化学清洗法这种办法是将一种化学溶液循环地经过换热器,使板片表面的尘垢溶解,排出.此法不需要拆开换热器,简化了清洗进程,也减轻了清洗的劳动程度.因为板片波纹能促进清洗液剧烈湍流,有利于垢层溶解,所以化学清洗法是比较抱负的办法.
机械(物理)清洗法这种办法是将板片后用刷子进行人工洗刷,然后到达铲除板片表面尘垢的意图.此法虽然比较直接,但对较坚固,较厚的垢层,不易清洗洁净
归纳清洗法关于尘垢层比较坚固又较厚的情况,单纯选用上述一种办法都难以清洗洁净.归纳法是先用化学清洗法软化垢层,再用机械(物理)清洗法除去垢层,以坚持板片清洁洁净.不锈钢换热器—不锈钢换热器清洗注意事项,化学清洗时溶液要坚持一定的流速,一般为0.8~1.2m/s.其意图在与增加溶液的湍流程度.第二,关于不同的尘垢应选用不同的化学清洗液.除了常常选用的稀释纯碱溶液外,关于水垢可用5%的硝酸溶液.在纯碱出产中生成的垢,可用5%的盐酸溶液.但不得运用对板片发生腐蚀的化学洗剂.
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