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  Total condenserÀÇ Equalizing line
  ±Û¾´ÀÌ : ÀåÇö¼ö   °íÀ¯ID : jddast     ³¯Â¥ : 17-06-21 13:56     Á¶È¸ : 8219    
1) ¿ì¼± Á¦°¡ ¾Æ·¡ Âü°í ¹®±¸ ¶§¹®¿¡ ÀÌÇØ°¡ ¾î·Á¿ü½À´Ï´Ù.
 1. Non-Condensable vent (for total condensing) : Must be installed at the end of condensing section because vapor could be trapped in the condensing tubes and reduce the capacity of condenser.
 2. Rundown piping (for total condensing) : The static head should be minimized in rundown line from condenser to reciever. Consideration to the following item will be kept static head at a minimum.
 - Install rundown line free draining to reciever
 - Install equalizer line from reciever to condenser outlet to prevent rundown line from becoming liquid full. (be ket two phase to eliminate static head)

2) Á¦°¡ ÀÌÇØÇÏ°í ÀÖ´Â ¹Ù´Â ¾Æ·¡¿Í °°½À´Ï´Ù.
 - Equalizing line : µÎ ±â±â vapor±¸°£³¢¸® ¿¬°áµÇ¾î µ¿¾ÐÀ» Çü¼ºÇÏ°Ô µÊÀ¸·Î ±× Static head¸¸Å­ ¶³¾îÁö°Ô µË´Ï´Ù. Áï Conensate°¡ ¹ß»ýÇÏÀÚ¸¶ÀÚ Á¤Ã¼ÇÏÁö ¾Ê°í ¹Ù·Î ¾Æ·¡·Î ¶³¾îÁú °ÍÀ̶ó ÆÇ´ÜÀÌ µË´Ï´Ù. ÈçÈ÷ º¸ÀÌ´Â °÷Àº steam reboiler¿Í condensate drum°£ÀÇ ¿¬°áÀÔ´Ï´Ù.
 - Seal loop line : ÁÖ·Î column side-draw½Ã³ª tank overflow line¿¡ ¾çÂÊÀÇ ¾Ð·Â Â÷ ¸¸Å­ loop¸¦ Á־ back flow¸¦ ¹æÁöÇÏ¿© liquid fullÇü¼ºÀ» ÇÏ´Â °ÍÀ¸·Î ÀÌÇØÇÏ°í ÀÖ½À´Ï´Ù.

3) »ó¼¼ÇÑ ¼³¸íÀ» À§ÇØ Á¶±Ý ÀÚ¼¼ÇÏ°Ô µµ¸éÀ» Ç¥ÇöÇØ º¸¾Ò½À´Ï´Ù.
óÀ½¿¡ Case2¿Í °°ÀÌ Non-condensable line°ú Equalizing lineÀÌ Trim cooler°¡ ¾Æ´Ñ Case1°ú °°ÀÌ Condenser¿¡ Çü¼ºÀÌ µÇ¾î¾ß ÇÏ´Â °ÍÀÌ ¾Æ´Ñ°¡ ÀǽÉÀÌ µÇ¾ú½À´Ï´Ù. ±×·¯´Ù°¡ ¸ÇÀ§¿¡ ¾ð±ÞµÈ Âü°í¹®±¸¸¦ ¹ß°ßÇÏ°í ´õ¿í È¥µ¿ÀÌ ¿Ô½À´Ï´Ù.

1. Total Condenser Çϳª¸¸ ÀÖ´Â °æ¿ì´Â ºñ±³Àû ÀÌÇØ°¡ ½¬¿ü½À´Ï´Ù. Non-condensable lineÀº normally closedµÇ¾î ÀÖ°í ÇÊ¿ä½Ã ¿îÀüÀÚ°¡ Çѹø¾¿ ¿­¾îÁÖ´Â °ÍÀ̸ç, Equalizing lineÀº Condenser outlet°ú reciver¸¦ µ¿¾ÐÀ¸·Î ¸¸µé¾î condensate°¡ ¿øÈ°È÷ ºüÁ®³ª°¡´Â °ÍÀ¸·Î ÀÌÇØÇß½À´Ï´Ù. À̶§ rundown lineÀº ¼öÆò°üÀ» ÃÖ¼ÒÈ­ÇÏ°í ¼öÁ÷°üÀ¸·Î °¡´ÉÇÑ Âª°Ô Çü¼ºÇÏ¿© liquid fullÀÌ µÇÁö ¾Êµµ·Ï ¸¸µå´Â °ÍÀ̶ó ÀÌÇØÇß½À´Ï´Ù.
2. À§ µµ¸é ó·³ Trim cooler°¡ ÀÖ°í Case2·Î ¼³Ä¡µÈ °æ¿ì, Trim cooler¿Í reciever°¡ µ¿¾ÐÀ̵ǰí cooler³»ºÎ¿¡ liquid°¡ Çü¼ºµÇÁö ¾Ê¾Æ cooling ¿ªÈ°ÀÌ ¶³¾îÁö´Â °ÍÀÌ ÀǽɵǾú½À´Ï´Ù. ¶ÇÇÑ °¡´ÉÇÑ static head¸¦ Á¦°ÅÇÔÀ¸·Î½á column pressure control¿¡ ÁÁÀ» °ÍÀ̶ó ÆÇ´ÜÀÌ µÇ¾ú½À´Ï´Ù. ±×·³¿¡µµ ¿©·¯ ´Ù¸¥ °÷¿¡¼­ À§Ã³·³ ÁøÇàµÈ ÇÁ·ÎÁ§Æ®°¡ ¸¹ÀÌ ÀÖ´Â °ÍÀ» È®ÀÎÇÏ°í È¥µ¿ÀÌ ¿Ô½À´Ï´Ù. ¶ÇÇÑ Case 1ó·³ ¼³Ä¡ÇÏ´õ¶óµµ Trim coolerÂÊÀº liquid fullÀÌ µÇÁö ¾ÊÀ» °Í °°½À´Ï´Ù. 

4) Ãß°¡·Î 450mm seal loopÇü¼ºÀ¸·Î sub-coolingÀ» À¯µµÇÑ´Ù°í ¼³¸íÇØ Á̴ּµ¥, ±× ¾ê±â´Â Condenser³»ºÎÀÇ liquid levelÀ» ¾à 450mmÀ¯ÁöÇÔÀ¸·Î½á sub-coolingÀÌ µÈ´Ù¶ó°í ÀÌÇØ°¡ µË´Ï´Ù. ±×·±µ¥ ½ÇÁ¦ Çü»óÀº Àß ¶°¿À¸£Áö°¡ ¾Ê½À´Ï´Ù. Outlet line°ú reciver°¡ µ¿¾ÐÀÌ µÊÀ¸·ÎÀÎÇØ liquid°¡ ¹ß»ýÇÏ´Â Á·Á· static head¿¡ ÀÇÇØ ¾Æ·¡·Î ºüÁ®¹ö·Á liquid°¡ Çü¼ºÀÌ µÇÁö ¾Ê´Â °ÍÀÌ ¾Æ´ÑÁö¿ä?

½ºÅ×Æijë Stefano   17-06-22 16:04
1) ¸Ç À§ÀÇ Àû»ö°üÀº Equalizing LineÀ̱⵵ ÇÏ°í Non-condensable(NC) ¹èÃâ°üÀ̵DZ⵵ ÇÕ´Ï´Ù.

2) µÎ¹ø° Àû»ö°ü¸¸ ÀÖÀ» °æ¿ì¿¡´Â Seal Loop ±â´ÉÀÌÁö¸¸ Trim Cooler·Î ³»·Á°¡´Â LineÀÌ ÀÖÀ» °æ¿ì¶ó¸é Equalizing ±â´Éµµ °¡Áú ¼ö Àִµ¥ Equalizing ¸ñÀûÀ̶ó¸é À§·Î ´Ù½Ã ¿Ã¶ó°¡´Â Loop¸¦ µÑ ÀÌÀ¯°¡ ¾ø½À´Ï´Ù.

3) Trim Cooler¸¦ °ÅÃÄ ³ª°¡´Â  LineÀÌ Dip PipeÂÊÀ¸·Î ¿¬°áµÇ¾î È帥´Ù¸é ÁöÀûÇÑ´ë·Î Trim Cooler¿¡ ¾×ÀÌ Ã¤¿ìÁöÁö ¾ÊÀº ä·Î ¿îÀüµÇ°ÚÁö¿ä.

4)À̸¦ ¹æÁöÇϱâ À§Çؼ­´Â µÎ¹ø° û»ö°üÀÌ Seal Loop±â´ÉÀ» Çϵµ·Ï ÇÏ°í ´Ù¸¥ ³ª¸ÓÁö µÎ°³ÀÇ Ã»»ö°üÀ¸ ºÒÇÊ¿äÇÕ´Ï´Ù.  ´ë½Å ¸Ç À§ÀÇ Àû»ö°üÀ» Equalizing Line°â Non-condensable ¹èÃâ°üÀÌ µÇµµ·Ï ÇÏ¸é µË´Ï´Ù.  À̸®µÇ¾ß SystemÀ» ÀÌÇØÇÒ ¼ö ÀÖ½À´Ï´Ù.

µû¶ó¼­  ÀÌ System¿¡¼­´Â °¡¿îµ¥ û»ö Seal Seal Loop¿Í ¸Ç »ó´Ü Àû»ö Equalizing Line¸¸ ÀÖÀ¸¸é µË´Ï´Ù.  ÀÌ Àû»ö LineÀ¸·Î NCµµ ¹èÃâµÇ°í Equaizing ±â´ÉÀ» °®°Ô ÇÒ ¼ö ÀÖ½À´Ï´Ù.  ³ª¸ÓÁö °üµéÀº »çÄ¡¿¡ ºÒ°úÇÕ´Ï´Ù.

5) Main(Total) Condenser ³»ºÎ¿¡ Subcooling ZoneÀ» µÎµµ·Ï ÇÏ·Á¸é Condenser ÇϺηΠ³»·Á¿À´Â DowncomerÀÇ °üÀ¸·Î ¾×ÀÌ ¸ðµÎ Èê·¯³»¸®±â ¶§¹®¿¡ Subcooling Zone ¿î¿µÀÌ µÇÁö ¾Ê½À´Ï´Ù. 

Main ConderÀÇ Subcooling ZoneÀ» »ç¿ëÇÏ°í Trim Cooler°¡ ¾ø´Â °æ¿ì¿¡´Â ¸ÇÀ§ µÎ¹ø° Àû»ö Seal Loop°ü°ú ù¹ø° Equalizine LineÀÌ ÇÊ¿äÇÏ°í Ãß°¡·Î Àû»ö°ü ³¢¸® ¿¬°áÇϵµ·Ï ÇÏ¿© µÎ¹ø° Àû»ö°ü¿¡¼­ ¿¹»óµÇ´Â Siphon Çö»óÀ¸·Î SubcoolingÀÌ ¸Á°¡Áö´Â °ÍÀ» ¹æÁöÇØ ÁÖ¾î¾ß ÇÕ´Ï´Ù.

6) Main CondenserÀÇ Subcooling¿¡´Ù Trim Cooler¸¦ Ãß°¡·Î µÇ´Â °æ¿ì¶ó¸é Main Condenser~Trim Cooler°£ ¿¬°áÀº °¡¿îµ¥ Àû»ö°ü-->°¡¿îµ¥ û»ö°ü-->Trim Cooler--> ¸ÇÀ­ û»ö°üÀ¸·Î ³ÑÃÄÈ帣µµ·ÏÇÏ°í  Trim Cooler°¡ Siphon È¿°ú·Î ºñ¿öÁö´Â °ÍÀ» ¹æÁöÇϱâ À§ÇØ ¸ÇÀ§ÀÇ Àû»ö Equalizing LineÀÌ ÇÊ¿äÇÕ´Ï´Ù.  ÀÌ °üÀº ¶ÇÇÑ NC°¡ Vacuum LineÀ¸·Î ¹èÃâµÇµµ·Ï ÇÏ´Â ¿ªÇÒµµ ÇÏ°Ô µË´Ï´Ù.

°á·ÐÀûÀ¸·Î Trim 4) 5) 6)ÀÇ °æ¿ì¿¡ »ç¿ëÇÏ´Â ¹è°üµé¸¸ ¾µ·Î°¡ ÀÖ°í ³ª¸ÓÁö´Â ºÒÇÊ¿ä Çϰųª À־´Â ¾ÈµÇ´Â °üµéÀÌ µË´Ï´Ù
À̵é Vapor °ø°£À» ¿¬°áÇØ ÁÖ´Â °üµéÀº 1) Equalizing Line (¾Ð·ÂÂ÷¸¦ ¾ø¾ÖÁÖ´Â °ü) 2) Siphon Breaking Line (½ÎÀÌÆù ¹æÁö°ü) 3) NC Vapor ¹èÃâ°ü µîÀÇ ±â´ÉÀ» °¡Áö´Âµ¥ °¢°¢ÀÇ °üÀÌ ÇÊ¿äÇÑ °ÍÀº ¾Æ´Ï°í Çϳª°¡ µÑ ÀÌ»óÀÇ ±â´ÉÀ» °¡Áú ¼öµµ ÀÖ½À´Ï´Ù.

7) Áú¹®¿¡¼­ <..(snip)... 450mm seal loopÇü¼ºÀ¸·Î sub-coolingÀ» À¯µµÇÑ´Ù°í ¼³¸í...(snip).. Condenser³»ºÎÀÇ liquid levelÀ» ¾à 450mmÀ¯ÁöÇÔÀ¸·Î½á sub-coolingÀÌ µÈ´Ù... (snip)...±×·±µ¥ ½ÇÁ¦ Çü»óÀº Àß ¶°¿À¸£Áö°¡ ¾Ê´Â´Ù..> ¶ó°í Çߴµ¥  Seal Loop ÇÏ´Ü¿¡¼­ »ó´ÜÀ¸·Î Èê·¯°¡´Â °üÀº (Áß·ÂÀå ¶§¹®¿¡) Vapor´Â Èê·¯°¥ ¼ö ¾ø°í ¾×¸¸ Èê·¯°¥ ¼ö Àִµ¥  ±×·¯´Ù º¸´Ï Seal  loopÀÇ ÃÖ »ó´Ü±îÁö´Â ¾×ÀÌ Â÷¾ß ³ÑÃÄÈ带 ¼ö ÀÖ´Ù´Â ¶æÀÌ µË´Ï´Ù.   

±× Line ³ôÀ̱îÁö ¾×ÀÌ Ã¤¿öÁ® ÀÖ°í ¾×ÀÌ ´Ù¸¥ °üÀ¸·Î ºüÁú ¼ö ¾ø´Ù¸é  ±× °üÀÌ ¿¬°áµÇ¾î ÀÖ´Â ¸ðµç ÀåÄ¡ÀÇ ¾×¸éÀº Seal Loop ÃÖ°í ³ôÀÌ¿Í °°¾ÆÁö´Â ¿ø¸®ÀÔ´Ï´Ù  ´ë´ÜÇÑ ¹«¾ð°¡°¡ ÀÖ´Â °ÍÀÌ ¾Æ´ÏÁö¿ä.  ¼ö¹®ÀÌ ¿©·¯°³ ÀÖ´Â »ç´ë°­ ´ï Áß¿¡¼­ ¼ö¹®À» ¿­¾î °¡Àå ¸¹ÀÌ ¾×¸éÀ» ³·Ãâ¼ö ÀÖÀ¸·Á¸é ¹®ÅÎÀÌ °¡Àå ³·Àº ¼ö¹®À» °³¹æÇØ¾ß ÇÏ´Â °Í°ú °°½À´Ï´Ù.  ¹®ÅÎÀÌ ³ô´Ù¸é ±× ÀÌÇÏ·Î ¼öÀ§¸¦ ³·Ãâ ¼ö ÀÖ´Â ¹æ¹ýÀº ¾ø´Â °Í°ú ¸¶Âù°¡ÁöÀÌÁö¿ä.  °Å²Ù·Î À̾߱â ÇÏ¸ç ±× ¼ö¹® ³ôÀ̱îÁö´Â ¹°ÀÌ Ã¤¿öÁöÁö¿ä.
   

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