阅读说明：本技术 一种有色玻璃生产用着色剂及其制备方法和应用 (Coloring agent for producing colored glass and preparation method and application thereof ) 是由 宗旭东 于 2020-07-08 设计创作，主要内容包括：本发明公开了一种有色玻璃生产用着色剂及其制备方法和应用,属于玻璃制造技术领域。该着色剂由Si元素35％～60％,B元素10％～15％,Na元素15％～20％,Al元素5％～10％,Li或K元素1％～3％,颜色金属元素5％～20％组成。将着色剂组分混合后在瓷炉中高温煅烧,压片成型制得。该着色剂制备方法简单,具有无毒无害,易溶解,混合均匀和熔点低的优势；制得的有色玻璃着色均匀,质量高。有色玻璃制备中将基础透明玻璃的制备和着色过程分开进行,在透明玻璃熔液的导流槽中均匀加入该着色剂,无需进行熔融窑的清理；可同时进行多种颜色玻璃的生产。(The invention discloses a coloring agent for producing colored glass, a preparation method and application thereof, and belongs to the technical field of glass manufacturing. The colorant is composed of 35-60% of Si element, 10-15% of B element, 15-20% of Na element, 5-10% of Al element, 1-3% of Li or K element and 5-20% of color metal element. The colorant components are mixed and then calcined in a porcelain furnace at high temperature, and the mixture is tabletted and molded to obtain the colorant. The colorant has the advantages of simple preparation method, no toxicity, no harm, easy dissolution, uniform mixing and low melting point; the prepared colored glass is uniform in coloring and high in quality. In the colored glass preparation, the preparation and coloring processes of basic transparent glass are carried out separately, and the colorant is uniformly added into a diversion trench of the transparent glass melt without cleaning a melting kiln; can simultaneously produce glass with various colors.)

1. The colorant for producing colored glass is characterized by comprising the following components: 35-60% of Si element, 10-15% of B element, 15-20% of Na element, 5-10% of Al element, 1-3% of Li or K element and 5-20% of color metal element.

2. The colorant for colored glass production according to claim 1, which is composed of: 43-47% of Si element, 11-15% of B element, 18-20% of Na element, 8-10% of Al element, 1-2% of Li element and 10-15% of color metal element.

3. The colorant for colored glass production according to claim 1, which is composed of: 43% of Si element, 15% of B element, 20% of Na element, 10% of Al element, 2% of Li element and 10% of color metal element.

4. The colorant for colored glass production according to claim 1, which is composed of: 47% of Si element, 11% of B element, 18% of Na element, 8% of Al element, 1% of Li element and 15% of color metal element.

5. The coloring agent for colored glass production according to any one of claims 1 to 4, wherein the Si element is SiO₂Providing, B element is composed of B₂O₃Provided that Na element is Na₂Provided by O, the Al element is Al₂O₃Provided that Li or K is made of Li₂O or K₂Providing O; the color metal element is provided by nickel oxide, selenium oxide, copper oxide, cobalt oxide, manganese oxide, chromium oxide green or iron oxide.

6. The method for preparing the colorant for colored glass production as claimed in any one of claims 1 to 4, wherein the raw materials of each component of the colorant are mixed and proportioned, then calcined in a porcelain furnace at 1200-1400 ℃ for 8-12 h, and finally tabletted and molded.

7. Use of a colorant according to any one of claims 1 to 4 for the preparation of coloured glass.

8. Use of the colorant according to claim 7 for the preparation of colored glass, comprising in particular the steps of:

(1) adding the basic glass material batch into a melting kiln for melting to form liquid glass melt with standard viscosity;

(2) the liquid outlet of the melting furnace is connected with a diversion trench, the diversion trench is provided with a colorant feeding hole, the transparent glass melt enters a molding process through the diversion trench, and the colorant is uniformly added into the diversion trench through the colorant feeding hole and mixed with the transparent glass melt to form colored glass melt; the using amount of the colorant is 0.5 to 5 percent of the mass of the basic glass material;

(3) injecting the colored glass melt into a mold preheated to 600-700 ℃ for injection molding, and then keeping the temperature of the molded glass at the constant temperature of 300-400 ℃ for 1-2 hours; finally, annealing to obtain colored glass;

(4) and cutting and polishing the colored glass plate to obtain a colored glass product.

9. Use of a colorant according to claim 7 for the preparation of a coloured glass, wherein the base glass material melts at a temperature of 1300 to 1600 ℃ for 8 to 12 hours.

10. Use of a colorant according to claim 7 for the preparation of a coloured glass, characterized in that the base glass material consists of: 40-50% of silicon dioxide, 20-30% of borax, 10-15% of aluminum trioxide, 5-10% of barium carbonate, 1-3% of calcium oxide and 1-3% of magnesium oxide.

Technical Field

The invention belongs to the technical field of glass manufacturing, and particularly relates to a coloring agent for producing colored glass, and a preparation method and application thereof.

Background

The glass is formed by fusing silica, limestone and other chemical substances together, forming a connecting network structure when fused, and gradually increasing the viscosity and hardening the silicate-based nonmetallic material which is crystallized during cooling. The colored glass is glass which presents different colors after being added with a coloring agent of the colored art glass; the colored glass material is applied in many places, not only can be used in indoor decoration, but also can be used for mounting dark-colored glass on the glass of an automobile, and sunglasses are colored glass lenses; the colored glass lampshade is also applied to various decorative lamp covers, the colored glass lampshade can be arranged for the purpose of gorgeous color, and the colored glass is applied to various places.

The green coloring agent for colored glass and the preparation process (CN 1640833A) disclose that a lead-boron formula is adopted, zinc, chromium, lithium and copper components are added in the formula, and the granular green coloring agent for colored glass is obtained through the process flows of cosolvent preparation, glaze melting powder preparation, pigment preparation, coloring agent preparation and the like; in the patent application, lead is taken as a cosolvent, is a toxic and harmful substance, cannot be applied to the preparation of food colored glass, and limits the application range of the colorant.

A gray glass and its preparation method and its apparatus for preparing gray glass (CN 103819088B) disclose the preparation method of gray glass and colorant, adopt after mixing colorant first evenly in the preparation process, add into basic glass mixed ingredient and stir, put into melting furnace and mix finally, prepare the gray glass through the after treatment; the preparation process of the colored glass comprises the steps of adding all basic glass raw materials and a colorant into a melting kiln together for heating and melting, then cooling and forming, and completely cleaning the melting kiln after finishing glass of each color, thereby bringing about the problems of great labor waste in the cleaning process, and great waste caused by the fact that the raw materials adhered to the inner wall of the melting kiln can be cleaned; if the cleaning is not thorough, the coloring effect of another colored glass can be affected.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to solve the technical problem of providing the coloring agent for producing the colored glass, the coloring agent has the advantages of no toxicity, no harm, easy dissolution, uniform mixing and low melting point, and can greatly improve the preparation efficiency of the colored glass; the prepared colored glass is uniform in coloring and high in quality. The invention aims to solve another technical problem of providing a preparation method of the coloring agent for producing the colored glass, which has simple operation and mild reaction conditions and can be applied to industrialized production. The technical problem to be solved by the invention is also to provide an application of the colorant in preparing colored glass, wherein the preparation and the coloring process of basic transparent glass are separately carried out, the melting process of a transparent glass material is firstly carried out, and then the colorant is directly added into a transparent glass liquid discharging diversion trench to be colored without cleaning a melting kiln; the production of glass with various colors can be carried out simultaneously.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

a colorant for producing colored glass comprises the following components: 35-60% of Si element, 10-15% of B element, 15-20% of Na element, 5-10% of Al element, 1-3% of Li or K element and 5-20% of color metal element.

The colorant for producing the colored glass comprises the following components: 43-47% of Si element, 11-15% of B element, 18-20% of Na element, 8-10% of Al element, 1-2% of Li element and 10-15% of color metal element.

The colorant for producing the colored glass comprises the following components: 43% of Si element, 15% of B element, 20% of Na element, 10% of Al element, 2% of Li element and 10% of color metal element.

The colorant for producing the colored glass comprises the following components: 47% of Si element, 11% of B element, 18% of Na element, 8% of Al element, 1% of Li element and 15% of color metal element.

The coloring agent for producing colored glass is characterized in that the Si element is SiO₂Providing, B element is composed of B₂O₃Provided that Na element is Na₂Provided by O, the Al element is Al₂O₃Provided that Li or K is made of Li₂O or K₂Providing O; the color metal elements are nickel oxide, selenium oxide, copper oxide and oxideCobalt, manganese oxide, chromium oxide green or iron oxide.

The preparation method of the colorant for producing the colored glass comprises the steps of mixing the raw materials of the colorant, calcining for 8-12 hours at 1200-1400 ℃ in a porcelain furnace, and finally tabletting and forming.

The colorant for producing the colored glass is applied to preparing the colored glass.

The application of the colorant in preparing the colored glass specifically comprises the following steps:

(1) adding the basic glass material batch into a melting kiln for melting to form liquid glass melt with standard viscosity;

(2) the liquid outlet of the melting furnace is connected with a diversion trench, the diversion trench is provided with a colorant feeding hole, the transparent glass melt enters a molding process through the diversion trench, the colorant is uniformly added into the diversion trench through the colorant feeding hole, and the colorant and the transparent glass melt are mixed to form colored glass melt; the using amount of the colorant is 0.5 to 5 percent of the mass of the basic glass material;

(3) injecting the colored glass melt into a mold preheated to 600-700 ℃ for injection molding, and then keeping the temperature of the molded glass at the constant temperature of 300-400 ℃ for 1-2 hours; finally, annealing to obtain colored glass;

(4) and cutting and polishing the colored glass plate to obtain a colored glass product.

The colorant is applied to preparing colored glass, and the base glass material is melted for 8-12 hours at the temperature of 1300-1600 ℃.

The colorant is used for preparing colored glass, and the base glass material consists of the following components: 40-50% of silicon dioxide, 20-30% of borax, 10-15% of aluminum trioxide, 5-10% of barium carbonate, 1-3% of calcium oxide and 1-3% of magnesium oxide.

Has the advantages that: compared with the prior art, the invention has the advantages that:

(1) in the preparation process of the colored glass, the preparation of the basic glass material and the melting process of the colorant are separately carried out, and the respectively melted transparent glass material and the colorant are directly mixed, so that the problems of difficult cleaning and raw material waste caused by the preparation of a plurality of colored glasses in a melting kiln in the prior art are solved; can realize the simultaneous production of glass with various colors.

(2) The coloring agent used in the invention has reasonable formula and simple preparation method, and the coloring agent has the advantages of easy dissolution, uniform mixing and low melting point, and can greatly improve the preparation efficiency of the colored glass; the prepared colored glass is uniformly colored and the quality is improved.

(3) The present invention is environment friendly, and has no harmful matter of Pb, Cd and other matter, and the product has no color point, bubble, impurity and other demerits.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with examples are described in detail below.