Preparation method of low-carbon magnesia carbon brick
A carbon-magnesia-carbon brick and magnesia technology, which is applied in the field of preparation of low-carbon magnesia-carbon bricks, can solve the problems of reducing slag resistance and thermal shock resistance, and achieve high strength, low environmental pollution, and small gaps
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0045] Example one
[0046] In this embodiment, the composition (parts by weight) of the raw materials of low-carbon magnesia-carbon bricks is: 95 parts of magnesia; 3 parts of micro-powder graphite; 1 part of metal aluminum powder; 2 parts of magnesia-aluminum cement; 1 part of water, The dosing and processing procedures are carried out as described above.
[0047] The magnesia particle size gradation in this example is: 8mm~5mm15wt%; 5mm~3mm25wt%; 3mm~1mm25wt%, 1mm~0.088mm15wt%, 0.088mm~0mm20wt%; the mass percentage of graphite is 98%, and the particle size gradation is: 5~15μm80wt%; the mass percentage of metal Al powder is 98%, the particle size gradation is: 0.088mm~0mm80wt%; MgO and Al 2 O 3 The total mass percentage of the magnesia-aluminum cement is 50% (that is, the ignition weight loss of the magnesium-aluminum cement is 50% at 1050℃), and its particle size is 0.048mm~0mm; the obtained low-carbon magnesia-carbon brick body is dried at 180℃ Bake for 8 hours.
[0048] The obta
Example Embodiment
[0049] Example two
[0050] In this embodiment, the composition (parts by weight) of the raw materials of low-carbon magnesia-carbon bricks is: 90 parts of magnesia; 8 parts of fine graphite; 2 parts of metal aluminum powder; 4 parts of magnesia-aluminum cement; 2 parts of water. The dosing and processing procedures are carried out as described above.
[0051] The magnesia particle size gradation in this example is: 8mm~5mm1wt%; 5mm~3mm30wt%; 3mm~1mm35wt%, 1mm~0.088mm15wt%, 0.088mm~0mm19wt%; the mass percentage of graphite is 98%, and the particle size gradation is: 5~15μm90wt%; the mass percentage of metal Al powder is 98%, the particle size gradation is: 0.088mm~0mm90wt%; MgO and Al 2 O 3 The total mass percentage of the magnesia-aluminum cement is 50% (that is, the ignition weight loss of the magnesium-aluminum cement is 50% at 1050℃), and its particle size is 0.048mm~0mm; the obtained low-carbon magnesia-carbon brick body is dried at 200℃ Bake for 10 hours.
[0052] The obtained l
Example Embodiment
[0053] Example three
[0054] In this embodiment, the composition (parts by weight) of the raw materials of low-carbon magnesia-carbon bricks is: 92 parts of magnesia; 5 parts of fine graphite; 1 part of metal aluminum powder; 3 parts of magnesia-aluminum cement; 2 parts of water, The dosing and processing procedures are carried out as described above.
[0055] The magnesia particle size gradation in this example is: 8mm~5mm10wt%; 5mm~3mm20wt%; 3mm~1mm30wt%, 1mm~0.088mm25wt%, 0.088mm~0mm15wt%; the mass percentage of graphite is 98%, and the particle size gradation is: 5~15μm85wt%; the mass percentage of metal Al powder is 98%, the particle size gradation is: 0.088mm~0mm85wt%; MgO and Al 2 O 3 The total mass percentage of the magnesia-aluminum cement is 50% (that is, the ignition weight loss of the magnesium-aluminum cement is 50% at 1050℃), and its particle size is 0.048mm~0mm; the obtained low-carbon magnesia-carbon brick body is dried at 190℃ Bake for 9 hours.
[0056] The obtained
PUM
Property | Measurement | Unit |
---|---|---|
Compressive strength | aaaaa | aaaaa |
Compressive strength | aaaaa | aaaaa |
Compressive strength | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap