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Sulfur recovery unit
The products needed for the sulfur recovery device: chrome corundum bricks, corundum mullite bricks, light mullite brick series products and supporting mortar, corundum castables, acid-resistant castables, and thermal insulation ceramic pipe series products.
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Refractory materials for sulfur recovery device (1)
Technical index of refractory series
| performance name |
Maximum use temperature ℃ |
volume |
Compressive strength MPa |
Flexural strength MPa |
Linear change rate % |
Heat conduction coefficient w/m.k |
chemical composition % |
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|
110℃ |
110℃ |
1100℃ |
1400℃ |
110℃ |
1100℃ |
1400℃ |
1400℃ |
350℃ |
Al2O3 |
Fe2O3 |
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|
GCL-3000 Corundum castable |
1750 |
≤3000 |
≥50 |
≥80 |
≥100 |
≥6 |
≥8 |
≥10 |
0~-0.6 |
|
≥90 |
≤0.7 |
|
QMS-1200 |
1400 |
≤1250 |
≥8 |
≥6 |
|
≥2.0 |
≥2.0 |
|
±0.35 |
≤0.3 |
|
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GMS-3000 Corundum mullite castable |
1500 |
≤2900 |
≥60 |
≥90 |
≥100 |
≥7 |
≥10 |
≥10 |
±0.45 |
|
≥75 |
≤1 |
|
Anchor brick |
1750 |
≤2950 |
≥50(Room temperature withstand voltage) |
|
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|
0~-0.6 |
|
≥90 |
≤0.7 |
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| Acid-resistant lining |
1200 |
≤1250 |
≥8 |
≥6 |
|
≥2.0 |
≥2.0 |
|
Acid resistance |
≤0.35 |
≤35 |
≤1 |
| Reactor lining |
1400 |
≥1200 |
≥16 |
≥20 |
|
≥3.0 |
≥3.5 |
|
0~-0.2 |
Acid resistance |
|
≤3 |
| Condenser lining |
1300 |
≥1200 |
≥12 |
≥16 |
|
≥2.5 |
≥3.0 |
|
0~-0.2 |
Acid resistance |
|
≤3 |
| Acid-resistant tiles |
600 |
≤2000 |
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≤35 |
|
| Furan Cement |
300 |
|
≥7(tensile strength) |
≥2(Bond strength) |
(Referring to hard time) no later than 12 hours | |||||||
| Acid-resistant mortar |
≥300 |
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Refractory materials for sulfur recovery equipment (2)
Series of physical and chemical indicators of corundum bricks
|
name index
|
High purity and low silicon Corundum Brick |
Pure corundum brick |
Mullite combined with corundum brick | Chrome Corundum Brick | complex Brown Corundum Brick | |
|
chemical composition（%） |
Al2O3 |
≥99.5 |
≥98.5 |
90 |
≥88 |
≥78 |
|
SiO2 |
≤0.1 |
≤0.5 |
8 |
|
≥14 |
|
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Fe2O3 |
≤0.1 |
≤0.1 |
0.8 |
≤0.3 |
|
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Cr2O3 |
|
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|
10~12 |
|
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Bulk density(g/cm3) |
≥3.15 |
≥3.0 |
2.8~3.0 |
≥3.15 |
≥3.0 |
|
|
Compressive strength at room temperature(Mpa) |
≥100 |
≥80 |
70~110 |
80~100 |
98 |
|
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High temperature flexural strength(Mpa) |
≥9.8 |
|
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0.2Mpa load softening temperatureT0.6(℃) |
≥1700 |
≥1680 |
1650 |
≥1700 |
≥1680 |
|
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Refractoriness(℃) |
≥1900 |
≥1850 |
1790 |
|
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|
| Thermal shock stability 1100℃~water cooling (times) |
≥6 |
≥6 |
8 |
|
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Reburn line changes1600℃×3h(%) |
≤0.1 |
≤0.1 |
±0.5 |
0~0.2 |
1500℃ |
|
|
Apparent porosity(%) |
≤17 |
≤18 |
18~21 |
≤18 |
≤18 |
|
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