ÀÚµ¿·Î±×ÀÎ
ÄÁÅÙÃ÷ | contents
ÀϹݰԽÃÆÇ
Q&A°Ô½ÃÆÇ
°øÇÐ S/W
½ºÅ͵ð | study
´ÜÀ§È¯»ê
³óµµ°è»ê
ÀϹÝÈ­ÇÐ
È­°øÀϹÝ
È­°ø½Ç¹«

   
  Line ¹× Pump Hydraulic ¹®Á¦Á¡
  ±Û¾´ÀÌ : Aiden   °íÀ¯ID : wonykw2     ³¯Â¥ : 13-09-24 11:03     Á¶È¸ : 6934    

-½Ã½ºÅÛ ¼Ò°³-
ÀÌ ½Ã½ºÅÛÀº Water Pump system ÀÔ´Ï´Ù.
ATM Tank, 650m3/h head 47mÀΠpump, OverflowµÈ water¸¦ ¼øȯ½ÃÅ°´Â Jet Pump, Water Cooler, Agglomerlate catcher·Î ±¸¼ºµÇ¾î ÀÖ½À´Ï´Ù.
Tank ¹× Pump´Â Ground¿¡ ¼³Ä¡µÇ¾î ÀÖÀ¸¸ç, Line»óÀÇ TT/FT/PT°¡ ¼³Ä¡µÇ¾î ÀÖ´Â °÷ÀÌ 3mÁ¤µµ ³ôÀÌ¿¡ ÀÖ´Â Bypass system»óÀÇ High pointÀÔ´Ï´Ù.
Bypass lineÀÌ ¾Æ´Ñ main lineÀº Agglomerlate catcher·Î °¡´Â lineÀÌ¸ç ¿ª½Ã ATM¿îÀüÀÌ°í ¾à 5~6M Á¤µµ ³ôÀÌ¿¡ ¼³Ä¡µÇ¾î ÀÖ½À´Ï´Ù.
 
-½Ã¿îÀü½Ã ¹®Á¦Á¡-
½Ã¿îÀüÀ» À§ÇØ Bypass lineÀ¸·Î °¡´Â LineÀ¸·Î ¿îÀüÀ» ÁøÇàÇß°í, Áï Agglomerlate catcher·Î °¡´Â lineÀÇ valve¹×  Cooler·Î °¡´Â lineÀÇ valve´Â block µÇ¾î ÀÖ½À´Ï´Ù. Jet pump·Î °¡´Â lineÀÇ valve´Â open µÇ¾î ÀÖ½À´Ï´Ù.
Pump °¡µ¿½Ã PG´Â 4.6barÁ¤µµ°¡ ÃøÁ¤ÀÌ µÆÀ¸³ª High point¿¡ ÀÖ´Â PT°¡ ÃøÁ¤ÀÌ ¾ÈµÇ´Â ¹®Á¦Á¡ÀÌ »ý°å½À´Ï´Ù.
¶ÇÇÑ Jet pumpµµ ¿øÈ°ÇÏ°Ô ¿îÀüÀÌ µÇÁö ¾Ê¾Æ water°¡ ¹Ù´ÚÀ¸·Î Èê·¯ ³»¸®°í ÀÖ´Â »óȲÀÔ´Ï´Ù.
Hydraulic»ó Line lossµµ ¾ó¸¶µÇÁö ¾Ê°í headµµ ¾ó¸¶µÇÁö ¾Ê¾Æ ¿¹»óÀ¸·Î´Â PG¿Í PT°¡ ¾ó¸¶Â÷ÀÌ°¡ ³ªÁö¾ÊÀ»²¨¶ó »ý°¢ÇÏÁö¸¸ ¾Æ¿¡ ÃøÁ¤ÀÌ µÇÁö ¾Ê½À´Ï´Ù. Å×½ºÆ® °á°ú PT´Â ¹®Á¦°¡ ¾ø½À´Ï´Ù. ´Ù¸¸ Bypass lineÀ» block ½ÃÅ°°í agglomerate cathcher·Î °¡´Â lineÀ» open ½ÃÅ°¸é PT´Â ¾à 1barÁ¤µµ ÃøÁ¤ÀÌ µË´Ï´Ù.
 
Á¦°¡ »ý°¢Çϱâ·Î´Â µÎ °¡Áö Ãø¸éÀ¸·Î ¹®Á¦Á¡À» Á¢±ÙÇØ ºÃ½À´Ï´Ù.
1. Flow¿¡ ºñÇØ Line size°¡ Å©±â ¶§¹®¿¡ High pointÀÎ PT¼³Ä¡ ÁöÁ¡¿¡¼­´Â ¸¸°üÀ¸·Î È帣Áö ¾Ê°í Tank±îÁö Gravity·Î Èê·¯ ¾Ð·Â
   ÀÌ ÃøÁ¤ÀÌ ¾ÈµÈ´Ù.  Áï PT ÈÄ´Ü¿¡ Restriction Orifice¸¦ ¼³Ä¡Çؼ­ ¹è°ü»óÀÇ full liquid»óŸ¦ ¸¸µç´Ù. (¿©±â¼­ µå´Â Àǹ®Àº Line 
   sizing½Ã size°¡ ÀÛÀ»¶§´Â ¹®Á¦°¡ µÇÁö¸¸ À¯·®º¸´Ù Ŭ °æ¿ì¿¡µµ °ú¿¬ ¹®Á¦°¡ µÇ´Â°¡?)
2. Jet Pump·Î °¡´Â lineÀÌ ¾îÂ¸é Pump  minimum flow lineÀ¸·Î º¸¸é º¸ÅëÀº minimum flow line¿¡ control valve³ª
    restriction orifice¸¦ ¼³Ä¡Çؼ­ pressur balance¸¦ ¸ÂÃß¾î À¯·®À» Á¶ÀýÇϴµ¥ ÀÌ ½Ã½ºÅÛ¿¡´Â pressure balance°¡ ¸ÂÁö¾Ê¾Æ
    bypass line¿¡ Pressure°¡ ³²¾ÆÀÖÁö ¾Ê¾Æ PT°¡ ÃøÁ¤ÀÌ ¾ÊµÇÁö ¾Ê³ª ÇÏ°í »ý°¢ÇغýÀ´Ï´Ù.
 
   ÇØ°áÃ¥ÀÌ ¹«¾ùÀÎÁö Á¶¾ð ºÎŹµå¸³´Ï´Ù. 

¿£Áö´Ï¾î¸°¡¦ porty   13-09-24 15:28
1. HIGH POINT¿¡ ¸¸°üÀÌ ¾Æ´Ï±â º¸´Ù, ORIFICE°¡ ¾ø¾î¼­ TANK¿¡ OVERFLOW NOZZLEºÎÅÍ PT±îÁö PRESSURE DROPÀÌ ¹ÌºñÇÏ´Ù º¸´Ï PT¿¡ ¾Ð·ÂÀÌ ¾È°É¸®´Â°Í °°½À´Ï´Ù. (PG³ª PT³ª 0.3BAR Á¤µµ Â÷À̳¯°Í°°½À´Ï´Ù)

2. µû¶ó¼­ BYPASS LINE¿¡ PUMP MIN. FLOW¸¦ È긱 ¼ö ÀÖµµ·Ï RESTRICTION ORIFICE¸¦ ¼³Ä¡ÇÏ´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÏ´Ù°í »ý°¢µË´Ï´Ù. (RETURN LINE ÇÕ·ùÁöÁ¡ Àü¿¡ ¼³Ä¡)

3. JET EJECTORÂÊÀ¸·Î ºÐ±âµÇ¾î BYPASS LINEÀ¸·Î ÇÕ·ùµÇ´Â ¹è°üÀÇ ÀúÇ×ÀÌ »ó´Ü BYPASS ¹è°üÀÇ °Íº¸´Ù Ä¿¼­ À¯·®ÀÌ Á¦´ë·Î Çü¼ºÀÌ ¾ÈµÈ°Í °°±âµµ ÇÕ´Ï´Ù. ÀÌ´Â º» BYPASS LINE¿¡ ORIFICE¸¦ ¼³Ä¡Çϸé ÀÚ¿¬½º·´°Ô ÇØ°áµÉ °ÍÀ̶ó »ý°¢µË´Ï´Ù.


*) AGG... CATCHERÂÊÀ¸·Î ¼Û¼ö½Ã¿¡µµ PT°¡ 1BARÁ¤µµ¶ó¸é PUMP TDH°¡ ³Ê¹« Å©°Ô »êÁ¤µÈ °ÍÀÌ ¾Æ´Ñ°¡ ±Ã±ÝÇÕ´Ï´Ù. RUNOUT »óÅ À̻󿡼­ ¿îÀüµÇ´Â°Í °°Àºµ¥ MCC¿¡¼­ FAULT ³ªÁö ¾Ê´ÂÁö ±Ã±ÝÇÕ´Ï´Ù.
**) DIAGRAMÀ¸·Î Àß ÀÌÇØ°¡ ¾ÈµÇ¾î¼­,,, ÅÊÅ©¿¡¼­ OVERFLOW³ª´Â ¹°À» µû·Î µÎ´Â °÷¿¡¼­ EJECTOR¸¦ ÅëÇØ ´Ù½Ã TANK·Î º¸³»´Â °ÍÀÎÁö ±Ã±ÝÇÕ´Ï´Ù. EJECTOR°¡ ÀÛµ¿ÀÌ ¾ÈµÇ¾î µû·Î º°µµ·Î OVERFLOW ¸ð¾ÆµÎ´Â °÷¿¡¼­ ¹°ÀÌ ³ÑÄ¡°í ÀÖ´Â °ÍÀÎÁö¿ä?
     
Aiden wonykw2   13-09-24 18:51
1) ÀÌ ½Ã½ºÅÛÀÌ Vendor¿¡¼­ Àüü ¼³°èÇÑ °ÍÀ̶ó DetailÇÑ °ËÅ並 ¸øÇÑ À߸øÀº ÀÖ½À´Ï´Ù. (Hydraulic½Ã TDH°¡ ¸ðÀÚ¸¦¶©
    ¹®Á¦°¡ µÇÁö¸¸ Ŭ¶© ¹®Á¦°¡ ¾ÈµÈ´Ù°í ÆÇ´ÜÇß¾ú´Âµ¥...Head°¡ ¸¹ÀÌ Å¬¶§µµ System¿¡ ¹®Á¦°¡ »ý±â´Â±º¿ä?
    Pump discharge block valve¸¦ Full open¶§´Â Overcurrent°¡ µÇ¼­ TripÀÌ ¹ß»ýµÇ±â¿¡ Full open »óÅ´ ¾Æ´Õ´Ï´Ù.
    ÀϺΠcloseµÇ¾î ÀÖ½À´Ï´Ù. ÇöÀç Block valve Á¶ÀÛÀ» ÅëÇØ ¿îÀüÁ¡ÀÎ Head¸¦ ¸ÂÃá »óÅÂÀÔ´Ï´Ù.
    (ÀÌ ºÎºÐ¿¡¼­µµ ¹®Á¦ÀÇ ¼ÒÁö°¡ ÀÖÀ»±î¿ä?)

2) ÀÌ ½Ã½ºÅÛÀ» º¸´Ù ÀÚ¼¼È÷ ¼³¸íµå¸®¸é PCW(Pellet cooling water)SystemÀ¸·Î Pelletizer·Î µé¾î°¬´Ù°¡ DryerÀÇ
    Agglomerate·Î µé¾î°¡¸ç, ÃÖÁ¾ÀûÀ¸·ÎTank·Î ¸®Åϵ˴ϴÙ.
  Tank water¿¡ Pellet°¡ Á¸ÀçÇÏ°Ô µÇ°í Overflow½ÃÄÑ screenÀ» ÅëÇØ pelletÀº  ºÐ¸® ½ÃÅ°°í screen¾Æ·¡·Î ¶³¾îÁö´Â
  ¹°À» Ejector¸¦ ÅëÇØ ´Ù½Ã Tank·Î recycle½ÃÅ°°Ô µË´Ï´Ù. ±Ùµ¥ Ejector°¡ Á¦±â´ÉÀ» ¸øÇØ recycleÀ» ¸ø ½ÃÅ°°í ¹Ù´ÚÀ¸
  ·Î ³ÑÄ¡´Â Çö»óÀÌ ¹ß»ýÇѰű¸¿ä.

3) ÀÌ·¸°Ô »ý°¢ÇغýÀ´Ï´Ù. ¹°·Ð ¹°Àº ³ÑÄ¡°ÚÁö¸¸ Ejector·Î °¡´Â lineÀÇ valve¸¦ block½ÃÅ°¸é PT°¡ Á¦´ë·Î ÃøÁ¤À» ÇÒ±î
    ¿ä?? (¿ä°Ç Clinet¿¡ Å×½ºÆ® Çغ¸¶ó°í ¿äûÇغ¸°Ú½À´Ï´Ù.)
½ÅÀÔÈ­°ø bhk3927   13-10-25 17:26
1. ¹è°ü Size°¡ Å©°Å³ª Head°¡ ³ô¾Æ¼­ ¹ß»ýÇÏ´Â ¹®Á¦´Â ¾Æ´Ñ°Å °°½À´Ï´Ù.

2. ½Ã½ºÅÛ ±¸¼º¿¡ ´ëÇØ ¸î°¡Áö¸¸ È®ÀÎÇÏ°Ú½À´Ï´Ù.
1) Jet PumpÀÇ Á¤È®ÇÑ ¿ëµµ°¡ ¹«¾ùÀÎÁö? ±×¸®°í Jet ÆßÇÁÀÇ ±¸µ¿¿øÀº ¹«¾ùÀÎÁö?
2) High Point°¡ ÀúÀåÅÊÅ©ÀÇ High Point¸¦ ¸»Çϴ°ÇÁö? PT ÃøÁ¤¹üÀ§°¡ ¾î¶»°Ô µÇ´ÂÁö? (Áø°øÆ÷ÇÔ)

3. TCV´Â ¿Ö ¼³Ä¡ÇÑ°ÇÁö?

4. Æò»ó½Ã ¿­±³È¯±â·Î ¿öÅÍ°¡ °ø±ÞµÇ´ÂÁö? ¿­±³È¯±âÀÇ ³Ã¸Å´Â º°µµ·Î °ø±ÞÇÏ´ÂÁö?

5. Á¦ »ý°¢À¸·Î´Â Å« ½Ã½ºÅÛºÎÅÍ Çϳª¾¿ È®ÀÎÇÏ½Ã´Â°Ô ÁÁÀ» °Í °°³×¿ä.
1) Jet Pump °¡µ¿ÁßÁö °ü·Ã ¶óÀÎ ¸ðµÎ Â÷´Ü
2) By Pass LineÀÇ ¼öµ¿¹ëºê¸¦ ±Ëµµ Á¶ÀýÇؼ­ ÆßÇÁ ±âµ¿ ( ÅÊÅ© -> ÆßÇÁ -> By Pass Line -> ÅÊÅ©)
3) ÀÏÁ¤¾Ð·Â±îÁö »ó½Â½ÃŲÈÄ Agglomerlate catcher À̼۶óÀÎÀÇ Â÷´Ü¹ëºê Open
4) 1)~3) ¿îÀü¿¡ ¹®Á¦°¡ ¾ø´Â °æ¿ì ±âŸ ¼³ºñ ½Ã¿îÀü ÁøÇà
   

Copyright 1999.07.10-Now ChemEng.co.kr & 3D System Engineering. (mail : ykjang@naver.com, call 010-4456-8090)