ISA-77.41-1992 - Fossil Fuel Power Plant Boiler Combustion Controls

ISA-77.41-1992 - Fossil Fuel Power Plant Boiler Combustion Controls

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时间:2019-10-18

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1、STANDARDISA–77.41–1992FormerlyISA–S77.41–1992FossilFuelPowerPlantBoilerCombustionControlsApproved9October1992TMISATheInstrumentation,–Systems,andAutomationSocietyISBN1-55617-108-0ISA-77.41-1992,FossilFuelPowerPlantBoilerCombustionControlsCopyright¤1992bytheInstrumentSocietyofAmerica.Allright

2、sreserved.PrintedintheUnitedStatesofAmerica.Nopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmittedinanyformorbyanymeans(electronic,mechanical,photocopying,recording,orotherwise),withoutthepriorwrittenpermissionofthepublisher.ISA67AlexanderDriveP.O.Box12277ResearchTrian

3、glePark,NorthCarolina27709PrefaceThisprefaceisincludedforinformationalpurposesandisnotapartofISA-77.41-1992.ThisstandardhasbeenpreparedasapartoftheserviceofISAtowardsagoalofuniformityinthefieldofinstrumentation.Tobeofrealvalue,thisdocumentshouldnotbestatic,butshouldbesubjecttoperiodicreview.

4、Towardthisend,theSocietywelcomesallcommentsandcriticismsandasksthattheybeaddressedtotheSecretary,StandardsandPracticesBoard,ISA,67AlexanderDrive,P.O.Box12277,ResearchTrianglePark,NorthCarolina27709,Telephone(919)549-8411,e-mail:standards@isa.org.TheISAStandardsandPracticesDepartmentisawareof

5、thegrowingneedforattentiontothemetricsystemofunitsingeneral,andtheInternationalSystemofUnits(SI)inparticular,inthepreparationofinstrumentationstandards.TheDepartmentisfurtherawareofthebenefitstoU.S.A.usersofISAStandardsofincorporatingsuitablereferencestotheSI(andthemetricsystem)intheirbusine

6、ssandprofessionaldealingswithothercountries.Towardthisend,thisDepartmentwillendeavortointroduceSI-acceptablemetricunitsinallnewandrevisedStandardstothegreatestextentpossible.TheMetricPracticeGuide,whichhasbeenpublishedbytheInstituteofElectricalandElectronicEngineersasANSI/IEEEStandard268-198

7、2,andfuturerevisionswillbereferenceguidefordefinitions,symbols,abbreviations,andconversionfactors.ItisthepolicyoftheISAtoencourageandwelcometheparticipationofallconcernedindividualsandinterestsinthedevelopmentofISAStandards.ParticipationintheISAsta

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