本课题采用的闭路循环式密闭通风除尘系统，使用环隙喷吹脉冲滤袋除尘器。
The effectiveness of an air tight ventilatory dust exhaustive system with closed circuit cycle and pulse fissure blow filter bag was studied.
采用旋风除尘器和滤袋除尘器，或旋风除尘器和滤芯除尘器串联的两级闭路回收系统，可达到喷粉理想回收效果。
Two stage connected closed recycle system, such as cyclone scrubber and bag filter scrubber, or cyclone and paper filter scrubber can enhance the recycle of powder.
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