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按原国家质量技术监督局颁发的《锅炉化学清洗规则》和原电力工业部《火力发电厂锅炉化学清洗导则》规定,额定工作压力为9.8MPa及以上的汽包式锅炉,在投产前必须进行酸洗,以清除锅炉在轧制、加工过程中形成的氧化物以及在存放、运输、安装过程中产生的腐蚀产物、焊渣和泥沙污物等。1998年镇海炼化公司第二热电厂引进了2台
According to the “Rules for Chemical Cleaning of Boilers” issued by the former State Bureau of Quality and Technical Supervision and the “Guidelines for Chemical Cleaning of Boilers in Power Plants” issued by the former Ministry of Electric Power Industry, the drum-type boilers with a rated working pressure of 9.8MPa and above must be operated before being put into production Pickling, to remove the boiler in the rolling, the formation of oxides and the process of storage, transportation, corrosion products produced during the installation, welding slag and sediment and so on. In 1998, Zhenhai Refining and Chemical Company Second Thermal Power Plant introduced 2 units