CB-P開孔瓷球是在惰性瓷球基礎上開發(fā)的新產(chǎn)品，它以球體直徑為軸心進行開孔，既具有如惰性瓷球那樣一定的機械強度、化學穩(wěn)定性和熱穩(wěn)定性，又增加了比表面積和空隙率，從而增加了物料的分散性和通量，降低了系統(tǒng)的阻力。該產(chǎn)品自投放市場以來，廣泛應用于石油、化工和天然氣行業(yè)替代惰性瓷球作催化劑的支撐覆蓋填料，深受用戶好評。
Type Feldspar Feldspar-Mullite Mullite Mullite-Corundum Corundum Item Chemical Composition Al2O3 20-30 30-45 45-70 70-90 ≥90 Al2O3+SiO2 ≥90 Fe2O3 ≤1 Water Aborption (%) ≤5 Acid Resistance (%) ≥98 Alkali Resistance (%) ≥80 ≥82 ≥85 ≥90 ≥95 Thermal Resistance (℃) ≥1300 ≥1400 ≥1500 ≥1600 ≥1700 Crushing Strength Φ6 ≥440 ≥450 ≥460 ≥480 ≥500 Φ8 ≥480 ≥520 ≥600 ≥620 ≥650 Φ10 ≥600 ≥700 ≥800 ≥900 ≥1000 Φ13 ≥1000 ≥1100 ≥1300 ≥1500 ≥1800 Φ16 ≥1500 ≥1600 ≥1800 ≥2300 ≥2600 Φ20 ≥1800 ≥2000 ≥2300 ≥2800 ≥3200 Φ25 ≥2500 ≥2800 ≥3200 ≥3600 ≥4000 Φ30 ≥3000 ≥3200 ≥3500 ≥4000 ≥4500 Φ38 ≥4000 ≥4500 ≥5000 ≥5500 ≥6000 Φ50 ≥6000 ≥6500 ≥7000 ≥8500 ≥10000 Φ60 ≥8000 ≥8500 ≥9000 ≥10000 ≥12000 Φ75 ≥10000 ≥11000 ≥12000 ≥14000 ≥15000 Bulk Density (kg/m3) 1100-1200 1200-1300 1300-1400 1400-1550 ≥1550 Note: the data of bulk density is given for reference only, not for the acceptance criterion.
(%)
(N/grain)
Size
|
Diameter (Φ)
|
6
|
8
|
10
|
13
|
16
|
20
|
25
|
30
|
38
|
50
|
60
|
75
|
|
Tolerance (mm)
|
±1.0
|
±1.5
|
±2.0
|
±3.0
|
||||||||
|
Hole Diameter (mm)
|
2-3
|
3-5
|
5-8
|
8-10
|
||||||||