HJ/T 319-2006 环境保护产品技术要求 花岗石类湿式烟气脱硫除尘装置
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时间:2024-05-16 12:03:13
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基本信息
标准名称: | 环境保护产品技术要求 花岗石类湿式烟气脱硫除尘装置 |
英文名称: | Specifications for environmental protection product Wet flue-gas desulphurization & precipitator device |
中标分类: |
机械 >>
通用机械与设备 >>
环境保护设备 |
ICS分类: |
|
替代情况: | 替代HCRJ 040-1999 |
发布日期: | 2006-11-22 |
实施日期: | 2007-02-01 |
首发日期: | |
作废日期: | |
出版社: | 中国环境科学出版社 |
出版日期: | 2007-02-01 |
页数: | 6页 |
适用范围
本标准规定了花岗石类湿式烟气脱硫除尘装置的技术要求、检验规则、试验方法和其它要求。本标准适用于以喷淋、冲激、水膜、各种塔板、文丘里等及其组合为原理,采用花岗石类为材料,配用在锅炉和工业炉窑上的花岗石类湿式烟气脱硫除尘装置。
前言
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引用标准
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所属分类: 机械 通用机械与设备 环境保护设备
【英文标准名称】:StandardPracticeforDeterminingtheInclusionorSecond-PhaseConstituentContentofMetalsbyAutomaticImageAnalysis
【原文标准名称】:用自动图象分析法测定钢和其他金属杂质含量的规程
【标准号】:ASTME1245-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:E04.14
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:exogenousinclusion;feature-specificmeasurements;fieldmeasurements;imageanalysis;inclusions;indigenousinclusions;lightmicroscopy;oxide;second-phaseparticles;statisticalanalysis;stereology;sulfide;Photomicrography;Second-phase
【摘要】:Thispracticeisusedtoassesstheindigenousinclusionsorsecond-phaseconstituentsofmetalsusingbasicstereologicalproceduresperformedbyautomaticimageanalyzers.Thispracticeisnotsuitableforassessingtheexogenousinclusionsinsteelsandothermetals.Becauseofthesporadic,unpredictablenatureofthedistributionofexogenousinclusions,othermethodsinvolvingcompleteinspection,forexample,ultrasonics,mustbeusedtolocatetheirpresence.Theexactnatureoftheexogenousmaterialcanthenbedeterminedbysectioningintothesuspectregionfollowedbyserial,step-wisegrindingtoexposetheexogenousmatterforidentificationandindividualmeasurement.Directsizemeasurementratherthanapplicationofstereologicalmethodsisemployed.Becausethecharacteristicsoftheindigenousinclusionpopulationvarywithinagivenlotofmaterialduetotheinfluenceofcompositionalfluctuations,solidificationconditionsandprocessing,thelotmustbesampledstatisticallytoassessitsinclusioncontent.Thelargestlotsampledistheheatlotbutsmallerlots,forexample,theproductofaningot,withintheheatmaybesampledasaseparatelot.Thesamplingofagivenlotmustbeadequateforthelotsizeandcharacteristics.Thepracticeissuitableforassessmentoftheindigenousinclusionsinanysteel(orothermetal)productregardlessofitssizeorshapeaslongasenoughdifferentfieldscanbemeasuredtoobtainreasonablestatisticalconfidenceinthedata.Becausethespecificsofthemanufactureoftheproductdoinfluencethemorphologicalcharacteristicsoftheinclusions,thereportshouldstatetherelevantmanufacturingdetails,thatis,dataregardingthedeformationhistoryoftheproduct.Tocomparetheinclusionmeasurementresultsfromdifferentlotsofthesameorsimilartypesofsteels,orothermetals,astandardsamplingschemeshouldbeadoptedsuchasdescribedinPracticeE45.Thetestmeasurementproceduresarebasedonthestatisticallyexactmathematicalrelationshipsofstereologyforplanarsurfacesthroughathree-dimensionalobjectexaminedusingreflectedlight(seeNote1).Theorientationofthesectioningplanerelativetothehot-workingaxisoftheproductwillinfluencetestresults.Ingeneral,alongitudinallyorientedtestspecimensurfaceisemployedinordertoassessthedegreeofelongationofthemalleable(thatis,deformable)inclusions.Oxideinclusionmeasurementsforcastmetals,orforwroughtsectionsthatarenotfullyconsolidated,maybebiasedbypartialorcompletedetectionoffineporosityormicroshrinkagecavitiesandarenotrecommended.Sulfidescanbediscriminatedfromsuchvoidsinmostinstancesandsuchmeasurementsmaybeperformed.Resultsofsuchmeasurementsmaybeusedtoqualifymaterialforshipmentaccordingtoagreeduponguidelinesbetweenpurchaserandmanufacturer,forcomparisonofdifferentmanufacturingprocessesorprocessvariations,ortoprovidedataforstructure-property-behaviorstudies.1.1Thispracticedescribesaprocedureforobtainingstereologicalmeasurementsthatdescribebasiccharacteristicsofthemorphologyofindigenousinclusionsinsteelsandothermetalsusingautomaticimageanalysis.Thepracticecanbeappliedtoprovidesuchdataforanydiscretesecondphase.Note18212;Stereologicalmeasurementmethodsareusedinthispracticetoassesstheaveragecharacteristicsofinclusionsorothersecond-phaseparticlesonalongitudinalplane-of-polish.Thisinformation,byitself,doesnotproduceathree-dimensionaldescriptionoftheseconstituentsinspaceasdeformationprocessescauserotationandalignmentoftheseconstituentsinapreferredmanner.Developmentofsuchinforma......
【中国标准分类号】:H26
【国际标准分类号】:77_040_99
【页数】:8P.;A4
【正文语种】:英语
Product Code:SAE AMS5694
Title:Steel, Corrosion and Heat Resistant, Welding Wire 27Cr - 21.5Ni
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat resistant steel in the form of welding wire.