HG 2401-1992 工矿靴
作者:标准资料网 时间:2024-05-14 22:57:13 浏览:8228
来源:标准资料网
基本信息
| 标准名称： | 工矿靴 |
| 中标分类： |
医药、卫生、劳动保护 >>
劳动安全技术 >>
劳动防护用品 |
| ICS分类： |
|
| 替代情况： | 替代GB/T 319-1983 |
| 发布日期： | 1992-10-22 |
| 实施日期： | 1993-07-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版社： | 化学工业出版社 |
| 出版日期： | 1993-07-01 |
| 页数： | 6页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 医药 卫生 劳动保护 劳动安全技术 劳动防护用品
【英文标准名称】:Heatmeterinstallation.Someguidelinesforselecting,installationandoperationofheatmeters
【原文标准名称】:热电偶装置.一些关于热电偶选择,安装和操作指南
【标准号】:PDCR13582-1999
【标准状态】:现行
【国别】:英国
【发布日期】:2008-03-31
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Aheatmeteriscomposedofthreeparts,aflowsensor,atemperaturesensorpairandacalculator.Thecalculatorisaunitwhichcalculatesvolumesandenergyconsumptionusingthevaluesfromthetemperaturesensorsandtheflowsensor.ThemostcommontypeoftemperaturesensorisaresistancethermometerofplatinumtypePt100,Pt500orPt1000.Thesensorsmeasurethetemperaturedifferencebetweentheincomingandoutgoingliquid.Theflowsensorisprobablythemosttroublesomeassemblyoftheheatmeter.Despiteanaccuracyrequirementofonly4-10%itisveryeasytofalloutsidetheselimits.Inordertocountertheseeffectsasfaraspossible,therefollowsasummaryofthevarioustypesofflowsensorandtheiradvantagesanddisadvantages.Thesizingofmeterstomatchtheirrequireddutyfrequentlyturnsouttohavebeenincorrectlyestimatedwhentheheatingplantcommencesoperation.Inmostcasesheatmetersthataretoolargefortheireventualdutyarespecifiedandaccuracyatlowloadsuffersasaresult.Whilstthispaperwillgivesomeguidanceonessentials,itisfeltthatmoreinformationonthistopicwouldbewelcomed.Heatmeteraccuraciesattimesofrapidlychangingheatdemandareunlikelytobehigh.Whilstattimesoflowdemandtheeffectofmeterinaccuracyintermsoflostrevenueislikelytobesmall,rapidchangesinvolvinghighdemandsonthenetworkmaypossiblyhaveimportantimplicationsinlostrevenueifmeterreactiontorapidchangesisslow.Researchintothesubjectseemstohavebeenlargelyneglectedsofar.ThemostcommonlyusedtypesofflowsensorshavebeenlistedinAnnexBandtheeffectonaccuracyofdifferenttypesofdisturbancesforeachofthelistedtypesofflowsensorsareconsidered.Thereislittleinformationontheeffectsofflowandflowdisturbancesontheservicelifeoftheflowsensor,asdistinctfromitseffectonthesensor’saccuracy.Tobewelcomed,therefore,isthelongtermresearchprojectonthistopicinitiatedinGermanywhichshouldresultinusefuldata.
【中国标准分类号】:K61
【国际标准分类号】:17_200_10
【页数】:30P.;A4
【正文语种】:英语
Product Code:SAE AMS5713
Title:Nickel Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings, 53Ni - 19Cr - 11Co - 9.8Mo - 3.2Ti - 1.6Al - 0.006B, Vacuum Melted, Solution and Precipitation Heat Treated
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat-resistant nickel alloy in the form of bars, forgings, flash welded rings, and stock for forging, flash welded rings, or heading.
