1. A cikin kimanin shekaru 40 daga 1960 zuwa 1999, yawan bakin karafa a kasashen yammacin duniya ya karu daga tan miliyan 2.15 zuwa tan miliyan 17.28, wanda ya karu da kusan sau 8, tare da matsakaicin karuwar kashi 5.5% a shekara.Bakin karfe ana amfani dashi ne a kicin, kayan aikin gida, sufuri, gini, da injiniyan farar hula.A bangaren kayan abinci kuwa, akwai tankunan wanke-wanke da na’urorin wutar lantarki da iskar gas, kayan aikin gida sun hada da gangunan injin wankin atomatik.Daga ra'ayi na kariyar muhalli kamar ceton makamashi da sake amfani da su, ana sa ran buƙatar bakin karfe zai kara fadada.
A fannin sufuri, an fi samun na'urorin shaye-shaye na motocin sufurin jiragen kasa da na motoci.Bakin karfe da aka yi amfani da shi don tsarin shaye-shaye yana da kusan 20-30kg a kowace abin hawa, kuma buƙatun shekara-shekara a duniya shine kusan tan miliyan 1, wanda shine filin aikace-aikacen bakin karfe mafi girma.
A bangaren gine-gine, an sami karuwar bukatu na baya-bayan nan, kamar masu gadi a tashoshin MRT na Singapore, suna amfani da kusan tan 5,000 na bakin karfe na waje.Wani misali shine Japan.Bayan 1980, bakin karfe da ake amfani da shi a cikin masana'antar gine-gine ya karu da kusan sau 4, wanda akasari ana amfani da shi don rufin rufi, ginin ciki da waje, da kayan gini.A cikin shekarun 1980, an yi amfani da kayan da ba a fentin nau'ikan nau'ikan 304 a matsayin kayan rufi a yankunan bakin teku na Japan, kuma amfani da bakin karfen fenti ya canza a hankali daga la'akari da rigakafin tsatsa.A cikin 1990s, 20% ko fiye da girman Cr ferritic bakin karafa tare da babban juriya na lalata an haɓaka kuma an yi amfani da su azaman kayan rufi, kuma an haɓaka dabaru daban-daban na kammala saman don ado.
A fagen aikin injiniyan farar hula, ana amfani da bakin karfe don hasumiya mai tsotsa madatsar ruwa a Japan.A yankuna masu sanyi na Turai da Amurka, don hana daskarewar manyan hanyoyi da gadoji, wajibi ne a yayyafa gishiri, wanda ke hanzarta lalata sandunan ƙarfe, don haka ana amfani da sandunan ƙarfe.A cikin tituna a Arewacin Amurka, kusan wurare 40 sun yi amfani da shingen bakin karfe a cikin shekaru uku da suka gabata, kuma adadin amfani da kowane wuri shine ton 200-1000.A nan gaba, kasuwar bakin karfe a wannan fanni za ta yi tasiri.
2. Makullin fadada aikace-aikacen bakin karfe a nan gaba shine kare muhalli, tsawon rai, da shaharar IT.
Game da kariyar muhalli, na farko, daga ra'ayi na kare muhalli, buƙatun bakin karfe mai jure zafi da zafin jiki mai juriya ga ƙarancin zafin jiki don incinerators mai zafi mai zafi, masana'antar wutar lantarki ta LNG, da masana'antar wutar lantarki mai inganci ta amfani da kwal don murkushe dioxin. tsara zai fadada.An kuma yi kiyasin cewa rumbun batir na motocin dakon mai, wanda za a yi amfani da shi a aikace a farkon karni na 21, zai kuma yi amfani da bakin karfe.Daga ra'ayi na ingancin ruwa da kariyar muhalli, a cikin samar da ruwa da kayan aikin magudanar ruwa, bakin karfe tare da kyakkyawan juriya na lalata zai kuma fadada bukatar.
Dangane da tsawon rai, amfani da bakin karfe yana karuwa a gadoji, manyan hanyoyi, ramuka, da sauran wurare a Turai, kuma ana sa ran wannan yanayin zai yadu a duk duniya.Bugu da kari, tsawon rayuwar gine-ginen jama'a a kasar Japan yana da gajere musamman a cikin shekaru 20-30, kuma zubar da kayan sharar gida ya zama babbar matsala.Tare da fitowar gine-ginen kwanan nan tare da tsawon rayuwar shekaru 100, buƙatar kayan aiki tare da kyakkyawan tsayin daka zai girma.Daga hangen nesa na kare muhalli na duniya, yayin da rage aikin injiniya na farar hula da sharar gini, ya zama dole a gano yadda za a rage farashin kulawa daga matakin ƙira na gabatar da sababbin ra'ayoyi.
Game da yaduwar IT, a cikin aiwatar da ci gaban IT da haɓakawa, kayan aiki suna taka muhimmiyar rawa a cikin kayan aiki na kayan aiki, kuma abubuwan da ake buƙata don madaidaicin ma'auni da manyan kayan aiki suna da girma sosai.Misali, a cikin wayoyin hannu da na'urorin microcomputer, babban ƙarfi, elasticity, da abubuwan da ba na maganadisu ba na bakin karfe ana amfani da su cikin sassauƙa, wanda ke faɗaɗa aikace-aikacen bakin karfe.Har ila yau, a cikin kayan aiki na masana'antu don semiconductor da nau'i-nau'i daban-daban, bakin karfe tare da tsabta mai kyau da kuma karko yana taka muhimmiyar rawa.
Bakin karfe yana da kyawawan kaddarori masu yawa waɗanda sauran karafa ba su da shi kuma abu ne mai tsayin daka da sake yin amfani da su.Nan gaba, za a yi amfani da bakin karfe sosai a fagage daban-daban don mayar da martani ga canje-canjen zamani.
Lokacin aikawa: Nov-02-2022