Yakawedzerwa graphite, inozivikanwawo severmicular graphite, icrystalline komboni inoshandisa nzira dzemuviri kana kemikari kupindirana asiri-kabhoni reactants mune zvakasikwa-scaled graphitic intercalated nanocarbon zvinhu uye kusanganisa nekabhoni hexagonal network ndege uchichengetedza Graphite layer. Iyo haingochengete chete yakanakisa yemuviri uye yemakemikari zvimiro zvegraphite, senge yakakwira tembiricha kuramba, corrosion resistance, neutron flux, X-ray uye gamma-ray kwenguva refu irradiation. Iyo ine zvakare yakanakisa yemuviri uye yemakemikari zvimiro, senge yakaderera friction coefficient, yakanaka self-lubrication, yemagetsi uye yekupisa conductivity, uye anisotropy. Uyezve, nekuda kwekudyidzana pakati pezvinhu zvakabatana uye graphite layer, yakawedzera graphite inoratidza zvivakwa zvitsva izvo pristine graphite uye yakabatana zvinhu haina, uye inokunda brittleness uye kukanganisa kuramba kwechisikigo graphite. Aya anotevera Furuite graphite edhita anogovera kusuma kweiyo maindasitiri synthesis nzira uye mashandisiro eiyo yakawedzera graphite:
1. Synthetic nzira dzinowanzoshandiswa mumaindasitiri
①Chemical oxidation
Zvakanakira: Chemical oxidation inzira inoshandiswa zvakanyanya uye yakasimbiswa muindasitiri. Naizvozvo, ine mabhenefiti ari pachena, tekinoroji yakakura uye mutengo wakaderera.
Kukanganisa: Iyo intercalating agent inowanzogadziriswa sulfuric acid, iyo inoshandisa yakawanda yeasidhi. Kune Sox inokuvadza gasi kusvibiswa mukugadzira, uye zvakasara muchigadzirwa zvinosvibisawo michina yekugadzira.
②Electrochemical oxidation
Kufanana nemakemikari oxidation, ndiyo imwe yedzakajairika maindasitiri synthesis nzira dzekuwedzera graphite.
Zvakanakira: Hapana chikonzero chekuwedzera maoxidants akasimba, akadai seakasimba asidhi, uye maitiro anogona kudzorwa nekugadzirisa maparamendi akadai seazvino uye voltage. Midziyo yekubatanidza iri nyore, huwandu hwekubatanidza hwakakura, iyo electrolyte haina kusvibiswa, uye inogona kushandiswa zvakare.
Zvakaipa: Kugadzikana kwechigadzirwa chakagadzirwa kune hurombo kupfuura dzimwe nzira, dzinoda midziyo yepamusoro, uye pane zvakawanda zvinokanganisa kunaka kwechigadzirwa. Dzimwe nguva, iyo yakawedzerwa vhoriyamu yechigadzirwa inoderedzwa zvakanyanya nekuda kwekuwedzera kweambient tembiricha. Pamusoro pezvo, kune maitiro eparutivi pamhepo yakakwira mune zvinogadziriswa zvine aqueous, saka zvakaoma kuwana yekutanga-odha makomisheni.
2. Mabhizimusi makuru ekugadzira uye kugona kwekugadzira
Kugadzirwa kweakawedzera zvigadzirwa zvegraphite munyika yangu kwakura kubva padanho rekutanga kusvika kune vanopfuura zana vanogadzira, nekubuda kwepagore kweanosvika 30,000 matani, uye huwandu hwemusika hwakaderera. Zvakare, vagadziri vazhinji vanonyanya kudzika-yekupedzisira seal mafirita, asingawanzo shandiswa mumotokari zvisimbiso uye marambi enyukireya endege. Nekudaro, nekuvandudzwa kwehunyanzvi hwepamba, chikamu chezvigadzirwa zvepamusoro zvichawedzera zvishoma nezvishoma.
3. Kudiwa kwemusika uye kufanotaura kwezvinhu zvekuisa chisimbiso
Parizvino, yakawedzerwa graphite inonyanya kushandiswa semidziyo yekuisa chisimbiso chemotokari, senge cylinder gaskets, kutora uye exhaust port gaskets, etc. Yakawedzerwa graphite sealing zvinhu munyika yangu zvinonyanya kushandiswa sekuisa chisimbiso mafirita. Parizvino, yakawedzera graphite ine yakaderera kabhoni yemukati yakagadziridzwa, iyo inogona kuderedza zvakanyanya mutengo wekugadzira weyakawedzera graphite, nekudaro kutsiva asbestos pamwero mukuru uye kuwedzera kudiwa. Kune rimwe divi, kana mapurasitiki, rabha uye simbi yekuisa chisimbiso zvinhu zvinogona kutsiviwa zvishoma, kudiwa kwepagore kwepamusha kwekuwedzera graphite yekuisa chisimbiso zvinhu kuchave kukuru.
Muindasitiri yemotokari, mota yega yega silinda musoro gasket, kutorwa kwemhepo uye exhaust port gasket inoda inenge 2 ~ 10kg yegraphite yakawedzerwa, uye mota gumi dzega dzega dzinoda 20 ~ 100 matani ekuwedzera graphite. Indasitiri yemotokari yeChina yapinda munguva yebudiriro inokurumidza. Naizvozvo, kudiwa kwenyika yangu gore negore kwekuwedzera magirafu ekuisa chisimbiso zvinhu kuchiri chinangwa.
Nguva yekutumira: Sep-07-2022