Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Magnesia brick containing antioxidant C-TiN composite powder and method for preparing the same

A composite powder and anti-oxidant technology, which is applied in the field of carbon-containing refractory materials, can solve the problems of reducing the slag erosion resistance of products, achieve the effects of high hardness, prevent oxidation, and improve utilization

Inactive Publication Date: 2006-10-11
UNIV OF SCI & TECH LIAONING
View PDF1 Cites 20 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It will also reduce the slag erosion resistance of the product

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Magnesia brick containing antioxidant C-TiN composite powder and method for preparing the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Magnesia-carbon bricks containing antioxidant "C-TiN composite powder" contain MgO 82%, C 12%, and TiN 3%.

[0020] The production method of magnesia-carbon bricks containing antioxidant "C-TiN composite powder" includes raw material mixing, molding, and heat treatment. The formula of the magnesia-carbon bricks includes aggregate, matrix, binder and antioxidant. The weight percentages are as follows:

[0021] Fused magnesia 82~84%

[0022] Flake graphite 9~11%

[0023] Binder 2~4%

[0024] Antioxidant 3~5%

[0025] The MgO content of the fused magnesia mentioned therein is ≥97%, and the critical particle size is 5mm;

[0026] Wherein the flake graphite has a C content ≥ 97% and a particle size ≤ 0.15 mm;

[0027] Wherein said binding agent is a thermosetting phenolic resin with a residual carbon content ≥ 45%, which is liquid at normal temperature;

[0028] The antioxidant mentioned therein is C-TiN composite powder, in which TiN≥80%, C≤10%, TiO 2 ≤5%;

[0029] ...

Embodiment 2

[0031] The magnesia carbon brick containing antioxidant "C-TiN composite powder" contains MgO 81%, C 12%, TiN 1.5%, Al 1.5%.

[0032] The production method of magnesia-carbon bricks containing antioxidant "C-TiN composite powder" includes raw material mixing, molding, and heat treatment. The formula of the magnesia-carbon bricks includes aggregate, matrix, binder and antioxidant. The weight percentages are as follows:

[0033] Fused magnesia 82~84%

[0034] Flake graphite 9~11%

[0035] Binder 2~4%

[0036] Antioxidant 3~5%

[0037] The MgO content of the fused magnesia mentioned therein is ≥97%, and the critical particle size is 5mm;

[0038] Wherein the flake graphite has a C content ≥ 97% and a particle size ≤ 0.15 mm;

[0039] Wherein said binding agent is a thermosetting phenolic resin with a residual carbon content ≥ 45%, which is liquid at normal temperature;

[0040] Wherein the antioxidant comprises 60% of C-TiN composite powder and 40% of metal Al powder;

[0...

Embodiment 3

[0043] Magnesia-carbon bricks containing antioxidant "C-TiN composite powder" contain MgO 80-82%, C11-13%, TiN 0.5-2.5%, Al 0.5-2%, Si 0.5-2%.

[0044] The production method of magnesia-carbon bricks containing antioxidant "C-TiN composite powder" includes raw material mixing, molding, and heat treatment. The magnesia-carbon brick raw material formula includes aggregate, matrix, binder, and antioxidant. The weight percentages are as follows:

[0045] Fused magnesia 82~84%

[0046] Flake graphite 9~11%

[0047] Binder 2~4%

[0048] Antioxidant 3~5%

[0049] The MgO content of the fused magnesia mentioned therein is ≥97%, and the critical particle size is 5mm;

[0050] Wherein the flake graphite has a C content ≥ 97% and a particle size ≤ 0.15 mm;

[0051] Wherein said binding agent is a thermosetting phenolic resin, its residual carbon content is ≥ 45%, and it is liquid at normal temperature;

[0052] The antioxidant includes 30-50% of C-TiN composite powder, 20-40% of me...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
particle sizeaaaaaaaaaa
Login to View More

Abstract

The invention provides a magnesite-carbon brick containing anti-oxidization agent of C-TiN composite powder, which comprises the following constituents: MgO 70-90%, C 6-22%, TiN 0.5-10%, Al 0-5%, Si 0-5%, and B4C 0-2%, the preparing process comprises raw material mixing, melting, forming and thermally processing.

Description

technical field [0001] The invention relates to a carbon-containing refractory material and a production method thereof, in particular to a magnesia-carbon brick containing antioxidant "C-TiN composite powder" and a production method thereof. Background technique [0002] Magnesia carbon brick is a carbon-containing refractory material widely used in the iron and steel metallurgy industry, mainly used in converters and ladle working lining parts. Existing magnesia-carbon bricks, like other carbon-containing refractory materials, have the disadvantages of poor oxidation resistance and low strength. For this reason, people have studied the introduction of some metal or non-metallic additives into magnesia carbon bricks to prevent carbon oxidation at high temperatures. Commonly used anti-oxidation additives are Al, Si, SiC, B 4 C, etc., but these antioxidants have certain disadvantages, such as adding Al powder and C to generate Al 4 C 3 It is easy to hydrate, and the introd...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66C04B35/04C04B35/622
Inventor 吴锋李志坚
Owner UNIV OF SCI & TECH LIAONING
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com