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Building ceramic material and preparation method thereof

A technology of architectural ceramics and materials, applied in the field of architectural ceramic materials, can solve the problems of poor apparent porosity and low tensile strength, and achieve the effects of increased density, adjustable porosity, and environmental protection

Inactive Publication Date: 2019-07-23
长沙集智创新工业设计有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The compressive strength of ceramics is high, but the tensile strength is low, and the apparent porosity is poor, so a kind of building ceramic material and its preparation method are designed

Method used

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  • Building ceramic material and preparation method thereof
  • Building ceramic material and preparation method thereof
  • Building ceramic material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A building ceramic material, which is prepared from the following raw materials in parts by weight: 40 parts of fly ash, 35 parts of red mud, 5 parts of coal powder, 6 parts of bentonite, and 3 parts of borax;

[0036] Wherein, the building ceramic material is prepared through the following steps:

[0037] Step 1. Pour fly ash, red mud, pore-forming agent, binder and sintering aid into the mixing cylinder 2 through the feeding funnel 1 of the screening device, and the heater 17 heats it, and the second rotating motor 19 Drive the stirring shaft 3 and the stirring rod 18 to stir, stir, heat and dry for 20 minutes;

[0038] Step 2, open the electric control valve, transport the dried material in step 1 to the screening cylinder 5, firstly grind it through the first grinding roller 14 and the second grinding roller 21, and the rotation speed of the grinding roller is 200 rpm; After the ground material is filtered through the screen 9, various materials are obtained;

[0...

Embodiment 2

[0042] A building ceramic material, which is prepared from the following raw materials in parts by weight: 30 parts of fly ash, 20 parts of red mud, 1 part of coal powder, 3 parts of bentonite, and 1 part of borax;

[0043] Wherein, the building ceramic material is prepared through the following steps:

[0044] Step 1. Pour fly ash, red mud, pore-forming agent, binder and sintering aid into the mixing cylinder 2 through the feeding funnel 1 of the screening device, and the heater 17 heats it, and the second rotating motor 19 Drive the stirring shaft 3 and the stirring rod 18 to stir, stir, heat and dry for 10 minutes;

[0045] Step 2, open the electric control valve, transport the dried material in step 1 to the screening cylinder 5, firstly grind it through the first grinding roller 14 and the second grinding roller 21, and the rotation speed of the grinding roller is 200 rpm; After the ground material is filtered through the screen 9, various materials are obtained;

[004...

Embodiment 3

[0049] A building ceramic material, which is prepared from the following raw materials in parts by weight: 35 parts of fly ash, 30 parts of red mud, 3 parts of coal powder, 4 parts of bentonite, and 2 parts of borax;

[0050] Wherein, the building ceramic material is prepared through the following steps:

[0051] Step 1. Pour fly ash, red mud, pore-forming agent, binder and sintering aid into the mixing cylinder 2 through the feeding funnel 1 of the screening device, and the heater 17 heats it, and the second rotating motor 19 Drive the stirring shaft 3 and the stirring rod 18 to stir, stir, heat and dry for 30 minutes;

[0052] Step 2, open the electric control valve, transport the dried material in step 1 to the screening cylinder 5, firstly grind it through the first grinding roller 14 and the second grinding roller 21, and the rotation speed of the grinding roller is 200 rpm; After the ground material is filtered through the screen 9, various materials are obtained;

[0...

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Abstract

The invention discloses a building ceramic material and a preparation method thereof. The building ceramic material is prepared from the following raw materials in parts by weight: 30-40 parts of flyash, 20-35 parts of red mud, 1-5 parts of a pore former, 3-6 parts of a binder and 1-3 parts of a sintering aid. The fly ash, the red mud, the pore former, the binder and the sintering aid are pouredinto a stirring cylinder through a feed hopper of a screening device respectively. Various raw materials are firstly screened and refined through the screening device, and the powdery raw materials are combined, so that the blending and dispersion effects of the raw materials are better; besides, the finer the powdery raw materials are, the higher the surface energy is, and subsequent sintering iseasier; the raw materials are subjected to high-temperature sintering operation, so that compactness of a sintered body is improved, and overall strength is obviously increased; moreover, heat preservation and sintering time in all stages is set to be different, the microstructure of the sintered body can be effectively improved, and the situation that various properties of the sintered body areaffected by over-sintering is avoided.

Description

technical field [0001] The invention relates to the technical field of building ceramic materials, in particular to a building ceramic material and a preparation method thereof. Background technique [0002] Ceramic materials refer to 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. Ceramic materials are the materials with the best rigidity and the highest hardness among engineering materials, and their hardness is mostly above 1500HV. The compressive strength of ceramics is high, but the tensile strength is low, and the apparent porosity is poor, so a building ceramic material and its preparation method are designed. Contents of t...

Claims

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Application Information

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IPC IPC(8): C04B38/06C04B33/135C04B33/132C04B33/13B02C4/02B02C23/16
CPCB02C4/02B02C23/16B02C2023/165C04B33/131C04B33/1321C04B33/1352C04B38/0675C04B38/068Y02P40/60
Inventor 袁利峰林金英
Owner 长沙集智创新工业设计有限公司
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