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  4. Vol 3, Issue 4, 2023

Analysis of Occupational Hazard Factors and Countermeasures for Prevention and Control in a Vacuum Pump Maintenance and Cleaning Factory in Xi'an City, China

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DOI: 10.23977/phpm.2023.030406 | Downloads: 12 | Views: 339

Author(s)

Hanwen Shi 1, Mingzhu Zhang 1, Wei Wang 2, Yafei Xing 2, Baoning Qi 1

Affiliation(s)

1 Department of public health, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, 712046, China
2 Xi'an Ordnance Industry Health Research Institute, Xi'an, Shaanxi, 710068, China

Corresponding Author

Baoning Qi

ABSTRACT

In order to understand and detect occupational hazards in a vacuum pump repair and cleaning plant in Xi'an City, and to propose preventive and control countermeasures to protect workers' health. We carried out On-site testing at the plant from December 2022 to January 2023 according to relevant Chinese standards and requirements, and the results were evaluated and analyzed. Resultly, the maximum permissible concentration of potassium hydroxide in the cleaning area of a vacuum pump repair and cleaning plant in Xi'an is less than 0. 009mg/m3, and the test results comply with the limit values; the time-weighted average permissible concentrations of other dusts in the disassembling area, sanding area and assembling area of the plant are 0.8, 0.2 and 0.2mg/m3 respectively, and the test results comply with the limit values; the disassembling area, cleaning area, sanding area, assembling area, testing area, molecular pump testing room and equipment room of the plant are 0.8, 0.2 and 0. 2mg/m3 respectively. The 8h equivalent sound level of staff contact noise in the dismantling area, cleaning area, grinding area, assembly area, testing area, molecular pump testing room and equipment room are 78.1, 80.1, 69.4, 54.5, 66.3 and 71.6 dB(A) respectively, and the test results are in line with the limit value requirements. Thus, the concentration of potassium hydroxide, other dusts and noise intensity contacted by workers during the production period of a vacuum pump maintenance and cleaning plant in Xi'an meet the requirements of national regulations.

KEYWORDS

Vacuum pump; occupational hazards; prevention and control countermeasures

CITE THIS PAPER

Hanwen Shi, Mingzhu Zhang, Wei Wang, Yafei Xing, Baoning Qi, Analysis of Occupational Hazard Factors and Countermeasures for Prevention and Control in a Vacuum Pump Maintenance and Cleaning Factory in Xi'an City, China. MEDS Public Health and Preventive Medicine (2023) Vol. 3: 36-41. DOI: http://dx.doi.org/10.23977/phpm.2023.030406.

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