我公司生產(chǎn)的耐火球是在高強(qiáng)度高鋁耐火球基礎(chǔ)上研制的第二代產(chǎn)品，主要特點(diǎn)：抗高溫蠕變性能優(yōu)良。這種新型高鋁耐火球使用壽命達(dá)到一代高爐大修周期，可提高熱風(fēng)爐風(fēng)漏到1250℃以上，節(jié)省煤氣消耗，節(jié)能效果顯著。
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/理化指標(biāo) |
含量 |
|
Al2O3(%) |
75 |
|
Fe2O3(%)≤ |
1.5 |
|
耐火度（℃）≥ |
1790 |
|
顯氣孔率%≤ |
23 |
|
體積密度(g/cm3) |
2.5-2.6 |
|
常溫耐壓強(qiáng)度(N/球）≥ |
23000 |
|
重?zé)€變化率%（1450℃×2號） |
0-0.2 |
|
荷重軟化開始溫度（℃）≥ |
1500 |
|
高溫蠕變率（%）≤ |
0.5 |
|
熱震穩(wěn)定性（次/1100℃-水冷） |
20 |
|
用途 |
球式熱風(fēng)爐 |
|
備注 |
此參數(shù)僅供參考，指標(biāo)應(yīng)根據(jù)使用環(huán)境在合同中臨時約定 |