HG/T 21551-1995 柱塞式放料阀
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基本信息
| 标准名称： | 柱塞式放料阀 |
| 中标分类： | 化工 >> 化工机械与设备 >> 化工机械与设备零部件 |
| ICS分类： | 化工技术 >> 化工设备 |
| 发布部门： | 化学工业部 |
| 发布日期： | 1995-08-28 |
| 实施日期： | 1996-03-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 45页 |
适用范围
本标准规定了手动柱塞式铸铁放料阀的类型、技术要求及标记。本标准适用于化工、石油化工装置所有带有搅拌器的反应釜之放料及取样。公称压力为0.6MPa，工作温度（介质温度）为0～225℃。
前言
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引用标准
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所属分类： 化工 化工机械与设备 化工机械与设备零部件 化工技术 化工设备
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【英文标准名称】:SpecificationforunfilledenclosuresforthedryterminationofHVcablesfortransformersandreactors
【原文标准名称】:变压器与电抗线圈的高压电缆干燥端子用未充填护套规范
【标准号】:BS6435-1984
【标准状态】:现行
【国别】:英国
【发布日期】:1984-01-31
【实施或试行日期】:1984-01-31
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:变压器;电力电缆;脉冲电压试验;高压电器;余隙距离;电气试验;电抗器;交流变压器;电力变压器;电缆系统;电气元件;电气设备;电缆;定型试验;额定电压;漏电路径;电连接器;电气外壳
【英文主题词】:Alternating-currenttransformers;Clearancedistances;Electriccablesystems;Electriccables;Electricconnectors;Electricenclosures;Electricreactors;Electricalcomponents;Electricalequipment;Electricaltesting;High-voltageequipment;Impulse-voltagetests;Leakagepaths;Powercables;Powertransformers;Ratedvoltage;Transformers;Typetesting
【摘要】:Requirementsforunfilledenclosuresinwhichcoresofcablesterminatewithintheenclosuresandareconnectedtoterminalstherein.Theenclosuresareintendedfortheterminationofimpregnatedpaperinsulatedsolidtypeleadoraluminiumsheathedcableshavingcopperoraluminiumconductors,andfortheterminationofextrudedinsulatedandsheathedcableshavingcopperoraluminiumconductors.
【中国标准分类号】:K41
【国际标准分类号】:29_060_20
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforRockBoltAnchorPullTest
【原文标准名称】:石栓锚定拉力试验的标准试验方法
【标准号】:ASTMD4435-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D18.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:anchors(rock);displacement;fieldtesting;loadingtests;mines;pulltesting;rock;sheartesting;Anchorbolts;Displacement--rockenvironments;Fieldtesting--rock;Loadingtests--rock/relatedmaterials;Mines;Pulltesting;Rockmaterials/properties
【摘要】:Rockboltsareusedforsupportinavarietyofminingandcivilengineeringsituations.Thepulltestmaybeusedtoprovideaquantitativemeasureoftherelativeperformanceofdifferentanchorsystemsinthesamerocktype.Anchorsystemsmaybedifferentmechanicalanchorsordifferentbondmaterialsorlengthsforgroutedanchors.Suchdatacanbeusedtochooseananchortypeanddetermineboltlength,spacing,andsize.Theobjectiveofthemethodistomeasureanchorperformance,andnottheperformanceoftherockboltitself.Thus,toensurethattheboltresponseduringthetestisminimalandpredictable,highstrength,short-length(6to8ft(1.8to2.5m))boltshavebeenspecified.Theboltshouldbejustlongenoughtoensurethatnofailureoftherockmassoccurs.Ideally,therockboltanchorshouldfailbyshearattheanchor-rockinterfaceorbond.Therefore,thelocalcharacteristicsoftherock,suchasroughnessandinducedfractures,aresignificantfactorsintheanchorstrength.Toobtainrealisticstrengthvalues,thetestholesshouldbedrilledusingthesamemethodsastheconstructionrockboltholes.Rockswithsignificanttime-dependentbehavior,suchasrocksaltorshale,mayrespondtotheanchorsystemitselfandchangetheanchorstrength.Inthesecases,considerationshouldbegiventotestingboltsoveraperiodoftime.Inestablishingatestingprogram,thefollowingfactorsshouldbeconsidered:Anchorpulltestsshouldbeconductedinallrocktypesinwhichconstructionboltswillbeinstalled.Iftherockisanisotropic,forexample,beddedorschistose,thetestsshouldbeconductedinvariousorientationsrelativetotheanisotropy,includingthoseatwhichtheconstructionboltmaybeinstalled.Ineachrocktype,ateachorientation,andforeachanchorsystem,asufficientnumberoftestsshouldbeconductedtodeterminetheaverageboltcapacitieswithinafixeduncertaintyatthe95%confidencelevel.Theallowableuncertaintybanddependsontheprojectandinvolvessuchfactorsastherockquality,expectedprojectlifetime,andimportanceoftheareastobebolted.Itsdeterminationwillrequireconsiderableengineeringjudgment.Asaroughguideline,atleast10to12pulltestsforasinglesetofvariableshavebeenfoundnecessarytosatisfythestatisticalrequirements.Note18212;Notwithstandingthestatementsonprecisionandbiascontainedinthistestmethod;theprecisionofthistestmethodisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting.UsersofthistestmethodarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliabletesting.Reliabletestingdependsonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Theobjectiveofthistestmethodistomeasuretheworkingandultimatecapacitiesofarockboltanchor.Thismethoddoesnotmeasuretheentireroofsupportsystem.Thismethodalsodoesnotincludetestsforpretensionedboltsormineroofsupportsystemevaluation.1.2Thistestmethodisapplicabletomechanical,cementgrout,resin,(epoxy,polyester,andthelike),orothersimilaranchorsystems.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026......
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:6P.;A4
【正文语种】:英语
【原文标准名称】:变压器与电抗线圈的高压电缆干燥端子用未充填护套规范
【标准号】:BS6435-1984
【标准状态】:现行
【国别】:英国
【发布日期】:1984-01-31
【实施或试行日期】:1984-01-31
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:变压器;电力电缆;脉冲电压试验;高压电器;余隙距离;电气试验;电抗器;交流变压器;电力变压器;电缆系统;电气元件;电气设备;电缆;定型试验;额定电压;漏电路径;电连接器;电气外壳
【英文主题词】:Alternating-currenttransformers;Clearancedistances;Electriccablesystems;Electriccables;Electricconnectors;Electricenclosures;Electricreactors;Electricalcomponents;Electricalequipment;Electricaltesting;High-voltageequipment;Impulse-voltagetests;Leakagepaths;Powercables;Powertransformers;Ratedvoltage;Transformers;Typetesting
【摘要】:Requirementsforunfilledenclosuresinwhichcoresofcablesterminatewithintheenclosuresandareconnectedtoterminalstherein.Theenclosuresareintendedfortheterminationofimpregnatedpaperinsulatedsolidtypeleadoraluminiumsheathedcableshavingcopperoraluminiumconductors,andfortheterminationofextrudedinsulatedandsheathedcableshavingcopperoraluminiumconductors.
【中国标准分类号】:K41
【国际标准分类号】:29_060_20
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforRockBoltAnchorPullTest
【原文标准名称】:石栓锚定拉力试验的标准试验方法
【标准号】:ASTMD4435-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D18.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:anchors(rock);displacement;fieldtesting;loadingtests;mines;pulltesting;rock;sheartesting;Anchorbolts;Displacement--rockenvironments;Fieldtesting--rock;Loadingtests--rock/relatedmaterials;Mines;Pulltesting;Rockmaterials/properties
【摘要】:Rockboltsareusedforsupportinavarietyofminingandcivilengineeringsituations.Thepulltestmaybeusedtoprovideaquantitativemeasureoftherelativeperformanceofdifferentanchorsystemsinthesamerocktype.Anchorsystemsmaybedifferentmechanicalanchorsordifferentbondmaterialsorlengthsforgroutedanchors.Suchdatacanbeusedtochooseananchortypeanddetermineboltlength,spacing,andsize.Theobjectiveofthemethodistomeasureanchorperformance,andnottheperformanceoftherockboltitself.Thus,toensurethattheboltresponseduringthetestisminimalandpredictable,highstrength,short-length(6to8ft(1.8to2.5m))boltshavebeenspecified.Theboltshouldbejustlongenoughtoensurethatnofailureoftherockmassoccurs.Ideally,therockboltanchorshouldfailbyshearattheanchor-rockinterfaceorbond.Therefore,thelocalcharacteristicsoftherock,suchasroughnessandinducedfractures,aresignificantfactorsintheanchorstrength.Toobtainrealisticstrengthvalues,thetestholesshouldbedrilledusingthesamemethodsastheconstructionrockboltholes.Rockswithsignificanttime-dependentbehavior,suchasrocksaltorshale,mayrespondtotheanchorsystemitselfandchangetheanchorstrength.Inthesecases,considerationshouldbegiventotestingboltsoveraperiodoftime.Inestablishingatestingprogram,thefollowingfactorsshouldbeconsidered:Anchorpulltestsshouldbeconductedinallrocktypesinwhichconstructionboltswillbeinstalled.Iftherockisanisotropic,forexample,beddedorschistose,thetestsshouldbeconductedinvariousorientationsrelativetotheanisotropy,includingthoseatwhichtheconstructionboltmaybeinstalled.Ineachrocktype,ateachorientation,andforeachanchorsystem,asufficientnumberoftestsshouldbeconductedtodeterminetheaverageboltcapacitieswithinafixeduncertaintyatthe95%confidencelevel.Theallowableuncertaintybanddependsontheprojectandinvolvessuchfactorsastherockquality,expectedprojectlifetime,andimportanceoftheareastobebolted.Itsdeterminationwillrequireconsiderableengineeringjudgment.Asaroughguideline,atleast10to12pulltestsforasinglesetofvariableshavebeenfoundnecessarytosatisfythestatisticalrequirements.Note18212;Notwithstandingthestatementsonprecisionandbiascontainedinthistestmethod;theprecisionofthistestmethodisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting.UsersofthistestmethodarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliabletesting.Reliabletestingdependsonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Theobjectiveofthistestmethodistomeasuretheworkingandultimatecapacitiesofarockboltanchor.Thismethoddoesnotmeasuretheentireroofsupportsystem.Thismethodalsodoesnotincludetestsforpretensionedboltsormineroofsupportsystemevaluation.1.2Thistestmethodisapplicabletomechanical,cementgrout,resin,(epoxy,polyester,andthelike),orothersimilaranchorsystems.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026......
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:6P.;A4
【正文语种】:英语
