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呼和浩特神舟硅业多晶硅项目部精馏提塔竣工
From:Our Website Author:Admin
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Published Time:2016年11月12日 17:26:24
由七公司承建的内蒙古神舟硅业1500吨/年多晶硅项目目前进入最后紧张的扫尾、吹扫和试压阶段,精馏提新增淋洗塔工段也在这个冲刺阶段顺利竣工,为氢化炉开车奠定了基础。
新增淋洗塔工段属于设计变更增加部分,业主要求提前投入使用,此工段共有4台废气洗涤塔、2台安全液封罐、1台废水输出泵、2台循环液泵等9台设备。管道主要是钢衬里管道240多米管线和120多米碳钢管线。钢衬管的安装难度主要是管段的长度是固定的,在按照施工图的安装过程中,有些管线发生偏差,造成同一管线不能碰头。在新增淋洗塔的安装过程中,由于的3台泵基础发生现场变更,整体向新增淋洗塔框架北移500mm,而安装施工图没有进行相应的更改,致使安装作业组在管道安装过程中对泵的进、出口管线都进行了相应的试安装,以施工图纸作为流程参考,对安装管线进行拆除并重新组装,以达到符合设计的目的,并因此赢得了业主、监理和总承包方的赞许。新增淋洗塔装置的管道从3月17日开始安装,经过安装五队工人师傅们有序紧张的施工,在3月25日下午6点顺利完工。而相应的与新增淋洗塔碰头的9条管线共180米,也从3月20日开始施工,在3月26日早上10点也顺利完工。
新增淋洗塔的管线刚刚安装完毕,安装五队的师傅们就已经做好了试压前的准备。从3月27日开始,新增淋洗塔开始进入试压阶段,由于试压系统不是很复杂,在3月28日下午4点新增淋洗塔的试压工作顺利完成,提前完成了总承包方下达的任务。至此,我方在新增淋洗塔装置的工作画上了一个圆满的句号。
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