Uburyo bukomeye no kubika neza ububiko bwa fosifate

Fosifate ishobora kwerekanwa ikozwe hamwe na aside ya fosifori cyangwa fosifate, kandi uburyo bwayo bwo gukomera bujyanye nubwoko bwa binder bukoreshwa nuburyo bukomeye.

Hardening mechanism and correct storage of phosphate refractory castables (2)

Ihuza rya fosifate irashobora kuba aside ya fosifori cyangwa igisubizo kivanze cya aluminium dihydrogen fosifate ikorwa na reaction ya aside ya fosifori na hydroxide ya aluminium. Mubisanzwe, binder na aluminium silike ntibitwara mubushyuhe bwicyumba (usibye ibyuma). Gushyushya birasabwa kugirango umwuma uhuze kandi uhuze ifu hamwe kugirango ubone imbaraga mubushyuhe bwicyumba.

Iyo coagulant ikoreshejwe, gushyushya ntibisabwa, kandi ifu ya magnesia nziza cyangwa sima ya alumina ndende irashobora kongerwamo kugirango byihute. Iyo ifu ya magnesium yongeyeho ifu nziza, ihita ikora hamwe na aside ya fosifori kugirango ikore, itera ibikoresho byo kunanirwa gushiraho no gukomera. Iyo aluminate ya sima yongeyeho, fosifeti ifite imiterere myiza ya gell, fosifike irimo amazi nka calcium monohydrogen fosifate cyangwa diphosphate. Kalisiyumu ya hydrogène, nibindi, itera ibikoresho gukomera no gukomera.

Hardening mechanism and correct storage of phosphate refractory castables (2)

Duhereye ku buryo bukomeye bwa acide ya fosifori na fosifate yangirika, birazwi ko mugihe igipimo cyibisubizo hagati ya sima hamwe nudukingirizo twa porojeri hamwe nifu ya porojeri bikwiye mugihe cyo gushyushya hashobora kubaho ikintu cyiza cyo kuvunika. Nyamara, ibikoresho fatizo byangiritse byinjizwa muburyo bwo guhinduranya, gusya no kuvanga. Bazabyitwaramo na sima hanyuma barekure hydrogène mugihe cyo kuvanga, bizatera inganda zibyimba kubyimba, kurekura imiterere no kugabanya imbaraga zo kwikuramo. Ibi ntabwo ari byiza kubyara aside isanzwe ya fosifori hamwe na fosifate yangirika.


Igihe cyo kohereza: Ugushyingo-04-2021