Special alumina ceramic series
Alumina ceramic balls are characterized by high strength, high chemical stability and high thermal stability. It can resist high temperature, high pressure, acid, alkali, salt and corrosion of various organic solvents. As the backing material of catalyst in the reactor and the tower packing, it is mainly used to increase the distribution points of gas or liquid and support and protect active catalysts whose strength is not high.
Key words:
Special alumina ceramic series
Classification:
Product Details
Product introduction:
Alumina ceramic balls are characterized by high strength, high chemical stability and high thermal stability. It can resist high temperature, high pressure, acid, alkali, salt and corrosion of various organic solvents. As the backing material of catalyst in the reactor and the tower packing, it is mainly used to increase the distribution points of gas or liquid and support and protect active catalysts whose strength is not high.
Products include:
Grinding balls, regenerative balls and chemical packing balls, 99 series, 90-92 series of catalyst carrier ceramic balls and ceramic rings, 50-80 series of catalyst carriers and components, 17-23 series and 23-33 series of ceramic rings. Products characterized by high strength, low abrasion, high hardness, good corrosion resistance, stable aluminum content and high compressive strength are widely applied to mineral products, steelworks, thermal power plants, cement mills, petrochemical engineering, natural gas, aluminum processing, chemical industry, environmental protection, etc.
Package specification:
Compound membrane plastic woven bag, with plastic film bag as lining, net weight of 25 kg/bag, 50 kg/bag, 1,000 kg/bag or as required by the customer.
Main indexes of packing balls
| Product performance indexes | Inert ceramic balls | 90series | 95series | 99series | 99.5series |
| A1₂O₃(%) | 21-23 | ≥90 | ≥95 | ≥99 | ≥99.5 |
| Sio₂(%) | 65-75 | ≤6 | <2 | ≤0.2 | ≤0.15 |
| Fe₂0₃(%) | <1 | ≤0.3 | ≤0.15 | ≤0.12 | ≤0.1 |
| Compressive strength (￠13) | ≥2700N | ≥2000N | 200ON | ≥5000N | ≥6000N |
| Water absorption (%) | ＜1 | ≤3 | <3 | 2-4 | 2-4 |
| Volume density (g/cm³) | 2.3-2.4 | ≥2.8 | ≥3.1 | 3.2-3.5 | 3.2-3.7 |
| Bulk density (g/cm³) | 1.3-1.4 | ≥1.7 | ≥1.9 | 1.9-2.0 | 1.9-2.2 |
Physical and chemical performance indexes of microcrystalline grinding ball
| Product performance indexes | 75series | 92series | 95series | 97series |
| Al₂O₃ content (%) | ≥75 | ≥92 | ≥95 | ≥97 |
| Al₂O₃ content (%) | ≤0.6 | ≤0.2 | ≤0.15 | ≤0.12 |
| Al₂O₃ content (%) | ≥8 | ≥9 | ≥9 | 9 |
| Water absorption (%) | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 |
| Volume density (g/cm³) | ≥3.0 | ≥3.60 | ≥3.68 | ≥3.7 |
| Equivalent wear resistance (‰) | ≤0.2 | ≤0.15 | ≤0.1 | ≤0.1 |
| Shock resistance | No cracks or breakage | |||
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