1、中国石油天然气第六建设公司上海项目部China Petroleum 6th Construction Company Shanghai Project Office上海液化天然气接收站项目SHANGHAI LNG TERMINAL for annular space: perlite powder, resilient blanket, fiberglass cloth; for suspended deck: glass cloth, glass wool; for nozzle: glass wool, glass cloth, PIR, PU foam, fiberglass blank
2、et.3编制依据 Reference3.1 BS 7777 Part2(1993): 低温工作条件下的平底，立式，圆筒型储罐。Flat-Bottomed, Vertical, Cylindrical Storage tanks for Low Temperature Service.3.2 ICW 施工程序文件。 ICW Construction Procedure3.3 施工图纸。Construction Drawing of LNG Storage TankDD-DWG-TS-MA-T0200-D600(1/22/2)DD-DWG-TS-MA-T0200-D601(1/22/2)DD-DW
3、G-TS-MA-T0200-D602DD-DWG-TS-MA-T0200-D603(1/22/2)4.保冷施工 Insulation Construction4.1 底部保冷施工 tank bottom insulation中国石油天然气第六建设公司上海项目部China Petroleum 6th Construction Company Shanghai Project OfficePage 4 of 174.1.1底部保冷施工顺序construction sequence of tank bottom insulation混 凝 土 找 平 层 conretlevling 珍 珠 岩 混
4、凝 土 块 、 玻 璃 棉perlite conretbock、 glas wol 热 转 角 环 形 边 缘 板TCP anularplte 混 凝 土 环conrte ring热 转 角 保 护 板Themal CornePt 三 层 泡 沫 玻 璃thre layersclurg 干 沙 、 毛 毡dry sand andcapigmteril底 部 置 换 管 绝 热botm purgepie inslation 内 罐 底 板iner botmplae干 沙 、 毛 毡dry sand andcapigmteril 二 层 泡 沫 玻 璃two layerscelugla 毛 毡 、
5、 干 沙caping materialdrysnd毛 毡 、 干 沙caping materialdrysnd4.1.2 施工前提条件construction preparation4.1.2.1 气吹顶完成；complete roof air raising 4.1.2.2 确保底部衬板清洁干净；clean bottom liner plate4.1.2.3 根据 LNG 储罐绝热材料检验和测试计划 DD-QC-TS-00-T020-J004 对到货材料进行检查；中国石油天然气第六建设公司上海项目部China Petroleum 6th Construction Company Shangh
6、ai Project OfficePage 5 of 17Check insulation materials as per inspection plan of DD-QC-TS-00-T020-J004.4.1.2.4 施工按照储罐绝热图纸检验和测试规范 DD-QC-TS-00-T020-S002 的要求进行；Conduct construction as per test specification of DD-QC-TS-00-T020-S002.4.1.2.5 与土建施工单位协商好混凝土找平的时间, 并完成中间交接程序；Contact with civil subcontractor
7、 and confirm concrete leveling, finish intermediate acceptance procedure.4.1.2.6 外罐底部衬板和 EL105.800 墙体衬板安装完成并经过检查验收；Complete installation of tank bottom liner plate and EL105.800 wall liner plate, and accepted by relevant parties.4.1.2.7 对现场施工人员进行技术交底，明确安装顺序、铺设要求。Make technical briefing to constructi
8、on workers on installation sequence and requirement.4.1.3 标记 marks根据施工图纸在底部衬板上确定底部干沙铺设位置、混凝土环位置、泡沫玻璃位置。As per construction drawing, to confirm dry sand laying place, ring concrete place and cellular glass place on tank bottom liner plate.4.1.4 底部保冷主要实物工作量：Quantity of tank bottom insulation 混凝土环体积：14
9、3m 3Ring concrete cube: 143m3珍珠岩混凝土块：384 块、总计 222.4 m3Perlite concrete block：384 pcs、total 222.4 m3干沙：890 m3Dry sand：890 m3泡沫玻璃 t152：2063m 3Cellular glass t102：892m 3毛毡:31400m 3Capping material:31400m34.1.5 施工方法说明 construction method4.1.5.1 按照施工图纸将施工区域画出；中国石油天然气第六建设公司上海项目部China Petroleum 6th Constru
10、ction Company Shanghai Project OfficePage 6 of 17Mark construction place as per construction drawing4.1.5.2 在混凝土找平合格后，铺设混凝土找平层与外罐壁之间以及内罐底板的干沙，干沙要求如下表；After acceptance of concrete leveling, to lay dry sand on tank bottom, space between PC wall and tank bottom. Dry sand requirement is as below:4.1.5.3
11、 在干沙上铺设底层毛毡，毛毡应对接铺设，毛毡不准有卷曲、打褶现象；Lay lower capping material on dry sand. Capping material shall connect with the type of butt joint, and rolling or flexure is prohibited.4.1.5.4 在干沙上铺设三层 T152 的泡沫玻璃，泡沫玻璃层在长宽方向上交错铺设，最小错变量100mm，每层泡沫玻璃之间铺设毛毡，要求同 4.1.5.3；注意铺设最上层干沙下的毛毡时要搭接铺设，以防干沙渗入如图；Lay three layers of T
12、152 cellular glass on dry sand. Cellular glass block layers shall be arranged such that they overlap by at least 100mm of length note: when lay capping material below the upper dry sand, it shall be laid as lap joint to prevent dry sand from penetration, see below:4.1.5.5 安装三层 T152 的泡沫玻璃过程中，对底部置换管进行
13、保冷，且泡沫玻璃需要切剪并调中国石油天然气第六建设公司上海项目部China Petroleum 6th Construction Company Shanghai Project OfficePage 7 of 17整；In the course of laying there layers T152 cellular glass, bottom purge pipes shall be insulated, and cut and adjust cellular glass.4.1.5.6 每层的泡沫玻璃应该是平整的，在任意 2 米的范围内，平整度都应该在3mm，不允许出现高差变化大的情况；
14、Ensure leveling of each layer of cellular glass. In any area with diameter of 2m, leveling shall be within 3mm, abrupt change of leveling is not allowed.4.1.5.7 在混凝土找平层并验收合格后，铺设珍珠岩混凝土块，先确定好 N13 位置并铺设珍珠岩混凝土块，块之间的间隙由 75mm 压缩成 50mm 玻璃棉来填充；After acceptance of concrete leveling, lay perlite concrete bloc
15、k. Firstly, confirm N13 position and lay perlite concrete block. Clearance between perlite concrete block will be filled in with glass wool which is compressed from 75mm to 50mm.4.1.5.8 珍珠岩混凝土块外侧的泡沫玻璃和毛毡应呈放射状放置，并切割成扇形进行调整；Cellular glass block and capping material at outside of perlite concrete shall
16、 be laid radiatively, and cut into sector form to be adjusted.4.1.5.9 泡沫玻璃与转角板之间、泡沫玻璃与珍珠岩混凝土之间间隙由 75mm 压缩成 50mm 的玻璃棉来填充；Clearance between cellular glass & corner plate, and cellular glass & perlite concrete block will be filled in with glass wool which is compressed from 75mm to 50mm.4.1.5.10 热转角保护板
17、安装完并经检查合格后在边缘板上浇注混凝土承重环，在中腹板上铺设第三层干沙，干沙上铺设两层泡沫玻璃及三层毛毡，然后再铺设铺设第四层干沙要求同 4.1.5.3和 4.1.5.4。After acceptance of thermal corner plate construction, conduct ring concrete pouring on annular plate, and lay the third layer dry sand on central plate. Then lay two layer cellular glass and three layer capping m
18、aterial. Finally, lay the fourth layer dry sand, see 4.1.5.3 & 4.1.5.4.4.2 TCP 保冷施工 TCP Insulation Construction4.2.1 TCP 保冷施工顺序 insulation construction sequence中国石油天然气第六建设公司上海项目部China Petroleum 6th Construction Company Shanghai Project OfficePage 8 of 17在 EL105.8下 部壁 板 上 涂 刷 粘 接 剂mastic dhesv inlerp
19、lurEL105.8安 装 泡 沫 玻 璃instalgswo底 部 干 沙 、 泡 沫 玻璃 drysan dcelug安 装 玻 璃 棉insta swol安 装 TCP板instal pe4.2.2 施工前提条件 construction preparation4.2.2.1 气吹顶完成；complete roof air raising4.2.2.2 确保底部衬板清洁干净；clean bottom liner plate4.2.2.3 根据 LNG 储罐绝热材料检验和测试计划 DD-QC-TS-00-T020-J004 对到货材料进行检查；Check insulation materi
20、als as per inspection plan of DD-QC-TS-00-T020-J004.4.2.2.4 施工按照储罐绝热图纸检验和测试规范 DD-QC-TS-00-T020-S002 的要求进行；Conduct construction as per test specification of DD-QC-TS-00-T020-S002.4.2.2.5 与土建施工单位协商好混凝土找平的时间, 并完成中间交接程序；Contact with civil subcontractor and confirm concrete leveling, finish intermediate
21、acceptance procedure.4.2.2.6 外罐底部衬板和 EL105.800 墙体衬板安装完成并经过检查验收；Complete installation of tank bottom liner plate and EL105.800 wall liner plate, and accepted by relevant parties.4.2.2.7 TCP 顶部钢板与垫板安装完成；Finish TCP top plate and backing strip installation.4.2.2.8 对现场施工人员进行技术交底，明确安装顺序、铺设要求。Make technica
22、l briefing to construction workers on installation sequence and requirement.4.2.2 施工说明 construction method中国石油天然气第六建设公司上海项目部China Petroleum 6th Construction Company Shanghai Project OfficePage 9 of 174.2.2.1 根据施工图纸在外罐衬板上涂刷粘结剂，用抹灰铲涂敷，注意纵向和横向涂刷不同粘结剂；Paste adhesive on shell liner plate as per construct
23、ion drawing, and apply different adhesive at vertical and longitudinal direction.4.2.2.2 根据施工图纸安装泡沫玻璃，泡沫玻璃层在长宽方向上交错铺设，最小错边量至少100mm；Install cellular glass as per construction drawing. Cellular glass block layers shall be arranged such that they overlap by at least 100mm of length and width and conseq
24、uently.4.2.2.3 在泡沫玻璃块与底板转角板的间隙由 150mm 压缩到 75mm 玻璃棉来填充。Clearance between cellular glass block & bottom corner plate will be filled in with glass wool which is compressed from 75mm to 50mm.4.2.2.4 TCP 的安装可与绝热施工同时进行，而 TCP 临时开口位置的绝热工作待储罐的压力试验完成并完成内罐的清洗工作后再施工。The TCP installation and insulation construct
25、ion can be executed at the same time. While, insulation work at TCP temporary opening has to be done after tank hydrostatic test and cleanliness of tank.4.3 环形空间弹性毡施工 Annular Space Resilient Blanket Construction4.3.1 施工顺序 construction sequence中国石油天然气第六建设公司上海项目部China Petroleum 6th Construction Compan
26、y Shanghai Project OfficePage 10 of 17固 定 保 温 钉Fix Anchor Pin 弹 性 玻 璃 棉 铺 设Lay Out Resilient Blanket 外 层 带 铝 箔 纤 维 玻 璃 布 铺 设Lay Out Resilient Blanketwith Al Foil对 缝 处 胶 带 密 封Joint Seal By Adhesive Tape钢 索 绑 扎Rope Strap4.3.2 施工前提条件 construction preparation4.3.2.1 铝吊顶安装完成并验收合格；suspended deck completion and acceptance4.3.2.2 内罐外侧壁板上弹性毡挂钩轨道焊接完成，并验收；resilient blanket hook rail installed and acceptable.4.3.2.3 内罐水压试验完毕并清理干净；Finish tank hydrostatic test and clean inner tank.4.3.2.4 安装前施工区域需要清洁与干燥。Clean and dry construction place4.3.3 施工方法说明 construction method
