Babban sharar gida na masana'antu na kasar Sin sune yafi wutsiya, ash gardama, gangu na kwal, smelting slag, kwal-harba slag da desulfurization gypsum.Shirye-shiryen kayan gini daga sharar gida mai ƙarfi ya jawo hankali sosai.Masu binciken sun inganta ƙimar amfani da ƙaƙƙarfan sharar gida a cikin masana'antar kayan gini ta hanyar haɓakawa da bincike da haɓaka kayan aiki da fasaha.A sa'i daya kuma, kasashe daban-daban sun fitar da dokoki da ka'idoji na tallafawa don kara kaimi ga kamfanoni wajen yin amfani da gurbataccen shara, ta yadda za a inganta tasirin dattin masana'antu kan muhalli zuwa wani matsayi.Kamar yadda masana'anta na ƙarfe tailings niƙa niƙa, mubaƙin ƙarfe wutsiyoyi a tsaye abin nadi niƙa An yadu amfani da baƙin ƙarfe wutsiya yashi nika ginin kayan m amfani aikin.HCMilling (Guilin Hongcheng) zai gabatar da fasahar shirya kayan gini daga wutsiyar ƙarfe.

1. Calcined siminti clinker

Wutsiyar ƙarfe tana da wadataccen sinadari na ƙarfe, wanda zai iya maye gurbin foda baƙin ƙarfe a matsayin albarkatun ƙasa don samar da clinker siminti.Kona clinker siminti tare da farar ƙasa, yashi ma'adini da baƙin ƙarfe tailings a matsayin albarkatun kasa na iya rage yawan zafin jiki da farashin siminti yadda ya kamata, amma adadin hadawa yana da iyaka, kuma yawan haɗuwa da yawa zai rage ƙarfin siminti.A halin yanzu, adadin wutsiyar baƙin ƙarfe da ake amfani da shi don ƙididdige simintin siminti kusan kashi 15%.Yana da gaggawa don haɓaka sababbin kayan aiki da sababbin fasaha don inganta yawan wutsiya na ƙarfe da kuma tabbatar da ingancin kayan siminti.

2. Kankare tara

Babban taurin wutsiya na baƙin ƙarfe ya fito ne daga lokacin ma'adini na ciki, wanda girman barbashi yana kusa da wani yashi na kogin na halitta da yashi da aka kera, kuma ana iya haɗa shi cikin kankare a matsayin tara.A kankare da 28d ƙarfi na game da 40MPa za a iya shirya ta yin amfani da baƙin ƙarfe wutsiya tare da barbashi size kasa da 1mm don maye gurbin halitta kogin yashi a matsayin lafiya tara.Dangane da ingantawa na jimlar grading, hadadden yin amfani da wutsiya na ƙarfe da yashi da aka yi da injin a matsayin tarawa ba zai iya biyan buƙatun kankare don kayan kawai ba, amma kuma yana da kwanciyar hankali fiye da na wutsiya na ƙarfe da yashi na kogin na halitta, wanda ya fi girma. m ga kula da kankare ingancin.Dangane da tsarin samun fa'ida na yanzu, don haɓaka ƙimar dawo da ƙarfe, ƙwayoyin wutsiya na ƙarfe suna daɗa kyau kuma suna da kyau, wanda ke da wahala a iya cika ma'auni na ƙayyadaddun jimla da amfani da kankare na yau da kullun.

3. Kankare ma'adinai admixture

Ma'adinai admixtures sun fi hada da amorphous siliceous, calcareous da aluminum kayan, wanda taka muhimmiyar rawa wajen inganta compactness, impermeability da karko na kankare.Za su iya rage yawan amfani da siminti kuma su rage zafi na ruwa a lokaci guda.Sabili da haka, yana da mahimmanci a samo sababbin abubuwan haɗin ma'adinai don ci gaba mai dorewa na masana'antar siminti.Babban ma'adinan ma'adinai a cikin wutsiyar ƙarfe yawanci ma'adini ne, wanda ba shi da ɗan aikin pozzolanic a cikin yanayin yanayi.Yadda za a inganta "ayyukan pozzolanic" na wutsiya na ƙarfe ya zama babban batu na masu bincike na yanzu.A matsayin daya daga cikin hanyoyin da aka fi amfani da su don kunna wutsiya na ƙarfe, niƙa na inji na iya rage ƙarfin kunna wutsiya na ƙarfe da samar da ƙarin lahani da nakasar filastik.Binciken ya nuna cewa niƙa na inji na iya ƙarfafa ayyukan pozzolanic na nau'ikan ma'adinai na yau da kullun a cikin wutsiyar ƙarfe.Yayin da girman barbashi na ma'adinan ƙasa na injiniya ya ragu, ma'adini na iya amsawa tare da Ca (OH) 2 a cikin siminti slurry don samar da amorphous hydrated calcium silicate gel da ettringite crystal da sauran samfuran hydration.Binciken ya nuna cewa lokacin da injin niƙa ya wuce 40min, ƙwaƙƙwaran kusurwar wutsiya na ƙarfe yana raguwa a fili, ana nuna ƙananan ƙwayoyin cuta, kuma ana inganta daidaito a hankali.A cikin anhydrite baƙin ƙarfe tailing calcium oxide tsarin, da siliceous baƙin ƙarfe tailing na inji nika za a iya gauraye da 30% shirya 32.5 ciminti.A ƙarƙashin yanayin ƙarancin ɗaurin ruwa, ƙarancin ƙarfe mai kyau foda zai iya haɓaka farkon hydration na man siminti mai haɗaka, sanya tsarin pore na turmi ya zama ƙarami, da haɓaka ƙarfin farkon.Haɓakawa na takamaiman yanki na wutsiya na ƙarfe ba shi da wani tasiri mai tasiri akan inganta ƙididdigar ayyukansa;Canjin zafin warkewa na iya ƙara ƙimar aiki sosai a matakin farko (7d), amma yana da ɗan tasiri akan fihirisar ayyuka a ƙarshen matakin (28d).Domin baƙin ƙarfe tailings slag hada tsarin, da ayyuka index za a iya inganta ta inganta nika inji, don haka inganta karko na kankare.A m amfani da ruwa rage wakili na iya ƙara abun ciki na baƙin ƙarfe tailings a cikin talakawa kankare daga 30% zuwa 40%.Ƙarfin wutsiya na ƙarfe na iya inganta aikin niƙa ta hanyar tasirinsa, don haka yana ƙarfafa aikin pozzolanic na wutsiya na ƙarfe.Ta hanyar inganta rabon wutsiya na ƙarfe, slag, clinker da gypsum hada kayan siminti, za a iya shirya siminti mai girman gaske tare da cika ma'aunin ƙasa.

HLM irin wutsiya abin nadi a tsaye 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.