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reflux ratio¸¦ ÅëÇؼ caculationÀ» ÇؾßÇÏ´Â °ÍÀÎÁö, È®ÀÎÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀÌ ÀÖ´Â °ÍÀÎÁö ±Ã±ÝÇÕ´Ï´Ù.
Stefano
18-08-01 19:30
Column Sizing(Rating) ÀÌÀü¿¡ Column SimulationÀ» ÇؾßÇϴµ¥ ±× ColumnÀÇ ±â´É(Column spec)¼³Á¤ÀÌ ¸ÕÀú ÀÌ·ç¾îÁ®¾ß ÇÕ´Ï´Ù.
Column SpecÀº Áõ·ùÁ¦Ç°ÀÇ ¼øµµ, °íºñÁ¡ ¹°ÁúÀÇ Çã¿ëÄ¡, Áõ·ùÁ¦Ç°ÀÇ Àüü ¼öÀ², Bottom¼ººÐÀÇ ¼øµµ, Bottom ¼öÀ², Bottom¼ººÐÁß ÀúºñÁ¡ Çã¿ë³óµµ, Áõ±â/¾×ÀÇ ºñ µîÀ» Á¤ÇÏ´Â ÀÏÀÔ´Ï´Ù. (ColumnÀÇ ÀÚÀ¯µµ¸¦ ³ÑÁö ¾Ê´Â ¼öÈ¿ÀÇ Spec ÁöÁ¤ ÇÊ¿ä)
¾Õ¼± Column SpecÀ» ¸ÂÃß±â À§ÇØ Reflux¸¦ ´ÃÀ̰ųª ÁÙÀÌ°í Column ´Ü¼ö¸¦ Á¶Á¤ÇØ¾ß Çϴµ¥ ½±°Ô ConvergedµÈ °á°ú¸¦ ¾ò±â ¾î·Á¿ï °æ¿ì óÀ½¿¡´Â Short-cut ColumnÀ¸·Î ¸ð»çÇÏ°í ³ªÁß¿¡ Rigorous ColumnÀ¸·Î °è»êÇÏ´Â ¹æ¹ýÀÌ ¼ö¿ùÇÕ´Ï´Ù.
±×¸®°í ³ª¼ Column SizingÀÌ ÇÊ¿äÇÕ´Ï´Ù. Column SizingÀº Çã¿ë Â÷¾Ð°ú Flooding PointµîÀ» ÁöÁ¤ÇØ ÁÖ¾î¾ß °¡´ÉÇÏ°í Rectifying Section°ú Stripping SectionÀÇ Vapor, Liquid Rate°¡ Å©°Ô Â÷À̳ª´Â °æ¿ì »ó, ÇϺΠÁ÷°æÀÌ ´Ù¸¥ ColumnÀÌ µÉ ¼ö ÀÖ½À´Ï´Ù. Side-CutÀÌ Æ÷ÇԵǰí Side Stripper°¡ Æ÷ÇԵǴ °æ¿ì¿¡´Â ´õ¿í´õ º¹ÀâÇÑ °è»êÀÌ µË´Ï´Ù.
µû¶ó¼ ´ëü·Î ´ÙÀ½ ¼ø¼·Î ÁøÇàÇÏ¸é µË´Ï´Ù. (1)Column Spec°áÁ¤ --> (2)Column Simulation (Reflux Ratio¿Í ´Ü¼ö ȤÀº Reboiler Duty °áÁ¤) --> (3)Diameter ¹× Height °áÁ¤ --(4) Column °¡°Ý ÃßÁ¤
Á÷Á¢ Simulator¿Í Rating ProgramÀ» Àß µ¹·Áº» ¿£Áö´Ï¾î¿Í ÇÔ²² ÇÒ ¼ö ¹Û¿¡ ¾ø½À´Ï´Ù. °æÇè¾øÀÌ È¥ÀÚ¼´Â ¹«¸®ÀÔ´Ï´Ù. ¼±¹è¿£Áö´Ï¾îÀÇ µµ¿òÀ» ¹Þµµ·Ï Çϼ¼¿ä.
Column Sizing(Rating) ÀÌÀü¿¡ Column SimulationÀ» ÇؾßÇϴµ¥ ±× ColumnÀÇ ±â´É(Column spec)¼³Á¤ÀÌ ¸ÕÀú ÀÌ·ç¾îÁ®¾ß ÇÕ´Ï´Ù. Column SpecÀº Áõ·ùÁ¦Ç°ÀÇ ¼øµµ, °íºñÁ¡ ¹°ÁúÀÇ Çã¿ëÄ¡, Áõ·ùÁ¦Ç°ÀÇ Àüü ¼öÀ², Bottom¼ººÐÀÇ ¼øµµ, Bottom ¼öÀ², Bottom¼ººÐÁß ÀúºñÁ¡ Çã¿ë³óµµ, Áõ±â/¾×ÀÇ ºñ µîÀ» Á¤ÇÏ´Â ÀÏÀÔ´Ï´Ù. (ColumnÀÇ ÀÚÀ¯µµ¸¦ ³ÑÁö ¾Ê´Â ¼öÈ¿ÀÇ Spec ÁöÁ¤ ÇÊ¿ä) ¾Õ¼± Column SpecÀ» ¸ÂÃß±â À§ÇØ Reflux¸¦ ´ÃÀ̰ųª ÁÙÀÌ°í Column ´Ü¼ö¸¦ Á¶Á¤ÇØ¾ß Çϴµ¥ ½±°Ô ConvergedµÈ °á°ú¸¦ ¾ò±â ¾î·Á¿ï °æ¿ì óÀ½¿¡´Â Short-cut ColumnÀ¸·Î ¸ð»çÇÏ°í ³ªÁß¿¡ Rigorous ColumnÀ¸·Î °è»êÇÏ´Â ¹æ¹ýÀÌ ¼ö¿ùÇÕ´Ï´Ù. ±×¸®°í ³ª¼ Column SizingÀÌ ÇÊ¿äÇÕ´Ï´Ù. Column SizingÀº Çã¿ë Â÷¾Ð°ú Flooding PointµîÀ» ÁöÁ¤ÇØ ÁÖ¾î¾ß °¡´ÉÇÏ°í Rectifying Section°ú Stripping SectionÀÇ Vapor, Liquid Rate°¡ Å©°Ô Â÷À̳ª´Â °æ¿ì »ó, ÇϺΠÁ÷°æÀÌ ´Ù¸¥ ColumnÀÌ µÉ ¼ö ÀÖ½À´Ï´Ù. Side-CutÀÌ Æ÷ÇԵǰí Side Stripper°¡ Æ÷ÇԵǴ °æ¿ì¿¡´Â ´õ¿í´õ º¹ÀâÇÑ °è»êÀÌ µË´Ï´Ù. µû¶ó¼ ´ëü·Î ´ÙÀ½ ¼ø¼·Î ÁøÇàÇÏ¸é µË´Ï´Ù. (1)Column Spec°áÁ¤ --> (2)Column Simulation (Reflux Ratio¿Í ´Ü¼ö ȤÀº Reboiler Duty °áÁ¤) --> (3)Diameter ¹× Height °áÁ¤ --(4) Column °¡°Ý ÃßÁ¤ Á÷Á¢ Simulator¿Í Rating ProgramÀ» Àß µ¹·Áº» ¿£Áö´Ï¾î¿Í ÇÔ²² ÇÒ ¼ö ¹Û¿¡ ¾ø½À´Ï´Ù. °æÇè¾øÀÌ È¥ÀÚ¼´Â ¹«¸®ÀÔ´Ï´Ù. ¼±¹è¿£Áö´Ï¾îÀÇ µµ¿òÀ» ¹Þµµ·Ï Çϼ¼¿ä.
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