吸附式太阳能制冷系统在低温储粮中的应用研究
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(石家庄铁路职业技术学院,河北 石家庄 050041)

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冯博(1981—),男,石家庄铁路职业技术学院讲师,硕士。E-mail: fbo1981@126.com

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国家自然科学基金资助项目(编号:51375319);河北省教育厅自然科学重点项目(编号:ZD2015071);河北省教育厅自然科学重点项目(编号:ZD2015065)


The conditions and methods of low temperature grain-storage technology with solar adsorption refrigeration system
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(Shijiazhuang Institute of Railway Technology, Shijiazhuang, Hebei 050041, China)

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    摘要:

    研究了吸附式太阳能制冷系统在低温储粮中的应用,测试分析了系统热性能。结果表明,在夏秋高温季节12:00~13:00,采用太阳能制冷系统冷却,集热器表面太阳辐射强度约为3.0 MJ/(m2·d),系统制冷功率为3.9 kW左右,在时间上的分布规律,系统制冷功率与低温储粮所需冷量大体匹配。太阳辐射量在16~20 MJ/(m2·d)的条件下,太阳能吸附制冷系统可平稳运行,每天运行时间约为7~9 h。系统日平均制冷功率约为3.0~4.5 kW,太阳能制冷系数COP约为0.095~0.130。适当增大热水箱的容量与集热器面积,可延长制冷系统运行时间。

    Abstract:

    In this study, solar powered adsorption refrigeration system was investigated to study its application in storage at low temperature, and the thermal performance of the system has been tested and analyzed. The results showed that at the high temperature in summer season, when the solar refrigeration system was cooled at 12:00~13:00, the solar thermal collector surface radiation intensity is about 3.0 MJ/(m2·d), and the refrigeration power system is about 3.9 kW distribution according to time. Moreover, the it was found that cooling power and low temperature storage required cooling capacity in general. Under the condition of solar radiation in 16~20 MJ/(m2·d), the solar adsorption refrigeration system can run smoothly, daily running about 7~9 h. The average daily cooling power of the system was about 3.0~4.5 kW, and the solar refrigeration coefficient COP was about 0.095~0.130. Additionally, it was also found that properly increasing the capacity of the hot water tank and the area of the collector,could extend the running time of the refrigeration system.

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引用本文

冯博.吸附式太阳能制冷系统在低温储粮中的应用研究[J].食品与机械,2016,32(11):129-132,236.
FENGBo. The conditions and methods of low temperature grain-storage technology with solar adsorption refrigeration system[J]. Food & Machinery,2016,32(11):129-132,236.

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  • 收稿日期:2016-10-06
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  • 在线发布日期: 2023-03-09
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