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Some critical principles must be considered when liquid distributors are designed.
The applicable principles depend on the following contents:
Liquid load distribution
Working range
Potential dirt
Allowable entrainment
The number of liquid drops is generally in the range of 60-150/m2, which depends on the specific application.
The following principles apply to liquid distribution:
Holes at the bottoms of liquid distributors are used for cleaning systems with standard range.
Connecting pipes of holes, weirs or distributors in the side of individual trough are suitable for lower liquid load and wide operating range.
In view of the systems with potential dirt, overflow distributors are recommended (e.g. weirs are adopted in trough sides).
Overflow weeping pipes
Nozzles are designed especially for tube (ladder) distributors or distribution, which apply to solid-free systems.
Combination of the above-mentioned systems
The number of liquid drops is generally in the range of 60-150/m2, which depends on the specific application.
The following principles apply to liquid distribution:
Holes at the bottoms of liquid distributors are used for cleaning systems with standard range.
Connecting pipes of holes, weirs or distributors in the side of individual trough are suitable for lower liquid load and wide operating range.
In view of the systems with potential dirt, overflow distributors are recommended (e.g. weirs are adopted in trough sides).
Overflow weeping pipes
Nozzles are designed especially for tube (ladder) distributors or distribution, which apply to solid-free systems.
Combination of the above-mentioned systems

 

Kinds dropper                                                     Perforated slot at the bottom

 

With the discharge distribution weir trough       With groove edge of the hole and distribution tube

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