{"title":"利用热泵回收动物饲养场的热量","authors":"Søren Pedersen","doi":"10.1016/0167-5826(86)90011-2","DOIUrl":null,"url":null,"abstract":"<div><p>Recovery of heat from animal houses takes place in 1% of all Danish farms. At the beginning, which means in the Seventies, air/water evaporators of copper-aluminium were mostly used. Because of problems with corrosion, most of the heat pumps today are water/water types with external heat exchangers of artificial material such as PVC and PEL.</p><p>Field testing is complete with 17 heat pumps for animal houses, and experiments with an additional 20 units have been initiated. The results show that the mean effect factor is 2.3, taking into account the total energy consumption for compressor, ventilator, circulation pumps etc. The mean effect factor concerning the compressor alone is 3.0.</p><p>In the near future an effect factor of 2.5–3.0 seems to be possible.</p></div>","PeriodicalId":100470,"journal":{"name":"Energy in Agriculture","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1986-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-5826(86)90011-2","citationCount":"0","resultStr":"{\"title\":\"Recovery of heat from animal houses by using heat pumps\",\"authors\":\"Søren Pedersen\",\"doi\":\"10.1016/0167-5826(86)90011-2\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Recovery of heat from animal houses takes place in 1% of all Danish farms. At the beginning, which means in the Seventies, air/water evaporators of copper-aluminium were mostly used. Because of problems with corrosion, most of the heat pumps today are water/water types with external heat exchangers of artificial material such as PVC and PEL.</p><p>Field testing is complete with 17 heat pumps for animal houses, and experiments with an additional 20 units have been initiated. The results show that the mean effect factor is 2.3, taking into account the total energy consumption for compressor, ventilator, circulation pumps etc. The mean effect factor concerning the compressor alone is 3.0.</p><p>In the near future an effect factor of 2.5–3.0 seems to be possible.</p></div>\",\"PeriodicalId\":100470,\"journal\":{\"name\":\"Energy in Agriculture\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1986-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0167-5826(86)90011-2\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Energy in Agriculture\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0167582686900112\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Energy in Agriculture","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0167582686900112","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Recovery of heat from animal houses by using heat pumps
Recovery of heat from animal houses takes place in 1% of all Danish farms. At the beginning, which means in the Seventies, air/water evaporators of copper-aluminium were mostly used. Because of problems with corrosion, most of the heat pumps today are water/water types with external heat exchangers of artificial material such as PVC and PEL.
Field testing is complete with 17 heat pumps for animal houses, and experiments with an additional 20 units have been initiated. The results show that the mean effect factor is 2.3, taking into account the total energy consumption for compressor, ventilator, circulation pumps etc. The mean effect factor concerning the compressor alone is 3.0.
In the near future an effect factor of 2.5–3.0 seems to be possible.
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