Negative pressure control of the evaporation flash chamber in downstream flow
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Is it true that the negative pressure in the three-effect flash chamber for evaporation downstream should be kept as low as possible? Is the lower the negative pressure, the greater the evaporation rate?
It’s not the case that the lower, the better; there is a range for operation and design. Based on heat considerations, maintaining a constant flash temperature means that the lower the negative pressure, the greater the evaporation rate.