浇注料 refractory castables
又称耐火浇注料。 一种由耐火物料加入一定量结合剂制成的粒状和粉状材料。具有较高流动性，适用于以浇注方式成型的不定形耐火材料。
同其他不定形耐火材料相比，结合剂和水分含量较高，流动性较好，故而不定型耐火材料应用范围较广，可根据使用条件对所用材质和结合剂加以选择。既可直接浇注成衬体使用，又可用浇注或震实方法制成预制块使用。
用途：主要用于循环流化床锅炉燃烧室、分离器及烟道等易冲刷磨损的部位。
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项目 | 指标 | |||
NMJ-1 | NMJ-2 | NMJ-3 | ||
AL2O3 ％ | 60 | 65 | 70 | |
体积密度（g/cm3） | 110℃×24h干后 ≥ | 2.40 | 2.60 | 2.80 |
常温耐压强度 MPa | 110℃×24h干后 ≥ | 55 | 60 | 65 |
1000℃×3h烧后 ≥ | 80 | 90 | 100 | |
常温抗折强度 MPa | 110℃×24h干后 ≥ | 7 | 8 | 9 |
1000℃×3h烧后 ≤ | 9 | 11 | 13 | |
烧后线变化 ％ | 1000℃×3h | -0.3~+0.3 | -0.3~+0.3 | -0.3~+0.3 |
常温磨损量 cm3 | 1000℃×3h烧后 ≤ | 9 | 8 | 7 |
抗热震性 次 | （1000℃，水冷）≤ | 20 | 20 | 20 |
最高使用温度 ℃ Max service tempeature | 1400 | 1450 | 1500 | |
Products- wearable castable series
Item | Products | SiC castables | Corundum castable | Ultra-high strength wear-resistant castable TNJ-150 | Steel fiber wearable castable | High-strength wear-resistant refractory castable TNJ-120 |
Al203% | ≥ | 88（SiC） | 85 | 82 | 80 | 80 |
Bulk Density g / cm3 | ≥ | 2.95 | 3.15 | 3.0 | 2.90 | 2.93 |
Compressive strength at common temperature | 110℃×24h | 120 | 160 | 150 | 125 | 120 |
MPa ≥ | 1000℃×3h | 135 | 190 | 180 | 140 | 130 |
Flexural strength at common temperature | 110℃×24h | 18 | 22 | 18 | 17 | 17 |
MPa ≥ | 1000℃×3h | 20 | 24 | 20 | 19 | 19 |
Line rate of change after burning | 1000℃×3h | -0.2~0.2 | -0.2~0.2 | -0.2~0.2 | -0.2~0.2 | -0.2~0.2 |
Thermal shock resistance | ≥1000℃
| 50 | 50 | 50 | 50 | 50 |
Wear at common temperature | ≤ | 2 | 2 | 3 | 3 | 4 |
The maximum temperature ℃ | ≥ | 1790 | 1790 | 1790 | 1790 | 1790 |
Item | Products | Wear-resistant castable TNJ-80 | Refractory castable TNJ-50 | Refractory concrete TNJ-30 |
Al203% | ≥ | 75 | 70 | 55 |
Bulk Density g / cm3 | ≥ | 2.75 | 2.65 | 2.2 |
Compressive strength at common temperature | 110℃×24h | 90 | 70 | 30 |
MPa ≥ | 1000℃×3h | 120 | 90 | 40 |
Flexural strength at common temperature | 110℃×24h | 14 | 12 | 5 |
MPa ≥ | 1000℃×3h | 16 | 14 | 7 |
Line rate of change after burning | 1000℃×3h | -0.2~0.2 | -0.2~0.2 | -0.3~0.3 |
Thermal shock resistance | ≥1000℃
| 50 | 30 | 20 |
Wear at common temperature | ≤ | 4 | 5 | —— |
The maximum temperature ℃ | ≥ | 1500 | 1450 | 1400 |
Induction Furnace Refractories Products
Indicators Project Grade | Al2O3+MgO+Cr2O3 % | Cr2O3 % | Al2O3 % | SiO2 % | CaO % | The maximum temperature | Uses | |
corundum material | ZP-B1 | 97.1 |
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| 1760 | Suitable for large and medium-sized induction furnaces can be smelt containing nickel, chromium, and manganese, cobalt high-alloy steel and cast steel. |
ZP-B2 | 96.6 |
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| 1750 | ||
ZP-B3 | 96 |
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| 1720 | ||
Repair material | ZP-K1 |
| 3.8 | 75.1 | 12.8 |
| 1760 | Supporting dry mouth and play materials for the furnace lining repair |
ZP-K2 | 90 |
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| 4.3 |
| 1650 | Lining material used in the wet patch to play. | |
Spinel Ramming | MA-1 | 86.9 |
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| 1650 | For cold-working die steel, hot die steel, cast steel, etc. |
MA-2 | 91.1 |
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| 1700 | All structural steel used in high-speed tool steel, cast steel, etc. | |
MA-3 | 95 |
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| 1710 | Can be used for refining stainless steel, military steel. | |
Siliceous material | ZP-S |
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| 97.2 |
| 1650 | Using acidic steel making, smelting carbon steel, low alloy steel, high silicon steel and ductile cast iron. |
Magnesia Ramming | ZP-M1 | 91 |
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| 1700 | For small-capacity induction furnace, smelting manganese steel, high alloy steel. |
ZP-M2 | 97 |
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| 1850 | Vacuum induction furnace for smelting steel and high-temperature alloy precision. | |
Induction coil coating | ZP-T |
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| 85.3 | 4.7 | 4.6 |
| Protective coating for the induction coil |
