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settleme
t
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g
Ha
doveri
spectio
a
daccepta
ce
The13thCo
structio
CoLtdofCNCE中国化学工程第十三建设有限公司
10
fProjectName：Cela
eseChi
aFastProjectProjectNoCC1117F1100Ow
erCela
eseNa
ji
gAcetylI
termediatesCoLtdPackageSiteBuiltTa
ks
5
储罐的工厂化预制FactoryPrefabricatio
ofStorageTa
ks51底板预制Prefabricatio
oftheBottomPlate
（1）罐底排版Ta
kBottomLayout底板预制前应绘制排版图，并应符合下列要求：Alayoutpla
shallbepreparedi
accorda
cewiththefollowi
grequireme
tsbeforeprefabricatio
ofthebottomplate底板排版直径应比设计直径大15～21000。TheDiameterofthebottomplateforlayoutshallbee
largedby15～21000tha
desig
按排版图由罐底中心板向两端逐块铺设中间一行中幅板，从中间一行板开始，向两侧逐行铺设中幅板，每行中幅板应由中间向两侧依次铺设。Pavece
terplatesi
themiddletiero
ebyo
efromthece
terplateoftheta
kbottomtobothe
dsthece
terplateswillbepavedfromthemiddletiertobothe
dstierbytiera
deachtierofce
terplatesshallbepavedo
ebyo
efromthemiddletobothe
ds（2）罐底预制Prefabricatio
oftheTa
kBottom主要是弓形边缘板和中幅板的切割。罐底中幅板和罐底边缘板采用净料预制技术，采用半自动火焰切割机切割。边缘板可以预留一块毛料。所有中幅板、边缘板下第一块料时应经过项目部技术组检验合格后方可下料，并以此料做样板再下其他相同的料。下完的料应用油漆笔按图纸的排版号进行标注。Themai
taskisthecutti
gofarchedsideplatesa
dce
terplatesAsforthece
terplatesa
dthesideplatesoftheta
kbottomthe
etmaterialprefabricatio
tech
ologyisadopteda
dsemiautomatictorchcutti
gmachi
esareusedforthecutti
gApieceofroughmaterialmaybereservedforthesideplateNomaterialca
becutwithouti
spectio
a
daccepta
ceoftheTech
icalGroupoftheProjectDepartme
ti
termsofthecutti
gofthefirstpieceofmaterialofce
terplatesa
dsideplatesa
dthequalifiedmaterialwillbeusedasthemodelforothersamematerialcutti
gThematerialcutshallbemarkedwithapai
ti
gpe
accordi
gtothelayout
umberofdrawi
gs3罐底板除锈、防腐RustRemovala
dA
ticorrosio
ofTa
kBottomPlates
The13thCo
structio
CoLtdofCNCE中国化学工程第十三建设有限公司
11
fProjectName：Cela
eseChi
aFastProjectProjectNoCC1117F1100Ow
erCela
eseNa
ji
gAcetylI
termediatesCoLtdPackageSiteBuiltTa
ks
下料切割后的底板局部凹凸度不得大于变形长度的1，且不大于20mm，若超过此要求必须进行平整，对接缝处的坡口及上下表面离坡口20mm范围内进行除锈和氧化皮的清除。罐底r