[优秀毕业设计精品]高炉喷煤喷吹自动化控制系统设计

A1A2I摘要本次毕业设计主要阐述了高炉喷煤喷吹自动化控制系统，不包括制粉过程的控制，控制范围是从煤粉仓、中间罐、喷吹罐、喷吹总管、由炉前煤粉分配器到喷吹支管的自动控制过程。本次毕业设计只考虑了一个喷煤喷吹序列作为控制对象。本次设计包含课题本身的背景、由来、意义、主要工艺类型、国内外高炉喷煤喷吹技术的发展现状以及对未来发展的展望；阐述了所需传感器、阀、开关等硬件设备，主要进行了煤粉从煤粉仓到中间罐倒罐控制，煤粉从中间罐到喷吹罐倒罐控制，煤粉从喷吹罐喷到高炉风口中的控制，停喷控制，中间罐和喷吹罐的压力控制，煤粉仓、中间罐及喷吹罐温度、压力的安全连锁控制，喷吹风压力的自动测量等控制项目；本设计主要选用的PLC控制系统的选型、硬件配置选择、IG18G50G15932G13546G1901、硬件G6521G13459G3282的G13484制的工作。G3关键词PLC；高炉喷煤；传感器ABSTRACTIIABSTRACTTHEGRADUATIONPROJECTFOCUSEDONTHEAUTOMATICCONTROLOFBLASTFURNACECOALINJECTIONSYSTEM,DOESNOTINCLUDECOALGRINDINGPROCESSCONTROLCNTROLTHEPROCESSOFAUTOMATIONANDCONTROL,INCLUDINGOCOALPOWDERSTORAGEWAREHOUSE,THEMIDDLETANK,THEINJECTIONTANK,INJECTIONEXPLORER,FRONTENDFROMTHEBLASTFURNACECOALINJECTIONPOWDERDISTRIBUTIONDEVICETOTHEBRANCHPIPETHEGRADUATIONPROJECT,APCIONLYCONSIDERASACONTROLLEDINJECTIONSEQUENCETHEDESIGNINCLUDESTHATTHEISSUEOFBACKGROUND,ORIGIN,MEANING,THEMAINTYPEOFTECHNOLOGY,ATHOMEANDABROADPCIJETTECHNOLOGYDEVELOPMENTPROSPECTSANDTHEFUTUREDEVELOPMENTOFONTHENEEDFORTHESENSORS,VALVES,SWITCHESANDOTHERHARDWAREEQUIPMENTMAINLYCARRIEDOUTCOALPOWDERFROMTHECOALPOWDERPOSITIONTOCONTROLTHEMIDDLEOFTHETANK,PULVERIZEDCOALINJECTIONINTHEMIDDLETANKTOTANKCANBACKCONTROLFROMTHEPULVERIZEDCOALINJECTIONINTOBLASTFURNACETUYERESPRAYCANSOFCONTROL,STOPTHEINJECTIONCONTROL,THEMIDDLETANKANDTHEINJECTIONPRESSURECONTROLTANK,COALSTORES,INTERMEDIATEANDSPRAYCANSBLOWTANKTEMPERATUREANDPRESSURECONTROLOFTHESECURITYCHAIN,HAIRSPRAY,SUCHASAUTOMATICMEASUREMENTOFTHEPRESSURECONTROLPROJECTSTHEDESIGNOFTHEMAINSELECTIONOFTHEPLCCONTROLSYSTEMSELECTION,HARDWARECONFIGURATIONOPTIONS,I/OTABLEPREPAREDMAPPINGHARDWAREWIRINGWORKKEYWORDSPLCBLASTFURNACEPULVERIZEDCOALINJECTIONSENSORA3A0A4A5III详细摘要高炉喷煤技术G3999G1122G20G27G23G19G5192G54G714G48G714G37G68G81G78G86关G1122喷吹G9978G9857和G7092G9907煤的设G5831；G1002G11040G7380G7101的工业G5224用G2375是G7693G6466G17837一设G5831G1122G20G27G23G19G794G20G27G23G24G5192间G3324G8873国G2350G8943G9049G19480G17829的G20544G5693G11477G9872G19093G2390G4466现的。由G8504背景G5353G1998本次毕业设计的题目高炉喷煤喷吹技术的自动化控制。课题主要阐述了高炉喷煤系统的喷吹工艺控制，不包括制粉工艺。G3G3324G8504项技术G1147G10995的一G11346G3822G5192间，发展G2376G11468对G13543G5942，G3534本G7092进展；G11464G14279G21G19G1002G13438G25G19G5192G1207G2033，G8443G8966、中国、G13666国的一G1135工G2390G6177G19482G13505开G3999G3324高炉G990G16809G20576喷煤。G26G50G5192G1207G7423，G12544G1120次G11719G8845G2373G7438的G1998现，G2164G5567了高炉喷煤技术的G11752G12362和发展，G10317G2047是G8443G8966和G7097本G7368是G3324G4466G19481G5224用G990G2474G5483了G18337G3835G12373G11784。G12544一G18108分前G16340中阐述了高炉喷煤的G4462义，G4613是G6363从高炉风口G2533炉内G11464G6521喷吹G11964G13466了的煤粉G708G7092G9907煤、G9907煤G6122G1016G13785的G9163G2524煤粉以及G16100煤G709，以G1207G7379G9978G9857G2533高炉G6564G1391G9921量和还原剂。然后由G4462义G5353G1998了采用G8504项技术的意义，它以低价的煤G1207G7379了G7097趋贫乏且价格昂贵的冶金G9978，降低了G9978化，使高炉G9872G19093的成本G3835幅下降。它是一种调剂炉况的手段，也改善炉缸工作状态，是高炉稳G4462顺行。然后，又介绍了G8504工艺的常用G3534本流程，G7693G6466制粉装置到高炉距离的远G17829、煤粉仓，喷吹罐安放位置的差异、喷吹管路的粗G13466、喷吹压力的高低、输送浓度的G3835小以及喷枪形式的不同，可以有G11464G6521喷吹、间G6521喷吹；串罐喷吹、并罐喷吹；总管喷吹、G3822支管喷吹；高压喷吹、常压喷吹；浓G11468喷吹、稀G11468喷吹和氧煤枪喷吹、常规枪喷吹等各种形式的喷吹。简介描述了几种较成熟的工业性G10995G1147流程G20、德国KVTTNER流程；G21、G13666国阿姆科ARG48CG50流程；3、G7097本住友流程；G23、G7097本川崎流程；G24、卢森堡PG68ULG3WURTH流程；G25、G9163G2524型流程；G26G3英钢联粒煤喷吹流程。再后简要介绍了几种新喷煤工艺，包括G20、富氧G3835喷煤量技术；G21、利用等离子G3835量喷吹煤粉；3、复G2524喷吹技术；G23、粒煤喷吹技术。G3324G12544一G18108分G7380后介绍了我国喷煤喷吹技术现状，进十几G5192G17837项技术G3324国内的进步和存G3324的问题，还包括对我国高炉发展前景的展望。G3G12544G1120G3835G18108分主要阐述了高炉喷煤喷吹自动化控制整体方案。首先对喷吹工艺及检测点布置进行了讲解，其中包括了所选用的三罐串罐喷吹所需放G6967阀、流化阀、G1817压阀、G3355压阀、G9793G9791G8706G8680阀、下G19193形阀、G990G19193形阀、G13485G7021器和下煤G10711阀的分配进行了G8616较G13466G14280的G2477述并G19480G3282对安装位置进行G16840G7138，又对各种所需测量设备G708G3926压力、温度、G18337量、G8680体含量等G709、所需G6980量、安装位置进行了描述。然后G3324G19480G3282的G3534G11796G990进行喷吹控制过程描述。先介绍了G3534本G6817作方式全自动G6817作、手动G6817作和A3A0A4A5IV检G1474G6817作，然后是主要进行的G6817作过程总述G708包括煤粉从煤粉仓到中间罐倒罐控制，煤粉从中间罐到喷吹罐倒罐控制，煤粉从喷吹罐喷到高炉风口中的控制，停G8502G2533高炉喷吹煤粉的控制，安全连锁控制程序G709，G7380后G16826G13466G16840G7138了G1867体G6817作过程。中间罐G2164G7021中间罐G2164G7021前的G7477件为中间罐G5529G20047为G256G12366G1461G2507G257，G3压力G5529G20047小G1122G19G17G19G21G48PG68，放G6967阀G3800G1122G256G6183开G257状态，G1817压阀、流化阀、G990G19193阀和下G19193阀G3800G1122G256关G19393G257状态、中间罐G994喷吹罐G1055间的G3355压阀G3800G1122G256关G19393G257状态；G9397G17287G990述G7477件后G3324进行倒罐G6817作开煤粉仓下G19193形阀，开中间罐G990G19193形阀，关煤粉仓放G6967阀，开煤粉仓流化阀，中间罐G256G7021G9397G257G1461G2507发G1998G7114再进行以下G6817作，关煤粉仓流化阀，开煤粉仓放G6967阀，关煤粉仓下G19193形阀，关中间罐G990G19193形阀，煤粉从煤粉仓到中间罐倒罐顺序G13479G7475，中间罐G3800G1122G256G7021G9397G257位置。喷吹罐G2164G7021喷吹罐内煤量G7186G12046下G19492，自动发G1998G1813G16780G2164G7021G1461G2507，喷吹罐内压力G17810到设G4462G1552，中间罐G256G7021G9397G257；G3倒罐，关中间罐放G6967阀，开中间罐G1817压阀，中间罐G994喷吹罐压差小G1122设G4462G1552G7114，关G19393G1817压阀，G6183开G1016罐间G3355压阀，开中间罐下G19193形阀，开喷吹罐G990G19193形阀，开中间罐流化阀，中间罐G256G7021G12366G257G1461G2507来后，进行下列G6817作，关中间罐流化阀，关中间罐下G19193形阀，关喷吹罐G990G19193形阀，关中间罐G1817压阀，关中间罐G994喷吹罐间G3355压阀，开中间罐放G6967阀，煤粉从中间罐到喷吹罐倒罐顺序G4448成。喷吹控制前G6564G7477件G5483到高炉G256G1813G16780喷吹G257G1461G2507，喷吹罐内G7021位不低G1122下G19492，G9397G17287安全连锁要G8726，检G7609喷煤管路G990手动阀G19388的状态，G1166工输G1849G8503常；喷吹控制，开喷吹风阀，开安全阀，开喷吹罐下煤G10711阀，开喷吹罐流化阀，G2563动G13485G7021器。G7380后是停喷控制G708发G1998停喷G6363G1208G13468G8502各G256倒罐G257G6817作，关喷吹罐下煤G10711阀，停G13485G7021器，关安全阀，关喷吹风阀G709和对三罐及喷吹管G17959的压力、温度的安全连锁控制。G3G12544三G18108分主要阐述了所用的各种测量设备G708包括G7021位、压力、温度、氧含量、一氧化G11911含量和G18337量测量设备G709的选型和其技术G6363G7643的G16840G7138，所选用控制设备采用G54IEG48ENG54G1856G2508的G54IG48ATICG3G54G26系列的G54IG48ATICG3G54G26G163G19G19G17902用型PLC的CPG56G708G25EG54G26G33G20G24G16G21AG42G20G19G16G19AG37G19G709，G8181G6323量IG18G50G8181G3371G708G25EG54G26G333G20G16G26KG41G19G21G16G19AG37G19G709，G6980G4395量输G1849IG18G50G8181G3371G708G25EG54G26G33G21G20G16G20EG43G19G20G16G19AAG19G709，G6980G4395量输G1998IG18G50G8181G3371G25EG54G26G33G21G21G16G20G43G43G19G19G16G19AAG19的选型和G16826G13466G6980G6466G16840G7138。G3G3关键词PLC；高炉喷煤；传感器DETAILEDSUMMARYVDETAILEDSUMMARYBLASTFURNACEPULVERIZEDCOALINJECTIONTECHNOLOGYIN1840ATSMBANKSONTHEINJECTIONOFCOKEANDANTHRACITEIDEATHEWORLDSFIRSTINDUSTRIALAPPLICATIONSAREBASEDONTHEIDEATHATIN18401845INTHEFRENCHPROVINCEOFBOLOGNANEARTHEIRONWORKSTOACHIEVETHEISLEOFMANTHISBACKGROUNDLEADSTOTHETOPICOFGRADUATIONPCIDESIGNAUTOMATIONCONTROLINJECTIONTECHNOLOGYTHEMAINTOPICSOFTHEBLASTFURNACEPULVERIZEDCOALINJECTIONSYSTEMTOCONTROLTHEINJECTIONPROCESS,DOESNOTINCLUDETHEMILLINGPROCESSINTHETECHNOLOGIESUSEDTOPRODUCEMORETHANONEHUNDREDYEARS,THEDEVELOPMENTISRELATIVELYSLOW,THEBASICLACKOFPROGRESSTHE20THCENTURYUNTILTHEEARLY60S,EUROPE,CHINA,THEUNITEDSTATESBEFORESOMEOFTHEFACTORYSTARTEDINTHEBLASTFURNACEPULVERIZEDCOALINJECTIONONTHETEST7OATTHEENDOFTHESECONDOILCRISISINTHEEMERGENCEOFTHEBLASTFURNACEPULVERIZEDCOALINJECTIONTECHNOLOGYTOSPEEDUPRESEARCHANDDEVELOPMENT,ESPECIALLYINEUROPEANDJAPANISINTHEPRACTICALAPPLICATIONHASBEENMADEAMAJORBREAKTHROUGHFOREWORDTOTHEFIRSTPARTOFTHEDEFINITIONOFABLASTFURNACEPULVERIZEDCOALINJECTIONISFROMTHEBLASTFURNACETUYEREDIRECTINJECTIONTOTHEGROUNDOFTHECOALANTHRACITE,BITUMINOUSCOAL,ORBOTH,ASWELLASAMIXTUREOFPULVERIZEDLIGNITE,TOREPLACETHECOKETOTHEBLASTFURNACETOPROVIDEHEATANDREDUCINGAGENTLEDBYTHEDEFINITIONOFTHEMEANINGOFTHEUSEOFTHISTECHNOLOGY,ITREPLACESTHELOWCOSTCOALANDINCREASINGLYSCARCEEXPENSIVEMETALLURGICALCOKE,COKINGREDUCEDSOTHATTHECOSTOFBLASTFURNACESUBSTANTIALLYREDUCEDITISAMEANSOFREGULATINGTHESTATUSOFFURNACE,BUTALSOWORKTOIMPROVETHEHEARTH,DETAILEDSUMMARYVIANDISSTABLEANTEGRADEBLASTANDTHENINTRODUCEDTHEBASICPROCESSTECHNOLOGYUSED,UNDERTHEMILLINGDEVICETOTHEDISTANCEFROMTHEBLASTFURNACE,COALSTORES,INJECTIONTANKPLACEMENTDIFFERENCESINTHETHICKNESSPIPELINEINJECTION,INJECTIONPRESSUREISHIGHORLOWCONCENTRATIONSOFTHESIZEOFTRANSMISSIONASWELLASDIFFERENTFORMSOFSPRAY,YOUCANHAVEADIRECTINJECTION,INDIRECTINJECTIONSTRINGINJECTIONCANSANDCANSOFINJECTIONEXPLORERINJECTION,MULTIBRANCHINJECTIONHIGHPRESSUREINJECTION,PRESSUREINJECTIONDENSEPHASEINJECTION,DILUTECOALINJECTIONANDOXYGENINJECTIONMACHINE,INJECTIONMACHINEANDOTHERCONVENTIONALFORMSOFINJECTIONPROFILEDESCRIBESSOMEOFTHEMOREMATUREINDUSTRIALPRODUCTIONPROCESSES1,GERMANYKVTTNERPROCESS2,THEUNITEDSTATESARMCOARMCOPROCESS3,JAPANSSUMITOMOPROCESSES4,FLOWKAWASAKI,JAPAN5,LUXEMBOURGPAULWURTHPROCESS6,MIXEDTYPEPROCESS7BRITISHSTEELUNIONCOALPARTICLEINJECTIONPROCESSAGAINAFTERABRIEFINTRODUCTIONOFSEVERALNEWCOALTECHNOLOGY,INCLUDING1,THEVOLUMEOFOXYGENRICHLARGECOALTECHNOLOGY2,THEUSEOFALARGENUMBEROFPLASMAPULVERIZEDCOALINJECTION3,COMPOUNDINJECTIONTECHNIQUES4,TABLETSCOALINJECTIONTECHNOLOGYFINALLY,INTHEFIRSTPARTOFTHESTATUSQUOOFCHINASCOALINJECTIONTECHNOLOGY,MORETHANTENYEARSINTOTHETECHNOLOGYPROGRESSINCHINAANDPROBLEMS,BUTALSOTHEDEVELOPMENTPROSPECTSOFCHINASOUTLOOKFORBLASTFURNACETHESECONDMOSTOFTHEMAJORCOALINJECTIONONBLASTFURNACEAUTOMATIONCONTROLPACKAGEFIRSTPOINTOFINJECTIONANDDETECTIONPROCESSCARRIEDOUTONTHELAYOUT,INCLUDINGTHECHOICEOFTHREECANSOFSTRINGEMISSIONREQUIREMENTSCANINJECTIONVALVE,FLUIDVALVE,CHARGEPRESSUREVALVEAREPRESSUREVALVES,FIRENITROGENVALVE,CONICALVALVEUNDER,DETAILEDSUMMARYVIITHECONEVALVE,UNDERTHECOALFEEDERANDTHEDISTRIBUTIONOFTHEBALLVALVEWERECOMPAREDANDDESCRIBEDINDETAILONTHEINSTALLATIONDRAWINGSINDICATETHELOCATION,BUTALSOALLTHENECESSARYMEASURINGEQUIPMENTSUCHASPRESSURE,TEMPERATURE,WEIGHT,GASCONTENT,ETC,THEREQUIREDNUMBER,ADESCRIPTIONOFTHEINSTALLATIONLOCATIONANDTHENINTHEGRAPHONTHEBASISOFTHECONTROLPROCESSDESCRIBEDINJECTIONFIRSTINTRODUCEDTHEBASICMODEOFOPERATIONFULLYAUTOMATICOPERATION,MANUALOPERATION,ANDMAINTENANCEOPERATIONS,ANDTHENISAMAJOROPERATIONCARRIEDOUTBYOVERVIEWINCLUDINGCOALFROMTHECOALINVERTEDPOSITIONTOTHEINTERMEDIATETANKCANCONTROL,TOTHEPULVERIZEDCOALINJECTIONINTHEMIDDLETANKCANSCANSBACKCONTROLFROMTHEINJECTIONOFPULVERIZEDCOALTOBLASTFURNACETUYERESPRAYCANSOFCONTROL,STOPTHEBLASTFURNACEPULVERIZEDCOALINJECTIONCONTROL,SECURITYCONTROLPROCEDURESFORTHECHAIN,ANDFINALLYADETAILEDDESCRIPTIONOFTHESPECIFICOPERATIONTANKFEEDINGTHEMIDDLETHEMIDDLEOFTHEPRECONDITIONSCANFEEDTANKFORTHEMIDDLEMUSTBEAN“EMPTYSIGNAL“,THEPRESSUREMUSTBELESSTHAN002MPA,EMISSIONVALVESINTHE“OPEN“STATUS,FILLINGPRESSUREVALVE,FLUIDVALVE,CONEVALVEANDTHEVALVEUNDERTHECONEINTHE“OFF“STATE,INTERMEDIATEBETWEENTHECANSANDTHECANSAREINJECTIONVALVEINTHE“OFF“STATETOMEETTHEABOVECONDITIONSCANOPERATEINOPENCOALWASUNDERTHECONEVALVEPOSITION,OPENTHEMIDDLEOFTHECONESHAPEDTANKVALVE,BLEEDINGVALVECLEARANCEWAREHOUSECOAL,THECOALFLOWPOSITIONOFVALVE,THEMIDDLETANK“FULLFEED“SIGNALWHENTHEFOLLOWINGCLOSINGOFCOALFLOWVALVEPOSITION,THEVALVEEMISSIONCOALWAREHOUSE,CUSTOMSWAREHOUSEUNDERTHECONEOFPULVERIZEDCOALVALVEOFFTHEMIDDLEOFTHECONESHAPEDTANKVALVE,COALFROMTHECOALWAREHOUSECANSDOWNTODETAILEDSUMMARYVIIITHEMIDDLEOFTHEORDEROFTHEENDCANS,CANSINTHEMIDDLEOF“FULLFEED“POSITIONFEEDTANKINJECTIONINJECTIONVOLUMEOFTHETANKSHOWEDTHATTHELOWERLIMITOFCOAL,TOALLOWAUTOMATICFEEDINGSIGNALINJECTIONTANKPRESSURESETTINGSTOREACHTHEMIDDLETANK“FULLFEED“INVERTEDCANS,BLEEDINGTUNDISHVALVECLEARANCE,THETANKFILLINGTHEMIDDLEPRESSUREVALVE,INTERMEDIATEPRESSURETANKANDTHEINJECTIONTANKISLESSTHANSETVALUE,THEFILLINGVALVESHUTDOWN,OPENTHETWOCANSWEREPRESSUREBETWEENTHEVALVEANDOPENTHENEXTAMONGTHETANKVALVECONE,THECONEJETONTHETANKVALVE,OPENTHEMIDDLEFLUIDTANKVALVE,THEMIDDLETANK“FEEDAIR“SIGNALS,THEFOLLOWINGOPERATIONS,CLEARANCEOFMIDDLETANKFLOWVALVE,CLEARANCEUNDERTHEMIDDLEOFTANKVALVECONE,THECONESHAPEDTANKCLEARANCEINJECTIONVALVE,FILLINGTANKCLEARANCEINTERMEDIATEPRESSUREVALVE,INTERMEDIATECLEARANCEBETWEENTANKANDTANKPRESSUREINJECTIONVALVE,THEVALVEEMISSIONTUNDISH,PULVERIZEDCOALINJECTIONINTHEMIDDLETANKTOTANKDOWNTHEORDERCANBECOMPLETEDINJECTIONCONTROLAPREREQUISITEFORBLASTFURNACETOBE“ALLOWINJECTION“SIGNALINJECTIONTANKOFNOTLESSTHANTHEMINIMUMLEVELTOMEETTHESECURITYREQUIREMENTSOFTHECHAIN,CHECKTHEPCIMANUALCONTROLVALVESONTHEROAD,ANDENTEREDINTOTHENORMALINJECTIONCONTROL,THEINJECTIONVALVE,THESAFETYVALVE,THEINJECTIONOFCOALUNDERTHETANKBALLVALVE,OPENVALVEINJECTIONFLUIDCANSTARTTOFEEDFINALLY,THEREISCESSATIONOFINJECTIONCONTROLINJECTIONINSTRUCTIONSISSUEDTOSTOPTHETERMINATIONOFTHE“ANTITANK“TOOPERATE,CLEARANCEUNDERTHECOALINJECTIONTANKBALLVALVE,STOPFEEDEROFFSAFETYVALVE,INJECTIONVALVECLEARANCEANDTHETHREECANSANDTHEINJECTIONPIPEPRESSURE,TEMPERATURECONTROLOFTHESECURITYDETAILEDSUMMARYIXCHAINTHETHIRDPARTMAINLYUSEDONAVARIETYOFMEASURINGEQUIPMENTINCLUDINGLEVEL,PRESSURE,TEMPERATURE,OXYGENCONTENT,CARBONMONOXIDECONTENTANDWEIGHTMEASURINGEQUIPMENTSELECTIONANDDESCRIPTIONOFITSTECHNICALINDICATORS,THEUSEOFCONTROLEQUIPMENTSELECTEDBYSIEMENSCOMPANYSSIMATICS7SERIESOFSIMATICS7300SIZEFITSPLCCPU6ES73152AG100AB0,ANALOGI/OMODULE6ES73317KF020AB0,DIGITALINPUTI/OMODULE6ES73211EH010AA0,DIGITALOUTPUTI/OMODULE6ES73221HH000AA0THESELECTIONANDDETAILEDDATAKEYWORDSPLCBLASTFURNACEPULVERIZEDCOALINJECTIONSENSORA6A7X目录G6700G3G3要IABSTRACTIIG16826G13466G6700要IIIDETAILEDSUMMARYV1前G16340111高炉喷煤技术背景112高炉喷煤的意义113高炉喷煤G3534本流程214喷吹技术的发展3141富氧G3835喷煤量技术4142利用等离子G3835量喷吹煤粉4143复G2524喷吹技术4144粒煤喷吹技术415我国喷煤喷吹技术5G20G17G24G17G20我国喷煤喷吹技术现状5G20G17G24G17G21我国高炉喷煤技术的进步6G20G17G24G173我国高炉喷煤存G3324的问题6G20G17G24G17G23我国高炉发展前景72高炉喷煤喷吹自动化控制整体方案921喷吹工艺及检测点布置922工艺流程G12046意G3282923喷吹控制过程描述10231喷吹系统G6817作方式10232喷吹过程描述113设备选型1431所用测量设备选型14311G7021位测量设备选型14A8A9XI312温度测量设备选型16313压力测量设备选型16314氧含量测量设备选型17315一氧化G11911测量设备选型18316G18337量测量设备选型1932系统硬件配置方案20321总体配置方案20322G54IG48ATICG3G54G26G163G19G19G17902用型PLC简介20323CPG5621324PG54G33G19G26G3G11017G9316G8181G3371G24AG3G25EG54G26G33G19G26G16G20EAG19G19G16G19AAG1925325G8181G6323量输G1849G8181G7507G3G54G48G333G20G3AIG3G27G3G104G3G20G21G3位G25EG54G26G333G20G16G26KG41G19G21G16G19AG37G1926326G6980G4395量输G1849G8181G7507SM321DI16120VACG7086ES73211EH010AA0G70929327G13499G11017器输G1998G8181G7507G54G48G33G21G21G3G39G50G3G20G25G104G13499G11017器G20G21G19G57ACG708G25EG54G26G33G21G21G16G20G43G43G19G19G16G19AAG19G70930328PLCG6521G13459G3282G708G16277G19480G5417G39G70933G13479G1678234G2454考G7003G1049835G14280G1688636G19480G5417AG8181G6323量I/OG1593237G19480G5417BG6980G4395输G1849量I/OG1593239G19480G5417CG6980G4395输G1998量I/OG1593241G19480G5417DPLCG6521G13459G3282431A10A1111前言11高炉喷煤技术背景高炉喷煤技术G3999G1122G20G27G23G19G5192G54G714G48G714G37G68G81G78G86关G1122喷吹G9978G9857和G7092G9907煤的设G5831；G1002G11040G7380G7101的工业G5224用G2375是G7693G6466G17837一设G5831G1122G20G27G23G19G794G20G27G23G24G5192间G3324G8873国G2350G8943G9049G19480G17829的G20544G5693G11477G9872G19093G2390G4466现的。G1306G8504后的一G11346G3822G5192，发展G2376G11468对G13543G5942，G3534本G7092进展；G11464G14279G21G19G1002G13438G25G19G5192G1207G2033，G8443G8966、中国、G13666国的一G1135工G2390G6177G19482G13505开G3999G3324高炉G990G16809G20576喷煤。G3G26G50G5192G1207G7423，G12544G1120次G11719G8845G2373G7438的G1998现，G2164G5567了高炉喷煤技术的G11752G12362和发展，G10317G2047是G8443G8966和G7097本G7368是G3324G4466G19481G5224用G990G2474G5483了G18337G3835G12373G11784。到G28G19G5192G1207G2033，G8443G8966和G7097本G5062有小G18108分高炉G7388G3355G2556G19093喷煤G17241过了G21G19G19G78G74G3835关，G3926G20G28G28G20G5192LG19G7388英国钢G19093G1856G2508G7043G13955G13046G7234工G2390G13512G3822利G1134G3911G10591G2507高炉G21G19G20G78G74粒煤，G20G28G28G21G5192G20G20G7388德国G14934森G1856G2508G7057G19898G4584G7693G20G2507高炉G21G19G19G714G25G78G74，G20G28G28G21G5192G20G20G7388G14667G1860G19681G6108G7003G1856G2508G14418G14719G1393G11343G2390G25G2507高炉G21G19G24G78G74，G20G28G283G5192G20G20G7388G7097本新G7097G19093G2543G8953G23903G2507高炉G21G19G19G78G74、G20G28G28G23G5192LG19G7388NKKG1856G2508G12131G4677G2390G23G2507高炉G21G20G27G78G74等G6363G7643G3355G5062是G5415G7114的G1002G11040一流G8712G5191。G312高炉喷煤的意义高炉喷煤对现G3324高炉G9872G19093技术来G16840是一项G18337要的技术G19773G2641。所G16871高炉喷煤，G4613是G6363从高炉风口G2533炉内G11464G6521喷吹G11964G13466了的煤粉G708G7092G9907煤、G9907煤G6122G1016G13785的G9163G2524煤粉以及G16100煤G709，以G1207G7379G9978G9857G2533高炉G6564G1391G9921量和还原剂。它的意义G3324G1122G3G20G17以低价的煤G1207G7379了G7097趋贫乏且价格昂贵的冶金G9978，降低了G9978化，使高炉G9872G19093的成本G3835幅下降。G3G21G17高炉喷煤可以作为一种调剂炉况的手段。G33G17高炉喷煤可以改善炉缸工作状态，是高炉稳G4462顺行。G3G23G17为高炉G6564高风温和富氧鼓风创造G7477件。G3因为喷吹煤粉会使风口前理G16782燃烧温度降低，导G14280理G16782燃烧温度降低的主要原因有G3G20G709高炉喷吹煤粉后煤G8680量增G2164，G2164G9921煤G8680需要消耗G9921量；G3G21G709喷吹煤粉带G1849的G9921量少，而G9978G9857进G1849风口区G7114G5062被G1817分G2164G9921，温度高G17810G20G23G24G19G20G24G19G19，而喷吹的煤粉温度不G17241过G20G19G19；G33G709煤粉中的G11911氢化G2524物分解需要G9921量。G31A10A112G24G17喷吹煤粉中的氢含量G8616G9978G9857带G1849的G3822，氢G8680G6564高了煤G8680的还原能力和穿透扩G6967能力，有利G1122矿G11719的还原和高炉G6817作G6363G7643的改善。G3G25G17喷吹煤粉G1207G7379了G18108分G9978G9857，不仅G13543解了G9978煤的G1391需紧张状况，也减少了对G9872G9978设G7057的投资和建设，G7368降低了G9872G9978G10995G1147对环境的污染。G313高炉喷煤基本流程G7693G6466制粉装置到高炉距离的远G17829、煤粉仓，喷吹罐安放位置的差异、喷吹管路的粗G13466、喷吹压力的高低、输送浓度的G3835小以及喷枪形式的不同，可以有G11464G6521喷吹、间G6521喷吹；串罐喷吹、并罐喷吹；总管喷吹、G3822支管喷吹；高压喷吹、常压喷吹；浓G11468喷吹、稀G11468喷吹和氧煤枪喷吹、常规枪喷吹等各种形式的喷吹。不同的设备G13479构和组G2524可以G1147G10995以下几种较成熟的工业性G10995G1147流程。1G714德国KVTTNER流程煤粉罐、中间罐、喷吹罐三罐串G6521流化小罐喷吹支管喷枪；支管G990装有流量计和G1120次风G1849口，安装位置前G13785靠G17829喷吹罐G1998口，后G13785靠G17829高炉。G17829十G3822G5192来，KVTTNERG1856G2508又推G1998了一种新流程煤粉仓并列喷吹罐流化小罐总管一分配器一支管一氧煤喷枪，并G5483到了G7368G3822的推广。新流程为双罐、双总管和双分配器形式，仍然使用G8706G8680G2164压、流化，采用浓G11468输送。G3G990钢一G2390G21G24G19G19M3高炉喷煤选用的G2375是KVTTNER新流程，G1306是未用氧煤喷枪。G8504外，G18337钢高炉喷煤也选用了KVTTNER新流程常规喷枪，所不同的是该G23903、G23、G24G2507三座高炉共用一套喷吹装置，G17837套装置G5062G1122G21G19G19G20G5192G20G20G7388投G1147，运行G8503常。G3G21G17G3G13666国阿姆科ARG48CG50流程G3煤粉仓并列喷吹罐总管分配器支管常规喷枪。G994新KUTRNER流程不同的是ARG48CG50流程使用3个喷吹罐，一G7693总管、一个分配器；总管既变径，局G18108还要变形，为确保G17287够的分配精度，分配器G5529G20047置G1122高炉炉顶，所有支管也G5529G20047等径、等长、等形状。G2164压、流化使用G8706G8680，因为是稀G11468输送，所以还需添G2164压缩G12366G8680。宝钢G20高炉喷煤G2375属阿姆科流程。G33G714G7097本住友流程G3煤粉仓并列喷吹罐旋转G13485G7021器喷吹小罐总管G12544一分配器G12544G1120分配器支管喷枪。住友流程总管G990装有压差式流量计G994旋转G13485G7021器共同调节喷煤总量，控制和设备组成G3355较复杂，和歌G4677G23、G24高炉喷煤G2375为G17837种流程。G34G714G7097本川崎流程G31A10A113煤粉罐、中间罐、喷吹罐三罐串G6521G3822支管喷枪；喷吹罐G990G1998G7021，底G18108设有搅拌器并G3324支管G1998口G3800G6521G1166G1120次风压缩G12366G8680稀释。宝钢G21高炉喷煤G2375属川崎流程。G3G24G714卢森堡PG68ULG3WURTH流程G3历史G990PWG1856G2508G994KVTTNERG1856G2508曾有过一段较长G7114间的G2524作，因G8504G7092G16782新流程还是老流程，G1016家的差异都不G3835，G3534本G990G3835同小异，仅G3324个G2047设备的选用G990有G1998G1849。G3926老流程中PW用旋转G13485G7021器G1207G7379了KVTTNER的流化小罐；新流程中用声纳管G1207G7379了阻损管、用流化喷嘴G1207G7379了流化罐、增设泄压G8680回收装置等。武钢G23、G24G2507高炉喷煤选用的G2375是PW流程，G5062G1122G21G19G19G21G5192投G1147。G36G714G9163G2524型流程G3煤粉罐、中间罐、喷吹罐三罐串G6521总管分配器支管喷枪；G17837是G3324G990述G3822支管流程G3534G11796G1055G990的一种改良流程。也可以称作G9163G2524流程。宝钢3G2507高炉喷煤用的G2375是该种流程。G37G714英钢联粒煤喷吹流程G3煤粉仓、中间罐、喷煤泵三罐串G6521总管分配器支管喷枪；主要G10317点是用喷煤泵G1207G7379了传统的喷吹罐，中间罐G994喷煤泵G1055间使用圆顶阀联G6521，同样G7477件下，喷煤泵工作压力G17902常小G1122传统喷吹罐工作压力，喷煤泵G1998口设有由变频G11017G7438驱动的旋转G13485G7021阀。G3G7043G1