SIMULATION OF INTERIOR FLOW FIELD IN THE COMPOSITE BAG FILTER

YUE Wen-yi; DUAN Chao-long; XIE Dong-ming

doi:10.13205/j.hjgc.202005021

Volume 38 Issue 5

Aug. 2020

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YUE Wen-yi, DUAN Chao-long, XIE Dong-ming. SIMULATION OF INTERIOR FLOW FIELD IN THE COMPOSITE BAG FILTER[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(5): 120-125,95. doi: 10.13205/j.hjgc.202005021

Citation:

YUE Wen-yi, DUAN Chao-long, XIE Dong-ming. SIMULATION OF INTERIOR FLOW FIELD IN THE COMPOSITE BAG FILTER[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(5): 120-125,95. doi: 10.13205/j.hjgc.202005021

YUE Wen-yi, DUAN Chao-long, XIE Dong-ming. SIMULATION OF INTERIOR FLOW FIELD IN THE COMPOSITE BAG FILTER[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(5): 120-125,95. doi: 10.13205/j.hjgc.202005021

Citation:

YUE Wen-yi, DUAN Chao-long, XIE Dong-ming. SIMULATION OF INTERIOR FLOW FIELD IN THE COMPOSITE BAG FILTER[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(5): 120-125,95. doi: 10.13205/j.hjgc.202005021

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SIMULATION OF INTERIOR FLOW FIELD IN THE COMPOSITE BAG FILTER

doi: 10.13205/j.hjgc.202005021

Zhongye Changtian International Engineering Co., Ltd, Changsha 410215, China

Received Date: 2019-12-03

Abstract

Abstract

In this paper, in order to obtain the law of the influence of relative position of the baffles and the inlet and outlet on the air flow distribution in the bag filter, under the condition of higher negative pressure and higher inlet wind speed, the air flow distribution in the composite bag filter under four different boundary conditions were studied through the CFD numerical simulation method. The results were as the follows: the overall uniformity of flue gas treatment capacity was better when the relative position of air inlet and air outlet was 90°; the guide plate arranged at the lower part of the filter bag, which could not only avoid the impact of activated carbon particles on the filter bag, but also make the overall distribution of the flue gas treatment capacity of the filter bag more uniformed; the closer the filter bag was to the edge of the precipitator, the greater the flue gas treatment capacity was because of the inlet jet effect. This research provided a reference for further optimizing the structure of composite bag filters.
- pneumatic conveying system,
- composite bag filter,
- numerical simulation,
- air flow distribution

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References(19)

References

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