Under the operating mode, the charged particles can cause the electric field change in ESP, such as ion electric current weakening, original electric field distorting and voltage of dust layer influence particle charging, etc.

• 针对烟气中荷电颗粒的电场特性及收尘极板粉尘层的反向场强对电除尘器电晕电场的影响,建立了颗粒群空间荷电模型,提出了荷电衰减系数的概念。