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Manufacturing method of rare earth colored transparent gray crystal bead blank

A manufacturing method and technology of crystal bead embryos, which are applied in manufacturing tools, glass pressing, glass manufacturing equipment, etc., can solve problems such as low transmittance and refractive index, color difference of bead embryos, and unstable product quality.

Inactive Publication Date: 2019-05-17
广东蓝碟羽水晶饰品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the problems of serious color difference of traditional bead embryos, bubble stripes inside, low transmittance and refractive index, and unstable product quality, and provides a method for manufacturing transparent gray crystal bead embryos colored with rare earth. In the method, bead embryos The formula can ensure that the bead embryo has a high refractive index and a high refractive index. The atmosphere in the electric closed crucible furnace is stable, and there will be no bubble streaks inside the bead embryo. The interior is clear and the structure is stable. Compared with traditional formula and production methods, the product is produced Pearl embryos are higher than several grades

Method used

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  • Manufacturing method of rare earth colored transparent gray crystal bead blank
  • Manufacturing method of rare earth colored transparent gray crystal bead blank
  • Manufacturing method of rare earth colored transparent gray crystal bead blank

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of manufacture method of rare earth coloring transparent gray crystal bead embryo, comprises the following steps:

[0020] S1: Weigh out the raw materials of rare earth colored transparent gray crystal bead embryos according to the weight ratio and mix them evenly; the raw material formula (weight ratio) of the transparent gray crystal bead embryos is: 45 parts of quartz sand with iron content below 5PPM, carbonic acid 10 parts of sodium, 2 parts of potassium carbonate, 3 parts of sodium nitrate, 6 parts of borax decahydrate, 11 parts of zinc oxide, 4 parts of aluminum oxide, 3 parts of calcite, 2 parts of titanium dioxide, 1 part of barium carbonate, 0.5 parts of sodium fluorosilicate , 2 parts of lithium carbonate, 1 part of erbium oxide, 0.1 part of cobalt oxide, 0.3 part of nickel oxide, and 0.5 part of antimony oxide.

[0021] S2: Add the homogeneously mixed mixture into an electric heating closed crucible furnace with a temperature of 1300-1400 degrees Cels...

Embodiment 2

[0027] A kind of manufacture method of rare earth coloring transparent gray crystal bead embryo, comprises the following steps:

[0028] S1: Weigh out the raw materials of rare earth colored transparent gray crystal bead embryos according to the weight ratio and mix them evenly; the raw material formula (weight ratio) of the transparent gray crystal bead embryos is: 50 parts of quartz sand with iron content below 5PPM, carbonic acid 7 parts of sodium, 3 parts of potassium carbonate, 1 part of sodium nitrate, 9 parts of borax decahydrate, 10 parts of zinc oxide, 2 parts of aluminum oxide, 5 parts of calcite, 1 part of titanium dioxide, 1.5 parts of barium carbonate, 1.5 parts of sodium fluorosilicate , 3 parts of lithium carbonate, 1.2 parts of erbium oxide, 0.1 part of cobalt oxide, 0.2 part of nickel oxide, and 0.8 part of antimony oxide.

[0029] S2: Add the homogeneously mixed mixture into an electric heating closed crucible furnace with a temperature of 1300-1400 degrees C...

Embodiment 3

[0034] A kind of manufacture method of rare earth coloring transparent gray crystal bead embryo, comprises the following steps:

[0035] S1: Weigh out the raw materials of rare earth colored transparent gray crystal bead embryos according to the weight ratio and mix them evenly; the raw material formula (weight ratio) of the transparent gray crystal bead embryos is: 42 parts of quartz sand with iron content below 5PPM, carbonic acid 16 parts of sodium, 1.5 parts of potassium carbonate, 2 parts of sodium nitrate, 7 parts of borax decahydrate, 9 parts of zinc oxide, 15 parts of aluminum oxide, 26 parts of calcite, 2 parts of titanium dioxide, 1.8 parts of barium carbonate, 0.9 parts of sodium fluorosilicate , 1 part of lithium carbonate, 1.4 parts of erbium oxide, 0.2 part of cobalt oxide, 0.3 part of nickel oxide, and 0.3 part of antimony oxide.

[0036] S2: Add the homogeneously mixed mixture into an electric heating closed crucible furnace with a temperature of 1300-1400 degr...

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Abstract

The invention relates to the field of artificial crystal products, in particular to a manufacturing method of a rare earth colored transparent gray crystal bead blank. Cobalt oxide, nickel oxide and erbium oxide are mixed according to a ratio and are colored into gray; sodium carbonate, potassium carbonate, lithium carbonate and sodium fluorosilicate are used for accelerating the dissolution of glass, and also improve the product quality; due to addition of borax decahydrate, the fluxing effect is enabled to be more obvious; sodium nitrate regulates the oxidizing atmosphere during glass melting; antimony oxide plays roles of clarifying and defoaming; zinc oxide, titanium dioxide and barium carbonate are used for increasing the refractive index; aluminum oxide enhances the strength of the glass so as to enable the product structure to be stable. In addition, the method adopts an electric heating closed crucible furnace to smelt the glass, so that the color is changed conveniently; the produced transparent gray crystal bead blank has no color difference, is internally clear and transparent, is uniform in texture, and has high transmittance and the refractive index; compared with thetraditional crystal bead blank, the rare earth colored transparent gray crystal bead blank is improved by multiple grades.

Description

【Technical field】 [0001] The invention relates to the field of artificial crystal products, in particular to a method for manufacturing rare earth colored transparent gray crystal bead embryos. 【Background technique】 [0002] The traditional process of manufacturing transparent gray crystal bead embryos uses gas or natural gas to heat the crucible furnace. Because gas or natural gas heating is not good for controlling the atmosphere in the crucible furnace, the color of the glass will be unstable and affect product quality. There are also continuous battery furnaces for melting glass. This kind of continuous battery furnace can only continuously produce a single type of glass products. It is very inconvenient to change the color. Forced color change will cause the raw material of the bead embryo of the previous color to remain in the color of the next production. In the bead embryo, the size and color difference of the bead embryo is serious, there are bubble stripes inside,...

Claims

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Application Information

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IPC IPC(8): C03C12/00C03C6/06C03C6/04C03C4/02C03C1/04C03B11/00C03B5/02
Inventor 谢伯强谢嘉城朱孙胜
Owner 广东蓝碟羽水晶饰品有限公司
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