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Regarding the use of two towers in parallel for exhaust gas adsorption, what methods can be employed to ensure an even distribution of the exhaust gas flow between these two parallel towers?

2023-07-20View Original

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Regarding the parallel operation of the two towers for exhaust gas adsorption, what methods can be used to ensure that the exhaust gas is distributed evenly between the two towers, given that they share one common inlet pipe?
Reply #22023-07-20
The air ducts are quite thick – what type of flow meter should be used for the exhaust gas? The pressure isn’t high either
Reply #32023-07-20
To achieve even distribution, a flow meter has to be used for control, I guess
Reply #42023-07-20
The methods to ensure even distribution of exhaust gas volume between two parallel towers are as follows: 1. Use flow distribution valves: Install flow distribution valves between the main intake duct and the two parallel towers, and adjust the valve opening to control the proportion of exhaust gas distribution. This valve can be controlled manually or automatically as needed. 2. Regularly change positions: Periodically swap the air intake positions of the two parallel towers, so that exhaust gas can enter both towers evenly for adsorption, thereby preventing one tower from being under excessive load for a long time while the other has too light a load. 3. Install a flow detector: A flow detector is installed on the intake manifold to monitor the flow rate of exhaust gases in real time. Based on the measurement results, the flow direction and distribution ratio of the exhaust gases between the two towers are adjusted to ensure an even distribution of exhaust gas volume between them. 4. Use appropriate tower design and layout: Consider the arrangement of parallel towers and the selection of packing inside the towers in the design of the waste gas treatment system, to ensure even distribution of the waste gas across the two towers. This involves factors such as the tower’s size, height, the location of the air inlets, and its design. In summary, through the aforementioned methods and measures, it is possible to effectively ensure an even distribution of exhaust gas volume between the two parallel towers. .
Reply #52023-07-20
The inlet and outlet pipes should be arranged as symmetrically as possible
Reply #62023-07-21
It’s basically impossible to achieve even distribution; one will definitely be very large and the other very small. Almost one was taken away, and there was hardly any of the other.

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