玻璃钢罐顶板的维修方案

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摘要玻璃钢罐(Glass steel tank)顶板的维修方案①剩余罐顶板的撤除剩余罐顶板撤除前先要将周边的护栏及钢平台进行撤除。剩余罐顶的撤除采用气焊切割,罐顶切

玻璃钢罐(Glass steel tank)顶板的维修方案

①剩余罐顶板的撤除

剩余罐顶板撤除前先要将周边的护栏及钢平台进行撤除。

剩余罐顶的撤除采用气焊切割,罐顶切割时首先切割罐顶的护栏、走道、避雷针等,罐顶一切附件清除洁净后方可进行顶板撤除。剩余顶板割除前,先在待切割的罐顶板上焊接临时吊耳,将钢丝绳将吊耳绑扎结实,并挂在吊钩上,避免钢板掉入罐内,同时方便吊装。
(The surrounding guardrail and steel platform should be removed before the roof plate of the remaining tank is removed.

The remaining roof of the tank is removed by gas welding cutting. When cutting the roof of the tank, the guardrails, walkways, lightning rods and so on are cut first. The roof can be removed after all the accessories of the tank roof are removed. Before the remaining roof is cut, temporary lifting lugs are welded on the top plate of the tank to be cut, and the wire rope is tied firmly to the lifting lugs and hung on the hook to prevent the steel plate from falling into the tank and to facilitate hoisting.)

玻璃钢罐顶板的维修方案

②罐顶的安装(install)与焊接

顶板安装(install)前应采用δ=8mm扁钢,沿原有罐顶的包边角钢做一圈加固圈,主要作用是加固原有包边角钢强度(Strength)和提高罐顶的安装(install)率。

顶板铺设前应按排板图平分中心支撑圆周和包边角钢圆周,并在中心支撑圈和包边角钢上标出每一块顶板的中心线,按画好的平分线从0°和180°两个出发点沿同一方向顺序组装。控制搭边量保持均匀并进行点焊。

拱顶焊接顺序的原则:先焊内侧断续焊,后焊外部连续焊;先焊环向短缝,再焊径向长缝;由拱顶中心向外分段退步焊;包边角钢与顶板的环缝,焊工均布,沿同一方向分段退步焊。严厉按图纸要求不得超量焊接。罐顶中心板待罐内工艺(Technology)完成后,最后进行安装(install)。
(dǐng bǎn ān zhuāng qián yīng cǎi yòng δ=8mmbiǎn gāng ,yán yuán yǒu guàn dǐng de bāo biān jiǎo gāng zuò yī quān jiā gù quān ,zhǔ yào zuò yòng shì jiā gù yuán yǒu bāo biān jiǎo gāng qiáng dù hé tí gāo guàn dǐng de ān zhuāng lǜ 。

dǐng bǎn pù shè qián yīng àn pái bǎn tú děng fèn zhōng xīn zhī chēng yuán zhōu hé bāo biān jiǎo gāng yuán zhōu ,bìng zài zhōng xīn zhī chēng quān hé bāo biān jiǎo gāng shàng biāo chū měi yī kuài dǐng bǎn de zhōng xīn xiàn ,àn huà hǎo de děng fèn xiàn cóng 0°hé 180°liǎng gè qǐ diǎn yán tóng yī fāng xiàng shùn xù zǔ zhuāng 。kòng zhì dā biān liàng bǎo chí jun1 yún bìng jìn háng diǎn hàn 。

gǒng dǐng hàn jiē shùn xù de yuán zé :xiān hàn nèi cè duàn xù hàn ,hòu hàn wài bù lián xù hàn ;xiān hàn huán xiàng duǎn féng ,zài hàn jìng xiàng zhǎng féng ;yóu gǒng dǐng zhōng xīn xiàng wài fèn duàn tuì bù hàn ;bāo biān jiǎo gāng yǔ dǐng bǎn de huán féng ,hàn gōng jun1 bù ,yán tóng yī fāng xiàng fèn duàn tuì bù hàn 。yán gé àn tú zhǐ yào qiú bú dé chāo liàng hàn jiē 。guàn dǐng zhōng xīn bǎn dài guàn nèi gōng yì wán chéng hòu ,zuì hòu jìn háng ān zhuāng 。 )

③ 罐内附件的安装(install)

当罐顶施工(construction)完毕后,依据原设计图纸及业主的要求进行罐内系统的安装(install)。因业主要求罐内加热盘管要换成不锈钢盘管,施工(construction)时需参照相似工程项目标盘管尺寸进行安装(install)。
(After the completion of the tank roof, the installation of the tank system will be carried out according to the original design drawings and the owner's requirements. Due to the owner's requirement that the heating coil in the tank be replaced by stainless steel coil, the coil dimensions of similar projects should be consulted for installation.)

④ 罐顶接地的撤除与安装(install)

撤除原有储罐接地,依照新规范进行储罐的接地施工(construction),保证(ensure)储罐运行安全。
(The grounding of the original storage tank is removed, and the grounding operation of the storage tank is carried out according to the new standard, so as to ensure the safe operation of the storage tank.)

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