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  breather valve °ËÅä
  ±Û¾´ÀÌ : Engineerin¡¦   °íÀ¯ID : lhtbdg13     ³¯Â¥ : 15-09-04 13:55     Á¶È¸ : 5805    
¾È³çÇϼ¼¿ä È­ÇÐȸ»ç¿¡ ±Ù¹«ÁßÀÎ ¿£Áö´Ï¾î ÀÔ´Ï´Ù
 
±Ý¹ø Breather valve °ü·ÃÇÏ¿© °ËÅä ÁßÀä.
 
Tank  ÀúÀå ³»¿ë¹°ÀÌ ÀÎÈ­Á¡ÀÌ 111µµ ÀÎ Ethylene Glycol ÀÓ¿¡ µû¶ó  Breather V/V°¡
 
ÇÊ¿ä ¾ø´Â °æ¿ì Àε¥, °øÀå ¾ÈÀü °ü·ÃÇÏ¿© ¼³Ä¡ÇÏÀÚ°í ÇÕ´Ï´Ù.
 
API2000¹ø È®ÀÎÇÏ¿© Á¤È®ÇÑ Set pressure, Vent pressure ¸¦ Áà¾ß µÇ´Â °ÍÀÌ Á¤¼®ÀÌÁö¸¸
 
±×·² ÇÊ¿ä°¡ ¾ø´Â °ÍÀ¸·Î »ç·Ê µË´Ï´Ù.
 
º¸Åë ½Ç¹«ÁøÇà ÇÏ½Ç ¶§ Set pressure, Vent pressure´Â ÅÊÅ© Design ¾Ð·ÂÀÇ ¸î % ¼³Á¤ÇϽôÂÁö¿ä?
 
Á¶¾ð ºÎŹµå¸³´Ï´Ù.
 
ex) ÅÊÅ© design ¾Ð·Â : 760 mmhg
     Breather V/V ¾Ð·Â(set pressure) : 760*0.85 = 650mmhg..
     Breather V/V ¾Ð·Â (Vent pressure) :760*0.3 = 230mmhg
 
vent pressure À϶§ °ø±â°¡ ÈíÀԵǴ °Å ¸ÂÁÒ?
 
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Á¶¾ðºÎŹµå¸³´Ï´Ù.

½ºÅ×Æijë Stefano   15-09-04 19:12
(1) ¼³°è¾Ð·ÂÀÌ 760 mmHg ÀÌÇ϶ó¸é API 620À» Àû¿ëÇØ¾ß ÇÏ´Â TankÀÌ°í Pressure/Vacuum Vent¿ë Breather ValveÀÇ Set Point´Â Design Pressure¸¦ ³ÑÁö ¾Êµµ·Ï ÇÏ¸é µË´Ï´Ù. 

(2) API 650 Àû¿ë Tank´Â ´ë±â¾Ð¿¡¼­ ÀúÀåÇϰųª ÁöºØÆÇÀÇ ¹«°Ô¸¦ µé¾î¿Ã¸± ¼ö ÀÖ´Â ¾Ð·ÂÀÌ»óÀ¸·Î ¼³°èÇÏÁö ¾ÊÀ¸¸ç ±â²¯ÇØ¾ß 500 mmH2OÀÌÇÏ ¾Ð·Â, 100mm H2OÀÌÇÏÀÇ Áø°øÁ¤µµÀÇ ¼³°è¾Ð·ÂÀ» °¡Áö°í ÀÖ½À´Ï´Ù.   

230mm Hg Á¤µµ Áø°øÀ» °É¾îÁشٸé API650, API620 Tank´Â ¸ðÁ¶¸® ÂÞ±×·¯µé¾î ¸Á°¡Áý´Ï´Ù.  ´ëÇü¿ë±â´Â ƯÈ÷ Áø°ø¿¡ ¾ÆÁÖ Ãë¾àÇÕ´Ï´Ù.   
 
(3) Venting ÇÏ´Â °ÍÀ» Out-breathingÀ̶ó°í ÇÏ°í ÈíÀÔÇÏ´Â °ÍÀº In-breathingÀ̶ó°í ÇÕ´Ï´Ù. 
   
(4) Breather ValveÀÇ Set Point¿¡ °üÇؼ­´Â Á¤È®ÇÑ Guide°¡ µÇ¾î ÀÖÁö ¾Ê½À´Ï´Ù. 

N2¸¦ Sealing Gas·Î »ç¿ëÇÏ´Â °æ¿ì¶ó¸é Out-/In-breating ÇÏ´Â Á¶Àý¹ëºê·Î ¹ÐºÀÇÏ°í À̵éÀÇ µ¿À۾зÂÀ» ÅÊÅ©ÀÇ ¾Ð·Â/Áø°ø ¼³°è¾Ð·ÂÀÇ  °¢°¢(¿¹¸¦ µé¾î) 90%/75% Á¤µµ¿¡¼­ 100%ÀÇ Vent/ÈíÀÔ À¯·®À» Èê·Áº¸³¾ ¼ö ÀÖµµ·Ï Çϸé ÀúÀå¿ë±â³» VaporÀÇ ¼Õ½ÇÀ» ¸·À¸¸é¼­ ±â±âÀåÄ¡¸¦ º¸È£Çϱ⿡ Àû´ÞÇÒ °ÍÀÔ´Ï´Ù. 

ÀÌ ¶§, Vent LineÀÇ ¸·ÈûÀ̳ª N2 °ø±ÞÁߴܽà VacuumÀÌ °É¸®´Â °æ¿ì°¡ °¡Àå Ãë¾àÇÑ »óȲÀÌ µÇ±â ¶§¹®¿¡ ¼³°è¾Ð·Â/Áø°ø¿¡¼­ Emergency Vent, Emergency Inbreathing Duty¸¦ 100% Èê·Áº¸³¾ ¼ö ÀÖ´Â º°µµÀÇ Vent Hatch¸¦ µÎ´Â °ÍÀÌ ¾ÈÀüÇÏ°ÚÁö¿ä.
   

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