储罐内衬混凝土施工方案

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1、白液贮存槽内衬混凝土施工方案WhiteLiquorStorageTankLiningConcretingProgram1.施工前的检查CheckingbeforeConstruction（1）储罐的组对和焊接完成后，对储罐的外观进行检查，按照《立式圆筒型焊接油罐施工及验收规范》GB50128-2005的储罐的焊缝、垂直度和圆度进行复查。Aftercompletingthepairingandweldingofthestoragetank,checktheoutlookofthetank,andreviewthewelds,theverticality,andtheroundnessof

2、thetankinaccordancewithGB50128-2005the“ConstructionandAcceptanceSpecificationforVerticalCylindricalWeldedOilTanks”.（2）对储罐底板焊缝进行抽真空检查。Makevacuumingchecksfortheweldsonthebottomofthetanks.（3）对储罐进行盛水试验检查。Checkthetanksbyfillingwater.（4）检查储罐的管道接口和人孔门是否施工完成。Checkwhethertheconstructionofthepipinginterfa

3、cesandman-holesofthetanksiscompleted.2.白液贮存槽内衬混凝土施工Whiteliquorstoragetankliningconcreteconstruction2.1施工前的准备工作Preparationsbeforeconstruction2.1.1储罐壁板钩钉的焊接Weldingthetankwallhooks（1）在储罐壁板用φ20mm的螺纹钢弯制成的钩钉焊接，壳体部分每平方米6个钩钉。如图1-1：Onthewallofthetanks,weldwithhooksmadebybendingφ20mmrebar,using6hooksforea

4、chsquaremeteroftheshellbody,seeFig.1-1:图Fig1-1（2）在完成盛水试验后，用钢丝轮对壁板进行除锈，要求罐壁内表面无可见的油脂和污垢，并且没有附着不牢的氧化皮，铁锈后油漆涂层等附着物，壁板表面应显示出金属光泽，达到手工除锈的St2级标准。Aftercompletingthefilling-watertest,de-rustthewallplateswithsteelwirewheels,requirements:nogreaseordirtvisibleontheinteriorsurfaceofthetankwall,nooxidizedski

5、nthatdoesnotattachfast,orotherattachmentsresultingfrompaintingonrust,andthesurfaceofthewallplateshouldshinewithametallicluster,reachingST2standardformanualde-rusting.SteelMouldPlate(3)在罐内壁铺设100*100*4mm钢丝网，用扎丝固定在已焊接好的钩钉上。如图1-2所示：Lay100*100*4mmsteelwirenetontheinteriorwallofthetank,usethinbindingw

6、iretofixontheweldedhooks.SeeFig1-2:RackPipeSupportSteelWireNet2.1.2模板施工Mouldplateconstruction用1000*160mm的模板沿储罐内侧进行施工，保证模板与储罐内壁之间的间距为80mm;钢模板内侧用DN40的架管进行加固和支撑。如图1-2和1-3.Use1000*160mmmouldplateforconstructioninsidethetanks,makesurethatthespacingbetweenthemouldplateandtheinnerwallofthetanksis80mm;i

7、nsidethesteelmouldplates,useDN40pipe-racksforreinforcementandsupport,seeFig1-2and1-3:SteelMouldPlateRackPipeSupport图Fig1-2RackPipeSupport图1-32.2侧板混凝土浇筑Sideplateconcreting根据南宁院图纸要求，侧板采用C40细石混凝土，侧板混凝土厚度80mm，底板混凝土厚度100mm。因侧板混凝土