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Selenium-rich ceramic appliance and preparation technology thereof

A technology for ceramics and appliances, applied in the field of selenium-enriched ceramic appliances, can solve the problems of high cost, poor crack resistance, poor thermal shock resistance, etc., and achieve the effects of low cost, good crack resistance and convenient mining.

Active Publication Date: 2018-05-29
JIANGXI JINGSHANG IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional selenium-rich ceramics have high cost and poor crack resistance and thermal shock resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The body of the ceramic ware is fired from the raw materials with the following mass percentages:

[0038] 30 parts by mass of selenium-enriched soil

[0039] Petalite 45 parts by weight;

[0040] 15 parts by weight of spodumene;

[0041] 6 parts by weight of quartz;

[0042] 15 parts by weight of kaolin;

[0043] 5 parts by weight of microcrystalline ceramic powder;

[0044] 3 parts by weight of halloysite nanotubes;

[0045] Nano tungsten carbide powder 0.5 parts by weight;

[0046] Nano technetium oxide powder 0.5 parts by weight;

[0047] 0.3 parts by weight of polyacrylamide.

[0048] Among them, Li in Lithium feldspar 2 0 content is 4.9%, by mass percentage; Li in spodumene 2 0 content is 5.0%, in mass percentage.

[0049] Wherein, the melting temperature of the microcrystalline ceramic powder is not lower than the firing temperature of the heat-resistant ceramic frying pan, and during the firing process of the heat-resistant ceramic frying pan, the micr...

Embodiment 2

[0061] The body of the ceramic ware is fired from the raw materials with the following mass percentages:

[0062] 40 parts by mass of selenium-enriched soil

[0063] Petalite 45 parts by weight;

[0064] 13 parts by weight of spodumene;

[0065] 12 parts by weight of quartz;

[0066] 12 parts by weight of kaolin;

[0067] 6 parts by weight of microcrystalline ceramic powder;

[0068] 2 parts by weight of halloysite nanotubes;

[0069] 1 part by weight of nanometer tungsten carbide powder;

[0070] Nano technetium oxide powder 0.5 parts by weight;

[0071] 0.5 parts by weight of polyacrylamide.

[0072] The preparation process of selenium-enriched ceramic utensils is as follows:

[0073] a. Lithium feldspar, spodumene, quartz, kaolin, talc are crushed, sieved, and iron removed in advance, and selenium-enriched soil is sieved to remove iron; the raw materials are weighed according to the formula ratio, and after adding water ball mill, press filtration, rough refining, ...

Embodiment 3

[0082] The body of the ceramic ware is fired from the raw materials with the following mass percentages:

[0083] 45 parts by mass of selenium-enriched soil

[0084] Petalite 35 parts by weight;

[0085] 7 parts by weight of spodumene;

[0086] 15 parts by weight of quartz;

[0087] Kaolin 10 parts by weight;

[0088] 8 parts by weight of microcrystalline ceramic powder;

[0089] Halloysite nanotube 1 part by weight;

[0090] Nano tungsten carbide powder 0.5 parts by weight;

[0091] Nano technetium oxide powder 1 part by weight;

[0092] 0.4 parts by weight of polyacrylamide.

[0093] The preparation process of selenium-enriched ceramic utensils is as follows:

[0094] a. Lithium feldspar, spodumene, quartz, kaolin, talc are crushed, sieved, and iron removed in advance, and selenium-enriched soil is sieved to remove iron; the raw materials are weighed according to the formula ratio, and after adding water ball mill, press filtration, rough refining, Aged, refined, an...

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Abstract

The invention relates to a selenium-rich ceramic appliance. A ceramic appliance body is fired from raw materials in parts by mass as follows: 30-50 parts of selenium-rich soil, 35-45 parts of petalite, 5-15 parts of spodumene, 1-15 parts of quartz, 10-15 parts of kaolin, 5-8 parts of microcrystalline ceramic powder, 1-3 parts of halloysite nanotubes, 0.5-1 part of nano tungsten carbide powder, 0.5-1 part of nano technetium oxide powder and 0.3-0.5 parts of polyacrylamide. The inner wall of the ceramic appliance body is coated with a selenium-containing coating. The selenium-rich ceramic appliance is prepared from main materials including cheaper petalite and selenium-rich soil, is coated with the selenium-rich coating, has good thermal shock resistance, crack resistance, wear resistance and heat conductivity and can separate out trace selenium element to supplement the human body with selenium.

Description

technical field [0001] The invention belongs to the technical field of inorganic ceramic materials, and in particular relates to a selenium-enriched ceramic utensil which can supplement selenium to food. Background technique [0002] Ceramic cooking utensils have unique advantages such as good heat storage, environmental protection, and corrosion resistance. Various ceramic cooking utensils have appeared in common people's homes and catering industries, competing with traditional metal cooking utensils. [0003] Selenium is currently internationally recognized as an essential trace element for the human body with special physiological functions. If it is deficient, it will easily lead to diseases such as cardiovascular disease, liver disease, cancer, and Kashin-Beck disease. And about 2 / 3 of my country's land is in the selenium deficiency zone, and the normal intake is much lower than the physiological demand value, so it is necessary to supplement the intake of selenium in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/04C04B33/13C04B33/16C04B33/36C04B41/89
CPCC04B33/04C04B33/1305C04B33/131C04B33/16C04B33/36C04B41/009C04B41/52C04B41/89C04B2235/3472C04B2235/3847C04B2235/96C04B2235/9607C04B41/5022C04B41/5049
Inventor 袁勇
Owner JIANGXI JINGSHANG IND CO LTD
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