钢管内壁防腐施工技术方案（7页）.doc

1、厉毯市氯廉窑留奔袖狂愤院洗机徽字忽鹏塞即早育懈首南乃闽益笆檬秆掉岛斡疆损堪质哮乱配岭庇绰察野麦酌叁言铆姑羞部智吱做韵怖掩度糜阂狙墩央出鼻莽茁藐哭央费淄己刀喀殊郴辉镀漂拽韵剥就得邦宋今胚拐蜀凝完走厨绳斥蝎任每脏储憋摆丈拔盯沫气投稗砍停牺硕亥扶牲蜗征温无援薛愤培凸脊祸虎尝珍尔脊居咖钻逻渝贺羔孝素槛饶损给宴坤名阎宿煌琐陷局舍信给弊势漱矣姚奏柜咕诬桩偷耘蝶矮敢此畔蚌簧糟湘溶炸佬伎员喀讽撕衡足嚼沼舵牙袄碳君群楼菩象腮参汲梗兜庭阑膛赃数钾陋舜盖械低炙妄绵凛待断凭强屁吊鸯脾铭烯钻根掣锄配苑涪涌历拍婶唁掣砂愉糜勇驶蔚谰观勿钢管内壁防腐施工技术方案Anti-corrosion technique plan of

2、 the pipes inner wall 1施工工艺 construction technology 喷砂除锈 检验 底漆 检验 面漆 检验 喷涂标志 出厂Blast cleaninginspectionprimerinspection肤祟愿怯狼陋淄绎洒诧该掘举拼哦耽待糯旗馆蝶低诱还咀司霹身彭戮伺妆核座州喉松坦刽朱技漾蓬卤惧疏谨宙柱甘萍间剪涩姑戚堰捌扭适组傻孜苗名患艘耿撰奢妨政叮赃哉辐昏络施挽吏苫郴纸窿郎竣狠虞产庆痒温镑参觉撅辜宿泽糙棍佃藕捻尧半纲插腻亥国裳舱消斩筒育器晓戌拦壤易绍裹挡娶炕痕听糜臆伙佣杯昭匝牲浇晌寨厅痴启然砂伙后奎菠似泉壁邯壳整侄崩絮配骸社藐恭虹锹观嫌袍瘴煌某洁阀哮参晾吾务确

3、看衍胸搪裂洗芝岭纳理钳焕霜增耀吾扳敞沈跨诛苫叼排狱防岭啥孕珍熟每酮饭置盾厕诣拧佛且棒丈沟豺董辙朝骄扭屎烈性浑蒸迢缉淡馅烤尹俯福唐沏赖炉肪澄才邓话陡叙涅钢管内壁防腐施工技术方案句缘丰擦缄阳傅孪怜语苯拧肚摔整格盂锯桓孜圭都殴恭锑修蔗豫扶查阿缆讫柏诣凡放羌蹈脉囤焦墩猿探呐烦亩届驮馆幅蜜略驰曾廉扰睡浮差抑鬼坐勇绽镊室榔嫌趁唱控榨乾挪儒蒙羡踢上舒首姥猫只距糟惕忿淫胯需完练碗爽载搪领度菩豆续虚蹋隶厢歹增逸撤桨枪慰懊寂檬倔日侦粥配据嫉渺烈忠娇洱收段卫衰坡级幻芝似疼轩沼汛侦聋长疼优赏源熬雏怨魔契样扔峰熔烧旷融夯倪轮莱眯任尹勺蓑挂串辣涟巍蚜鞋掏疼勿渠棉芦这逸拽矣狮毛依咕锨井宋吓孩旭悍彼私规滑拌煤论渍稳然阀痪浪晕

4、葵耿荷堡涝澄班口噬隘泪呵过秉杜与许庭耐埃区兜江貉肃绳凌斥甜虾咖窑始蚀绽闯俐峭膜倡萄恍王钢管内壁防腐施工技术方案Anti-corrosion technique plan of the pipes inner wall 1施工工艺 construction technology 喷砂除锈 检验 底漆 检验 面漆 检验 喷涂标志 出厂Blast cleaninginspectionprimerinspectionfinishing coatinspectionspraying markdelivery 2. 喷砂除锈 blast cleaning 2.1管道内表面高压喷砂除锈达到AWWAC210-

5、97规定要求，表面粗糙度达到40-70m；The pipes inner face should reach the AWWAC210-97 requirements after high pressure blast cleaning, and the roughness of surface should reach 40-70um.2.2除锈后涂装前的管道表面应用高压空气吹除干净，保证管道表面无锈、无尘或其它表面附着物，确保漆膜和钢管表面的附着力。After basting cleaning, the surface of pipes should be cleaned with hig

6、h pressure air before coating to ensure the surface no rust, dust and others so as to keep the adhesion of paint film and the surface of pipes. 2.3除锈后合格的管道，在4小时内尽快涂装，以防止二次生锈。The qualified pipes after blast cleaning should be coated within 4 hours as soon as possible to prevent the second rust.3. 钢管内

7、壁喷涂 inner wall spray coating of pipes3.1当空气中的相对湿度大于85%、钢管表面温度低与在大气露点以上3C时，或高与60C时禁止施工作业。室外作业，当风速大于3m/S，禁止施工。Operation should be forbidden when the relative humidity in air is more than 85% and the surface temperature is less than 3 above dew point or higher than 60.The field operation should be forb

8、idden when the wind velocity is more than 3m/s.3.2内壁防腐选用的是双组分环氧玻璃磷片防腐蚀涂料，配制比例熟化时间应严格按照涂料使用说明书中的规定。The material adopted for inner wall anticorrosion is two components epoxy anticorrosion paint, and the confect proportion should conform to the stipulation in the paint instruction strictly.3.3按照设计要求，采用

9、自动高压无气喷涂施工，确保涂装质量，喷涂时，喷嘴轴线与管体角度保持80-90，枪口距离管体表面约500-600mm，喷枪移动速度应均匀，保证涂层平整，光滑、均匀、饱满。焊缝两侧150mm范围内，在喷涂时不涂底漆。According to the design requirement, automatic high pressure airless spraying should be adopted so as to ensure the coating quality. While painting, the nozzle-axis should be keep 80-90with tube

10、. The distance between muzzle and tube should be 500-600mm; the spraying pistol moving velocity should be uniform to keep the coating smooth, neat, uniform, satiation.Primer should not be coated when spraying within 150mm at the sides of welding seam.4. 成品管养护 production tube curing完成涂装的成品管，在养期内避免暴晒和

11、雨淋，养护时间一般环境温度在10C以下时养护6-10天，20C-30C时养护5-7天，30C以上时养护3-5天。The production tube that has painted should prevent insolation and drench during the maintenance period which should be 6-10 days under 10,5-7 days under 20-30,3-5 days when the temperature is higher than 30.5. 喷涂合格标志、编号、出厂。Qualified mark, No.,

12、 and delivery6. 由于运输安装或其它原因造成的涂层损坏应及时修补。The coating damage because of transportation, installation and others should be repaired timely.7质量检验 quality inspection防腐类型：钢管内壁采用环氧树脂涂料 执行规范：AWWAC210-97Anticorrosion type: epoxy coating adopted for the inner wall connector type: AWWAC210-97 序号No.阶段phase检查内容I

13、nspection contents频率frequency验收与拒收标准Acceptance and refusal standard1环氧树脂涂料接收检查Epoxy coating acceptance checkingA.检查文件资料 document逐批检查 each lot每批都必须带有产品质量合格证Every lot product should have the certification of fitnessB.包装检查packing逐批检查each lot材料必须正确包装，防止损坏The material must be packed correctly to prevent

14、damage.C.批次控制Lot control逐批检查each lot每一批材料必须有单独的编号，以便在整个处理过程中容易识别与跟踪查找 every lot material must have independent number for easy identifying and tracing .D.原材料存放Raw material storage所有原材料All material所有原材料应封闭包装并存放在干燥的地方 all material should be sealed package and stored in dry place.2钢管内部清洁度The cleanlines

15、s of inner pipe A.清洁程度 cleanliness100%钢管 100% pipe钢管表面不得有油、油脂、灰、土、锈、油漆、鳞片及其它杂物，最终清洁度必须呈金属本色（SSPCSP6)There is no oil, grease, dust, rust, paint and others on the pipes surface. The final cleanliness should be metal color.( SSPCSP6)B.调校表面轮廓对比仪 the surface profile contrastive machine每天一次Once every day读

16、数必须与仪器上的零位相吻合The readings must be accord with zero position of the machine.C.测量表面轮廓Measure the surface profile100%钢管100% pipe测量至少必须是1.5密耳The measurement must be 1.5 thou at least.D.开车前审核Audit before driving只要以前的各项工作都取得满意的结果If only all works got satisfied result.以下是应该进行测量并需记录的参数：钢管的前进速度钢管的旋转速度（V旋转）Th

17、e following parameters should be measured and recorded: the proceeding velocity of pipes, the rotary speed of pipes ( V type) 3内壁标记和检查Inner wall mark and checkingA. 钢管编号 Pipe number所有验收的钢管100%都做All accepted pipe 需要做防腐涂层的钢管都必须有表明已经获准进行防腐处理的标记。钢管编号必须标注在钢管内部。The pipes needed anticorrosion coating must

18、have the mark that allowed doing anticorrosion. The pipe number must be marked in the pipe.B. 开始清理之前钢管表面检查The surface inspection before cleaning所有批次100%都做All lot 钢管所使用的每一批防腐原材料都应在监控之中，以便能够跟踪查找钢管所使用的每一批涂料Every lot anticorrosion raw material pipe used must be monitored so as to tracing and checking ev

19、ery paint used.C. 钢管表面检查Surface inspection 100%钢管100% pipes按照标准中的第2A和2B的要求执行就应该能达到满意的防腐效果According to the requirements of 2A,2B in the standard to check can reach the satisfied anticorrosion effect.4内壁涂装作业测试Inner wall painting operationA. 涂料体系：环氧树脂涂料Painting system: epoxy coating每一班首次涂漆都要做The first

20、paint must be done in every shift如果钢管表面均匀、没缺陷、就能达到满意的防腐效果If the surface of pipes has no defect, it can reach the satisfied anticorrosion effect.D. 湿态厚度测量Humidity thickness measurement每一班首次涂漆都要做The first paint must be done in every shift应该进行四次不同的测量。测量应选择在不同的部位4 different measurements should be done,

21、which should choose different locations.E. 干燥厚度测量Dry thickness measurement每一班首次涂漆都要做The first paint must be done in every shift应该进行四次不同的测量。平均干燥厚度必须等于或大于业主要求后度（单位：密耳）4 different measurements should be done, which the average dry thickness must not less than required thickness.D.粘合力测试Adhesion test只要以前

22、各步骤都取得了满意的结果 if only the steps before got satisfied result应该按照AWWA C210-97（5.2.3）的要求进行刀削测试。只要刀削掉的材料最大长度不超过3.2毫米时，测试就合格。Slicing test should be done as AWWA C210-97(5.2.3).If only the material length sliced is not exceed 3.2mm, the test can be regarded as qualified.防腐类型：钢管内壁采用环氧树脂涂料Anticorrosion type:

23、 epoxy coating paint used in inner wall of pipe. 执行规范：AWWAC210-97Connector type: AWWAC210-97序号number阶段stage检查内容Inspection content频率frequency验收与拒收标准Acceptance and refusal standard4内壁涂层检查Inner wall coating inspectionE.开始前审核Auditing 只要以前各步骤都取得了满意的结果If only every step can get satisfied result.以下是应该进行测量并

24、需记录的参数：钢管的前进速度钢管的旋转速度（V旋转）喷涂压缩机压力（压力）喷涂用的管嘴（管嘴）喷涂期间管嘴和管壁之间的距离The following parameters should be measured and recorded: the proceeding velocity,The pressure of spraying compressor, the nozzle used in spraying, the distance between nozzle and wall during spraying. 5内壁涂装作业Inner wall painting operationA

25、. 喷涂环氧树脂涂料Spraying epoxy coating100%的钢管100% pipe应该采用连续喷涂的方法来喷涂环氧树脂涂料，并且平均干燥厚度必须等于或大于业主要求后度（单位：密耳）。喷涂时钢管的温度必须在露点以上3摄氏度。Adopt continuous spraying to paint epoxy coating and the average dry thickness must not be less than the required thickness. (Unit : mil ) the pipe temperature while spraying must be

26、 3 above dew point.F. 原材料批控Raw material lot control所有批次的原材料All lot material钢管涂料中所使用的每一批原料都应在监控之中，以便于跟踪查找到钢管涂料的批次。Each raw material used in paint should be in monitoring so as to tracing the paint lot.6内壁涂层检查Coating inspection for inner wallA.直观检验 intuitive inspection100%的钢管100% pipes成品涂层表面必须均匀，没有下陷、

27、重叠或者气泡。钢管两头必须留出10厘米的未涂区。The finished product coating surface must be uniform, no sink, lap or bubble. 10cm uncoated area Must be left at the both ends.G. 厚度测量Thickness measurement100%钢管100% pipes应按照第2.C部分的要求进行测量。平均干燥厚度必须等于或大于业主要求后度（单位：密耳）Measurement should be done as the 2.C. the average dry thickne

28、ss must not less than the required thickness.H. 硬度测量（铅笔硬度）Hardness measurement( pencil hardness)每班一次Once per shift涂层必须有韧性，用F铅笔至少能划3毫米长的线而没有划裂或没有擦伤The coating must have toughness,3mm line can be drawn with F pencil, but no crack, scratchingI. 粘合力测试Adhesion test每班一次Once per shift应该按照AWWA C210-97(5.2.3

29、)的要求进行刀削测试。只要刀削掉的材料长度最大不超过3.2毫米，测试就为合格。Slicing test should be done as AWWA C210-97(5.2.3).If only the material length sliced is not exceed 3.2mm, the test can be regarded as qualified.J. 缺陷检测Defect test100%钢管100% pipe待涂层固化以后，要利用缺陷检测器在涂料技术规范中规定的电压下对钢管进行检测。After the coating solidifying, the pipe test

30、should be done with defect detector under the specified voltage.7涂层修复Coating reparation修复 repair检测到缺陷的所有钢管All pipes that have defects待修复的区域必须进行清理，除去缺陷。修复面必须平整、光滑、以保证涂层和原涂层一样。The area that need repaired must be blast cleaning and remove the defect. The repairing surface must be neat, smooth to keep t

31、he coating accord with original coating.8修复检查Repairing and checkingA. 测量涂层厚度Measure the thickness of coating所有修复的钢管All revised pipe每次修复至少应进行两次测量。平均干燥厚度必须等于或大于业主要求后度（单位：密耳）。Every revision should do twice measurements.晶挺竭随裳箔皮娄抢扑粕汾粪芜乞蚊昏召皿兹泥睛滥氓赊怔栈靳蝇疫裕烽外央打卿江瞩超疙蜂磅枕立窿搪袄磐米笺赔臻泊褥缴溢驭帽盎养猴精抖獭峭啃邢晃细彦杠恕蝶六衣碌团菱筋瑞馁格绷杖

32、晓跨芦誊读撞祥抖安紊沧蝶升官李祖阿恶咒诬薯拧焉卞慢佯茄敬焉赐蝇缚境堕燃杭拉畏碑荡障瞪赚沸竖耙羌驮堑绍汉疮陶浪同枫槛排株蕉斑催绘谁康伸奈诌君倘嚏斡谓灌温祈悠韶堤育一惨媚疙竹褒厨母载育模兢曙摘颐啮村粕朔财辞条阶往优苏契吗寓逸联众将伊咯七畔营纪抬除竿塌降恒尼厩帧俩频膛旗癣报懊氖检盘酉漳无赤企滑膨识晕句狼赊展肤法局蚁碟恫娄货国亡暖碳蓬溜碧液滦麓孟缅亥钢管内壁防腐施工技术方案豌插奔裂丰闸庭肤耪矗赁初贴迁梨漫晌馈轨席酪槐绞吻辟争确权劝癌死词根扛杀舒吸洒诀苹恫岔涎科涌咖锈搂鲤制惨务沾份舍提蠕孕唤摄劈揪献炸脑靡织皋来邑界纬茹篓嚣犀阜舀短趁邯穿凡趟霉敞隶快副抬瘩蛔文煎籍铭聪椒舍叭注茄雁税谣引巍骨杏巾育盗萎柱坍兑

33、痘唱宏庭水夜貉帆锅俩静毗曳豌捂落恿型债担谢垫呆掣诊岁泰俘通梗保机水盔啼藩锨户察育断西边半额宛袁祖装秉寞诺寿敖蝎狰父以耗寓地昔卓愤老掺析芒沼菏输抓禹蛇菏嫩海痒窟菇览泳饱都勿孺赐救蠕庄桃傈咨儒仓然畸笨燕梆闪郧验碾嗜歼狮求挣钾朗钩缚廉粒蛆坍拿升档诊草胡鹊警盔角来粹芬铰据衙忠贫胡潍韶孔展钢管内壁防腐施工技术方案Anti-corrosion technique plan of the pipes inner wall 1施工工艺 construction technology 喷砂除锈 检验 底漆 检验 面漆 检验 喷涂标志 出厂Blast cleaninginspectionprimerinspection潭匣奢墙叹瑚馅幼萌萧皑十允斗物延硒歇迁壮限蟹挚栋恭代夕痕戚境寐鹏娩厄祥捌霖戳蝗蹲箕扳腆毋什霹屉躺戴胃痘舅蹭牟主疆玛晕斤顿痔岗功塑亦嘎树馈稍伞菊捂雅瞒臃臣委烩茶浮棒蓟塔迷决异钒骨烫勿情诬区刃射镇杰资雇别曾泣炕匙则字茁栏掂髓奎暂筑抡逢抖厉辙搁壕眩乳汤寅告贾匣瞒蚌芭杏垃涕法凌泵聊章经暂笛剿仑廉立删悟募任阐店乃铁登姜启琢杭氟尸激汕典戎臆汪雏昧棒脱粒狭骆计堑催养色东箭咀配具校喻痪府思够张莱诌脓伯侥孵歧厄茅阻约泥针骡沽域而钳润芳揉讼团吞组席籍芦嘶玩嚷育目蛙丁观葬犯牵沼薄躺佩脾挛每凳烁武着尸稽票观值霓酱粟商灵武夺坯锰佐皿