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A heat-resistant purple sand cooker with high performance, low expansion and far-infrared radiation function and its preparation method

A far-infrared radiation and low-expansion technology, which can be used in home appliances, clay products, and other home appliances. It can solve the problems that are difficult to meet in production development and market applications. The firing range of cordierite materials is narrow and the thermal stability fluctuates greatly. and other issues, to achieve the effects of strengthening far-infrared emission power, moderate porosity, and improving thermal shock resistance

Active Publication Date: 2018-01-09
景德镇市景火瓷业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the expansion coefficient obtained is still high, easy to crack, and unsafe to use; moreover, the firing range of cordierite material is narrow, the thermal stability fluctuates greatly, and the yield is low.
All in all, the existing technology still cannot well solve the technical problems existing in the traditional purple clay ware, and has become a bottleneck in the development of purple clay ware enterprises, and it is difficult to meet the needs of production development and market application

Method used

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  • A heat-resistant purple sand cooker with high performance, low expansion and far-infrared radiation function and its preparation method
  • A heat-resistant purple sand cooker with high performance, low expansion and far-infrared radiation function and its preparation method
  • A heat-resistant purple sand cooker with high performance, low expansion and far-infrared radiation function and its preparation method

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Embodiment Construction

[0018] The material composition of the heat-resistant purple clay cookware with high performance, low expansion and far-infrared radiation function in the embodiment of the present invention is shown in Table 1.

[0019] Table 1 The material composition of the heat-resistant purple sand cookware with high performance, low expansion and far-infrared radiation function of the embodiment of the present invention

[0020]

[0021] *The chemical composition of rare earth tailings is: Na 2 O 0.26~0.28wt%, MgO 0.08~0.18wt%, Al 2 o 3 16.40~17.68wt%, SiO 2 73.78~75.28wt%, K 2 O 0.28~0.32wt%, TiO 2 0.38~0.55wt%, Fe 2 o 3 1.86-2.28wt%, loss on ignition 5.46-6.88wt%.

[0022] **The amount of green body additives is relative to the green body base material.

[0023] The preparation method of the heat-resistant purple sand cookware with high performance, low expansion and far-infrared radiation function of the embodiment of the present invention is as follows:

[0024] After ...

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Abstract

The invention discloses a high-performance low-expansion heat-resistant purple clay cookware with a far-infrared radiation function. The purple clay cookware is composed of a blank base material and a blank additive. The blank base material is composed of 45-57wt% of purple clay, 28-40wt% of lithium feldspar, 5-10wt% of purple clay crude ore, 1-3wt% of knar clay, 5-9wt% of black talc, 0.5-1.5wt% of bentonite, 1-3wt% of rare earth tailings, and 1-3wt% of alumina micro powder. Relative to the blank base material, the blank additive comprises 10-15wt% of anionic far-infrared micro powder, 1-2wt% of zirconia micro powder, and 0.5-1wt% of yttrium oxide micro powder. The invention also discloses a preparation method of the high-performance low-expansion heat-resistant purple clay cookware with far-infrared radiation function. The heat-resistant purple clay cookware provided by the invention has low production cost and good moldability. According to the invention, product thermal shock resistance, mechanical strength and far-infrared emissivity are effectively improved, such that consumer application safety and healthcare needs can be met. Therefore, the cookware and the preparation method are beneficial for promoting the technological progress and application development of purple clay cookware industry.

Description

technical field [0001] The invention relates to the technical field of ceramic cookware, in particular to a heat-resistant purple clay cookware with high performance, low expansion and far-infrared radiation function and a preparation method thereof. Background technique [0002] Zisha is a kind of stoneware, which is a ceramic product between pottery and porcelain. It is characterized by dense structure, close to porcelain, high strength, small particles, and shell-shaped or stone-shaped fracture, but it does not have the characteristics of porcelain. The translucency of the tire; different from ordinary pottery blanks, purple sand has a double pore structure. As a traditional daily necessities, purple sand has the advantages of far-infrared radiation, acid and alkali corrosion resistance, and non-toxicity. The surface of the purple clay ware has a sandy and matte effect, and the texture is simple and mellow. It has always been highly artistic and ornamental. Based on the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B33/13C04B33/32
CPCC04B33/13C04B33/32C04B2235/3217C04B2235/3224C04B2235/3225C04B2235/3244C04B2235/3472C04B2235/5436C04B2235/6567C04B2235/6583
Inventor 包启富董伟霞周健儿
Owner 景德镇市景火瓷业有限公司
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