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球墨铸铁井盖安装时要注意什么?

来源:http://www.kpp647.com添加时间:2019-02-07 16:29:30

  球墨铸铁井盖在安装的时候,要掌握正确的方法步骤。那么,我们在安装的时候,需要注意哪些方面的问题呢?这就是今天我们要来为大家介绍的一个问题,下面我们就来了解一下这个问题吧。

  When installing nodular cast iron covers, the correct method and steps should be mastered。 So, when we install, what aspects should we pay attention to? This is a question that we are going to introduce to you today。 Now let's get to know it。

  球墨铸铁井盖安装如采用机械接口形式,在压力较高的区域经常会出现配件被水冲跑而漏水;如采用油麻膨胀水泥接口,一方面劳动强度比较大,同时水泥接口为刚性接口,在沟槽基础较差、回填质量稍差及外加荷载较大的的情况下经常会出现接口损坏的情况,而且采用水泥接口也相应延长了工期。

  If the installation of nodular cast iron well cover adopts mechanical interface form, parts will often be washed away by water and leak in areas with high pressure; if oil flax expansion cement interface is used, on the one hand, labor intensity is relatively high, while cement interface is rigid interface, joint damage often occurs when groove foundation is poor, backfilling quality is slightly poor and external load is large, and on the other hand, joint damage often occurs when groove foundation is poor, backfilling quality is slightly poor and external load is large。 The use of cement interface also extended the construction period accordingly。

  井盖厂家在铸铁井盖安装中经常有曲线铺管但弧度不大的情况,此时应先进行直线拉管等管子安装到位后再进行弯转,在安装过程中须在弧的外侧用小木将已铺好的撑稳,以免位移。

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  In the installation of cast iron covers, the manufacturers often have curved pipe laying, but the radian is not very large. At this time, the straight-line pipe pulling and other pipes should be installed before bending. In the installation process, the outside of the arc should be stabilized by small wood to avoid displacement.

  铸铁井圈井盖采用机械接口配件进行连接,采用钢制双套进行连接、接口形式为油麻膨胀水泥接口,在铸铁井盖安装的过程中会出现一些问题。井盖厂家制作外径与球管插口外径相同的钢制标准管,将标准管焊接在卷板钢管上,然后将钢标准管插入球管承口进行安装。如果是球管插口与钢管相接,则在相接处增加一个球铁双套,然后再用标准管进行转换即可。

  Cast iron well covers are connected by mechanical interface fittings, steel double sets and oil flax expansive cement interface. Some problems will occur during the installation of cast iron well covers. The covers manufacturer manufactures steel standard pipes with the same external diameter as the spherical pipe socket. The standard pipes are welded on the coiled sheet steel pipe, and then the steel standard pipes are inserted into the spherical pipe socket for installation. If the socket of the spherical pipe is connected with the steel pipe, a double set of ductile iron is added at the junction, and then the standard pipe is used for conversion.

  为防止铸铁井盖在地下被侵蚀,延长管网使用寿命,铸铁井盖的外表面还要涂敷一层沥青漆,然后再包装入库。为使铸铁井盖耐侵蚀性更进一步增强,铸铁井盖厂家需在球墨铸铁井盖的外表面进行喷锌处理。

  In order to prevent the cast iron well cover from being eroded underground and prolong the service life of the pipeline network, the outer surface of the cast iron well cover should be coated with asphalt paint, and then packed into storage。 In order to further enhance the corrosion resistance of cast iron manhole covers, the manufacturers of cast iron manhole covers need to spray zinc on the outer surface of nodular cast iron manhole covers。

  以上我们为大家介绍的就是球墨铸铁井盖安装的几个基本步骤,注意好这些方面的问题非常的关键,希望以上介绍能够为您带来一定的提示和帮助。

  Above all, we introduce several basic steps for installation of nodular cast iron manhole covers. It is very important to pay attention to these problems. I hope that the above introduction can give you some hints and help.



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