high light transmittance, strong pressure resistance, and uniform coloring. good effect

Active Publication Date: 2017-02-01
LIANYUNGANG HONGYANG QUARTZ PROD
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AI Technical Summary

Problems solved by technology

At present, the dark blue ultraviolet filter quartz tube bulbs are coated, which has extremely low light transmittance, high temperature demoulding, and uneven light efficiency.

Method used

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Embodiment Construction

[0019] The specific technical solutions of the present invention are further described so that those skilled in the art can further understand the present invention, without limiting their rights.

[0020] A dark blue ultraviolet filter quartz tube, with high-purity quartz sand as the basic raw material by weight, together with a coloring agent accounting for 0.4%-5.0% by weight of high-purity quartz sand, using SiO 2 The mass percentage is greater than 99.99%, the impurity content is less than 10ppm, 50-160 mesh high-purity quartz sand,

[0021] Wherein, coloring agent is made up of the raw material of following weight ratio,

[0022] Cobalt nitrate Co(NO 3 ) 2 ·6H 2 O 0.8-1.1

[0023] Copper Sulfate CuSO 4 ·5H 2 O 0.3-0.6

[0024] Potassium nitrate KNO 3 0.1-0.4

[0025] Aluminum dioxide AL 2 o 3 0.2-0.5

[0026] Zinc oxide ZnO 0.1-0.4

[0027] Nickel oxide NiO 0.15-0.3

[0028] The optimum weight portion of the coloring agent is 3.0%-3.5% of the high-purity ...

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Abstract

The invention provides a deep blue ultraviolet-filtering quartz tube and a preparation method thereof. The deep blue ultraviolet-filtering quartz tube is prepared from high-purified quartz sand as a raw material in basic parts by weight, and also a colorant accounting for 0.4wt%-5wt% of the high-purified quartz sand; the colorant is prepared from cobalt nitrate Co(NO3)2.6H2O, copper sulfate CuSO4.5H2O, potassium nitrate KNO3, aluminum oxide Al2O3, zinc oxide ZnO and nickel oxide NiO. The deep blue ultraviolet-filtering quartz tube molded by drawing by use of an integrated tube wall coloring preparation process is good in integrated tube wall coloring homogeneity, good in toughness, high in pressure resisting capability, high in light transmittance, and coating-free; the cut-off wavelength of the quartz tube is 360-368nm, and the transmittance of the quartz tube is 66%.

Description

technical field [0001] The invention relates to a preparation technology of a quartz tube, in particular to a dark blue ultraviolet-filtering quartz tube and a preparation method thereof. Background technique [0002] Quartz glass has the characteristics of high electrical breakdown strength, extremely small electrical conductivity, small thermal expansion coefficient, high temperature resistance, ultraviolet filter, infrared transmission, rapid cooling and rapid heating, and excellent performance. It has been more and more widely used in industry and civil use Products, especially the automobile industry, civil aviation airport and other industries. At present, the dark blue ultraviolet filter quartz tube bulbs are coated, which has extremely low light transmittance, high temperature demoulding, and uneven light efficiency. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a dark blue ultraviolet filter quartz tu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C6/04C03C4/02C03B15/14C03B17/00
Inventor 徐传龙徐源刘云飞潘志刚
Owner LIANYUNGANG HONGYANG QUARTZ PROD
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