Saboda yawan haƙar ma'adanai na ƙarfe mai ƙarfi a ƙasata, ƙarancin albarkatunta yana ƙara ƙaranci. Saboda haka, buƙatun kayan aikin sarrafa ma'adinai suna ƙaruwa, musamman cikakken amfani da wutsiya yana da alaƙa kai tsaye da dorewar albarkatun ƙasata. Tambayar ita ce yadda za a aiwatar da manufofin kiyaye makamashi, rage amfani da shi, da rage hayaki da gwamnati ta gabatar, kiyaye amfani da albarkatu na dogon lokaci, da kuma ƙara darajar albarkatu ya zama muhimmin batu da masana'antar haƙar ma'adinai ke fuskanta.
A halin yanzu, filin jirgin sama na dawo da wutsiya da ake amfani da shi wajen raba wutsiya na ƙarfe mai ƙarfe a ƙasata ya kai kimanin 1600G, kuma yana da wuya a dawo da ma'adanai masu rauni a wutsiya. Saboda wannan dalili, akwai buƙatar gaggawa a samar da kayan aikin beneficiation mai ƙarfi da kuma ikon rage yawan ƙarfe na wutsiya don haɓaka amfani da albarkatun ma'adinai a yanzu a ƙasata.
Kamfanin Shandong Huate Magnetoelectric Technology Co., Ltd. ya himmatu wajen binciken kayan aikin dawo da na'urorin magnetite na rabuwar maganadisu tun daga shekarar 2005. A halin yanzu, ana samar da adadi mai yawa na ferrites a matsayin injinan dawo da na'urorin magnet, kuma an samar da jerin abubuwa uku. Kayayyaki masu takamaiman bayanai da yawa sun zama babban kayan aikin dawo da na'urorin teilings. Domin ƙara yawan dawo da na'urorin dawo da na'urorin teilings, bayan cikakken bincike, gwaje-gwajen gwaji da bincike, amfani da kayan magnetic na neodymium iron boron da hanyar sauke na'urorin a yankin da ba na magnet ba sun ƙara inganta saurin dawo da na'urorin, kuma sauke na'urorin yana da sauƙi, wanda zai iya biyan buƙatun amfani.
Tsarin da kuma ka'idar aiki na ƙarfin tsakiyar filin Semi-magnetic mai sauke nauyin kai na wutsiya
Injin dawo da bututun mai ƙarfi na tsakiya mai ƙarfi yana amfani da boron ƙarfe neodymium a matsayin kayan maganadisu. Sararin rabuwa yana da matsakaicin yankin maganadisu da kuma yankin maganadisu mai rauni. Sandunan maganadisu suna samar da tsarin maganadisu mai zagaye-zagaye. Ana samar da akwati mai juyawa a wajen tsarin maganadisu. , Tsarin maganadisu yana dawwama, wani ɓangare na harsashi yana nutsewa cikin ɓangaren, kuma barbashin maganadisu a cikin ɓangaren litattafan suna ci gaba da sha ta hanyar hanyar juyawa mai ci gaba. Barbashin maganadisu suna ci gaba da faɗuwa tare da juyawar akwatin, don haka kayan da ba su da maganadisu a cikin kayan maganadisu ana ci gaba da wanke su. Sashen dama na sama na tsarin maganadisu na rabin-annular ba shi da filin maganadisu. Lokacin da kayan maganadisu suka shiga yankin da ba shi da maganadisu, ƙarƙashin aikin ruwan wankewa da nauyin kayan, sauke kayan a cikin tankin tattarawa.
Injin dawo da wutsiyar tsakiya mai ƙarfin rabin-magnetic mai ɗaukar nauyin kansa tsarin haɗakar faifan diski ne, kuma ana iya tantance adadin faifan maganadisu bisa ga buƙatun ƙarfin sarrafawa. Tsarinsa an nuna shi a Hoto na 1, 2, da 3. 1- firam; 2- tankin slurry; 3- tsarin daidaitawa na faifai; 4- shaft na tsakiya; 5- deflector; tire mai tattarawa 6; 7- toshe mai tayar da hankali; 8- bututun shara; 9- magudanar riƙewa; 10 - Mai ragewa; 11-mota; 12- yankin maganadisu mai ƙarfi; 13- yankin maganadisu mai rauni; 14- faifai mai gyarawa; 15- yankin da ba na maganadisu ba.
An yi firam ɗin ne da ƙarfe mai walda kuma galibi ana amfani da shi don tallafawa tsakiyar shaft, shigar da tsarin watsawa da kuma shigar da tankin slurry.
Faifan maganadisu tsari ne na semi-magnetic, kuma an sanya faifan tattarawa a waje, an haɗa farantin maganadisu tsakanin ƙarfe mai lanƙwasa mai layuka biyu, kuma an nutsar da ɓangaren ƙasan faifan tattarawa a cikin tankin slurry 2.
An samar da faifan maganadisu tare da filin maganadisu na tsakiya, filin maganadisu mai rauni da kuma yanki mara maganadisu, kuma an daidaita shi akan tsakiyar axis.
An tanadar da ƙarshen tukunyar tattarawa da faranti masu jagora da yawa waɗanda aka rarraba a siffar haske, kuma an tanadar da tubalan motsa jiki da yawa a gefen waje.
A halin yanzu, wasu masu tattara bayanai a ƙasata suna amfani da injinan dawo da diski mai ƙarfi na matsakaicin filin, amma saboda mummunan tasirin desliming, kayan maganadisu zasu shanye lokacin da kayan maganadisu suka shiga yankin da ba na maganadisu ba daga matsakaicin filin maganadisu, kuma faifai da scraper suna lalacewa da sauri. , Dangane da wasu ƙuntatawa da ake amfani da su.
Ganin yanayin da ke sama, kamfaninmu ya ɗauki faifan tsakiya mai ƙarfin rabin-annular tare da tsarin neodymium-iron-boron da aka rufe gaba ɗaya don a gyara shi a kan tsakiyar axis, kuma an gyara tsakiyar axis ɗin ba tare da juyawa ba. Kaskon tattarawa mai juyawa, ana nutsar da ƙasan kaskon tattarawa a cikin ramin kwararar slurry don shanye kayan maganadisu. Ana amfani da injin da mai ragewa don tuƙa tiren tattarawa don juyawa, kuma kayan maganadisu masu shaye-shaye suna ratsa tsakiyar filin maganadisu da filin maganadisu mai rauni, sannan suna fitarwa bayan sun isa filin da ba na maganadisu ba, wanda ke magance matsalolin da ke sama.
Ana shirya magudanar ruwa tsakanin kowace tukunyar tattarawa, kuma ana wanke kayan maganadisu da ke kan tukunyar tattarawa sannan su fito tare da magudanar ruwa.
Tsarin watsawa ya ƙunshi injin juyawar mita, na'urar rage gudu, haɗin kai, hannun riga na watsawa, da sauransu. An sanya sassan da aka ambata a sama a kan sandar tsakiya da firam ɗin don cimma ci gaba da juyawar tiren tattarawa.
Kabad ɗin sarrafawa yana da inverters, makullan sarrafawa da sauran abubuwan da ke cikinsa don sarrafa saurin juyawa na faifan maganadisu a kowane lokaci.
Magnet ɗin da ke dindindin a yankin maganadisu ya ƙunshi yanki ɗaya ko guntu da yawa a cikin alkiblar kauri, kuma ana haɗa igiyar diski mai tsayayye a tsakiya. Yankin maganadisu yana ɗaukar nau'ikan sandunan maganadisu da yawa tare da polarities masu akasin haka don a shirya su a madadin juna. A lokacin ci gaba da juyawa na tukunyar tattarawa, kayan maganadisu suna ta faɗuwa a cikin tukunyar tattarawa da kuma cikin ruwa don wankewa da cire laka, don haka kayan maganadisu da aka dawo da su an haɗa su da wutsiyoyin yau da kullun. Idan aka kwatanta da injin sake amfani da su, tsarkin ya fi girma kuma tasirin sake amfani da su ya fi kyau.
An sanya wani yanki mai rauni na maganadisu tsakanin filin maganadisu da yankin da ba na maganadisu ba a cikin faifai. Lokacin da kayan maganadisu suka shiga yankin da ba na maganadisu ba, saboda raunin yankin sauyawar filin maganadisu da kuma yankin sha na filin maganadisu mai rauni a hankali yana raguwa, yanayin ƙaura ta baya na kayan maganadisu yana raguwa sosai. Bawul ɗin da ke kan tire ɗin kayan kuma yana hana motsi na baya na kayan maganadisu da zubewar kayan, kuma yana iya sa kayan maganadisu su yi ƙasa a hankali. Saboda aikin nauyi da ruwan wankewa, ana samun sauƙin sauke kayan cikin sauri.
Tiren tattarawa tsari ne mai zurfi kuma cikakke a rufe, kuma saman da ake amfani da shi wajen ɗaukar kayan maganadisu yana ƙunshe da kayan da ba na maganadisu ba. A kan tiren tattarawa, farantin jagora yana da haƙarƙari a waje, wanda ke karkata a wani kusurwa tare da ƙarshen tiren tattarawa. Babban manufar shine hana maganadisu. Motsin kayan baya da zubewar kayan. Domin rage yawan zubewar ma'adinai, an shirya tubalan motsa jiki da yawa don motsa su a kusa da kwanon tattarawa, kuma a lokaci guda, gogewar farantin tattarawa saboda yawan zubewar ma'adinai shima yana raguwa.
Aikace-aikacen samar da masana'antu
Binciken tasirin murmurewa na na'urar dawo da wutsiya mai ɗaukar nauyin kai ta hanyar amfani da ƙarfin tsakiya mai amfani da ƙarfin maganadisu.
An sanya wata na'urar dawo da wutsiya mai ƙarfin matsakaiciyar filin ƙarfe mai ƙarfin maganaɗisu mai siffar YCBW-15-8 da kamfanin haƙar ma'adinai ya yi amfani da ita a bayan na'urar dawo da wutsiya mai siffar ferrite a cikin tsarin maganaɗisu. Bayan fiye da rabin shekara na aiki, na'urar tana aiki yadda ya kamata kuma tasirin murmurewa yana da kyau. Bayan gwaje-gwaje da yawa na ɗaukar samfur, sakamakon ya gamsar. Sakamakon gwaje-gwaje da yawa na ɗaukar samfur sune kamar haka:
Ta hanyar nazarin bayanai da ke sama:
Tasirin farfadowar wannan kayan aiki: matakin wutsiya yana raguwa da kashi 2.16% bayan an rarraba shi, matakin ƙarfe mai maganadisu yana raguwa da kashi 1.27% bayan an rarraba shi, kuma matsakaicin matakin ma'adinan tsakiya shine kashi 26.53%. Tasirin farfadowa a bayyane yake.
Ra'ayoyin kasuwa da fa'idodin tattalin arziki
A halin yanzu, akwai kamfanoni da yawa na raba maganadisu a China, kuma kaɗan ne kawai ke amfani da injinan dawo da ferrite tailings, amma ba sa amfani da injinan dawo da kai na semi-magnetic masu ƙarfin tsakiya. Saboda haka, damar kasuwa tana da faɗi. Idan kashi 20% na injinan sarrafa maganadisu sun saka hannun jari a cikin wannan kayan aiki, waɗanda aka ƙididdige bisa ga raka'a 300 a kowace shekara kuma samfurin YCBW-15-8. Kowace na'ura za ta iya dawo da 7t/h na busasshen ma'adinai a kowace awa, 168t/h na busasshen ma'adinai a kowace rana, da kuma kwanaki 330 na aiki a kowace shekara, jimillar murmurewa tan miliyan 55.44, kuma jimillar tan miliyan 16.632 an sake yin amfani da su ta raka'a 300. Fa'idodin tattalin arziki suna da yawa, kuma amfani da wannan kayan aikin na iya rage ɓarnar da yawan albarkatun ma'adinai ga ƙasar kowace shekara.
A halin yanzu, yawan ma'adinan ƙarfe masu ƙarfi a ƙasata gabaɗaya yana da yawa bayan an rarraba su, wanda ke haifar da ɓarnar albarkatu da yawa. Albarkatun ma'adinai su ne tushen rayuwa da ci gaban ɗan adam. Fiye da kashi 95% na makamashi da kashi 80% na kayan masana'antu a ƙasata suna fitowa ne daga haƙar ma'adinai. Tare da saurin ci gaban tattalin arzikin ƙasata, buƙatar albarkatun ma'adinai na ci gaba da ƙaruwa. A gefe guda, albarkatun ma'adinai na ƙasata suna fuskantar matsin lamba mai tsanani daga ƙaruwar ƙarancin ma'adinai. Albarkatun ma'adinai masu inganci, masu sauƙin rarrabawa suna raguwa, kuma ana ƙara ƙima albarkatun ma'adinai masu ƙarancin inganci, masu wahalar rarrabawa. Ci gaba da bincike na injunan dawo da ma'adinan da ke sama da 300mT yana da tasiri mai kyau akan rage asarar albarkatun ƙasa da haɓaka yawan amfani da albarkatun ma'adinai. Daga mahangar ci gaba da tasirin aikace-aikace, ya inganta ƙimar dawo da ma'adinan maganadisu yadda ya kamata. Ya cika buƙatun ƙira kuma samfuri ne da ya cancanci haɓakawa da amfani.
Lokacin Saƙo: Mayu-12-2021