EIL炼钢厂通风热力工艺技术规程-ok

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1、印度电钢综合有限公司2x60吨转炉及连铸工程2x60tconverterandCCMprojectforEIL工艺技术规程TechnicalSpecification(热力、通风)(thermal,ventilation)发放编号：SN.:持有人：Possessor（注：在确认现场实际设备与设计要求完全相符后，方可按本手册规定进行操作Note：Onlyafterconfirmingthatactualequipmentatsiteiscompletelymatchingwiththedesign,Operationcanbecarriedoutasperthisman

2、ual）1.转炉二次除尘系统工艺技术规程Technicalspecificationofconvertersecondarydedustingsystem工艺流程：Processflow转炉二次除尘系统包括2座转炉兑铁水、出钢及散装料卸料等处在冶炼或工作过程产生的烟气和灰尘，共设一套除尘系统集屮处理。Convertersecondarydedustingsystemisdesignedwithonesetofdedustingsystemwhichissharedandusedbythedustgeneratingpointssuchas2setsofconverte

3、rforhotmetalmixing,tappingandbulkunloading.转炉二次除尘烟罩一A除尘管道一＞布袋除尘器一A风机一►烟囱I输灰系统一►除尘灰外运经过净化处理后的气体排放浓度小于100mg/Nm3.Converterseconddedustinghood——►dedustingpipe—►bagdeduster——Afan——AchimneyAshconveyingsystem——dedustingdustistransportedoutsideplantEmissionconcentrationofgasafterpurifiedislesst

4、han100mg/Nm工艺标准Processstandard转炉二次烟气风量：2x30x104m3/h烟气温度：120°CConvertersecondaryfluegasvolume:2^30x104m3/htemperatureoffluegas:120°C散装料上料风量：5x104m3/h烟气温度：60°CBulkchargingairvolume:5x104m3/htemperatureoffluegas:60°C原始含尘量：2~3g/rr?Initialdustcontent:2~3g/rrP除尘器压差小于1500PaDifferentialpressure

5、ofdedusterislessthan1500Pa工艺方法Processmethod1.4.1每座转炉三个排烟口；散装料上料系统除尘釆用移动式皮带通风槽；Eachconverterisdesignedwiththreesmokevents;bulkcharingsystemadoptstravellingbeltventilationslot1.4.2除尘器本体灰斗各阀门与料仓卸料阀连锁。除尘器本体灰斗各阀门卸料时料仓卸料阀提前两分钟打开，卸料结束后料仓卸料阀延时两分钟关闭。Allvalvesofdedusterbodyashbucketareinterlocked

6、withcindervalves.Cindervalvesshallbeopenedtwominutesbeforeashdischargingfromashbuckets,aswellastwo-minutedelaycloseafterdischargingisover.1.4.3除尘器木体进口混风阀由进I」烟气温度口动控制。进口烟气温度>100°C时，混风阀口动开启，进口烟气温度S80°C时，混风阀自动关闭。Mixedairvalveofdedusterproperinletisautomaticcontrolledbyinletfluegastemperatu

7、re.Wheninletfluegastemperatureis>100°C,mixedairvalveisopenedautomatically;wheninletfluegastemperatureis<80°C,mixedairvalveisautomaticclosed.风机启停Start/stopoffan检查确认Checkandverification电机稀油站冷却水正常，启动稀油泵；Coolingwaterofmotorlubricationoilstationisnormal,startoillubricationpump.检查风机轴