The elimination of inclusions from molten steel before casting into mould using ladle refiningoperation and tundish metallurgy is the key practice to obtain clean steel.
采用钢包精炼方法把夹杂物消灭在钢水进入结晶器之前是获得“干净”钢水的关键。
2
The process of secondary refining of brine, operation and regeneration principles of resin tower and attentive problems were introduced.
介绍了盐水二次精制的工艺流程、操作方法以及树脂塔的再生原理和注意问题。
3
The process for the treatment of the waste acid from crude benzol refining with calcining process is studied, the optimum operation data are discussed and the process is optimized.