Slag return tank
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I have a question: for the top reflux tank, under what circumstances is a vertical tank used, and under what circumstances is a horizontal tank used?
It can be considered comprehensively based on the residence time in the gas and liquid phases
If stratification occurs in the material at the top of the tower, a vertical type must be used
Are you asking whether a vertical design must be used for oil-water-gas separation?
For materials that separate into layers, a horizontal tank can also be used, with a partition placed at a certain height inside it. The materials enter from the top at one end, while the light phase exits from the bottom at the other end; the heavy phase exits before the partition. Although it’s not related to manufacturing processes, the use of vertical or horizontal types must be related to the layout of the equipment.
There is no such requirement; it is sufficient to meet the separation requirements. In most cases, vertical containers are advantageous for layer separation, although layering ultimately depends on the residence time
It’s not the length; rather, if the volume of tank required to provide the necessary gas space is too large, it becomes uneconomical. If there is a small amount of gas and a large amount of liquid, the diameter of the vertical tank needed to ensure an adequate buffering time for the liquid may also be very large, which is again uneconomical. Therefore, it is necessary to consider the actual amounts of gas and liquid in order to decide whether to use a horizontal tank or a vertical tank
It depends on the properties of the material, the process of the tower, and its layout; it cannot be generalized.