- Category
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- Product type
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Category
Rapid Aluminum Melting Furnace
Nonferrous
The rapid aluminum melting furnace is designed to melt aluminum scrap and ingot efficiently in a short time. In recent years, this type of furnace has been widely adopted to reduce energy consumption and enhance productivity. Due to the rapid thermal load and intense convection, the operating conditions are significantly harsher compared to conventional reverberatory furnaces.
Examples of Refractory Applications
| Part | Main Refractory Used | Properties |
|---|---|---|
| ①Furnace Hearth / Lower Furnace Walls | High-alumina brick, high-alumina castable, zircon-based castable | Resistance to molten aluminum, non-wettability to aluminum, resistance to slag, high strength |
| ②Slag Contact Area / Vicinity of Lower Walls | High-alumina brick, high-alumina castable | Resistance to molten aluminum, non-wettability to aluminum, resistance to slag, thermal shock resistance |
| ③Furnace Roof / Flame Contact Area | High-alumina material | Non-wettability to aluminum, resistance to slag, thermal shock resistance |
| ④Burner Nozzle Area / Surroundings | High-alumina precast materials | Resistance to molten aluminum, non-wettability to aluminum, high strength |
Quality Table
These data are typical properties subject to reasonable variation and should not be treated as specifications.
Standard product
［Refractory brick］
| Brand | Main raw materials | Chemical composition／％ | Bulk density | Apparent porosity／％ | Cold crushing strength／MPa | Refractoriness SK | Thermal spalling resistance JIS 1000℃ times-loss％ |
Linear thermal expansion 1000℃／％ |
Thermal conductivity Wm-1K-1 | Mortar | Application | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SiO2 | Al2O3 | ZrO2 | Fe2O3 | 400℃ | 1000℃ | ||||||||||
| Coruna-FX3 | Alumina | 94 | 0.5 | 3.45 | 10.0 | 200 | M-AW | ①② | |||||||
| Coruna-FX2 | Alumina | 7 | 83 | 2 | 2.95 | 14.0 | 170 | M-A | ①② | ||||||
| Coruna-FV | Alumina | 9 | 85 | 1 | 2.95 | 15.0 | 150 | M-A | ①② | ||||||
| Coruna-3SP-S3 | Alumina | 0.04 | 99.4 | 0.04 | 3.32 | 16.3 | 100 | >40 | 0.67 | 6.4 | 3.9 | M-AW | ①② | ||
| Coruna-3SP | Alumina | 0.1 | 98.3 | 0.1 | 3.29 | 15.0 | 107 | >40 | 0.77 | 7.1 | 4.5 | M-AW | ①② | ||
| Coruna-F3 | Alumina | 8 | 87 | 1.5 | 2.92 | 15.0 | 150 | 39 | 0.75 | 2.9 | M-A | ①② | |||
| Coruna-F2 | Alumina | 9 | 86 | 1.5 | 2.92 | 14.0 | 140 | 39 | 15times-0% | 0.75 | M-A | ①②③ | |||
Generic product
［Castable refractory of YOTAI］
Glob Refractories
| Brand | Main raw materials | Chemical composition／％ | Linear thermal expansion 1000℃ ／％ |
Thermal conductivity Wm-1K-1 |
Cold crushing strength after heat／MPa |
Quantity required kgm-3 |
Water required ％ |
Application | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SiO2 | Al2O3 | ZrO2 | Fe2O3 | 400℃ | 1000℃ | 110℃×24hr | 1000℃×3hr | 1200℃×3hr | 1500℃×3hr | ||||||
| GLB-19NW2 | Alumina | 5.5 | 87 | 0.5> | 100 | 120 | 120 | 3100 | 4.0-6.0 | ①② | |||||
| GLB-19NW | Alumina | 0.5> | 90 | 0.5> | 3.0 | 3.0 | 40 | 50(800℃) | 100(1100℃) | 3200 | 4.0-5.0 | ①② | |||
| GLB-17SNW | Alumina | 16 | 80 | 1 | 100 | 140 | 160 | 3000 | 4.0-6.0 | ①②③ | |||||
| GLB-18BA | Alumina | 10 | 86 | 0.5 | 0.52 | 2.8 | 2.8 | 65 | 95 | 115 | 130 | 3100 | 4.5-6.0 | ①② | |
| GLB-17S | Alumina | 13 | 82 | 1 | 0.49 | 3.0 | 3.0 | 98 | 160 | 180 | 150 | 3000 | 4.7-6.0 | ①②③ | |
C（C（Alumina-cement bonded castable））、
IC（Lightweight Insulating Castable）
| Brand | Main raw materials | Chemical composition／％ | Linear thermal expansion 1000℃ ／％ |
Thermal conductivity Wm-1K-1 |
Cold crushing strength after heat／MPa |
Quantity required kgm-3 |
Water required ％ |
Application | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SiO2 | Al2O3 | ZrO2 | Fe2O3 | 400℃ | 1000℃ | 110℃×24hr | 1000℃×3hr | 1200℃×3hr | 1500℃×3hr | ||||||
| C-160AR | Fire clay | 35 | 56 | 1 | 0.45 | 1.2 | 1.3 | 30 | 23 | 25 | 41 | 2150 | 13-16 | ③ | |
| IC-140S | Fire clay | 39 | 45 | 1 | 0.30 | 0.46 | 0.64 | 8 | 5 | 6 | - | 1400 | 28-40 | Back Lining | |
| C-AZM | Alumina, Fire clay, Zircon | 31 | 48 | 16 | 1 | 0.30 | 32 | 23 | 26 | 2200 | 11-13 | Repair Material | |||
| IC-110S | Fire clay | 47 | 35 | 2 | - | 0.24 | 0.40 | 4 | 3 | 950 | 50-60 | Back Lining | |||
Generic product
［Plastic refractories of YOTAI］
| Brand | Main raw materials | Chemical composition／％ | Thermal conductivity Wm-1K-1 |
Cold crushing strength after heat／MPa |
Quantity required kgm-3 |
Application | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SiO2 | Al2O3 | ZrO2 | Fe2O3 | 400℃ | 1000℃ | 110℃×24hr | 1000℃×3hr | 1200℃×3hr | 1500℃×3hr | ||||
| P-38 | Alumina | 11 | 85 | 0.5 | 8 | 17 | 37 | 61 | 2850 | Repair Material | |||
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