ST-903锅炉房烟囱吊装方案.doc

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1、ST-903锅炉房烟囱吊装方案（TheliftingplanofST-903boilerhousechimney）一、吊装简介：Liftinginstruction（1）ST-903锅炉房烟囱安装位置为锅炉房北面，其吊装前摆放位置见吊装示意图。到货状态为分体，共8节，每节5米。现已将最底端一节烟囱安装就位于烟囱基础上，剩余7节焊接在一起，焊接后烟囱总长为35米，总重为8.4吨。ST-903boilerhousechimneylocateatthenorthofboilerhouse,thepositionofchimneyseetoliftingsketch,when

2、itisdelivered,theyare8parts,everypartis5m.Nowthefirstparthasbeenputinposition.Theother7partsisweldedtogether,thetotallengthis35m,andthetotalweightis8.4T.（2）ST-903锅炉房烟囱采用SCC1000C液压履带起重机与QY50V汽车式起重机进行抬吊。SCC1000C液压履带起重机为主机，用于烟囱的整个吊装过程；QY50V汽车式起重机为副机，用于烟囱的辅助吊装。WeuseSCC1000Chydraumaticcrawle

3、rcraneandQY50Vcraneforliftingwork.SCC1000Chydraumaticcrawlercraneismainliftingcrane,andtheQY50Vcraneisauxiliaryliftingcrane.（3）吊装ST-903锅炉房烟囱前，由赛吉满公司给予协调将吊车占位场地平整夯实。BeforeweliftingST-903boilerhousechimney,weneedSedgmanCompanytolevertheroadandcompactitforthecranecomethrough.二、吊装机具能力校核过程：I

4、nspectionofliftingequipment1、ST-903锅炉房烟囱总重8.4吨，加上30吨吊钩实际重量为710kg（电脑设置显示重量为2吨）；TheweightofST-903boilerhousechimneyis8.4T,addtheactualweightof30Thookis710kg；(displayedoncomputeris2T)2、风载系数取K=1.2，故实际吊装为（8.4+0.71）*1.2=10.932吨；TakewindfactorK=1.2，sotheactualliftingweightis（8.4+0.71）*1.2=10.9

5、32T3、回转半径为14米；Liftingradiusis14m;4、主臂伸长60米；Thelengthofmainboomis60m;5、根据SCC1000C液压履带起重机起重性能参数表知：回转半径14米，主臂伸长60米，起重能力为23.7吨；完全满足吊装要求。AccordingtotheliftingperformancetableofSCC1000Chydraumaticcrawlercrane：Whentheliftingradiusis14mandthelengthofmainboomis60m,theliftingcapabilityis23.7Tandc

6、anmatchtherequirementsoflifting.1、吊点选择：根据烟囱的总长度，将吊点设置在由烟囱底面往上25米焊接处；具体吊点详见吊装示意图；Selectionofliftingpoints:Accordingtothelengthofchimney,choicetheliftingpointat25mweldingpositionfromthebottom;thespecificliftingpointseetotheliftingsketch;2、钢丝绳选择：Selectionofsteelwire:SCC1000C液压履带起重机吊装端采用两种型

7、号的钢丝绳：UsetwokindofsteelwireforSCC1000Chydraumaticcrawlercranelifting:实际吊装用钢丝绳型号为：（6*37+1*19、直径为32mm）长度为11.4米、3根；Thesteelwireforliftingis:（6*37+1*19、diameteris32mm）lengthis11.4m、3piece；捆绑烟囱用钢丝绳型号为：（6*37+1*19、直径为19.5mm）长度为10.5米、2根；Thesteelwireusedforbindingchimneyis：（6*37+1*19,di