柑桔湿冷通风贮藏库的设计及效果分析
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“十一五”国家科技支撑项目(2006BAD22B01、2006BAD22B03、2006BAD22B04、2007BAD47B02);农业科研专项(nyhyzx07-023)


Design and effect analysis of citrus ventilating storehouse with refrigerating and wetting systems
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    摘要:

    为开发节能高效的柑桔贮藏保鲜库,通过设计、性能测试、贮藏试验,研制出湿冷通风库。库体总热阻为 5.07 m2·℃/W,耗能为2.27 kW·h/100 m3·h,比普通冷库减少能耗50%;温度可降至-5℃以下,自动控制精度±0.1℃;相对湿度可升到99%,自动控制精度±2%。锦橙、椪柑在湿冷通风库中贮藏的呼吸强度分别为4.29、2.34 mg/kg·h,锦橙湿冷通风贮藏150 d腐烂率为6.32%,椪柑湿冷通风贮藏120 d腐烂率为5.38%,腐烂率明显低于在改良通风库贮藏(锦橙10.67%、椪柑12.04%)。锦橙湿冷通风库贮藏150 d,有机酸质量浓度0.58 g/100 mL、总糖质量浓度8.33 g/100 mL、维生素C质量浓度41.11 mg/100 mL,椪柑湿冷通风库贮藏120 d,有机酸质量浓度0.22 g/100 mL、总糖质量浓度 6.41 g/100 mL、维生素C质量浓度15.62 mg/100 mL,品质和风味也优于通风库贮藏。结果表明,湿冷通风贮藏是具自然冷源降温、机械制冷、加湿功能节能的贮藏设施,柑桔贮藏效果良好。

    Abstract:

    In order to study energy-saving and efficient techniques for citrus storage, the author developed a new type of storehouse— the ventilating storehouse with refrigerating and wetting systems. The system performance test and storage test were conducted. The thermal resistance of the storehouse was 5.07 m2·℃/W, and the energy consumption was 2.27 kW·h/100 m2·h which was 50% of the energy consumption in cold storage. In the storehouse, temperature could fall to -5℃ below, control accuracy was ±0.1℃, humidity could rise to 99% and control accuracy was ±2%. In the ventilating storehouse with refrigerating and wetting systems, the respiration rate of citrus was 4.29 mg/kg·h (for Jinchen) and 2.34 mg/kg·h (for Ponkan) respectively, which was lower than that in the simple ventilating storehouse, and the decay rate of citrus was less, which was 6.32% (for Jinchen store 150 days) and 5.38% (for Ponkan store 120 days) respectively, and the quality and the flavor were better. After 150 days storage for Jinchen, organic acid was 0.58 g/100 mL, sugar was 8.33 g/100 mL, vitamin C was 41.11 mg/100 mL, after 120 days storage for Ponkan, organic acid was 0.22 g/100 mL, sugar was 6.41 g/100 mL, vitamin C was 15.62 mg/100 mL. The results show that the ventilating storehouse with refrigerating and wetting systems are an energy-saving and good effect storage facility, in which the temperature decrease with nature cold source or refrigerating system, and humidity increase in the storage.

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王日葵,周 炼,韩爱华.柑桔湿冷通风贮藏库的设计及效果分析[J].农业工程学报,2010,26(11):355-360.

Wang Rikui, Zhou Lian, Han Aihua. Design and effect analysis of citrus ventilating storehouse with refrigerating and wetting systems[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE),2010,26(11):355-360.

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  • 收稿日期:2010-01-21
  • 最后修改日期:2010-07-14
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