长时间从事化工行业的人定对换热器走漏不生疏,而产品走漏也会形成很严重的结果。那么,当它产生走漏之后的处理办法是什么呢?
走漏产生时形成给水压力减低,送至锅炉的给水量削减。因此在发现不锈钢列管换热器管系走漏时要立及时停运,削减管子的损坏数量,削减损坏程度。机组停运时,应检查高加是否走漏,并想办法消掉。
关于不锈钢列管换热器端口走漏,应刮去原有焊缝金属再进行补焊,并进行恰当的热处理,消掉热应力:关于管子本身走漏,应先查清管制走漏的方式及方位,并选用合适的堵管工艺,阻塞管子的两个端口。无论采用何种堵管工艺,为确保堵管的质量,被堵管的端头部位定要经过杰出的处理,使管板、管孔圆整、清洁,与堵头有杰出的触摸面。在管子与管板衔接处有裂纹或冲蚀的情况下,定要去掉端部原管子材料及焊缝金属,使堵头与管板严密触摸。
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