Ukuhlolwa kokuvimbela i-Dolomiteisivivinyo ongasikhetha ku-Euro EN 149:2001+A1:2009.
Imaski ivezwa othulini lwe-dolomite ngosayizi ongu-0.7~12μm futhi ukugxiliswa kothuli kufika ku-400±100mg/m3. Khona-ke uthuli luhlungwa nge-mask ngesilinganiso sokuphefumula esilingiswayo samalitha angu-2 ngesikhathi. Ukuhlolwa kuqhutshwa kuze kube yilapho ukuqoqwa kothuli ngesikhathi seyunithi kufinyelela ku-833mg · h/m3 noma ukumelana nokuphakama kufinyelela inani elishiwo.
Iukuhlunga kanye nokumelana nokuphefumula kwe-maskzabe sezihlolwa.
Zonke izifihla-buso ezidlula ukuhlolwa kokuvimbela i-dolomite zingafakazela ukuthi ukumelana nokuphefumula kwamaski ekusetshenzisweni kwangempela kuphakama kancane ngenxa yokuvimbela uthuli, ngaleyo ndlela kunikeze abasebenzisi umuzwa wokugqoka onethezekile kanye nesikhathi eside sokusetshenziswa komkhiqizo.
Isikhathi sokuthumela: Mar-29-2023