第50卷第2期农业工程与装备2023年4月Vol.50No.2AGRICULTURALENGINEERINGANDEQUIPMENTApr.202312SX-230石灰精量撒施旋耕一体机的研制与应用刘欣1,沈炫利1,黄勇1,汪霞1,刘海霞2(1.常德市农业机械化技术推广站,湖南常德415000;2.常德市农业农村局,湖南常德415000)摘要:为解决撒施石灰治理土壤重金属污染时存在的劳动强度大、撒施量不可控、撒施不均匀等问题,根据作业参数需求和湖南省地方标准,研制了12SX-230石灰精量撒施旋耕一体机。该机型由大马力拖拉机驱动,可实现旋耕和撒施同步作业,将石灰与土壤充分混合后完成深土层撒施,可有效防止石灰扬尘和环境污染。田间试验结果表明,该机型的撒施均匀度和撒施量等参数均能满足石灰撒施的作业要求。关键词:土壤污染;石灰撒施;结构设计;性能测试中图分类号:S220.2文献标志码:A文章编号:2096–8736(2023)02–0006–03Developmentandapplicationof12SX-230preciselimespreadingandrotarymachineLIUXin1,SHENXuanli1,HUANYong1,WANGXia1,LIUHaixia2(1.StationofPopularizationofAgriculturalMechanizationTechnologyChangde,Changde,Hunan415000,China;2.BureauofAgricultureandRuralChangde,Changde,Hunan415000,China)【Abstract】Tosolvetheproblemsofhighlaborintensity,uncontrollablesprayingamount,andunevensprayingintheprocessofusinglimesprayingtocontrolsoilheavymetalpollution,a12SX-230limeprecisionsprayingrotarytillagemachinehasbeendevelopedbasedontherequirementsofoperatingparametersandlocalstandardsinHunanProvince.Thismodelisdrivenbyahigh-powertractorandcanachievesimultaneousoperationofrotarytillageandspreading,fullymixinglimewithsoiltocompletedeepsoilspreading,effectivelypreventinglimedust,pollution,andloss.Fieldexperimentshaveshownthattheparameterssuchasuniformityandamountoflimeapplicationcanmeettheoperationalrequirementsforlimeapplication.【Keywords】soilcontaminated;limespreading;structuredesign;performancetest2014年,我国发布的《全国土壤污染状况调查公报》中显示,全国耕地土壤点位超标率为19.4%,其中镉等重金属为主要污染物,镉的点位超标率高达7.0%[1]。土壤环境中的镉等重金属具有不可降解性和迁移性,会随着水源渗透到农作物中,通过食物链富集[2-3]的方式间接进入人体,给人体脏器造成不同程度的器质性损...