基本信息
| 标准名称： | 连续输送设备安装工程施工及验收规范 |
| 英文名称： | Code for construction and acceptance of continuous conveyer equipment installation engineering |
| 中标分类： |
工程建设 >>
工业设备安装工程 >>
机械设备安装工程 |
| ICS分类： |
|
| 替代情况： | TJ 231-4-1978 TJ 231-6-1978;被GB 50270-2010代替 |
| 发布部门： | 国家技术监督局、中华人民共和国建设部 |
| 发布日期： | 1998-08-27 |
| 实施日期： | 1998-12-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2010-12-01 |
| 起草单位： | 机械工业部安装工程标准定额站、中国机械工业安装总公司机械化施工公司、机械部北京起重运输机械研究所、重庆建筑工程学院 |
| 起草人： | 王清训、杨沛生、王纯德、晏文华、陈士佼、郑洪恩、梁保忠、白全辉、董振学、王志全、魏鹏程、李文杰、辛森、梅芳迪 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 1900-01-01 |
| 页数： | 72页 |
适用范围
本规范适用于通用固定式带式输送机、板式输送机、垂直斗式提升机、螺旋输送机、辊子输送机、悬挂输送机、振动输送机、埋刮板输送机、气力输送设备、架空索道、矿井提升机和绞车等安装工程的施工及验收。
前言
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目录
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引用标准
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所属分类： 工程建设 工业设备安装工程 机械设备安装工程
【英文标准名称】:StandardTestMethodforDeterminationofGaseousHexamethyleneDiisocyanate(HDI)inAirwith9-(N-methylaminomethyl)AnthraceneMethod(MAMA)intheWorkplace
【原文标准名称】:利用9-(N-甲氨基甲基)蒽(MAMA)法测定工作场所空气中气态二异腈酸己二酯(HDI)的标准试验方法
【标准号】:ASTMD6562-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D22.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:空气;蒽;测定;气体的;二异腈酸己二酯(HDI);测试方法;试验;工作地点
【英文主题词】:airmonitoring;dualfiltersamplingsystem;hexamethylenediisocyanate;high-performanceliquidchromatography;9-(N-methylaminomethyl)anthracene;samplingandanalysis;workplaceatmospheres
【摘要】:HDIismostlyusedinthepreparationofpaints.Forthelasttenyears,theuseofisocyanatesandtheirindustrialneedshavebeeninconstantgrowth.Diisocyanatesandpolyisocyanatesareirritantstoskin,eyes,andmucousmembranes.Theyarerecognizedtocauserespiratoryallergicsensitization,asthmaticbronchitis,andacuterespiratoryintoxication(4-7).TheAmericanConferenceofGovernmentalIndustrialHygienists(ACGIH)hasadoptedathresholdlimitvalue-timeweightedaverage(TLV-TWA)of0.005ppm(V)or0.034mg/m3(8).TheOccupationalSafetyx0026;HealthAdministrationoftheU.S.DepartmentofLabor(OSHA)hasnotlistedapermissibleexposurelimit(PEL)forHDI(9).DuetoitslowLODandlowrequiredvolume(15L),thistestmethodiswellsuitedformonitoringofrespiratoryandotherproblemsrelatedtodiisocyanatesandpolyisocyanates.Itsshortsamplingtimesarecompatiblewiththedurationofmanyindustrialprocesses,anditslowdetectionlimitwiththeconcentrationsoftenfoundintheworkingarea.1.1Thistestmethodcoversthedeterminationofgaseoushexamethylenediisocyanate(HDI)inairsamplescollectedfromworkplaceandambientatmospheres.Themethoddescribedinthistestmethodcollectsseparatefractions.Onefractionwillbedominatedbyvapor,andtheotherfractionwillbedominatedbyaerosol.Itisnotknownatthepresenttimewhetherthisrepresentsaperfectseparationofvaporandaerosol,andinanycase,therearenotseparateexposurestandardsforvaporandaerosol.Therefore,incomparingtheresultsforisocyanateagainstastandard,resultsfromthetwofractionsshouldbecombinedtogiveasingletotalvalue.Thereasonforsplittingthesampleintotwofractionsistoincreaseanalyticsensitivityforthevaporfractionandalsotogivethehygienistorventilationengineersomeinformationconcerningthelikelystateoftheisocyanatespecies.Theanalysesofthetwofractionsaredifferent,andareprovidedinseparate,linked,standardstoavoidconfusion.Thistestmethodisprincipallyusedtodetermineshorttermexposure(15min)ofHDIinworkplaceenvironmentsforpersonalmonitoringorinambientair.Theanalysisoftheaerosolfractionisperformedseparately,asdescribedinTestMethodD6561.1.2Differentialairsamplingisperformedwithasegregatingdevice.Thevaporfractioniscollectedonaglassfiberfilter(GFF)impregnatedwith9-(N-methylaminomethyl)anthracene(MAMA).1.3Theanalysisofthegaseousfractionisperformedwithahighperformanceliquidchromatograph(HPLC)equippedwithultraviolet(UV)andfluorescencedetectors.1.4Therangeofapplicationofthistestmethod,usingUVandfluorescencedetectorsbothconnectedinserial,hasbeenvalidatedfrom0.006to1.12gofmonomericHDI/2.0mLofdesorptionsolution,whichcorrespondstoconcentrationsequivalentto0.0004to0.075mg/m3ofHDIbasedona15-Lairsample.Thoseconcentrationscorrespondtoarangeofvaporphaseconcentrationsfrom0.06ppb(V)to11ppb(V)andcovertheestablishedthresholdlimitvalue(TLV)valueof5ppb(V).1.5ThequantificationlimitforthemonomericHDI,usingtheUVdetection,hasbeenestablishedas0.012g/2mLofdesorptionsolutionandas0.008g/2mL,usingthefluorescencedetector.Theselimitscorrespondto0.0008mg/m3and0.0005mg/m3respectivelyforanairsampledvolumeof15L.Thesevaluesareequaltotentimesthestandarddeviation(SD)obtainedfromtenmeasurementscarriedoutonastandardsolutionincontactwiththeGFF,whoseconcentrationof0.02g/2mLisclosetotheexpecteddetectionlimit.Thisstandar......
【中国标准分类号】:Z15
【国际标准分类号】:13_040_30
【页数】:6P.;A4
【正文语种】: