Video: Cov hluav taws loj hlob li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Muaj peb yam uas ua rau lub kev loj hlob ntawm hluav taws nyob rau hauv ib lub tsev: oxygen, combustible khoom (roj) thiab lub zog (kub). Lub flashover tshwm sim thaum lub zog kub txaus tau sau. Cov hluav taws ces txav los ntawm theem loj hlob mus ua ib tug tag nrho tsim hluav taws.
Ib yam li ntawd, tej zaum koj yuav nug tias, hluav taws tsim li cas?
Hluav taws yog qhov tshwm sim ntawm cov tshuaj tiv thaiv tshuaj hu ua combustion. Ntawm ib qho chaw nyob rau hauv cov tshuaj tiv thaiv combustion, hu ua ignition point, nplaim taws yog ua . Cov nplaim hluav taws muaj feem ntau ntawm carbon dioxide, dej vapor, oxygen, thiab nitrogen.
4 theem ntawm hluav taws yog dab tsi? Los ntawm cov qauv feem ntau suav nrog International Fire Service Training Association (IFSTA) muaj 4 theem ntawm hluav taws. Cov theem no yog incipient, kev loj hlob , tag nrho tsim, thiab lwj.
Tsis tas li ntawd, 5 theem ntawm hluav taws yog dab tsi?
Kev tsim kho hluav taws xob hauv tsev tuaj yeem piav qhia raws li muaj plaub theem: incipient, kev loj hlob , tag nrho tsim thiab lwj (saib daim duab 1). Flashover tsis yog ib theem ntawm kev loj hlob, tab sis tsuas yog ib qho kev hloov pauv sai ntawm cov kev loj hlob thiab cov theem tsim tiav.
Cov mis ntawm hluav taws yog dab tsi?
2 C + O2 (Cov tshuaj tiv thaiv no tshwm sim thaum tsuas muaj cov pa oxygen txaus rau kev tsim cov pa roj carbon monoxide.) Cov tshuaj tiv thaiv no tso tawm lub zog uas koj xav tias muaj cua sov thiab lub teeb. Dab tsi yog hluav taws ? Teb: Hluav taws yog cua sov thiab lub teeb los ntawm kev sib xyaw ua ke ntawm oxygen thiab lwm yam ntaub ntawv.
Pom zoo:
Vim li cas cov hluav taws xob sab nraud tsuas yog suav nrog hauv daim duab kos duab hluav taws xob?
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Lub co2 hluav taws tua hluav taws puas ua haujlwm ntawm hluav taws kub oxidizer?
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