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太陽(yáng)能輔助熱泵綜合就倉(cāng)干燥系統(tǒng)實(shí)驗(yàn)研究
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Hybrid Solar Drying System Assisted by Heat Pump for Grain In-store Drying
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    設(shè)計(jì)了一種由太陽(yáng)能空氣集熱器、熱泵和翻糧機(jī)組成的太陽(yáng)能輔助熱泵就倉(cāng)干燥系統(tǒng),，用于糧食就倉(cāng)干燥,。對(duì)系統(tǒng)進(jìn)行了實(shí)驗(yàn)研究,，研究結(jié)果表明,，太陽(yáng)能空氣集熱器平均熱效率達(dá)到63%,，熱泵性能系數(shù)達(dá)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(shí)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(cāng)儲(chǔ)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(yáng)能輔助熱泵綜合就倉(cāng)干燥系統(tǒng)實(shí)驗(yàn)研究[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),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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