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The pressure regulating valve of the evaporative hot water tower is opened too wide

2010-05-31View Original

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Why does the opening of the pressure regulating valve of the evaporating hot water tower increase when the temperature of the condensate is low during the low-temperature shift (because of ammonia)
Reply #22010-06-01
The amount of condensed flash gas is small, the amount of gas leaving the high-pressure flash tank is large, and the opening of the pressure regulating valve is large.
Reply #32010-06-02
The amount of condensed flash steam is small, which will lead to a high liquid level in the acid gas separation tank. But the actual level is not high and has been stable. The valve is barely open. I analyzed it and forgot to give you any advice. Due to the low temperature of the cold condensate, the ammonia content in the water is high. After entering the evaporation hot water tower, the rising gas is heated and separated from the water. The rising flash gas heats the ammonia gas. It was directly condensed. Therefore, the liquid level in the acid gas separation tank is not high. At the same time, since a large amount of ammonia gas is flashed out, the gas volume is large and the heat is small. Please give guidance.

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