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1、1,深圳3台16104m3LNG低温储罐,2,2004年，中国石化集团第四建设公司凭借优良的资质和业绩，一举中标广东深圳大鹏湾3台16万立方米LNG大型储罐，开创了国内大型低温液化气储罐领域建设的先河。该罐单台容积16万立方米，单台结构重3500吨，内径82米，总高50米，仅罐顶自重就达700余吨，被称为“亚洲之最”。罐体结构分内、外罐，外罐为预应力混凝土结构，内罐为金属结构，罐壁为9%镍钢。罐底为三层板结构，层间保冷，中上层为镍钢，下层为碳钢。该储罐结构特殊，施工方法独特，其中包括罐顶气吹、镍钢焊接、罐底多层结构铺设均为国际安装技术领域高难课题，施工技术在国际上仅有STTS公司等少数几家公司
2、掌握。依靠雄厚的技术实力以及多年的大罐施工经验，中国石化集团第四建设公司在短时间内即突破气吹、焊接和罐底板铺设三大技术难题，其编制的施工组织设计文件得到外方充分肯定，并于2006年5月实现1#、2#储罐竣工并投入使用。,In 2004,FCC won the bid of constructing the 3160 thousand m3 LNG tanks in Dapeng Bay,Shenzhen of Guangdong province,which initiated the large scale cryogenic LNG storage tank construction in
3、 China.The unit volume is 160 thousand m3,structure weight 3500 tons,inner diameter 82m,total height 50m,the tank roof self weight some 700 tons.The tank goes by name of Asian Extreme.The tank is structured as inner tank and outer tank,the outer tank is of pre-stressed concrete,the inner tank is of
4、9%nickel metal.The tank bottom is of three courses,where the first and secondary courses are of nickel,while the third course is of carbon steel.Because of the special structure and unique construction method,especially that roof air raising,nickel steel welding and tank bottom multi courses laying
5、out are the arduous tasks in international installation field.The patent construction technology are only grasped by a few companies like STTS in the world.Based on strong technology competence and years of over-size tank construction experience,FCC overcome the difficulty in air raising,nickel weld
6、ing and bottom plate laying out.The prepared construction execution plan was fully confirmed by the foreign side.The whole construction was fluently completed on May,2005,the two tanks were soon in function.,3,土建基础施工-1,灌注桩钢笼,灌注桩2,基础承台,灌注桩1,4,预应力钢筋混凝土外罐施工,外罐体支模,预应力管安装,内侧模板,外罐体托在承台上,5,罐顶骨架的预制,6,SEGMEN
7、T ERECTION UNDER PROGRESS罐顶骨架片吊装,FINAL BOLTING AND ALIGNEMENT罐顶骨架螺栓连接成型,拱顶骨架分片吊装,7,顶板安装,顶板由外向罐中心安装,8,罐顶板安装收口,9,承压环预制安装,10,铝浮盘吊杆安装,11,铝浮盘整体提升安装,12,罐顶顶气升,顶气升设备,顶气升过程压力检测,13,顶气升过程监控,14,顶气升就位开始组装焊接,15,外罐防潮板安装,16,内罐角保护安装,17,1_st/2_nd RING INNER TANK SHELL1、2圈内罐壁的安装,内罐壁安装焊接,18,罐底安装及保冷,19,罐壁保冷,20,ERECTION OF PUMP COLUMN IN PROGRESS泵管安装就位,內罐低温泵管预制安装,21,內罐低温泵安装,22,珍珠岩填充,23,投产的LNG罐,24,到达现场LNG运输船,
