Product Description
Tower Internals Packing Trough-Pan Liquid Distributor
Trough-pan liquid distributor is a new type of liquid distributor which developed in recent years , it absorb the both advantages of trough type distributor and tray type distributor.It have the effect of liquid collection,liquid dispersion and gas dispersion.Its structure is compact, elasticity of operation up to 10:1.Have the advantage of uniform distribution of gas and liquid, small resistance, especially suitable for situation of easy happening entrainment and Jam as tower internals.
In order to reduce the amplification effect caused by the poor distribution of the liquid and to fully utilize the efficiency of the filler, it is necessary to install a liquid distributor in the packed tower to evenly distribute the liquid on top of the packing layer.
The quality of the initial distribution of the liquid not only affects the mass transfer efficiency of the packing, but also affects the operational flexibility of the packing.
Therefore, the liquid distributor is a key internal part in the packed tower, and there are many types of distributors. The selection basis mainly includes distribution quality, operation flexibility, treatment volume, gas resistance, and levelness.
Distributor Types including:
| 1)According to the distributor fluid power |
Gravity type liquid distributor (hole type, weir type, pressure type, spray type, porous tubular type. |
| 2)According to the shape of the distributor |
tube type, double-layer tube, trough type, disc type, impact type, nozzle type, pagoda type, lotus type, combined type, etc.
|
| 3)According to the form of the liquid leaving the distributor |
pore flow type, overflow type. |
4)According to the number of times the liquid is distributed |
single-stage, multi-level. |
| According to the combination of distributors |
tube trough, hole trough, trough pan. |
Application
>>The trough distributor is mostly used for packed towers with larger diameters. Such a distributor is less prone to blockage and has less resistance to gas, but requires a higher level of installation, especially when the liquid load is small.
>>The porous tubular distributor can adapt to the large flow fluctuation of the remains, and the installation level is not high, and the resistance to the gas is also small. However, since the small holes in the pipe wall are easily clogged, the dispersed liquid must be clean.
>>The orifice type distributor is similar to that of the trough distributor, but it has a large resistance to gas and is only suitable for occasions where the gas load is not too large.
There are also a variety of spray distributors that are commonly used (such as showerheads), especially in small packed towers. The disadvantage of this type of distributor is that it generates more entrainment of the liquid when the amount of gas is large.
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