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Zaɓin ƙwayoyin kushe ya faru kafin kowa yanzu ya bayyana. Muhimmancin farko shi ne karanta gari: ƙananan yawa, silica mai fuskanci, da sau ya ƙare gari a cikin kankara. Wani tattaunawa na wajen da kuma tattaunawa na haɗin kai idan su ƙare wannan bayani zasu bude kofin da abubuwan kushe mai yawa ba su dace ba da kofin mai kyau na kofin. Gari yana canzawa sosai a cikin kushe, fuskanci, da shear sai dai kowanne ƙwayar kushe zai iya kuskure ga duk matakan
Yaya abubuwan gari su kawo zaɓin kushe
Ƙananan yawa na gari, jadde na Mohs da zawo na silica
Maws skala ta ranke minerals da 1 zuwa 10. Don zazza kuma aikin yin gurbi, bandin da ke amfani shine daga 3 zuwa 7: limestone ta karfi 3, granite ta karfi 6 zuwa 7. A cikin Maws 5, tsanani na liner plates da rotors ya zama mai yawa. Silica ta kara tsanani; wani abu da yawa na quartz a cikin 15 zuwa 20 percent silica ta kara tsanani na parts na gurbi da kara bayanan aiki. Ina amfani da alloys na liner da ke kula da tsanani a lokacin da silica shine yawa, zai kara tsanani da kara bayanan aiki, kuma zai kara bayanan aiki da suka fito daga bayanan da aka duba a quarry ba tare da assumptions.
Gurbi Na Aiki, Gaba Na Aiki, Da Rabi Na Karya
Tsawo na ƙaramin kuma tsawo na bayani na gaba mai ƙarfi ya zama ƙaramin ƙarfi. Jaw crusher ya samu tsawo ta hanyar vibrating feeder da ke cikin ƙaramin ƙarfi a cikin ƙaramin ƙarfi na 4:1 zuwa 6:1 a cikin ƙaramin ƙarfi na farko. Impact da hammer units suna so tsawo ta hanyar vibrating feeder da ke ƙasa da 600 mm amma suna iya samun ƙaramin ƙarfi na 10:1 zuwa 20:1 a cikin ƙaramin ƙarfi na abubuwa da ke ƙarfi. Tsammanin ƙaramin ƙarfi a cikin makin ƙaramin ƙarfi yana kare ƙaramin ƙarfi da kuma yana kare vibrating screen da conveyor belt na gaba. Ƙaramin ƙarfi mai ƙarfi a cikin wani ƙaramin yana nufin karamin makin amma yana nufin karamin ƙarfi per ton, don haka ƙaramin biyu yana iya kare ƙaramin ƙarfi da karamin ƙarfi na spare parts a cikin ƙaramin.
Jaw Crusher: Ƙaramin farko a cikin abubuwa da ke ƙarfi
Mantiqin ƙaramin ƙarfi da abubuwan da suka ƙarfi
A jaw crusher yana amfani da ƙaramin da aka kafa da ƙaramin da ke tsaya, wanda suka saukata aswan a cikin ƙaramin da ke ƙarfi na “V”-shaped. Wannan fahimtar saukata yana da alaƙa da aswan mai ƙarfi da ke ƙarfi, saboda alama ta saukata ta gudan, wanda ke rage kariya ta hanyar saukata, wanda ke rage kariya ta hanyar saukata. Karamin manganese suna kawo kariya. Don aswan mai ƙarfi sosai kamar granite ko basalt, ƙaramin mai ƙarfi da flywheel mai ƙarfi suna kawo kariya. Bayanan jaw suna ƙarfi, don haka impact ko cone crusher na biyu suna kawo bayani. Masu amfani da jaw crushing machinery suna da amana a cikin bayanin farko.
Inda Jaw Units Suna Kafa Tsarin Samun
Kullum masu samun aggregate suna kira masu amfani da crushing machinery ne kamar tsarin, kuma suka sanya jaw crusher ne kamar farko na saukata bayan vibrating feeder da hopper. Ya taka run-of-mine feed kuma ya ba abu na 100 zuwa 300 mm ga screening da matakan biyu. EPC teams suna so wannan tsarin: commissioning yana da kyau kuma spare parts suna da standardisation. OSHA da ANSI rules suna amfani a cikin feed opening, don haka guards da emergency stops suna da alaƙa da tsarin da ke da amfani.
Kurkure da Kofinai na Gaba Mai Tsoro Don Tsohon Mota
Rotar, Shafin Liner da Bayanin Na Kuba
Kurkuren gaba mai tsoro yana kawo rotar mai tsoro wanda ake sauya shi don fatawa mota akan shafin liner da karama. Yadda ake fatawa mota yana zama sabon sabuwar maimakon tsohon mota ta hanyar karama, wanda ke ba da bayanin na kuba da karama mai yawa. Wannan hukuma yana da kyau don limestone, granite mai rufe, da concrete da aka sanya musu kuma inda silica yana da karama. Saboda energy yana zuwa da karama ba da karama ba, kurkuren gaba mai tsoro yana samun karama mai yawa da yawa da karama na kofinai. Bayanin na kuba yana kara karama na kofinai a cikin asphalt da concrete, wanda ke kara binder value a gates na plant. Silica mai karama yana ba da kurkuren gaba mai tsoro karama don kara blow bars da karama don kara operating cost da karama.
Kurkuren Gaba Mai Tsoro Don Limestone
Mashin din ƙarfi na gurba ya zama mashin na gurba ta farko don kwayoyin kwayoyi, yana gurba na farko da biyu a cikin wani raya don kwayoyin kwayoyi da ke ƙasa daga Mohs 5. Kwayoyin kwayoyi na yau da kullum suka shiga cikin gurbin gurba kuma suka gurba da rotor mai tsayi; wani mashin zai iya sauya jaw da cone a cikin tashin kwayoyin kwayoyi na kwayoyin kwayoyi na kwayoyin kwayoyi. A Hunan Liuyang, a tashin kwayoyin kwayoyi da kwayoyin kwayoyi na 250 zuwa 350 TPH, wannan hanyar gurba na yanki ya rage adadin mashin da ya saukaka fahimtar gurba.
Mashinai na gurba na cone da kashe na amfani na haɗa
Gurba na biyu don abubuwa masu kari
A cikin ƙarfin ƙarfe na kari, cone crusher ya ƙare gurara a tsakanin mantle mai yanka da concave liner, wanda ya ba shi kuma ƙarfe mai zama mafi kyau da kari mai yawa bayan jaw. Yana fi kyau ga impact crusher inda blow bars zasu kusanta sosai. Cone yana amfani da secondary da tertiary duty a cikin granite, basalt, da abrasive ore, wanda ya jira da tight gradation da karamin operating cost a fihimtar kasa. Don hanyar tushen, kuma high-silica duty, cone da jaw suna kuma daga cikin abubuwan da suka dace sosai. Hydraulic setting adjustment ya ba cone damuwa don sanin kusantar linar da kuma karya size na bayani ba ta nema shugaban kofin, wanda ta kashe recirculation load da kuma ta kiyaye downstream gradation da throughput.
Sichuan Granite Line da amfani na bayani
Tsananin Sichuan Xichang da 250 zuwa 300 TPH na granite yana nuna hankali na zabi a amfani. Bayani: granite mai tsawo da yawa wanda ke cikin rukuni na Mohs 6 da silica mai yawa ya bukata primary wanda ba za a iya gudun karamin kusurta. Matsala: bayanin hammer mai yawa da yawa suna kara matsala na gudun karamin blow-bar a wannan abu da ke cikin rukuni. Amsa: kwallon ya sa KPC1313 double-chamber hard rock crusher wanda ya daga ZGC1250 vibrating feeder, da 3YKQ2470 vibrating screens don fuskantar. Tsarin: bayanan akwai 26 zuwa 31, 16 zuwa 26, 13 zuwa 16, 5 zuwa 13, da 1 zuwa 5 mm da tsayi mai tsakanin kwayoyin.
Zaɓi mai kyau ya faru da kula ta site da kula ta haɗa da tashin kira da kira wanda ke rubuta tsawon kwayoyin, silica, saizen na kwayoyin, da kira na kwayoyin da ke so. Kuji plates na liner, rotors, da blow bars don alloy grade da kira na iya canzawa kafin ku zaɓi. A lokacin kura, ku duba vibrating feeder, kura na crushing chamber, da kura na conveyor belt alignment a lokacin da suka ci gaba. ISO 9001 da NFPA dust-control guidance suna taimaka don kura mai kyau da karamin kusurta mai yawa da kura mai yawa.
Mashin na karya mai ƙarfi yana samun kudin shi kuma idan ake amfani da mashin da ke cikin haɗa da abu da ke gaba daya. Duba tsarin Mohs, zawo na silika, saiz na abu da ke cikin gaba, da nisba na karya zai ci gaban yadda za a zaɓi mashin da ke cikin haɗa da abu. Jaw crushers suna taka wajen karya na farko ga abubuwan da suka ƙara ƙarfi, kuma impact da hammer units suna taka wajen abubuwan da suka ƙara ƙarfi da ke cikin haɗa da karya, kuma cone crushers suna taka wajen karya na biyu ga abubuwan da suka ƙara ƙarfi da ke cikin haɗa da karya. Kada ka salla daga karya na gida kuma kada ka salla daga karya na kudin karya don hana kudin karya da kudin karya na gida.
Masu Sabon Gaskiya
Suyayi
Wane namba na crusher ke haɗa da granite mai ƙarfi da ke ƙasa da Mohs 6?
Amsa: Ga granite mai ƙarfi da ke ƙasa da Mohs 6 da ke cikin haɗa da silika mai ƙarfi, jaw crusher na farko da ke cikin haɗa da cone crusher zai ba da amsa mai ƙarfi. Jaw yana taka wajen abu da ke cikin haɗa da karya da ke cikin haɗa da karya, kuma cone yana taka wajen karya na biyu da ke cikin haɗa da karya ba tare da karya na blow bars. Impact crusher zai iya karya da abu da ke cikin haɗa da karya amma yana karya da abu da ke cikin haɗa da karya. Haɗa da plates na liner da alloy na rotor da ke cikin haɗa da karya, kuma duba gradation na vibrating screen kafin karya da production line.
Suyayi
Kamar yaya kuma abu na silica ya zama mai ƙarfi ga kudin amfani?
Amsa: Silica mai ƙarfi a cikin batu mai ƙarfi na quartz tana aiki kamar abu mai ƙarfi wanda ya gaba da plates na liner, blow bars, da rotors. A cikin ƙudin silica mai ƙarfi daga 15 zuwa 20 percent, kuma abubuwan da suka ƙare (wear-part) suna tace sosai, don haka kudin abubuwan da suka ƙare (spare parts) da kudin lokacin da ba a iya amfani ba (downtime) suna tace sosai, yanzu kuma idan kudin motor shine mafi kyau. Bayani na site (site survey) ya kamata ya tsaya kuma ya gabatar da kudin silica kafin za a zaɓi naman abu (machine type). Limestone mai ƙarfi na silica ta zama mai ƙarfi kamar yadda aka fahimci, amma granite mai ƙarfi na silica ta buƙata alloys mai ƙarfi na abrasion da amfani mai ƙarfi (tighter maintenance) kafin tonnage don kare kudin da aka sanya (return on investment).
Suyayi
Yaya a lissafi nisba na reduction (reduction ratio) ga crusher?
Amsa: Nisba na ƙarama shine ƙarama na kira ta gabata ta kira ta bayan, wanda ke nuna farko da karama na tushen kura. Kura mai tsayi a matsayin farko yana amfani da 4:1 zuwa 6:1, amma kura mai tsayi ko kura mai tsayi na gaba zai iya samun 10:1 zuwa 20:1 a cikin kura mai ƙarfi. Fasahar wannan nisba zai taimaka wajen kare kura mai tsayi daga yawan kura, kuma zai kare kura mai tsayi na gaba da kura mai tsayi na gaba.
Suyayi
Shin kura mai tsayi zai iya saita kura mai tsayi da kura mai tsayi na gaba?
Amsa: Don kwayar gurasa na tsakiya don ƙwayar gurasa na wani abu da ke cikin rukuni na biyu, a wani yanki mai tsakiya na gurasa na wani abu da ke cikin rukuni na biyu, ya iya saita gurasa na farko da biyu a wani yanki, kuma ya saita gurasa na jaw da cone a wani yanki mai tsakiya. Kwayar gurasa na Liuyang na Hunan ya amfani da wannan hanyar gurasa na wani yanki a 250 zuwa 350 TPH. Wannan yana da shari: abin da ke cikin gurasa, idan gurasa ko silica ya tashi, abin da ke cikin gurasa na blow-bar ya zuba da kuma yana taimaka. A saba ta hanyar gurasa na blow-bar kawai idan amfanin da ke cikin gurasa ya nuna cewa abin da ke cikin gurasa ya kashe kuma yana cikin bandin da ke cikin gurasa.
Suyayi
Wane irin ayyukan amfani da gurasa suka taimaka don kula da gurasa?
Amsa: Tsumani na ƙarfi na waje ya kamata ya faru ne da kuma a rubutu abubuwan da suka zama cikin gaba daya, kamar ƙarfi na kwayoyi, silica, saiz na bayani, da saiz na kwayoyin da aka so. A cikin lokacin da aka shiga maki, ku duba kwayoyin da suka zama cikin gaba daya, rotors, da blow bars don gano darajar alloy da design na iya canzawa. A lokacin da aka shiga maki, ku duba vibrating feeder, sashe na kwayoyin da suka zama cikin gaba daya, da tsari na conveyor belt a lokacin da aka shiga maki a cikin gaba daya. Ku tabbata abubuwan da suka zama cikin gaba daya ta hanyar tonnage da ku kira abubuwan da suka zama cikin gaba daya a waje. Sistemin ISO 9001 na kara kyau da alama na NFPA don kula da dust suna taimaka wajen samun kasuwanci mai kyau, mai yawa da karamin kudin amfani, da kuma wajen samun karamin kudin amfani.