Liquid Distributors and
Standard liquid distributors are usually used for liquid loads in a range of 5 to 80 m³/m²/h. Their simple design allows short production times and low cost. Various applications in industry require special liquid distributors to ensure
optimal distribution quality, highest wettability, controlled gas flow, low pressure drop, fouling resistance or high operating ranges. For all of the different industrial demands, Raschig has a standardized or customized solutions. The liquid distributor selection matrix below offers a first indication on the liquid distributor for the individual application.
Liquid Distributor
Selection Matrix: Standard liquid distributor
| Type | Column diameter (mm) | Standard loading range | Liquid load uL [m3/m2 h] | Gas capacity factor [√Pa] | Sensitivity to fouling |
||||
|---|---|---|---|---|---|---|---|---|---|
| uL < 5 | 5 < uL< 80 | uL > 80 | FV < 1 | 1 < FV < 2,5 | FV > 2,5 | ||||
| DT-1 | > 800 | 2:1 | x | x | x | x | yes | ||
| DT-2 | > 800 | 10:1 | x | x | x | x | no | ||
| DR-2 | < 1200 | 2:1 | x | x | x | x | yes | ||
| DR-3 | < 1200 | 10:1 | x | x | x | no | |||
| DP-1 | > 100 | 2:1 | x | x | x | x | x | yes | |
| DP-S | > 500 | 3:1 | x | x | x | no | |||
| RP-1 | > 1200 | 2:1 | x | x | x | x | yes | ||
| RP-2 | > 300 | 2:1 | x | x | x | x | yes |
High-quality Distributor
| Type | Column diameter (mm) | Standard loading range | Liquid load uL [m3/m2 h] | Gas capacity factor [√Pa] | Sensitivity to fouling |
||||
|---|---|---|---|---|---|---|---|---|---|
| uL < 5 | 5 < uL< 80 | uL > 80 | FV < 1 | 1 < FV < 2,5 | FV > 2,5 | ||||
| DT-MF | > 500 | 2:1 – 5:1 | x | x (<10) | x | x | x | yes | |
| DT-S | > 300 | 2:1 – 5:1 | x | x | x | x | x | no | |
| RP-P2 | < 300 | 2:1 | x | x | yes | ||||
| RP-S | < 300 | 2:1 – 5:1 | x | x | x | x | x | x | no |
| DR-S | > 1200 | 2:1 – 5:1 | x | x | x | x | x | x | yes |
| DT-W | > 300 | 2:1 | x | x | x | no | |||
| DR-LL | > 1200 | 2:1 – 5:1 | x (<2) | x | x | yes |
Standard Liquid Distributors and Redistributors in Metal and Plastic
Trough Distributor
Type DT-1,
Ø > 800 mm
Trough Distributor
Type DT-2,
Ø > 800 mm
Fouling service
Pan Distributor
Type DR-2,
100 mm < Ø < 1200 mm
Pan Distributor
Type DR-3,
100 mm < Ø < 1200 mm
Fouling service
Pipe Distributor
Type DP-1,
Ø > 100 mm
Spray Distributor
Type DP-S,
Ø > 500 mm
Chimney Distributor
Type RP-1,
Ø > 1200 mm
Chimney Distributor
Type RP-2,
Ø > 300 mm
High Quality Liquid Distributors in Metal and Plastic
High quality Distributor
Type Multi-Flow DT-MF,
Ø > 500 mm
Very low liquid rates
High quality Distributor
Type DT-S,
Ø > 300 mm
Low to medium liquid rates
High quality Distributor
Type DR-S,
100 mm < Ø > 1200 mm
Low to medium liquid rates
High quality Distributor
Type RP-S,
Ø > 300 mm
Low to medium liquid rates
High quality Distributor
Type DT-W,
Ø > 300 mm
Medium liquid rates
High quality Distributor
Type DR-LL,
Ø < 1200 mm
Very low liquid rates
High quality Distributor
Type RP-P2,
Ø > 300 mm
High liquid rates beside low gas
velocity
