Seeking advice on purging tubular heating furnaces
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I would like to ask: In a tubular heating furnace with vertical coils filled with water, if purified air is used for purging from one end of the furnace tubes and a water discharge port is provided at the other end, can all the water inside the tubes be blown out, given that the height of the furnace tubes is 15 meters and the pressure of the purified air is 0.8 MPa? I hope you can offer your guidance; thank you! !
Generally, 1 atmosphere is approximately equal to the pressure exerted by a water column 10 meters high. 15 meters in height requires 1.5 atmospheres of pressure, which is approximately 0.15 Mpa.
Thank you for your reply. Will air come out through the water, rather than pushing the water out?