Quality control methods on dust sampling and weighting process of filteringcartridge are pointed out based on dust monitoring practices and comparative researches.
通过对烟尘测试的实践和对比研究，提出了烟尘测试中滤简的称量过程和烟尘采样过程的质量控制和方法。
2
Folded filter cartridge with internal and external supporting elements, which has good resistance to destroy and long service life and can increase effective filtering area, is adopted.
采用带内外支承体的折叠式滤心结构，滤心抗破坏能力强，有效过滤面积大，使用寿命长；
3
Some problems exist during the operation of cartridge filter, such as little effect of blast cleaning, minor air requirement and low filtering rate, etc.