The process,equipment design and operation of a 120 kt/a sulphuric acid and 150 kt/a saturated vapor sulphur-burning sulphuric acid system in Yancheng Qingsong Sulphuric Acid-Energy Co.
介绍盐城庆松硫能有限公司12万t/a硫酸和15万t/a饱和蒸汽硫磺制酸系统的工艺流程、设备结构及生产运行情况等。
This article introduces the common problem of the structure of vapor pipeline and crude oil pipeline's overhead arm of crude oil pontoon, and the structure's specific demands and the advantages and disadvantages of new and old structure.
20世纪 60年代以来 ,我国沿长江炼油厂原油趸船的蒸汽管线、原油管线跨舱臂结构常出现的问题 ,包括易渗漏、垫片易损坏、补偿性差、内应力大等。