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酸洗槽钢外壳以环氧玻璃钢作防护衬里之前,需对钢壳内表面进行处理,以除去表面的氧化铁及其它不利于玻璃钢和钢壳结合的物质。以往,这项工序的传统作法是进行喷砂处理。喷砂除锈工时长,且喷砂过程中的粉尘对操作工人的身体健康不利。1976年鞍钢冷轧厂这次大修时,试用酸洗磷化法进行酸洗槽钢壳内表面处理取得了成功。这项新工艺的优点是大大缩短了大修工期,保证了工程质量,避免了施工中的粉尘危害。酸洗磷化工艺酸洗磷化法是由酸洗、水洗和
Before pickling the outer shell of the steel with epoxy glass fiber reinforced plastic as a protective lining, the inner surface of the steel shell needs to be treated to remove iron oxide on the surface and other materials that are not favorable for the combination of glass steel and steel shell. In the past, the traditional practice of this process was sandblasting. Sand blasting and rust removal work long hours, and the dust during sandblasting is unfavorable to the health of operators. In the major overhaul of Angang Cold Rolling Plant in 1976, the trials of the pickling phosphating method for the surface treatment of pickled steel shells were successful. The advantage of this new process is that it greatly shortens the overhaul period, ensures the quality of the project and avoids dust hazards during construction. Pickling phosphating process Pickling phosphating is done by pickling, washing and