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KMID : 1024520100190040437
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Journal of the Environmental Sciences
2010 Volume.19 No. 4 p.437 ~ p.446
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Prediction of the Efficiency of Factors Affecting Pressure Drop in a Pulse Air Jet-type Bag Filter
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Suh Jeong-Min
Ryu Jae-Yong
Lim Woo-Taik
Jung Moon-Sub
Park Jeong-Ho
Shin Choon-Hwan
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Abstract
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The pressure drop through pulse air jet-type bag filter is one of the most important factors on the operating cost of bagfilter houses. In this study, the pilot-scale pulse air jet-type bag filter with about 6 m2 filtration area was designed and tested for investigating the effects of the four operating conditions on the total pressure drop, using the coke dust collected from a steel mill factory. When the face velocity is higher than 2 m/min, it is not applicable to on-spot due to the increase of power expenses resulting from a high-pressure drop, and thus, 1.5 m/min is considered to be reasonable. The regression analysis results show that the degree of effects of independent parameters is a order of face velocity > concentration > time > pressure. The results of SPSS answer tree analysis also reveal that the operation time affects the pressure drop greatly in case of 1 m/min of face velocity, while the inlet concentration affects the pressure drop in case of face velocity more than 1.5 m/min
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KEYWORD
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Pulse air jet-type bag filter, Pressure drop, Face velocity, Pulse pressure, Concentration
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