宾西锅炉、汽轮机施工组织设计.doc

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recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and companys comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the three (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine materialWe will continue to improve the companys internal control system, and steady improvement in ability to manage and control, optimize business processes, to ensure smooth processes, responsibilities in place; to further strengthen internal controls, play a control post independent oversight role of evaluation complying with third-party responsibility; to actively make use of internal audit tools detect potential management, streamline, standardize related transactions, strengthening operations in accordance with law. Deepening the information management to ensure full communication zero resistance. To constantly perfect ERP, and BFS+, and PI, and MIS, and SCM, information system based construction, full integration information system, achieved information resources shared; to expand Portal system application of breadth and depth, play information system on enterprise of Assistant role; to perfect daily run maintenance operation of records, promote problem reasons analysis and system handover; to strengthening BFS+, and ERP, and SCM, technology application of training, improve employees application information system of capacity and level. Humanistic care to ensure zero. To strengthening Humanities care, continues to foster company wind clear, and gas are, and heart Shun of culture atmosphere; strengthening love helped trapped, care difficult employees; carried out style activities, rich employees life; strengthening health and labour protection, organization career health medical, control career against; continues to implementation psychological warning prevention system, training employees health of character, and stable of mood and enterprising of attitude, created friendly fraternity of Humanities environment. To strengthen risk management, ensure that the business of zero risk. To strengthened business plans management, will business business plans cover to all level, ensure the business can control in control; to close concern financial, and coal electric linkage, and energy-saving scheduling, national policy trends, strengthening track, active should; to implementation State-owned assets method, further specification business financial management; to perfect risk tube control system, achieved risk recognition, and measure, and assessment, and report, and control feedback of closed ring management, improve risk prevention capacity. To further standardize trading, and strive to achieve according to law, standardize and fair. Innovation of performance management, to ensure that potential employees zero fly. To strengthen performance management, process control, enhance employee evaluation and levels of effective communication to improve performance management. To further quantify and refine employee standards . Work, full play party, and branch, and members in five type Enterprise construction in the of core role, and fighting fortress role and pioneer model role; to continues to strengthening four good leadership construction, full play levels cadres in enterprise development in the大成生物科技有限公司“二炉二机”及附属设备安装工程施工组织设计黑龙江省安装工程公司二0一一年三月施工组织设计审批表工程名称哈尔滨大成生物科技有限公司“二炉二机”及附属设备安装工程编制人部门审批意见责任人项目经理部审批项目负责人: 年 月 日技术负责人: 年 月 日质量负责人: 年 月 日安全负责人: 年 月 日公司级审批技术部门负责人: (公章) 年 月 日质量部门负责人: (公章) 年 月 日安全部门负责人: (公章) 年 月 日生产部门负责人: (公章) 年 月 日总工程师: (公章) 年 月 日建设单位审批专业工程师: 年 月 日建设单位负责人: (公章)年 月 日第一章 工程概述(一)工程概述及工期、质量本工程为哈尔滨大成生物科技有限公司电站设备安装工程 。工程规模为75t/h循环流化床锅炉两台,6MW双抽凝汽式汽轮发电机组两台及其附属设备、系统安装。本项工程整个施工过程都要与建筑工程交叉进行,安装过程中不安全因素多,在施工过程中要严格遵守“安全第一,预防为主”的安全指导方针,科学合理地制定安全技术保证措施,确保施工安全有序进行。(二)、工程质量工程质量一次验收达到合格,争创优质。持续不断改进,强化施工过程控制,全员参与质量管理。合同履约率100%,顾客满意率100%。(三)、工期开工日期:2011年3月15日竣工日期:2011年10月31日日历天数:195天(四)、安全文明施工目标:杜绝死亡和重伤事故,实现零事故目标;杜绝重大交通事故和重大机械设备事故;控制减少轻伤事故,轻伤事故频率控制在8以内;火灾事故,职业病事故为零;无施工环境污染投诉事故;施工现场安全文明施工管理标准化达标;争创省文明工地。第二章 编制依据1. 电力工业锅炉压力容器监察规程DL612-19962. 电力建设施工及验收技术规范(锅炉机组篇)DL/T5047-953. 电力建设施工及验收技术规范(汽轮机组篇)DL5011-924. 中华人民共和国电力行业标准DL/T869-2004(火力发电厂焊接技术规程)5. 电力建设施工及验收技术规范(管道篇)DL5031-946. 电力建设施工及验收技术规范(火力发电厂化学篇)DLJ58-817. 电力建设施工及验收技术规范(管道焊接接头超声检验篇)DL/T5048-95;8. 电力建设施工及验收技术规范(钢制承压管道对接焊头射线检验篇)DL/T5069-1996;9. 蒸汽锅炉安全技术监察规程劳动部发(1996)276号。10. 火电工程调整试运质量检验及评定标准建质(1996)111号;11. 火电施工质量检验及评定标准共十一篇12. 机械设备安装工程施工及验收规范GB50231-9813. 工业金属管道工程施工及验收规范GB50235-97;14. 压力钢管制造安装及验收规范DL5017-93;15. 火力发电厂基本建设工程的启动及竣工验收规程电建(1996)159号;16.压缩机、风机、泵安装工程施工及验收规范(GB50275-98)17.连续输送设备安装工程施工及验收规范(GB50271-98)18ZKC型重型框链除渣安装图册92R32919建筑安装工程质量检验评定统一标准(GB50301-2000)20.黑龙江省安装工程公司管理体系文件(HLJAZ/GS/B-2007、HLJAZ/CW-2007)。recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and companys comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the three (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine materialof backbone backbone role; to full strengthening members youth work, full play youth employees in company development in the of force role; to improve independent Commission against corruption work level, strengthening on enterprise business key link of effectiveness monitored. , And maintain stability. To further strengthen publicity and education, improve the overall legal system. We must strengthen safety management, establish and improve the education, supervision, and evaluation as one of the traffic safety management mechanism. To conscientiously sum up the Olympic security controls, promoting integrated management to a higher level, higher standards, a higher level of development. Employees, today is lunar calendar on December 24, the ox Bell is about to ring, at this time of year, we clearly feel the pulse of the XX power generation company to flourish, to more clearly hear XX power generation companies mature and symmetry breathing. Recalling past one another across a railing, we are enthusiastic and full of confidence. Future development opportunities, we more exciting fight more spirited. Employees, let us together across 2013 full of challenges and opportunities, to create a green, low-cost operation, full of humane care of a world-class power generation company and work hard! The occasion of the Spring Festival, my sincere wish that you and the families of the staff in the new year, good health, happy, happy第三章 施工组织机构项目组织机构项 目 经 理朱景明责任工程师蔡子君管道工程师张 慧安全工程师郭连喜材料工程师姚占坤质检工程师肖月生设备工程师王喜臣锅炉工程师吕 聪第四章 劳动力计划及施工机械设备施工机械需用计划序号机械或设备名称型号规格(功率KW)数量国别产地制造年份额定功率生产能力备注1汽车吊1201日产99120t2汽车吊25t1日产 9925t3载重汽车5t2国产 995t4坡口机426(1)4国产 023kw5氬弧焊机300A(12)20国产 0315kw6逆变焊机ZX7-400S(14)32国产0215kw7卷扬机5t(14)8国产0111kw8电动试压泵ZD-SY(3)2国产002kw9手拉葫芦23t20国产0410手拉葫芦5t8国产0411手拉葫芦10t6国产0312焊条烘干箱ZD-SY59(3)2国产033kw13无齿锯(1.5)4国产981.5kw14探伤机X2015(0.8)2国产0015水准仪SJZ12国产0316磁力氧气切割机GCD-1002国产0217经纬仪DJJ2国产0018千斤顶32t4国产0419除湿机1国产0320干湿温度计1国产04第五章 总体施工方案一、 锅炉安装钢架组对在组对平台上进行,组对后的门式架及锅筒用一台130t汽车吊进行吊装就位。25t汽车吊配合。1#炉钢架和2#炉钢架的组合位置分别设在1#炉和2#炉锅炉基础的左侧和右侧。其组合方法是分别将Z1左Z2左,Z1右Z2右,Z3左Z4左和Z3右Z4右组合成门式钢架。并将炉顶板分为两部分组合。燃烧室炉顶为一部分;尾部竖井顶为一部分。组合平台采用砼支墩,上铺设工字钢工16框架。锅炉钢架的吊装及锅筒吊装采用130t汽车吊,25t汽车吊配合。吊装顺序依次为Z1左Z2左门式钢架吊装Z1右Z2右门式钢架安装Z1左Z1右间联系梁安装Z2左Z2右间联系梁安装燃烧室顶板梁吊装锅筒吊装Z3左Z4左门式钢架吊装Z3右Z4右门式钢架吊装Z3左Z3右间联系梁吊装Z4左Z4右间联系梁吊装尾部顶板梁吊装。1#炉钢架和锅筒安装完后,以同样方法和顺序进行2#炉钢架的吊装。(详见吊装方案)锅炉钢架和锅筒吊装完后进行梯子平台安装时接至运转层的梯子暂不安装,待土建施工后进行。锅炉钢架、锅筒、梯子平台安装完后进行受热面管子的校验矫正和通球试压吹扫。锅炉受热面和旋风分离器安装:首先安装顶棚水冷壁,依次施工上段前后、左、右水冷壁,然后安装中段水冷壁,下段水冷壁,同步安装旋风分离器、过热器、省煤器,然后安装空气预热器。吊装方法采用卷扬机进行吊装,手拉葫配合。受热面管子、下降管,本体范围管道焊接采用氩电联焊和氩弧焊,60的管子采用氩弧焊。锅炉安装的顺序按锅炉施工程序图。各种检验试验放样校验部件开箱检验二、 锅炉安装程序图受热面通球试压吹扫安装前准备基础验收放线钢架组对、膜式壁组对钢架吊装炉顶平台吊装锅筒吊装梯子平台安装过热器安装旋风分离器安装水冷系统安装省煤器安装空气预热器安装本体管道安装给水管道安装本体管道安装水压试验本体砌筑本体保温小型设备单机试运漏风试验严密试验试运竣工烘、煮炉三、 汽轮机安装汽轮机的安装主要依靠设在汽轮机间的桥式吊车,配备手拉葫芦。汽轮机的施工程序:设备开箱清点检查基础准备垫铁配制、敷设轴承座检验汽缸与台板研刮组合落地式轴承座就位下汽缸就正汽轮机轴瓦检修安装转子清扫检查转子找中心汽缸负荷分配隔板、汽封套找中心推力轴承检修安装通流间隙测量调整汽机扣大盖基础二次灌浆轴瓦、油档间隙及轴瓦紧力测量调整联轴汽中心复查、绞孔联接轴承座扣盖本体疏水、轴封及真空系统管道安装本体保温、油漆及罩壳安装。具体施工要求见关键施工技术方案。四、 发电机安装发电机安装前的检查发电机定子安装转子安装(详见关键施工技术方案)五、 附属设备安装总的施工方法最终找正找平方案编审二次灌浆 设备检验拆检清洗方案编审基础验收吊装就位对中找正最终检验找正单机试运地脚灌浆六、 工艺管道施工管材、管件、附件及阀门的检验、支吊架制安、管道预制、管道安装、试压、吹扫、防腐保温。管道施工时首先要对管子内部进行清理干净,坡口按作业指导书加工,管端按作业指导书进行清理、除锈直至露出金属光泽。组对焊接作业指导书进行。除循环水管道和排放管道采用手工电弧焊外,其余管道均采用氩弧焊或氩电联焊,60的管道采用氩弧焊。主蒸汽管道焊前须进行预热,焊后进行热处理。润滑油管道安装完后,须进行拆除酸洗和复装。垫片采用耐油耐热垫。管道复装后及时进行油循环,避免二次生锈。所有管道在安装前必须进行内、外部清理,中断安装时进行封堵,以免进入杂物。七、 非标制作和安装非标件制作前,首先进行材料检验,经检验合格后按图纸要求进行制作。烟风道制作完后进行煤油渗漏试验。八、 防腐、保温防腐、保温施工前首先要对原材料进行检验,材质是否符合要求,性能参数是否符合标准要求,尺寸是否达到要求。保温层施工时两层或以上时,接缝必须错开。保温后要求用钢针和尺对保温层厚度进行检查,防腐也要按标准要求认真检查,确保其质量符合要求。第六章 关键施工技术方案1、施工方法1)锅炉安装a)锅炉的施工方法及措施锅炉本体、构件概况按图将钢柱和连系梁,现场预制成门式钢架,每台炉4榀,两台炉共8榀钢架。钢架高度27410mm28880mm钢架宽度钢架(Z1左Z2左,Z1右Z2右)5200mm钢架(Z3左Z4左,Z3右Z4右)3400mm钢架重量钢架(Z1左Z2左,Z1右Z2右)重10801.44kg。钢架(Z3左Z4左,Z3右Z4右)重11611.95kg。炉顶钢架前部炉顶板长5200mm,宽7700mm,重量约7600kg,安装高度28350mm。后部炉顶板长3400mm,宽7700mm,重量约3200kg,安装高度29500mm。锅 筒筒体150060 L=8200mm,重量24445kg,安装高度29500mm。1、钢架组合a) 组合前的准备与检查组合场地准备按总平面图给定组合场地位置,组织力工清理场地,挖土、垫石块,夯实。在组合架支座位置,放预埋板30030012,然后浇注C=15砼垫层=250mm厚。且场地施工完后不得下沉,不得变形。按预埋钢板位置焊接支架,支架采用型钢焊接成形。如图所示:1钢板20020012 2型钢槽钢16号3预埋地脚板 4砼地面 516号工字钢支架安好后用水准仪找好标高、水平度,然后放上16号工字钢,再用水准仪找平。设备清点组合前,应对所有的柱、大梁、次梁、过度梁、连接梁、斜支撑等,按供货清单进行全面清点,核对。对钢架部件的检查与校正a按图纸及装箱单检查各部零件的数量、规格、材质;要求一一对应,齐全合格;b检查梁、柱的主要几何尺寸、外形;如长短、高宽,是否符合规定。梁、柱是否平直有无扭曲变形;柱、梁上的孔位、孔径、孔数、铁件等位置是否符合图纸设计规定。c零部件有无裂纹、重皮、凹陷、锈蚀等。d柱上牛腿标高、位置是否正确。e钢架部件的金属质量,焊接外观质量是否符合焊接标准和金属材料标准。f把要组装的钢结构,放上组合平台,根据图纸划出柱中心线、梁中心线,打上冲孔标记,特别是主柱一米标高线,必须准确无误。g上述工作做完后,要按顺序、分类、编号。并把检查结果作出文字记录,双方检查人员签字,变形较大的,现场不能处理的应与建设单位代表或制造厂代表研究解决。2、吊装方法:根据门式钢架、顶板梁和汽包的外型尺寸、重量、安装高度及现场情况,决定选用130t汽车吊为主吊、25t汽车吊配合,吊装门式钢架、顶板梁和汽包。130t吊出杆40M,回转半径10M,可吊24.5t可以满足设备的吊装需要。3、吊装程序:2台炉共8榀门式钢架、4块顶板梁全部制作完、钢架之间连接梁、汽包全部进场后,开始吊装。先吊1#炉、再吊2#炉。A、先吊装Z1左-Z2左钢架和Z1右-Z2右钢架、找正、底角焊完后吊装两侧连接梁,然后吊装顶板梁。B、吊装鞍座和汽包。C、吊装Z3左-Z4左钢架和Z3右-Z4右钢架、找正、底角焊完后吊装两侧连接梁,然后吊装顶板梁。D、吊装Z2- Z3之间侧连接梁。4、技术要求:A、在吊装钢架、顶板梁、汽包时,130t汽车吊均站在两台锅炉中间位置、吊装钢架回转半径控制在13M以内,吊装顶板梁回转半径控制在16M之内,吊装汽包回转半径控制在10M以内。B、吊车支腿要用道木或钢板垫平、垫实。C、汽包和顶板梁正式起吊前,先倒放到130t汽车吊起吊回转半径之内。正式起吊时要设置溜绳,并在地面找平、找正方位、否则到顶后不宜旋转。D、钢架起吊前,在每榀钢架的钢柱上部,有横梁的地方,栓4根3分钢丝绳、预备找正。并焊上爬上爬梯。E、钢架、顶板梁、汽包在正式起吊前均应经过试吊,即构件吊离地面20cm 高后停止起升。检查绑扎绳扣是否牢靠、吊车支腿是否稳固。经检查确认无误后、方可正式起吊。F、钢架吊装到位后,先找正底角十字线、并在底板四面焊临时铁板挡住,防止钢柱串动。用2台经纬仪分别找正钢架的正面、侧面的垂直度,先找正正面后,然后用4根拖拉绳挂斤不落,找正侧面2根钢柱。待找正结束后焊接底板、吊连系梁。5、钢架安装按吊装方案将门式钢架吊到基础上,用缆风绳找正、找直再焊上横梁及斜支撑,焊接时特别注意焊接变形,并有防变形的技术措施和变形后要采取的校正措施。钢架安装时应满足下列要求:序号项目名称允许偏差尺寸mm1柱顶标高Z1-5mm,Z2、Z3、Z45mm2钢柱间距长度的1/1000且不大于10mm3钢架垂直度长度的1/1000且不大于15mm4钢柱中心与基础中心5mm5横梁标高5mm6各柱相对标高3mm7横梁不水平度长度的0.5/1000且不大于5mm8各柱梁间对角线长度的1.5/1000且不大于5mmA汽包、联箱安装1、汽包、联箱安装必须将所有联箱及汽包内部清扫干净,各接管座应无汽包、联箱吊装必须在锅炉构架找正固定完毕后方可进行;安装找正时,应根据构架中心线汽包,联箱上已复核过的铳眼中心线进行测量,安装标高应以构架1m标高点为准,汽包吊环及联箱的支座吊环安装前应检查接触部位,接触角在90内,接触应良好,圆弧应吻合,符合制造设备技术文件的规定要求,汽包联箱的支座与横梁接触应平整严密,预留膨胀间隙应足够,方向应正确,吊挂装置的吊耳、吊杆、吊板和销轴等的连接应牢固。焊接工艺应符合设计要求,吊杆紧固时应注意负荷分配均匀,水压前应进行吊杆受力复查。2、汽包内部装置(一) 锅筒内部设备装配时,将所有焊缝严密焊接,焊后须仔细检查其严密性。(二) 内部设备与锅筒内部设备预焊件相焊,焊完后仔细清除所有熔渣杂质不得使其存留在锅筒内。B水冷系统安装水冷系统安装前先检查膜式壁组合件的几何尺寸,水冷系统的光管在钢平台上放样进行校验。安装时用卷扬机及25t汽车吊配合进行吊装。水冷系统安装时的焊接,膜式壁管采用手工钨极氩弧焊。水冷系统安装应符合下表要求序号项目名称允许偏差(mm)1联箱水平度22组件对角线103组 件 宽 度2/1000且154火口纵横中心线105组 件 长 度106组件平整度107联箱间中心线垂直距离108对 接 错 口壁厚10 %且19管口端面倾斜0.5刚性梁固定用的钢板,施工时必须与水冷壁、包墙管的管子全部贴紧。恒力弹簧吊架的安装,当载荷满足设计要求后调整吊杆上的花篮螺母,取下定位销,不允许用强力或火焰切割方法取下定位销。C省煤器安装省煤器蛇形管在安装前按锅炉工作压力的1.5倍进行水压试验,水压试验后用压缩空气进行通球试验,所用球为硬质木材,球直径按管道内径及管道的弯曲半径而定。压缩空气吹扫时气体流速不小于20m/S。省煤器材质为20g,省煤器蛇形管焊接采用手工钨极氩弧焊,焊丝采用TIG-J50,固定装置采用手工电弧焊,焊条根据夹板材质确定。 省煤器安装应满足下表要求序号项目名称允许偏差(mm)1组件宽度52组件对角线103联箱中心距蛇形管端部长度104组件边管垂直度55边缘管与炉墙间隙符合设计要求6管子对接偏折度17管子对接错口管壁厚的10%8蛇形管间距59蛇形管水平和垂直度510蛇形管排平整度5D过热器安装:过热器蛇形管在安装前按锅炉工作压力的1.5倍进行水压试验,过热器水压试验后,用压缩空气进行通球检验,所用的球用钢球,球直径按管道内径的及管道的弯曲半径而定。压缩空气吹扫时气体流速不小于20m/S。过热器管道焊接采用手工钨极氩弧焊。 过热器安装应满足下表要求:序号项目名称允许偏差(mm)1蛇形管间距52蛇形管自由端长度103管排平整度204边缘管与炉墙间隙符合设计要求5管子对接偏折度16组件宽度57边缘管不垂直度58组件边管对角线109顶棚管排平整度510管子对接错口管壁厚的10%减温器在安装前应检查制造厂提供的组装封闭签证,并进行外部检查,各接管应畅通,焊接应正确。对安装后出现缺陷不能处理的受热面管子,在组装前应做一次单根水压试验或无损探伤,实验压力为工作压力的1.5倍,试验后,应将管内积水吹扫干净。E锅炉本体管道安装:锅炉本体管道中所安装的阀门在安装前进行强度和严密性试验,试验时用清水做为试验介质,强度试验压力为阀门的公称压力的1.5倍,严密性试验压力为阀门的公称压力。锅炉本体管道中法兰连接处的垫片采用石墨缠绕垫片。锅炉本体管道的材质为20,锅炉本体管道焊接时,当管道壁厚5mm时采用手工钨极氩弧焊,当管道壁厚5mm时采用氩电联焊,焊丝采用TIG-J50,焊条采用E4303。锅炉本体管道安装应符合下表要求:序号项目名称允许偏差(mm)1管子对接错口管壁厚10%,且0.52管子对接偏折度13管子安装标高及座标54管端长度5F空气预热器安装空气预热器在安装前应检查管箱外形尺寸,清除管子内外的尘土,锈片杂物,检查管子和管板的焊接质量,必要时进行渗油试验检查其严密性。空气预热器安装允许偏差序号检查项目允许偏差1支承框架上部水平度32支承框架标高103管箱垂直度54管箱中心线构架立柱中心线间的间距55相邻管箱的中间管板标高56整个空气预热器的顶部标高57管箱上部对角线差15空气预热器安装结束后,与冷、热风道同时进行风压试验,应无泄漏,在锅炉机组启动前还应进行一次全面检查,管内不得有杂物,尘土堵塞。G烟、风管道预制与安装用于烟、风管预制的材料均应符合设计要求,质量证明资料齐全。如市场无设计规格需代用时,应向监理工程师及设计单位提出,由设计单位出具设计变更,经监理工程师审批后方可代用。烟、风管预制应满足下列规定。序号检 查 项 目允许偏差(mm)1方(矩)型截面边长边长的1/10002方(矩)型截面对角线边长的2/10003圆形截面直径直径的3/10004圆形截面的椭圆度直径的3/10005预制件的长度(不允许负值)长度的2/10006预制件的弯度长度的2/10007法兰盘中心与螺栓孔中心距离18法兰盘边缘不相合29法兰垂直度边框尺寸15001500 边框尺寸25002500 边框尺寸2500250035710伸缩节高度511接管座长度512烟、
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