Dab tsi yog 4 Hom Dej Extinguishers?

Taw qhia

Cov xwm txheej hluav taws kub hnyiab tuaj yeem ua rau muaj kev phom sij heev thiab tuag taus, yog li nws yog ib qho tseem ceeb kom muaj cov cuab yeej zoo los tua hluav taws sai sai. Ib qho cuab yeej zoo li no yog cov dej tua hluav taws, uas yog ib hom tshuaj tua hluav taws uas siv cov dej tua hluav taws. Txawm li cas los xij, tsis yog txhua qhov dej tua hluav taws yog tib yam, raws li lawv tau muab faib ua ntau hom raws li lawv lub peev xwm. Hauv tsab xov xwm no, peb yuav tham txog plaub hom kev tua dej thiab lawv cov yam ntxwv.

Hom A Dej Extinguishers

Hom A dej tua hluav taws, tseem hu ua cov dej tua hluav taws zoo tib yam, yog tsim los tua hluav taws uas muaj cov khoom siv hluav taws xob zoo xws li ntawv, ntoo, thiab ntaub. Cov hluav taws kub no raug cais raws li Class A hluav taws, thiab cov dej tua hluav taws muaj txiaj ntsig zoo hauv kev tso tawm. Hom A cov dej tua hluav taws siv cov dej ntshiab ua tus neeg tua hluav taws, uas yog txau rau hauv hluav taws hauv cov huab cua zoo uas ua rau cov nplaim taws txias thiab txo lawv cov cua sov.

Hom B Dej Extinguishers

Hom B cov dej tua hluav taws, tseem hu ua foam water extinguishers, yog tsim los tua hluav taws uas suav nrog cov kua hluav taws xob xws li roj av, roj, thiab roj. Cov hluav taws kub no raug cais raws li Class B hluav taws kub, thiab cov dej tua hluav taws tsis zoo hauv kev tso tawm vim dej thiab cov kua hluav taws xob tsis sib xyaw. Cov npuas dej hauv cov tshuab tua hluav taws no tsim qhov thaiv ntawm qhov hluav taws kub thiab cov pa oxygen, smothering nplaim taws thiab tiv thaiv kom tsis txhob kis tau.

Hom C Dej Extinguishers

Hom C dej tua hluav taws, tseem hu ua dej tua hluav taws, yog tsim los tua hluav taws uas muaj cov khoom siv hluav taws xob xws li khoos phis tawj, tshuab luam ntawv, thiab TV. Cov hluav taws kub no raug cais raws li Class C hluav taws, thiab kev siv dej los yog ua npuas dej tua hluav taws tuaj yeem ua rau muaj kev phom sij vim tias lawv ua hluav taws xob thiab tuaj yeem ua rau cov neeg siv hluav taws xob. Hom C dej tua hluav taws siv cov dej tsis zoo ntawm cov dej de-ionized, uas tsis ua hluav taws xob thiab muaj kev nyab xeeb rau kev siv hluav taws xob hluav taws xob.

Hom D Dej Extinguishers

Hom D cov dej tua hluav taws, tseem hu ua cov hmoov tua hluav taws qhuav, yog tsim los tua hluav taws uas muaj cov hlau combustible xws li magnesium, titanium, thiab potassium. Cov hluav taws kub no raug cais raws li Class D hluav taws, thiab siv cov dej los yog ua npuas dej tua hluav taws tuaj yeem ua rau muaj kev phom sij vim tias cov hlau tawg tau ua rau dej thiab tuaj yeem ua rau tawg. Hom D cov dej tua hluav taws siv cov hmoov qhuav ua cov tshuaj tua hluav taws, uas yog tsim tshwj xeeb los ua kom cov nplaim taws thiab tiv thaiv kev sib tsoo ntawm cov hlau.

Xaus

Cov dej tua hluav taws yog cov cuab yeej tseem ceeb rau kev tua hluav taws sai thiab ua tau zoo. Txawm li cas los xij, kev siv lub tshuab tua hluav taws xob tsis raug cai tuaj yeem ua rau muaj kev phom sij thiab tsis muaj txiaj ntsig, yog vim li cas nws tseem ceeb heev kom paub ntau hom thiab lawv lub peev xwm. Plaub hom kev tua dej yog hom A, Hom B, Hom C, thiab Hom D, txhua tus muaj cov yam ntxwv tshwj xeeb thiab muaj peev xwm tsim los rau cov hom hluav taws kub. Paub tias yuav siv hom twg tuaj yeem ua rau txhua qhov sib txawv ntawm kev cawm neeg txoj sia thiab tiv thaiv cov khoom puas tsuaj.