【英文标准名称】:Water-tubeboilersandauxiliaryinstallations-General
【原文标准名称】:水管锅炉和辅助设备.总则
【标准号】:BSEN12952-1-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2002-04-29
【实施或试行日期】:2002-04-29
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:消费者与供货者的关系;定义;术语;交付;交货条件;发电站;总论;指南;监测用装置;维护;定单;设备;采购;质量要求;规范(验收);规范;蒸汽锅炉;汽化;调查;容器;水管锅炉
【英文主题词】:Consumer-supplierrelations;Definition;Definitions;Delivery;Deliveryconditions;Electricpowerstations;Generalsection;Guidelines;Installationsinneedofmonitoring;Maintenance;Orders(salesdocuments);Plant;Procurements;Qualityrequirements;Specification(approval);Specifications;Steamboilers;Steamgeneration;Surveys;Vessels;Water-tubeboilers
【摘要】:1GeneralThisEuropeanStandardappliestowater-tubeboilerswithvolumesinexcessof2litresforthegenerationofsteamand/orhotwateratanallowablepressuregreaterthan0,5barandwithatemperatureinexcessof110?aswellasauxiliaryinstallations(otherplantequipment).ThepurposeofthisEuropeanStandardistoensurethatthehazardsassociatedwiththeoperationofwater-tubeboilersarereducedtoaminimumandthatadequateprotectionisprovidedtocontainthehazardsthatstillprevailwhenthewater-tubeboilerisputintoservice.Thisprotectionwillbeachievedbytheproperapplicationofthedesign,manufacturing,testingandinspectionmethodsandtechniquesincorporatedinthevariouspartsofthisEuropeanStandard.Whereappropriate,adequatewarningofresidualhazardsandthepotentialformisusearegiveninthetrainingandoperatinginstructionsandlocaltotheequipmentconcerned(seeprEN12952-8,prEN12952-9andprEN12952-16).2BoilerassemblyForthepurposeofthisstandard,theboilerassemblyincludes:a)thewater-tubeboilerincludingallthepressurepartsfromthefeedwaterinlet(includingtheinletvalve)uptoandincludingthesteamand/orhotwateroutlet(includingtheoutletvalveor,ifthereisnovalve,thefirstcircumfer-entialweldorflangedownsteamoftheoutletheader).Allsuperheaters,reheaters,economizers,theassociatedsafetyaccessoriesandinterconnectingtubingthatareheatedbymeansofthegasesofcombustionandarenotcapableofisolationfromthemainsystembyinterposingshut-offvalves.Additionally,thetubingthatisconnectedtotheboilerinvolvedinservicessuchasdraining,venting,desuper-heating,etc.,uptoandincludingthefirstisolatingvalveinthetubinglinedownstreamoftheboiler.Reheaterswhichareheatedbythefluegasorindependentlyfired,andareseparatelyprovidedwiththeirsafetyaccessoriesincludingallcontrolandsafetysystems.b)isolatablesuperheaters,reheaters,economizersandrelatedinterconnectingtubing;c)theheatsupplyorfiringsystem;d)themeansofpreparingandfeedingthefueltotheboilerincludingthecontrolsystems;e)themeansofprovidingtheboilerwithfeedwaterincludingthecontrolsystem;f)thepressureexpansionvesselsandtanksofhotwatergeneratingplant.3Otherplantequipmenta)theboilersupportingstructuralsteelwork,thethermalinsulationand/orbrickworkandthecasing;b)themeansofprovidingtheboilerwithairincludingtheforceddraughtfansandairpre-heaterswhichareheatedbythegasesofcombustion;c)thefacilitiesformovingfluegasesthroughtheboileruptothestackinlet,includingtheinduceddraughtfansandtheairpollutionreducingequipmentlocatedinthefluegasremovalpath;d)allotherequipmentnecessaryfortheoperationoftheboilerplant.Foradescriptionofthetypesofoperatingsystemsusedforwater-tubeboilerplant,seeprEN12952-7.4ExclusionsThisEuropeanStandarddoesnotapplytothefollowingtypesofboilerplant:a)boilersotherthanstationaryboilers;b)shelltypeboilersincludingelectricalboilers;c)nuclearprimarycircuits,thefailureofwhichcancauseanemissionofradioactivity.
【中国标准分类号】:J98
【国际标准分类号】:27_040
【页数】:20P.;A4
【正文语种】:英语

标准名称：	落地铣镗床 主轴端部 铣轴端部尺寸
中标分类：	机械 >> 金属切削机床 >> 钻、镗、铣床
ICS分类：	机械制造 >> 机床 >> 镗床和铣床
替代情况：	JB 4366.2-1986;被JB/T 4366.2-2011代替
发布部门：	全国金属切削机床标委会镗床分会
发布日期：	1999-05-20
实施日期：	2000-01-01
首发日期：	1900-01-01
作废日期：	2011-08-01
归口单位：	全国金属切削机床标委会镗床分会
出版日期：	1900-01-01
页数：	4 页
批文号：	国机管[1999]283号

JB/T 4366.2-1999 本标准是对 JB 4366.2-86《落地铣镗床 铣轴端部尺寸》的修订，修订时仅按有关规定作了编辑性修改，主要技术内容没有改变。 本标准是 JB/T 4366《落地铣镗床》系列标准的一部分，该系列标准包括以下三个部分： JB/T 4366.1 镗轴端部尺寸 JB/T 4366.2 铣轴端部尺寸 JB/T 4366.3 主轴端面键尺寸 本标准规定了落地铣镗床镗轴端部的型式和尺寸。 本标准适用于铣轴直径 1300~2600mm 落地铣镗床的铣轴。 本标准于 1986 年 12 月首次发布。

没有内容

没有内容

没有内容