High-thermal-conductivity ceramic crucible and preparation method thereof

A ceramic pot and high thermal conductivity technology, which is applied in the field of ceramic products, can solve the problems of heat resistance (thermal shock resistance, poor thermal expansion coefficient, poor appearance, strength and other comprehensive properties, poor thermal conductivity, etc., to improve quality stability , Optimize raw material cost, low water absorption effect

Inactive Publication Date: 2019-05-28
福建省嘉悦陶瓷科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1. Poor thermal conductivity, low cooking efficiency and high energy consumption;
[0007] 2. Poor heat resistance (thermal shock resistance and thermal expansion coefficient), prone to cracking during use, and poor user experience;
[0008] 3. Poor comprehensive performance such as appearance and strength

Method used

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  • High-thermal-conductivity ceramic crucible and preparation method thereof
  • High-thermal-conductivity ceramic crucible and preparation method thereof
  • High-thermal-conductivity ceramic crucible and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A ceramic pot with high thermal conductivity, comprising the following raw materials in parts by weight: 60-75 parts of a mixture of calcined spodumene powder and petalite powder, 15-25 parts of quartz, 25-35 parts of bauxite, 12 parts of a mixture of copper silicide and copper powder ~17 parts, 5~7.5 parts of silicon carbide fiber, 9~15 parts of calcined kaolin; the mass ratio of calcined spodumene powder and petalite powder in the mixture of calcined spodumene powder and petalite powder is 1:( 0.2-0.4); the mass ratio of copper silicide and copper powder in the mixture of copper silicide and copper powder is 1:(0.8-1.1).

[0037] In this embodiment, the preparation method of the high thermal conductivity ceramic pot includes the following steps:

[0038] A, take calcined spodumene powder and petalite powder respectively, and mix uniformly, obtain calcined spodumene powder and petale feldspar powder mixture;

[0039] B, take copper silicide and copper powder respectiv...

Embodiment 2

[0043] A high thermal conductivity ceramic pot, comprising the following raw materials in parts by weight: 67 parts of a mixture of calcined spodumene powder and petalite powder, 18 parts of quartz, 28 parts of bauxite, 13 parts of a mixture of copper silicide and copper powder, and 5.5 parts of silicon carbide fiber parts, 10 parts of calcined kaolin.

[0044] In this embodiment, the mass ratio of the calcined spodumene powder and the petalite powder in the mixture of the calcined spodumene powder and the petalite powder is 1:0.2.

[0045] In this embodiment, the mass ratio of copper silicide and copper powder in the mixture of copper silicide and copper powder is 1:0.95.

[0046] In this embodiment, the particle sizes of the calcined spodumene powder, petalite powder, quartz, bauxite, copper silicide and copper powder are all 1000-5000 mesh.

[0047] In this embodiment, the particle size of the calcined kaolin is 3000 mesh.

[0048] In this embodiment, the preparation meth...

Embodiment 3

[0054] A high thermal conductivity ceramic pot, comprising the following raw materials in parts by weight: 72 parts of a mixture of calcined spodumene powder and petalite powder, 23 parts of quartz, 34 parts of bauxite, 16 parts of a mixture of copper silicide and copper powder, and 6.5 parts of silicon carbide fiber parts, 14 parts of calcined kaolin.

[0055] In this embodiment, the mass ratio of the calcined spodumene powder and the petalite powder in the mixture of the calcined spodumene powder and the petalite powder is 1:0.35.

[0056] In this embodiment, the mass ratio of copper silicide and copper powder in the mixture of copper silicide and copper powder is 1:1.05.

[0057] In this embodiment, the particle sizes of the calcined spodumene powder, petalite powder, quartz, bauxite, copper silicide and copper powder are all 1000-5000 mesh.

[0058] In this embodiment, the particle size of the calcined kaolin is 4000 mesh.

[0059] In this embodiment, the preparation met...

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Abstract

The invention discloses a high-thermal-conductivity ceramic crucible. The high-thermal-conductivity ceramic crucible is prepared from the following raw materials in parts by weight: 60 to 75 parts ofa mixture of calcined spodumene powder and petalite powder, 15 to 25 parts of quartz, 25 to 35 parts of bauxite, 12 to 17 parts of a mixture of copper silicide and copper powder, 5 to 7.5 parts of silicon carbide fibers and 9 to 15 parts of calcined kaolin, wherein in the mixture of the calcined spodumene powder and the petalite powder, the mass ratio of the calcined spodumene powder to the petalite powder is 1:(0.2 to 0.4); in the mixture of the copper silicide and the copper powder, the mass ratio of the copper silicide to the copper powder is 1:(0.8 to 1.1). The high-thermal-conductivity ceramic crucible disclosed by the invention has excellent thermal conductivity, good heat resistance, low water absorption and high compressive strength.

Description

technical field [0001] The invention relates to the field of ceramic products, in particular to a high thermal conductivity ceramic pot and a preparation method thereof. Background technique [0002] Ceramic materials are a class of inorganic non-metallic materials made of natural or synthetic compounds through shaping and high-temperature sintering. It has the advantages of high melting point, high hardness, high wear resistance and oxidation resistance. It can be used as structural material, tool material, and because ceramics also have some special properties, they can also be used as functional materials. [0003] Ceramic products are one of the most common utensils in people's daily life. The development history of ceramics is an important part of the history of Chinese civilization. Among them, the invention and development of ceramics have unique significance. With the development of modern science and technology, modern In the past century, many new ceramic varieti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/80
Inventor 王志秀王嘉王洪光
Owner 福建省嘉悦陶瓷科技有限公司
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