The technological flow and operation method of the on-line circular pickling and oil washing of the hydraulic pipeline of BF are discussed.
论述了高炉液压管线在线循环酸洗、油冲洗的工艺流程和施工方法。
2
In the production of samples, we found that the dimension A1 shown in drawing can be guaranteed by machining only. Once after processing, such as: to oil, phosphate, pickling, the dimension change.