铜回收厂生产培训课件.pptx
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铜回收厂生产培训课件.pptx
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DexingCopperRecoveryPlantTraining德兴铜回收厂生产培训,ChemSulphideProcess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FujiawuopenpitandotherwatersourcesatJCCLsDexingCopperMine.富家坞采矿场废水和其他来源,BasicPlantFlow基本工艺流程,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-Cancausemildirritation可能引起轻度刺激RefertoMSDS参考化学品安全说明,FirstAid急救常识,Inhalation吸入-Removetofreshair,obtainmedicalattention转移至空气流通处,采取医护措施SkinContact皮肤接触-Removeexcesspowderandcontaminatedclothing,washwithsoapandplentyofwater.抹去多余颗粒,脱去污染衣物,用大量清水和肥皂冲洗EyeContact眼睛接触-Immediatelygentlyflushwithwaterfor15minuteskeepingtheeyelidswideopenandapart.Obtainmedicalattention立即用清水冲洗15分钟,冲洗时要保持睁开眼睑,采取医护措施RefertoMSDS参考化学品安全说明,RequiredPPEforFlocculent必备个人防护装备,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LargeSpill大泄漏:
i.e.aspillresultingfromthetankfailure例如:
储存罐破裂引起泄漏Action措施:
Washthesolutionintothenearestsumpwithplentyofwater大量清水冲洗泄漏液进最近的污水坑.,SulfuricAcid硫酸,H2SO4Oily,Colorlesstolightyellow,causessevereskin&eyeburns.油状,无色到单黄色,接触后会引起严重的皮肤和眼睛烧伤CanbeaddedwithNaHSintheContactortoobtainoptimalH2Sproduction在铜回收罐中加入硫氢化钠和硫酸,以获得最佳的硫化氢产量,HealthHazards健康危害,Inhalation吸入-Maycausecorrosiveburnstoupperrespiratorysystem可能引起上呼吸道的烫伤SkinContact皮肤接触-CausesSevereburns引起严重烫伤EyeContact眼睛接触-Cancauseirritation,cornealburns,mayresultinpermanentdamage刺激眼睛,灼伤眼结膜,可能引起长远损害RefertoMSDS参考化学品安全说明,FirstAid急救常识,Inhalation吸入-Removetofreshair,obtainmedicalattention转移至空气流通处,采取医护措施SkinContact皮肤接触-Flushwithplentyofwaterfor15minutes,removecontaminatedclothingduringflushing,obtainmedicalhelp用大量清水冲洗15分钟,脱去污染的衣物,采取医护措施EyeContact眼睛接触-Flusheyeswithplentyofwaterfor15minutes,obtainimmediatemedicalhelp用大量清水冲洗15分钟,采取医护措施RefertoMSDS参考化学品安全说明,RequiredPPEforSulfuricAcid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:
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:
Add10%sodaashsolution加入10%碳酸钠溶液;Washtheneutralizedsolutionintothenearestsumpwithplentyofwater大量清水冲洗中和后的泄漏液进最近的污水坑;Excavatethecontaminatedsoilandmixwithlimestone,sodaash,orlime;movethesoiltowastestockpile挖出被污染的泥土,混入石灰石、碳酸钠或石灰;将中和后的泥土堆放到废石场,SodaAsh碳酸钠,Sodiumcarbonate碳酸钠(Na2CO3),isanalkalichemical碱性化学品UsedtoscrubH2SgasproducedfromNaHSbeforeenteringtheatmosphere用于吸收工艺中产生的硫化氢气体,HealthHazards健康危害,Skin&EyeContact-MildtoModerateIrritation皮肤和眼睛的接触:
轻度到中度的刺激性Inhalation-Mayirritatenose,throat&lungs吸入:
刺激鼻子,喉咙和肺部RefertoMSDS参考化学品安全说明,FirstAid急救常识,SkinContact-Washwithplentyofwaterandnon-abrasivesoap.皮肤接触-用清水和肥皂清洗EyeContact-Flushwithplentyofwaterandseekmedicalattention.眼睛接触-用大量清水清洗,医护护理SlightInhalation-Allowvictimtorestinawellventilatedarea.轻微吸入-在通风处休息RefertoMSDS.参考化学品安全说明,RequiredPPEforSodaAsh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.,EQUIPMENTTAGS设备标记,Tanks(TK)反映罐Agitators(AG)搅拌机AirDryer(AD)空气干燥器Pumps(P)泵Valves(V)阀门FilterPress(FP)压滤机GeneralProcessEquipment(EQ)其它工艺设备,InstrumentationTags仪表标记,Pressure(P)压力Level(L)液位Flow(F)流量pH(pH)Indication(I)显示Control(C)控制Alarm(A)警报,ORP(oxidationreductionpotential)氧化还原电位Transmitter(T)变送器Switch(S)开关,Tanks(TK)反应罐,TK106HeadTank酸性水池TK100LimeReactor11号除铁反应罐TK101LimeReactor22号除铁反应罐TK102Deaerationtank脱气池TK104FerricClarifier除铁浓密池,TK200CopperContactor沉铜反应罐TK220ConditioningTank污泥调节池TK230VaporLock氮气调节罐TK205DeaerationTank脱气池TK205CopperClarifier沉铜浓密池TK204Splittertank分水池,Tanks(TK)反应罐Continued续,TK390NitrogenStorage氮气储存罐TK320NaHSStorage硫氢化钠储存罐TK310FlocMake-upTank絮凝剂制备罐TK311FlocDilution絮凝剂稀释罐TK330SulfuricAcidStorage硫酸储存罐,TK600CleanWater清水池TK611LimeStorage11号石灰乳储存罐TK612LimeStorage22号石灰乳储存罐,Measurements测量值,ORP=oxidationreductionpotential氧化还原电位pH=Ameasureofacidityorthealkalinityofasolutionasmeasuredonascaleof0to14.7.0onthepHscalerepresentsneutrality在0-14的范围内表达溶液的酸性或者碱性。
7.0表示溶液为中性Density密度=Mass/Volum
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