Rasching ring

Rasching ring

In the history of tower packing, rasching ring is the earlist annular packing with fixed geometry shape. It has the following characters: same outer diameter and height, simple structure and low price. But it has problems of asymmetry distribution of liquid and serious phenomena of wall flow and canal flow. Now we usuallly use corruption-resistant ceramic rasching ring in acid making industry.

Technical Data

Ceramic Rasching Ring

Name
Normal
mm

Diameter×Height×Thickness
mm

Surface area
m2/m3

Void space
%

Bulk density
kg/m3

No.elements
per/m3

Packing factor
m-1

Rasching ring
Φ1616×16×325066820178000870
Φ2525×25×31477851042000310
Φ3838×38×41008045812000195
Φ5050×50×580814655600156
Φ7676×76×962755751700147