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  Criteria for Shell & Tube Heat Exchanger Fixed and Sliding Saddle.
  ±Û¾´ÀÌ : ÄÍ¿£Áö´ººñ   °íÀ¯ID : june5892     ³¯Â¥ : 19-02-27 10:13     Á¶È¸ : 2686    
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Á¦¸ñ±×´ë·Î Shell & Tube Heat Exchanger  ÇÑ ÂÊ Support´Â Fixed µÇ¾î ÀÖ°í
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½ºÅ×Æijë Stefano   19-02-28 11:33
(1) Expansion Joint, Floating Head, or U-Tube
Tube¿Í ShellÀÇ Thermal Stress Analysis °á°ú¿¡ ÀÇÇØ Fixed Tube Sheet·Î Á¦ÀÛÇϰųª Shell¿¡ Expansion Joint ȤÀº Floating Head TypeÀ¸·Î Á¦ÀÛÇϴµ¥ ¹ßÁÖÀÚ°¡ ¹Ì¸® ÇüŸ¦ ¼±Á¤Çصΰí Á¦ÀÛÀü Stress Analysis¸¦ Á¦ÀÛÀÚ°¡ ½Ç½ÃÇؼ­ ±â±â Á¦ÀÛ ½Ã Thermal Analysis °á°ú¸¦ ÇÔ²² ³³Ç°Çϵµ·Ï ÇÏ´Â °ÍÀÌ º¸ÅëÀÔ´Ï´Ù.  Thermal Stress¸¦ ³ªÅ¸³»Áö ¾Ê´Â U-tube·Î ¼±Á¤ÇÒ ¼öµµ ÀÖ½À´Ï´Ù.

ShellÀÇ Rear End(Front, Stationary EndÀÇ ¹Ý´ëÂÊ)ÀÇ ÇüÅ´ TEMA(¹Ì ¿­±³È¯±âÁ¦ÀÛÀÚÇùȸ)¿¡¼­ 8°³ Á¾·ù·Î ±¸ºÐÇÏ°í Àִµ¥ ÀÌÁß Floating Head ÇüÅ´ 4Á¾·ù°¡ ÀÖ½À´Ï´Ù. 

https://www.google.co.kr/search?q=%22Heat+Exchanger+Head+Types%22&newwindow=1&source=lnms&tbm=isch&sa=X&ved=0ahUKEwj40Z2isd3gAhVL6LwKHfGCC58Q_AUIDigB&biw=1708&bih=832&dpr=1.1#imgrc=_

(2) Thermal Stress in Heat Exchanger

Thermal Analysis´Â ¿îÀüÁß È¤Àº ½Ãµ¿ ¹× Á¤ÁöµµÁß Shell¿Í Tube¿¡¼­ÀÇ ¿ÂµµÂ÷°¡ ¹ß»ýÇÏ¿´À» ¶§ TubeÀÇ Àüü ¼öÃà·Â ȤÀº ÀÎÀå·Â(Æ©ºêÀÇ ¼öÃà ȤÀº ÀÎÀå ÀÀ·Â°ú Àç·á Àü ´Ü¸éÀÇ °ö)ÀÌ ShellÀÇ Àüü ÀÎÀå·Â ȤÀº ¼öÃà·Â°ú Balance¸¦ ÀÌ·ê ¶§ Àç·á³»¿¡¼­ ¹ß»ýÇÏ´Â ÀÀ·ÂÀÌ »ç¿ëÀç·áÀÇ Çã¿ë¹üÀ§¿¡ ÀÖ´ÂÁö¸¦ °ËÅäÇÏ´Â °ÍÀÔ´Ï´Ù.  »ç¿ëÀç·áÀÇ Çã¿ë¹üÀ§´ÂASME/µîÀÇ Á¦ÀÛÇ¥ÁØÀ» Àû¿ëÇÏ´Â ¾Ð·Â¿ë±â¿¡ »ç¿ëÇÏ´Â ÀçÁú¿¡ ¸í½ÃµÇ¾î ÀÖ½À´Ï´Ù.
ÄÍ¿£Áö´ººñ june5892   19-03-01 17:38
ÀÚ¼¼ÇÑ ´äº¯ Áø½ÉÀ¸·Î °¨»çµå¸³´Ï´Ù.

Ãß°¡ÀûÀÎ Áú¹®¿¡ ´ëÇÑ ´äº¯ ºÎŹµå¸³´Ï´Ù.!! (²Ù¹÷)

  ¸ÕÀú, "Thermal Stress¸¦ ³ªÅ¸³»Áö ¾Ê´Â U-tube·Î ¼±Á¤ÇÒ ¼öµµ ÀÖ½À´Ï´Ù."¶ó°í ¸»¾¸Çϼ̽À´Ï´Ù.

Á¦°¡ ¾Ë°í ÀÖ±â·Î´Â U-TubeTypeÀº ÀÚüÀûÀ¸·Î Thermal expansionÀ» Èí¼öÇÒ ¼ö ÀÖ´Ù°í ¾Ë°í ÀÖ½À´Ï´Ù.

±×·¸±â ¶§¹®¿¡ Thermal Stress¸¦ ³ªÅ¸³»Áö ¾Ê´Â´Ù°í ¸»¾¸ÇϽŰǰ¡¿ä?

  µÎ¹ø°´Â Áú¹®ÀÇ ÇÙ½ÉÀ̾ú´ø Saddle(Heat Exchanger Support) Bolt HoleÀ» BoltÅ©±â¿¡ ¸ÂÃç¼­ Fixed½ÃÅ°´Â ÂÊÀÌ ÀÖ°í

¿©À¯ºÐÀ» µÎ°í Nut¸¦ tightÇÏ°Ô Á¶ÀÌÁö ¾Ê¾Æ¼­ SlidingÇÒ ¼ö ÀÖ°Ô Çϴµ¥ ÀÌ°Í ¶ÇÇÑ Thermal Expansion AnalysisÀÇ

°á°ú¸¦ Åä´ë·Î ÆÇ´ÜÇÏ´Â °ÍÀÎÁö¿ä???\

¹Ì¸® ´äº¯ °¨»çµå¸³´Ï´Ù.!!!!!
Stefano    19-03-03 18:58
(1) U-TubeÀÇ °æ¿ì ÇϳªÀÇ Tube Sheet¿¡ ¿¬°áµÇ¾î ÀÖ°í Tube°¡ ÆØâÇϰųª ¼öÃàÇصµ Shell¿¡ Stress°¡ ÀüÇô Àü´ÞµÇÁö ¾ÊÀ¸¹Ç·Î Exapansion Joint³ª Floating Head µîÀ» °Å·ÐÇÒ ÇÊ¿ä°¡ ¾ø´Â ±¸Á¶ÀÔ´Ï´Ù.

(2) Shell¿¡ ´Þ·ÁÀÖ´Â SaddleÀÇ °æ¿ì¿¡µµ ShellÀÌ ÆØâ, ¼öÃàÇÏ´Â °ÍÀ» Èí¼öÇÒ ¼ö ÀÖµµ·Ï ÇÑÂÊÀ» °íÁ¤À¸·Î ³ª¸ÓÁö ÇÑÂÊÀ» Sliding Pad·Î ¸¸µé¾î °íÁ¤Çϴµ¥ ÀÌ´Â ShellÀÇ ¿­ÆØâÀ» À§ÇØ °í·ÁÇÏ´Â °ÍÀÌ°í ±â±â¼³Ä¡¸¦ ¿ëÀÌÇÏ°Ô ÇϱâÀ§ÇÑ °ÍÀÏ »Ó, Tube¿Í ShellÀÇ Thermal Stress¿Í´Â ¹«°üÇÑ °ÍÀÔ´Ï´Ù.  ÀÌ ±¸Á¶´Â Thermal Stress ¾ø¾îµµ Bolt HoleÀ» Ÿ¿øÇüÀ¸·Î ¸¸µé¾î µÎ´Â °ÍÀÔ´Ï´Ù.  ±â±âÀåÄ¡ ¼³Ä¡¸¦ À§ÇØ Anchor Bolt À§Ä¡°¡ Â÷ÀÌ°¡ ³ª´õ¶óµµ ½±°Ô ÀÚ¸®ÀâÀ» ¼ö ÀÖµµ·Ï ÇϱâÀ§Çؼ­ ÀÌÁö¿ä.
   

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