| name |
type |
major specification |
property and application |
| Inert alumina ball |
DA |
Al2O3:20~90%
Bulk density:1300~1800kg/m3
Crushing strength:0.4~15KN |
support and covering packings
for catalyst |
| Activated ball |
SW |
NiO、CoO、MoO3、Al2O3
Bulk density:1100~1300kg/m3
Abrasion:≤5% |
Catalyst support and covering
packings protect
|
| Perforated
ball |
KK |
Al2O3:20~90%
Bulk density:1100~1550kg/m3
Free volume:≥50% |
Catalyst
support and covering packings with high free volume amd
flux,and low resistance |
| Porous
ball |
MH |
Pore
size:0.5~35/35~100/100~1000um
Porosity:15~40%
Crush strength:500~7500N |
Catalyst
support and covering packings or carriers,with celular
structure to filter the gum and solid particle impurities in
the oil |
| Embossed
ball |
KB |
Al2O3:20~90%
Bulk density:1100~1500kg/m3
Free volume:≥50% |
Catalyst
support and covering packings with high free volume and low
pressure drop |
| Thermal
strorage ball |
XR |
Bulk density:1200~1400kg/m3
Thermal capacity:850J/kg·k
Temperature available:-300~1000C |
Thermal storage
packings in heat regenerative exchange in air separation |
| Refractory ball |
RF |
Bulk
density:1200~1400kg/m3
Alkali resistance:≥85%
Refractoriness:≥1500ºC |
Catalyst support
and covering packings used in shift converter and reformer
in ammonia plant |
Abrasion-resistant
ball |
MQ |
Bulk
density:1600~1800(MQA)/2500~300(MQZ)kg/m3
Abrasion:≤5%(MQA)≤1%(MQA) |
Excellent grinding
memdium with high density,strength,abrasion
performance,which are used in various grinding mills |
| Ceramic cylinder |
DB |
Al2O3:20~90%
Bulk density:1400~1850kg/m3
Crush strength:≥500N/cm |
Support and
covering packings and carrier for catalyst |