海水源热泵对海参育苗废水热能回收的工程应用
该文针对水产生物工厂化育苗水体升温技术需求,开展了利用育苗废水作热源为育苗水体升温的海水源热泵集成技术应用示范,探讨了集成系统对海参育苗水体升温和废水热能的回收效果。结果表明,进入I级换热器的育苗废水和新鲜海水温度分别为10.3~14.9℃和-1.9~4.9℃时,新鲜海水出水温度提升4.6~5.8℃,废水热能最大回收率达到59.2%;海水源热泵的废水热源温度和流量一定时,新鲜海水的温升幅度随其入流流量和温度升高而降低,入流温度分别为7.3和10.3℃的新鲜海水,流量不超过15和20 m~3/h时,出水温度均保持在15℃以上,满足海参育苗水温要求。热泵对废水热能的最大回收率为40.7%,COP（...
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| Published in | 农业工程学报 Vol. 33; no. 9; pp. 218 - 223 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
大连海洋大学辽宁省渔业装备工程技术研究中心,大连,116023%大连鑫玉龙海洋珍品有限公司,大连,116222
2017
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.11975/j.issn.1002-6819.2017.09.028 |
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| Abstract | 该文针对水产生物工厂化育苗水体升温技术需求,开展了利用育苗废水作热源为育苗水体升温的海水源热泵集成技术应用示范,探讨了集成系统对海参育苗水体升温和废水热能的回收效果。结果表明,进入I级换热器的育苗废水和新鲜海水温度分别为10.3~14.9℃和-1.9~4.9℃时,新鲜海水出水温度提升4.6~5.8℃,废水热能最大回收率达到59.2%;海水源热泵的废水热源温度和流量一定时,新鲜海水的温升幅度随其入流流量和温度升高而降低,入流温度分别为7.3和10.3℃的新鲜海水,流量不超过15和20 m~3/h时,出水温度均保持在15℃以上,满足海参育苗水温要求。热泵对废水热能的最大回收率为40.7%,COP（coefficient of performance）在5.03以上;集成升温系统比传统锅炉升温综合节能37.6%以上,减排二氧化碳约2 200 t/a,当年内可收回设备投资费用。 |
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| AbstractList | TKS; 该文针对水产生物工厂化育苗水体升温技术需求,开展了利用育苗废水作热源为育苗水体升温的海水源热泵集成技术应用示范,探讨了集成系统对海参育苗水体升温和废水热能的回收效果.结果表明,进入Ⅰ级换热器的育苗废水和新鲜海水温度分别为10.3~14.9℃和?1.9~4.9℃时,新鲜海水出水温度提升4.6~5.8℃,废水热能最大回收率达到59.2%;海水源热泵的废水热源温度和流量一定时,新鲜海水的温升幅度随其入流流量和温度升高而降低,入流温度分别为7.3和10.3℃的新鲜海水,流量不超过15和20 m3/h时,出水温度均保持在15℃以上,满足海参育苗水温要求.热泵对废水热能的最大回收率为40.7%,COP(coefficient ofperformance)在5.03以上;集成升温系统比传统锅炉升温综合节能37.6%以上,减排二氧化碳约2200 t/a,当年内可收回设备投资费用. 该文针对水产生物工厂化育苗水体升温技术需求,开展了利用育苗废水作热源为育苗水体升温的海水源热泵集成技术应用示范,探讨了集成系统对海参育苗水体升温和废水热能的回收效果。结果表明,进入I级换热器的育苗废水和新鲜海水温度分别为10.3~14.9℃和-1.9~4.9℃时,新鲜海水出水温度提升4.6~5.8℃,废水热能最大回收率达到59.2%;海水源热泵的废水热源温度和流量一定时,新鲜海水的温升幅度随其入流流量和温度升高而降低,入流温度分别为7.3和10.3℃的新鲜海水,流量不超过15和20 m~3/h时,出水温度均保持在15℃以上,满足海参育苗水温要求。热泵对废水热能的最大回收率为40.7%,COP（coefficient of performance）在5.03以上;集成升温系统比传统锅炉升温综合节能37.6%以上,减排二氧化碳约2 200 t/a,当年内可收回设备投资费用。 |
| Abstract_FL | In order to cut down energy consumption, heat loss and air pollution for water heating in indoor aquaculture system, a seawater-source heat pump system, which comprised 2 heat exchangers (namely I-stage exchangers) and a seawater-source heat pump and employed waste water as heating source, was developed and applied in an aquatic organismindoor nursing system. The onsite flow rate of waste water and fresh seawater in I-stage exchangers were regulated to 400 m3/h, respectively. The flow rate of waste water in the seawater-source heat pump was 20 m3/h, while the flow rate of fresh seawaterincreased from 10 to 20 m3/h during the onsite operation. The effectiveness for fresh seawater heating and the heat recovery of waste water by the seawater-source heat pump system were studied on site, and the amounts of energy consumption and carbon emission during the heating period were correspondingly calculated and compared with conditional coal-fired boiler heating approach. It showed that the heat-exchanging efficiency of I-stage heat exchangers was in direct proportion to the temperature differenceof inflowing waste water and fresh seawater. When the inlet temperatures of waste water and fresh seawater were 10.3 and-1.9℃, respectively, the 5.8℃increment of temperature in fresh seawater and 6.1℃drop of temperature in waste water were observed.Additionally, with 14.9℃inflowing waste water and 4.9℃fresh seawater, the outlet temperature of fresh seawater increased to 9.5℃, while the waste water dropped to 10.0℃. The maximum heat recovery efficiency by I-stage exchangers from waste water was59.5%. On the other hand, when the temperature and flow rate of inflowing waste water were not changed, the temperature increment of fresh seawater from the seawater-source heat pump was inversely proportional to its inflowing rate and temperature. With waste water of 14.9℃as the heat source of the seawater-source heat pump, the temperature of fresh seawater increased from 7.3 to 18.6℃at 10 m3/h and to 13.2℃at 20m3/h, which brought out temperature increment of 5.9-11.3℃. In the same case, the temperature of fresh seawater out of the seawater-source heat pump increased from 10.3 to 20.1℃at 10 m3/h and to 16.6℃at 20 m3/h, with temperature increment of6.3-9.8℃. Accordingly, when the temperature of inflowing fresh seawater was 7.3 and 10.3℃, appropriate water temperature (15℃) could be obtained for aquatic organism indoor nursing by keeping the flow rate of fresh seawater at 15 and 20 m3/h, respectively. It was also found that the temperature drop of waste water in the seawater-source heat pump was about 6℃during the operation, which gained the heat recovery efficiency of 40.7% for waste water. The coefficient of performance (COP) of the seawater-source heat pump was 5.03-5.52. In comparison with traditional coal-fired boiler heating approach, the integrated seawater-source heat pump system demonstrated significant drop in energy consumption (over 37.6%) and carbon dioxide emission (about 2200 t/a). The payback period for the seawater-source heat pump system would be about 0.77 a. Therefore the seawater-source heat pump system has an obvious potential in energy conservation and carbon emission reduction in indoor aquaculture system. |
| Author | 李秀辰 邓伟 张殿光 母刚 张国琛 陈帅 车全 |
| AuthorAffiliation | 大连海洋大学辽宁省渔业装备工程技术研究中心,大连116023 大连鑫玉龙海洋珍品有限公司,大连116222 |
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| Author_FL | Deng Wei Zhang Dianguang Mu Gang Chen Shuai Zhang Guochen Che Quan Li Xiuchen |
| Author_FL_xml | – sequence: 1 fullname: Li Xiuchen – sequence: 2 fullname: Deng Wei – sequence: 3 fullname: Zhang Dianguang – sequence: 4 fullname: Mu Gang – sequence: 5 fullname: Zhang Guochen – sequence: 6 fullname: Chen Shuai – sequence: 7 fullname: Che Quan |
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| DocumentTitleAlternate | Engineering application of seawater-source heat pump for waste heat recovery in sea cucumber breeding system |
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| Keywords | 水体升温 waste water 海参 加热 seawater-source heat pump water heating heat recovery 热能回收 温度 海水源热泵 temperature heating sea cucumber 废水 |
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| Notes | Li Xiuchen1, Deng Wei1, Zhang Dianguang1, Mu Gang1, Zhang Guochen1, Chen Shuai1, Che Quan2 （ 1. R ＆D Center of Fisheries Equipment and Engineering of Liaoning Province, Dalian Ocean University, Dalian 116023, China; 2. Dalian Xinyulong Seafood lndustry Co. Ltd, Dalian 116222, China） 11-2047/S waste water; heating; temperature; sea cucumber; water heating; seawater-source heat pump; heat recovery In order to cut down energy consumption, heat loss and air pollution for water heating in indoor aquaculture system, a seawater-source heat pump system, which comprised 2 heat exchangers （namely I-stage exchangers） and a seawater-source heat pump and employed waste water as heating source, was developed and applied in an aquatic organism indoor nursing system. The onsite flow rate of waste water and fresh seawater in I-stage exchangers were regulated to 400 m3/h, respectively. The flow rate of waste water in the seawater-source heat pump was 20 m3/h, while the flow rate of fresh seawater increased from 10 to 20 m3/h duri |
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| Publisher | 大连海洋大学辽宁省渔业装备工程技术研究中心,大连,116023%大连鑫玉龙海洋珍品有限公司,大连,116222 |
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| Snippet | 该文针对水产生物工厂化育苗水体升温技术需求,开展了利用育苗废水作热源为育苗水体升温的海水源热泵集成技术应用示范,探讨了集成系统对海参育苗水体升温和废水热能的回收... TKS; 该文针对水产生物工厂化育苗水体升温技术需求,开展了利用育苗废水作热源为育苗水体升温的海水源热泵集成技术应用示范,探讨了集成系统对海参育苗水体升温和废水热能的... |
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| SubjectTerms | 加热 废水 水体升温 海参 海水源热泵 温度 热能回收 |
| Title | 海水源热泵对海参育苗废水热能回收的工程应用 |
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