水处理与注水工程宫文凯等:含油污泥热化学清洗-离心工艺参数优化实验研究油气田地面工程https://yqtd.cbpt.cnki.net含油污泥热化学清洗-离心工艺参数优化实验研究宫文凯1王福国2杨雷1王飞1马超1刘博语1崔谦1刘速11大庆油田水务公司2青海油田勘探事业部摘要:由于油田含油污泥的成分日趋复杂,导致现有热化学清洗-离心工艺的药剂和参数已不能满足处理要求。为了有效处理油田生产过程中产生的含油污泥,减少对自然环境的破坏,以某油田含油污泥为处理对象,采用单因素分析方法,分别以热洗药剂种类、投加量、泥水比、热洗温度、离心转数为变量,通过投加化学药剂、热水对含油污泥进行化学热洗,再经离心脱水,以脱水后油泥残油率为考核指标,考察不同参数的变化对含油率的影响,优化含油污泥热化学清洗-离心工艺参数。试验结果表明:从处理效果、经济等方面综合考量,采用药剂为OP和BS复配药剂,复配比例为OP∶BS=5∶1,OP药剂投加浓度为500mg/L,BS药剂投加浓度为100mg/L,泥水比1∶4,热洗温度65℃,离心转数为2200r/min为最佳参数,处理效果最佳,清洗后油泥残油率为1.43%,为含油污泥处理站优化运行参数提供技术依据。关键词:含油污泥;热化学清洗;残油率;热洗药剂;热洗温度ExperimentalStudyonOptimizationforThermochemicalCleaning-CentrifugationPro⁃cessParametersofOilySludgeGONGWenkai1,WANGFuguo2,YANGLei1,WANGFei1,MAChao1,LIUBoyu1,CUIQian1,LIUSu11DaqingOilfieldWaterSupplyCompany2ExplorationDepartmentofQingHaiOilfieldCompanyAbstract:Thecompositionofoilysludgeinoilfieldisbecomingmoreandmorecomplex,whichleadstothefactthattheexistingagentsandparametersofthethermochemicalcleaning-centrifugalpro-cesscannolongermeetthetreatmentrequirements.Inordertoeffectivelytreattheoilysludgeproducedinoilfieldproductionprocess,andreducethedamagetonaturalenvironment,theoilysludgeinanoilfieldistakenasthetreatmentobject,thesingle-factoranalysismethodisadopted,andthetypeanddosageofthermalwashingchemicals,mud-to-waterratio,thermalwashingtemperature,andcen-trifugalrevolutionaretakenasvariablesrespectively.Theoilysludgeischemicallythermalwashedbyaddingchemicalsandhotwater,thenitdewateredbycentrifugation.Theresidualoilrateofthedewa-teredsludgeisusedastheindext...