Application of ion exchange softening method, can make steam boilerfeedwater hardness meet eligibility criteria.
应用离子交换软化法，可使蒸汽锅炉给水的硬度达到合格标准。
2
Therefore, the copper plain tube in HP heaters can be replaced with the steel spirally fluted tube for the requisition of having no copper in boilerfeedwater system.
因此，可以采用钢质螺旋槽管替代高压加热器中的铜光滑管，实现锅炉给水系统无铜化运行的要求。
3
This artical introduce the construct, principle and other main functions of the boilerfeedwater pump turbine control system.