大型储罐制作及安装作业指导书(20210201120505)

大型储罐制作及安装作业指导书

Fabricati on and Erect ion of Tank Work In structi on

1 PURPOSE 目的

To provide specificati on and requireme nt for oil/water tank fabricatio n.This in structi on can act as a directi on in maki ng and erect in g tan ksto en sure the project to complete on time and with good quality.

在于制订罐、水箱制作的规范及要求，作为以后制作及安装的指导，确保工程高质量的按期完工。

2 PROJECT SUMMARIZATION 工程概述

2.1 PROJECT ITEMS 工程项目

PROJECT ITEMS SCHEDULE

工程项目一览表

2.2Butt joint (fully melt) will be adopted for annular plates and lap joint for bottom center plates ; butt

joint (welding line fully melt) be adopted for shell plates, and lap joint for tank roof, butt joint for every plate part. Roof form is dome roof with rib. 罐底板边缘板采用对接接头(全部熔透) ，中幅板采取搭接接头；罐壁板采用对接接头(全熔透焊缝)；罐顶板采取搭接接头,每一等分板间采用对接接头。罐顶的结构形式全为带肋拱顶。 2.3The reeling, sand blasting, painting ofsteel plates shall be finished in workshop. Erection, including process of assembly, weld, inspection, testing, thermal insulation and antisepsis, will be done at jobsite erecting location.

钢板的卷制、喷砂、涂漆在车间完成。储罐在现场的安装位置进行安装，现场安装包括组对、焊接、检验、试验、保温、防腐等工序。

3 PROCESS FLOW 工艺流程

Process flow chart of oil-tank fabrication and erection: 油罐制作安装工艺流程图：

3.1Workshop prefabricati on process flow chart车间预制的工艺流程图：

Drawings joint checkup ------- Received material inspection ------- Construction technology

deliver ---------- l aying off and groove process ------ Reeling --------- Sand Blasting ---------- P ainting

and Numbering ------- T ransported to jobsite

图纸会审 ---- 进厂检验 ---- 施工技术交底 ----- 下料及坡口加工---- 卷板--- 喷砂----- 涂

漆并编号 --- 运输到现场

3.2Jobsite erecti on process flow char现场安装流程图：

construction preparation --- acceptance of foundation ---- laying bottom plates ----- weld of bottom center plates ---- assembly and weld of top plate ----- assembly and weld of curb angle --- a ssembly

of temporary column for dome roof --- a ssembly and weld of roof plates --- assembly and weld of

ribs for roof ---- e rection of hoisting vertical column ---- hoisting shell plates --- assembly and weld

of the subsequent course ---- finished weld inspection ---- fillet weld shell plates to bottom

plates ---- w eld shell plates to annular plates --- vacuum side leaking of seams on the bottom plates acceptance of geometric dimension erection of fittings erection of stair platform filling water testing anticorrosion and thermal insulation acceptance of the

finished construction

施工准备 -- 基础验收---- 铺设底板 --- 中幅板焊接-- 最上层壁板装配、焊接----- 包边角钢组对、焊接 - 临时拱顶支柱组装---- 罐顶板装配、焊接 -- 罐顶肋板装配、焊接 --- 提升立柱

安装 --- 提升壁板--- 装配、焊接下一层壁板 -- 依次提升组焊其他各层壁板----- 罐壁焊缝

检验 --- 最下层壁板和底板的角焊缝焊接---- 中幅板与边缘板焊接--- 底板焊缝真空测漏

-- 罐体几何尺寸验收--- 附件安装 -- 梯子平台安装--- 充水试验 -- 防腐、保温--- 竣工验收

4 ERECTIING PROCESS REQUIREMENT 安装工序要求

4.1 CONSTRUCTION PREPARATION 施工准备

4.1.1Drawings shall be checked up by related personnel. Particular attention shall be paid to checking the general dimension and junctions dimension of tanks. Learn the usage and basic working principle of oil/water tank. Make clear technical standard &requirement and primary construction workload according to the acceptance specification. In the event any misunderstanding or mistake on the drawings is discovered, the problem shall be reported and solved before construction.

熟悉图纸，组织有关人员进行图纸会审。重点审核油罐及水箱的整体尺寸及连接点尺寸，弄清油罐及水箱用途及基本工作原理，并且对照验收规范，弄清技术标准及要求和主要工程量，图纸设计不清或错误，应及时反映，落实清楚后方可施工。

4.1.2 Organize the related erecting personnel to provide technology delivery. Project summarization, time limit, primary construction workload, primary technology requirements, construction specifications and standards, construction process and methods, the problems to which particular