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Environmentally friendly refractory material and preparation method thereof

A kind of refractory material and environment-friendly technology, applied in the field of environment-friendly refractory material and its preparation, can solve the problems that refractory materials cannot be fully described, and achieve the effect of ensuring thermal shock resistance, long service life and good oxidation resistance

Inactive Publication Date: 2016-09-28
HUANGHE S & T COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is not possible to fully describe refractory materials only by the definition of refractoriness. 1580°C is not absolute.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The environment-friendly refractory material in this embodiment is composed of the following mass parts: 60 parts of magnesia particles, 10 parts of magnesia fine powder, 10 parts of silicon carbide particles, 10 parts of silicon powder, 10 parts of magnesium ferrite, expansion 14 parts of perlite, 10 parts of chromium oxide fine powder, 10 parts of aluminum silicate fiber, 12 parts of aluminum nitride, 10 parts of potassium feldspar, 12 parts of mullite, 14 parts of carbon black, 16 parts of chromium oxide fine powder, plate 12 parts of corundum powder, 1 part of antioxidant, 4 parts of organic binder.

[0025] The MgO content of the magnesia particles is 90wt.%, and the particle size is 0.08mm, and the MgO content of the magnesia fine powder is 92wt.%, and the particle size is less than 0.08mm. Among the above-mentioned silicon carbide particles, it is composed of silicon carbide particles with a particle size of 300-350 μm, silicon carbide particles with a particle s...

Embodiment 2

[0037] The environment-friendly refractory material in this embodiment is composed of the following mass parts: 80 parts of magnesia particles, 20 parts of magnesia fine powder, 30 parts of silicon carbide particles, 30 parts of silicon powder, 15 parts of magnesium ferrite, expansion 17 parts of perlite, 16 parts of chromium oxide fine powder, 15 parts of aluminum silicate fiber, 18 parts of aluminum nitride, 17 parts of potassium feldspar, 16 parts of mullite, 17 parts of carbon black, 18 parts of chromium oxide fine powder, plate 16 parts of corundum powder, 10 parts of antioxidant, 10 parts of organic binder.

[0038] The MgO content of the magnesia particles is 94wt.%, and the particle size is 3mm, and the MgO content of the magnesia fine powder is 94wt.%, and the particle size is less than 0.08mm. Among the above-mentioned silicon carbide particles, it is composed of silicon carbide particles with a particle size of 300-350 μm, silicon carbide particles with a particle s...

Embodiment 3

[0050] The environment-friendly refractory material in this embodiment is composed of the following mass parts: 70 parts of magnesia particles, 15 parts of magnesia fine powder, 20 parts of silicon carbide particles, 20 parts of silicon powder, 20 parts of magnesium ferrite, expansion 20 parts of perlite, 22 parts of chromium oxide fine powder, 20 parts of aluminum silicate fiber, 24 parts of aluminum nitride, 24 parts of potassium feldspar, 20 parts of mullite, 20 parts of carbon black, 20 parts of chromium oxide fine powder, plate 20 parts of corundum powder, 6 parts of antioxidant, 7 parts of organic binder.

[0051] The MgO content of the magnesia particles is 92wt.%, and the particle size is 1.5mm. The MgO content of the magnesia fine powder is 93wt.%, and the particle size is less than 0.08mm. Among the above-mentioned silicon carbide particles, it is composed of silicon carbide particles with a particle size of 300-350 μm, silicon carbide particles with a particle size ...

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Abstract

The invention relates to an environmentally friendly refractory material. The environmentally friendly refractory material comprises, by mass, 60-80 parts of magnesia particles, 10-20 parts of magnesia fine powder, 10-30 parts of silicon carbide particles, 10-30 parts of silicon powder, 10-20 parts of magnesium ferrite, 14-20 parts of expanded perlite, 10-22 parts of chrome oxide fine powder, 10-20 parts of alumina silicate fibers, 12-24 parts of aluminum nitride, 10-24 parts of potassium feldspar, 12-20 parts of mullite, 14-20 parts of carbon black, 16-20 parts of chrome oxide micro-powder, 12-20 parts of tabular corundum powder, 1-10 parts of an anti-oxidant and 4-10 parts of an organic bonding agent. The environmentally friendly refractory material has high strength, thermal shock resistance, oxidation resistance, wear resistance, erosion resistance, high temperature resistance and long service life.

Description

technical field [0001] The invention relates to an environment-friendly refractory material and a preparation method thereof, belonging to the technical field of refractory material preparation. Background technique [0002] Refractory materials are used in various fields of the national economy such as steel, non-ferrous metals, glass, cement, ceramics, petrochemicals, machinery, boilers, light industry, electric power, and military industry. They are essential materials to ensure the production and operation of the above industries and technological development. It plays an irreplaceable important role in the development of high temperature industrial production. A class of inorganic non-metallic materials with a refractoriness not lower than 1580°C. Refractoriness refers to the Celsius temperature at which a refractory conical sample can resist high temperature without softening and melting without load. However, it is not possible to fully describe refractory materials...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/047
CPCC04B35/047C04B2235/3217C04B2235/3241C04B2235/3274C04B2235/3463C04B2235/3472C04B2235/3826C04B2235/3865C04B2235/402C04B2235/424C04B2235/428C04B2235/5228C04B2235/5436
Inventor 郭艳芹王永伟崔磊磊肖保辉赵亮赵翔郑智飞
Owner HUANGHE S & T COLLEGE
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