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太陽能輔助熱泵綜合就倉干燥系統(tǒng)實驗研究
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Hybrid Solar Drying System Assisted by Heat Pump for Grain In-store Drying
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    摘要:

    設(shè)計了一種由太陽能空氣集熱器,、熱泵和翻糧機組成的太陽能輔助熱泵就倉干燥系統(tǒng)，用于糧食就倉干燥,。對系統(tǒng)進行了實驗研究,，研究結(jié)果表明，太陽能空氣集熱器平均熱效率達到63%,，熱泵性能系數(shù)達到5.4,，聯(lián)合系統(tǒng)能夠提供充足,、穩(wěn)定的熱量，并且干燥效果明顯,、干燥時間短,、耗電量小、干燥均勻性好,。應(yīng)用該系統(tǒng)可安全,、節(jié)能、有效地降低倉儲玉米含水率,。

    Abstract:

    A hybrid solar drying system assisted by heat pump for grain in-store drying was developed. The system is composed of solar air collector, heat pump and stir machine for grain. The experimental study was conducted for maize drying. The results indicated that average thermal efficiency of the air collector is up to 63% and COP of the heat pump can reach 5.4. The combined system can supply adequate and stable thermal energy. The effect of drying is obvious. Drying time is reduced and energy consumption is low. Besides, the uniformity of moist content is improved. Utilized for maize in-store drying, the system can reduce the moisture content of maize in the granary with the characteristics of safety, energy saving and better effect.

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李海峰,李勇,代彥軍,高素芬,魏雷,李宗良.太陽能輔助熱泵綜合就倉干燥系統(tǒng)實驗研究[J].農(nóng)業(yè)機械學(xué)報,2010,41(7):109-113. Hybrid Solar Drying System Assisted by Heat Pump for Grain In-store Drying[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(7):109-113.

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