Tashin kasa na gurbi don ƙarƙashin abinci

Me Ya Sa Kashe Ma'adinai Mataki Na Farko Ne Mai Muhimmanci

An tsara masana'antar murƙushe dutse da kyau don yin aiki a gaba. Rage girman da aka yi a cikin matakai na murkushewa yana tasiri kai tsaye yadda ingancin murkushewa, floatation, da kuma leaching circuits zasu iya sakin ma'adanai masu daraja daga dutsen mai masauki. Idan ba a sarrafa girman samfurin da aka murƙushe ba, duk sarkar sarrafa ma'adinai tana fama da yawan amfani da makamashi, rage dawo da shi, da kuma karuwar lalacewa.

Kashewa yana canza ma'adinai na ma'adinai daga duwatsu har zuwa mita a diamita zuwa cikin sarrafawa mai sarrafawa yawanci 100 zuwa 300 mm bayan murkushewa na farko kuma an rage shi zuwa 25 zuwa 30 mm bayan sakandare. Wannan mataki yana ƙara yawan yanki na ƙwayoyin cuta, yana nuna ƙarin ƙwayoyin ma'adinai don rarraba jiki ko sinadaran. A cikin niƙa, abinci mai kyau, rarraba rarraba yana rage yawan aikin mill: manyan ƙwayoyin suna buƙatar makamashi mai yawa kuma suna haifar da lalacewa, yayin da ƙananan ƙananan ƙwayoyin suna ƙara yawan ƙwayar slurry kuma suna rage yawan aiki.

Don kwarara, barbashi a waje da mafi kyawun kewayon sakin mai tsananin girma don iyo ko mai kyau don rarrabewa ta hanyar zaɓiƙananan inganci da dawo da su; over-grinding yana haifar da slime wanda ke cinye reagents kuma yana hana jingina kumfa. A cikin leaching, daidaito, girman ƙwayoyin ƙwayoyin yana tabbatar da shigar da bayani iri ɗaya kuma yana haɓaka ƙarancin ƙarfe. Saboda haka, murkushewa ya ƙayyade taga girman ƙwayar aiki don duk matakan da ke ƙasa. Idan mai murƙushewa ya ba da samfurin samfurin da aka yi niyya, da'irar ta zama mafi tsinkaye, kwanciyar hankali, da riba.

Kamar da yawa ya zama 10 zuwa 15% na kuma energy na comminution, amma yana kare 80% na kuma throughput na circuit. Units na gaba dayi suna kusantarwa da size da uniformity na crushed feed: output mai yawa yana nuna grinding circuit ya cire energy da lokaci mai yawa don samun final grind size, yana nufin mill capacity da yana saita specific energy consumption. A matsayin haka, optimizing crusher settings don samun product size mai tsakanin da optimal yana taimaka don karfi mill throughput ta 20% ko kari, a matsayin saita grinding energy intensity. A modern stone crusher plants, fine-tuning na closed-side setting, reduction ratio, da screening configuration yana nufin productivity mai yawa da operating cost mai gashi per ton—yana nufin crushing wani daga cikin mahaillonsin da ke taimaka don comminution efficiency gains.

Stone Crusher Plant Configuration: Matching Equipment to Ore Type

Kafin saita gurin kwayar watsa yana bukatar saitin daidai na kwayoyin gurin da dukkan bayanin watsa, hanyar shiga da sharuddan bayanin gurin na farko. Zazalin gurin na farko, biyu da uku suna iya zama tushen da tsayi na kwayoyin gurin, fuskantar kwayar watsa da karamin bayanin amfani.

Zazalin gurin na farko yana daga uku ayyukan: yawan watsa na farko, karamin watsa da karamin tashin clay. Tabili din a baya ta rubuta mabobin biyu na farko don watsa mai karami:

Don wani abu da ke cikin clay, jaw crushers da karamin kwayar ƙarfi suna iya gudun yadda ake taka, amma gyratory units suna iya gudun yadda ake taka da abubuwa da ke cikin kwayar ƙarfi da ke cikin clay—yana bukata inginiyar daidai don gudun yadda ake taka. Suka iya gudun yadda ake taka da abubuwa da ke cikin kwayar ƙarfi; abu da ke sauya shine karamin da ke bukatar su da karamin da ke bukatar su.

Masu murƙushe ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙw Ƙarfin su, mai kyau mai kyau yana tallafawa aikin sarrafawa ko kai tsaye. Don mafi girman girman da kuma ƙarancin makamashi, ana amfani da Rolls Grinding Rolls (HPGRs). HPGRs suna matse wani gado na ma'adinai tsakanin juyawa na juyawa, samar da ƙananan ƙananan da ke inganta sakin ma'adinai ba tare da samar da ƙananan ƙananan ba. Wannan tsari yana rage ƙarfin aikin sarrafawa har zuwa 30% kuma yana ba da damar daidaitawa daidai har zuwa 3 zuwa 5 mm. Haɗa ƙwanƙwasa ƙwanƙwasa a sama da HPGR yana haɗuwa da babban aiki tare da mafi kyawun 'yanciinganta cikakken tsarin murƙushewa.

Yadda za a Tsara Tsarin Ma'adinan Fitar da Dutse Mai Kyau

Kudin kari ne ya zama tare da haɗin gaba daya na ƙwayar shiga da ƙwayar bayanin ƙofin shiga. Idan ba su dace ba, zai zama da ayyukan da suka ƙara shigarwa ga abubuwan da suka fi ƙwayar bayanin ƙofin shiga, wanda ke ƙara amfani da kwambo da yana kara kari na bayanan ƙofin shiga. Haɗin waɗannan abubuwan da suka gabata zai kara ƙofin shiga ya yi a cikin ƙwayar bayanin ƙofin shiga ta hanyar ƙara shigarwa ko ta hanyar ƙara ƙofin shiga. Kuma haɗin abubuwan da suka gabata na shigarwa ke da muhimmanci: shigarwa mai tsayi da tsayi na ƙofin shiga zai kara ƙwayar bayanin ƙofin shiga da kwambo mai tsayi da tsayi, amma idan shigarwa ta hanyar karama ta ƙara shigarwa zai kara ƙara ƙofin shiga da kuma zai kara ƙara ƙofin shiga. Shigarwa mai tsayi da tsayi—da ayyukan da suka gabata na ƙwayar bayanin abubuwa—ke da muhimmanci. Abubuwan da suka fi ƙwayar bayanin ƙofin shiga da suka fi ƙwayar bayanin ƙofin shiga zai kara ƙwayar bayanin ƙofin shiga da suka fi ƙwayar bayanin ƙofin shiga, wanda ke bukatar ƙara ƙofin shiga da kuma ƙara ƙofin shiga. Wannan haɗin abubuwan da suka gabata zai kara ƙwayar bayanin ƙofin shiga da 10 zuwa 15% ba tare da amfani da kwambo.

Gyara mai murƙushewa yana daidaita duka samfurin samfurin da farashin aiki. Ƙananan saitin gefen rufewa yana samar da samfurin mafi kyau amma yana rage ƙarfin kuma yana hanzarta lalacewar layin saboda ƙara matsawa da kuma zaman lokaci a cikin ɗakin. Saitin buɗe-gefe yana sarrafa girman fitarwa mafi girma: faɗaɗa shi yana haɓaka ƙimar aiki a kan asarar fitarwa mai ƙima. Fitar da ƙwarewa yana shafar yawan bugun jini da ƙarfin murƙushewaƙarin jefawa yana inganta raguwa a cikin dutse mai wuya amma yana ƙaruwa da ƙarfin ƙarfin da ƙarfin inji. Kowane murƙushe yana da iyakar rage ragewa yawanci 4: 1 a kowane mataki bayan da sake zagayowar ya tashi kuma lalacewa akan mantles da concaves ya kara. Rayuwar layin ta dogara kai tsaye da saitunan aiki, abrasiveness na ma'adinai, da kuma yanayin ɗakin. Dole ne masu aiki su daidaita waɗannan masu canji don tsawaita jinkirin kiyayewa yayin da suke biyan manufofin girman, suna fahimtar cewa karuwar yawan adadin yawan kuɗi sau da yawa yana ƙara yawan farashi a kowace ton ta hanyar rage rayuwar kayan aiki da kuma lokacin da ba a shirya ba.

Masu Sabon Gaskiya

Menene babban manufar murƙushe ma'adinai a cikin murƙushewa?

Dalilin shine rage manyan duwatsu zuwa ƙananan ƙananan da suka dace da sarrafawa kamar su grinding, floating, da leaching. Wannan mataki yana ƙayyade inganci da ingancin dukkanin sarkar sarrafa ma'adinai.

Ta yaya inganta tsarin murƙushewa zai inganta ingancin makamashi?

Daidaitaccen sarrafa saitunan murƙushewa da samar da madaidaicin girman manufa na iya rage buƙatun makamashi a cikin niƙa da haɓaka ƙimar gaba ɗaya da 20% ko fiye.

Waɗanne abubuwa ne ke shafar zaɓin babban murƙushewa?

Babban abubuwan la'akari sun haɗa da iyakar girman abinci, taurin dutse, da kasancewar kayan manne kamar yumbu, wanda ke shafar dacewa da jaws ko giratory crushers.

Me yasa ake amfani da HPGRs a matakai na biyu da na uku na murkushewa?

HPGRs suna da amfani da makamashi kuma suna haifar da ƙananan ƙananan da ke inganta sakin ma'adinai don ƙananan ƙananan ƙananan ƙananan, inganta haɓaka sarrafawa.

Yaya ake fassara daga cikin ƙarfin kuma yadda ya zama mai tsayi a cikin gurbi na kwalla?

Kwalla mai tsayi ta hana damar samun kudin kudin daidai, ta rage kwalla, kuma ta bincika kwalla wanda ke haifar da kwalla, ta hana damar samun kudin kudin daidai kuma ta rage kudin kudin daidai.