Preventing Water Hammer in Steam Plants
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Questions and Answers

What should be done if water hammer or vibration occurs while the non-return valve is being opened?

  • Increase the fluid velocity
  • Open the valve wider
  • Ignore the issue and proceed with opening the valve
  • Close the valve at once (correct)

    • In the boiler house, what is the first step suggested to address water hammer?

  • Check the boiler water level (correct)
  • Open the surface blowoff valve
  • Conduct a proper blowoff procedure
  • Lower the boiler water level

    • What is recommended if the boiler water is high during routine operation?

  • Lower it with the boiler blowoff valves (correct)
  • Close all drains
  • Ignore the high water level
  • Increase the pressure in the boiler

    • What should be done if the boiler is priming or foaming?

    <p>Open the boiler surface blowoff valve</p> Signup and view all the answers

    What action should be taken if there is severe priming and water hammer in the boiler?

    <p>Turn off the boiler and close the non-return valve</p> Signup and view all the answers

    What should be done to locate malfunctioning steam traps in case of water hammer in the plant?

    <p>Open steam trap test valves or use other means</p> Signup and view all the answers

    After blowing out a trap strainer to remove blockage, what is the next step suggested?

    <p>Place the trap on-line and recheck its operation</p> Signup and view all the answers

    What should be done if a trap fails to pass condensate after placing it on-line?

    <p>Open the trap bypass to relieve condensate from the steam system</p> Signup and view all the answers

    What is advised if there are sagging steam lines observed in the plant?

    <p>Report it to the shift engineer or chief engineer and fill out a work request.</p> Signup and view all the answers

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