Cellular ceramic protectant and filter agent
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Product Description
- 产品描述
-
Honeycomb ceramic protectors and filters can increase the specific surface area and porosity of the protectors, reduce bed pressure drop, increase the gas-liquid separation cut point, improve fluid dispersion, and adsorb and capture impurity particles in materials as well as fouling generated by heat exchangers and heaters, thereby enhancing the effectiveness of catalysts and equipment.
Advantages: Large open area, low turbulent flow, good bed stability.
When honeycomb ceramic protectors and filters are placed at the bottom of the reactor as supports, due to the reduced cross-sectional area at the bottom outlet, the local fluid velocity increases accordingly, and the fluid easily transitions from laminar flow to pulsating or turbulent flow. The honeycomb ceramic protector and filter bed cross-section has a large open area, with an equivalent diameter 2.5-3.5 times that of ceramic balls and an open area 6.25-12.25 times that of ceramic balls. Under the same processing volume, the fluid velocity through the honeycomb ceramic protector and filter is 1/6.25 to 1/12.25 times that through ceramic balls. Under the same fluid and superficial velocity conditions, the Reynolds number of the honeycomb ceramic protector and filter is 60-70% lower than that of ceramic balls, resulting in less fluid turbulence, better bed stability, and improved fluid distribution.
Performance
Medium Alumina
High Alumina
Corundum
Chemical Composition
Al 2 O 3
60-70
71-90
≧90
Al 2 O 3 +SiO 2
≧90
Fe 2 O 3
≦1
Heat Resistance Temperature ℃
≧1400
≧1500
≧1600
Acid Resistance %
≧95
Alkali Resistance %
≧85
Thermal Shock Resistance Temperature ℃
≧400
Compressive Strength KN/piece
Φ3*4
≧0.2
≧0.3
≧0.57
Φ6*4
≧0.22
≧0.4
≧0.6
Φ10*6
≧0.25
≧0.5
≧1.0
Φ13*6
≧0.3
≧0.6
≧1.2
Φ16*12
≧0.32
≧0.7
≧1.4
Φ20*12
≧0.35
≧0.75
≧1.5
Φ25*16
≧0.40
≧0.80
≧1.6
Φ38*18
≧0.45
≧0.90
≧1.8
Φ45*20
≧0.5
≧1.0
≧2.0
Industry Standard: HG/T4369-2012
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