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³í¹®¸í ¹ÝµµÃ¼ Ŭ¸°·ë ¿¬°£ ¿¡³ÊÁö Àý°¨À» À§ÇÑ ¿ÜÁ¶±â ±¸¼ºÀÇ Á¦¾È ¹× È¿°ú ºÐ¼® / The Proposal of an Outdoor Air-Conditioning System for a Semiconductor Manufacturing Cleanroom and Analysis of Its Energy Savings
ÀúÀÚ¸í Á¤¿ìÇö(Woo Hyun Jung) ; ¼ÛµÎ»ï(Doo Sam Song)
¹ßÇà»ç ´ëÇѼ³ºñ°øÇÐȸ
¼ö·Ï»çÇ× ¼³ºñ°øÇÐ³í¹®Áý, Vol.35 No.04 (2023-04)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(163) ÃÑÆäÀÌÁö(13)
ISSN 1229-6422
ÁÖÁ¦ºÐ·ù ȯ°æ¹×¼³ºñ
ÁÖÁ¦¾î ´Ü¿­°¡½À; ³Ã°¢¼ö Æó¿­; ¿¡³ÊÁö »ç¿ë·®; ¿ÜÁ¶±â; Áõ±â°¡½À ; Adiabatic Humidification; CoolingWater-WasteHeat; Energy Consumption; Outdoor Air Conditioner; Steam Humidification
¿ä¾à1 º» ¿¬±¸¿¡¼­´Â ´ëÇü ¹ÝµµÃ¼ »ý»ê °øÀåÀÇ °øÁ¶¿¡³ÊÁö Áß¿¡¼­ ¸¹Àº ¿¡³ÊÁö ¼Òºñ¸¦ À¯¹ßÇÏ´Â ¿ÜÁ¶±â¿¡ ´ëÇØ °¡¿­ ÄÚÀÏ, ³Ã°¢/Á¦½À ÄÚÀÏ, °¡½ÀÀåÄ¡ÀÇ ±¸¼º ¹× °¡¿­ ÄÚÀÏ¿¡ °ø±ÞµÇ´Â ¿­¿ø¿¡ º¯È­¸¦ ÁÖ¾úÀ» ¶§ ¿¬°£ ¿¡³ÊÁö »ç¿ë·® º¯È­ ¹× ¿¡³ÊÁö Àý°¨ °¡´É¼ºÀ» È®ÀÎÇϱâ À§ÇØ °ËÅ並 ÇÏ¿´´Ù. °ËÅä ÄÉÀ̽º´Â ±âÁ¸ ¿ÜÁ¶±â ±¸¼º(Case 1)¿¡ ´ëÇØ º» ¿¬±¸¿¡¼­ ¿¡³ÊÁö Àý°¨ ¹æ¾ÈÀ¸·Î Case 2, Case 3ÀÇ ¹æ¾ÈÀ» Á¦½Ã, °ËÅäÇÏ¿´´Ù. º» ¿¬±¸¸¦ ÅëÇØ µµÃâµÈ °á°ú´Â ´ÙÀ½°ú °°´Ù.
1) ±âÁ¸ÀÇ ´ëÇü ¹ÝµµÃ¼ Ŭ¸°·ë¿¡¼­ °¡Àå ¸¹ÀÌ Àû¿ëÇϰí ÀÖ´Â ¿ÜÁ¶±âÀÇ ±¸¼ºÀÎ Case 1Àº Áõ±â °¡½ÀÀåÄ¡¿Í WSS ´Ü¿­ °¡½ÀÀåÄ¡°¡ È¥ÇÕµÈ ¿ÜÁ¶±â·Î ±¸¼ºµÇ¾ú´Ù. ¿ÜÁ¶±â ³»ºÎ¿¡´Â 4°³ÀÇ °¡¿­ ÄÚÀÏ(PHC, 1-HC, 2-HC, RHC)°ú 2°³ÀÇ ³Ã°¢/Á¦½À ÄÚÀÏ(1-CC, 2-CC), 2°³ÀÇ °¡½ÀÀåÄ¡(WSS ´Ü¿­ °¡½À 87%, Áõ±â °¡½À 13%)·Î ±¸¼ºµÇ¾ú´Ù. °¡¿­ ÄÚÀÏ Áß PHC, 1-HC, RHCÀÇ °æ¿ì °¡¿­¿øÀ¸·Î´Â ³Ã°¢¼ö Æó¿­À» »ç¿ëÇϰí, 2-HCÀÇ °æ¿ì º¸ÀÏ·¯¿¡¼­ ¸¸µé¾îÁø Áõ±â¸¦ ¿­¿øÀ¸·Î »ç¿ëÇϰí ÀÖ´Ù. °¡½ÀÀåÄ¡ Áß ÇϳªÀÎ Áõ±â °¡½ÀÀåÄ¡µµ º¸ÀÏ·¯¿¡¼­ ¸¸µé¾îÁø Áõ±â ¿­¿øÀ» »ç¿ëÇϰí ÀÖ¾î ºÐ¼®ÇÑ ÄÉÀ̽º Áß¿¡¼­ ¿¡³ÊÁö »ç¿ë·®ÀÌ °¡Àå ³ô°Ô ³ªÅ¸³µ´Ù.
2) Case 2´Â Áõ±â °¡½ÀÀåÄ¡¸¦ Á¦°ÅÇϰí WSS ´Ü¿­ °¡½ÀÀåÄ¡¸¦ 1´ÜÀ¸·Î ±¸¼ºÇÏ¿´´Ù. ¿ÜÁ¶±â ³»ºÎ¿¡´Â 4°³ÀÇ °¡¿­ ÄÚÀÏ(PHC, 1-HC, 2-HC, RHC)°ú 2°³ÀÇ ³Ã°¢/Á¦½À ÄÚÀÏ(1-CC, 2-CC), 1°³ÀÇ °¡½ÀÀåÄ¡(WSS ´Ü¿­ °¡½À 100%)·Î ±¸¼ºµÇ¾ú´Ù. °¡¿­ ÄÚÀÏ Áß PHC, 1-HC, RHCÀÇ °æ¿ì °¡¿­¿øÀ¸·Î ³Ã°¢¼ö Æó¿­À» »ç¿ëÇϰí, 2HCÀÇ °æ¿ì º¸ÀÏ·¯¿¡¼­ ¸¸µé¾îÁø Áõ±â¸¦ ¿­¿øÀ¸·Î »ç¿ëÇϰí ÀÖ´Ù. Case 1°ú ºñ±³ÇÒ ¶§, Áõ±â °¡½ÀÀåÄ¡¸¦ Á¦°ÅÇÏ¿© Áõ±â °¡½À ºÎÇÏ·Î ÀÎÇÑ º¸ÀÏ·¯ ¿¡³ÊÁö »ç¿ë·®Àº ÁÙ¾ú´Ù. ÇÏÁö¸¸ WSS ´Ü¿­ °¡½ÀÀåÄ¡¸¦ 100% ¼³°è Á¶°ÇÀ¸·Î º¯°æµÇ¾î 2-HCÀÇ °¡¿­ ºÎÇÏ´Â ÀϺΠÁõ°¡ÇÏ°Ô µÇ¾ú´Ù. Àüü ¿¡³ÊÁö »ç¿ë·®Àº Case 1 ´ëºñ ¾à 11.3% Á¤µµ Àý°¨ÇÒ ¼ö ÀÖ´Â °ÍÀ¸·Î È®ÀεǾú´Ù.
3) Case 3Àº Áõ±â °¡½ÀÀåÄ¡¸¦ Á¦°ÅÇϰí WSS ´Ü¿­ °¡½ÀÀåÄ¡¸¦ 2´ÜÀ¸·Î ±¸¼ºÇÏ¿´´Ù. ¿ÜÁ¶±â ³»ºÎ¿¡´Â 4°³ÀÇ °¡¿­ ÄÚÀÏ(PHC, 1-HC, 1¡¯-HC, RHC)°ú 2°³ÀÇ ³Ã°¢/Á¦½ÀÄÚÀÏ(1-CC, 2-CC), 2°³ÀÇ °¡½ÀÀåÄ¡(1-WSS 50%, 2-WSS 50%)·Î ±¸¼ºµÇ¾ú´Ù. °¡¿­ ÄÚÀÏ¿¡´Â ÀüºÎ ³Ã°¢¼ö Æó¿­À» °¡¿­¿øÀ¸·Î »ç¿ëÇϰí ÀÖ´Ù. °¡½ÀÀåÄ¡´Â Áõ±â °¡½ÀÀåÄ¡¸¦ Á¦°ÅÇϰí, WSS ´Ü¿­ °¡½ÀÀåÄ¡¸¦ 2´ÜÀ¸·Î ¹èÄ¡ÇÏ¿´´Ù. WSS ´Ü¿­ °¡½ÀÀåÄ¡¸¦ 1´ÜÀ¸·Î ¹èÄ¡ÇÏ°Ô µÇ¸é °¡½À È¿À²À» ³ôÀ̱â À§ÇØ WSS Àü´ÜÀÇ °ø±â ¿Âµµ¸¦ Å©°Ô ³ô¿©¾ß Çϳª, WSS ´Ü¿­ °¡½ÀÀåÄ¡¸¦ 2´ÜÀ¸·Î ¹èÄ¡ÇÏ°Ô µÇ¸é »ó´ëÀûÀ¸·Î ³·Àº ¿Âµµ·Î °¡½ÀÇÒ ¼ö ÀÖ´Ù. µû¶ó¼­ °ø±â ¿Âµµ¸¦ ¿Ã¸®´Â µ¥ ÇÊ¿äÇÑ °¡¿­ ÄÚÀÏÀÇ ¿­¿øÀ» º¸ÀÏ·¯¿¡¼­ ¹ß»ýÇÑ Áõ±â ¿­¿ø¿¡¼­ ³Ã°¢¼ö Æó¿­·Î º¯È¯½Ãų ¼ö ÀÖ´Ù. Àüü ¿¡³ÊÁö »ç¿ë·®Àº Case 1 ´ëºñ ¾à 24.6% Á¤µµ Àý°¨ÇÒ ¼ö ÀÖ´Â °ÍÀ¸·Î È®ÀεǾú´Ù.
4) º°µµ È¿°ú·Î »êÁ¤ÇÏÁö´Â ¾Ê¾ÒÁö¸¸ µ¿Àý±â ¹ÝµµÃ¼ °øÀå ÁÖº¯¿¡¼­ ÀÚÁÖ ¹ß»ýÇÏ´Â ³Ã°¢Å¾ ¹é¿¬ÀÇ °æ¿ì, ³Ã°¢¼ö Æó¿­À» °øÁ¤¿¡ Àû±ØÀûÀ¸·Î Ȱ¿ëÇÏ¿© ³Ã°¢Å¾ ¹é¿¬À» °¨¼Ò½Ãų ¼ö ÀÖ°í, µ¿Àý±â ³Ã°¢Å¾¿¡¼­ »ç¿ëÇÏ´Â Àü·Â ¿ª½Ã °¨¼ÒÇÒ °ÍÀ¸·Î ±â´ëÇÒ ¼ö ÀÖ´Ù. ¶ÇÇÑ, °øÀå ºÎÁö ³» º¸ÀÏ·¯ ¿¡³ÊÁö »ç¿ë·® °¨¼Ò´Â »ç¾÷Àå¿¡¼­ Á÷Á¢ ¿¬¼Ò¸¦ ÅëÇØ ¹ß»ýÇÏ´Â Á÷Á¢ÀûÀΠź¼Ò ¹èÃâÀ» ÁÙÀÓÀ¸·Î½á ź¼Ò Á߸³ ¸ñÇ¥ÀÇ ´Þ¼º¿¡ È¿°úÀûÀÏ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
¿ä¾à2 The purpose of this study is to propose an outdoor air conditioner configuration that combines adiabatic humidification and cooling water waste heat and review the potential for reduction in annual energy savings of outdoor air conditioners in semiconductor cleanrooms. Case 1 was an outdoor air conditioner that combined steam humidification with adiabatic humidification. Case 2 removed the steam humidification and applied only the adiabatic humidification. Case 3 was an outdoor air conditioner designed under the condition that steam humidification was eliminated, adiabatic humidification was applied in two stages, and the cooling water waste heat source supplied to the heating coil was used instead of the steam heat source. As a result of the analysis, in case of Case 2, energy consumption was reduced by about 11.3% compared to Case 1, and in case of Case 3, it was confirmed that about 24.6% of energy saving was possible as compared to Case 1. It was confirmed that a lot of energy used by the outdoor air conditioner can be saved by configuring the adiabatic humidification and the outdoor air conditioner using the waste heat of the cooling water.
¼ÒÀåó ´ëÇѼ³ºñ°øÇÐȸ
¾ð¾î Çѱ¹¾î
DOI https://doi.org/10.6110/KJACR.2023.35.4.163
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