套管式换热器操作流程
    英文回答：
    Operation Procedure for Shell and Tube Heat Exchanger.
    Pre-Operation Checks:
    Verify that the heat exchanger is properly installed and connected.
    Ensure that the piping system is free of leaks and obstructions.
    Check the valves for proper operation and ensure they are in the correct positions.
    Inspect the gaskets and seals for any damage or deterioration.
    Start-Up Procedure:
    Slowly open the inlet valve to the shell side of the heat exchanger.
    Allow the shell side to fill with fluid and vent any trapped air through the vent valve.
shell程序的编写流程
    Close the vent valve once the shell side is full.
    Gradually open the inlet valve to the tube side of the heat exchanger.
    Allow the tube side to fill with fluid and vent any trapped air through the vent valve.
    Close the vent valve once the tube side is full.
    Operation Monitoring:
    Monitor the inlet and outlet temperatures of both fluids.
    Ensure that the flow rates are within the specified range.
    Check the pressure drop across the heat exchanger to detect any fouling or blockages.
    Monitor the vibration levels to ensure that the heat exchanger is operating smoothly.
    Shutdown Procedure:
    Gradually reduce the flow rate of the shell side fluid by closing the outlet valve.
    Once the shell side flow rate is low, close the inlet valve completely.
    Gradually reduce the flow rate of the tube side fluid by closing the outlet valve.
    Once the tube side flow rate is low, close the inlet valve completely.
    Open the vent valve to release any residual pressure in the heat exchanger.

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