Medium-low-temperature daily-use talc porcelain preparation method

Abstract

The invention discloses a medium-low-temperature daily-use talc porcelain preparation method, wherein the raw materials comprise, by mass, 50-55% of bone carbon, 20-30% of kaolin, 10-20% of feldspar,5-15% of quartz, and 5-10% of calcium sulfate nanometer fiber. The preparation method comprises: selecting raw materials, crushing, matching the materials, carrying out dry powder ball milling, addingcalcium sulfate nanometer fiber, detecting the fineness, adjusting the slurry, discharging the slurry, screening to remove iron, carrying out pressure filtration mud squeezing, milling the mud, directly molding, drying, carrying out biscuit firing for 8 h to achieve a temperature of 1250 DEG C, carrying out thermal insulation for 30 min, and cooling to obtain a daily-use talc porcelain billet. According to the present invention, the production method solves the problems of poor hardness and poor thermal stability of the conventional medium-low-temperature daily-use talc porcelain billet, is scientific and reasonable, and has advantages of advanced process technology, easy implementation, high yield, good product quality, substantially shortened firing cycle, reduced firing temperature, significantly reduced production cost and wide market prospect.

Description

technical field

[0001] The invention belongs to the field of inorganic non-metallic materials (ceramics), and in particular relates to a preparation method of medium-low temperature daily-use steatite porcelain. Background technique

[0002] Daily-use steatite porcelain has been used by nobles in various countries for a long time, and it is currently recognized as a high-grade porcelain in the world. Because of its "thin as paper, transparent as a mirror, sound like a chime, and white as jade", the porcelain is fine and transparent, the shape is beautiful and elegant, the color surface is moist and bright, and the flower surface is colorful, which makes it white and luxurious. The shape of the porcelain has the dual value of use and art. In history, it is a treasure for the court and aristocratic collections. It is a symbol of power and status. It is known as the "King of Porcelain". Due to its high quality, high style and high taste, daily-use talc porcelain has become the...

Examples

Embodiment 1

[0014] (1) According to the mass percentage of raw materials for daily-use talc porcelain body: bone carbon 54%, kaolin 22%, feldspar 14%, quartz 10%, and calcium sulfate nanofiber 6%;

[0015] (2) According to raw material selection, crushing, batching, dry powder ball milling, adding calcium sulfate nanofibers, fineness testing, pulping, pulping, sieving and iron removal, pressing and filtering mud, and refining mud for later use, among which the dry powder ball milling process The time is 18 hours, and the fineness test is passed through a 250-mesh sieve, and the sieve residue is 0.08%;

[0016] (3) After drying the rolled body at 45°C, after 8 hours, biscuit firing to 1250°C, heat preservation for 30 minutes, natural cooling to room temperature and leaving the kiln to obtain daily-use steatite porcelain body;

[0017] The daily-use talc porcelain body has a whiteness of 90.6, a water absorption rate of 0.08, a thermal stability of 180-20°C without cracking after secondary ...

Embodiment 2

[0019] (1) According to the mass percentage of raw materials for daily-use talc porcelain body: bone carbon 50%, kaolin 28%, feldspar 16%, quartz 6%, plus calcium sulfate nanofiber 7%;

[0020] (2) According to raw material selection, crushing, batching, dry powder ball milling, adding calcium sulfate nanofibers, fineness testing, pulping, pulping, sieving and iron removal, pressing and filtering mud, and refining mud for later use, among which the dry powder ball milling process The time is 18 hours, and the fineness test is passed through a 250-mesh sieve, and the sieve residue is 0.08%;

[0021] (3) After drying the rolled body at 45°C, after 8 hours, biscuit firing to 1250°C, heat preservation for 30 minutes, natural cooling to room temperature and leaving the kiln to obtain daily-use steatite porcelain body;

[0022] The daily-use talc porcelain body has a whiteness of 91.2, a water absorption rate of 0.08, a thermal stability of 180-20°C without cracking after two heat e...

technical field

[0001] The invention belongs to the field of inorganic non-metallic materials (ceramics), and in particular relates to a preparation method of medium-low temperature daily-use steatite porcelain. Background technique

[0002] Daily-use steatite porcelain has been used by nobles in various countries for a long time, and it is currently recognized as a high-grade porcelain in the world. Because of its "thin as paper, transparent as a mirror, sound like a chime, and white as jade", the porcelain is fine and transparent, the shape is beautiful and elegant, the color surface is moist and bright, and the flower surface is colorful, which makes it white and luxurious. The shape of the porcelain has the dual value of use and art. In history, it is a treasure for the court and aristocratic collections. It is a symbol of power and status. It is known as the "King of Porcelain". Due to its high quality, high style and high taste, daily-use talc porcelain has become the...

Examples

Embodiment 1

[0014] (1) According to the mass percentage of raw materials for daily-use talc porcelain body: bone carbon 54%, kaolin 22%, feldspar 14%, quartz 10%, and calcium sulfate nanofiber 6%;

[0015] (2) According to raw material selection, crushing, batching, dry powder ball milling, adding calcium sulfate nanofibers, fineness testing, pulping, pulping, sieving and iron removal, pressing and filtering mud, and refining mud for later use, among which the dry powder ball milling process The time is 18 hours, and the fineness test is passed through a 250-mesh sieve, and the sieve residue is 0.08%;

[0016] (3) After drying the rolled body at 45°C, after 8 hours, biscuit firing to 1250°C, heat preservation for 30 minutes, natural cooling to room temperature and leaving the kiln to obtain daily-use steatite porcelain body;

[0017] The daily-use talc porcelain body has a whiteness of 90.6, a water absorption rate of 0.08, a thermal stability of 180-20°C without cracking after secondary ...

Embodiment 2

[0019] (1) According to the mass percentage of raw materials for daily-use talc porcelain body: bone carbon 50%, kaolin 28%, feldspar 16%, quartz 6%, plus calcium sulfate nanofiber 7%;

[0020] (2) According to raw material selection, crushing, batching, dry powder ball milling, adding calcium sulfate nanofibers, fineness testing, pulping, pulping, sieving and iron removal, pressing and filtering mud, and refining mud for later use, among which the dry powder ball milling process The time is 18 hours, and the fineness test is passed through a 250-mesh sieve, and the sieve residue is 0.08%;

[0021] (3) After drying the rolled body at 45°C, after 8 hours, biscuit firing to 1250°C, heat preservation for 30 minutes, natural cooling to room temperature and leaving the kiln to obtain daily-use steatite porcelain body;

[0022] The daily-use talc porcelain body has a whiteness of 91.2, a water absorption rate of 0.08, a thermal stability of 180-20°C without cracking after two heat e...