Inkcazo yeMveliso: i-graphite
Umgubo wegrafiti uthambile, ungwevu omnyama, unamafutha kwaye unokungcolisa iphepha. Ubunzima buyi-1-2, kwaye buyanda bube yi-3-5 ngokwanda kokungcola kwicala elithe nkqo. Ubunzima obuthile yi-1.9-2.3. Phantsi kwemeko yokwahlulwa kweoksijini, indawo yayo yokunyibilika ingaphezulu kwe-3000 ℃, enye yezona zimbiwa zimelana nobushushu. Kubushushu begumbi, iipropati zeekhemikhali zomgubo wegrafiti zizinzile, azinyibiliki emanzini, zinyibilikiswe yi-asidi, zinyibilikiswe yi-alkali kunye nezinyibilikisi ze-organic; le nto inokumelana nobushushu obuphezulu kunye nokuqhuba, kwaye ingasetyenziswa njengezinto ezichasayo, eziqhubayo, ezingagugiyo nezithambisayo.
Ngenxa yesakhiwo sayo esikhethekileyo, i-graphite ineempawu ezilandelayo: 1. Ukumelana nobushushu obuphezulu: iqondo lokunyibilika kwe-graphite yi-3850 ± 50 ℃, kwaye iqondo lokubila yi-4250 ℃. Oko kukuthi, izinga lokulahleka kobunzima kunye ne-coefficient yokwandiswa kobushushu zincinci kakhulu xa kusetyenziswa i-ultra-high temperature arc sintering, kwaye amandla e-graphite ayanda ngokunyuka kobushushu. Kwi-2000 ℃, amandla e-graphite aphindaphindwa kabini. 2. Ukutyeba: ukutyeba kwe-graphite kuxhomekeke kubukhulu be-graphite. Okukhona isikali sikhulu, kokukhona i-friction coefficient incinci, kwaye kokukhona ukusebenza kokutyeba kungcono. 3. Uzinzo lwekhemikhali: i-graphite inozinzo oluhle lwekhemikhali kubushushu begumbi, imelana ne-acid, i-alkali kunye ne-organic solvent corrosion. 4. I-Plasticity: i-graphite inokuqina okuhle kwaye ingacinezelwa kwiishiti ezincinci. 5. Ukumelana nokutshiswa kobushushu: xa i-graphite isetyenziswa kubushushu begumbi, inokumelana notshintsho olukhulu lobushushu ngaphandle komonakalo. Xa ubushushu bunyuka ngequbuliso, umthamo wegrafiti awuyi kutshintsha kakhulu kwaye akuyi kubakho mifantu.
Ukusetyenziswa:
1. Njengezinto ezichaseneyo: i-graphite kunye neemveliso zayo zineempawu zokumelana nobushushu obuphezulu kunye namandla aphezulu. Zisetyenziswa kakhulu ekwenzeniisixhobo sokubethela igrafayithikushishino lwesinyithi, kwaye zihlala zisetyenziswa njengearhente yokukhusela kwi-ingot yentsimbi kunye ne-lining yesithando sesinyithi.
2. Njengezinto zokuthambisa ezingagugiyo: igrafiti idla ngokusetyenziswa njengezithambiso kushishino loomatshini. Ioyile yokuthambisa ayifanelekanga kwisantya esiphezulu, ubushushu obuphezulu kunye noxinzelelo oluphezulu.
3. I-Graphite izinzile kakuhle kwiikhemikhali. Isetyenziswa kakhulu kushishino lwe-petrochemical, i-hydrometallurgy, imveliso ye-asidi-base, i-synthetic fiber, i-papermaking kunye namanye amacandelo emizi-mveliso, nto leyo enokonga izinto ezininzi zesinyithi.
4. I-Graphite ingasetyenziswa njenge-pensile lead, i-pigment kunye ne-polishing agent. Emva kokucubungula okukhethekileyo, i-graphite ingenziwa ibe zizixhobo ezahlukeneyo ezikhethekileyo ezisetyenziswa ngamasebe afanelekileyo emizi-mveliso.
Ixesha lokuthumela: Matshi-26-2021