阅读说明：本技术 一种陶瓷用大红釉料及其制备方法 (Bright red glaze for ceramics and preparation method thereof ) 是由 黄志璇 于 2019-11-25 设计创作，主要内容包括：本发明公开了一种陶瓷用大红釉料及其制备方法,涉及陶瓷釉料技术领域,该陶瓷用大红釉料由下列重量份的组分组成：钾长石30～50份,石英18～38份,大理石6～13份,高岭土8～15份,透明熔块6～10份,水50～70份,大红色料2～8份,红珊瑚石粉末1～3份；采用红珊瑚石粉末代替碳酸镉作为助熔剂,由于红珊瑚石粉末的主要成分为CaCO<Sub>3</Sub>,因此红珊瑚石粉末的储放环境要求低,节约了原料的储放成本,而且红珊瑚石粉末本身具有红色属性,因此在本发明中也降低了大红色料的使用,进一步降低了成本；由于采用红珊瑚石粉末代替了碳酸镉,使本发明在加工过程中不会产生镉化物以及镉粉尘等有毒物质,进一步提高了加工环境质量,保证操作工人的身体健康。(The invention discloses a bright red glaze for ceramics and a preparation method thereof, relating to the technical field of ceramic glaze, wherein the bright red glaze for ceramics comprises the following components in parts by weight: 30-50 parts of potassium feldspar, 18-38 parts of quartz, 6-13 parts of marble, 8-15 parts of kaolin, 6-10 parts of transparent frit, 50-70 parts of water, 2-8 parts of a bright red pigment and 1-3 parts of red coral powder; adopts the red corallite powder to replace cadmium carbonate as a fluxing agent, and the main component of the red corallite powder is CaCO 3 Therefore, the requirement on the storage environment of the red corallite powder is low, the storage cost of the raw materials is saved, and the red corallite powder has the red attribute, so that the use of a scarlet pigment is reduced in the invention, and the cost is further reduced; because the red corallite powder is adopted to replace cadmium carbonate, cadmium compounds, cadmium dust and other toxic substances are not generated in the processing process, the processing environment quality is further improved, and the operation workers are ensuredThe health is good.)

1. The bright red glaze for ceramics is characterized by comprising the following components in parts by weight:

30-50 parts of potassium feldspar, 18-38 parts of quartz, 6-13 parts of marble, 8-15 parts of kaolin, 6-10 parts of transparent frit, 50-70 parts of water, 2-8 parts of a bright red pigment and 1-3 parts of red coral powder.

2. The scarlet glaze for ceramics according to claim 1, wherein the scarlet glaze for ceramics consists of the following components in parts by weight:

35-45 parts of potassium feldspar, 25-30 parts of quartz, 8-10 parts of marble, 10-13 parts of kaolin, 7-9 parts of transparent frit, 55-65 parts of water, 4-6 parts of a scarlet pigment and 1.5-2.5 parts of red coral powder.

3. The scarlet glaze for ceramics according to claim 2, wherein the scarlet glaze for ceramics is composed of the following components in parts by weight:

40 parts of potash feldspar, 28 parts of quartz, 9 parts of marble, 12 parts of kaolin, 8 parts of transparent frit, 60 parts of water, 5 parts of bright red pigment and 2 parts of red corallite powder.

4. The scarlet glaze for ceramics according to any one of claims 1 to 3, wherein the red coral powder is prepared by: crushing red corallite, carrying out ball milling, and sieving the powder obtained after ball milling with a 325-mesh 380-mesh standard sieve.

5. A preparation method of bright red glaze for ceramics is characterized by comprising the following steps:

uniformly mixing 30-50 parts of potassium feldspar, 18-38 parts of quartz, 6-13 parts of marble, 8-15 parts of kaolin, 6-10 parts of transparent frit and 50-70 parts of water, then ball-milling the mixture into glaze slurry, and screening the glaze slurry through a 325-mesh 380-mesh standard sieve;

step two, uniformly mixing 2-8 parts of the scarlet pigment and 1-3 parts of the red corallite powder, ball-milling the mixture into powder, and screening the powder through a 325-sand 380-mesh standard sieve;

and step three, uniformly mixing the glaze slip obtained in the step one and the powder obtained in the step two to obtain the scarlet glaze for ceramics.

6. The method for preparing a bright red glaze material for ceramics according to claim 5, wherein in the first step, 35 to 45 parts of potassium feldspar, 25 to 30 parts of quartz, 8 to 10 parts of marble, 10 to 13 parts of kaolin, 7 to 9 parts of transparent frit and 55 to 65 parts of water are used; and in the second step, 4-6 parts of a scarlet pigment and 1.5-2.5 parts of red corallite powder.

7. The method for preparing a bright red glaze material for ceramics according to claim 6, wherein in the first step, 40 parts of potassium feldspar, 28 parts of quartz, 9 parts of marble, 12 parts of kaolin, 8 parts of transparent frit and 60 parts of water; and in the second step, 5 parts of a scarlet pigment and 2 parts of red corallite powder.

8. The method for preparing a scarlet glaze for ceramics according to any one of claims 5 to 7, wherein the method for preparing the red coral stone powder is: crushing red corallite, carrying out ball milling, and sieving the powder obtained after ball milling with a 325-mesh 380-mesh standard sieve.

9. The method for preparing a scarlet glaze for ceramics according to any one of claims 5 to 7, wherein the ball milling time in the first step is 16 to 19 hours.

10. The method for preparing a scarlet glaze for ceramics according to any one of claims 5 to 7, wherein in the first step, the glaze slip is deironized 3 to 5 times with a deironing device having a magnetic field strength of 1 ten thousand Gauss.

Technical Field

The invention relates to the technical field of ceramic glaze, in particular to scarlet glaze for ceramics and a preparation method thereof.

Background

The red porcelain in Chinese red porcelain means safety, luckiness, joyous, happiness, fortune, longevity, honor, harmony, reunion, success and the like, has rich cultural connotation and high spiritual bound, and along with the continuous progress of the technology, Chinese red porcelain is gradually applied to daily life appliances, so that the red porcelain which can only be enjoyed by royal families in ancient times gradually enters the lives of modern people.

Chinese patent with an authorization publication number of CN102491794B discloses a bright red glaze for ceramics, which consists of 30-50 parts of potassium feldspar, 20-40 parts of quartz, 5-15 parts of marble, 8-15 parts of kaolin, 6-10 parts of transparent frit, 0.1-0.5 part of cadmium carbonate, 4-12 parts of bright red pigment and 50-70 parts of water; the preparation method comprises the steps of uniformly mixing 30-50 parts of potassium feldspar, 20-40 parts of quartz, 5-15 parts of marble, 8-15 parts of kaolin, 6-10 parts of transparent frit and 50-70 parts of water, carrying out ball milling for 15-20 hours until the fineness reaches 325 meshes, uniformly mixing 0.1-0.5 part of cadmium carbonate and 4-12 parts of scarlet pigment, carrying out ball milling until the fineness reaches 325 meshes, and finally uniformly mixing the two to obtain a scarlet glaze for ceramics; the glaze material has the advantages of good combination with the blank, pure color, good stability, bright color and good glossiness.

However, in the process of practical production of the glaze in the above technical scheme, the inventor observes that cadmium carbonate as a fluxing agent in the glaze is extremely toxic and irritant, so that the requirements on the storage environment and the processing environment are extremely high, the processing cost of the glaze is increased to a certain extent, and in addition, part of cadmium compound and cadmium dust inevitably leaks during processing, so that potential harm is brought to the physical health condition of operators.

Disclosure of Invention

The invention aims to provide a scarlet glaze for ceramics, which aims to solve the problem that cadmium carbonate serving as a fluxing agent in the scarlet glaze for ceramics in the prior art has high toxicity and irritation, so that part of cadmium compounds and cadmium dust inevitably leaks during processing, and potential harm is brought to the health condition of operators.

In order to achieve the purpose, the invention provides the following technical scheme:

a bright red glaze for ceramics comprises the following components in parts by weight: 30-50 parts of potassium feldspar, 18-38 parts of quartz, 6-13 parts of marble, 8-15 parts of kaolin, 6-10 parts of transparent frit, 50-70 parts of water, 2-8 parts of a bright red pigment and 1-3 parts of red coral powder.

The scarlet glaze for ceramics comprises the following components in parts by weight: 35-45 parts of potassium feldspar, 25-30 parts of quartz, 8-10 parts of marble, 10-13 parts of kaolin, 7-9 parts of transparent frit, 55-65 parts of water, 4-6 parts of a scarlet pigment and 1.5-2.5 parts of red coral powder.

The scarlet glaze for ceramics comprises the following components in parts by weight: 40 parts of potash feldspar, 28 parts of quartz, 9 parts of marble, 12 parts of kaolin, 8 parts of transparent frit, 60 parts of water, 5 parts of bright red pigment and 2 parts of red corallite powder.

The preparation method of the red coral stone powder comprises the following steps: crushing red corallite, carrying out ball milling, and sieving the powder obtained after ball milling with a 325-mesh 380-mesh standard sieve.

The invention also aims to provide a preparation method of the scarlet glaze for ceramics, which comprises the following steps:

uniformly mixing 30-50 parts of potassium feldspar, 18-38 parts of quartz, 6-13 parts of marble, 8-15 parts of kaolin, 6-10 parts of transparent frit and 50-70 parts of water, then ball-milling the mixture into glaze slurry, and screening the glaze slurry through a 325-mesh 380-mesh standard sieve;

step two, uniformly mixing 2-8 parts of the scarlet pigment and 1-3 parts of the red corallite powder, ball-milling the mixture into powder, and screening the powder through a 325-sand 380-mesh standard sieve;

and step three, uniformly mixing the glaze slip obtained in the step one and the powder obtained in the step two to obtain the scarlet glaze for ceramics.

In the first step, 35-45 parts of potassium feldspar, 25-30 parts of quartz, 8-10 parts of marble, 10-13 parts of kaolin, 7-9 parts of transparent frit and 55-65 parts of water; and in the second step, 4-6 parts of a scarlet pigment and 1.5-2.5 parts of red corallite powder.

In the first step, 40 parts of potassium feldspar, 28 parts of quartz, 9 parts of marble, 12 parts of kaolin, 8 parts of transparent frit and 60 parts of water; and in the second step, 5 parts of a scarlet pigment and 2 parts of red corallite powder.

The preparation method of the red coral stone powder comprises the following steps: crushing red corallite, carrying out ball milling, and sieving the powder obtained after ball milling with a 325-mesh 380-mesh standard sieve.

The ball milling time in the first step is 16-19 h.

In the first step, the glaze slip is deironing for 3-5 times by using a deironing device with the magnetic field intensity of 1 ten thousand gauss.

Compared with the prior art, the invention has the beneficial effects that:

1. in the present invention, red corallite powder is used to replace cadmium carbonateThe flux is composed of red coral powder as main component CaCO₃Therefore, the requirement on the storage environment of the red corallite powder is low, the storage cost of the raw materials is saved, and the red corallite powder has the red attribute, so that the use of a scarlet pigment is reduced in the invention, and the cost is further reduced;

2. because the red corallite powder is adopted to replace cadmium carbonate, cadmium compounds, cadmium dust and other toxic substances are not generated in the processing process, the processing environment quality is further improved, and the health of operators is ensured;

3. when the glaze provided by the invention is used as a glaze layer of a porcelain, pores, color spots, mud residues and edge pricking conditions of the glaze surface are improved to a certain extent compared with the glaze layer formed by the conventional glaze, and the appearance quality is improved.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.