Purifying the Welding Fume on the Spot with Corona Plasma

Yan Sheng Du; Chun Du Wu; Jin Yu Chu; Cheng Wu Yi

doi:10.4028/www.scientific.net/AMR.955-959.1069

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 955-959Purifying the Welding Fume on the Spot with Corona...

Purifying the Welding Fume on the Spot with Corona Plasma

Abstract:

The welding fume has significant effects on the weld workers’ health. In order to overwhelm the shortcomings of the control measures of the welding fume, the research of the purifying of welding fume on the spot was carried out. The purifying device was designed. The relationship between the corona discharge voltage and the purifying efficiency was investigated through experiments with different needle-electrode numbers, different ring-electrode numbers and different needle-plate distances. The results show that 5-needle double-ring electrode has the best efficiency; the purifying efficiency is increase with the lessening of the needle-plate distance and the increase of the discharge voltage. Using 5-needle double-ring electrode, the purifying efficiency reaches its maximum value 97.9% while the needle-plate distance is 6 cm, the discharge voltage is-35 kV. The purifying device has an excellent purifying effect on the welding fume.

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Periodical:

Advanced Materials Research (Volumes 955-959)

Pages:

1069-1073

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.955-959.1069

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Online since:

June 2014

Authors:

Yan Sheng Du*, Chun Du Wu, Jin Yu Chu, Cheng Wu Yi

Keywords:

Corona Plasma, Purifying on the Spot, Welding Fume

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* - Corresponding Author

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