Experimental study on the clogging effect of drip irrigation emitters with different sediment concentrations

XIANG Yang-fan; CEN Rui; WU Wen-yong; HU Ya-qi; XU Jian

Journal of Water Resources and Water Engineering > 2024 > 35(4): 206-211,224.

XIANG Yang-fan, CEN Rui, WU Wen-yong, HU Ya-qi, XU Jian. Experimental study on the clogging effect of drip irrigation emitters with different sediment concentrations[J]. Journal of Water Resources and Water Engineering, 2024, 35(4): 206-211,224.

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Experimental study on the clogging effect of drip irrigation emitters with different sediment concentrations

1. College of Water Conservancy and Hydropower Engineering, Gansu Agricultural University;
2. Dayu Irrigation Group;
3. Department of Irrigation and Drainage, China Institute of Water Resources and Hydropower Research

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Received Date: March 18, 2024

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Abstract

Abstract

The blockage of emitters is a key factor affecting the quality of water drip irrigation with the Yellow River water. This article focuses on the flow rate changes and clogging effects of different types of drip irrigation emitters in Yellow River water irrigation. The blockage simulation experiments were conducted on eight different drip irrigation emitters and three sediment concentrations of 1 ‰（1 kg/t）, 2 ‰（2 kg/t）, and 4 ‰（4 kg/t）. The results show that the flow attenuation rate increases with the increase of irrigation time, and the overall attenuation rate reaches 43% to 72% after 300 hours of irrigation. Furthermore, the flow attenuation rate also increases with the increase of sediment concentration, the emitters with low sediment content（1‰） of 75% exhibit moderate blockage; whereas those with high sediment content（4‰） of 100% exhibit severe blockage. The irrigation uniformity of emitter N-1.6 and N-2.0B under three different sediment concentrations are all above 80%, which can meet the irrigation needs of crops. The flow attenuation of the emitter is positively correlated with the length of the flow channel in the emitter. As the length of the channel increases, the anti-clogging performance of the emitter decreases, and the flow——attenuation increases. The sediment d₅₀ in the flow channel is negatively correlated with the design flow velocity of the emitter, which decreases with the increase of the design flow velocity. The sediment volume ratio of particle size of 0～30 μm inside the flow channel decreases with the increase of the sediment concentration. The research results can provide reference for solving the problem of drip irrigation emitters clogging with the Yellow River water.

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References (36)

References

[1]	中华人民共和国水利部.2022年水资源公报[R/OL].(2023-06-30)[2024-05-25]. http://www.mwr.gov.cn/sj/tjgb/szygb/202306/t20230630_1672556.html.
[2]	马积俊.水资源研究与发展的若干思考[J].农业科技与信息,2015(24):108-109.
[3]	于琪洋.实行最严格水资源管理制度考核工作分析与展望[J].中国水利,2019(17):6-8.
[4]	鄂竟平.工程补短板行业强监管奋力开创新时代水利事业新局面:在2019年全国水利工作会议上的讲话(摘要)[J].中国水利,2019(2):1-11.
[5]	杨翊辰,刘柏君.黄河流域典型灌区节水潜力评估[J].海河水利,2021(3):10-15.
[6]	贾绍凤,梁媛.新形势下黄河流域水资源配置战略调整研究[J].资源科学,2020,42(1):29-36.
[7]	中华人民共和国水利部黄河水利委员会.2022年黄河水资源公报[R/OL].(2024-03-21)[2024-05-25]. http://www.yrcc.gov.cn/sy/sssq/.
[8]	高瑞,陈志卿,洪明,等.土壤水分阈值对北疆膜下滴灌棉花生长、耗水规律及产量的影响[J].水资源与水工程学报,2023,34(6):200-209.
[9]	宁松瑞,颜安,柳维扬.盐胁迫膜下滴灌棉花生长及产量对氮磷钾追施配比的响应分析[J].水资源与水工程学报,2022,33(5):208-215.
[10]	李东伟,李明思,周新国,等.土壤带状湿润均匀性对膜下滴灌棉花生长及水分利用效率的影响[J].农业工程学报,2018,34(9):130-137.
[11]	李池,陈刚,梁国成,等.基于熵权-TOPSIS的滴灌春玉米灌水定额研究[J].水资源与水工程学报,2023,34(2):216-224.
[12]	常浩,洪明,陈志卿,等.土壤水分上下限对北疆滴灌春玉米产量和品质的影响[J].水资源与水工程学报,2023,34(1):207-215.
[13]	胡建强,赵经华,马英杰,等.不同灌水定额对膜下滴灌玉米的生长、产量及水分利用效率的影响[J].水资源与水工程学报,2018,29(5):249-254.
[14]	SHEN Yan,PUIG-BARGUES J,LI Mengyao,et al.Physical,chemical and biological emitter clogging behaviors in drip irrigation systems using high-sediment loaded water[J].Agricultural Water Management,2022,270:107738
[15]	PUERTES C,BAUTISTA I,LIDON A,et al.Best management practices scenario analysis to reduce agricultural nitrogen loads and sediment yield to the semiarid Mar Menor coastal lagoon (Spain)[J].Agricultural Systems,2021,188:103029.
[16]	冯吉.引黄滴灌系统泥沙逐级调控机制及方法研究[D].北京:中国农业大学,2017.
[17]	张钟莉莉.微咸水滴灌系统灌水器化学堵塞机理及控制方法研究[D].北京:中国农业大学,2016.
[18]	BUCKS D A,NAKAYAMA F S,GILBERT R G.Trickle irrigation water quality and preventive maintenance[J].Agricultural Water Management,1979,2(2):149-162.
[19]	GILBERT R G,NAKATAMA F S,BUCKS DA,et al.Trickle irrigation:predominant bacteria in treated Colorada River water and biologically clogged emitters[J].Irrigation Science,1982,3:123-132.
[20]	LI Yunkai,PAN Jiachong,CHEN Xiuzhi,et al.Dynamic effects of chemical precipitates on drip irrigation system clogging using water with high sediment and salt loads[J].Agricultural Water Management,2019,213:833-842.
[21]	周博,李云开,裴旖婷,等.再生水滴灌灌水器附生生物膜生长对堵塞的影响[J].农业工程学报,2015,31(3):146-151.
[22]	PEI Yiting,LI Yunkai,LIU Yaoze,et al.Eight emitters clogging characteristics and its suitability under on-site reclaimed water drip irrigation[J].Irrigation Science,2014,32(2):141-157.
[23]	李云开,周博,杨培岭.滴灌系统灌水器堵塞机理与控制方法研究进展[J].水利学报,2018,49(1):103-114.
[24]	BOUNOUA S,TOMAS S,LABILLE J,et al.Understanding physical clogging in drip irrigation:in situ,in-lab and numerical approaches[J].Irrigation Science,2016,34(4):327-342.
[25]	NIU Wenquan,LIU Lu.Influence of fine particle size and concentration on the clogging of labyrinth emitters[J].Irrigation Science,2013,31(4):545-555.
[26]	刘璐,牛文全,ZHOU B.细小泥沙粒径对迷宫流道灌水器堵塞的影响[J].农业工程学报,2012,28(1):87-93.
[27]	吴婉莹,王文娥,胡笑涛,等.石羊河流域水肥一体滴灌系统滴灌带堵塞影响因素研究[J].中国农村水利水电,2019(5):107-111+115.
[28]	夏天,田军仓,李小纲.高含沙水滴灌灌水器堵塞机制及防堵技术研究进展[J].节水灌溉,2024(4):51-57.
[29]	阿垦里白·木赛,李丰琇,艾鹏睿,等.铺设长度及入口压力交互作用对小流量滴灌带灌水均匀度的影响[J].水资源与水工程学报,2023,34(4):217-224.
[30]	翟英剑,吴文勇,王振华,等.基于Ansys Fluent的压力对灌水器流道单元水力特性及抗堵塞性能探究[J].节水灌溉,2022(5):47-53+59.
[31]	侯鹏,肖洋,吴乃阳,等.黄河水滴灌系统灌水器结构-泥沙淤积-堵塞行为的相关关系研究[J].水利学报,2020,51(11):1372-1382.
[32]	谭弘.泥沙特性对滴灌灌水器堵塞影响研究[D].长沙:长沙理工大学,2016.
[33]	柴朝晖,方红卫,姚仕明,等.黏性泥沙絮凝-沉降-再悬浮运动过程数学模型研究[J].水利学报,2016,47(12):1540-1547.
[34]	张传杰,牛勇,刘逍航.齿间角对迷宫灌水器水力特性影响的数值模拟[J].排灌机械工程学报,2022,40(7):751-756.
[35]	张中华,孙修东,谢锦平,等.微喷灌稳流器流道水沙两相流数值模拟[J].排灌机械工程学报,2022,40(2):211-216.
[36]	温圣林.滴头结构和滴头类型对滴头堵塞的影响[D].杨凌:西北农林科技大学,2020.