ASPEN simulation of water spraying for cooling in an empty tower
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The furnace is of vertical top-firing type; the hot flue gas (1200°C) flows downward within the furnace. Several atomization nozzles are installed on the side walls of the furnace, where water is sprayed to cool the gas to 40°C. After spraying water, the liquid flows to the tank at the bottom, while the gas is discharged from the upper part of the tank and the liquid from its lower part. How can we simulate how much water needs to be sprayed in order to achieve a temperature of 40°C?
Which model should be used for simulation? Or is there no model in ASPEN for simulating countercurrent contact absorption in an empty tower, and it is necessary to use a combination of the mixing and flashing models for simulation?