我公司生产的耐火球是在高强度高铝耐火球基础上研制的第二代产品，主要特点：抗高温蠕变性能优良。这种新型高铝耐火球使用寿命达到一代高炉大修周期，可提高热风炉风漏到1250℃以上，节省煤气消耗，节能效果显著。
This product is a second-generation product developed on the basis of high-strength high-aluminum refractory balls. Main features: Excellent resistance to high temperature creep. Its service life reaches a generation of blast furnace overhaul cycle, which can increase the air leakage of hot blast stove to above 1250 ℃, save gas consumption, and have significant energy saving effects.
|
成分/理化指标 |
含量 |
|
Al2O3(%) |
75 |
|
Fe2O3(%)≤ |
1.5 |
|
耐火度（℃）≥ |
1790 |
|
显气孔率%≤ |
23 |
|
体积密度(g/cm3) |
2.5-2.6 |
|
常温耐压强度(N/球）≥ |
23000 |
|
重烧线变化率%（1450℃×2号） |
0-0.2 |
|
荷重软化开始温度（℃）≥ |
1500 |
|
高温蠕变率（%）≤ |
0.5 |
|
热震稳定性（次/1100℃-水冷） |
20 |
|
用途 |
球式热风炉 |
|
备注 |
此参数仅供参考，指标应根据使用环境在合同中临时约定 |
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