Qhov ntsuas kub ntawm ethanol yog dab tsi?
Qhov ntsuas kub ntawm ethanol yog dab tsi?

Video: Qhov ntsuas kub ntawm ethanol yog dab tsi?

Video: Qhov ntsuas kub ntawm ethanol yog dab tsi?
Video: Qhov Ntawm Ko Yog Dab Tsi 2024, Hlis ntuj nqeg
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Autoignition point ntawm cov tshuaj xaiv

Cov tshuaj Autoignition
Diesel lossis Dav Hlau A-1 210 ° C (410 ° F)
Diethyl ether hmoov 160 ° C (320 ° F)
Ethanol 365 ° C (689 ° F)
Roj av (Petrol) 247-280 ° C (477-536 ° F)

Tsuas yog li ntawd, yog dab tsi yog qhov piv txwv ntawm ignition kub?

» KEV KHO SIAB : Nws txhais tau tias cov khoom muaj qis tshaj kub nyob rau hauv uas nws spontaneously ignites nyob rau hauv ib txwm huab cua tsis muaj ib tug sab nraud qhov chaw ntawm taws . »ZOO SIAB Piv txwv : Nplaim taws & Hluav Taws.

Ib tus kuj tseem yuav nug tau tias, qhov kub ntawm qhov kub ntawm cov ntoo yog dab tsi? Ignition Kub ntawm Ntoo Ntoo muab tso rau hauv qhov cub ntawm 700 ° F. catches hluav taws yuav luag tam sim ntawd. Hauv qhov cub kub ntawm 450 ° -500 ° F., lub ntoo maj mam chars thiab feem ntau ignites tom qab ob peb teev. "Pyrophoric carbon," tsim thaum ntoo chars maj mam, nqus thiab sib txuas ua ke nrog cov pa.

Tom qab ntawd, lo lus nug yog, qhov ntsuas kub kub txhais li cas?

Txhais ntawm qhov kub thiab txias .: qis tshaj kub ntawm qhov uas cov khoom sib txuas tau thaum ua kom sov (zoo li hauv da dej ntawm cov hlau molten) siv hluav taws hauv huab cua thiab tseem kub hnyiab. - tseem hu ua autogenous ignition kub . - sib piv qhov hluav taws kub.

Qhov kub ntawm qhov hluav taws kub ntawm cov thee yog dab tsi?

Ignition kub ntawm cov thee thiab lwm yam hmoov av tsis cuam tshuam los ntawm particle loj. Qhov sib txawv loj yog ua los ntawm txoj kev thee hmoov av tuaj ntsib nrog qhov cua sov. Yog li, txheej hmoov ntawm thee tau taws ntawm qis dua kub (160 ° C kwv yees.), Hos muaj huab ntawm thee hmoov av yuav xav tau 450-650 ° C rau taws.

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