Ubunyulu bepowder yegrafiti kwiimveliso ze-graphite electrode yiparameter ebalulekileyo yepowder yegrafiti kwaye yinto ekufuneka iqondwe ngabasebenzisi abathenga ipowder yegrafiti kunye negrafiti. Igrafiti ngokwayo yiminerali yendalo yekristale ye-carbon, kwaye umxholo wekhabhoni omiselweyo luphawu oluphambili lobunyulu bepowder yegrafiti. Ngaphambi kokuba uphume kumzi-mveliso okanye uqhubeke nokucutshungulwa, ipowder yegrafiti kufuneka ivavanywe ngeendlela ezahlukeneyo, phakathi kwazo uvavanyo lobunyulu bepowder yegrafiti lubalulekile.
Ukulinganiswa kobunyulu begrafiti powder kukufumanisa umlinganiselo womxholo wekhabhoni ozinzileyo kwigrafiti powder. Ngenxa yokuba igrafiti inozinzo oluhle lweekhemikhali kubushushu begumbi, akulula ukumisela ngokuthe ngqo umxholo wayo wekhabhoni. Umxholo wekhabhoni ngokubanzi ubalwa ngobuninzi bokuvuthuluka kobushushu obuphezulu bezinto eziza kuvavanywa. Oko kukuthi, umxholo wekhabhoni ubalwa ngokusekelwe kwixabiso lenani legrafiti exutywa ibe yikhabhoni diokside kwaye ivuthululwe kubushushu obuphezulu. Indlela yokubala ubunyulu begrafiti powder kukuba i-carbon ezinzileyo (%) = 100%- uthuthu (%)- i-volatil matter (%).
Iimveliso zeekhemikhali zemihla ngemihla zeGraphene
Indlela ethile yokuvavanya ubunyulu bomgubo wegrafiti yile ilandelayo: Linganisa ngokuchanekileyo iisampulu ezimbini zegrafiti yegrafiti eziziigram ezili-1 usebenzisa ibhalansi yohlalutyo lwe-elektroniki, uze uzibeke ngokulandelelana kwi-porcelain crucible enesiciko esiphindwe kabini nakwisikhephe segrafiti esinobunzima obaziwayo. Zizomise kwi-oven yokomisa ye-105℃ de zifikelele kubunzima obufunekayo, uze ubhale phantsi ubunzima be-G1 kunye ne-G2 bomgubo wegrafiti ngokulandelelana. Beka i-porcelain crucible enesiciko esiphindwe kabini equlethe umgubo wegrafiti kwisikhephe esinobushushu obuphezulu kwaye uyigcine kubushushu obungaguqukiyo be-950℃ imizuzu esi-7 nge-stopwotch. Emva koko yikhuphe uyipholise kubushushu begumbi kwi-desiccator. Linganisa umgubo wegrafiti njenge-G3. Thatha isikhephe segrafiti equlethe umgubo wegrafiti kwaye uyigcine kubushushu obungaguqukiyo be-950℃ imizuzu engama-90 kwisikhephe esinobushushu obuphezulu. Emva koko khupha umgubo wegrafiti kwaye uyipholise kubushushu begumbi. Kule ndawo, ubunzima bezinto bubunzima bomlotha we-G4. Okokuqala, bala i-volatile matter ye-graphite powder V (%)= (G1-G3)/ G1× 100%. Ngoko ke, ifomula yokubala ubunyulu be-graphite powder C(%)=[(G2-V- G4)/ G2]× 100% ifunyenwe. Ubunyulu be-graphite powder yiparameter ebaluleke kakhulu, ingakumbi xa kuvavanywa ubunyulu be-graphite powder ecocekileyo kakhulu. Kuphela xa ubunyulu be-graphite powder buhlangabezana neemfuno zobunyulu be-graphite powder ecocekileyo kakhulu apho ingathathwa njengemveliso efanelekileyo. Ishishini le-mold graphite liye latshintsha kancinci ukusuka kwimodeli yendabuko ukuya kwicala elahlukileyo ngophuhliso lwayo. Akusekho mfuneko ukuba amashishini adibane kwaye awele imida ukuze aphile kwaye akhule. Kwimeko yemfuno yexesha elizayo, ukusetyenziswa kuya kuba nokulandela iimveliso ngendlela eyenzelwe wena kwaye yobungcali.
I-electrode yegrafayithi
Ngoko ke, ishishini le-graphite mold litshintsha ngokukhutheleyo ukuze lilandele umkhwa weThe Times kwaye liphucule kwaye lityebise umxholo wemveliso. Uphuhliso lweshishini ngokuqinisekileyo lufuna ubuchule. Umsasazi othile uthe, kwimeko yangoku, zimbalwa kakhulu iinkampani ezinokwenza umsebenzi olungileyo kuphuhliso lwamashishini ahlukeneyo. Ezifana neethayile ezigubungela ii-graphite molds, ii-graphite molds ezigubungela iithayile, iikhabhathi ezigubungela ii-graphite molds, njl. Kuyo yonke intsimi, kukho imida yayo kunye neenkcukacha zayo, ezingenakwenziwa lula lishishini elinye. Ukuqokelela kunye nokuphucula italente, ubuchwepheshe kunye neendlela zonke kufuna inkqubo.
Umboniso wama-20 weKhitshi negumbi lokuhlambela uqalile. Abantu abangaphakathi kushishino baye bagxila kakhulu kwicandelo le-graphite molds xa bexoxa ngomboniso wekhitshi negumbi lokuhlambela. Kodwa eneneni, ikhitshi negumbi lokuhlambela azinakwahlulwa. Ngexesha lophuhliso lomboniso kwiminyaka embalwa edlulileyo, ingakumbi ngokuvulwa ngokupheleleyo kweHall N, amashishini ekhabhinethi, amashishini ezixhobo zekhitshi, amashishini esilingi kunye nabanye abavelisi bonke baye bangena, kwaye amashishini ahlukeneyo axhasayo nawo angene omnye emva komnye, okwenza imisebenzi kunye nezinto eziphambili zomboniso zibe zizityebi kwaye ziphelele, kwaye inzuzo inokuba nkulu!
Nangona kunjalo, ukudibana kwamashishini kubonakala kungenakuphepheka. Isizathu sokuba ii-graphite molds, iikhabhathi, izixhobo zasekhitshini kunye neesilingi zinokuboniswa ngexesha elinye lomboniso ngokwenene yimfuno yemarike kunye nabathengi. Kakade ke, ubuchule kunye nokwahlukahluka ngokwazo zizihloko eziye zaphuhliswa ngendlela ye-dialectical. Umboniso weShanghai Kitchen and Bathroom ngoku ungene kwinqanaba elitsha. Zombini umboniso kunye namashishini enza amalungiselelo okuguquka ngokuzolileyo. Olu hlobo luyinto encinci yokuguqulwa kwe-"Made in China". Kulo mboniso ovulwe ngoJuni 3, 2015, sinokukwazi ukubona ezinye iimpawu ze-"Internet Plus", ezinye iimpawu "zobukrelekrele", kunye neendlela ezintsha ezingaphantsi kakhulu.
Ixesha leposi: Meyi-26-2025