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1、第四章 主要施工方案第一节 设备吊装方案1.冷箱吊装方案1.1冷箱换热器水平状态荷载计算：冷箱换热器15671mm2641mm31343mm 1.2冷箱主体水平状态荷载计算：31344mm15672mm2641mm冷箱主体1.3. 冷箱换热器吊装数据表Project No:Cold Box Lower Section LiftingProject Location:Praxair Submitted By:Date:Prepared By:Date:Equipment Used:Main Rigging Crane :DMEAG TC2600 Type 500t Mobile Crane,As
2、sistant Rigging Crane: LIBHERR LTM1160/2,160t Hydraulic Mobile CraneCompany/Crew Making Lift:CHINA PETROLEUM JILIN CHEMICAL ENGINEERING& CONSTRUCTION CO. LtdMain lift Crane Equipment and Load Information:A. Maximum Operating Radius20B. Boom Length83C. Clearance Between Boom and Load5.082D. Clearance
3、 to Surrounding FacilitiesNoE. Clearance to High Voltage LinesNoF. Stability of Ground under Crane OutriggersOKG. Extra Blocking/Matting NeededNO NeedH. Maximum Allowable Wind 11Calculations:I. Cranes Lifting capacity 120t J. Weight of Load106.6tK. Weight of Block & Rigging +Boom Attachment1t+2.4tL.
4、 Total Lift Weight 110tM. Percent of Cranes Capacity 91.67Assistant Crane Equipment and Load Information:A. Maximum Operating Radius5B. Boom Length21.8C. Clearance Between Boom and Load2.6D. Clearance to Surrounding FacilitiesSee Lifting Layout DrawingE. Clearance to High Voltage Lines6mF. Stability
5、 of Ground under Crane OutriggersNormal RequireG. Extra Blocking/Matting NeededNO NeedH. Maximum Allowable Wind 11Calculations:I. Cranes Lifting capacity 81t J. Weight of Load68.65tK. Weight of Block & Rigging +Boom Attachment0.9tL. Total Lift Weight 69.65tM. Percent of Cranes Capacity 85.991.4附图1.4
6、.1冷箱换热器吊装立面图；1.4.2冷箱换热器溜尾吊装立面图；1.4.3冷箱吊装平面布置图1.5 冷箱主塔吊装数据表Project No:Cold Box package Section LiftingProject Location:Praxair Submitted By:Date:Prepared By:Date:Equipment Used:Main Rigging Crane :DMEAG TC2600 Type 500t Mobile Crane,Assistant Rigging Crane: LIBHERR LTM1160/2,160t Hydraulic Mobile Cra
7、neCompany/Crew Making Lift:CHINA PETROLEUM JILIN CHEMICAL ENGINEERING& CONSTRUCTION CO. LtdMain lift Crane Equipment and Load Information:A. Maximum Operating Radius20B. Boom Length89C. Clearance Between Boom and Load5.7D. Clearance to Surrounding FacilitiesSee Lifting Layout DrawingE. Clearance to
8、High Voltage Lines6mF. Stability of Ground under Crane OutriggersBy Crane Company RequireG. Extra Blocking/Matting NeededNO NeedH. Maximum Allowable Wind 11Calculations:I. Cranes Lifting capacity 120t J. Weight of Load85tK. Weight of Block & Rigging +Boom Attachment1t+2.4tL. Total Lift Weight 88.4tM
9、. Percent of Cranes Capacity 73.7Assistant Crane Equipment and Load Information:A. Maximum Operating Radius8B. Boom Length21.8C. Clearance Between Boom and Load7.1D. Clearance to Surrounding FacilitiesSee Lifting Layout DrawingE. Clearance to High Voltage Lines6mF. Stability of Ground under Crane Ou
10、triggersNormal RequireG. Extra Blocking/Matting NeededNO NeedH. Maximum Allowable Wind 11Calculations:I. Cranes Lifting capacity 59t J. Weight of Load50.82K. Weight of Block & Rigging +Boom Attachment0.9tL. Total Lift Weight 51.72tM. Percent of Cranes Capacity 87.661.6附图1.6.1冷箱主体吊装立面图；1.6.2冷箱主体溜尾吊装立
11、面图；1.7 吊装前准备工作1.7.1按照500t吊车的使用说明书的要求,进行支腿压脚的加固工作；1.7.2清除吊车接杆区域的障碍物；1.7.3垫实冷箱设备进场道路；1.7.4冷箱下塔吊装平衡梁制造。1.8主塔冷箱、换热器卸车吊装工艺1.8.1 TC2600型DEMAG500吨吊车按冷箱吊装平面布置图所示位置进行站车、接杆；吊装顺序为：冷箱换热器、主塔；1.8.2冷箱主塔和换热器分别进场；1.8.3栓挂吊索具,利用TC-2600型吊车卸车；1.8.4将冷箱换热器水平抬起后,拖车开走；1.8.5搭设道木墩,冷箱下塔上塔水平放置到道木墩上,安装梯子平台。1.9 冷箱主塔/换热器吊装工艺1.9.1拴
12、挂抬头TC-2600型500t吊车平衡梁、吊索具；1.9.2LTM1160/2型LIEBHERR160t抬尾吊车站车、栓挂吊索具；1.9.3两吊车同时起吊,将冷箱主塔换热器水平抬起；1.9.4 TC2600型DEMAG500吨吊车起钩、转杆,LTM1160/2型LIEBHERR160t吊车送尾,冷箱下塔慢慢竖直；1.9.5 TC2600型DEMAG500吨吊车转杆,冷箱主塔/换热器吊装就位。1.10.吊装平衡梁计算 以冷箱主塔吊装平衡梁为例进行计算,冷箱换热器也使用此平衡梁。冷箱下塔吊装重量：106.6t；设备直径：4100mm；选用27310 钢管做为平衡梁,如图所示：长度 4200mm 平
13、衡梁的长度是由冷箱吊装的两吊耳距离来确定,材质：20#钢。第二节 冷箱安装方案1工程概况11*三期空分工程是继一、二期后的新建装置,冷箱是三期装置区最高、最重的设备,分两部分到货,在现场安装平台、梯子后,进行吊装、安装、组对和焊接工作。12设备具体参数见下表：序号部件名称外形尺寸重量kg1主塔Column Package3962303531066002换热器Upper Package396231826671501.3冷箱到货是模块式,分为两部分,一部分为主塔冷箱,另一部分为从冷箱换热器,冷箱部的冷凝塔、氩塔等设备都安装完毕,并且所有工艺管线、仪表管线都已安装完毕。只是需要进行冷箱、换热器筒壁、工艺管线、仪表管线的连接。1.4在进行完管线连接和附件安装后,冷箱部系统要进行试压和吹扫
