Mumaindasitiri, graphite yechisikigo inopatsanurwa kuva crystalline graphite uye cryptocrystalline graphite zvichienderana nechimiro chekristaro. Crystalline graphite inogadzirwa zviri nani, uye dhayamita ye crystal plate i>1 μm, iyo inonyanya kugadzirwa nekristaro imwe chete kana crystal ine flaky. Crystalline graphite ndeimwe yezvicherwa makumi maviri nemana zviri munyika. Kutsvaga nekuvandudza graphite kwakanyorwa muNational Mineral Resources Planning (2016-2020) kekutanga. Kukosha kwecrystalline graphite kunotungamirirwa nepfungwa dzakadai semotokari itsva dzesimba uye graphene. Kuwedzera kukuru.
Sekureva kweUS Geological Survey (USGS), kusvika pakupera kwa2017, matura egrafiti pasi rose anosvika matani angangoita mamiriyoni mazana maviri nemakumi manomwe, akawanda acho ari muTurkey, China neBrazil, ayo China iri pasi pe crystalline graphite uye Turkey ndiyo cryptocrystalline graphite. Cryptocrystalline graphite haina kukosha kwakawanda uye mikana yekukura nekushandisa yakaderera, saka crystalline graphite ndiyo inosarudza patani yepasi rose yegrafiti.
Sekureva kweChinese Academy of Sciences, girafiti yekristale yeChina inodarika 70% yehuwandu hwese hwepasi rose. Pakati pavo, zviwanikwa zvegirafiti yekristale yeHeilongjiang Province zvinogona kuita 60% yeChina uye inopfuura 40% yepasi rose, izvo zvine basa guru. Vagadziri vakuru vegirafiti yekristale pasi rose iChina, ichiteverwa neIndia neBrazil.
Kugoverwa kwezviwanikwa
Mamiriro enzvimbo ye crystalline graphite deposits munzvimbo dzakasiyana dzeChina
Hunhu hwechikero che crystalline graphite deposits yakakura muChina uye goho rezvikero zvikuru (>0.15mm)
Heilongjiang Province
Dunhu reHeilongjiang rine graphite yakawanda, uye richiri rakanaka kwazvo muHegang neJixi. Dunhu rayo rekumabvazuva ndiro dura guru re crystalline graphite munyika, rine nzvimbo dzakakurumbira dze graphite dzakakura uye dzakakura dzakadai seJixi Liumao, Luobei Yunshan neMuling Guangyi. Migodhi ye graphite yakawanikwa mumaguta manomwe pagumi nematatu ari mudunhu iri. Nzvimbo dzinofungidzirwa kuti dzinowanikwa dzinenge matani mamiriyoni mazana mana, uye nzvimbo dzinogona kuwanikwa dzinenge matani bhiriyoni imwe chete. Mudanjiang neShuangyashan dzakawana zvinhu zvikuru, asi mhando yezviwanikwa inotariswa zvizere. Graphite yepamusoro ichiri kudzorwa neHegang neJixi. Zvinofungidzirwa kuti nzvimbo dzinowanikwa dze graphite dzinogona kudzoserwa mudunhu iri dzinogona kusvika matani mamiriyoni zana nemakumi mashanu (huwandu hwezvicherwa).
Dunhu Rinozvitonga reInner Mongolia
Magirazi egirafiti anowanikwa muInner Mongolia anowanikwawo seHeilongjiang, anowanikwa muInner Mongolia, Xinghe, Alashan neBaotou.
Chikamu chekabhoni chakagadzikwa chegrafiti ore munzvimbo yeXinghe chinowanzova pakati pe3% ne5%. Chikero chekabhoni i>0.3mm, chichiita 30%, uye chiyero chekabhoni i>0.15mm, chinogona kusvika kupfuura 55%. Munzvimbo yeAlashan, tichitora graphite deposit yeChahanmuhulu semuenzaniso, avhareji yekabhoni yakagadzikwa yeore ingaita 5.45%, uye akawanda ema graphite scales i>0.15 mm. Mugodhi wegrafiti munzvimbo yeChaganwendu yeDamao Banner munzvimbo yeBaotou une avhareji yekabhoni yakagadzikwa ye5.61% uye dhayamita yekabhoni yakawanda <0.15mm.
Dunhu reSichuan
Zviwanikwa zve crystalline graphite muSichuan Province zvinonyanya kupararira muPanzhihua, Bazhong neAba Prefectures. Avhareji yekabhoni yakagadzika mu graphite ore munzvimbo dzePanzhihua neZhongba i6.21%. Ore iyi inonyanya kuva diki, uye chiyero chekabhoni hachipfuuri 0.15mm. Kabhoni yakagadzika ye crystalline graphite ore muNanjiang Area yeBazhong City i5% kusvika 7%, yepamusoro i13%, uye ruzhinji rwe graphite scales i >0.15 mm. Grade yakagadzika ye graphite ore muAba Prefecture i5% ~ 10%, uye graphite scales zhinji dziri <0.15mm.
Shanxi Province
Shanxi Province yakawana nzvimbo 8 dzema crystalline reserves e crystalline graphite minerals, anowanikwa zvikuru munzvimbo yeDatong. Avhareji ye fixed carbon mu deposit inonyanya kuva pakati pe3% ne4%, uye ruzhinji rwe graphite scales i >0.15 mm. Kuongororwa kwe ore dressing kunoratidza kuti goho guru rinoenderana rinenge 38%, senge graphite mine iri muQili Village, Xinrong District, Datong.
Dunhu reShandong
Zviwanikwa zve crystalline graphite muShandong Province zvinonyanya kupararira muLaixi, Pingdu neLaiyang. Avhareji yekabhoni yakagadzika muvilla yekumaodzanyemba kwakadziva kumadokero kweLai inenge 5.18%, uye dhayamita yemapepa mazhinji e graphite iri pakati pe 0.1 ne 0.4 mm. Avhareji yekabhoni yakagadzika muLiugezhuang graphite mine muPingdu City inenge 3.34%, uye dhayamita yechikero inonyanya ku <0.5mm. Pingdu Yanxin Graphite Mine ine avhareji yekabhoni yakagadzika ye3.5%, uye chiyero chechikero i >0.30mm, inoverengera 8% kusvika 12%. Mukupfupisa, avhareji yekabhoni yakagadzika mumigodhi ye graphite muShandong inowanzo kuve pakati pe3% ne5%, uye chikamu chezvikero >0.15 mm i40% kusvika 60%.
mamiriro ekuita
Magrafiti eChina ane magiredhi akanaka eindasitiri, ayo akanaka pakuchera, uye giredhi regrafiti rekristaro harisi pasi pe3%. Mumakore gumi apfuura, goho regrafiti reChina regore negore riri pakati pematani 60,000 ne800,000, ayo kugadzirwa kwegrafiti yekristaro kunotora anenge 80%.
MuChina mune makambani anodarika chiuru ekugadzira graphite, uye zvigadzirwa zvacho zvinosanganisira zvigadzirwa zve graphite zvakaita se medium ne high carbon graphite, high pure graphite ne fine powder graphite, pamwe chete ne expanded graphite ne carbon materials. Hunhu hwebhizinesi iri hunonyanya kutungamirwa nehurumende, iyo inonyanya kupararira muShandong, Inner Mongolia, Hubei, Heilongjiang, Zhejiang nedzimwe nzvimbo. Bhizinesi re graphite rehurumende rine hwaro hwakasimba uye mabhenefiti akakosha mu tekinoroji nezviwanikwa.
Graphite inoshandiswa zvakanyanya musimbi, simbi, kugadzira matombo, michina yemakanika, indasitiri yemakemikari nedzimwe nzvimbo nekuda kwehunhu hwayo hwakanaka. Nekufambira mberi kwesainzi netekinoroji, kugona kwekushandisa zvinhu zvitsva zvegraphite mumaindasitiri epamusoro-soro akadai sesimba idzva, indasitiri yenyukireya, ruzivo rwemagetsi, ndege nedziviriro kuri kuongororwa zvishoma nezvishoma, uye inoonekwa senzvimbo yakakosha pakukura kwemaindasitiri ari kubuda. Parizvino, zvigadzirwa zvegraphite zvekuChina zvinonyanya kushandiswa muzvinhu zvinoramba, castings, seals, special graphite nedzimwe nzvimbo, pakati pazvo zvinhu zvinoramba uye castings zvinonyanya kushandiswa.
Nekufambira mberi kuri kuita indasitiri itsva yesimba, kudiwa kwegirafiti mune ramangwana kucharamba kuchikwira.
Kufanotaurwa kwekudiwa kwegraphite muChina muna 2020
Nguva yekutumira: Mbudzi-25-2019