Maelectrode egrafiti ane simba guru anoshandiswa zvakanyanya muzvinhu zvinotevera:
1. Graphite anoumba kuti simbi dzisapfuure uye dzirambe dzichipfuure
Mumakore achangopfuura, nzira dzekugadzira dzepamusoro dzakadai sekugadzira zvakananga (kana semi-continuous) mabhawa kana machubhu kubva musimbi yakanyungudutswa dzakasimudzirwa munyika nekune dzimwe nyika. Nzira iyi yakatanga kushandiswa muChina muzvinhu zvakaita semhangura, copper alloys, aluminum uye aluminium alloys. Artificial graphite inoonekwa sechinhu chakakodzera kune continuous kana semi-continuous casting molds dzesimbi dzisina ferrous. Maitiro ekugadzira akaratidza kuti nekuda kwekushandiswa kwe graphite molds, dzine thermal conductivity yakanaka (thermal conductivity inosarudza kumhanya kwesimbi kana alloys) uye kugona kuzvizora kwezviumbwa, kwete kungowedzera kumhanya kwekukanda chete, asiwo nekuti saizi ye inget yakarurama, pamusoro payo pakanaka, uye chimiro che crystalline chakafanana, maitiro anotevera ekugadzirisa anogona kuitwa zvakananga. Izvi hazvingowedzera zvakanyanya goho rezvigadzirwa zvakapedzwa uye zvinoderedza kurasikirwa kwemarara, asiwo zvinovandudza zvakanyanya mhando yezvigadzirwa.
Kune mhando mbiri dzenzira dzekukanda dzinoenderera mberi: kukanda kwakatwasuka kunoenderera mberi uye kukanda kwakatwasuka kunoenderera mberi.
2. Maumbirwo ekukanda kumanikidzwa
Zvinhu zvakagadzirwa negirafiti zvakashandiswa zvinobudirira mukukanda simbi dzisina simbi. Semuenzaniso, zvinhu zvakagadzirwa negrafiti yakagadzirwa nesimbi dzakagadzirwa nesimbi dzakagadzirwa negirafiti yakashandiswa muzvikamu zvemotokari nezvimwe zvinhu.
3. Diya rinopisa rinodzvanya
Madhiri ekugadzira graphite anopisa ane hunhu hunotevera kana achishandiswa mukupisa kwesimbi yecarbide yakagadzirwa nesimbi:
Chekutanga, kana tembiricha yekudzvanya ikakwidzwa kusvika pamadhigirii 1350-1450, kumanikidzwa kweyuniti kunodiwa kunogona kuderedzwa kusvika pamakirogiramu 67-100 simba pasendimita imwe neimwe (ndiko kuti, chikamu chimwe mugumi chekumanikidzwa kwekudzvanya kunotonhora). Chechipiri, kudzvanya nekudziya zvinoitwa nenzira imwe chete, uye muviri wakakora unogona kuwanikwa mushure menguva pfupi yekusviba.
4. Zviumbwa zvekugadzira girazi
Nekuda kwekugadzikana kwemakemikari ezvinhu zvegraphite, kuramba kwadzo kunyoroveswa negirazi rakanyungudutswa, uye chokwadi chekuti hadzichinji chimiro chegirazi, pamwe nekudzivirira kwadzo kupisa uye kuchinja kudiki kwehukuru hwekupisa, dzave zvinhu zvechimurenga zvakakosha mukugadzira magirazi mumakore achangopfuura. Dzinogona kushandiswa kugadzira zvimurenga zvemachubhu egirazi, machubhu egokora, mafunnel, nemamwe mabhodhoro egirazi akasiyana-siyana ane chimiro chakakosha.
5. Sintering dies nedzimwe
Tichishandisa mukana wekushanduka kudiki kwekupisa kwezvinhu zvegrafiti, maforoma anonyungudutsa uye mabhureki etransistors anogona kugadzirwa. Iye zvino ari kushandiswa zvakanyanya uye ave chinhu chakakosha pakukura kweindasitiri yesemiconductor. Pamusoro pezvo, maforoma egrafiti anoshandiswawo muforoma dzesimbi dzakagadzirwa nesimbi, maforoma anogara kwenguva refu esimbi dzakasiyana-siyana dzisina ferrous, maforoma esimbi dzakagadzirwa nesimbi dzakagadzirwa nesimbi, maforoma esimbi dzisingapisi (dzakadai setitanium, zirconium, molybdenum, nezvimwewo), uye maforoma ealuminium welding for welding rails, nezvimwewo.
6. Zviumbwa zveGraphite zvekukanda centrifugal
Graphite yemhando yemold yakashandiswa zvinobudirira mukukanda kwecentrifugal. United States yakashandisa zviumbwa zvegraphite zvemhando yemold zvine ukobvu hwemadziro hunopfuura mamilimita makumi maviri nemashanu pakukanda maoko ebronze emhando yemold. Kuti zvidzivise kupiswa kwezviumbwa zvegraphite zvemhando yemold, matanho ekudzivirira oxidation anogona kutorwa. Mushure mekukanda huwandu hwakati hwezviumbwa, kana mukati memold zvikaonekwa kuti zvatsva, saizi yeburi remukati memold inogona kuwedzerwa kuti ishandiswe pakukanda maoko makuru. Qingdao Mingyuan Fengyue New Materials ibhizinesi idzva rekugadzira graphite rine upfu hwegraphite hwemhando yepamusoro semuviri waro mukuru uye zvigadzirwa zvegraphite zvemhando yepamusoro sechigadzirwa charo chikuru. Yakagadzira hukama hwekushandira pamwe kwenguva refu nemayuniti anopfuura mazana maviri emuno nekunze uye yakarumbidzwa zvikuru nevazhinji vevashandisi.
Upfu hwegirafiti yeNanometer hunogadzirwa kubva kugrafiti yechisikigo sezvinhu zvisina kugadzirwa, hunogadziriswa kuburikidza nemidziyo yakakosha yekupwanya michina uye matekiniki ekugadzira akakosha. Seupfu hwegirafiti yenanoscale, upfu hwegirafiti yenanometer hune mashandisirwo akasiyana-siyana nekuda kwehukuru hwayo hudiki, huwandu hwekabhoni yakawanda, uye kunyorova kwakanyanya, kufambisa magetsi kwakawanda, kuramba kupisa kwakanyanya, nezvimwewo. Kushandiswa kweupfu hwenano-graphite kuri muminda yekugadzira maindasitiri senge kunyorovesa uye kufambisa magetsi.
Zvidimbu zvegrafiti yeNanometer zvakanaka uye zvine huremu hwakanaka hwezvidimbu. Zvinoumba jira rekudzivirira rakasimba uye risingapfeki rakasungirirwa pamusoro pesimbi. Zvinogonawo kusanganiswa nezvinhu zvisingapinze mvura zvakaita semaresini nerabha nepurasitiki kuti zvigadzire zvinhu zvinopa simba. Grafiti yeNanometer inogonawo kugadzirwa kuti ive coating coating. Coating coating coating inowanikwa nekuwedzera conductive fillers ine simba remagetsi rakasimba uye rakagadzikana. Ine mabhenefiti e conductivity yakanaka yekupisa, conductivity yemagetsi yakanaka uye conductivity yakanyanya ngura. Grafiti yeNanometer ine saizi yakaenzana yezvikamu, kuchena kwakanyanya, uye kushanda kwepamusoro. Inewo conductivity yemagetsi yakawanda uye lubrication performance, pamwe ne conductivity yepamusoro-tembiricha, conductivity yekupera, uye kugadzikana kwemakemikari kwe graphite powder. Nokudaro, chiyero chekushandiswa kwe nanometer graphite powder chakakura kwazvo muindasitiri.
Kushandiswa kweupfu hwenano-graphite mukugadzirisa mabhatiri ekuchengetera zvinhu kwakakurawo. Kuwedzera nano-graphite kumabhatiri akamboshandiswa kunogona kuwedzera kugona kwawo kuchengetedza zvinhu kusvika pamusoro pe90% yepakutanga uye kuwedzera hupenyu hwebasa rawo negore rimwe chete. Izvi zvinochengetedza mari yekushandisa mabhatiri ekuchengetera zvinhu uye zvine basa guru mukudzivirira kusvibiswa kwemabhatiri nekuchengetedzwa kwezvakatipoteredza.
Upfu hweGraphite hune mashandisirwo akasiyana-siyana mumaindasitiri. Hunogona kushandiswa muminda yakasiyana-siyana yekugadzira maindasitiri. Mashandisirwo akasiyana eupfu hweGraphite hunoita kuti mitengo yakasiyana. Upfu hweGraphite hune mhedzisiro yakanaka muminda yakaita semafuta emumaindasitiri, simbi, conductivity, uye zvinhu zvinoramba kushanda. Zvinhu zvakaita sekushandiswa, saizi yezvidimbu, uye rudzi rweupfu hweGraphite zvinogona kukanganisa mutengo wayo.
Mashandisirwo eupfu hwegrafiti akasiyana-siyana, saka kune mhando dzakawanda dzeupfu hwegrafiti. Mhando dzakasiyana dzeupfu hwegrafiti dzine mitengo yakasiyana. Flake graphite inogona kugadziriswa kuita upfu hwegrafiti hwakasiyana-siyana uye hukuru hwezvimedu kuburikidza nemidziyo yakasiyana yekupwanya uye nzira dzekugadzira. Semugadziri weupfu hwegrafiti, hunhu hweupfu hwegrafiti hwakagadzirwa hunotangira pa80 mesh kusvika pa15000 mesh. Upfu hwegrafiti hune hunhu hwakasiyana uye hukuru hwezvimedu, uye ndizvo zvakaitawo mutengo wahwo. Mushure mekugadzirwa kuburikidza nehunyanzvi hwekugadzira, upfu hwegrafiti hune mafuta akanaka kwazvo, hunodzivirira kupisa kwakanyanya, kufambisa magetsi, hunodzivirira ngura, nezvimwewo. Upfu hwegrafiti hunogonawo kuita mabasa anoenderana muminda yakasiyana yekugadzira yeindasitiri.
Mhando dzeupfu hwegrafiti dzinosanganisira: Flake graphite powder, ultrafine graphite powder, nano graphite powder, colloidal graphite, expanded graphite, expanded graphite, micro-powder graphite, nezvimwewo, ese aya ma graphite powders anogadziriswa nenzira dzakasiyana dzekugadzira, uye mashandisirwo awo akasiyanawo. Graphite powder inoshandiswa mukugadzira mafuta ekuzora, mafuta akasimba, graphite crucibles, refractory bricks, graphite electrodes, mabhurashi, battery negative electrodes, nezvimwewo. Ose ane mashandisirwo akanaka kwazvo.
Nguva yekutumira: Chivabvu-27-2025