1、封闭母线安装及调整作业指导书样本CSPC NANHAI PETROCHEMICALS PROJECTCSPC 南海石化项目封闭母线安装及调整Installation and adjusting of isolated phase busbarWORK INSTRUCTION: WI-8710-8100-0073 SEPCO Electric Power Construction Corporation山东电力基本建设总公司REV版次DATE日期REASON FOR ISSUE修订原因BY编制CHKD审核REVIEW审查APPR批准A8.Feb. Issued for ApprovalHao.B
2、LLiu.ZXXiao.TPTian.GHB21.Mar. Issued for ApprovalHao.BLLi.WQXiao.TPTian.GHC27.Mar. Issued for ApprovalHao.BLLi.WQXiao.TPTian.GHD3.Apr. Issued for ApprovalHao.BLLi.WQXiao.TPTian.GH003.May. Issued for UseHao.BLLi.WQXiao.TPTian.GH Revision information修改记录Rev版次Section No.章节号Description of main changes主要
3、修改内容AB2.8Add all the section 增加整条6.5.6.3Add all the section 增加整条C6.2.5.8Add all the section 增加整条6.2.5.4”24hours”should be”12 hours”将”24小时”改为”12小时”。D3.6Expunge ”windows and doors have been insallated.”删掉”门窗安装完毕”6.2.4.5Add all the section删掉整条001.0修改第二句和倒数第二句Modify the second and second last sentences2
4、.2改为”生产厂家提供的安装运行手册”Should be ”Vendors installation and commissioning manual”3.10Add all the section增加整条6.1增加”接地”Add ”grounding”6.2.6Add all the section增加整条6.2.7Add ”Connection from the instrument header to the Air pressurization device shall be made under supervision of responsible I&C engineer”Cont
5、ents1.0 工程概况 general2.0 编制依据 references 3.0 施工准备 construction preparation 4.0 主要施工机械及工具 major machines and tools 5.0 劳动力组织 labor force 6.0 施工工序和施工方法 construction procedure and method7.0 工作安全分析 JSA8.0 附表 Appendix10 工程概况general CSPC 南海石化项目汽电联产工程包括5台发电机组, 其中4台60MW汽轮机, 1台42.3MW燃机, 发电机出线连接箱至主变压器低压侧为封闭母线连
6、接, 与接地箱经过电缆连接, 母线与发电机出线端连接处设一连接箱。离相式封闭母线内母直径为150mm, 外壳直径为450mm, 母线共计3*( 6*4+2) =78节, 需完成硬连接结构36套, 软连接结构9套, 可拆卸连接45套。另外需安装PT柜12只, 中性点接地箱5只, 微正压装置5套。本工程计划于 5月5日开工, 10月15日竣工。 S&P Unit for CSPC Nanhai Petrochemicals project includes 5 generators, in which 4 of 60MW ST generators and 1 of 42.3 MW GT gene
7、rator. The connection from generator terminal box to main transformers 11kV terminals shall be isolated phase busbar (IPB), and a outline box set in the connection point of IPB to generator. IPB inner conductor diameter is 150mm and the enclosure is 450mm. The sections shall be 3*( 6*4+2) =78 pcs, t
8、here are 36 sets of hard jointing structures, 9 sets of flexible jointing structures, and 45 sets of disconnect link structures. In addition,the IPB has tap offs to 12( 3*4) PT cabinets for STGs, each IPB is equipped with Air pressurization units. The installation scheduled to start on May 15th, and
9、 finish Otc.15th, .20 编制依据refenrences 2.1施工图纸及变更通知单。IFC drawings and change notes.2.2生产厂家提供的安装运行手册。Vendors installation and commissioning manual.2.3电气装置安装工程施工及验收规范。Electrical apparatus installation and inspection and acceptance specification。.2.4电气装置安装工程质量检验及评定规程DL/T5161- Quality inspection and asse
10、ssment regulations of electric device installation project DL/T5161- 2.5电气装置安装工程电气设备交接试验标准GB50150 91。Electrical apparatus installation handover testing standard .2.6电力建设安全工作规程。Electrical construction safety regulation.2.7铝母线焊接技术规程DL/T 754- 。Welding technical regulations of aluminium busbar DL/T 754-
11、 2.8参考DEP 30.10.60.18-CSPC条款。Refer to item DEP 30.10.60.18-CSPC.30 施工准备construction preparation3.1基础、 构架符合电气设备的设计要求。The foundation and structure shall meet the design requirements.3.2屋顶、 楼板施工完毕, 不得渗漏。Roof and floor are completed without leakage.3.3室内地面基层施工完毕, 并在墙上标出抹平标高。Indoor floor base is complete
12、d and the elevation is marked on the wall.3.4设备基础、 构架达到允许安装的强度, 焊接构件的质量符合要求, 并经验收合格。The foundation and structure is strong enough, and welded members is checked and acceptable. 3.5有可能损坏已安装母线装置或安装后不能再进行的装饰工程全部结束。Those work which may damage the erected busbar or may not be done after erection shall be
13、 completed.3.6施工用道路畅通。Roads are ready.3.7检查设备型号是否与设计相符合, 设备编号是否一致。To check the equipment type and serial number for compliance with the design.3.8检查设备本体及附件应无损伤、 损坏、 锈蚀, 绝缘件应无变形、 受潮、 裂纹和剥落。To check the equipment and accessory for any damage, rust, deformation, damp, crack and flaking away. 3.9设备运输及现场
14、临时保管: transportation and site storage3.10负责此工程的工程师已经熟悉厂家提供的安装及运行手册。Responsible engineers have read and understood manufacturers instruction and commissioning. 在装卸及运输过程中, 应密切注意, 不得使设备受到碰撞或剧烈震动。During handling and transportation, no collision or violent shock shall be happened. 设备运到现场按原包装放置于平整、 无积水的场地
15、, 按编号分组放置。场地不平的应铺垫枕木。当天安装不完的要加盖蓬布遮盖, 防止受潮。The packed equipment shall be placed in level and dry ground in order. Crosstie shall be placed if necessary. Those not installed in the day shall be covered to prevent from damp.整个设备存放及施工区域应用防护栏围起。The storage and erection area shall be properly barriered 4.
16、0 主要施工机械及工具main construction machines and tools 25t汽车吊一部。1 of 25t crane 起吊辅助工具若干( 钢丝绳、 棕绳、 索具、 卸扣) 。Rigging gear such as wire rope, slings and shackles etc. 1t倒链3个, 2t倒链1个3 of 1t chainblocks, 1 of 2t chainblocks.氩弧焊机1台。1 Argon arc welding machines5.0 劳动力组织5.1 施工负责人1人。1 construction in charge5.2 技术负责
17、人1人。1 technical in charge5.3 HSE 1人。1 HSE person 电气高压安装工人6人。6 HV erecters5.4 起重工2人。2 riggers5.5 操作工1人。1 operator5.6 架工3人。3 scaffold erecters5.7 高压焊工(氩弧焊工)1人。1 HV argon arc welders60 施工工序及施工方法construction process and method6.1安装工艺流程process设备倒运现场开箱检查清理脚手排架搭设中心线测量确定支、 吊架安装PT柜、 中性点接地箱及发电机出线箱的安装封闭母线安装组装调
18、整焊接接地清理和试验。Equipment transportation site case opening cleaningScaffold building centerline set upsupporting and suspending structures assemblyInstallation of PT cabinets, neutral grounding cabinets and generator outline boxesIPB installation assembly and adjusting welding groundingcleaning and testi
19、ng6.2施工工序procedures6.2.1脚手排架搭设 Scaffold building 搭设工作由专业架工进行。搭设完毕后报BSF审批合格后方可使用。Leave the building work to professional scaffold erecters. And deliver them to BSF for reviewing and approval before use . 6.2.2中心线测量确定: centerline set up 6.2.2.1应按照图纸对发电机中心坐标、 出线坐标、 主变的坐标位置进行仔细校对, 测绘出封母安装中心线, 确定无误后, 再进行
20、下一步工作。6.2.2.2封母的供货均为成品, 余量不大,须严格控制母线各方向的偏差。The supplied isolated phase busbar has not much excess, so the structure elevation and distance shall be checked before installation for accurate connection.To carefully check coordinates of generator center and lead and transformer location and mark the ce
21、nterline of busbar as per drawing at first. 6.2.3支、 吊架安装: supporting and suspending structures assembly6.2.3.1测量钢支架的中心坐标, 调整位置同实际要求的尺寸相符合, 为减少高空作业, 钢架可在地面适当组装后吊装就位。To set up the center coordinate of the structures. The structures shall be assembled on the ground for less work at height.6.2.3.2按支、 吊架
22、的编号进行安装。To assemble supporting and suspending structures as the number.6.2.4 PT柜、 中性点接地箱及发电机出线箱的安装Installation of PT cabinets, neutral grounding cabinets and generator outline boxes6.2.4.1所有的箱体均应固定牢固, 水平度及垂直度符合规程要求。They should be fixed firmly, horizontal and vertical error shouldnt exceed the allowa
23、ble value in the regulations.6.2.4.2箱内设备需进行仔细检查, 并进行电气绝缘试验。 Check the equipments in cabinets and boxes ,and carry out electrical insulation test。6.2.5封闭母线安装: IPB installation6.2.5.1母线吊装的顺序, 根据坐标及相序, 从发电机端开始向主变方向延伸。The sequence of IPB installation is from the generator to the main transformer accordi
24、ng to the coordinate and phase sequence.6.2.5.2由于封母为铝质, 且外壳与导体间用绝缘子支撑, 在吊装、 拖运、 就位时应有保护措施, 防止母线变形、 损坏。During handling, transportation and positioning, there shall be proper protected to prevent from any deformation and damage.6.2.5.3吊装就位后, 进行中心位置的调整, 以达到设计要求。After positioning, to adjust the center t
25、o the design requirement.6.2.5.4调整之后, 即进行母线的固定和段口的连接。确保各接口处、 三相短路铝排、 穿墙板、 PT柜处安装尺寸的正确。一般封闭母线的内临时支撑只有在内母线连接完毕后方可拆除。After adjustment, to carry out busbar fixing and connection. To ensure installation dimension of all joints, 3-phase short circuit aluminium bar, wall through plate and PT cabinet to be
26、correct. The inner temporary support shall be removed only after the inner busbar connection complete. 6.2.5.5母线的连接分硬连接和软连接( 硬连接: 抱瓦焊接; 软连接: 铝波汶管及软连接板焊接; 可拆连接: 橡胶波汶管、 软连接板及导电连接板螺接) 应注意橡胶波汶管密封的严密性, 同时在密封面上均匀涂两层密封胶。The connection of busbar includes hard , flexible connection and disconnect link. (hard
27、 jointing: to be connected by holding tiles; flexible jointing: be connected by aluminium ripple pipe and flexible jointers; disconnect link : be bolt connected by rubber corrugation tube ,flexible jointers and flexible jointers) the air tight of corrugation tube shall be concerned and two layers of
28、 sealing glue shall be coated on the surface.6.2.5.6母线与两端设备一般采用铜软连接, 母线安装后暂时不宜安装, 待所有试验结束后再行连接。The copper soft connection between busbar and equipments shouldnt be installed till all eletrical tests completed.6.2.6母线焊接: busbar welding6.2.6.1母线采用MIG氩弧焊焊接, 焊接人员须持有有效的氩弧焊工证。开工前须将焊接试件送检, 经PMC及监理确认后方可正式施焊
29、。The argon arc welding is applied and the welder shall hold the valid certificate.The test pieces shall be tested and approved by PMC and supervision engineers before formal welding.6.2.6.2母线焊接所用的焊丝, 焊丝应有合格证, 使用前方可打开焊丝包装, 以防止焊丝被氧化.The welding wire for busbar shall have quality certificate, and the p
30、ackage shall be opened only before welding to prevent from oxidation. 6.2.6.3焊接作业不可在大风及有雨的环境下进行。The welding shall not be carried out under windy and rainy climate.6.2.6.4本工程焊接均为搭接式。焊接前应将母线及抱瓦搭接处两侧表面50mm范围内用电动钢丝刷打磨干净, 不得有氧化膜、 水分和油污。清理完毕后应立即进行焊接工作, 其间隔时间不应大与12小时。All welding are butt joints. 50mm aroun
31、d butt joint places of busbar and holding tiles shall be burnished and free from oxide, water and oil contamination. Welding shall be done immediately after cleaning up, and the interval shall not more than 12 hours.6.2.6.5焊接参数:welding parameters焊件厚度(mm)焊接方法method焊丝直径wire diameter焊接电流(A)current电压(V)voltage氩气流量(L/min)argon flow送丝速度speed8MIG1.6180-220A24-26V25-284.
