Dab tsi yog melting point ntawm bitumen?
Dab tsi yog melting point ntawm bitumen?

Video: Dab tsi yog melting point ntawm bitumen?

Video: Dab tsi yog melting point ntawm bitumen?
Video: Nyiaj yog dab tsi? 2024, Lub peb hlis ntuj
Anonim

Bitumen muaj a melting point ntawm ib ncig ntawm 240degrees Fahrenheit uas yog siab txaus kom siv tau kev nyab xeeb rau kev tsim qauv thiab qis txaus kom sov li yam tsis siv lub zog loj.

Kuj paub, dab tsi yog qhov melting point ntawm asphalt?

Cov kub nyob ntawm seb yuav ntshiab npaum li cas asphalt yog tam sim no, tab sis kuv xav hais tias nws pib muaj teeb meem thaum huab cua kub yog nyob ib ncig ntawm 90 degrees Fahrenheit andthe kub ntawm txoj kev yog nyob ib ncig ntawm 110.

Ib sab saum toj, yuav ua li cas bitumen? Roj av Bitumen , ib txwm hu ua " Bitumen "los yog "Asphalt" yog tsim los ntawm refining roj av. Siv los ua ib daim ntawv khi rau hauv cov khoom siv hauv kev, nws yog cov khoom khov heev, xim dub lossis xim av tsaus. Thaum kawg, Bitumen yog tau los ntawm lub tshuab nqus tsev distillation los yog lub tshuab nqus tsev vacuumflashing ntawm atmospheric residue los ntawm lub tshuab nqus tsev distillationcolumn.

Tib neeg kuj nug, yuav siv li cas bitumen?

Feem ntau, nws ua haujlwm rau nws siv hauv paving thiab vov tsev thov. 85% ntawm tag nrho cov bitumen yog siv raws li ib tug binderin asphalt rau txoj kev, runways, chaw nres tsheb, thiab ko taw txoj kev. 10% ntawm siv bitumen yog thoob ntiaj teb siv hauv kev lag luam vov tsev vim nws cov dej tsis zoo pab ua kom lub ru tsev ua haujlwm tau zoo.

Qhov softening point ntawm bitumen qhia li cas?

Softening point muaj cov ntsiab lus tseem ceeb tshwj xeeb uas yuav tsum tau siv ua kev sib koom ua ke thiab tawg. Siab dua softening point xyuas kom lawv yuav tsis flowduring kev pab cuam. Higher cov softening point , tsawg dua kub kev raug mob. Bitumen nrog siab dua softening point yog nyiam nyob hauv qhov chaw sov dua.

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