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Selection of heating furnace in simulation of aspenplus crude oil atmospheric and vacuum tower

2009-03-27View Original

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In the simulation of the crude oil atmospheric and vacuum tower in aspenplus, if the atmospheric and vacuum heating furnace is integrated into the block of the tower and calculated in the selection of the heating furnace, what do stage duty on feed stage single stage flash single stage flash with liquid runback mean (I can understand the English, but I don’t understand the specific differences)? Can you give examples of each? Also, what impact does the selection of different furnace types have on the calculation? (I tried them both and didn’t see much difference) Thank you all.

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