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Seeking guidance

2019-01-08View Original

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Seeking guidance: In the boiler industry, flue gas is typically cooled from 87 degrees to 45 degrees. At 87 degrees, the volume of flue gas flowing is 230,000 cubic meters per hour. An air tower is used in combination with a cooling tower to achieve this cooling effect; the inlet temperature of water to the cooling tower is 40 degrees, while the outlet temperature is 20 degrees. What are the required dimensions of the air tower, the amount of water used for spraying, and the water circulation rate in the cooling tower? What are the calculation methods and formulas?
Reply #22019-01-09
It’s best to also consider the choice of nozzles, whether there is packing inside the tower, etc. Just come up with a well-thought-out design: lol
Reply #32019-01-09
Even such a simple question requires guidance; P
Reply #42019-01-09
What is the purpose of an empty tower, and what is the structure of a cooling tower? Only by describing the process clearly can the calculation be based on something solid. If nothing is clear, go with an EPC turnkey solution
Reply #52019-01-09
The specific model has not been determined; it can be calculated based on an empty tower gas velocity of 0.8 meters. The cooling water volume can then be determined using an HTRI heat exchanger, with a multiplier of 1.5 applied. Calculate the heat exchange efficiency at 0.6; the error will be small: lol
Reply #62019-01-09
This post was last edited by dahei9971 on 18:42, January 9, 2019. Nozzles should be used, and their arrangement can follow the design specifications for LPEC spray equipment. Based on the heat transfer efficiency of the tray, several layers of spray nozzles can be installed; 5 layers can be used. :lol
Reply #72019-01-10
The conditions need to be added; it’s not possible to calculate at the moment

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