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  Fired Heater Fuel Gas K.O Drumµî
  ±Û¾´ÀÌ : ±¸¹ß   °íÀ¯ID : iamjbn     ³¯Â¥ : 18-10-29 08:55     Á¶È¸ : 4354    

1. ÀÎÅÍ³Ý È­ÇаøÇÐÀ» ÅëÇØ ¸¹Àº µµ¿òÀ» ¾ò°í ÀÖ½À´Ï´Ù. Fired Heater¸¦ Column

     Reboiler·Î »ç¿ëÇÏ´Â Plant P&ID¸¦ º¸´Ù ±Ã±ÝÇÑ Á¡ÀÌ ÀÖ¾î ¼±¹è´Ôµé²² ÁúÀÇÇÕ

    ´Ï´Ù.

 

2. Fired Heater¿¡ Snuffing SteamÀ» °ø±ÞÇÏ´Â ¹è°üÀÌ ¼³Ä¡µÇ¾î Àִµ¥

    Snuffing SteamÀÇ ¸ñÀûÀº Heater ³»ºÎÀÇ ¹è°ü ÆÄ¿­ ¶Ç´Â Leak½Ã ÅõÀÔÇÏ´Â

    °Ç°¡¿ä? ¸¸¾à ±×·¸´Ù¸é SteamÀÌ ¾î¶²¿ªÇÒÀ» Çϴ°ÍÀÌÁÒ?

 

3. P&ID¿¡ Note·Î Ç¥±âµÇ¾î ÀִºκÐÀ¸·Î Fired Heater Snuffing Steam ¹è°ü

   ÀÇ Manual Gate Valve¿Í Fuel Feed ¹è°üÀÇ Manual Gate Valve´Â Lacate

     valve at grade minimum 15m away from heater¶ó°í ÀûÇôÀִµ¥ Heate

    r¿¡ ¹®Á¦°¡ »ý°åÀ» °æ¿ì¸¦ ´ëºñÇÏ¿© »ç¶÷ÀÌ ¹ëºê¸¦ ¾ÈÀüÇÏ°Ô ´Ý±âÀ§ÇÑ °Å¸®

   À¯Áö·Î º¸¸é µÇ´Â °É±î¿ä?

 

4. Fired Heater Snuffing Steam ¹è°üÀÇ Manual Gate Valve¿¡ Weep hole

    (1/4") shall be provided near the isolation valve downstreamÀ̶ó´Â ¹®±¸

   °¡ Àִµ¥ Á¤È®ÇÑ Àǹ̸¦ ÀÌÇØÇÏÁö ¸øÇÏ°Ú½À´Ï´Ù.

5. Foster wheeler process design 'heater' sectionÀ» º¸¸é ¾Æ·¡¿Í °°Àº ¹®±¸

   °¡ ÀÖ½À´Ï´Ù. Fuel gas °ø±Þ¹è°ü¿¡ K.O DrumÀº ²À ÀÖ¾î¾ß Çϳª¿ä? LNG°°

   Àº ÀúºñÁ¡ °¡½º¿¡µµ ÇÊ¿äÇÑ°¡ ÇÏ´Â Àǹ®ÀÌ µì´Ï´Ù.

   A knockout drum should be provided on the fuel gas supply to each

   heater (or group of heaters when located close to each other) to keep

   condensate out of the heaters. A slug of fuel gas condensate entering a

    gas-fired heater can extinguish the flame and flood the floor of the

   firebox and upon reignition cause serious fire damage of the heater

   and/or adjacent equipment.

 


ÀÌÁ¾¼® chemtech   18-10-30 10:08
2.¹ø : ½ºÆÀÀ» °ø±ÞÇÏ´Â ÀÌÀ¯´Â ¹è°ü ÆÄ¿­ ¹× LEAK½Ã ÅõÀÔÇÏ´Â °ÍÀÌ ¾Æ´Ï¸ç ¿¬¼Ò½Ã¿¡ ¸Å¿¬¹ß»ýÀ» ÁÙÀ̱â
À§Çؼ­ °ø±ÞÀ» ÇÏ¸ç ¶ÇÇÑ ÃÖ´ë Ç÷¹¾î LOADÀÇ ¾à 20 % ÀÌ»ó ³·Àº ±¤µµ (ºûÀÇ ¼¼±â) ¸¦ À¯ÁöÇϱâ À§ÇÔ ÀÔ´Ï´Ù.

3¹ø : ¾ÈÀüÀ» À§ÇÑ °Å¸®·Î º¸¿© Áý´Ï´Ù

4¹ø : ÀÏÁ¾ÀÇ ¿À¸®Çǽº¸¦ ¼³Ä¡ÇÏ¿© ÀÏÁ¤·®¾¿ Ç×»ó ½ºÆÀÀ» °ø±ÞÇ϶ó´Â ÀÇ¹Ì ÀÔ´Ï´Ù

5¹ø : ¿µ¹®ÀÇ ¼³¸í´ë·Î °¡½º°¡ ÀÀÃàµÉ¼ö Àֱ⠶§¹®¿¡ ¹Ýµå½Ã ÇÊ¿ä ÇÏÁö¿ä
        ¿©±â°Ô Ãß°¡·Î SEAL POTµµ ÇÊ¿ä ÇÕ´Ï´Ù. ¿ªÈ­¹æÁö ±â´ÉÀ» ÇÕ´Ï´Ù
        LNGó·³ ÀÀÃàµÇÁö ¾Ê´Â °æ¿ì¿¡´Â K.O µå·³ÀÌ ÇÊ¿äÇÏÁö ¾Ê½À´Ï´Ù
½ºÅ×Æijë Stefano   18-10-30 15:20
(1) ¾Õ¼± ´ä±ÛÀº Fired Heater¿¡ ´ëÇÑ ´ä±ÛÀÌ ¾Æ´Ï°í  Flare Stack¿¡ ´ëÇÑ ´ä±Û·Î º¾´Ï´Ù.  ´ë½Å ´ÙÀ½ ´ä±ÛÀ» Âü°íÇϼ¼¿ä.

(A2) Fired HeaterÀÇ Fire Box¿¡ °ø±ÞÇÏ´Â SteamÀº Fire Box Purging ¸ñÀûÀ¸·Î »ç¿ëµÇ´Â °ÍÀÔ´Ï´Ù.  Fire Box Ãʱâ Á¡È­Àü PurgingÀ̳ª Shut-down ÈÄ Purging¿¡ ÁÖ·Î »ç¿ëµÇ°í Tube ´©¼³·Î ÀÎÇÑ Fire Box È­Àç½Ã¿¡µµ »ç¿ëÇÕ´Ï´Ù. (Coil¿¡ ¿¬°áµÇ¾î °ø±ÞÇÏ´Â SteamÀÇ °æ¿ì´Â Coil PurgingÀ̳ª Decoking ¸ñÀûÀ¸·Î ¾²ÀÔ´Ï´Ù.)

(A3) ¸Â½À´Ï´Ù.  Fired Heater¿¡ È­Àç ¹ß»ý½Ã Á¢±ÙÀÌ °¡´ÉÇÑ À̰ݰŸ® 1Ãþ(Áö»óÃþ) ¿¡¼­ Fuel Gas¸¦ Àá±×°í Purging SteamÀ» ¼öµ¿À¸·Î ¹ëºê¸¦ Á¶ÀÛÇÒ ¼ö ÀÖµµ·Ï Çϱâ À§ÇÔÀ̹ǷΠ"¾ÈÀü°Å¸®"¿¡ ÇØ´çÇÕ´Ï´Ù.

(A4) Isolation Valve µÚ¿¡ ¿¬°áµÇ´Â Snuffing ¹è°ü¿¡ ÀÀÃà¼ö µîÀÌ ³²¾Æ ÀÖÀ¸¸é ºñ»ó½Ã Steam °ø±ÞÀ» ¿øÇÒÇÏ°Ô ÇÒ ¼ö ¾ø°í ÀÀÃà¼ö°¡ µé¾îÀÖ´Ù¸é ¹°À» °í¿ÂÀÇ Tube¿¡ »Ñ·Á´ïÀ¸·Î½á Tube°¡ ÆÄ¿­µÇ´Â ÀÏÀÌ ¹ß»ýÇÒ ¼ö ÀÖÀ¸¹Ç·Î "Weeping(Drain) Hole"À» ¶Õ¾î ³õÀ¸¶ó´Â À̾߱â ÀÔ´Ï´Ù.

(A5) Fuel Gas°¡ LNGÀÎ °æ¿ì¶ó°í ÇÏ¿©µµ ¹è°ü¿¡ ¼öºÐÀÌ ³²¾ÆÀÖÀ» ¼ö ÀÖÀ¸¹Ç·Î À̸¦ Á¦°ÅÇÒ ¼ö ÀÖµµ·Ï Ç϶ó´Â °ÍÀÌ°í ƯÈ÷ ¼®À¯È­ÇÐ, Á¤À¯, µîÀÇ °øÀå¿¡¼­´Â ÀÚü »ý»ê Fuel Gas¸¦ »ç¿ëÇÒ °æ¿ì ´õ´õ¿í Condensate Á¦°Å°¡ ÇÊ¿äÇÏ°í ºÎ¼öÀû È¿°ú·Î Buffering ±â´É°ú Gas Ç°Áú ±ÕÁúÈ­ÀÇ ±â´Éµµ °¡Áý´Ï´Ù.  ¼öºÐÀÌ µé¾îÀÖÀ» ¶§ FlameÀÌ ²¨Á³´Ù ´Ù½Ã ºÒÀÌ ºÙ´Â´Ù¸é Æø¹ß À§ÇèÀÌ Àֱ⠶§¹®ÀÌÁö¿ä.
±¸¹ß iamjbn   18-10-31 12:54
¸¹Àº µµ¿òÀÌ µÇ¾ú½À´Ï´Ù. °¨»çÇÕ´Ï´Ù
   

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