Numerical and experimental study of pulse-jet cleaning in fabric filters

Andersen, B.O.; Nielsen, Niels Finderup; Walther, Jens Honoré

doi:10.1016/j.powtec.2015.12.028

Cited by 46 publications

(14 citation statements)

References 24 publications

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“…The static pressure difference across pleated filter media and peak static pressure were analyzed to study the effect of using annular-slit nozzle on the efficiency of reverse flow cleaning, especially at the top region of pleated filter cartridges. Andersen et al [25] and other researchers also adopted CFD and experiments to study the pulsed-jet cleaning system. Experimental pressure measurements are used as validation data for the full three-dimensional (3D) CFD model, which also is used to investigate the basic physics of subsonic/ supersonic pulsed-jet cleaning, the jet behavior and the effect of the venturi in relation to a typical pulsejet cleaned fabric filter.…”

Section: Introductionmentioning

confidence: 99%

An Experimental and Numerical Study on the Cleaning of Pleated Bag Filters Using Low-Pressure Pulsed-Jets

Chen¹,

Sun²,

Qian³

et al. 2022

Fluid Dynamics &Amp; Materials Processing

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Section: Introductionmentioning

confidence: 99%

An Experimental and Numerical Study on the Cleaning of Pleated Bag Filters Using Low-Pressure Pulsed-Jets

Chen¹,

Sun²,

Qian³

et al. 2022

Fluid Dynamics &Amp; Materials Processing

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“…Negative pressure effect has been extensively studied in other industries, such as Thomas et al, 12 Jeon and Jung, 13 Tsai and Tsai, 14 Bi et al, 15 and Andersen et al 16 applied it to the pulse jet precipitator and found that the negative pressure pipe can significantly improve the cleaning efficiency. Paterson, 17 Eckerle, 18 and Sundararaj and Selladurai 19 used the principle of negative pressure of jet to mix two kinds of liquids to study the effects of different injection angles and different jet momentum on the concentration of the two mixtures.…”

Section: Introductionmentioning

confidence: 99%

Analysis and application of cleaning tool structure in negative pressure reverse circulating wellbore

Qin¹,

Dong

Shiguo

et al. 2020

Advances in Mechanical Engineering

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Sediments frequently appear at the bottom of oil and gas wells in the bottom of carbonate rocks during completion or production, seriously affecting the productivity. In order to solve the wellbore cleaning problem, this article applies the Bernoulli equation theory method, the finite element method based on the standard turbulence model and the laboratory test to verify a kind of negative pressure wellbore cleaning tool which can establish local reverse circulation under the action of high-pressure water jet and salvage the bottom debris. Through the numerical analysis of the cleaning tool structure, it is found that the wall face diameter is at least two times of the nozzle hole diameter to effectively play the cleaning tool performance. If the total area of nozzle outlet is 48π mm2, the cleaning tool fishing capacity of six nozzle structures is improved the most. The analysis of the adaptability of the cleaning tool shows that the cleaning tool with an outer diameter of 104 mm is most suitable for the casing shaft with an inner diameter of 127.3 mm. The cleaning tool was applied to the field operation and successfully cleaned the wellbore, effectively increasing the wellbore productivity.

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“…Bi et al [14] found out that when the same cleaning effect was achieved, the consumption of compressed air required by the filter bag with the venturi tube was about 40% lower than that without the venturi tube. Andersen et al [15] pointed out the importance of optimizing venturi tube design in low-pressure filters by computational fluid dynamics (CFD) numerical simulation, and considered that the working principle of the venturi was to restrict backflow, which was detrimental to the pressure rise in the bags.…”

Section: Introductionmentioning

confidence: 99%

Effect of Venturi Structures on the Cleaning Performance of a Pulse Jet Baghouse

Liu

Huang

2019

Applied Sciences

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In order to study the effect of venturi structures on the cleaning performance of a pulse jet baghouse, several cleaning tests are carried out applying the pulse jet test bench. Experiments are performed using different filter bags with venturi tubes of varying throat diameters and lengths. Peak pressure and peak pressure arrival time are selected to evaluate the cleaning efficiency under different conditions. On this basis, a series of comparative experiments are conducted between a typical venturi-type and a new venturi tube design on a semi-industrial pulse jet baghouse. The effects of the new venturi-type on baghouse cleaning performance and dust emission are studied. The results show that pulsing air pressure has a significant effect on bag-cleaning performance; the larger the throat diameter and the shorter the venturi length, the higher the peak pressure and the shorter the peak pressure arrival time. This improves the cleaning efficiency of the filter bags. The new venturi design changes the distribution of the cleaning pressure in the vicinity of the bag mouth, effectively extending the cleaning cycle and reducing the energy consumption as well as reducing the dust emission concentration of the baghouse.

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Numerical and experimental study of pulse-jet cleaning in fabric filters

Cited by 46 publications

References 24 publications

An Experimental and Numerical Study on the Cleaning of Pleated Bag Filters Using Low-Pressure Pulsed-Jets

An Experimental and Numerical Study on the Cleaning of Pleated Bag Filters Using Low-Pressure Pulsed-Jets

Analysis and application of cleaning tool structure in negative pressure reverse circulating wellbore

Effect of Venturi Structures on the Cleaning Performance of a Pulse Jet Baghouse

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