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首页> 外文会议>10th international conference on phase change materials and slurries for refrigeration and air conditioning >EVALUATION OF THE THERMAL ENERGY BALANCE OF A PRACTICAL COW BARN WITH DYNAMIC TYPE ICE STORAGE
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EVALUATION OF THE THERMAL ENERGY BALANCE OF A PRACTICAL COW BARN WITH DYNAMIC TYPE ICE STORAGE

机译：动态储冰型实用牛棚的热能平衡评估

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摘要

A practical test plant of a heat pump system which has both functions of heat recovery from freshrnmilk and cold thermal storage with ice slurry has been developed.rnThe test plant is assumed a standard scale of cow barn in Hokkaido district, which has 100 cows perrnbarn and 2000L class milking per day by Twice-A-Day milking schedule, and it has been installedrnat Nakashibetsu town in Eastern Hokkaido.rnIn the usual milking cow barn, it is required to cool fresh milk from about 37 degrees Celsius to lessrnthan 10 degrees Celsius for quality preservation. And hot water is also necessary for cleaning thernbarn.rnDuring milking period, fresh milk is cooled by the disaccharide base ice slurry coolant from storagerntank and then the ice storage tank coolant absorbs heat from fresh milk and produces an increase inrntemperature.rnAnd when the idling period, heat pump absorbs heat from ice storage tank to make hot water andrnsimultaneously make ice slurry in storage tank.rnWe have investigated and evaluated on energy balance and efficiency of the system. And it is foundrnthat the system has practical utility on the standard class cow barn in Hokkaido Japan.
机译：已开发出既具有从鲜牛奶中回收热量又具有冰浆的冷蓄热功能的热泵系统的实际测试工厂。该测试工厂被假定为北海道地区的标准规模的牛棚，其中有100头奶牛和按照每天两次挤奶时间表，每天进行2000L级挤奶，并且已在北海道东部的Nakashibetsu镇安装了挤奶。在通常的挤奶牛舍中，需要将新鲜的牛奶从大约37摄氏度冷却到低于10摄氏度质量保全。在挤奶期间，鲜牛奶被来自储罐的二糖基冰浆冷却剂冷却，然后储冰罐冷却剂从鲜牛奶吸收热量并产生升高的温度。 ，热泵从储冰罐吸收热量，制成热水，同时在储罐中制成冰浆。我们对系统的能量平衡和效率进行了研究和评估。并发现该系统在日本北海道的标准级牛棚上具有实用性。

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