| 摘要: |
| 【目的】研究全封闭小温室的降温方法，为全封闭温室的降温及水分循环利用提供参考。【方法】采用不同的降温思路，设计不同的试验方案，研究不同覆盖层、空间延长及水循环方式对全封闭小温室温度的影响，比较不同方法的降温效果。【结果】（1）中空材料对全封闭环境内的降温效果不明显。在双层中空玻璃的4个受光面加入一层水后，能够显著降低高温时段温室内的温度。（2）延长空间对全封闭小温室能够起到一定的降温作用，平均可降低4 ℃。（3）利用水在全封闭小温室顶面和侧面循环，可使温室内温度降低，具有明显的降温效果。【结论】利用水循环方法能够起到较好的降温效果，空间延长法也可实现全封闭温室的降温，但需考虑延长空间的成本等因素。 |
| 关键词: 全封闭温室 温室降温 降温方法 水循环 |
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| 基金项目:国家“863”计划项目“主要农作物节水高产农艺补偿技术研究”（2006AA100202-2） |
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| Research on cooling methods for closed greenhouse |
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| Abstract: |
| 【Objective】The experiment studied the cooling methods to provide references for cooling and hydrological cycling of closed greenhouse.【Method】Three methods were used and plans were designed to research temperature in the closed greenhouse affected by different cover layers,spatial extension and hydrological cycle,then the cooling effect was compared.【Result】The hollow materials have little effect on the temperature inside the greenhouse,but adding water into the double layer hollow glasses can reduce temperature in the closed greenhouse.Extending the space can reduce the temperature of the greenhouse by 4 degrees.Hydrological cycle has a satisfactory cooling effect.【Conclusion】Using hydrological cycle has a satisfactory cooling effect,also with spatial extension method,but extending the space needs to consider factors like the costs. |
| Key words: closed greenhouse greenhouse cooling cooling methods hydrological cycle |
