Thawj lub tshuab tua hluav taws tau patented los ntawm chemist Ambrose Godfrey nyob rau hauv 1723. Txij thaum ntawd los, ntau hom tshuaj tua hluav taws tau tsim, hloov kho thiab tsim.
Tab sis ib yam tseem zoo ib yam tsis hais lub sijhawm - plaub lub ntsiab lus yuav tsum muaj nyob rau ibhluav taws muaj. Cov ntsiab lus no suav nrog oxygen, cua sov, roj thiab tshuaj lom neeg. Thaum koj tshem tawm ib qho ntawm plaub lub ntsiab hauv "hluav taws daim duab peb sab, "qhov hluav taws kub tuaj yeem tua tau.
Txawm li cas los xij, thiaj li ua tiav qhov hluav taws kub tua hluav taws, koj yuav tsum siv covraug tua hluav taws.
Txhawm rau kom ua tiav qhov hluav taws kub, koj yuav tsum siv qhov tseeb tua hluav taws. (Duab / Greg Friese)
IB QHOV TSEEB
Vim li cas hluav taws rigs, tsheb tos neeg mob xav tau portable tua hluav taws
Cov lus qhia hauv kev siv tshuaj tua hluav taws
Yuav ua li cas thiaj yuav cov tshuaj tua hluav taws
Feem ntau hom hluav taws kub tua hluav taws siv rau ntau hom hluav taws roj yog:
- Dej tua hluav taws:Cov dej tua hluav taws douse hluav taws los ntawm kev tshem tawm cov cua sov ntawm daim duab peb sab hluav taws. Lawv tsuas yog siv rau qhov hluav taws kub hauv Class A nkaus xwb.
- Dry chemical fire extinguisher:Cov tshuaj tua hluav taws qhuav tua hluav taws los ntawm kev cuam tshuam cov tshuaj tiv thaiv ntawm daim duab peb sab hluav taws. Lawv muaj txiaj ntsig zoo tshaj plaws ntawm chav kawm A, B thiab C.
- CO2 hluav taws tua hluav taws:Cov pa roj carbon dioxide extinguishers tshem tawm cov pa oxygen ntawm daim duab peb sab hluav taws. Lawv kuj tshem tawm cov cua sov nrog ib tug txias paug. Lawv tuaj yeem siv rau hauv chav B thiab C hluav taws kub.
Thiab vim tias txhua qhov hluav taws kub tau roj sib txawv, muaj ntau yam ntawm cov tua hluav taws raws cov hom hluav taws. Some extinguishers can be used on more than one class of fire, while others warn against the use of specific class extinguishers.
Ntawm no yog kev tawg ntawm cov tua hluav taws uas tau sau los ntawm hom:
| Hluav taws kub extinguishers cais raws hom: | Dab tsi yog qhov hluav taws kub extinguishers siv rau: |
| Class A tua hluav taws | Cov tshuaj tua hluav taws yog siv rau cov hluav taws uas cuam tshuam nrog tib neeg cov ntoo, xws li ntoo, ntawv, ntaub, cov thoob khib nyiab thiab cov thoob khib nyiab thiab plastics. |
| Class B tua hluav taws | Cov tshuaj tua hluav taws yog siv rau cov hluav taws uas siv cov kua dej ua kua, xws li roj, roj av thiab roj. |
| Class C tua hluav taws | Cov tshuaj tua hluav taws yog siv rau cov hluav taws uas cuam tshuam nrog cov khoom siv hluav taws xob, xws li cov neeg muaj peev xwm thiab cov khoom siv hluav taws xob thiab cov khoom siv. |
| Class D tua hluav taws | Cov tshuaj tua hluav taws yog siv rau cov hluav taws uas cuam tshuam nrog cov hlau sib txuas, xws li potassium, sodium, txhuas thiab magnesium. |
| Class K hluav taws tua hluav taws | Cov tshuaj tua hluav taws yog siv rau cov hluav taws uas siv roj, xws li tsiaj thiab zaub noj. |
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias txhua lub hluav taws yuav tsum muaj sib txawv ntawm kev tua hluav taws raws li cov xwm txheej.
Thiab yog tias koj yuav siv lub tshuab tua hluav taws, tsuas yog nco ntsoov PASS: rub tus pin, taw lub nozzle lossis hose ntawm lub hauv paus ntawm qhov hluav taws kub, nyem qhov kev khiav hauj lwm kom tso cov neeg tua hluav taws thiab cheb lub nozzle los yog hose los ntawm sab mus rau sab kom txog thaum hluav taws tawm.
Post lub sij hawm: Aug-27-2020