林德3PE防腐方案.doc
《林德3PE防腐方案.doc》由会员分享,可在线阅读,更多相关《林德3PE防腐方案.doc(15页珍藏版)》请在咨信网上搜索。
1、第 15 页 中国核工业二三建设有限公司林德化医重庆项目部 Underground pipeline anticorrosive construction plan地下管道防腐施工方案Document No.:文件编号:CNI23CM-016Fabrication 编制:Examine and verify审核:Approval 批准:Contents目录Project overview一、 工程概况。.。.。.。.。.。.。.。.。.。.。.。.。.。.。13Fabrication reference二、 编制依据。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.33Constru
2、ction principle三、施工原则。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.3-33PE anticorrosive production process 四、3PE防腐生产工艺流程.。.。.。.。.。.。.。.。.。.。.。.。.。4-93PE anticorrosive specific production steps五、 3PE防腐具体制作步骤.。.。.。.。.。.。.。.。.。.。.。9-13Heat shrinkable tape anticorrosive concrete steps六、热收缩带防腐具体步骤。.。.。.。.。.。.。.。.。.。.。14
3、15Safety attentions 七、安全注意事项。.。.。.。.。.。.。.。.。.。1616Project Overview一、工程概况This project is Linde Huayi(Chongqing) Gases Co。, Ltd 1 Billion Nm3/year Syngas CO/H2 project, located in Chongqing(Changshou) Chemical Industry Park, and the main work contains substation、compression unit、power absorption unit
4、、washing unit、raw gas compressor unit、High temperature shift unit etc。. 本项目为林德化医(重庆)气体有限公司10 亿Nm3/年合成气制备CO/H2 项目,位于重庆(长寿)化工园区内, 其中主体工作包括变电所、压缩单元、变电吸附单元、洗涤单元、原料气压缩单元、高温变换单元等。Underground pipeline contains circulating water system, water system, water supply and drainage system, a total of about 1744m
5、welding pipe extension, Diain total of 10070 inch, buried steel pipe anticorrosion methods 3PE coating, to ensure that the underground pipeline anticorrosion construction safety, high quality, efficient completion of the project, especially the preparation of this plan。地下管道包括循环水系统、工业水系统、给排水系统,管道共计延长
6、米约1744m,焊接Diain共计10070寸,埋地钢管防腐方法采用3PE涂层防腐,为保证地下管道防腐施工安全、优质、高效完成,特编制本方案。Fabrication reference 二、编制依据1) Linde related drawing and technical standard 林德相关图纸、技术标准2) Polyethylene coating for buried steel pipeline埋地钢制管道聚乙烯防腐层。.。.。.。.。.。.。.。 (GB/T232572009)3) Water supply and drainage pipeline engineering
7、construction and acceptance给排水管道工程施工及验收规范。.。.。.。.。.。.。.。.。(GB5026897)4) Petroleum and chemical equipment and pipeline technical specification for the coating anticorrosion石油化工设备和管道涂料防腐蚀技术规范.。.。.。.。.。.。.(SH3022-1999)5) Technical code for construction safety in petrochemical石油化工施工安全技术规程 .。.。.。.。.。.。.。
8、.。.。.。.。(SH3505-99)6) Petrochemical industry specification for construction and acceptance of water supply and drainage pipeline石油化工给排水管道施工及验收规范.。.。.。.。.。.。.。.。.。 (SH3533-2003)7) Steel surface before application of paint and rust grades and preparation grade涂装前钢材表面锈蚀等级和除锈等级。.。.。.。.。.。.(GB892388)Cons
9、truction Principle三、施工原则Underground pipeline, pipe anticorrosion work by professional 3PE coating manufacturers, in Chongqing area 3PE coating technology and scale of production to reach the coastal areas of the corrosion and scale, is now the Chongqing area 3PE pipeline coating production in the ra
10、nge of 20950mm, the diameter more than 950mm pipe using thermal belt winding anticorrosion, and all fittings, mending, welding using the same PE shrink with anticorrosion, anticorrosion processing plant in the above work focused on the complete, reach the maintenance period, transported into the con
11、struction site installation, pressure test after passing the required repairing and mending.地下管道、管件防腐工作由专业3PE防腐厂家完成,鉴于重庆地区3PE涂敷技术及生产规模达不到沿海地区的防腐水平及规模,现目前重庆地区3PE管道防腐生产范围在20-950mm,对于管径超过950mm的管道采用热缩带缠绕防腐,且所有管件、补伤、焊口同样采用聚乙烯热缩带防腐,以上防腐工作集中在加工厂内完成,达到养护期后,运入施工现场安装,试压试验合格后按规定补口补伤。四、3PE anticorrosive product
12、ion process 3PE管道防腐生产工艺流程4。1 The following 950mm pipeline anticorrosion process950mm以下管道防腐流程Bottomsprayepoxy powder 底层喷涂环氧粉末middle levelextrusioncladdingadhesive 中层挤出包覆胶粘剂outer sphereextrusioncladdingPE 外层挤出包覆PE 1) Pipe sandblasting管道喷砂2) Pipeline through the lines into the high-frequency heating to
13、 heat, after the glue machine glue.管道经过流水线进入高频加热机进行加热,经过涂胶机上胶。3) High frequency heating equipment to polyethylene particles of molten polyethylene高频聚乙烯加热设备将聚乙烯颗粒熔化4) Pipeline coating machine to start coating 3PE 管道包覆机开始包覆3PE5) Enter the cooling production line进入冷却生产线6) Inlet pipe grinding processing
14、进入管口打磨处理7) Inspection and identification of issuance procedures indicated factory 检查合格并注明标识发放出厂手续4。2 More than 950mm pipeline, welding, pipe, heat shrinkable tape anticorrosive process950mm以上管道、焊口、管件、热收缩带防腐流程五、3PE anticorrosive specific production steps 3PE防腐具体制作步骤5.1 3PE pipeline anticorrosion 3PE管
15、道防腐5。1。1Preparatory process准备工序1) According to the production task list in the steel pipe specifications, adjust all transmission lines on both sides of the driving wheel of the distance and angle。De-rusting production line pipe bottom height from 540 mm; 3PE coating production line pipe end away fr
16、om 630mm.根据生产任务单中的钢管规格,调整好所有传动线两侧传动轮的距离和角度.除锈生产线管底离地高度 540 mm; 3PE防腐生产线管底离地630mm。2) Adjust the good adhesive and PE extruder of front and rear position。调整好胶粘剂和PE挤出机的前后位置.3) Adjust the position and angle of silicon rubber.调整硅胶轮的位置和角度。4) Adjust the spray gun position in radial and point to the pipe ax
17、is, the discharge needle into the steel pipe surface distance 120150mm。调整喷粉枪的位置在钢管径向并指向钢管轴心,放电针针尖到钢管表面的距离120-150mm。5) Size extruder in the plan started 3 hours before the start of heating.大小挤出机在计划开工前3小时开始加热.6) 1 hour before the start of PE raw material preheating and drying, the drying temperature i
18、s not higher than 80 DEG c。计划开工前1小时进行PE原料预热烘干,干燥温度不高于80。7) Check the operation condition of equipment, give the transmission parts lubricating oil filling; the fastening shaft coupling screws, cross shaft and the expansion joints to add enough oil; inspection of lifting mechanism position and limit
19、device reliability.检查设备运行情况,给各传动部位加注润滑油;紧固传动轴的联结螺丝,给十字轴和伸缩节加足油;检查升降机构的位置及限位器的可靠性.8) Anticorrosion epoxy powder coating, adhesive, polyethylene their quality shall meet the specifications, and through inspection and acceptance.防腐用的环氧粉末涂料、胶粘剂、聚乙烯其质量应满足规范要求,并经过检查验收。5。1。2 Bare pipe tube裸管上管a. According
20、to the production, task orders to pipe transport tube on the platform.根据生产任务单将钢管转运到上管平台。b. Inspection of the appearance quality of steel pipe, to see if there are any extrusion deformation, scratches and other defects, such as timely to make a mark, put its material unqualified area or repair area.检
21、查钢管的外观质量,察看有无挤压变形、碰伤等缺陷,如有及时作出标记,将其放到材料不合格区或修复区。5.1。3 Blast cleaning抛丸除锈1) Rust must be checked and cleared both inside and outside the pipe surface greasy dirt, burrs, attachment and other impurities。除锈前必须检查并清除钢管内外表面的油污、毛刺、附着物等杂质。2) Pipe surface temperature is below 3 steel pipe must be heated to 4
22、0 60 , then the pipe uniform through the derusting machine, derusting grade reaches GB/T8923-88 standard Sa2。5 grade, the anchor lines to a depth of 50 - 75 M.钢管表面温度低于3时钢管要加热到4060,然后将钢管匀速通过除锈机,除锈等级达到GB/T892388标准的Sa2。5级,锚纹深度达到5075m。3) Rust after placement of 4 hours or more or return stainless steel
23、pipes need to rust.除锈后放置4小时及以上或返锈钢管须要重新除锈。5。1。4 3PE top pipe 3PE上管a. On the front tube in a deposition-management platform inspection and removal of steel pipe with inner and outer surface of the burr, dust and other impurities。 If defects to return material unqualified area or repair area。上管前在存管平台上
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 林德 PE 防腐 方案
1、咨信平台为文档C2C交易模式,即用户上传的文档直接被用户下载,收益归上传人(含作者)所有;本站仅是提供信息存储空间和展示预览,仅对用户上传内容的表现方式做保护处理,对上载内容不做任何修改或编辑。所展示的作品文档包括内容和图片全部来源于网络用户和作者上传投稿,我们不确定上传用户享有完全著作权,根据《信息网络传播权保护条例》,如果侵犯了您的版权、权益或隐私,请联系我们,核实后会尽快下架及时删除,并可随时和客服了解处理情况,尊重保护知识产权我们共同努力。
2、文档的总页数、文档格式和文档大小以系统显示为准(内容中显示的页数不一定正确),网站客服只以系统显示的页数、文件格式、文档大小作为仲裁依据,平台无法对文档的真实性、完整性、权威性、准确性、专业性及其观点立场做任何保证或承诺,下载前须认真查看,确认无误后再购买,务必慎重购买;若有违法违纪将进行移交司法处理,若涉侵权平台将进行基本处罚并下架。
3、本站所有内容均由用户上传,付费前请自行鉴别,如您付费,意味着您已接受本站规则且自行承担风险,本站不进行额外附加服务,虚拟产品一经售出概不退款(未进行购买下载可退充值款),文档一经付费(服务费)、不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
4、如你看到网页展示的文档有www.zixin.com.cn水印,是因预览和防盗链等技术需要对页面进行转换压缩成图而已,我们并不对上传的文档进行任何编辑或修改,文档下载后都不会有水印标识(原文档上传前个别存留的除外),下载后原文更清晰;试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓;PPT和DOC文档可被视为“模板”,允许上传人保留章节、目录结构的情况下删减部份的内容;PDF文档不管是原文档转换或图片扫描而得,本站不作要求视为允许,下载前自行私信或留言给上传者【a199****6536】。
5、本文档所展示的图片、画像、字体、音乐的版权可能需版权方额外授权,请谨慎使用;网站提供的党政主题相关内容(国旗、国徽、党徽--等)目的在于配合国家政策宣传,仅限个人学习分享使用,禁止用于任何广告和商用目的。
6、文档遇到问题,请及时私信或留言给本站上传会员【a199****6536】,需本站解决可联系【 微信客服】、【 QQ客服】,若有其他问题请点击或扫码反馈【 服务填表】;文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“【 版权申诉】”(推荐),意见反馈和侵权处理邮箱:1219186828@qq.com;也可以拔打客服电话:4008-655-100;投诉/维权电话:4009-655-100。