Uvavanyo lokuvimba iDolomite– EN149

Uvavanyo lokuvimba iDolomiteluvavanyo olungenamkhethe kwi-Euro EN 149:2001+A1:2009.

Imaski ivezwa kuthuli lwedolomite olunobukhulu obuyi-0.7 ~ 12μm kwaye uxinaniso lothuli lufikelela kwi-400±100mg/m3. Emva koko uthuli luhluzwa ngemaski ngesantya sokuphefumla esilinganisiweyo seelitha ezi-2 ngexesha. Uvavanyo luyaqhubeka de ukuqokelelana kothuli ngexesha ngalinye kufikelele kwi-833mg · h/m3 okanye ukumelana okuphezulu kufikelele kwixabiso elichaziweyo.

Iukuhluzwa kunye nokumelana nokuphefumla kwemaskiemva koko zavavanywa.

Zonke iimaski eziphumelela uvavanyo lokuvimba i-dolomite zinokubonisa ukuba ukumelana nokuphefumla kweemaski xa zisetyenziswa ngokwenene kunyuka kancinci ngenxa yokuvimba uthuli, nto leyo enika abasebenzisi imvakalelo yokunxiba ekhululekileyo kunye nexesha elide lokusebenzisa imveliso.


Ixesha lokuthumela: Matshi-29-2023