A fannin masana'antu, ana rarraba graphite na halitta zuwa graphite na crystalline da graphite na cryptocrystalline bisa ga siffar lu'ulu'u. Graphite na crystalline ya fi kyau a yi masa lu'ulu'u, kuma diamita na farantin lu'ulu'u ya fi μm, wanda galibi ana samar da shi ta hanyar lu'ulu'u ɗaya ko lu'ulu'u mai laushi. Graphite na crystalline yana ɗaya daga cikin ma'adanai 24 masu mahimmanci a ƙasar. Binciken da haɓaka graphite an jera shi a cikin Tsarin Albarkatun Ma'adinai na Ƙasa (2016-2020) a karon farko. Muhimmancin graphite na crystalline yana ƙarƙashin ra'ayoyi kamar sabbin motocin makamashi da graphene. Babban ƙaruwa.
A cewar Hukumar Binciken Yanayin Ƙasa ta Amurka (USGS), ya zuwa ƙarshen shekarar 2017, ajiyar graphite ta duniya ta kai kimanin tan miliyan 270, galibi ana rarraba ta ne a Turkiyya, China da Brazil, inda China ke da rinjaye da graphite mai launin crystalline, Turkiyya kuma graphite mai launin crystalline ne. Graphite mai launin crystalline yana da ƙarancin ƙima da kuma iyakacin damar haɓakawa da amfani, don haka graphite mai launin crystalline yana ƙayyade tsarin graphite na duniya.
A cewar Kwalejin Kimiyya ta kasar Sin, graphite na kasar Sin ya kai sama da kashi 70% na jimillar duniya. Daga cikinsu, albarkatun graphite na lardin Heilongjiang na iya daukar kashi 60% na kasar Sin da kuma sama da kashi 40% na duniya, wanda ke taka muhimmiyar rawa. Manyan masu samar da graphite na duniya sune kasar Sin, sai kuma Indiya da Brazil.
Rarraba albarkatu
Tarihin ƙasa na ma'ajiyar graphite mai siffar crystalline a yankuna daban-daban na China
Halayen sikelin manyan adibas na graphite na lu'ulu'u a China da yawan amfanin manyan sikelin (> 0.15mm)
Lardin Heilongjiang
Lardin Heilongjiang yana da yalwar yawan graphite, kuma har yanzu yana da kyau a Hegang da Jixi. Yankin gabashinta shine mafi girman ma'ajiyar graphite mai lu'ulu'u a ƙasar, tare da shahararrun ma'adanai masu girma da girma kamar Jixi Liumao, Luobei Yunshan da Muling Guangyi. An gano ma'adinan Graphite a birane 7 cikin 13 na lardin. An kiyasta cewa akwai akalla tan miliyan 400 na albarkatun da ake da su, kuma albarkatun da ake da su sun kai tan biliyan 1. Mudanjiang da Shuangyashan suna da manyan abubuwan da aka gano, amma ana la'akari da ingancin albarkatun sosai. Har yanzu Hegang da Jixi suna mamaye graphite mai inganci. An kiyasta cewa ajiyar graphite da za a iya dawo da su a lardin na iya kaiwa tan miliyan 1-150 (adadin ma'adinai).
Yankin Cikin Gida Mai Zaman Kansa
Ajiyar graphite mai siffar crystalline a cikin Mongoliya ta Ciki ita ce ta biyu bayan Heilongjiang, galibi tana yaɗuwa a cikin Mongoliya ta Ciki, Xinghe, Alashan da Baotou.
Matsakaicin matakin carbon na ma'adinan graphite a yankin Xinghe yawanci yana tsakanin kashi 3% zuwa 5%. Matsakaicin sikelin shine >0.3mm, wanda ya kai kimanin kashi 30%, kuma girman sikelin shine >0.15mm, wanda zai iya kaiwa fiye da kashi 55%. A yankin Alashan, idan aka ɗauki ma'adinan graphite na Chahanmuhulu a matsayin misali, matsakaicin matakin carbon da aka gyara na ma'adinan shine kusan kashi 5.45%, kuma yawancin ma'aunin graphite sune >0.15 mm. Ma'adinan graphite a yankin Chaganwendu na Damao Banner a yankin Baotou yana da matsakaicin matakin carbon da aka gyara na 5.61% da kuma diamita mafi girman <0.15mm.
Lardin Sichuan
Albarkatun graphite na crystalline da ke lardin Sichuan galibi suna yaɗuwa ne a yankunan Panzhihua, Bazhong da Aba. Matsakaicin matakin carbon da aka ƙayyade a ma'adinan graphite a yankunan Panzhihua da Zhongba shine 6.21%. Ma'adinan galibi ƙananan sikelin ne, kuma girman sikelin bai wuce 0.15mm ba. Matsakaicin matakin carbon na ma'adinan graphite na crystalline a yankin Nanjiang na birnin Bazhong shine 5% zuwa 7%, mafi girma shine 13%, kuma yawancin sikelin graphite shine >0.15 mm. Matsakaicin matakin carbon na ma'adinan graphite a yankin Aba shine 5% ~ 10%, kuma yawancin sikelin graphite shine <0.15mm.
Lardin Shanxi
Lardin Shanxi ya gano majiyoyi 8 na ma'adanai na graphite na crystalline, waɗanda aka rarraba galibi a yankin Datong. Matsakaicin matakin carbon da aka ajiye a cikin ma'adinan galibi yana tsakanin 3% zuwa 4%, kuma yawancin ma'aunin graphite sun kasance >0.15 mm. Gwajin miyar ma'adinai ya nuna cewa yawan amfanin ƙasa mai yawa ya kai kusan 38%, kamar ma'adinan graphite a ƙauyen Qili, gundumar Xinrong, Datong.
Lardin Shandong
Albarkatun graphite na crystalline da ke lardin Shandong galibi suna yaɗuwa ne a Laixi, Pingdu da Laiyang. Matsakaicin matakin carbon da aka gyara a cikin villa ta kudu maso yammacin Lai shine kusan kashi 5.18%, kuma diamita na yawancin zanen graphite yana tsakanin 0.1 da 0.4 mm. Matsakaicin matakin carbon da aka gyara a ma'adinan graphite na Liugezhuang a birnin Pingdu shine kusan kashi 3.34%, kuma diamita mafi yawa shine <0.5mm. Ma'adinan Graphite na Pingdu Yanxin yana da matsakaicin matakin carbon da aka gyara na 3.5%, kuma sikelin sikelin shine >0.30mm, wanda ya kai kashi 8% zuwa 12%. A taƙaice, matsakaicin matakin carbon da aka gyara a ma'adinan graphite a Shandong yawanci yana tsakanin kashi 3% zuwa 5%, kuma rabon sikelin >0.15 mm shine kashi 40% zuwa 60%.
matsayin tsari
Ma'adanar graphite ta kasar Sin tana da kyakkyawan sakamako a fannin masana'antu, wanda hakan ke da kyau ga hakar ma'adinai, kuma darajar graphite ta kristal ba ta gaza kashi 3% ba a cikin shekaru 10 da suka gabata, yawan fitar da graphite da kasar Sin ke yi a kowace shekara yana tsakanin tan 60,000 zuwa 800,000, wanda daga cikinsu akwai kimanin kashi 80% na samar da graphite ta kristal.
Akwai kamfanonin sarrafa graphite sama da dubu a China, kuma kayayyakin suna da kayayyakin ma'adinai na graphite kamar su graphite mai matsakaicin girma da na carbon, graphite mai tsafta da graphite mai kyau, da kuma kayan graphite da carbon da aka faɗaɗa. Yanayin kamfanin galibi gwamnati ce ke kula da shi, wanda galibi ake rarrabawa a Shandong, Inner Mongolia, Hubei, Heilongjiang, Zhejiang da sauran wurare. Kamfanin hakar graphite mallakar gwamnati yana da tushe mai ƙarfi da fa'idodi masu yawa a fannin fasaha da albarkatu.
Ana amfani da Graphite sosai a fannin ƙarfe, ƙarfe, masana'antar kera ƙarfe, kayan aikin injiniya, masana'antar sinadarai da sauran fannoni saboda kyawawan halayensa. Tare da ci gaban kimiyya da fasaha, ana ci gaba da bincike kan yuwuwar amfani da sabbin kayan graphite a masana'antu masu fasaha kamar sabbin makamashi, masana'antar nukiliya, bayanai na lantarki, sararin samaniya da tsaro a hankali, kuma ana ɗaukarsa a matsayin wata hanya mai mahimmanci don haɓaka masana'antu masu tasowa. A halin yanzu, ana amfani da kayayyakin graphite na China galibi a cikin kayan da ba su da ƙarfi, siminti, hatimi, graphite na musamman da sauran fannoni, waɗanda daga cikinsu ake amfani da kayan da ba su da ƙarfi da siminti mafi kyau.
Tare da ci gaba da bunkasa sabuwar masana'antar makamashi, buƙatar graphite a nan gaba za ta ci gaba da ƙaruwa.
Hasashen bukatar graphite ta kasar Sin a shekarar 2020
Lokacin Saƙo: Nuwamba-25-2019