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Factors affecting the operating capability of 20l short path distillation equipment

Release Time:

2023-02-27

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The 20l short path distillation equipment is a distillation method operated under high vacuum. At this time, the mean free path of the vapor molecules is greater than the distance between the evaporation surface and the condensation surface, so that the difference in the evaporation rate of each component in the feed liquid can be used, and the liquid The mixture was separated. At a certain temperature, the lower the pressure, the greater the mean free path of gas molecules.
In practical application, many factors will affect the operation capacity of 20l short path distillation equipment, among which the more obvious ones are the feed position and the type of packing. Because of this, care must be taken when designing 20l short path distillation equipment.
Generally speaking, when the volatile components in the separated mixture increase, the feed port with a higher position is selected. As the feed state changes in the 20l short path distillation equipment, the feed inlet should also be adjusted accordingly. When the feed temperature decreases, use a higher feed inlet; otherwise, use a lower feed inlet.
If the 20l short path distillation equipment has more than two feed ports, they generally need to be set at different heights of the device. During production, the appropriate feed inlet should be selected according to the specific situation, and adjustments should be made if necessary.
When the 20l short path distillation equipment uses different types of packing, the separation effect obtained is also different. According to the packing method, it can be divided into bulk packing and structured packing. Compared with the same size, Pall rings are more effective in short-range molecular distillation equipment The gas-liquid flux is higher and the separation effect is better.
Then it is improved into a stepped Pall ring, and one end of the cylindrical part is made into a bell-mouth shape, so that there is point contact between the fillers, the bed is uniform and the void ratio is large, and the production capacity will be further improved. 20l Short path distillation equipment will also be more meaningful.

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