Qhov txawv ntawm FFP2 daim npog qhov ncauj thiab daim npog qhov ncauj phais |KENJOY

Qhov txawv ntawm aFFP2 daim npog qhov ncaujthiab daim npog qhov ncauj phais?Cov yam ntxwv ntawm ob yog dab tsi?Cov ntsiab lus hauv qab no tuaj yeem ua rau koj nkag siab zoo dua ntawm qhov sib txawv ntawm ob lub qhov ncauj qhov ntswg.Kuv vam tias nws yuav pab tau koj tom qab nyeem nws.

Qhov zoo thiab qhov tsis zoo ntawm kev tiv thaiv

FFP2 qhov ncauj qhov ntswg tuaj yeem tiv thaiv cov khoom tsis zoo, tab sis ntau tus neeg tseem xaiv lub qhov ncauj qhov ntswg.Tus yam ntxwv ntawm lub npog ntsej muag kho mob yog tias nws tiv thaiv lwm tus los ntawm tus neeg hnav ua pa, tab sis FFP2 lub npog ntsej muag tiv thaiv tus neeg hnav thiab lwm tus hauv ob qho kev qhia.

Puas yog kev phais mob txaus?

Raws li cov kab mob txuas ntxiv ua rau muaj kev puas tsuaj hauv huab cua, lub ntsej muag phais tseem siv tau, thiab hnav lub npog ntsej muag zoo dua li tsis hnav nws.Txawm li cas los xij, nyob rau lub sijhawm muaj cov kab mob sib kis, peb xav tau FFP2 lub qhov ncauj qhov ntswg vim tias lub qhov ncauj qhov ntswg kho mob tsis txaus los tiv thaiv tus kab mob sib kis, uas kis tau los ntawm huab cua sai dua li cov kab mob paub.

Npog qhov chaw nyiam FFP2 daim npog qhov ncauj

FFP2 cov tuam txhab pom zoo kom siv FFP2 qhov ncauj qhov ntswg nyob rau hauv qhov chaw kaw.Tsis tas li ntawd, thaum tib neeg xav ntsib cov neeg muaj kev pheej hmoo, lawv yuav tsum xaiv FFP2 qhov ncauj qhov ntswg.

Txawm hais tias tus qauv tau hloov pauv, ntau thiab ntau tus neeg hnav lub ntsej muag FFP2 hauv cov chaw pej xeem, tab sis qee tus neeg tseem xaiv lub qhov ncauj qhov ntswg.Cov kws tshaj lij hais tias ntawm ib sab, nws yog qhov teeb meem ntawm tus nqi, thiab lwm qhov laj thawj yog kev nplij siab.Yog hnav kom raug, nws tuaj yeem ua rau pob ntseg tsis xis nyob rau lub sijhawm ntev thiab txawm tias tawm ntawm lub ntsej muag.

Kev kho mob daim npog qhov ncauj

Qhov txawv ntawm daim npog phais kho mob thiab ffp2 daim npog ntsej muag yog tias qib kev tiv thaiv ntawm daim npog phais kho mob yog ib qib qis, thiab daim npog phais kho mob tau raws li cov kev cai ntawm daim npog phais kho mob.Nyob rau hauv cov xwm txheej ntawm huab cua txaus (30 ± 2) L / min, qhov pom kev ua haujlwm ntawm aerodynamic nruab nrab txoj kab uas hla (0.24 ± 0.06) μ m sodium chloride aerosol tsis tsawg dua 30%.Cov kab mob pom kev ua tau zoo nyob rau hauv cov xwm txheej tshwj xeeb, qhov pom kev ua haujlwm ntawm Staphylococcus aureus aerosol nrog qhov nruab nrab ntawm qhov nruab nrab ntawm (3 ± 0.3) μ m tsis tsawg dua 95%.Nyob rau hauv cov xwm txheej ntawm kev ua kom pom kev ua tau zoo thiab tus nqi ntws, qhov kev tawm tsam tsis txaus siab tsis tshaj 49Pa thiab lub sijhawm ua haujlwm tsis dhau 29.4Pa.

Lub npog ntsej muag phais tau pom nyob rau hauv cov kev taw qhia kev, feem ntau yog qhov cuam tshuam ntawm 0.3 micron cov khoom tsis yog roj uas xav tau los ntawm kev kho mob qhov ncauj qhov ntswg yog ntau dua 30%, kev kho mob lub qhov ncauj qhov ntswg xws li ffp2 qhov ncauj qhov ntswg yog 95%, thiab cov kab mob barrier ntawm 2 microns. nyob rau hauv txoj kab uas hla yuav tsum muaj ntau dua 95%, uas yog, tus qauv BFE95, uas yog me ntsis qis dua ffp2 qhov ncauj qhov ntswg, tab sis tsis ntau zuj zus.

Cov nyhuv tiv thaiv yog qhov zoo tshaj plaws thaum hnav kom raug

Ffp2 cov tuam txhab tau hais txog qhov tseem ceeb ntawm kev hnav kom raug.Yog tias muaj qhov sib txawv ntawm lub qhov ntswg thiab lub puab tsaig, lossis yog tias koj hnav tib lub npog ntsej muag rau ob peb hnub ua ke, lub npog ntsej muag tsis muaj txiaj ntsig, txawm tias koj hnav FFP2.FFP2 lub qhov ncauj qhov ntswg tsis tiv thaiv yog tias lawv tsis raug kaw kom zoo ntawm lub ntsej muag, txwv tsis pub tus kab mob tseem tuaj yeem nkag mus lossis ntws tawm, uas yog vim li cas tib neeg tuaj yeem kis tau txawm tias lawv hnav lub qhov ncauj qhov ntswg.

Cov no yog qhov sib txawv ntawm FFP2 lub ntsej muag thiab lub ntsej muag phais.Yog tias koj xav paub ntau ntxiv txog ffp2 lub ntsej muag, thov hu rau peb.