태양열 해수담수화 시스템을 위한 다중효용 담수기 개발
Development of Multi Effect Distillation for Solar Thermal Seawater Desalination System
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This study was accomplished to evaluate the performance of Multi Effect Distillation(MED) for solar thermal desalination system. It was designed Multi effect distillation with 3㎥/day capacity and Shell&Tube type heat exchanger. Also, The effective heat transfer of Shell&Tube heat exchanger was used Cu(90%)-Ni(10%) corrugated tube. The parameters relating to the performance of Multi Effect Distillation are known as hot water flow rate. The experimental conditions for each parameters were 18 ℃ for sea water inlet temperature, 6㎥/hour sea water inlet volume flow rate, 75 ℃ for hot water inlet temperature, 2.4, 3.6, and 4.8 ㎥/hour for hot water inlet volume flow rate, respectively. The results are as follows, Development for Multi effect distillation was required about 40kW heat and 35kW cooling source to produce 3㎥/day of fresh water. Based on the results of this study, It makes possible to secure economics of desalination system with solar energy which is basically needed development of high efficiency fresh water generator.
Abstract
This study was accomplished to evaluate the performance of Multi Effect Distillation(MED) for solar thermal desalination system. It was designed Multi effect distillation with 3㎥/day capacity and Shell&Tube type heat exchanger. Also, The effective heat transfer of Shell&Tube heat exchanger was used Cu(90%)-Ni(10%) corrugated tube. The parameters relating to the performance of Multi Effect Distillation are known as hot water flow rate. The experimental conditions for each parameters were 18 ℃ for sea water inlet temperature, 6㎥/hour sea water inlet volume flow rate, 75 ℃ for hot water inlet temperature, 2.4, 3.6, and 4.8 ㎥/hour for hot water inlet volume flow rate, respectively. The results are as follows, Development for Multi effect distillation was required about 40kW heat and 35kW cooling source to produce 3㎥/day of fresh water. Based on the results of this study, It makes possible to secure economics of desalination system with solar energy which is basically needed development of high efficiency fresh water generator.
참고문헌 (6)
- JohnA, "Low-temp eraturesolar-thermalmulti-effectevapor ation desalination systems", International JournalofEnergyResearch, 34, pp.393~403 (2009)
- Kwak,H,Y, "thermalperformance ofsolardesalinationsystem usingplatetypefreshwatergenerator" (2009), INTA-SEGA
- KwakH,Y, "Thermal performanceofsinglestageshell& tubes (SAT)freshwatergenerator" (2009), INTA-SEGA
- 곽희열, "Evaluationofseasonalperformance forsingle-stagedesalinationsystem with solarenergySET2008", ~ (2008)
- Joseph,J, "StudiesonaSingle-stageSolar Desalination System for Domestic Applications", Desalination, 173, pp.77~82 (2004)
- 김정배, "태양에너지 해수담수화시스템에의 적용을 위한 판형 해수담수기의 열성능에 관한 실험적 연구", 한국태양에너지학회 논문집, 27(4), pp.35~42 (2007), 한국태양에너지학회