密封风与一次风差压低跳闸保护逻辑完善

Logic perfection of trip protection for low differential pressure of sealing air and primary air

通过对密封风与一次风差压低跳闸保护逻辑原理的介绍及存在问题的分析，提出了改造方案，使磨组保护逻辑得到了进一步的完善。

Introduces the principle of logic perfection of trip protection for low differential pressure of sealing air and primary air, analyzes the existing problems, proposes the improving schemes, makes further perfection of the protection logic of the milling units.