Koj sim flash point li cas?
Koj sim flash point li cas?

Video: Koj sim flash point li cas?

Video: Koj sim flash point li cas?
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Flash ntsiab lus tau txiav txim siab sim los ntawm cua sov cov kua hauv ib lub thawv thiab tom qab ntawd qhia cov nplaim me me nyob saum cov kua dej. Qhov kub ntawm qhov uas muaj a nyem / hluav taws xob yog sau ua tus flash point . Ob txoj kev dav dav hu ua lub khob kaw thiab qhib khob.

Dhau li ntawm no, dab tsi yog qhov flash point ntawm ib yam khoom?

4.6. 6 Flash Point . Cov flash point ntawm cov kua yog txhais tau tias yog qhov qis tshaj qhov kub ntawm qhov a yam khoom generates ib tug txaus npaum li cas ntawm vapor los ua ib tug (vapor/air) sib tov uas yuav ignited (piloted hluav taws xob ).

Tsis tas li ntawd, high flash point txhais li cas? Cov flash point ntawm ib qho tshuaj yog qhov kub qis tshaj qhov twg nws yuav evaporate txaus kua los tsim ib tug combustible concentration ntawm gas. Cov flash point yog ib qho qhia txog qhov yooj yim npaum li cas cov tshuaj yuav hlawv. Cov ntaub ntawv nrog siab dua flash ntsiab lus tsawg flammable los yog txaus ntshai tshaj cov tshuaj nrog qis dua cov ntsiab lus flash.

Raws li txoj cai, qhov txawv ntawm flash point thiab ignition point yog dab tsi?

Lus txhais. Flash Point - yog qhov qis tshaj kub tias cov vapors ntawm cov khoom yuav taws thaum raug rau ib hluav taws xob qhov chaw. Ignition Kub (aka Autoignition Point ) - yog qhov qis tshaj kub tias cov khoom vaporises rau hauv cov pa roj uas ignites yam tsis muaj lwm yam nplaim taws lossis hluav taws xob qhov chaw.

Cov dej puas muaj lub teeb nyem?

Los ntawm txhais, tej kua nrog a flashpoint tsawg dua 100 ° F yog suav tias yog cov kua ua kua. Txhua yam kua nrog a flashpoint ntawm 100 ° F - 200 ° F yog suav tias yog combustible.

Flash Point.

Flammable kua Boiling Point, °C (1 atm) Flash Point, ° C
hexane 69 -7
pentane 36 -40
heptane 98.4 -4
dej 100 N/A

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