¾È³çÇϼ¼¿ä. steam system¿¡ ´ëÇÏ¿© °ËÅäÇÏ´ø Áß ±Ã±ÝÇÑ »çÇ×ÀÌ ÀÖ¾î Çϱâ¿Í °°ÀÌ Áú¹® µå¸³´Ï´Ù.
1) MP(Middle Pressure) Steam
MP½ºÆÀÀº BFW(Boiler Feed Water)¸¦ OSBL(Outside Battery Limit)¿¡¼ºÎÅÍ ²ø¾î¿Í, MP steam drum
¿¡¼ 23.5 barg Á¤µµ·Î »ý»êÇÏ¿© ÇÁ·Î¼¼½ºÀÇ ¹ÝÀÀ¹°Áú·Î °ø±ÞÇϰųª, ¸î °³ÀÇ heaterÀÇ heating source
·Î »ç¿ëÇÕ´Ï´Ù.
ÀÌ ¶§, MP steam drum¿¡ Phosphate¸¦ DosingÇϴµ¥ ±× ÀÌÀ¯°¡ ±Ã±ÝÇÕ´Ï´Ù.
2) ÀϺΠMP steam(40barg)Àº stripping ¿ëÀ¸·Î »ç¿ëÅ°µµ Çϴµ¥, Á¤È®ÇÑ ¿ø¸®°¡ steamÀ» ºÒ¾î³Ö¾îÁÖ¾î¼
À̹°ÁúÀ» ³¯·Á¹ö¸®´Â °ÍÀÌ strippingÀÇ ¿ø¸®Àΰ¡¿ä?
3) LP(Low Pressure) Steam
LP steamÀº MP steam drum¿¡¼ blowdownµÈ streamµéÀ» blowdown drum¿¡¼ »ý»êÇÕ´Ï´Ù.
ÀÌ´Â productµéÀÇ ÀúÀå¿ë ÅÊÅ©¿¡ solidificationÀ» ¹æÁöÅ° À§ÇÑ coil¿¡ °ø±ÞÇÏ´Â ¿ëµµÀÔ´Ï´Ù.
ÀÌ ¶§, blowdownÀ̶ó´Â ¿ë¾îÀÇ ±¸Ã¼ÀûÀÎ ¿ø¸®°¡ ±Ã±ÝÇÕ´Ï´Ù.
(blowdown drum¿¡¼ LP¸¦ »ý»ê ÈÄ ³²Àº blowdownÀº exportµË´Ï´Ù.)
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