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[±Û·Î¹úÀ̽´±â¼ú] ¡®ÅÊÅ© ¾ø´Â DI ¿öÅÍ È÷ÅÍÀåÄ¡¡¯ ½Å±â¼ú °³¹ß
À̸§ °ü¸®ÀÚ waterindustry@hanmail.net ÀÛ¼ºÀÏ 2017.07.05 Á¶È¸¼ö 843
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Global Issue Technology


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¡®ÅÊÅ© ¾ø´Â DI ¿öÅÍ È÷ÅÍÀåÄ¡¡¯ ½Å±â¼ú °³¹ß

 

»ê¾÷°è Ç÷£Æ®¿¡¼­ °ü¸®ÀÚµéÀº ¹°À̳ª Æó¼ö¸¦ °ü¸®, È÷ÆÃ(heating) ¹× ó¸®ÇÏ´Â µ¥ ÀÖ¾î º¹ÀâÇÏÁö¸¸ ±â´ÉÀûÀÎ Àåºñ¸¦ ÇÊ¿ä·Î ÇÑ´Ù. ÁÖ·Î °øÁ¶ ¼³ºñ, ±¸Á¶¹°, È÷ÅÍ ¹× º¸ÀÏ·¯ µî ¸ðµç ÀåÄ¡¿¡ ÀÌ·¯ÇÑ »ç½ÇÀÌ Àû¿ëµÈ´Ù. µû¶ó¼­ ÃæºÐÈ÷ »ó¾÷È­µÇÁö ¾ÊÀº ÀåÄ¡µéÀº »ê¾÷°èÀÇ Áö³ªÄ£ ¿ä±¸ Á¶°Ç¿¡¼­ »ì¾Æ³²À» ¼ö ¾ø´Ù. ÀÌ¿¡ ÀüÀÚÁ¦Ç° Á¦Á¶¿ëÀ¸·Î, ÀǾàÇ° ¿ëÇØ¿ëÀ¸·Î ȤÀº ¼¤Çª¡¤È­ÀåÇ° ¿ø·á µîÀ¸·Î ¡®DI ¿öÅÍ(deionized water)¡¯¸¦ »ç¿ëÇÏ´Â ¸¹Àº »ê¾÷ü ºÐ¾ß¿¡¼­ÀÇ »õ·Î¿î ±â¼ú°³¹ßÀ» ¼Ò°³ÇÏ·Á ÇÑ´Ù. ÀÎÅÚ¸®ÇÖ ±×¸° Å×Å©³î·ÎÁö½º(Intellihot Green Technologies)»çÀÇ Á¦À̽¼ ½º¹Ì½º(Jason Smith)¿Í ¹ß·¹¸® µ¥À̺꽺(Valerie Daves)°¡ ¡®´ÙÀ½ ¼¼´ë DI ¿öÅÍ ¹«ÅÊÅ© È÷ÅÍ¡¯¸¦ ÁÖÁ¦·Î ¡ºWater Technology¡» 2017³â 3¿ùÈ£¿¡ ±â°íÇß´Ù. ±× ³»¿ëÀ» ¹ø¿ªÇß´Ù. 

[ÀÚ·áÁ¦°ø¡¤¹ø¿ª = ±è´ö¿¬ º»Áö ÆíÁýÀ§¿ø]


DI ¿öÅÍÀÇ ¼Ò°³(Deionized Water)


¡®DI ¿öÅÍ(deionized water)¡¯´Â ±ÛÀÚ ±×´ë·Î ¸ðµç À̿¹°ÁúÀÌ Á¦°ÅµÈ ¹°À» ¸»ÇÑ´Ù. ÀÌ¿ÂÀº ¹°¼Ó¿¡¼­ ÀüÇϸ¦ Áö´Ñ ¿øÀÚ ¶Ç´Â ºÐÀÚ ¹°Áú·Î Á¸ÀçÇÏ¸ç ¾ç±Ø ȤÀº À½±Ø Ư¼ºÀ» °®´Â´Ù. ¾çÀÌ¿Â(cations)Àº ¾ç±Ø ÀüÇϹ°ÁúÀ» °¡Áø ÀÌ¿ÂÀ̸ç, À½ÀÌ¿Â(anions)Àº À½±Ø ÀüÇϹ°ÁúÀ» °¡Áø ÀÌ¿ÂÀÌ´Ù. ¹°¼Ó¿¡¼­ ÀÌ·¯ÇÑ ÀÌ¿Â ¹°ÁúÀÇ ÇÔÀ¯ºñÀ²¿¡ µû¶ó ¹°À̳ª ¿ë¾×ÀÌ »ê¼ºÀÎÁö ¾ËÄ®¸®¼ºÀÎÁö °áÁ¤µÈ´Ù.

¸¹Àº »ê¾÷°è Á¦Á¶ °øÁ¤¿¡¼­ ¸°½º¼¼Ã´¿ë ȤÀº È¥ÇÕ¹° ¿ëµµ·Î À̿¹°ÁúÀÌ ºÐ¸®µÈ ¼ø¼öÇÑ ¹°À» »ç¿ëÇØ¾ß Çϸç, ¹°¼ÓÀÇ À̿¹°ÁúÀ» Á¦°ÅÇϱâ À§Çؼ­´Â DI ¿öÅÍ°¡ ÇÊ¿äÇÏ´Ù. ÀÌ·¯ÇÑ À̿¹°ÁúÀº ÇØ´ç °øÁ¤¿¡¼­ ºÒ¼ø¹°·Î ºÐ·ùµÇ¸ç °øÁ¤ÀÇ ¿ªÇÒ ±â´ÉÀ» Çϱâ À§ÇÏ¿© »çÀü¿¡ Á¦°ÅµÇ¾î¾ß ÇÑ´Ù.


   
¡ã ³óÃà¼ö ¹× ¹è¿¬°¡½º°¡ °°Àº ¹æÇâÀ¸·Î Èê·¯ ÀÜ·ù¹°ÁúÀ» ¾ø¾Ö°í ºÎ½ÄÀ» ¹æÁöÇÔÀ¸·Î½á ¿­±³È¯±â ÀåÄ¡´Â ÀÚüÀûÀ¸·Î ½ºÄÉÀÏÀ» Á¦°ÅÇÑ´Ù. »çÁøÀº Äø®°Ç ½Ã¼³¿¡ ¼³Ä¡µÈ µÎ °³ÀÇ DI ¿öÅÍ È÷ÅÍ ÀåÄ¡.

DI(deionization) ÀåÄ¡´Â À̿±³È¯ °øÁ¤À» ÅëÇÏ¿© ÀÌ·¯ÇÑ À̿¹°ÁúÀÇ ¾çÀ» ¸Å¿ì ³·Àº ¼öÁØÀ¸·Î Àý°¨ÇÏ´Â ÀåÄ¡ÀÌ´Ù. ¹°¼Ó ¾ç±Ø ÀüÇÏ ¼ºÁúÀÇ ¾çÀÌ¿ÂÀº ¾çÀÌ¿Â ±³È¯ ¼öÁö¿¡ ÀÇÇÏ¿© Á¦°ÅµÇ¸ç ³ªÆ®·ý, Ä®½·, ¸¶±×³×½· ¹× ±âŸ ¾çÀÌ¿Â ¹°ÁúÀ» ¼ö¼ÒÀÌ¿Â(hydrogen ions, H+)À¸·Î º¯È¯½ÃŲ´Ù. ÀÌ·¯ÇÑ º¯È­·Î »ý¼ºµÇ´Â »ê¼º ¹°ÁúÀº À½ÀÌ¿Â ±³È¯¼öÁö ÀÛ¿ëÀ¸·Î Áß¼ºÈ­µÈ´Ù. 


ÀÌ¿Â Á¦°Å¿ëÀ¸·Î »ç¿ëµÇ´Â µÎ °¡Áö ÇüÅÂÀÇ À½ÀÌ¿Â ±³È¯ ¼öÁö´Â ¾à¿°±â¼º¼öÁö(weak base resin) ¹× °­¿°±â¼º¼öÁö(strong base resin)°¡ ÀÖ´Ù. ¾à¿°±â¼º¼öÁö°¡ °­»ê¼º ¹°ÁúÀ» Èí¼öÇÏ´Â ¹Ý¸é, °­¿°±â¼º¼öÁö´Â ¿°»ê, Ȳ»ê ¹× ¾ËÄ®¸®ÀÌ¿Â ¹°ÁúÀ» ¼ö»ê±âÀÌ¿Â(hydroxide ions, OH-)À¸·Î º¯È¯½ÃŲ´Ù. ¾çÀÌ¿Â ±³È¯ °øÁ¤¿¡¼­ÀÇ ¼ö¼ÒÀÌ¿ÂÀº À½ÀÌ¿Â ±³È¯ °øÁ¤¿¡¼­ÀÇ ¼ö»ê±âÀ̿°ú °áÇÕÇÏ¿© ¹°(HOH ȤÀº H2O)ÀÌ Çü¼ºµÈ´Ù. Áï °øÁ¤ÀÇ ¸¶Áö¸· ´Ü°è¿¡¼­ ¿À¿°¹°Áú ¹× ´Ù¼öÀÇ ¿ëÁ¸¼º °íÇü¹°ÁúÀÌ Á¦°ÅµÈ ¼ø¼öÇÑ ¹°À» ¾òÀ» ¼ö ÀÖ´Ù.

ÀÌ·¯ÇÑ °úÁ¤À» °ÅÃÄ ÀÌ¿ÂÀÌ Á¦°ÅµÈ ¹°ÀÌ ¹°¼øȯ ¹è°üÀ̳ª È÷Æà °úÁ¤¿¡¼­ ¹®Á¦°¡ µÇÁö ¾Ê´Â´Ù°í °¡Á¤ÇÏ´Â °ÍÀº À߸øµÇ¾úÀ¸¸ç ½ÇÁ¦·Î ±× ¹Ý´ëÀÇ °¡Á¤ÀÌ Áø½ÇÀÌ µÉ ¼ö ÀÖ´Ù. Áï, ÀÌ¿ÂÈ­ °úÁ¤À¸·Î »ý»êµÈ ¹°Àº ÁÖº¯ ÀåÄ¡µé(¹è°üÀç, ¹ëºê, ³­¹æ±â µî)°úÀÇ ¹ÝÀÀÀ¸·Î ½É°¢ÇÑ ¹®Á¦¸¦ ÀÏÀ¸Å³ ¼ö ÀÖÀ¸¸ç, ÀÌ¿ÂÀÌ Á¦°ÅµÈ ¹°¿¡¼­ ƯÁ¤ ÀÌ¿ÂÀÇ °áÇÌÀº ±Ý¼Ó¼º ¹°Áú¿¡ ºÎ½ÄÀ» ¹ß»ý½Ãų ¼ö ÀÖ´Ù.

¿ª»ïÅõ(RO)¸¦ ÀÌ¿ëÇÑ ±â¼úÀº ¹°¼Ó¿¡¼­ ¿À¿°¹°À» Á¦°ÅÇÏ´Â °üÁ¡¿¡¼­ À̿±³È¯ ¼öÁö¿¡ ÀÇÇÑ ÀÌ¿ÂÁ¦°Å °øÁ¤°ú À¯»çÇÏ´Ù. RO °øÁ¤¿¡¼­´Â ¹ÝÅõ¸· ¸âºê·¹ÀÎ ¾ç´Ü¿¡ ºÎ°úµÇ´Â ¾Ð·Â¿¡ ÀÇÇÏ¿© ¹°À» ¹Ð¾î³»´Â ÀÛ¿ëÀ¸·Î ¹°¼Ó ´ëºÎºÐÀÇ ¿À¿°¹°ÁúÀÌ Á¦°ÅµÈ´Ù.

Áï, ¹°¼Ó¿¡ ÇÔÀ¯µÈ ¿ëÁ¸¼º À̿¹°Áú, ÀÔÀÚ¹°Áú, ÄÝ·ÎÀÌµå ¹°Áú, À¯±â¹°Áú, ¹ÚÅ׸®¾Æ ¹× ¹ß¿­¹°Áú µî 99£¥ ÀÌ»óÀÇ ´ëºÎºÐÀÇ ¹°ÁúÀÌ Á¦°ÅµÈ´Ù. ±×·¯³ª À̿±³È¯ ¼öÁö¿¡ ÀÇÇÑ DI ¿öÅÍ¿Í ¸¶Âù°¡Áö·Î RO »ý»ê¼ö ¿ª½Ã ¹ÝÀÀ¼ºÀÌ ¸Å¿ì ³ôÀ¸¸ç ¹°À» À̼ÛÇÏ°í È÷ÆÃÇÏ´Â ÀåÄ¡µé¿¡ À¯»çÇÑ ¹®Á¦¸¦ ÀÏÀ¸Å³ ¼ö ÀÖ´Ù.

DI ¿öÅÍ ¹× RO »ý»ê¼öÀÇ ÀÌ·¯ÇÑ Æó´ÜÀ» Á¶ÀýÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀ¸·Î ³»±¸¼º ÀçÁú·Î ¸¸µé¾îÁø Ưº°ÇÑ ÀåÄ¡ÀÇ »ç¿ëÀÌ ÇØ°áÃ¥ÀÌ µÉ ¼ö ÀÖ´Ù. ÁÖ°Å¿ë, »ç¹«½Ç¿ë, »ó¾÷¿ë ¹× °ø¾÷¿ë ¼öó¸® ºÐ¾ßÀÇ ¼¼°èÀûÀÎ ¼±µµ±â¾÷ÀÎ Äø®°Ç(www.culligan.com)ÀÌ °³¹ßÇÑ °¡½º ¿¬¼Ò½Ä ÀÌ¿Â Á¦°Å È÷ÅÍÀåÄ¡´Â Á¼Àº °ø°£¿¡ ¼³Ä¡ °¡´ÉÇÏ°í ÅÊÅ©°¡ ºÒÇÊ¿äÇÑ È÷ÅÍÀåÄ¡·Î, »ê¾÷°èÀÇ ¸¶°¨Ã³¸® ¹× ¼¼Ã´°øÁ¤, ÀüÀÚºÎÇ° Á¦Á¶, ½ÄÇ°°¡°ø, ¼öÁúÁ¤È­, Ç×°ø°úÇÐ, È­ÀåÇ°, Á¦¾à, À¯¸®°¡°ø »ê¾÷ µî ´Ù¾çÇÑ ºÐ¾ß¿¡¼­ È¿°úÀûÀ̸ç ÀÏÁ¤ÇÑ ¼º´ÉÀ» Á¦°øÇϱâ À§ÇØ Á¦À۵Ǿú´Ù. 


As the name implies, deionized water is water with all the ions removed. Ions are electrically charged atoms or molecules found in water that have either a positive or negative charge.

Cations are the ions that have a positive charge, and anions are the ions with a negative charge. The ratio of these ions in the water can affect whether the water or solution is acidic or basic. Many industrial processes need to create deionized water to rid it of these ions, especially processes that use this water as a rinse or ingredient in a more complex chemical system. The ions are labeled as impurities and need to be removed from the water for the process to function as intended.

Deionization can reduce the amounts of these ions to very low levels through the ion exchange process. Positively charged cations are removed by cation exchange resin. It replaces sodium, calcium, magnesium and other cations with hydrogen ions (H+). This exchange produces acids, which must be removed or neutralized by anion exchange resin. Two general types of anion resin are used for deionization: weak base resin and strong base resin.

Weak base resin adsorbs strong acids, while strong base resin exchanges chloride, sulfate and alkaline anions for hydroxide ions (OH-). The hydrogen ions from the cation exchange process combine with the hydroxide ions from the anion exchange process to form water (HOH or H2O). At the end of the process, this water is free from impurities and many dissolved solids, also known as total dissolved solids, that are present in standard tap water.

Assuming a lack of impurities in water indicates that deionized water presents no issues in delivery or heating is a common misunderstanding. However, the opposite is actually true. This type of water tends to be more severe in regards to the make-up water? reaction to materials (such as piping, valves and heaters) because of the process of deionization. The lack of certain ions in the deionized water can make the water extremely corrosive to many metals or materials.

The reverse osmosis (RO) process is similar to the deionization process because it removes contaminants from water. However, RO removes a majority of contaminants from water by pushing the water under pressure through a semipermeable membrane. RO is capable of removing up to 99 percent of the dissolved salts (ions), particles, colloids, organics, bacteria and pyrogens from water. Similar to deionized water, RO water is highly reactive and can cause similar problems for the equipment that heats and transports the water.

Only specific equipment that is designed with durable materials can handle the rigors of deionized and RO water. A gas-fired, deionized, on-demand water heater with capacities up to 251,000 British thermal units per hour (BTU/hr) can be installed in small spaces. This tankless water heater type is built to deliver efficient, consistent performance in diverse applications like industrial finishing and cleaning, electronic parts fabrications, food processing, water purification, aerospace, cosmetics, pharmaceuticals, and glass industries. It also can be installed in processes and applications that use water treated by RO.

Äø®°Ç»çÀÇ Ãʱ⠰ËÅä ¹× °úÁ¦
(Case study & The challenge)


   
¡ã ¹Ì±¹ Àϸ®³ëÀÌ(Illinois)ÁÖ ·ÎÁî¸óÆ®(Rosemont)¿¡ ¼ÒÀçÇÑ Äø®°Ç(Culligan)»ç´Â Áְſ롤»ó¾÷¿ë ¼ö¿ä¸¦ À§ÇÑ ÇÊÅ͸µ ½Ã½ºÅÛ ¹× À½¿ë¼ö ½Ã½ºÅÛ ºÐ¾ß¿¡ Àü¹®È­µÈ ±¹Á¦ÀûÀÎ ¼öó¸® ȸ»çÀÌ´Ù. »çÁøÀº Äø®°Ç º»»ç Àü°æ.

 

¹Ì±¹ Àϸ®³ëÀÌ(Illinois)ÁÖ ·ÎÁî¸óÆ®(Rosemont)¿¡ ¼ÒÀçÇÑ Äø®°Ç(Culligan)»ç´Â Áְſ롤»ó¾÷¿ë ¼ö¿ä¸¦ À§ÇÑ ÇÊÅ͸µ ½Ã½ºÅÛ ¹× À½¿ë¼ö ½Ã½ºÅÛ ºÐ¾ß¿¡ Àü¹®È­µÈ ±¹Á¦Àû ¼öó¸® ȸ»çÀÌ´Ù. ¹Ì±¹°ú ij³ª´Ù¿¡¼­ 600°³ ÀÌ»óÀÇ µô·¯(dealer)¸¦ ¿î¿µÇÏ°í ÀÖÀ¸¸ç, Àü ¼¼°è 90°³ ÀÌ»ó ±¹°¡¿¡ Á¦Ç°À» ÆǸÅÇÏ°í ÀÖ´Ù. 1936³â¿¡ ¼³¸³µÈ ÈÄ, ¡°Call your Culligan Man¡±À̶ó´Â ½½·Î°ÇÀ¸·Î Äø®°Ç ºê·£µå°¡ Àß ¾Ë·ÁÁö°Ô µÇ¾ú´Ù.

Äø®°Ç»ç´Â 2015³â ¹Ì±¹ Àεð¾Ö³ªÁÖÀÇ ÁÖµµÀÎ Àεð¾Ö³ªÆú¸®½º¿¡ 2¸¸5õft©÷(Á¦°öÇÇÆ®) ±Ô¸ðÀÇ ¼öó¸® ÀåÄ¡¸¦ ¼³Ä¡ÇÏ¿´À¸¸ç, ¹° ÀúÀåÁ¶ÀÇ ¼¼Ã´ °øÁ¤¿¡ »ç¿ëµÇ´Â ¸Å¿ì ¸¹Àº DI ¿öÅÍ ¼ö¿ä¿¡ ´ëÀÀÇϱâ À§ÇÏ¿© ³»±¸¼º ÀçÁúÀ» °¡Áø ÀåÄ¡ÀÇ ¼³Ä¡°¡ ÇÊ¿äÇß´Ù.

Ãʱ⿡´Â ¸Å¿ì Á¦ÇÑµÈ °ø°£ ³»¿¡¼­ »ê¾÷üÀÇ ¿ä±¸¸¦ ¸¸Á·ÇÏ´Â DI ¿öÅÍÀÇ È¿°úÀû È÷ÆÃÀÌ ¿ä±¸µÇ¾ú´Âµ¥, DI ¿öÅÍÀÇ ¸¹Àº ¹°·® ¹× ºÎ½ÄÀÇ ¹®Á¦Á¡À¸·Î ÀÎÇÏ¿© ÀÌ´Â ½¬¿î °áÁ¤ÀÌ ¾Æ´Ï¾ú´Ù. ÀϹÝÀûÀ¸·Î È÷ÅÍ¿¡ »ç¿ëµÇ´Â ¿­±³È¯±â´Â »ê¾÷üÀÇ ¿ä±¸ ¼öÁØÀ» ÃæÁ·½Ãų ¸¸ÇÑ °ÍÀº ¾Æ´Ï¾ú´Ù.

Äø®°Ç ÇöÀå¿¡¼­ÀÇ ÇÙ½É ÀÓ¹«´Â ¼³Ä¡°ø°£À» ÁÙÀÏ ¼ö ÀÖ´Â ÀûÀýÇÑ ¼³°è¿Í ³ôÀº ¼öÁØÀÇ ¼¼Ã´ Á¶°Ç¿¡ ºÎÇյǵµ·Ï DI ¿öÅ͸¦ È÷ÆÃÇÏ´Â ¼º´ÉÀ» °®Ãß´Â °ÍÀ̾ú´Ù. °á±¹ »ý»êÃâ·ÂÀº ÃÖ´ë·Î Çϸ鼭 ¼³Ä¡ ºÎÁö¸¦ ÀÛ°Ô ÇÏ´Â ÇØ°áÃ¥À» ã¾Æ¾ß Çß´Ù.


Culligan is an international water treatment company specializing in water filtration systems and bottled water for residential and office applications. The company currently has more than 600 dealers in the U.S. and Canada and sells its products in more than 90 countries. Since it was founded in 1936, the brand has become well-known because of its slogan, ¡°Call your Culligan man.¡±


Culligan built a new, 25,000-square-foot water treatment plant in Indianapolis. During construction planning in 2015, the managers needed durable equipment that could keep up with the plant¡¯s high demand for deionized water for use in its water bottle cleaning process. The process needed an efficient way to heat deionized water at an industrial level that also had a small footprint for the installed equipment. With the demands and corrosion problems deionized water can present, this was not an easy decision. Many water heaters use heat exchangers that can fail and that are not engineered to withstand the demands of industrial applications.

The daily obligations for this Culligan facility included the heating of deionized water for heavy-duty cleaning demands while maintaining a small footprint to save valuable floor space. The property was looking for a small solution with a large output.


Äø®°Ç»çÀÇ ÇØ°á¹æ¾È(The solution)


¼¼Ã´ °úÁ¤ Áß DI ¿öÅÍ°¡ Áï½Ã È÷Æõǵµ·Ï 2±âÀÇ È÷ÅÍÀåÄ¡¸¦ ÇÑ ½ÖÀ¸·Î ¹è¿­ÇØ Á÷·Ä·Î ¼³Ä¡ÇÏ¿´À¸¸ç SS(stainless-steel)ÀçÁúÀÇ ¿­±³È¯±â´Â È÷ÆÃµÈ DI ¿öÅÍÀÇ ÀÏÀÏ ¼ö¿ä·®À» ¸ÂÃâ ¼ö ÀÖµµ·Ï ÁغñµÇ¾ú´Ù. ¶ÇÇÑ º®¸é¿¡ ºÎÂøÇÒ ¼ö ÀÖ´Â ±¸Á¶·Î ¼³°èÇÏ¿© ¼Ò±Ô¸ð ¼³Ä¡¸éÀû ¿ä±¸¿¡ ´ëÀÀÇÏ¿´´Ù.

±×·¯³ª ÀúÀåÁ¶ ÅÊÅ©ÀÇ Áغñ´Â Ç÷£Æ®ÀÇ ºñ¿ë Áõ°¡·Î À̾îÁú ¼ö ÀÖ´Â »óȲÀ̾ú´Ù. ÀÌ¿¡ Äø®°Ç»ç´Â DI ¿öÅÍ ¹«(Ùí)ÅÊÅ©(deionized tankless) È÷Æà ½Ã½ºÅÛ ¼³Ä¡¿¡ ´ëÇØ °áÁ¤ÇÒ ¶§, DI ¿öÅÍ È÷Æÿ¡ SSÀçÁúÀÇ È÷ÅÍ ÀåÄ¡¸¦ °ËÅäÇÑ °á°ú ¼ö¿ä¿¡ ÀûÇÕÇÑ È÷Æà ´É·ÂÀ» º¸À¯ÇÏ°í ÀÖÀ¸¸ç ÀÛÀº ºÎÁö¸éÀûÀÌ ¼Ò¿äµÊÀ» ¾Ë°í 2´ë¸¦ ¼³Ä¡Çß´Ù.

À̿ºи® ÀåÄ¡´Â Ä¿´Ù¶õ ºÒ·® ¾øÀÌ °í¿ÂÀÇ ÀÏÁ¤ÇÑ ¿ä±¸Á¶°Ç¿¡ ÀûÇÕÇÏ´Ù. °¢ ¸ðµ¨Àº »ó¾÷¿ë ¸ðµ¨ÀÇ ¿­±³È¯±â°¡ »ç¿ëµÇ´Âµ¥ ÀÌ´Â 316L ÄÚÀÏ·Î, À¯·®º¯È­¿¡ ½Å¼ÓÈ÷ ´ëÀÀ°¡´ÉÇÏ¸ç ¿­¿¡ ÀÇÇÑ Ãæ°Ý¿¡ ÀúÇ×·ÂÀÌ ÀÖ´Ù. ÇÑÆí, °íÁ¤µÇÁö ¾ÊÀº ÄÚÀÏÀº °¡È¤ÇÑ ¿îÀüÁ¶°Ç¿¡¼­µµ ź·Â¼ºÀ» °¡Áö¸ç À£µù(welding) °¡°øÀÌ ¾øÀ¸¹Ç·Î ºÎ½Ä¿¡ ÀÇÇÑ Å©·¡Å·(cracking) ¹®Á¦°¡ ¹ß»ýÇÏÁö ¾Ê´Â´Ù. ³óÃà¼ö ¹× ¹è¿¬°¡½º°¡ °°Àº ¹æÇâÀ¸·Î Èê·¯ ÀÜ·ù¹°ÁúÀ» ¾ø¾Ö°í ºÎ½ÄÀ» ¹æÁöÇÔÀ¸·Î½á ¿­±³È¯±â ÀåÄ¡´Â ÀÚüÀûÀ¸·Î ½ºÄÉÀÏÀ» Á¦°ÅÇÏ´Â ±â´ÉÀ» ÇÑ´Ù.


 
¡ã Äø®°Ç»ç°¡ °³¹ßÇÏ¿© ÆǸÅÇÏ°í ÀÖ´Â ¿ª»ïÅõ(RO) DI ¿öÅÍ ½Ã½ºÅÛ.

 ¶ÇÇÑ ÀÌ ÀåÄ¡´Â ºÒ·® ¹ß»ýÀÇ À§ÇèÀ» ÇؼҽÃÄÑÁִ ij½ºÄÉÀ̵å ÄÁÆ®·Ñ(cascade control) ±â´ÉÀÌ ÀÖ´Ù. µû¶ó¼­ ÀÌ·¯ÇÑ ¼³°è ´öºÐ¿¡ 250¸¸BTU/½Ã°£ ¿ë·®À» À§ÇÏ¿© 10±â ÀÌ»óÀÇ ÀåÄ¡¸¦ µ¿½Ã¿¡ Á÷·Ä ij½ºÄÉÀÌµå ¹èÄ¡ÇÒ ¼ö ÀÖ´Ù. °¢°¢ÀÇ ÀåÄ¡´Â µ¶ÀÚÀûÀ¸·Î ¿î¿µ °¡´ÉÇÑ ³»ºÎ ·ÎÁ÷ȸ·Î°¡ ±¸ºñµÇ¾î ÀÖ¾î ¼ö½Ã·Î Á¡°ËÇϰųª ¼­ºñ½º ÇÊ¿ä ½Ã À¯¿¬ÇÏ°Ô ÀÛµ¿µÈ´Ù. ÀÌ·¯ÇÑ ÃÑüÀûÀÎ ¼³°è·Î Äø®°Ç Ç÷£Æ®´Â °©ÀÛ½º·± Áß´Ü ¾øÀÌ ¿îÀü °¡´ÉÇÏ¸ç ºñ»ó¿ë È÷Å͸¦ º°µµ·Î ÁغñÇÒ ÇÊ¿ä°¡ ¾ø´Ù. 


ÀÌ·¯ÇÑ À¯Áö±â´ÉÀÇ ¼³ºñ·Î Ç÷£Æ®´Â ½ÇÁ¦ÀûÀ¸·Î 96£¥ÀÇ È¿À²¼ºÀ» °¡Áö¸ç ¿îÀüºñ¿ëÀ» Àý°¨ÇÒ ¼ö ÀÖ´Ù. ¶ÇÇÑ ¼ö¿ä¿¡ ÀûÇÕÇÑ ±â¼ú ¼±ÅÃÀ¸·Î ÇÊ¿ä ½Ã ¹°À» È÷ÆÃÇÔÀ¸·Î½á °úµµÇÑ »çÀÌŬ ¿îÀüÀ» ¿ÏÈ­½ÃÅ°¸ç ÃÖ´ë ¹°·®À» ¾òÀ» ¼ö ÀÖ´Ù. À̵éÀÇ ÀÀÃàƯ¼ºÀ¸·Î Á¤È®ÇÑ ¿Âµµ ÄÁÆ®·ÑÀÌ °¡´ÉÇϸç È¿À²°³¼±°ú µ¿½Ã¿¡ ¼Õ½ÇÀ» Å©°Ô ÁÙÀÏ ¼ö ÀÖ´Ù.

ÅÊÅ©¸¦ »ç¿ëÇÏ´Â ½Ã½ºÅÛ¿¡¼­ ÀϹÝÀûÀ¸·Î º¼ ¼ö ÀÖ´Â ÆÛ¡(purging) Çö»óÀ̳ª ½ºÅĹÙÀÌ ¼³ºñ, ¿­±³È¯±âÀÇ ¼Õ½Ç ¾øÀÌ Å¬¸®´×(cleaning) °øÁ¤¿¡ »ç¿ëµÇ´Â DI ¿öÅÍ È÷Æÿ¡ º¸´Ù ¸¹Àº ÅõÀÚ¿Í °³¹ßÀÌ ÁøÇàµÇ°í ÀÖ´Ù.


Two deionized water heaters were installed and cascaded together to instantaneously heat deionized water for the cleaning process. The ¨ú-inch, stainless-steel heat exchangers met the plant¡¯s daily demand for deionized hot water. The wall-hung units were also mounted within a small footprint in the plant, allowing for elevated installation and much needed extra square footage. Accommodating a storage tank would have cost the facility more per square foot.

When asked about the decision to buy a deionized, tankless water heating system, Jack Wintrow, commercial sales manager for Culligan in Indianapolis, said, ¡°We were looking for an all stainless-steel water heater to heat deionized water for our drinking water bottling cleaning process. After reviewing ¡¦ literature, we learned about on-demand water heating technology and the small footprint it provides. We purchased two units and installed them ourselves.¡±

The deionized units withstand consistent, high-temperature demands without catastrophic failures. Each model uses commercial-grade heat exchangers. The 316L, low-mass coils enable rapid responses to varying flow rates and are resistant to thermal shock.

The floating coils are resilient against harsh cycles and, with no welds on the water side, eliminate stress corrosion cracking issues. The condensate and flue gasses flow in the same direction to wash away residues and prevent corrosion, creating a heat exchanger that is self-descaling.

The units also include masterless cascade controls that eliminate the risk of single-point failures. With this design, up to 10 units can be cascaded together for a combined capacity of more than 2.5 million BTU/hr. Every unit has enough internal logic to operate independently, allowing it to function smoothly if a heater needs to be checked or serviced. This technology allows the Culligan facility to operate without interruption and eliminates the need for back-up heaters.

The sustainable equipment also provides the plant with 96 percent real-world efficiency, which offers measurable operational savings. Because of their on-demand technology, the units have the capacity to meet peak draws while alleviating excessive cycling by only heating water when needed. Their condensing nature presents precise temperature control and greatly reduces losses while improving efficiency. Without the purging, standby and heat exchanger losses that are typically seen in a system that uses a tank, more money and energy go toward heating the deionized water on which Culligan depends for its cleaning process.


ÅÊÅ©°¡ ÇÊ¿äÇÏÁö ¾Ê´Â ½Ã½ºÅÛÀÇ ÇâÈÄ °³¼±
(Further tankless improvements)

    

 
¡ã ¿ÍÀÌÆÄÀÌ(Wi-Fi) ¹× 3G¡¤4G Åë½Å¿¬°áÀÌ °¡´ÉÇÑ Â÷¼¼´ë DI ¿öÅÍ ¹«ÅÊÅ© È÷ÅÍ´Â ¸ð¹ÙÀÏ ¾ÛÀ» ÅëÇØ ¿ø°Ý Á¶Á¤, ¿ø°Ý ¸ð´ÏÅ͸µÀ¸·Î ¿Âµµ¡¤À¯·® È®ÀÎÀÌ °¡´ÉÇÏ´Ù. »çÁøÀº ÀÎÅÚ¸®ÇÖ ±×¸° Å×Å©³î·ÎÁö½º(Intellihot Green Technologies)»ç°¡ ±¹Á¦Àü½Ãȸ¿¡ ÃâÇ°ÇÑ¡®DI ¿öÅÍ ¹«ÅÊÅ© È÷ÅÍ¡¯Àü½ÃºÎ½º.

 

¿ÍÀÌÆÄÀÌ(Wi-Fi) ¹× 3G¡¤4G Åë½Å¿¬°áÀÇ Æ¯¼ºÀ» °¡Áø Â÷¼¼´ë DI ¿öÅÍ ¹«ÅÊÅ©(deionized tankless) È÷ÅÍ°¡ ÇöÀç »ç¿ë °¡´ÉÇÏ´Ù. °¢°¢ÀÇ ÀåÄ¡´Â ¹«¼±¶ó¿ìÅÍ È¤Àº ÀÎÅÍ³Ý Çãºê¿Í ¿¬°áµÇ¸ç, ¿ø°Ý Á¶Á¤, ¿ø°Ý ¸ð´ÏÅ͸µÀÌ °¡´ÉÇÏ´Ù. ÀÌ·¯ÇÑ »õ·Î¿î ±â¼úÀ» ÅëÇØ Á÷°üÀÇ ÅÍÄ¡½ºÅ©¸° ÀÎÅÍÆäÀ̽º¸¦ »ç¿ëÇÏ¿© ÀϺ°¡¤ÁÖº°¡¤¿ùº° »ç¿ë µ¥ÀÌÅÍ, °íÀ厱¸ »çÀü ½ÅÈ£Á¤º¸ ¹× ºÎÇ° ¼º´ÉÁÖ±âÀÇ ¸ð´ÏÅ͸µ Á¤º¸¸¦ ½ÀµæÇÒ ¼ö ÀÖ´Ù.

¶ÇÇÑ ´ëºÎºÐÀÇ ÀåÄ¡´Â ¸ð¹ÙÀÏ ¾Û(mobile app)À» »ç¿ëÇÏ¿© ¸ð´ÏÅ͸µÇÒ ¼ö ÀÖ°í °³ÀÎ ½º½º·Î ¹°ÀÇ À¯ÀÔ¡¤À¯Ã⠿µµ, À¯·®, ¹è¿¬°¡½º ¿Âµµ ¹× ¿¬¼ÒÀ²À» È®ÀÎÇÒ ¼ö ÀÖ´Ù. ¹°¼ÓÀÇ À̿¹°Áú ºÐ¸®´Â º¹ÀâÇÑ °úÁ¤À¸·Î ÀÎ½ÄµÉ ¼ö ÀÖÀ¸³ª È÷Æà ÀÛ¾÷Àº ºñ±³Àû ¼Õ½¬¿î ¹æ¹ýÀ̸ç ÅÊÅ©°¡ ¾ø´Â ¼³ºñ·Î, Ç÷£Æ®´Â Áö¼ÓÀûÀ¸·Î °íÇ°Áú Á¦Ç° »ý»ê¿¡ ÁýÁßÇÒ ¼ö ÀÖ´Ù. º¸´Ù »ó¼¼ÇÑ »çÇ×Àº intellihot.comÀ» ¹æ¹®ÇÏ¿© ¾òÀ» ¼ö ÀÖ´Ù.


Next-generation deionized tankless water heaters, which include additional features such as Wi-Fi and 3G/4G connectivity, are now available. Each unit can be connected to a wireless router or through a proprietary internet hub. This enables remote access and monitoring of all the equipment. This new technology uses intuitive, touchscreen interfaces and allows for accessing daily, weekly and monthly usage data, troubleshooting info and monitoring the life of parts.

Most new equipment can be monitored using mobile apps. They allow personnel to check water inlet/outlet temperatures, flow rates, flue gas temperatures and combustion rates from mobile devices. While the deionization of water may seem like a complicated concept, heating it should be easy. With tankless units, a facility can continue to focus on delivering high-quality products to and not water-heating challenges.

Jason Smith is an applications engineer at Intellihot Green Technologies Inc. He became a licensed Professional Engineer in 2006 and has been involved in the design process of most types of building mechanical systems for more than 15 years, including plumbing and hydronic heating systems, both from the manufacturer and the specifying engineering perspectives.

Valerie Daves leads business development efforts at Intellihot Green Technologies Inc. She helps customers save energy and space, reduce operating and capital expenses and increase reliability with the company¡¯s tankless, on-demand water heating technology. For more information on the equipment detailed in this article, visit intellihot.com. 


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