Problems with steam plate heat exchangers
Thread Content
1. The valves of the steam plate heat exchanger vibrate violently when opened. 2. When the control valve of one plate heat exchanger is opened, the pressure gauge on the steam distribution cylinder shows a pressure of 0.75 Mpa; when all five plate heat exchangers are open, the pressure drops to 0.2 Mpa.
Based on the description, the large pressure difference before and after the system when multiple plate heat exchangers are in use is the cause of the vibration. If an automatic control valve is used for the valve ahead, it should be noted that such a control valve has specific requirements regarding the pressure difference between the upstream and downstream sides. Additionally, it is estimated that it is necessary to calculate whether the amount of steam supplied is sufficient.
The steam must have condensed, that’s why the amount of steam is low
The pressure difference between the front and back is too large; also, check whether there is enough steam supply