Regarding the question of whether it is a pressure vessel
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Is the DN1400mm single-cone dryer considered a pressure vessel? Its total volume is 1300 L, with an effective volume of 650 L. 4 kilograms of steam through the jacket bypass pipe. During operation, vacuum is used to remove moisture, and a auger is used to turn the materials.
What is the volume of the jacket? At first glance, the inner cylinder does not appear to be a pressure vessel!
Compare it with GB150 using the parameters under normal operating conditions! It’s not clear enough; it’s impossible to tell!
Is it a jacket or a half-pipe? Or is it again with a jacket and a semi-pipe? Semi-tubes are generally not considered, while jackets are usually included.