安全培训(加拿大)

DexingCopperRecoveryPlantTraining德兴铜回收厂生产培训ChemSulphide®Process化学硫化工艺Introduction简介TheDexingChemsulphideCopperRecoveryPlantisdesignedwithahydrauliccapacityof24,000m3/dayrecoveringapproximately12,000lbs.ofcopper.Theplantwilltreatacidicdrainagefromthefollowingsources德兴化学硫化法铜回收厂的设计能力为每天处理24,000立方米水，回收12,000磅铜。回收厂处理的含铜水来自于以下来源：»Yangtaowuaciddrainage杨桃坞酸性水»Zhujiaraffinate祝家萃余液»Zhujiapregnantleachsolution(PLS)duringwetseasons雨季期间祝家堆浸液»UndergroundstreamfromanaditatFujiawu富家坞地下矿井废水»FujiawuopenpitandotherwatersourcesatJCCL’sDexingCopperMine.富家坞采矿场废水和其他来源BasicPlantFlow基本工艺流程除铁反应罐1药剂沉铜反应罐除铁反应罐2除铁浓密池沉铜浓密池废石堆进水PLANTAREAS厂区分布•FeedLoop进水区•FerricRemovalLoop除铁区•CopperRecoveryLoop沉铜区•DewateringLoop脱水区•ReagentLoop药剂区•ServiceLoop辅助服务区PlantComponents厂区组成要素Reagents药剂•Lime石灰•NaHS硫氢化钠•Flocculent絮凝剂•SulfuricAcid硫酸•Nitrogen氮气•SodaAsh碳酸钠Equipment设备•Tanks反应罐•Agitators搅拌机•Clarifiers浓密池•Pumps泵•Valves阀门•Instrumentation仪表•Filterpress压滤机Reagents药剂•Lime石灰•NaHS硫氢化钠•Flocculent絮凝剂•SulfuricAcid硫酸•Nitrogen氮气•SodaAsh碳酸钠HydratedLime熟石灰HydratedLime熟石灰-Ca(OH)2氢氧化钙Alkaline碱性,Slightearthyodor轻微的泥质气味,finewhitishpowder白色细粉末.Mainlyusedforneutralization.通常用于中和酸性UsedonsitetoincreasepH&precipitateFerricironfromPLS在回收厂的用途为提高酸性水的pH值，沉淀3价铁离子HealthHazards健康危害SkinContact,maycausesevereirritation,removesnaturalskinoils.皮肤接触：引起刺激性，使皮肤表面脱油Brushawayexcessandremovecontaminatedclothing,washwithsoap&water紧急措施：抹去多余粉末，脱下污染的衣服，用肥皂和清水清洗EyeContact,Severeirritationandburning.眼睛接触：严重刺激和灼伤紧急措施：Flushwithwater15-20minutes用清水冲洗15-20分钟Inhalation,irritationtobreathingpassages,coughing,sneezing.吸入：刺激呼吸道、咳嗽、打喷嚏紧急措施：Movetosourceoffreshair转移到空气流通处•RefertoMSDS参考化学品安全说明FirstAid急救常识SkinContact,皮肤接触Brushawayexcessandremovecontaminatedclothing,washwithsoap&water抹去多余粉末，脱下污染的衣服，用肥皂和清水洗EyeContact,眼睛接触Flushwithwater15-20minutes用清水冲洗15-20分钟Inhalation,吸入Movetosourceoffreshair转移到空气流通处•RefertoMSDS参考化学品安全说明RequiredPPEforHydratedlime必备个人安全装备•DryGloves手套•Longsleeveshirt长袖外衣•DustMask防尘口罩•EyeProtection防护眼镜•SteeltoeBoots铁头工作鞋•Hardhat安全帽ReleaseAction泄漏事故时的措施•SmallSpill小泄漏:i.e.aspillresultingfromthepipefailure例如：管道破裂引起泄漏Action措施：Washthesolutionintothenearestsumpwithplentyofwater大量清水冲洗泄漏液进最近的污水坑.ReleaseActionContinued泄漏事故时的措施续•LargeSpill大泄漏:i.e.aspillresultingfromthetankfailure例如：储存罐破裂引起泄漏Action措施：Addaveryweakacid(i.e.aceticacid)加入弱酸，如醋酸；Washtheneutralizedsolutionintothenearestsumpwithplentyofwater大量清水冲洗中和后的泄漏液进最近的污水坑；Excavatethecontaminatedsoilandaddtheweakacid;movethesoiltowastestockpile挖出被污染的泥土，加入弱酸；将中和后的泥土堆放到废石场SodiumHydrosulfide硫氢化钠(NaHS)NaHS-Veryalkaline,pH11.5-12.5.弱碱性Solutionistypicallyyellowtodarkgreenwithastronghydrogensulfide(rottenegg)odor.黄色到深绿色的液体，带有强烈的硫化氢气味（臭鸡蛋味）PrecipitatescopperatoptimumpHlevels在适应的pH条件下沉淀铜离子VaporspaceoverNaHSsolutioncontainstoxichydrogensulfide(H2S).Thisgasiscolorlessandheavierthanair.ThelevelofH2Sabovethesolutionisincreasedbysolutioncontactwithacidicmaterials(PLS).硫化氢钠溶液的挥发气体含有有毒的硫化氢气体，该气体是无色的，比空气比重大。当硫氢化钠溶液和酸性水接触后，硫化氢气体的浓度将增加。HealthHazards健康危害InhalationofH2Svaporsisverydangerous.Exposureto100-200PPMofgascauseslossofsenseofsmell,coughing,choking,eyeirritation,headache,dizziness.Continuedlowexposureortomorethan700PPMwillresultinunconsciousness,respiratoryparalysisanddeath.硫化氢气体的吸入市非常危险的。吸入100-200微克/升浓度的气体将会是人失去嗅觉、咳嗽、窒息、刺激眼睛、头疼和晕眩。持续接触低浓度或接触高于700毫克/升浓度的硫化氢气体，会导致失去知觉、呼吸紊乱、死亡HealthHazards健康危害Skin&EyeContactcanresultin2nd&3rddegreeburnsandpotentiallyseverecornealeyeinjury.皮肤和眼睛接触：导致2级和3级烫伤，可能引起严重的眼角膜损伤FirstAid急救常识•Inhalation吸入:Getvictimtofreshair转移至空气流通处•EyeContact眼睛接触:Flushentireeyethoroughlyfor15minutes.Getimmediatemedicalhelp.清水冲洗15分钟，立即采取医护措施•SkinContact皮肤接触:Flushexposedareawithlotsofwater,removecontaminatedclothing.大量清水冲洗，脱去被污染衣物•Ingestion误食:DONOTINDUCEVOMITING,Drink2-4glassesofwater.不用催吐，立即喝2-4杯清水RequiredPPEforNaHS必备个人防护装备•NeopreneGloves&apron氯丁橡胶手套和防护板•Chemicalboots防化学品的工作靴•Chemicalgoggles&fullfaceshield防化学品的护目镜和护脸罩•Hardhat安全帽GreaterExposure高浓度接触•SCBAorAirsuppliedrespirator自携式呼吸器ReleaseAction泄漏事故时的措施•SmallSpill小泄漏:i.e.aspillresultingfromthepipefailure例如：管道破裂引起泄漏Action措施：Addthedilutedhydrogenperoxide(3-5%))orweaksodiumhypochlorite加入稀释的过氧化氢（3-5%）或次氯酸钠；Washtheneutralizedsolutionintothenearestsumpwithplentyofwater大量清水冲洗中和后的泄漏液进最近的污水坑.ReleaseActionContinued泄漏事故时的措施续•LargeSpill大泄漏:i.e.aspillresultingfromthetankfailure例如：储存罐破裂引起泄漏Action措施：Addthedilutedhydrogenperoxide(3-5%))orweaksodiumhypochlorite加入稀释的过氧化氢（3-5%）或次氯酸钠；Addaveryweakacid(i.e.aceticacid)加入弱酸，如醋酸；Washtheneutralizedsolutionintothenearestsumpwithplentyofwater大量清水冲洗中和后的泄漏液进最近的污水坑；Excavatethecontaminatedsoilandaddthedilutedhydrogenperoxide(3-5%))orweaksodiumhypochlorite;movethesoiltowastestockpile挖出被污染的泥土，加入稀释的过氧化氢（3-5%）或次氯酸钠；将氧化后的泥土堆放到废石场Flocculent絮凝剂•Whitegranularpowder,slightodor.白色颗粒状，轻微气味•Veryslipperywhenitbecomeswet.潮湿时非常粘滑•Causessuspendedparticlesinliquidstoaggregate,formingafloctoincreaseprecipitationandclarityofoverflow.使溶液中的悬浮颗粒聚集，形成絮凝体以提高颗粒沉降性和出水澄清度HealthHazards健康危害•Inhalation吸入-Maycauseirritationofmucousmembranes可能刺激呼吸道粘膜•SkinContact皮肤接触-Maycauseirritationwithprolongedcontact.长时间接触可能引起刺激性•EyeContact眼睛接触-Can