4a boiling stone does not dissolve in water, washing powder dissolved slow;
第4A沸腾石不溶于水,溶解缓慢的洗涤粉;
Base on the analysis of water deposit stick to the outside wall of tubes of transforming gas heat recovery boiler study the problem in chemical cleaning process as well as make a proposal that residual boiling stone should be converted into another type and do alkali cleaning properly.
通过对制氢转化气余热锅炉管束外的垢样分析以及对化学清洗中存在问题的探讨,提出对残垢进行碱煮转型后,适时采取酸洗的建议。
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