China nnukwu ụlọ ọrụ mmepụta ihe siri ike n'efu bụ tumadi ọdụ, ofufe uyi, coal gangue, smelting slag, coal-chụọ n'ọrụ slag na desulfurization gypsum.Nkwadebe nke ihe owuwu ụlọ site na ihe mkpofu siri ike adọtala mmasị karị.Ndị na-eme nchọpụta emeziwanyela oke ojiji nke mkpofu siri ike na ụlọ ọrụ ihe owuwu ụlọ site na nkwalite na nyocha na mmepe nke akụrụngwa na teknụzụ.N'otu oge ahụ, mba dị iche iche enyela iwu na ụkpụrụ nkwado iji kpalite mmasị ụlọ ọrụ maka iji ihe mkpofu siri ike, si otú a na-eme ka mmetụta nke mkpofu siri ike nke ụlọ ọrụ na-emetụta gburugburu ebe obibi ruo n'ókè ụfọdụ.Dị ka emeputa nke ígwè tailings egweri igwe nri, anyịígwè tailings vetikal igwe ihe igwe e ọtụtụ-eji ígwè tailings ájá egweri ihe ụlọ keukwu itinye n'ọrụ oru ngo.HCMilling (Guilin Hongcheng) ga-ewebata nkà na ụzụ nke ịkwadebe ihe ụlọ site na ọdụ ọdụ ígwè.
1. Calcined ciment clinker
Ígwè ọdụ ọdụ bụ ọgaranya ígwè mmewere, nke nwere ike dochie ígwè ntụ ntụ dị ka akụrụngwa maka ciment clinker mmepụta.Ịkụ ciment clinker ọkụ na nkume nzu, ájá quartz na ígwè ọdụ dị ka akụrụngwa nwere ike ibelata okpomọkụ calcination na ọnụ ahịa ciment n'ụzọ dị irè, mana ọnụ ọgụgụ ngwakọta dị oke, na oke ịgwakọta ọnụ ga-ebelata ike ciment.Ka ọ dị ugbu a, ọnụ ọgụgụ ọdụdụ ígwè a na-eji emepụta ciment clinker bụ nanị ihe dịka 15%.Ọ dị ngwa ngwa ịmepụta ngwá ọrụ ọhụrụ na nkà na ụzụ ọhụrụ iji meziwanye ọnụ ọgụgụ nke ọdụdụ ígwè ma hụ na ngwaahịa ciment dị mma.
2. Ihe nchịkọta ihe
Oke isi ike nke ọdụ ọdụ ígwè na-esite na usoro quartz nke dị n'ime, nke nha nha ya dị nso na ụfọdụ ájá osimiri eke na ájá arụpụtara, enwere ike ịgwakọta ya ka ọ bụrụ mkpokọta.The ihe na 28d ike nke banyere 40MPa nwere ike kwadebere site na iji ígwè tailings na urughuru size ihe na-erughị 1mm dochie eke osimiri ájá dị ka ezi mkpokọta.Dabere na njikarịcha nke mkpokọta grading, ihe ngwakọta nke eji ọdụ ígwè na igwe mere ájá dị ka nchịkọta nwere ike ọ bụghị nanị izute ihe ndị a chọrọ maka ihe maka ihe, kamakwa ọ nwere nkwụsi ike ka mma karịa nke ọdụdụ ígwè na ájá osimiri, nke bụ ihe ọzọ. na-enyere aka ịchịkwa ihe dị mma.N'ihe gbasara usoro ntinye ego nke ugbu a, iji mee ka ọnụọgụ mgbake ígwè dịkwuo mma, ihe ndị dị n'ọdụ ụgbọ mmiri na-adịwanye mma, nke siri ike izute ụkpụrụ nke nchịkọta na-enweghị isi ma tinye ya na kọmpụta nkịtị.
3. Concrete ịnweta admixture
Ngwongwo mineral na-abụkarị nke amorphous siliceous, calcareous na aluminum, nke na-arụ ọrụ dị mkpa n'ịkwalite kọmpat, impermeability na anwụ ngwa ngwa nke ihe.Ha nwere ike belata oriri ciment ma belata okpomọkụ nke hydration n'otu oge ahụ.Ya mere, ọ dị mkpa ịchọta ihe mgbakwunye ịnweta ịnweta ọhụrụ maka mmepe mmepe nke ụlọ ọrụ ciment.Akụkụ bụ isi nke ịnweta n'ime ọdụ ọdụ ígwè na-abụkarị quartz, nke nwere obere ọrụ pozzolanic na steeti eke.Otu esi emeziwanye "ọrụ pozzolanic" nke ọdụdụ ígwè aghọwo isi okwu nke ndị nchọpụta ugbu a.Dị ka otu n'ime ụzọ ndị a na-ejikarị eme ihe maka ịgbalite ọdụdụ ígwè, ịhịa aka n'ahụ nwere ike ibelata ume ike nke ọdụdụ ígwè ma mepụta ọtụtụ ntụpọ lattice na nrụrụ plastik.Nchoputa a gosiri na n'ibu egweri nwere ike kpalie pozzolanic ọrụ nke ahụkarị ịnweta n'ụzọ na ígwè tailings.Dị ka urughuru size nke mechanically ala mineral na-ebelata, quartz nwere ike imeghachi omume na Ca (OH) 2 na ciment slurry n'ịwa amorphous hydrated calcium silicate gel na ettringite crystal na ndị ọzọ hydration ngwaahịa.Nnyocha ahụ na-egosi na mgbe igwe igwe na-egweri ihe karịrị 40min, a na-ebelata akụkụ dị nkọ nke ọdụdụ ígwè, a na-egosipụtakwa obere ihe ndị ọzọ, na-eji nwayọọ nwayọọ na-eme ka otu ahụ dịkwuo mma.Na anhydrite iron tailing calcium oxide usoro, na siliceous ígwè tailing nke n'ibu egweri nwere ike ịgwakọta na 30% iji kwadebe 32.5 ciment.N'okpuru ọnọdụ nke obere ihe nkedo mmiri, ezigbo ígwè ọdụdụ ntụ nwere ike ịkwalite mmalite hydration nke cement composite composite hydration, mee ka oghere nke ngwa agha dịkwuo kọmpat, ma melite ike mmalite.Mmụba nke mpaghara elu kpọmkwem nke ọdụ ọdụ ígwè enweghị mmetụta doro anya na-emeziwanye ndepụta ọrụ ya;Mgbanwe nke ọgwụgwọ okpomọkụ nwere ike ịbawanye nrịbama ọrụ n'oge mmalite (7d), mana ọ nwere mmetụta dị nta na ntinye ọrụ na njedebe oge (28d).N'ihi na ígwè tailings slag composite usoro, ọrụ index nwere ike mma site na-emeziwanye usoro egweri, si otú ahụ na-eme ka anwụ ngwa ngwa nke ihe.Ojiji ezi uche dị na ya iji mmiri na-ebelata mmiri nwere ike ịbawanye ọdịnaya nke ọdụdụ ígwè na ihe nkịtị site na 30% ruo 40%.Ngwunye ọdụdụ ígwè nwere ike imeziwanye arụmọrụ nke igwe site na mmetụta nke ya, si otú a na-akpali ọrụ pozzolanic nke ọdụdụ ígwè.Site n'ịkwalite oke nke ọdụdụ ígwè, slag, clinker na gypsum composite cementitious material, a pụrụ ịkwadebe ihe dị elu na-arụ ọrụ nke ọma na nzute ọkọlọtọ mba.
Ọnụ ego nke HLM iron igwe ihe igwe kwụ ọtọ for iron tailings produced by HCMilling(Guilin Hongcheng) is the equipment for grinding iron tailings, which provides good equipment support for the technology of preparing building materials from iron tailings. It can process 80-600 mesh iron tailings with an output of 5-200t/h. If you have related equipment requirements, please contact mkt@hcmilling.com or call at +86-773-3568321, HCM will tailor for you the most suitable grinding mill program based on your needs, more details please check www.hcmilling.com.
Oge nzipu: Nov-03-2022