| Ceramic combination oval washing ring is anew type of packing.It has resolved the problems of high resistance,short life span,easy corrosion and broken.It has the advantages of simple construction,large handling ability,right pressure drop,high efficiency and is convenient to pack and unload.It is widely used in naphthalene washing tower,ammonia washing tower,petrochemical plant,oil refining plant,etc. |
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| Specifications︰ | Technologiacl Parameter
Void fraction Packing factor Surface area
ZH ø150 0.80m3/m3 ZH ø150 168.70 ZH ø150 120m2/m3
ZH ø240 0.75m3/m3 ZH ø240 149.50 ZH ø240 105m2/m3
ZH ø300 0.71m3/m3 ZH ø300 141.80 ZH ø300 90m2/m3
Chemical composition and physical characters
SiO2 65-75% Water absorption ≤1.5%
Al2O3 17-23% Specific gravity 2.2-2.4r/cm3
Fe2O3 ≤%1 Mohs hardness ≥7Grade
CuO ≤0.6% Compres sive- strength 150-180MPa
MgO ≤0.7% Bend strength 100-140MPa
K2O 2.5-3.5% Acid resistance 99.8%
Na2O ≤1.5% Soda resistance 84%
Type External dia Height Thickness Surface area Void fraction Heaping weight
Xap-1 ø150 25 5 135 84 600
Xap-2 ø240 40 8 110 86 612
Xap-3 ø300 50 10 90 89 620
Chemical composition of low combination ring
CaO ≤0.4%
SiO2 67-73% MgO ≤0.5%
Al2O 18-23% K2O2 2-3%
Fe2O3 ≤0.8 Na2O ≤1%
Physical property of low combination ring
Acid resistance Soda resistance Specific gravity
98% 88% 2.3-2.5/gcm3
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