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简述了套管式换热器污垢的危害性， 介绍了套管式换热器管间污垢循环流态化在线清洗装置的系统构成、基本原理及特点。工业应用结果表明， 该技术具有除垢效果好、清洗费用低以及对被清洗设备本身无损害等优点。
The harmfulness of the fouling of the bushing heat exchanger is briefly described. The system constitution, basic principle and characteristics of the on-line flusher flue-gas circulating cleaning device are introduced. Industrial application results show that the technology has the advantages of good descaling efficiency, low cleaning costs and no damage to the equipment being cleaned.