Ntau yam khoom siv yuav muaj qee qhov teeb meem me thaum siv nws. Txhawm rau ua haujlwm nws ib txwm, kev tshuaj xyuas txhua hnub yog qhov tsis tuaj yeem zam. Cia peb saib seb qhov hloov kho bitumen (kev sib xyaw: asphaltene thiab resin) cov khoom yuav tsum tau ua hauv lub neej txhua hnub. Cov hauj lwm soj ntsuam yog dab tsi?
Peb yuav tsum tsis tu ncua xyuas cov hloov kho emulsifier ntawm cov hloov bitumen cog. Yog tias cov emulsifier tau siv ntev ntev thiab qhov sib txawv ntawm emulsified bitumen colloid zeb yuav loj dua, ces peb yuav tsum tau kho nws nyob rau lub sij hawm no mus ntxiv ntau lawm. Qhov no yog ib qho kev sib piv Cov lus nug yooj yim: Hloov kho bitumen cog yog ntxiv cov khoom siv sab nraud (modifiers) xws li roj hmab, resin, siab molecular polymers, finely av roj hmab hmoov los yog lwm yam fillers, los yog yuav tsum ntsuas xws li me me oxidation ua ntawm bitumen los ua tus bitumen los yog bitumen binder ua los ntawm kev txhim kho cov kev ua tau zoo ntawm bitumen sib tov.

Txheeb xyuas qhov teeb meem ntawm kev hloov kho. Feem ntau, tus nqi ntawm cov hloov kho ntxiv yuav tsum nyob rau hauv qhov chaw. Thaum ntxiv, tus nqi pH yuav tsum tau kho raws li qhov zoo ntawm cov dej siv. Qhov teeb meem no xav kom cov neeg ua haujlwm los soj ntsuam. Tej yam tshwm sim kuj tshwm sim los ntawm cov teeb meem nrog hloov bitumen (sib xyaw: asphaltene thiab resin) cog nws tus kheej, vim hais tias dog dig bitumen kuj muaj kev faib ua feem. Thaum tsim cov hloov kho bitumen, yuav tsum tau them nyiaj rau seb cov khoom siv raw yog qhov yuav tsum tau ua. Ordinary bitumen thiab guaranteed zoo.
Hloov kho bitumen tsim los ntawm cov cuab yeej hloov kho bitumen, ntawm ib sab, khaws cia lossis ua kom cov cohesiveness, plasticity thiab fluidity ntawm tus qub bitumen, ntawm qhov tod tes, nws txhim kho qhov kub thiab txias stability (piav qhia: ruaj khov thiab ruaj khov; tsis hloov pauv) bitumen thiab Elasticity, uas tuaj yeem ua tiav lub hom phiaj ntawm kev txhim kho kev ua haujlwm ntawm txoj kev bitumen.
Tsis tas li ntawd, cov cuab yeej hloov kho bitumen (cov khoom sib xyaw: asphaltene thiab resin) cov cuab yeej siv cov txheej txheem ntau lawm thiab kev tshawb fawb thiab tuaj yeem ua tiav cov khoom tiav polymer hloov bitumen mus txog 30 tons / / teev. Nws tseem yog ib lub tshuab nruam nruam nrog ib lub tshuab loj loj ntau lawm. Kev sib deev hloov emulsified bitumen cov cuab yeej tsim nyog rau kev tsim cov khoom sib txawv me me thiab nruab nrab ntawm cov khoom siv hloov kho emulsified bitumen. Nws tuaj yeem ua tau raws li qhov xav tau ntawm ntau yam kev thov thiab tsim cov hloov kho bitumen cog nrog kev ua haujlwm siab thiab ruaj khov (piav qhia: ruaj khov thiab ruaj khov; tsis muaj kev hloov pauv).