Abstract
本文通过综合比较发电厂为防止大气中CO2(亦有少量SOX、NOX和微细尘埃)对储水箱中除盐水二次污染所采取的各种密封方法的优缺点，引进膜式柔性浮顶密封技术，成功地对#5机组凝结水储水箱实施了封闭运行，从而有效地防止了大气中CO2对除盐水的二次污染，确保了向机组补充的除盐水合格。 The storage water tank of the unit 5 of Luohe power plant was sealed successfully with the film type flexible floating roof, after the advantages and disadvantages of some sealing methods used in the power plant to prevent the storage water tank from secondary pollution of CO2 (including a little SOX, NOX and superfine particle) in the air were compared comprehensively. Thus, the secondary pollution of CO2 inthe air to the demineralized water was prevented effectively, and the qualified demineralized water supplied to units was ensured.
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