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À̸§ °ü¸®ÀÚ waterindustry@hanmail.net ÀÛ¼ºÀÏ 2017.02.21 Á¶È¸¼ö 298
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[¹Ì±¹] ¸Å»çÃß¼¼Ã÷ ¼öÀÚ¿ø ´ç±¹, °øÁ¤ ½Å·Úµµ °³¼±

 

 

¸Å»çÃß¼¼Ã÷ ¿¬¹æÀÇ °ø°ø ±â°üÀÎ ¸Å»çÃß¼¼Ã÷ ¼öÀÚ¿ø ´ç±¹(Massachusetts Water Resources Authority, MWRA)Àº ÁÖ·Î º¸½ºÅÏ Áö¿ª¿¡ ´ë·® ½Ä¼ö ¹× Çϼö ¼­ºñ½º¸¦ Á¦°øÇÑ´Ù.

 

º¸½ºÅÏ Áö¿ª 61°³ ´ëµµ½Ã Áö¿ª »çȸ¿¡¼­ 250¸¸ ¸í ÀÌ»óÀÇ »ç¶÷µé°ú 5õ500¿© ¸íÀÇ »ê¾÷ ÇöÀåÀÎÀÌ MWRA ¼öµµ ½Ã½ºÅÛÀ» ÅëÇØ ¹°À» °ø±Þ¹Þ´Â´Ù.

 

¶ÇÇÑ MWRA´Â º¸½ºÅæ Ç×±¸ÀÇ ¿À¿°À» ¹æÁöÇϱâ À§ÇØ µð¾î ¾ÆÀ̽½·£µå Çϼö󸮽ü³(Deer Island Sewage Treatment Plant)¿¡ ÀÇÁ¸ÇÑ´Ù.

 

Deer Island ½Ã¼³Àº ¹Ì±¹¿¡¼­ µÎ ¹ø°·Î Å« Çϼö ó¸®ÀåÀ¸·Î ÇÏ·ç 13¾ï °¶·±(bgd)ÀÇ ¿ë·®°ú 350mgdÀÇ Æò±Õ À¯·®À» ÀÚ¶ûÇÑ´Ù. Deer Island¿¡¼­ ó¸®µÈ Æó¼ö´Â ¹Ù´Ù·Î ¹èÃâ µÉ ¼ö ÀÖ´Ù.

 

ÀÌ ½Ã¼³ÀÇ ºÏ ÁÖ¿ä ÆßÇÁ½Ã¼³(North Main Pump Station, NMPS)Àº ¼¶ÀÇ ºÏ ½Ã½ºÅÛ( North System)À» Áö¿øÇÑ´Ù. ÀÌ ÆßÇÁ½Ã¼³¿¡´Â 3õ500¸¶·Â(hp)ÀÇ ÆßÇÁ°¡ Æ÷ÇԵǾî ÀÖ´Ù.

 

ÄÄÇ»ÅÍ ½Ã½ºÅÛÀº Àüü Deer Island ½Ã¼³ÀÇ ¿î¿µ ¹× À¯Áö °ü¸®¸¦ Áö¿øÇÏ´Â µ¥ »ç¿ëµÈ´Ù. ÀÌ ½Ã½ºÅÛ¿¡´Â PICS(Process Information Control System) ¶Ç´Â SCADA ½Ã½ºÅÛÀÌ Æ÷ÇԵǾî ÀÖÀ¸¸ç, NMPS¸¦ Æ÷ÇÔÇÏ¿© ½Ã½ºÅÛ Àüü¿¡¼­ ½Ã½ºÅÛÀÇ ½Ç½Ã°£ µ¥ÀÌÅ͸¦ Á¦°øÇÑ´Ù.

 

[¿ø¹®º¸±â]


Improving Process Reliability, Capacity at Massachusetts Water Resources Authority


The Massachusetts Water Resources Authority (MWRA) is a public authority in the Commonwealth of Massachusetts that provides wholesale drinking water and sewage services to municipalities and industrial users primarily in the Boston area.

 

More than 2.5 million people and 5,500 industrial users in 61 metropolitan communities inside the Boston area rely on the MWRA water system. In turn, the MWRA is reliant upon its Deer Island Sewage Treatment Plant to help protect the Boston Harbor against pollution from the region¡¯s sewer systems.

 

The Deer Island facility is the second largest sewage treatment plant in the U.S., with a capacity of 1.3 billion gallons per day (bgd) and average flows of 350 mgd. In line with relevant federal and state environmental standards, treated wastewater from Deer Island can be released into the marine environment.

 

The facility¡¯s North Main Pump station (NMPS) serves the North System of the island. This pump station includes ten 3,500 horsepower (hp) pumps. A computerized system is used to help support the operations and maintenance of the entire Deer Island facility. This system includes a Process Information Control System (PICS) or SCADA system, which provides real-time data from systems throughout the plant, including the NMPS.

 

In 2002, Eaton started to work with the MWRA to replace over fifty low-voltage (480 volt) drives. Beyond helping replace the low-voltage drives throughout the primary and secondary treatment facilities, Eaton engineers worked closely with the MWRA to hardwire and integrate field input/output (I/O) points and integrate logic on the drive to control the process through the drives, avoiding the cost of adding additional programmable logic controllers (PLCs) to control the drives. At the time, Eaton was the first manufacturer to provide a low-voltage clean-power drive technology on Deer Island.

 

[Ãâó = Water World / 2017³â 2¿ù 1ÀÏ]

 

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