Summary: A matsayin babban kayan aiki, ingancin tacewar allon bugun zai yi tasiri kai tsaye ga ingancin samfurin ƙarshe da kuɗin zuba jari....
Da dama daga cikin masu hakar ma'adinai suna fuskantar matsaloli kamar su fuskar tari kasa samun damar aiki da kashin kai ko ƙananan ingancin tacewa a lokacin samarwa. A matsayin muhimmin kayan aiki, ingancin tacewar allon motsa ƙarfi za ta shafi ingancin samfuri da ƙimar zuba jari kai tsaye.
Gabaɗaya, ingancin binciken allon rawa yana da alaƙa da abubuwa da dama kamar yanayin abu, tsarin na'ura da kuma sigogin aiki daban-daban. Baya ga buƙatun asali na zaɓar allon rawa (yanayin abu da tsarin na'ura), yau muna nazari fiye da sigogin aiki guda 5 masu mahimmanci waɗanda ke da alaƙa da ingancin allon rawa: waɗannan sun haɗa da ɗaukaka, saurin ƙaraɗe, kusurwar jagorancin rawar jiki, kusurwar lanƙwasa fuskantar allo da kusurwar haske.
Amplitud ɗin allo mai juyawa
A gabaɗaya, ƙarin girman allo mai rawa, mafi girma amfanin siginar da aka zaba. Hakan na nufin ƙananan ƙwaƙwalwar allo tana ƙara yiwuwa a cika ƙwanyar allo, wanda ke taimakawa wajen ware dutse da kyau da kuma samun ƙarin ƙarfin tacewa mafi kyau. Amma dole ne a lura cewa idan siginar allo mai rawa ta yi ƙarfi sosai, karfi mai ƙarfi na iya jawo lalacewa na kayan aikin kansa.
Yawan juyawa na allo yana ƙayyade ta hanyar ƙwayoyin da hali na ore. Misali, lokacin da ƙwayoyin ore ke ƙarami da danshi tare da wasu ƙarfin juriya, muna buƙatar amfani da allo mai juyawa tare da ƙaramin sauri da kuma yawan amplitud mai girma.
Har ila yau, ya kamata a yarda da ƙarfin girma da tsawon lokaci masu dacewa da matakan tacewa daban-daban. Misali, aikin tacewa kafin zaɓe yawanci yana amfani da kayan girgiza mai ƙananan ƙarfi da girma mai yawa, kuma ana amfani da na'urar tace mai girma mai ƙarfi mai ƙanana a aikin cire ruwa da kuma cire ƙazanta.
Yawan juyawa
Yawan juyawa yana da tasiri kai tsaye kan halin fita na ƙwayoyin ore a kan allo. Yawan juyawa da ya yi yawa ko kuma ƙasa ba ya amfanar da ingancin tacewa. Bincike ya nuna cewa ba tare da la’akari da irin tacewa da ake yi a kan allo mai juyawa ba, yana zama mafi kyau don yawan juyawa ya kasance tsakanin 850 -1000 a dakika.
Idan aka yi la’akari da karfin juyawa ɗaya, idan saurin allo mai juyawa ya yi ƙasa, nauyin bluok mai juyawa zai ƙaru, wanda ba shi da araha. A gefe guda, yawan sauri mafi girma na iya shafar saurin ore sosai; wannan zai rage karfin aiki.
Saboda haka, ba za a iya daidaita mitar rawar jiki da yadda ya dace ba. Domin sanya allon rawar jiki ya cimma burinsa na aiki mai kyau, masu amfani su daidaita mitar rawar jikin gwargwadon yanayin da yake ciki.
角ina na juyin fuskantarwa na allo
Dadin kusurwar shimfidar fuskar allo na nuni da kusurwa tsakanin fuskar allo da flat ɗin kwance, girman kusurwar yana da alaƙa da ƙarfin sarrafa allo mai rawa da ingancin tacewa. Lokacin da ƙara kusurwar shimfidar fuskar allo, saurin motsin ƙwayoyin ma'adinai a kan fuskar allo zai fi girma, kuma ƙarfin sarrafawa zai ƙaru, amma a lokaci guda, ƙwayoyin ma'adinai za su yi zama a kan fuskar allo na ɗanƙwarewa mafi ƙaranci, wanda hakan zai shafi ingancin tacewa, da kuma akasin haka.
Anguwar juyawa
Dakin daidaita kusurwar motsin jijjiga yana nuni da kusurwar da ke tsakanin hanyar motsin fuska da tsarin fuska. Lokacin da masu amfani suka yanke shawarar daidaita dakin daidaita kusurwar motsin jijjiga, ya kamata su fara duba halin ma'adinai da ake tacewa. Ga ma'adinai masu girman siriri mai nauyi sosai ko masu jinkirin karya, ya kamata a yi amfani da fuskar tacewa mai kusurwar motsin jijjiga mai girma. Ga ma'adinai masu yawan ruwa, ƙarfi mai ƙarfi ko jure wura, ya kamata a daidaita kusurwar motsin jijjiga zuwa kan ƙanƙanƙan ƙwaƙwalwa.
In actual production, most linear fuskar taris adopt vibration direction angles of 30°, 45° and 60°. That‘s because this kind of angle can not only adapt to various screening performance, but also obtain the best moving speed and screening efficiency.
Matsayin lanƙwasa na allon gira na motsa hankali
A cewar ƙa'idar da kuma aikin tantancewa, girma da ƙarfi na kusurwa na filin fita na allo mai rawa na da tasiri kai tsaye a kan tantanin ma'adinai. Lokacin da ƙarfin fitar da ma'adinai ya ƙaru, ƙarfin inertia ma yana ƙaruwa; don haka za a iya jefar da ma'adinai mafi girma, wanda ya fi dacewa wajen sarrafa ma'adinai. Duk da haka, ƙara ƙarfin fitarwa ya fi ƙuntatawa zai shafi akwatin allo, yana haifar da lalacewar wuri da wuri. Don haka, masu amfani ya kamata suyi la'akari da ƙarfi na tsarin akwatin allo mai rawa domin tantance kusurwar watsawa.
Ba zai yiwuwa a kaucewa samun wasu bambance-bambance tsakanin nau'ikan allon rawar basira daban-daban a cikin aikin sarrafawa na gaskiya ba. Saboda haka, muna ba da shawara cewa kowane mai ma'adinai ya kamata ya nemi masana'anta kayan aiki masu cikakken cancanta don siyan allon rawar da ya dace, kuma ya ƙayyade ƙimomin sigogi bisa ga yanayi na ainihi, domin tabbatar da samun ingancin tacewa mai kyau na allon rawar.
Samun Magani
Aika Sako