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태양에너지 해수담수화를 위한 증발식 다중효용 담수기 개발
주홍진(Joo Hong-Jin),황인선(Hwang In-Seon),윤상국(Yun Sang-kook),윤응상(Yun Eung-San),서태범(Seo Tae-Beom),곽희열(Kwak Hee-you) 한국태양에너지학회 2010 한국태양에너지학회 학술대회논문집 Vol.2010 No.4
This study was carried out to evaluate the performance for Multi Effect Distillation(MED) with solar energy desalination system. It designed and manufactured Multi effect distillation with 3㎥/day capacity in order to perform of evaluation. The parameters relating with 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, 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 is required about 40㎾ heat 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
Development of 3th Effects Evaporative desalination system for Solar Desalination System
황인선(Hwang, In-Seon),주홍진(Joo, Hong-Jin),윤응상(Yun, Eung-Sang),곽희열(Kwak, Hee-Youl) 한국신재생에너지학회 2010 한국신재생에너지학회 학술대회논문집 Vol.2010 No.06
The evaporative desalination system with solar energy would be the efficient and attractive method to get fresh water. This study was described the development of Multi Effect Distillation(MED) with solar energy desalination system. The system was designed and manufactured Multi effect distillation on the capacity of 3m³/day. The experimental apparatus consists mainly of ejector pump, Hot water pump, flow meter, demister, cooler, evaporator and condenser. Evaporator and condenser were made Shell&Tube Heat Exchanger type with corrugated tube. The experimental variables were chosen 75?C for hot water inlet temperature, 40, 60 and 80{ell}/min for hot water inlet volume flow rate, 6.0 and 8.0{ell}/min for evaporator feed seawater flow rate, 18?C for sea water inlet temperature to cover the average sea water temperature and the salinity of sea water is measured about 33,000 PPM (parts per million). for a year in Korea. This study was analyzed the results of thermal performance of Multi Effect Distillation. The results are as follows, The experimental Multi effect distillation is required about 40 kW heat source for production of 3m³/day fresh water. Various operating flow rate was confirm in the experiments to get the optimum design data and the results showed that the optimum total flow was 8.0{ell}/min. Comparison of Single Effect Distillation with Multi Effect Distillation showed MED is at least more than double of SED.