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?????? ???????? ??? ????? ?? ????? ?????? ???? ????? ?????? ?? ????? ????? ?????? ???????? ???????? ???????. ?????? ???? ????????? ???????? ??????? ????????? ????????. ?????? ?? ????? ??? ??? ?????? ?????? ?????? ?? ????? ?????? ????????. ??? ???? ????? ????? ?????? ???????? ?????? ?? ???? ??????? ???????? ?? ??????.

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????? ??????:??????? ?????? ?????? MAG ? ???? ??? ??????? ? ???. ??? ??? ???? ??? ?????? ??? ????? ?????.

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??????? ??? ???? ??????? ????? ??????? ??????? ????????? ?? ????? ???????? ??? ?? ?????? ? ??? ???? Renhe ??? ?????? ???? ?????? ?????? ???????? ??????? ??????? ?? ?????? ???? ????? ?????? ?????? ?? ?????? ???? ??????? ?????? ?? ??????:

1. ??? ????? ???? ????? ????? ?????? ?????? ?????? ??? ????? ???? ??????. ???? ?????? ???? ????? 4 ????? ??????? ???? ????? 9 ?????.

2. ??? ????? ?????? ?????? ?? ??????? ???????? ?????? ???? ???? ????? ?????? ? ???? ????? ???? ?????? ?? ???? ??????? ?????? ?????? ????? ??????. ?? ??? ????? ??????? ???????? ??? ?????? ?? ??????? ?? 24 ? * 6 ?.

3. ??? ????? 70 ???? ????? ????? ???? ? ?? ???? ?????? ?? ??? ???? ???? 5000 ??? ???? / ???? ? ??????? 350000 ??? ???? / ???? ?

4. ???? ??? ?????? ?? ????? ??? ????? ?????? ???? ????? ?? ?????? ???? ????? ????? ??????? ? ??? ???? ?????? ?? ???? ????? ????????.

?????? ???????

After comprehensive treatment of the fume in the on-site welding workshop, it was tested that the concentration of electric welding fume in the workshop was <2mg/m3, which met the standard requirements of GBZ2.1 2019 "Occupational Exposure Limits of Harmful Factors in the Workplace-Chemical Harmful Factors" (<4mg/m3)