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  • 简介:引言目前,船用燃料油市场一直处于无序竞争状态,燃料油中普遍掺加部分廉价劣质组分以降低成本,但这使得船用燃料油产品质量参差不齐,船东也因此成为惊弓之鸟,燃料油质量争议频发。燃料油的质量争议,通常指在船舶发生燃料油使用问题或者在使用燃料油之前对产品的可接受性(主要是合格性)产生争议.

  • 标签: 船用燃料油 油质量 ISO 应用 产品质量 竞争状态
  • 简介:船舶燃料供应企业面临的船舶油污染风险是不可回避的重大风险,本文试从船舶污染赔偿的范围、原则谈起,介绍国际、国内船舶污染损害赔偿机制,对我国油污染损害赔偿现状做了分析研究,最后就租船供油面临的船舶污染损害赔偿风险做了探讨并提出了有关对策建议。船舶海上运输是一种具有极大风险的活动,石油及其产品的运输和相关活动(如船舶供受油作业、

  • 标签: 船舶燃料 重大风险 损害赔偿 油污染 租船 企业
  • 简介:安庆中船柴油机有限公司历时三年研发、设计、制造的ACD320天然气/双燃料发动机目前正式投产。中国船级社(CCS)与法国船级社(BV)分别为该发动机颁发了型式认可证书、设计认可证书。该产品是安柴公司承担的国家级科研项目,

  • 标签: 双燃料发动机 天然气 法国船级社 认可证书 中国船级社 科研项目
  • 简介:Strongrestrictionsonemissionsfrommarinepowerplants(particularlySOx,NOx)willprobablybeadoptedinthenearfuture.Inthispaper,acombinedsolidoxidefuelcell(SOFC)andsteamturbinefuelledbynaturalgasisproposedasanattractiveoptiontolimittheenvironmentalimpactofthemarinesector.TheanalyzedvariantofthecombinedcycleincludesaSOFCoperatedwithnaturalgasfuelandasteamturbinewithasingle-pressurewasteheatboiler.ThecalculationswereperformedfortwotypesoftubularandplanarSOFCs,eachwithanoutputpowerof18MW.Thispaperincludesadetailedenergyanalysisofthecombinedsystem.Massandenergybalancesareperformednotonlyforthewholeplantbutalsoforeachcomponentinordertoevaluatethethermalefficiencyofthecombinedcycle.Inaddition,theeffectsofusingnaturalgasasafuelonthefuelcellvoltageandperformanceareinvestigated.Ithasbeenfoundthatahighoverallefficiencyapproaching60%maybeachievedwithanoptimumconfigurationusingtheSOFCsystem.Thehybridsystemwouldalsoreduceemissions,fuelconsumption,andimprovethetotalsystemefficiency.

  • 标签: marine STEAM TURBINE natural gas FUEL
  • 简介:Theprogressofeconomicglobalization,therapidgrowthofinternationaltrade,andthemaritimetransportationhasplayedanincreasinglysignificantroleintheinternationalsupplychain.Asaresult,worldwideseaportshavesufferedfromacentralproblem,whichappearsintheformofmassiveamountsoffuelconsumedandexhaustgasfumesemittedfromtheshipswhileberthed.Manyportshavetakenthenecessaryprecautionstoovercomethisproblem,whileothersstillsufferduetothepresenceoftechnicalandfinancialconstraints.Inthispaper,thebarriers,interconnectionstandards,rules,regulations,powersources,andeconomicandenvironmentalanalysisrelatedtoships,shore-sidepowerwerestudiedineffortstofindasolutiontoovercomehisproblem.Asacasestudy,thispaperinvestigatesthepracticability,costsandbenefitsofswitchingfromonboardshipauxiliaryenginestoshore-sidepowerconnectionforhigh-speedcraftscalledAlkaherawhileberthedattheportofSafaga,Egypt.Theresultsprovidethenationalelectricitygridconceptasthebesteconomicalselectionwith49.03percentofannualcostsaving.Moreover,environmentally,itcouldachieveanannualreductioninexhaustgasemissionsofCO2,CO,NOx,P.M,andSO2by276,2.32,18.87,0.825and3.84tons,respectively.

  • 标签: exhaust gas EGYPTIAN national electric grid