Muva nje, umugqa wokukhiqiza i-powder ye-slag yensimbi onekhono elikhulu lokukhiqiza eShayina uqediwe futhi waqala ukusebenza eShagang Group. Isamba sokutshalwa kwezimali salo msebenzi singama-yuan ayizigidi ezingu-170, futhi kulinganiselwa ukuthi kuzokhiqizwa amathani angu-600000 e-powder ye-slag yensimbi minyaka yonke. Ngenxa yobunzima obukhulu be-slag yensimbi, ububanzi bezinhlayiya ze-ball mill evamile kanye ne-roller mill busacishe bube ngu-6-8mm ngemva kokuchotshozwa, okudinga amabhizinisi okukhiqiza usimende ukuthi aphinde acubungule.i-slag yensimbiumshini wokugaya oqondile isetshenziswa emgqeni wokukhiqiza we-steel slag mill yaseShagang, "eshiya" ngqo isixhumanisi esiphakathi. Ububanzi be-slag yensimbi bungafinyelela cishe ku-0.003mm. Ngokusekelwe ekunciphiseni ukusetshenziswa kwamandla kwenqubo, kunganciphisa izingozi zemvelo, kuthuthukise inani elengeziwe lomkhiqizo, kukhuthaze futhi ukuguqulwa kwe-steel slag kusuka "kudoti oqinile" kuya "kumkhiqizo", futhi kufinyelele "ukuthuthuka okuphindwe kabili" kwezinzuzo zokuvikelwa kwemvelo kanye nezinzuzo zomnotho. Lokhu kukhombisa ukuthi i-steel slag mill inethuba elihle emakethe. Njengomshini wokugaya we-steel slag oqondile ochwepheshe, i-HCMilling (Guilin Hongcheng) izokwethula ukusetshenziswa kwemakethe kwe-steel slag vertical roller mill.

ukugaya insimbi ye-slagumshini wokugaya

Kuyaqondakala ukuthi "ukugaya insimbi" kuyiphrojekthi yokuvikela imvelo eyaziwayo embonini, iphrojekthi yomnotho engasetshenziswa kabusha, kanye "nesinyathelo sesibili" sokwelashwa kwensimbi eShagang. Ngo-2020, iShagang izokwakha iphrojekthi enkulu kunazo zonke yokwelashwa kwensimbi eShagang enamathani ayizigidi ezingu-3.3, futhi ifinyelele ukusetshenziswa okuphelele okungu-100% kwensimbi eShayina ngokuhlukaniswa kwamagnetic, ukuchoboza, ukugaya induku, ukuhlunga kanye nokunye ukucubungula okujulile. Ekupheleni kuka-Okthoba walowo nyaka ofanayo, cishe amathani angu-600 ensimbi eShagang asetshenziswa ngempumelelo kuphrojekthi yokuguqula isiponji yemigwaqo kamasipala waseZhangjiagang. Ngemva kweukugaya insimbi ye-slagumshini wokugayaUma umugqa wokukhiqiza usuqalile ukusebenza, i-slag yensimbi isishintshe ngempela isuka “emfucumfucwini eqinile” yaba “umkhiqizo”, futhi izinsiza zokuvuselela kabusha “zomisiwe futhi zacindezelwa”, okwandisa uchungechunge lwezomnotho oluhlaza. “Ububanzi bezinto zokusetshenziswa buyi-6-8mm, bese sizigaya nge-roller mill yensimbi ye-slag eqondile, futhi ubuncane bufinyelela cishe ku-0.003mm ububanzi.” Ngokusho kochwepheshe ovela endaweni yokusebenzela yokugaya i-Shagang New Materials Co., umugqa wokukhiqiza i-slag yensimbi evamile ungamathani angaba ngu-300000 embonini yonke. Umugqa wethu omusha wokukhiqiza wamathani angu-600000 uyinkomba yemboni yonke futhi ulungele kakhulu ukwakheka kwezindinganiso zemboni ezisebenzayo.

Ucwaningo mayelana nokuthuthukiswa nokusetshenziswa kwempuphu yensimbi ye-slag micro luyindaba eshisayo ngemuva kokusetshenziswa okukhulu kwempuphu ye-slag micro eminyakeni yamuva nje. Ukukhiqizwa kwempuphu encane noma impuphu encane ehlanganisiwe yi-slag yensimbi kungasusa umehluko ekugayweni kahle ekukhiqizweni kwesamente yensimbi ye-slag. Lapho i-slag yensimbi igaywa ibe yi-fineness ethile yi-i-slag yensimbi umshini wokugaya oqondile, lapho indawo ethile yobuso ingaphezu kuka-400m2Kg, insimbi yensimbi ingasuswa ngezinga elikhulu kakhulu. Isakhiwo sekristalu sezinto sihlelwa kabusha ngokugaya okuhle kakhulu, futhi isimo sobuso bezinhlayiya siyashintsha, Ubuso bungathuthuka futhi buvuselele umsebenzi we-slag yensimbi, okwenza izici zezinto zokuqinisa i-hydraulic zidlale. Lapho i-powder ye-slag yensimbi kanye ne-slag powder kuhlanganiswa, zinenzuzo ye-superposition. I-calcium hydroxide eyakheka lapho i-C3S kanye ne-C2S ku-slag yensimbi kufakwa amanzi iyona eyisisekelo esishukumisa i-slag. Idatha yakamuva ikhombisa ukuthi nakuba ukusetshenziswa kwempuphu ye-slag njengokuhlanganiswa kwekhonkrithi kungathuthukisa amandla ekhonkrithi futhi kuthuthukise ukusebenza nokuqina kwengxube yekhonkrithi, i-alkalinity ephansi ye-blast furnace slag (% CaO+% MgO)/(% SiO2+% Al2O3), cishe u-0.9~1.2, kuzonciphisa kakhulu i-alkalinity yesigaba soketshezi kukhonkrithi, kulimaze ifilimu engasebenzi yokuqinisa kukhonkrithi (i-pH<12.4 kulula ukuyilimaza), futhi kubangele ukugqwala kokuqinisa kukhonkrithi. Ngaphezu kwalokho, i-blast furnace slag iyi-vitreous body ene-C3AS ne-C2MS2 njengezingxenye eziyinhloko. Ukukwazi ukugaya kwempuphu ye-slag ye-blast furnace slag kuvela ekuqhekekeni kwesakhiwo se-slag vitreous. Imikhiqizo ye-hydration ingakhiwa kuphela ngaphansi kwesenzo se-Ca (OH) 2. I-slag yensimbi ine-alkalinity ephezulu (% CaO+% MgO)/(% SiO2), cishe engu-1.8~3.0. Amaminerali ikakhulukazi yi-C3S, C2S, CF, C3RS2, RO, njll. I-fCaO kanye namaminerali asebenzayo ku-slag yensimbi akhiqiza i-Ca (OH) 2 lapho ehlangana namanzi, okuthuthukisa i-alkalinity yoketshezi ohlelweni lwekhonkrithi. Ingasetshenziswa njenge-activator ye-alkaline ye-slag powder. Ikhonkrithi exutshwe ne-slag powder yensimbi inezici zamandla aphezulu esikhathini esizayo. Ngakho-ke, i-slag yensimbi kanye ne-slag composite powder ingafunda komunye nomunye, futhi ukusebenza kuphelele kakhulu.

Inqubo yokukhiqiza i-slag yensimbi umshini wokugaya oqondile Ihlanganiswe nokuchoboza, ukugaya, ukomisa kanye nokukhethwa kwempuphu, okubonakala ngokusetshenziswa kwamandla aphansi, ukusebenza kahle kokuvala, indawo encane yephansi, inqubo elula, njll. Ubuncane obudingekayo kanye nokusatshalaliswa kosayizi wezinhlayiya kungatholakala ngokulungisa ijubane elijikelezayo le-powder concentrator, izinga lokugeleza komoya kwefeni yokugaya kanye nengcindezi yokugaya. Ngokushintsha kwezindlela zokuklama kanye nemibono kanye nobuchwepheshe benqubo obukhula ngokuya bukhula, ukutshalwa kwezimali kohlelo lwe-roller mill oluqondile kuncishisiwe kakhulu, okuyisisekelo esilingana noma esiphakeme kancane kunohlelo lwe-closed circuit ball mill. Ngenxa yezinzuzo zalo ekusebenzeni nasekusetshenzisweni kwamandla, uhlelo luzosetshenziswa kabanzi kakhulu. I-HCMilling (Guilin Hongcheng) iyi-roller mill yobuchwepheshe yensimbi eqondile.I-HLM steel slagumshini wokugaya oqondile iyithuluzi elifanele ukusiza umshini wokugaya oqondile ukwandisa imakethe yempuphu ye-slag yensimbi. Ingagaya i-powder ye-slag yensimbi enendawo ephezulu ethile engaphezu kuka-700, igcine izinqubo ezimbili zokugaya ngaphambi kokugaya kanye nokugaya kokugcina, futhi iqedele ukukhiqizwa kwempuphu ye-slag yensimbi ngesinyathelo esisodwa.

Uma unezidingo ezifanele, sicela usithinte ukuze uthole imininingwane ngemishini.