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  Liquid Full VesselÀÇ PSV Set Pressure °ü·Ã Áú¹® µå¸³´Ï´Ù.
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°°ÀÌ ÀÏÇÏ´Â µ¿±â·ÎºÎÅÍ Liquid°¡ °¡µæ Â÷ ÀÖ´Â VesselÀÇ PSVÀÇ Set Pressure´Â ³·ÃçÁÙ ¼ö ÀÖ´Ù°í µé¾ú½À´Ï´Ù.
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Á¦ »ý°¢À¸·Î´Â PSV Set Pressure ¹× Accumulation Pressure ±×¸®°í Vessel¿¡ °¡µæ Â÷ ÀÖ´Â LiquidÀÇ Static Head±îÁö °í·ÁÇϸé VesselÀÇ Design Pressure ȤÀº MAWP¸¦ ÃÊ°úÇÏ´Â »óȲÀÌ ¿Ã¼öµµ Àֱ⿡ Set Pressure¸¦ ÀǵµÀûÀ¸·Î ³·ÃçÁØ´Ù? ¶ó°í È¥ÀÚ »ó»óÇØ º¸¾Ò½À´Ï´Ù.

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´Ù¸¸ ¾Æ·¡¿Í °°Àº »çÇ×À» °í·ÁÇÏ¼Å¾ß ÇÕ´Ï´Ù.
1) VesselÀÇ Operating pressure
  - VesselÀÇ Oper. press.°¡ PSVÀÇ Closing pressure.¸¦ ÃÊ°úÇÏÁö ¾Ê´ÂÁö È®ÀÎÀÌ ÇÊ¿äÇÔ
2) Up-stream PumpÀÇ Shut-off pressure
  - Normal ¿îÀüÀÌ ¾Æ´Ñ Start-up½Ã¿Í °°Àº °æ¿ì Shut-off press.¿¡ ±ÙÁ¢ÇÏ°Ô ¾Ð·ÂÀÌ »ó½ÂÇÒ °ÍÀε¥ À̶§ Set. press.¸¦ ³·Ãç³ùÀ» °æ¿ì PSV°¡ PoppingµÉ °ÍÀÔ´Ï´Ù.
Áú¹®ÇϽŠPSVÀÇ Acc. press.¿¡ ÀÇÇØ VesselÀÇ Design press.¸¦ ÃÊ°úÇÏ´Â °ÍÀ» °í·ÁÇÏ¿© Set. presure¸¦ ¼³Á¤ÇÏÁø ¾Ê½À´Ï´Ù.
PSV´Â Set. pressure·Î ¼³Á¤µÈ ¾Ð·Â¿¡¼­ PoppingÀÌ ½ÃÀ۵ǰí Acc. press.¿¡ ÇØ´çÇÏ´Â ¾Ð·Â¿¡¼­ ÃÖ´ë¹æÃâµÇµµ·Ï µÇ¾îÀִµ¥ ±×·¸Áö ¾ÊÀ¸¸é PSV°¡ ChatteringµÉ °ÍÀÔ´Ï´Ù.
   

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