Flow field and pressure characteristics in pulse-jet dust cleaning

Zhang, Q.; Liu, D.; Hu, A. J.; Xu, Hailun; Chen, H. Y.

doi:10.1007/s13762-022-04347-w

Cited by 1 publication

(1 citation statement)

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“…Ren et al [6] examined the static pressure distribution along the surface of the filter during the pulse-jet cleaning process, reduced incomplete cleaning, and realized a more stable operation of the dust collector by using high pressure. Chen et al [7,8] found that if the injection pressure was too low, the force entering the filter bag would be insufficient, the pressure difference between the inner surface and the outer surface of the filter bag would be large, and the ash removal efficiency would be poor. However, if the injection pressure was too high, it could easily cause excessive ash removal from the filter bag, reducing the service life of the filter bag and increasing the input cost of equipment.…”

Section: Introductionmentioning

confidence: 99%

The Synergistic Effect of the Filtration Area Controlled by the Electromagnetic Valve and Injection Pressure on Pulse-Jet Dust Cleaning Performance

Fu,

Lǖ,

Huang

et al. 2024

Atmosphere

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In engineering pulse-jet dust collector applications, the filtration area and injection pressure are chosen mostly based on experience. The peak pressure is tested under different injection pressures and filtration areas controlled by an electromagnetic valve, and then comprehensively analyzes the effects of dust intensity, uniformity, and air consumption on dust cleaning to obtain a better filtration area controlled by an electromagnetic valve and injection pressure. The results show that considering the uniformity and intensity of dust cleaning, the filtration area of 33 m2 under the injection pressure of 0.4 MPa should be preferentially selected, with a standard deviation of 0.246 and a variance of 0.061. The filtration area of 27 m2 under the injection pressure of 0.3 MPa should be preferentially selected considering the unit air consumption, uniformity, and intensity of dust cleaning, the standard deviation of 0.252, and the variance of 0.064. The paper presents a theoretical foundation for selecting the optimal injection pressure and filter area regulated by an electromagnetic valve in pulse-jet dust collector systems.

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Section: Introductionmentioning

confidence: 99%