Why is the regeneration gas for molecular sieves regenerated in a top-to-bottom reverse direction? Instead of from bottom to top?
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This post was last edited by 1055123431 on 2016-9-29 22:39 rt
Mainly because the flow of the material is from bottom to top, and the water content in the molecular sieve at the bottom is high. If the regeneration gas also flows from bottom to top, the water present at the bottom will pass through the entire molecular sieve bed, and some of this water will be absorbed by the molecular sieve
Some of the water will be adsorbed by the molecular sieve, increasing its load, right? Why wasn’t the answer completed?
It is because after some of the water is absorbed by the molecular sieve, heat is still needed to remove it; whereas the water at the bottom, from top to bottom, is carried away directly without having to pass through the entire molecular sieve bed. I didn’t finish writing last night and sent it by mistake; I thought this explained the situation sufficiently
In the molecular sieve adsorption process, the feed gas is introduced from top to bottom, while regeneration and cooling involve feed from bottom to top. What type of process does the owner use?
From top to bottom, or from bottom to top – either works.
If the regenerated gas flows from bottom to top, and the molecular sieve absorbs water, it will tend to break down at high temperatures, and it becomes useless after hardly any time has passed~~
The regeneration process in air separation is from top to bottom~~
The analysis is very detailed; I’ve learned from it. I just asked my master and he said the same thing
The water in the air is mainly absorbed by the aluminum gel; to regenerate it from bottom to top, doesn’t that mean all that water ends up in the molecular sieve?