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埋地热力管道有什么要求与规范?埋地管线的怎么安装?

浏览:52次 | 提问时间: 07-24 09:50
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3个答案
空余慌 07-24 09:50

室内给水管道根据建筑物的性质及系统的要求,可分为明装敷设、暗装敷设、埋地敷设和地沟内敷设等几种形式。(1)明装敷设(MZ):即给水管道均暴露在室内、走廊、顶拥下、地面上,具有安装、维修管理方便等优点.但影响室内环境美观,妨碍室内装修布置,夏季产生的凝结水会污染地面、墙面。明装敷设一般用于民用住宅、普通办公楼、工厂车间或公共建筑、高层建筑的设备层内。施工明装管道时,要求管道排列整齐、支吊架牢固平直、接口美观,管道水平及垂直度应符合施工验收规范要求,跨越居室的管道做防结露保温。(2)暗装敷设(AZ):管道置于吊顶内、墙体内和管并内时称为暗装敷设。暗装管多用于大型公共建筑、高层建筑内,其优点是不影响室内装修布置,房间千净美观。通过管井垂直的管道可减少穿越各层楼板所造成的弊病(如补洞不严密。地面水渗至下层污染吊顶或地面,砸洞过大时会破坏楼板的结构等)。但暗装管道在维修管理上较为困难,出现严重漏水时需拆除吊顶或墙体而造成装饰面层的破坏。在管井内的立管阀门,为了检修或操作方便,应尽量置于检修门附近。暗装在墙体内的给水管,应配合土建墙体施工时预先埋好(刷油或做防腐处理),做到随砌随埋,不宜在施工完毕的墙体土剔槽埋管。墙体内的管道尽量减少接头,并做局部试压。(3)埋地敷设(MD):一般给水管道从室外管网引人时均为埋地敷设。埋地管道应做好防腐层的处理。挖沟应在地面回填土并夯实后再开槽,避免地面塌陷使管道破裂。试压合格后应用入工回填夯实管道周围的土方。(4)地沟内敷设(DG):给水管道常与其他性质的管道(如热力、采暖、工艺等管道)同沟敷设,但不宜与电力通讯电缆同沟安装,最好不与其他管道共架安装。室外排水管道的敷设分为开槽敷设和不开槽敷设。希望我的回答对你有所帮助!

闹到最后还是比不了她 07-24 09:59

①埋地管线的安装:埋地热力管线的主要施工程序为:测量-放线-挖沟-管子除锈防腐-管道组焊-无损检验-补口补伤-下沟、回填-地貌恢复管沟开挖采用机械开挖及人工开挖相结合的方式,按图纸要求的边坡坡度、沟深和沟底宽度进行管沟施工;管子、管件组对时,将坡口表面及坡口边缘内外不小于100mm内的浮锈、毛刺、污垢清除干净,管子不得有裂纹、夹层等缺陷。②地面管线安装:地面热力管线主要施工程序为:基础验收-工艺配管安装-吊装就位-管托固定。基础验收按照施工规范要求进行检查、验收。③工艺配管安装:小口径工艺管线可采取预制化施工,结合管架安装要求和现场的具体情况及吊装设备,确定“二接一”或“多接一”。预制好的管线按设计要求制作支架和吊架,找直后,予以固定。架空管道安装应搭设架子半台以便施工。④仪表管件的接口:根据设计图纸的要求,在工艺管道上确定仪表位置,并开孔安装仪表接头。有特殊要求的要请示业主,由厂家配合进行仪表根部元件安装作业。

彡怪我爱你太深 07-24 10:07

①埋地管线的安装:埋地热力管线的主要施工程序为:测量-放线-挖沟-管子除锈防腐-管道组焊-无损检验-补口补伤-下沟、回填-地貌恢复。管沟开挖采用机械开挖及人工开挖相结合的方式,按图纸要求的边坡坡度、沟深和沟底宽度进行管沟施工;管子、管件组对时,将坡口表面及坡口边缘内外不小于100mm内的浮锈、毛刺、污垢清除干净,管子不得有裂纹、夹层等缺陷。②地面管线安装:地面热力管线主要施工程序为:基础验收-工艺配管安装-吊装就位-管托固定。基础验收按照施工规范要求进行检查、验收。③工艺配管安装:小口径工艺管线可采取预制化施工,结合管架安装要求和现场的具体情况及吊装设备,确定“二接一”或“多接一”。预制好的管线按设计要求制作支架和吊架,找直后,予以固定。架空管道安装应搭设架子半台以便施工。④仪表管件的接口:根据设计图纸的要求,在工艺管道上确定仪表位置,并开孔安装仪表接头。有特殊要求的要请示业主,由厂家配合进行仪表根部元件安装作业。

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