Video: Dab tsi yog dej ntub dej tua hluav taws?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
" Cov dej ntub dej ": Dej nyob rau hauv uas ib tug nto nro txo tus neeg sawv cev tau qhia. Lub resultant sib tov, nrog nws txo qhov nro, muaj peev xwm nkag mus rau burning khoom ntau dua thiab extinguish sib sib zog nqus zaum. hluav taws . Cov khoom no txo qhov nro saum npoo ntawm lub tiaj dej (rau <33 dynes/cm).
Ntawm no, cov neeg tua hluav taws puas ua kom dej ntub dej?
Qhov tseeb: Cov neeg tua hluav taws siv wetting agents rau ua kom dej ntub dej Cov tshuaj txo qhov nro ntawm lub tiaj dej yog li nws yooj yim dua rau kis thiab tsau rau hauv cov khoom, uas yog vim li cas nws thiaj li hu ua "ntub dej ” Tshawb nrhiav seb qhov twg koj nyiam kev tshawb fawb "qhov tseeb" yog qhov tseeb.
Tsis tas li ntawd, kuv yuav ua li cas kom kuv cov dej ntub dej ntau dua? Hauv qhov xwm txheej twg dej yog scarce los yog nws yog impractical rau ntub nto txhua hnub ib qho additive tuaj yeem siv los ua kom tiav, cov txiaj ntsig ntev dua. Ib tug surfactant, los yog nto active neeg sawv cev, ua dej ntau siv tau los ntawm ua dej ntub dej. Dej ua "dej" los ntawm kev txo qis nws qhov nro.
Yog li ntawd, cov neeg tua hluav taws ntxiv dej dab tsi?
Yog vim li cas rau qhov no yog tias, Class A ua npuas ncauj, thaum siv tau zoo, tso cai rau hluav taws tua sai dua thiab nrog tsawg dua. dej tshaj yuav yuav tsum tau yog tias nws tsis tau siv. Qhov nruab nrab, kev siv Class A npuas nce cov dej wetting muaj peev xwm kaum-fold.
Yuav siv cov tshuaj ntub dej li cas los pab tua hluav taws?
Wetting Agent Dej tau txais ntau xyoo raws li qhov ua tau zoo tshaj plaws hluav taws tua hluav taws tus neeg sawv cev vim nws yuav luag universal muaj, nws muaj peev xwm nqus tau cua sov thiab vim nws yog kua. Nws txo qhov nro ntawm dej los ntawm 72 dynes / cm² kom tsawg dua 33 dynes / cm².
Pom zoo:
Lub ntsiab txhais ntawm lo lus hluav taws xob hluav taws xob yog dab tsi?
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Lub co2 hluav taws tua hluav taws puas ua haujlwm ntawm hluav taws kub oxidizer?
Lub tshuab tua hluav taws xob carbon dioxide tsis yog qhov kev xaiv zoo rau kev tua hluav taws oxidizer vim nws ua haujlwm ntawm lub hauv paus ntsiab lus ntawm kev tsis suav nrog cov pa oxygen, thiab cov pa oxygen atmospheric tsis xav tau rau hluav taws kub oxidizer. Cov tshuaj tua hluav taws qhuav qhuav kuj tseem yuav siv tsis tau rau feem ntau