670MW火电机组化学水系统设备及管道安装措施.doc

目录Content1技术措施的依据11 Basisof compilation12工程概况22 Project overview23施工应具备的条件73 The condition for construction74施工主要机具及材料74 Major equipment and material85施工方法、步骤95 The construction methods and process96劳动力配置及工期186 construction duration and labor allocation187施工应达到的质量标准及工艺要求197 Quality standard and technology requirement198安全及施工要求248 Safety and construction requirements249成品及半成品保护要求269 Protection requirements of finished products and semi-finished products2610附表sheet2710Attachment27附表128Attached Table 128附表247Attached Table 247附表367Attached Table 3671技术措施的依据1 Basisof compilation1.1电力建设安全工作规程（火电施工部分）DL 5009.1-20021.1 Power plant construction security standard DL5009.1-20021.2电力建设施工技术规范第5部分：管道及系统DL 5190.5-20121.2 Technical specification for construction ofelectric power construction The fifth part:pipeline and system DL 5190.5-20121.3电力建设施工质量验收及评价规程第5部分：管道及系统DLT 5210.5-20091.3 Specification for construction quality acceptance andevaluation The fifth part:pipeline and system DLT 5210.5-20091.4电力建设施工质量验收及评价规程 第3部分：汽轮发电机组DL/T 5210.3-20091.4 Specification for construction quality acceptance andevaluation The third part: turbine generator DL/T 5210.3-20091.5电力建设施工质量验收及评价规程第6部分：水处理及制氢设备和系统DL/T 5210.6-20091.5 Specification for construction quality acceptance andevaluation The six part: water treatment and hydrongen production device and system DL/T 5210.6-20091.6火力发电厂焊接技术规程DLT 869-20121.6 Technical specification for welding of thermal power plant DLT 869-20121.7电力建设施工质量验收及评价规程第7部分：焊接DLT 5210.7-20101.7 Specification for construction quality acceptance and evaluation The seventh part：Welding DLT 5210.7-20101.8海水淡化系统总的部分H10011.8 The general part of sea water desalination system H10011.9海水淡化系统设备安装图H10021.9 Device installation drawing of sea water desalination system H10021.10 海水淡化超滤系统管道安装图H10031.10 Installation drawing for ultrafiltration system pipeline of sea water desalinatin H1003 1.11海水淡化系统总管道安装图H10041.11 Installation drawing for main pipeline of sea water desalinatin H10041.12海水淡化加药及清洗系统管道安装图H10051.12 Installation drawing for sea water desalination dosing and purge system pipeline H10051.13海水淡化系统总管道安装图H10061.13 Installation drawing for main pipeline of sea water desalinatin H10061.14除盐水处理系统设备安装图H02021.14 Installation drawing of demineralization water system device 1.15除盐水系统水管道安装图H02031.15 Installation drawing of demineralization water system pipeline H02031.16除盐水贮存及分配系统管道安装图H02041.16 Installation drawing of demineralization water storage and distribution system pipeline H02031.17酸碱贮存及计量系统管道安装图H02051.17 Installation drawing of acid-base storage and measurement system pipeline1.18废水贮存及输送系统管道安装图 H02061.18 Installation drawing of waste water storage and conveying system pipeline H02061.19除盐水系统压缩空气管道安装图H02071.19 Installation drawing of demineralization water system compressed air pipeline H02071.21 ASME B31.1-2007电力管道1.21 ASME B31.1-2007 power pipeline1.22ASME -焊接与钎焊合格标准1.22ASME -welding and braze qualification standard1.23 焊接程序1.23 Welding Procedure Specifications1.24 ASME B16.5 法兰1.24 ASME B16.5 flange2工程概况2 Project overview2.1厂址位置2.12.2 电厂规模2.2 Scope of power plant本项目拟建设一台额定出力为670MW超临界燃煤机组，规划容量为2670MW超临界燃煤机组。This project plans to build 670MW supercritical coal-fired power plant, total planning capacity is 2670MW supercritical coal-fired power.2.3 水源条件2.3 Condition of the water source 本工程循环冷却水利用海水为水源，采用直流供水系统。电厂淡水水源取自海水淡化，淡水主要用于电厂工业服务水、消防水、生活水及化学水处理系统补给水。The water source of circulating cooling water of this project, using once-through type cooling water supply system. The power plant fresh water is from seawater desalination. The fresh water is used in electric power plant for service water, fire fighting water, living water and makeup water of chemical water treatment system. 2.4施工范围主要流程2.4 Main construction process海清水池超滤升压泵超滤保安过滤器超滤单元超滤水箱海水反渗透升压泵海水反渗透单元咸淡水箱咸淡水反渗透给水泵咸淡水反渗透保安过滤器咸淡水反渗透高压泵咸淡水RO装置淡水箱除盐水处理给水泵逆流再生阳离子交换器逆流再生阴离子交换器混合离子交换器除盐水箱补水泵热力系统Treated sea water basinultrafiltration booster pumpultrafiltration unitultrafiltration water tanksea water reverse osmosis booster pumpsea water reverse osmosis unitsalt water and fresh water tanksalt and fresh water reverse osmosis feed pumpsalt and fresh water emergency filtersalt and fresh reverse osmosis high pressure pumpblachish water RO devicefresh water storage tankdemineralization water treatment feed pumpcountercurrent regeneration of cation exchangercountercurrent regeneration of anion exchangermixed ion exchangerdemineralization water storage tankfeed pumpthermodynamic system2.6主要设备2.6 main device 序号No.名称Name规格Model单位Until数量Quantity备注Remark1超滤保安过滤器 UF Emergency filterQ=434m3/h 100m台set22超滤装置Ultrafiltration(UF)Q=366m3/h 台set23超滤反洗水泵UF Backwash PumpQ=248m3/h H=32m P=37KW台set2带变频Converter4超滤反洗保安过滤器UF Backwash FilterQ=248m3/h 100m台set15海水反渗透升压泵SWRO feed PumpQ=398m3/h H=38m P=75KW A42-150台set2带变频Converter6海水反渗透保安过滤器SWRO emergency filterQ=398m3/h 5m台set27海水反渗透高压泵SWRO high pressure pumpQ=159m3/h H=520m P=355KW 2507MBN80-255/7台set2带变频Converter8能量回收装置Energy recovery deviceQ=236m3/h台set29海水反渗透装置SWRO deviceQ=159m3/h 回收率40%台set210咸淡水反渗透给水泵Brackish RO feed pumpQ=159m3/h H=35m P=30KW 316L CZ80-200台set2带变频Converter11咸淡水反渗透保安过滤器Brackish RO emergency filter Q=159m3/h 5m台set212咸淡水反渗透高压泵Brackish RO high pressure pumpQ=159m3/h H=120m P=90KW A32-80 0台set2带变频Converter13咸淡水RO装置Brackish RO deviceQ=12m3/h 回收率80%台set214海水反渗透增压泵SWRO booster pumpQ=239m3/h H=30m P=37KW 2507 ZF250-2200台set2带变频Converter15海水反渗透冲洗泵SWRO flushing pumpQ=239m3/h H=35m P=37KW 316L APP33-125C台set116咸淡水反渗透冲洗水泵BWRO flushing water pumpQ=50m3/h H=30m P=7.5KW 316L CZ50-160台set117除盐水处理系统给水泵Demineralization water treatment system feed pump Q=80m3/h H=75m P=30KW 316L CZ65-250台set218生活工业消防给水泵Potable, service and fire pumpQ=91m3/h H=50m P=22KW 316L CZ65-200台set219 超滤清洗水箱Ultrafiltration wash-water tankV=20 m3 钢衬胶STEEL LINED RUBBER台set120超滤清洗水泵Ultrafiltrction wash-water pumpQ=158m3/h H=30m P=22KW CZ80-160台set121超滤清洗过滤器Ultrafiltration cleaning filterQ=158m3/h 100m台set122反渗透清洗水箱RO wash-water tankV=25 m3 钢衬胶STEEL LINED RUBBER台set123海水反渗透清洗水泵SWRO wash-water pumpQ=432m3/h H=30m P=55KW 316L APP42-150 0台set124咸淡水反渗透清洗水泵BWRO wash-water pumpQ=135m3/h H=30m P=22KW 316L CZ80-160台set125反渗透清洗过滤器RO cleaning filter Q=432m3/h 5m 钢衬胶台set126超滤清洗次氯酸钠计量泵UF cleaning hypochlorite sodium metering pumpQ545.45L/H P=1.0MPa PVC台set227次氯酸钠插桶泵hypochlorite sodium metering pump Q=2080L/min P=0.15MPa PVC台set128碱溶液箱alkaline solution tankV=1m3 台set229BWRO碱计量泵BWRO alkaline metering pumpQ1.59L/H P=1.2MPa PVC台set230阻垢剂溶液箱Inhebitor solution tankV=1m3台set231阻垢剂计量泵Inhebitor metering pumpQ3.98L/H P=1.2MPa PVC台set232阻垢剂插桶泵Inhebitor metering pumpQ=2080L/min P=0.15MPa PVC台set133还原剂溶液箱Reductant solution tankV=1m3台set234还原剂计量泵Reductant metering tankQ10.78L/H P=1.2MPa PVC台set235还原剂插桶泵Reductant metering pumpQ=2080L/min P=0.15MPa PVC台set136酸溶液箱acid solution tankV=1m3台set237酸计量泵Acid metering pumpQ1760L/H P=1.0MPa PVC台set238酸雾吸收器Acid mist absorber台set139超滤清洗次氯酸钠溶液箱UF cleaning hypochlorite sodium solution tankV=1m3台set240超滤杀菌次氯酸钠溶液箱UF sterilization hypochlorite sodium solution tank V=1m3台set241超滤杀菌次氯酸钠计量泵UF sterilization hypochlorite sodium meerting pump Q3.95L/H P=1.2MPa PVC台set242次氯酸钠插桶泵hypochlorite sodium protable metering pumpQ=2080L/min P=0.15MPa PVC台set143罗茨风机Roots fanQ=20Nm3/min P=70KPa BK7011台set244消防水碱计量泵Fire water alkaline metering pumpQ0.68L/H P=1.2MPa PVC台set245碱隔膜泵Alkali diaphragm pumpQ781L/H P=1.0MPa台set146超滤水箱加热器Ultrafiltration water tank heaterP=30KW台set147SDI取样泵SDI sampling pump台set148反渗透清洗水箱加热器RO cleaning tank heaterP=30KW台set149气体冷却器Gas coolerQ=20Nm3/min台set250逆流再生阳离子交换器countercurrent regeneration of cation exchangerDN2000 P=0.8MPa HR=2500台set251逆流再生阴离子交换器countercurrent regeneration of anion exchangerDN2000 P=0.8MPa HR=2500台set252树脂捕捉器Resin trapDN125 P=0.8MPa台set653混合离子交换器Mixed-ion exchangerDN2000 P=0.8MPa HR=500/1000台set254机组正常补水泵Normal operation DM water pumpQ=70m3/h P=0.5MPa PWT80-50-200S台set255机组启动补水泵Start-up DM water pumpQ=400m3/h P=0.5MPa PWT200-150-400S台set156再生水泵Regeneration water pumpQ=40m3/h P=0.5MPa PWT65-40-200S台set257超滤水箱Ultrafiltration water storage tankV=400m3台set258咸淡水箱Brackish water storage tankV=300m3台set259淡水箱Fresh-water storage tankV=100m3台set260除盐水箱Demineralization water tankV=3000m3台set261碱贮罐Alkaline storage tankDN2500 V=20m3台set262酸贮罐Acid storage tankDN2500 V=20m3台set263卸酸泵Alkaline unloading pumpQ=15m3/h p=0.15MPa台set164卸碱泵Alkaline unloading pumpQ=15m3/h p=0.15MPa台set165中和水泵Neutrallzation pumpQ=100m3/h p=0.50MPaZH100-65-200台set266废水泵Wastewater pumpQ=100m3/h p=0.5MPaZH100-65-200台set23施工应具备的条件3 The condition for construction3.1已充分做好各项准备工作，包括安全技术措施的编制、设备材料已经到货、施工机具的准备完毕。施工机具包括：机械、测量工具和施工工具。3.1 The following should be ready before construction: the draft of safety technical measures, equipment material has been received, construction tool has been prepared. Construction include: machinery, measure tools and construction tools.3.2现场具备充足且符合安全规定的电源，临时照明、电焊机等应已经具备使用条件。3.2 The site has sufficient power supply and tallying with safety compliance lighting and welding machine should be ready for construction. 3.3配合工种：起重工地负责施工过程中的吊装工作，起重工具主要25吨汽车吊吊装。焊接专业负责施工过程中的点焊及最终焊接工作。3.3 Coordination: During the construction that crane personnel will be responsible for the lifting work. The main crane tool 25t automobile cran. Welding Professionals will be responsible for the spot welding and final welding during the construction.3.4安全技术交底：对施工人员已进行过详细的安全技术交底，并全员签字。使所有施工人员对于将要施工的项目有一个全面的了解，明白施工图纸和施工过程中应注意的事项、施工方法、工艺质量要求和安全注意事项。3.4 Safety technical disclosure: already has detail safety technical disclosure with the construction personnel, and with signature. Let all construction personnel have fully understanding about construction project. Understand the construction drawing, the attentions during the construction, and the methods of constructing, quality requirements and safety precautions.3.5施工人员应能熟练操作各种工器具。3.5 Construction personnel shall be properly trained and qualified to manipulate all kinds tools.3.6开始焊接前WPS和PQR应已批准。3.6WPS andPQR before start welds shall 4施工主要机具及材料4 Major equipment and material序号No.名称Name规格型号Model, size单位 Until数量 Quantity125T汽车吊台set12割把Cutting torch套uint33角向砂轮Angle grinder台set34吊链Chain hoist1T台set35吊链Chain hoist2T台set56吊链Chain hoist5T台set27钢卷尺Steel tape measure5米套unit18钢卷尺Steel tape measure50米套unit19千斤顶Hydraulic Jack20T套unit210水平尺Horizontal ruler0-500mm套unit111焊机Welder套unit512电火花检测仪spark detector台set113塞尺Feeler gauge套unit114水准仪Level instrument 台set115扳手wrench套unit116合格精密压力表Precision pressure gauge0-1.0MPa套unit217合格精密压力表Precision pressure gauge0-2.5MPa套unit118电动升压泵Motor booster pump台set119测振仪Vibration measurer 套unit120测温仪Thermodedector 套unit15施工方法、步骤5 The construction methods and process 5.1材料、设备检查、领用5.1 material, device inspection, requisition 5.1.1据供货清单，清点设备数量，检查设备外观及外形尺寸，检查是否有锈蚀、开焊、变形等缺陷，并详细记录。Count to quantity of devices, inspect the appearance and external dimension for rush, weld break, deformation and other detects, and make detailed record.5.1.2对衬胶、衬塑设备及管道安装前要进行电火花检测，对于不合格的设备、管件应单独存放等待更换或修补，不合格设备和管道不得使用。5.1.2 Carry out electric spark test for the rubber lined and plastic lined device, storage the unacceptable devices and pipe parts separately for replacement and repairation. It is forbidden to use unqualified devices and pipelines.5.1.3不锈钢管道在领用后应进行光谱试验，检验合格方可使用。5.1.3 Carry on spectroscopic test after requisitioning stainless steel pipeline, it is not allow use without qualified cetification. 5.1.4设备在装车和运输时应正确选择绑扎点，防止运输变形，设备到达施工现场正确码放、保管，应垫有支撑物以防止变形，且编号置于明显位置易于查找。In order to avoid deformation during delivery, should choose binding point properly for devices shipping and delivery.5.2泵类及风机设备的安装5.2 Installation for pumps and fans devices 5.2.1基础划线及垫铁配置5.2.1 Foundation layout and iron gasket fabrication 5.2.1.1基础纵横主中心线偏差10mm，标高偏差10mm，地脚螺栓孔偏差10mm。5.2.1.1 deviation of foundation vertical and latitude center line is 10mm, elevation deviation is10mm, deviation of anchor bolt is 10mm.5.2.1.2基础上表面应凿好麻面并清除杂物、污渍，施工中不得使基础表面沾染油污。Roughening surface of foundation and clean out foreign material, dirt, make sure oil spot will not stick on the surface of foundation while construction. 5.2.1.3按照图纸确定安装位置及进、出口中心线，确定泵的进出口方位。5.2.1.3 confirm the installation location and inlet, outlet central line, determine the inlet, outlet orientation of pump5.2.1.4在基础地脚螺栓孔两侧确定垫铁位置，对基础进行凿平，使垫铁纵横方向水平；垫铁与混凝土的接触密实。每叠垫铁数量一般不超过3块，特殊情况允许5块，其中斜垫铁1对。垫铁与机座、垫铁与垫铁之间接触密实无松动，紧地脚螺栓后0.05mm塞尺塞不入，斜垫铁错开面积应25%垫铁面积。5.2.1.4 Determine the iron gasket location at two sides of foundation anchor bolt, chip the foundation to make the vertical and latitude orientation is upright; sizing block connects tightly with concrete. Quantity for each pile of iron gasket can not more then 3 pieces, 5 pieces is available in exceptional case, including 1 pair of oblique iron gasket. Connnetion of iron gasket and engine base, or between iron gaskets are tight without looseness, 0.05 feeler gauge can not insert into after fastening anchor bolt, stagger area of oblique iron gasket should less than 25% of iron gasket area.5.2.2设备就位：用手拉葫芦等工具把设备安全、准确的放在基础上，通过调整斜垫铁来调整设备的水平度及标高。5.2.2 Device arrangement: use tools such as chain block to place devices on foundation safely and correctly, adjust levelness and elevation of devices by adjusting oblique iron gasket. 5.2.3以设备进出口法兰中心线为基准调整标高、中心位置，以进出口法兰结合面为基准调整纵、横向水平度。5.2.3 Use central line of device inlet and outlet flange as benchmar for adjusting elevation, centeral position, make junction surface of inlet and outlet flange as benchmark to adjust vertical and lateral levelness 5.2.4地脚螺栓外观应无油漆、污垢，、生锈，校对英文部分，并修改螺栓长度、直径符合设计要求。调整地脚螺栓位置，螺栓在螺栓孔内与四周应有间隙且不碰孔底，垂直度偏差1/1000L ，地脚螺栓、螺母、垫圈安装接触良好，螺母拧紧后螺栓外漏23扣。5.2.4 Anchor bolt appearance should be free of paint, dirt, the length and diameter should comply to designed requirement. Adjust position of anchor bolt, set the anchor bolt inside the holes with separation but do not touch the bottom of hole, vertical deviation is 1/1000L. Connection between anchor bolts, nuts and iron gasket is favorable, fasten nuts with expose 23 nuts of bolt.5.2.5调整水平度后，用百分表和塞尺对对轮进行找正，具体偏差如下：5.2.5 after adjustment of levelness, carry out alignment for couple wheel by using dial indicator and feeler gauge, specific deviation as follow: a. 3000n1500 径向0.04mm 端面0.03mma. 3000n1500 radial direction0.04mm end face0.03mm b. 1500n750 径向0.06mm 端面0.04mmb. 1500n750 radial direction0.06mm end face0.04mm符合规定后，调整地脚螺栓，垫铁三面点焊牢固并清理药皮，螺栓孔进行浇灌。如果电机和泵同座，可先进行螺栓孔浇灌待电机试运完毕后再进行对轮找正。After complying with specification, adjust anchor bolt, spot weld for three surface of iron gasket and clean out coating, pouring the holes of anchor bolt. If motor at the same seat with pump, it is avalible to carry out pouring for the holes of anchor bolts first, aligning couple wheel after commission of motor. 5.2.6经过养护期后，待混凝土强度超过70%后紧固地脚螺栓，进行二次浇灌。5.2.6 When out of curing period, fasten anchor bolts and perform secondary pouring when hardness of concrete exceeds 70%.5.2.7如果有冷却水管，连接冷却水管道，并安装水泵的排水管道。增加英文翻译5.2.7 If there are water cooling pipe, should connect them firstly.5.3.箱罐类设备就位、安装5.3 Preparetion and installation for box/tank type device. 5.3.1拖运之前对设备的视窗、敞口的法兰结合面等易损部位进行重点保护，热工仪表适当拆卸并联系调试所进行校表工作。根据厂家及设计单位提供的图纸对设备外观检查，并校核各部件尺寸，各管口方向，数量，校核无误后将设备每条支腿划出中心线并延长到底板上。5.3.1 Before consigning of device carry out key protection for the fragile parts such as window of device and flange junction area of exposure. Dismantle thermal meter properly and contact debugging station to perform alignment operation. Carry out visual inspection for devices according to drawing of mamufacture and design unit, check dimension of each parts, orientation of pipe orifice, quantity, line out central on each landing legs which is extended to base plate after checking.5.3.2由起重专业人员指挥，安装人员配合，将所有设备拖运至基础上，按设计要求将设备进、出口管方向调整好，运至基础位置后将设备支腿中心线与基础预埋铁中心线对齐。Under the command of lifting professinal person, assign person to tow device onto foundation, adjust the inlet and outlet direction of pipeline according to design requirement, then align central line for landing legs and base embedded iron.5.3.3设备就位后，对设备标高、垂直度进行测量。根据测量结果在设备支腿处增减钢板方法进行标高调整；在筒体上部吊线坠用直角尺测量，以检查设备垂直度，检查后分别在测量处用记号笔作明显标记。5.3.3 After preparetion of device, measure the elevation of device and perpendicularity. Base on measuring result to increase and decrease steel plate on landing legs of devices and adjust evelation; measure device perpendicularity by using squar