Uvavanyo lokuthintela iDolomiteluvavanyo olukhethiweyo kwi-Euro EN 149: 2001 + A1: 2009.
Imaski ibonakaliswe kuthuli lwe-dolomite kunye nobukhulu be-0.7 ~ 12μm kwaye ugxininiso lothuli lufikelela kwi-400 ± 100mg / m3. Emva koko uthuli luhluzwa ngemaski kwinqanaba lokuphefumla elilinganisiweyo le-2 ilitha ngexesha. Uvavanyo luyaqhubeka de ukuqokelela uthuli ngexesha leyunithi lifikelela kwi-833mg · h / m3 okanye ukuchasana kwe-peak kufinyelela kwixabiso elichaziweyo.
Iukuhluzwa kunye nokumelana nokuphefumla kwemaskizaye zavavanywa.
Zonke iimaski eziphumelele uvavanyo lokuthintela i-dolomite zinokungqina ukuba ukumelana nokuphefumla kweemaski ekusetyenzisweni kokwenyani kuyenyuka kancinci ngenxa yokuvalwa kothuli, ngaloo ndlela kunika abasebenzisi imvakalelo yokunxiba ekhululekileyo kunye nexesha elide lokusebenzisa imveliso.
Ixesha lokuposa: Mar-29-2023