节水灌溉Issue(3)：1-6,6.DOI:10.12396/jsgg.2025161
植保机械分体式喷嘴材质与结构对雾化性能影响研究
Comparative Study on Atomization Performance of Modular Nozzles in Plant Protection Machinery with Different Materials and Structural Parameters
摘要
Abstract
Conventional integrated-structure nozzles suffer from fixed parameters and high maintenance costs,whereas modular nozzles allow flexible adjustment of structural parameters through interchangeable nozzle inserts,with atomization performance determined directly by the nozzle insert.This study uses a hollow-cone nozzle as the base structure and investigates the effects of insert material and structural parameters on atomization quality by varying one factor at a time.The experimental results indicate that,in terms of material,the YG6 carbide nozzle insert outperforms the 304 stainless steel and TiN-coated nozzle inserts;structurally,the spray angle increases as the outlet straight-section length decreases and decreases as the inlet cone angle increases.When the outlet straight-section length is 0.5 mm or smaller and the pressure ranges from 0.2 to 0.5 MPa,the droplet volume median diameter remains between 105 and 150 μm,with a relative span factor of less than 1.1,indicating fine atomization and uniform droplet distribution.It is also found that the nozzle inserts with a 60° inlet cone angle achieved the maximum spray angle(64.28°)at 0.5 MPa,while demonstrating favorable droplet size distribution and uniformity.Accordingly,the YG6 carbide nozzle insert combined with a 0.5 mm outlet straight-section length and a 60° inlet cone angle maximizes the spray angle,refines the droplet size,and ensures uniform distribution,offering a direct selection basis for the refined design of agricultural sprayers and precision pesticide application.关键词
雾滴粒径/雾化角/喷嘴结构/雾化性能/植保机械/喷嘴材料Key words
droplet size/spray angle/nozzle structure/atomization performance/equipment for plant protection/nozzle material分类
农业科技引用本文复制引用
曹胜瀚,邓建新,戎世耀,包一琛,张志慧..植保机械分体式喷嘴材质与结构对雾化性能影响研究[J].节水灌溉,2026,(3):1-6,6.基金项目
山东省农机研发制造推广应用一体化试点项目(NJYTHSD-202325). （NJYTHSD-202325）
