| 地下滴灌不同毛管抗负压堵塞性能试验研究 |
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| 引用本文： | 王荣莲,任志宏,莫彦,王建东,于健. 地下滴灌不同毛管抗负压堵塞性能试验研究[J]. 节水灌溉, 2019, 0(7): 13-15,20 |
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| 作者姓名： | 王荣莲 任志宏 莫彦 王建东 于健 |
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| 作者单位： | 内蒙古农业大学职业技术学院;内蒙古自治区水利科学研究院;中国水利水电科学研究院水利研究所;中国农业科学院农业环境与可持续发展研究所 |
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| 基金项目： | 内蒙古自治区科技创新引导奖励资金项目“典型作物地下滴灌铺设技术参数优化及灌溉制度研究”(KCBJ2018052);内蒙古自治区水利科研专项经费项目“地埋滴灌适应性及应用技术研究”;流域水循环模拟与调控国家重点实验室自主研究课题(SKL2018TS05) |
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| 摘 要： | 通过室内土箱试验,研究单翼迷宫式滴灌带、内镶片式滴灌带及内镶圆柱状滴灌管分别在黏壤土、壤土及砂壤土内的抗负压堵塞性能。研究方法为将地下滴灌系统反复启闭,通过滴头流量变化反映其负压堵塞程度。结果表明:单翼迷宫式滴灌带抗负压堵塞性能较差,在壤土内流量降低34%,发生了堵塞;在砂壤土中流量下降12%,继续试验,发生堵塞的可能较大;内镶片式滴灌带抗负压堵塞性能较好,在3种土壤内都没有出现明显的堵塞现象;内镶柱状滴灌管在黏壤及壤土内流量下降均为12%,若继续试验,有发生堵塞的趋势。该类滴灌管与其余两种滴灌带相比,除滴头流道不同外,其流量最大,说明增大流量并不能明显降低负压堵塞。
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| 关 键 词： | 地下滴灌 毛管 抗负压堵塞 |
Experimental Study on Anti-negative Pressure Plugging Performance of Different Capillary Tubes for Subsurface Drip Irrigation |
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| WANG Rong lian,REN Zhi hong,MO Yan,WANG Jian dong,YU Jian. Experimental Study on Anti-negative Pressure Plugging Performance of Different Capillary Tubes for Subsurface Drip Irrigation[J]. Water Saving Irrigation, 2019, 0(7): 13-15,20 |
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| Authors: | WANG Rong lian REN Zhi hong MO Yan WANG Jian dong YU Jian |
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| Affiliation: | (Vocational and Technical College of Inner Mongolia Agricultural University, Baotou 014109, Inner Mongolia, China;The Inner Mongolia Institute of Water Resources Research,Huhhot, 010051, China;Department of Irrigation and Drainage, China Institute of Water Resources and Hydropower Research, Beijing 100048, China;Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China) |
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| Abstract: | WANG Rong lian;REN Zhi hong;MO Yan;WANG Jian dong;YU Jian(Vocational and Technical College of Inner Mongolia Agricultural University, Baotou 014109, Inner Mongolia, China;The Inner Mongolia Institute of Water Resources Research,Huhhot, 010051, China;Department of Irrigation and Drainage, China Institute of Water Resources and Hydropower Research, Beijing 100048, China;Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China) |
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| Keywords: | subsurface drip irrigation capillary tube anti-negative pressure blockage |
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