Manyan sharar masana'antu na kasar Sin galibi sune wutsiya, tokar kwari, ganga na kwal, slag na narkewa, slag na kwal da kuma gypsum na desulfurization. Shirya kayan gini daga sharar datti ya jawo hankali sosai. Masu binciken sun inganta cikakken yawan amfani da sharar datti a masana'antar kayan gini ta hanyar ingantawa da bincike da haɓaka kayan aiki da fasaha. A lokaci guda, kasashe daban-daban sun fitar da dokoki da ƙa'idoji masu goyan baya don ƙarfafa sha'awar kamfanoni don amfani da sharar datti, don haka inganta tasirin sharar datti na masana'antu ga muhalli zuwa wani mataki. A matsayinmu na masana'antar niƙa ta ƙarfe, muƙarfe tailings tsaye nadi niƙa An yi amfani da shi sosai a cikin cikakken aikin amfani da kayan gini na ƙarfe na niƙa yashi. HCMilling (Guilin Hongcheng) za ta gabatar da fasahar shirya kayan gini daga wutsiyar ƙarfe.

1. Clinker ɗin siminti mai ƙamshi

Tailing na ƙarfe yana da wadataccen sinadarin ƙarfe, wanda zai iya maye gurbin foda na ƙarfe a matsayin kayan da ake amfani da su wajen samar da clinker na siminti. Kona clinker na siminti da dutse mai laushi, yashi mai siffar quartz da tailings na ƙarfe a matsayin kayan da ake amfani da su zai iya rage zafin calcination da farashin siminti yadda ya kamata, amma adadin haɗawar yana da iyaka, kuma yawan haɗawar zai rage ƙarfin siminti sosai. A halin yanzu, adadin tailings na ƙarfe da ake amfani da su don calcining clinker na siminti kusan kashi 15% ne kawai. Yana da matuƙar muhimmanci a haɓaka sabbin kayan aiki da sabbin fasahohi don inganta adadin tailings na ƙarfe da kuma tabbatar da ingancin kayayyakin siminti.

2. Tarin siminti

Babban taurin wutsiyar ƙarfe ya samo asali ne daga yanayin quartz na ciki, wanda girman barbashi yake kusa da wani yashi na kogin halitta da yashi da aka ƙera, kuma ana iya haɗa shi da siminti a matsayin tarawa. Siminti mai ƙarfin d 28 na kimanin 40MPa za a iya shirya shi ta amfani da wutsiyar ƙarfe mai girman barbashi ƙasa da 1mm don maye gurbin yashi na kogin halitta a matsayin tarawa mai laushi. Dangane da inganta daidaiton tarin, amfani da wutsiyar ƙarfe da yashi da aka yi da injina a matsayin tarawa ba wai kawai zai iya biyan buƙatun siminti don kayan aiki ba, har ma yana da kwanciyar hankali mafi kyau fiye da wutsiyar ƙarfe da yashi na kogin halitta, wanda ya fi dacewa da sarrafa ingancin siminti. Dangane da tsarin beneficiation na yanzu, don inganta ƙimar dawo da ƙarfe, ƙwayoyin wutsiyar ƙarfe suna ƙara ƙanƙanta, wanda ke da wuya a cika mizanin tarin mai kauri kuma a shafa su ga siminti na yau da kullun.

3. Hadin ma'adinai na siminti

Haɗin ma'adanai galibi sun ƙunshi kayan amorphous siliceous, calcareous da aluminum, waɗanda ke taka muhimmiyar rawa wajen inganta ƙanƙantar siminti, rashin shiga ruwa da kuma dorewar siminti. Suna iya rage yawan amfani da siminti da kuma rage zafin ruwa a lokaci guda. Saboda haka, yana da mahimmanci a sami sabbin haɗin ma'adinai don ci gaba mai ɗorewa na masana'antar siminti. Babban matakin ma'adinai a cikin haɗin ƙarfe yawanci shine quartz, wanda ba shi da aikin pozzolanic a yanayin halitta. Yadda ake inganta "aikin pozzolanic" na haɗin ƙarfe ya zama babban batun masu bincike na yanzu. A matsayin ɗaya daga cikin hanyoyin da aka fi amfani da su don kunna haɗin ƙarfe, niƙa na injiniya na iya rage kuzarin kunnawa na haɗin ƙarfe da kuma haifar da ƙarin lahani na raga da nakasa ta filastik. Binciken ya nuna cewa niƙa na injiniya na iya ƙarfafa aikin pozzolanic na matakan ma'adinai na yau da kullun a cikin haɗin ƙarfe. Yayin da girman barbashi na ma'adanai da aka niƙa ta injiniya ke raguwa, quartz na iya amsawa tare da Ca (OH) 2 a cikin siminti slurry don samar da gel na calcium silicate mai amorphous hydrated da crystal ettringite da sauran samfuran hydration. Binciken ya nuna cewa lokacin da niƙa na inji ya wuce minti 40, kusurwar kaifi na wutsiyoyin ƙarfe a bayyane take raguwa, ana nuna ƙananan ƙwayoyin cuta, kuma ana inganta daidaiton a hankali. A cikin tsarin sinadarin calcium oxide na wutsiyoyin ƙarfe na anhydrite, za a iya haɗa wutsiyoyin ƙarfe na siliceous na niƙa na inji da kashi 30% don shirya siminti 32.5. A ƙarƙashin yanayin ƙarancin rabon manne ruwa, foda wutsiyoyin ƙarfe mai kyau na iya haɓaka danshi na farko na manna siminti mai haɗawa, yana sa tsarin rami na turmi ya fi ƙanƙanta, da kuma inganta ƙarfin farko. Ƙarar takamaiman yanki na wutsiyoyin ƙarfe ba shi da wani tasiri a bayyane akan inganta ma'aunin aikinsa; Canjin zafin jiki mai warkarwa na iya ƙara ma'aunin aiki sosai a matakin farko (7d), amma ba shi da tasiri sosai akan ma'aunin aiki a matakin ƙarshe (28d). Ga tsarin haɗaɗɗen wutsiyoyin ƙarfe na wutsiyoyin ƙarfe, ana iya inganta ma'aunin aiki ta hanyar inganta tsarin niƙa, don haka inganta dorewar siminti. Amfani da wakili mai rage ruwa mai kyau na iya ƙara yawan wutsiyoyin ƙarfe a cikin siminti na yau da kullun daga kashi 30% zuwa 40%. Niƙa tayoyin ƙarfe na iya inganta ingancin niƙa ta hanyar tasirinsa, don haka yana ƙarfafa aikin pozzolanic na tayoyin ƙarfe. Ta hanyar inganta rabon kayan ƙarfe na tayoyin ƙarfe, slag, clinker da gypsum composite siminti, za a iya shirya siminti mai matuƙar aiki tare da aiki mai kyau wanda ya cika ƙa'idar ƙasa.

Hawan ƙarfe na HLM injin niƙa na 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.