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  superimposed back pressure °è»ê
  ±Û¾´ÀÌ : È­°ø¶ÊÀÌ   °íÀ¯ID : guy051     ³¯Â¥ : 14-04-18 10:44     Á¶È¸ : 10538    
¾È³çÇϽʴϱî, ½ÅÀÔ¿£Áö´Ï¾î·Î½á óÀ½À¸·Î PSV ´ã´ç ¾÷¹«¸¦ ¸Ã¾Æ °øºÎÇÏ°í ÀÖ½À´Ï´Ù.
 
PSV °è»ê µµÁß superimpoesd back pressure¿¡ ´ëÇؼ­ ±Ã±ÝÇØÁ® Áú¹® µå¸³´Ï´Ù.
Á¦°¡ ÀÌÇØÇϱâ·Î´Â
Superimposed constant => º¸Åë N2 purge ¾Ð·Â
Superimposed variable => PSV°¡ ¿­¸®±â Àü ÈÄ´Ü¿¡ °É¸®´Â ÃÖ´ë ¾Ð·Â
 
ÀÌ·¸°Ô ÀÌÇØÇÏ°í Àִµ¥, Superimposed variable back pressure °è»ê °úÁ¤ÀÌ ±Ã±ÝÇÕ´Ï´Ù.
flare header¿¡ °É¸®´Â ÃÖ´ë load¸¦ case study·Î »êÁ¤ÇÑ ÈÄ flare K.O drum¿¡¼­ºÎÅÍ backÀ¸·Î
hydraulic °è»êÀ» ÇÏ¿© ±¸ÇÏ¸é µÇ´Â°Ç°¡¿ä?
 
¸¹Àº Á¶¾ð ºÎŹ µå¸³´Ï´Ù.
 

½ºÅ×Æijë Stefano   14-04-22 13:33
(1) PSV°¡ ¿­¸®±âÀü PSVÃⱸ ¾Ð·ÂÀº PSV¸¦ ÅëÇØ ¹èÃâµÇ´Â À¯·®ÀÌ ¾øÀ» ¶§ÀÇ ¾Ð·ÂÀε¥ À̸¦ "Superimposed Back Pressure"¶ó°í ÇÏ°íÀÌ´Â PSVÀÇ µ¿À۾з¿¡ ¿µÇâÀ» ÁÖ´Â ¿ªÇÒÀ» ÇÕ´Ï´Ù. 

PSV°¡ ¿­¸®°í ³ª¼­ ¹èÃâµÇ´Â È帧ÀÌ »ý±â¸é ¹èÃâ°üÀ» µû¶ó¼­ À¯Ã¼°¡ Èê·¯°¥ ¶§ÀÇ Â÷¾ÐÀÌ Ãß°¡·Î ´õ °É¸®°Ô µÇ¾î PSVÀÇ ÈÄ´Ü ¾Ð·ÂÀÌ ¿Ã¶ó°¡°Ô µË´Ï´Ù.  PSV°¡ ¿­·Á Èê·¯°¨À¸·Î½á »ý¼º(Áõ°¡)µÇ´Â Â÷¾ÐÀº "Built-up Back Pressur"¶ó°í ÇÕ´Ï´Ù.  ÀÌ´Â PSVÀÇ Â÷¾ÐÀÇ °¨¼Ò·Î À̾îÁö¹Ç·Î PSVÀÇ Sizing°ú PSV ¹èÃâ°üÀÇ Sizing¿¡ »ç¿ëµË´Ï´Ù. 

(2) <Superimposed variable back pressure>´Â "Built-up Back Pressure"¸¦ ¾ð±ÞÇÏ´Â °ÍÀ¸·Î º¸ÀÔ´Ï´Ù. 
ÀÌ °æ¿ì Áú¹®ÇÑ ¹Ù¿Í °°ÀÌ "<flare header¿¡ °É¸®´Â ÃÖ´ë load¸¦ case study·Î »êÁ¤ÇÑ ÈÄ flare K.O drum¿¡¼­ºÎÅÍ backÀ¸·Î hydraulic °è»êÀ» ÇÏ¿© ±¸Çϸé"..>µË´Ï´Ù.
   

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