Where is the expert? Reformation catalyst enhancement
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The continuous reforming unit at France’s IFP separates the gas into primary gas and secondary gas. I would like to ask everyone: is it 1) that the primary gas is used for fluidization while the secondary gas is used to control the flow rate, or 2) that the secondary gas is used for fluidization while the primary gas is used to control the flow rate? My personal opinion is 1) – yes. The reason is that the secondary gas carries the catalyst to above the nozzles of the primary gas, where it is then dispersed by the primary gas, thus achieving fluidization. The amount of catalyst carried by the secondary gas itself serves to control the flow rate of the catalyst, and together, the primary and secondary gases transport the catalyst to the upper hopper. However, some argue that the function of the primary gas is to control the flow rate; in other words, the secondary gas carries the catalyst to the primary gas nozzles, and as much catalyst as is sent there is also blown away (transported), so the primary gas is used to control the catalyst flow rate.
:The primary gas only gives the catalyst a fluid form, while the secondary gas is what controls the flow rate of the fluid. If the roles are reversed, with the primary gas controlling the flow rate as well as the fluidization of the catalyst, it’s unclear whether this would be easy to control; moreover, the amount of gas used in this case would likely be greater than in Plan 1. First encounter. . . . . No, you’re hitting me!
The primary gas provides the driving force for transportation, while the secondary gas controls the transportation rate. Increasing the gas flow rate once when the lifting performance is poor can improve it. The primary gas flow rate is controlled, while the secondary gas flow rate is controlled as a secondary circuit in a series loop