Tus neeg tua hluav taws yog dab tsi?
Yav dhau los, dej yog lub cuab yeej tseem ceeb rau tib neeg los tua hluav taws. Nrog rau txoj kev loj hlob ntawm kev tshawb fawb thiab thev naus laus zis, tib neeg tau tsim ntau hom kev tua hluav taws, uas tau txhim kho cov hluav taws tua hluav taws zoo ntawm cov dej, los yog siv rau hauv qhov hluav taws kub qhov twg dej tsis tuaj yeem tua hluav taws ncaj qha, nthuav dav ntawm kev tua hluav taws thiab tiv thaiv. peb los ntawm ntau yam kev phom sij. Cov tshuaj tua hluav taws tuaj yeem muab faib ua cov dej tua hluav taws, cov tshuaj tua hluav taws ua npuas dej, cov hmoov tua hluav taws qhuav thiab cov roj tua hluav taws tua hluav taws raws li lawv cov ntaub ntawv. Cov tshuaj tua hluav taws sib txawv muaj cov yam ntxwv ntawm lub cev sib txawv, cov txheej txheem tua hluav taws sib txawv, thiab ntau hom hluav taws kub. Thaum peb ntsib hluav taws, xaiv tus neeg tua hluav taws zoo thiab cov cuab yeej tua hluav taws tuaj yeem ua tiav ob zaug qhov tshwm sim nrog ib nrab ntawm kev siv zog.
Hom hluav taws tua hluav taws, Dab tsi yog qhov xwm txheej hluav taws kub nws tuaj yeem tiv nrog?
Tus neeg tua hluav taws ntau tshaj plaws hauv lub neej yog tus neeg tua hluav taws tua hluav taws. Raws li lub npe qhia, nws yog cov kua hluav taws tua hluav taws sib xyaw nrog dej thiab lwm yam tshuaj lom neeg. Tom qab muab tshuaj tsuag, cov dej tua hluav taws tua hluav taws los ua ib qho pos huab, uas sai sai evaporates lub tshav kub ntawm hluav taws thiab txo qhov kub. Cov surfactant muaj nyob rau hauv nws sai sai tsim ib txheej ntawm dej zaj duab xis nyob rau saum npoo ntawm cov khoom combustible, uas muaj ob lub zog ntawm txias thiab cais oxygen, thiab koom nyob rau hauv tua hluav taws nyob rau tib lub sij hawm, yog li ua tiav lub hom phiaj ntawm kev tua hluav taws sai.
Thaum cov khoom siv hluav taws xob zoo sib xws xws li thee, ntoo, paj rwb, ntaub pua chaw, ntawv, yas, roj hmab, thiab lwm yam hluav taws kub, cov dej tua hluav taws tuaj yeem siv los tua hluav taws. Ntoo hluav taws yog ib qho hluav taws kub tshwm sim hauv lub neej. Cov kev sim hauv qab no siv cov dej tua hluav taws tua hluav taws los tua hluav taws. Nws tuaj yeem pom tau tias tom qab tus neeg tua hluav taws tua hluav taws tau txau rau hauv cov ntoo, cov nplaim hluav taws tau sai sai.
Ua npuas ncauj tua hluav taws
Foam fire extinguishing agent yog tus neeg tua hluav taws tua hluav taws zoo rau kev tua cov nplaim hluav taws. Foam fire extinguishing agent yog miscible nrog dej thiab ua npuas ncauj rau extinguishing hluav taws los ntawm txhua yam kev ua los yog tshuaj tiv thaiv. Nws ua npuas dej ntab rau saum txheej txheej ntawm cov nplaim hluav taws kub hnyiab, thaiv kev sib cuag ntawm cov kua thiab cua thiab ua kom cov kua kub kub.
Cov tshuaj tua hluav taws ua npuas dej feem ntau yog siv los tua hluav taws ntawm cov kua xws li roj av, roj av, roj av, roj av, roj av, methanol, ethanol, asphalt, paraffin, thiab lwm yam. xav tau kev tua hluav taws. Cov kev sim hauv qab no siv cov tshuaj tua hluav taws ua npuas dej los tua cov hluav taws kub. Nws tuaj yeem pom tau tias tom qab ua npuas dej tau txau rau hauv lub lauj kaub roj, cov nplaim taws maj mam txo qis.
Qhuav hmoov hluav taws tua hluav taws yog tsim los ntawm cov khoom zoo uas ua los ntawm kev sib xyaw cov khoom siv hluav taws xob tua hluav taws uas tsim nyog ntawm cov roj nplua nyeem thiab cov dej pov thawj, thiab cov pa roj carbon dioxide feem ntau yog siv los ua lub zog tshuaj tsuag. Cov hluav taws tua hluav taws hauv cov hmoov qhuav hluav taws tua hluav taws tuaj yeem nqus cov dawb radicals hauv cov tshuaj tiv thaiv combustion thiab inhibit cov saw hlau ntawm kev sib txuas.
Thaum qee cov hlau combustible xws li magnesium, sodium, potassium, thiab lwm yam hluav taws kub, lawv hnov mob hnyav nrog dej vim lawv cov khoom siv tshuaj lom neeg. Yog li ntawd, cov hmoov qhuav qhuav tua hluav taws feem ntau yog siv los tua hluav taws kub. Cov kev sim hauv qab no qhia tau hais tias siv cov hmoov qhuav qhuav tua hluav taws los tua hluav taws tom qab magnesium hlau ntes hluav taws. Cov hlau magnesium ntes hluav taws sai sai thaum nws ntsib hluav taws, thiab qhov hluav taws kub maj mam txo qis nyob rau hauv qhov nruam txau ntawm cov hmoov qhuav hluav taws tua hluav taws.
Gas fire extinguishing agent
Gaseous fire extinguishing agents feem ntau yog sib xyaw ntawm cov pa roj carbon dioxide thiab nitrogen thiab halogenated alkanes xws li heptafluoropropane thiab hexafluoropropane. Thaum tua hluav taws, tus neeg tua hluav taws tua hluav taws sai sai ua rau qhov chaw tua hluav taws, txo cov pa oxygen concentration hauv qhov chaw zoo, yog li ua tiav cov hluav taws tua hluav taws.
Nws qhov tseem ceeb tshaj plaws yog tias nws yuav tsis ua kom muaj kuab paug tom qab tua hluav taws, yog li nws feem ntau siv los tiv thaiv scenes xws li tsev qiv ntawv, archives, chav computer, tsev txhab nyiaj, thiab lwm yam uas khaws cov cuab yeej precision lossis cov khoom siv nyob. Cov kev sim hauv qab no feem ntau simulates kev siv heptafluoropropane roj tua hluav taws tua hluav taws los tua hluav taws hauv lub txee. Cov khoom siv tua hluav taws tsis siv neeg tua hluav taws tau tshwm sim sai tom qab cov roj lauj kaub hauv lub txee faib khoom yog ignited. Cov roj heptafluoropropane nws txau yog siv rau kev tua hluav taws tua hluav taws kom ua tiav sai thiab huv tua hluav taws. Qhov hluav taws kub tsis muaj zog sai, thiab lub txee faib khoom tom qab tua hluav taws yuav luag tsis muaj kuab paug los ntawm tus neeg tua hluav taws rov qab.
