Umsebenzi wemikhwama yomgodi

Izingxenye eziyinhloko zamakhemikhali ze-powder yezimayini yi-CaO, SiO2, Al2O3 ne-Fe2O3, njll. I-powder yezimayini isetshenziswa njengokhonkolo noma i-filler emhlanganweni we-asphalt, ikwazi ukunciphisa izikhala ze-asphalt concrete, ukunciphisa ukudla kwe-cement, ukuthuthukisa ukusebenza kahle komsebenzi we-concrete, nokunciphisa ukushisa kokuhlangana. Ngaphezu kwalokho, umxube we-powder yezimayini ne-asphalt ungakha i-asphalt m.

Imibandela yokuhlakanipha kwamanzi emgwaqeni wezithuthi

《Isicelo Sokuhlakanipha Kwempahla Yomgwaqo Wasemhlophe》JTG F40-2004 sinikeza imibandela mayelana nokwehluka okwamanzi emgwaqeni wasemhlophe, okungukuthi ukwahlukana kwayo, njengoba kukhulunywe lapha.

Ngomgwaqo, umgwaqo omkhulu: izingxenye zeminerali ezincane kunama-0.6mm kufanele zibe yi-100%, ezincane kunama-0.15mm kufanele zibe yi-90% - 100%, ezincane kunama-0.075mm kufanele zibe yi-75% - 100%.

Ngenye indlela yomgwaqo, amanzi esibulala-mafu izingxenye zeminerali ezincane kunama-0.6mm kufanele zibe yi-100%, ezincane kunama-0.15mm kufanele zibe yi-90% - 100%, ezincani...

Qaphela: bhekisa "izincazelo zobuchwepheshe zokwakhiwa kokwakhiwa komgwaqo we-asphalt"

Iziphakamiso zempahla

MTW European-type mill

[Indawo yokusebenza]: I-MTW series Europeanism Trapezium mill isetshenziswa kabanzi inqubo yokuphosa impahla yomkhiqizo emigqeni ye-metallurgy, izinto zokwakha, imboni yamakhemikhali.

[impahla esetshenziswayo]: i-quartz, i-feldspar, i-calcite, i-talc, i-barite, i-fluorite, i-tombarthite, i-marble, i-ceramic, i-bauxite, i-phosphate ore, i-zircon sand, i-slag, i-water slag a

Imihlathi ye-LM ye-vertical roller mill

[Inketho yokusebenzisa]: ifanelekele isisimendi, amandla angapheli, imfuyo, umkhiqizo wezinto eziningi zekhemikhali, umkhiqizo weminerali.

[Izinto ezifanelekayo]: isisimendi, i-coal, i-feldspar, i-calcite, i-talc, i-fluorite, i-iron ore, i-copper, i-phosphate ore, i-graphite, i-quartz, i-slag, njll.

Ulwazi olukhulu lolwimi lolwimi

1. Ku-asphalt concrete, ingabe amaminerali ayengeziwe, ayengeziwe kangcono?

Ubukhulu be-particle size bungalandelwa, hhayi obuncane. Izinga lokudlula kwesisekelo esingu-0.15mm kufanele libe yi-90-100%.
Ukugaya kakhulu, ngakolunye uhlangothi, kuholele ekusetshenzisweni okukhulu kwamandla nokungabizi, ngakolunye uhlangothi, kwenza ukuthi inhlanganisela ibe nzima kakhulu, okwenza kube lula ukuwa ngesikhathi ifakwa emgwaqweni.

2. Kungani “uphondo lwezikhala” olutholwe ekuhlanganiseni kwe-asphalt concrete lungavunyelwa ekwakhiweni kwemigwaqo?

(1) Upho lwezikhala ludinga ukuba ne-alkaline kuyilapho ukuvuselela iphunga kungakahle.
(2) Ubukhulu bokuphola bukuhlobo lwezikhala kudinga ukuhambisa okungama-75% for ubukhulu bamaphetshana >0.075mm kodwa ukuvuselela kunzima kakhulu ukukufeza futhi akuzinzile.
(3) Iphuthu leziminerali liqondwa njengephuthu elingcolwe ngokucubungula amaqhwa aqhwaqhwazayo njenge-layimusi noma i-magmati, kuyilapho ukukhishwa kunezinto ezithile zomhlabathi nezinhlaka ezingcolile.
(4) Ubukhulu bombutheli bemaminerali kufanele bungekho phansi kuka-2.5t/m3 lapho ukuphindisela kungafiki ezingeni.
(5) Okuqukethwe kwamanzi kumaminerali akufanele kube ngaphezu kuka-1% lapho ukuphindisela kunokuthile okuningi kwamanzi, kube nenhlaka eqinile.

3. Yiziphi imisebenzi ye-limestone powder kanye ne-blast-furnace slag uma kufakwa ku-asphalt concrete?

I-limestone powder ingowokwezinto ezinganqamuki ezicwaningweni zezakhi, itholakala ku-asphalt pavement, ithuthukisa viscosity ye-asphalt namandla, ingasetshenziswa nasekwakhiweni kwezitimela nasezindaweni zomgwaqo, idlala indima yokugcwalisa.
Umsebenzi ophakeme we-blast furnace slag powder, i-slag powder ingasetshenziswe ngokugcwele noma ngokungenelele ukuthatha indawo ye-limestone powder, kunciphisa i-bitumen-aggregate ratio ye-asphalt mixture. Uma ithathwe ngokugcwele indawo, i-void fraction ye-mixed aggregate ifinyelela inani eliphansi kakhulu futhi nokusebenza okuqinile kufinyelele okuhle kakhulu kanye nokuqinile kokubambezelela okungaphansi kwezinga lokushisa kanye nokuhambisana kwe-asphalt.
Qaphela: Izingxenye zedizayini ye-Asphalt Pavement yoMgwaqo (JTGD50-2006)
Uchwepheshe wezobuchwepheshe wokwakha i-asphalt pavement yomgwaqo (JTG F40-2004)