Journal of Korean Society of Occupational and Environmental Hygiene (한국산업보건학회지)
- Volume 10 Issue 2
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- Pages.98-108
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- 2000
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- 2384-132X(pISSN)
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- 2289-0564(eISSN)
Development of a jet air supplying welding mask for controlling welding fumes
압축공기를 이용한 용접흄 제어용 용접면(JASM)의 개발
- Song, Se-Wook (Korea Occupational Safety and Health Agency) ;
- Kim, Jong-Gil (Korea Occupational Safety and Health Agency) ;
- Ha, Hyun-Chul (Department of Environmental Engineering, Changwon National University) ;
-
Kim, Tae-Hyeung
(Department of Environmental Engineering, Changwon National University)
;
- Kim, Jong-Chul (Boram Environment & Technology Co., Ltd.) ;
- Jung, Yu-Jin (Department of Environmental Engineering, Changwon National University)
- Received : 2000.08.01
- Accepted : 2000.10.20
- Published : 2000.11.30
Abstract
Controlling the over-exposure of welding fumes is not an easy problem because neither general nor local exhaust ventilation systems could be successfully applied. A jet air supplying welding mask was development to reduce the exposure level of welding fumes. The jet airs tream pushes the welding fumes away from the breathing zone by using the frictional characteristic of jet. Laboratory experiments were conducted to optimize the efficiency of controlling welding fumes. Thereafter, its performance was tested in a laboratory and an industrial field. The efficiencies of reducing the welding fume exposure were about 90% and 80% in a laboratory and an industrial field, respectively. Additionally, it resulted in elimination of heat inside the mask and enhancement of clear visuality.