Ukubonakala kwegrafu kuye kwazisa uncedo olukhulu ebomini bethu. Namhlanje, siya kujonga iintlobo zegrafu, igrafu yomhlaba kunye ne-flake igrafu. Emva kophando oluninzi kwaye usebenzise, ezi ntlobo zimbini zegrafu zinexabiso eliphezulu. Apha, i-Qingdao furuite i-midraite Umhleli wokuxelela malunga nomahluko phakathi kwezi ntlobo zimbini zegrafu:
I. I-Flake igrafu
I-crystalline igrafu enezikali kunye namagqabi amanqamli, ekhulu izikali, ixabiso eliphezulu loqoqosho. Uninzi lwazo lusasazwa kwaye lusasazwe ematyeni. Inolungelelwano olucacileyo. Iyahambelana nendlela yenqanaba. Umxholo wegrafu ngokubanzi i-3% ~ 10%, ukuya kuthi ga kwi-20%. Ihlala idityaniswa ne-SHI ying, i-feldspaar, i-diokside kunye nezinye iimbiwa zamatye aseMetamorphic (i-SCHIst kunye ne-GNEIRS), kwaye inokubonwa kwindawo yokunxibelelana phakathi kwe-IGneous Rock kunye neListone. I-Scaly Graphite inesakhiwo secandelo, kunye nokuguquguquka, ukuguquguquka, ukumelana nobushushu kunye nokuqhutywa kombane kungcono kunenye yenye yegrafu. Isetyenziselwa ikakhulu njengezixhobo ezibukhali zokwenza iimveliso eziphambili zegrafu.
II. Igraphite yomhlaba
Igrafu yomhlaba ikwabizwa ngokuba yi-amorphousgrain okanye i-cryptocrystalline. I-crystal yekristale yale foto ingaphantsi kwe-micron, kwaye yindawo ehlanganisiweyo ye-microcrystate ye-gracrystalline, kwaye imilo yekristali inokubonwa kuphela phantsi kwe-microscope. Olu hlobo lwegrafiti lubonakaliswa ngumphezulu walo womhlaba, ukungabikho kwe-lubster, i-thambisa elihlwempuzekileyo kunye nenqanaba eliphezulu. Ngokubanzi ezingama-60 ~ 80%, bambalwa kakhulu ngaphezulu kwe-90%, ubungozi obuhlwempuzekileyo.
Ngale nto yabelana ngokungentla, siyazi ukuba kuyimfuneko ukwahlula iindidi ezimbini zegrafu kule nkqubo, ukuze izixhobo zikhethwe ngcono, ezibaluleke kakhulu kubavelisi besicelo segrafu.
IXESHA LOKUQALA: I-DEX-30 ukuya kwi-3022