INFLUENCE OF AIRFLOW GUIDE COLUMN ON PULSE DUST-CLEANING IN CARTRIDGE FILTERS

SONG Xilin; DING Wensi

doi:10.13205/j.hjgc.202404020

Volume 42 Issue 4

Apr. 2024

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2024 > 42(4): 167-174

SONG Xilin, DING Wensi. INFLUENCE OF AIRFLOW GUIDE COLUMN ON PULSE DUST-CLEANING IN CARTRIDGE FILTERS[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(4): 167-174. doi: 10.13205/j.hjgc.202404020

Citation:

SONG Xilin, DING Wensi. INFLUENCE OF AIRFLOW GUIDE COLUMN ON PULSE DUST-CLEANING IN CARTRIDGE FILTERS[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(4): 167-174. doi: 10.13205/j.hjgc.202404020

SONG Xilin, DING Wensi. INFLUENCE OF AIRFLOW GUIDE COLUMN ON PULSE DUST-CLEANING IN CARTRIDGE FILTERS[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(4): 167-174. doi: 10.13205/j.hjgc.202404020

Citation:

SONG Xilin, DING Wensi. INFLUENCE OF AIRFLOW GUIDE COLUMN ON PULSE DUST-CLEANING IN CARTRIDGE FILTERS[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(4): 167-174. doi: 10.13205/j.hjgc.202404020

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INFLUENCE OF AIRFLOW GUIDE COLUMN ON PULSE DUST-CLEANING IN CARTRIDGE FILTERS

doi: 10.13205/j.hjgc.202404020

SONG Xilin,
DING Wensi^,

Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510641, China

Received Date: 2023-03-31
Available Online: 2024-06-01

Abstract

Abstract

Pulse back blow dedusting with conventional cartridge filters was found to be imbalanced in terms of energy allocation, with the lower and upper cartridge sections respectively getting excessive and insufficient energy apportionment, consequently causing not only the lower section to be more susceptible to damage, but also the upper section to be ineffective in dedusting. In light of this problem, the present study proposed fitting airflow-guiding columns within the filter cartridge to guide the reversely-blow airflow and improve the internal flow field. A series of numerical simulations and experimental tests were employed to determine how the cartridge fared in pulse jet cleaning. The results showed that the proposed column-fitted filter cartridge received more evenly-distributed reversely-blown pressure, as the impact pressure intensities at the middle and lower cartridge sections were reduced to 65% of that of the original cartridge, thereby rectifying the excessive blowing strength issue. At the same time, the proposed modification also generated a sharp impact pressure intensity peak at the upper cartridge section, which subsequently addressed the weak blowing strength issue. Furthermore, under unchanged working conditions, the proposed column-fitted filter cartridge also gained a service life that is 8 times longer than its conventional counterparts.
- cartridge filters,
- reverse-blowing for dust cleaning,
- wall pressure,
- built-in structure

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References(17)

References

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