Introduction to Inert Alumina Ceramic Balls
Inert alumina ceramic balls are used in the environmental protection and other industries as a covering and support material for catalysts in reactors and as a tower packing material. They have the characteristics of high temperature and high pressure resistance, low water absorption, and stable chemical properties. They can withstand the corrosion of acids, alkalis, and other organic solvents, and can withstand the temperature changes that occur during production.
Function and Application:
Catalyst Support and Coating Material: In reactors, inert alumina ceramic balls are used to support catalyst, allowing it to be evenly distributed throughout the reactor and increasing the contact area between the catalyst and the reactants, thereby improving the reaction efficiency. At the same time, it can also be used to cover the surface of the catalyst to protect it from the impact of gas or liquid flow and prevent wear and breakage of the catalyst.
Tower Packing: When used as tower packing, inert alumina ceramic balls can increase the distribution points of gas or liquid, allowing gas and liquid to be more evenly distributed within the tower and improving the efficiency of mass transfer and heat transfer.
Technical Parameters of Inert Alumina Ceramic Balls
Shape | ball |
Material | ceramic |
Chemical Composition | ceramic |
Water absorption (%) | <1 |
Packing density(g/cm3) | 1.9-2.2 |
Specific gravity (g/cm3) | >3.6 |
Operation temp.(max) (C) | 1650 |
Apparent porosity (%) | <1 |
Moh's hardness (scale) | >9 |
Acid resistance (%) | >99.6 |
Alkali resistance (%) | >85 |
Product name | Catalyst Support Media |
Shape | Sphere |
inert alumina ceramic balls Crush Strength
Crush Strength | ||
Size | Crush Strength | |
(kg) | (N/pc) | |
1/8"(3mm) | >55 | >0.45 |
1/4"(6mm) | >90 | >0.80 |
3/8"(10mm) | >125 | >15 |
1/2"(13mm) | >215 | >2.2 |
3/4"(19mm) | >557 | >4.97 |
1"(25mm) | >1050 | >9.5 |
1-1/2" (38mm) | >1500 | >14 |
2"(50mm) | >6600 | >66 |
Important considerations for purchasing inert alumina ceramic balls:
As catalyst support or tower packing: If used as the covering support material or tower packing for catalysts in reactors in the petroleum, chemical, fertilizer, natural gas, and environmental protection industries, attention should be paid to the chemical stability, high-temperature resistance, and corrosion resistance of the ceramic balls. They should also have a low water absorption rate to ensure stability of their performance.
Alumina content: The alumina content directly affects the performance of the ceramic balls. Generally speaking, the higher the alumina content, the better the hardness, density, and high-temperature resistance of the ceramic balls, but the price will also increase accordingly. Common alumina ceramic balls include 92-ceramic (alumina content of about 92%) and 95-ceramic (alumina content of about 95%)
The specifications of inert alumina ceramic balls: The size of the ball will affect the use effect of the alumina ceramic ball. High dimensional accuracy of ceramic balls can ensure stability and consistency in use, avoiding the impact on the normal operation of equipment due to dimensional deviation. When choosing, pay attention to check whether the diameter, roundness and other dimensional parameters of the ceramic ball meet the standard requirements.
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