Impuphu ye-graphite esetshenziswa njengama-electrode e-graphite inezinzuzo eziningi. Kodwa-ke, indlela yokuveza izinzuzo zale nto, ukufeza ngempela ukuthuthukiswa kokusebenza kahle, ukunciphisa izindleko kanye nokuthuthukiswa kokuncintisana emakethe, lezi akuzona nje izinkinga abakhiqizi be-graphite okufanele bazicabangele, kodwa futhi nezinkinga abasebenzisi be-graphite okufanele bazithathe ngokungathi sína. Ngakho-ke, lapho kusetshenziswa izinto ze-graphite, yiziphi izinkinga okufanele zixazululwe kuqala?
Ukususwa kothuli: Ngenxa yesakhiwo sezinhlayiya ezincane ze-graphite, kukhiqizwa uthuli oluningi ngesikhathi sokucubungula ngomshini, okunomthelela omkhulu endaweni yefektri. Ngaphezu kwalokho, umthelela wothuli emishinini ubonakala kakhulu ethonyeni layo ekuhlinzekweni kwamandla kwemishini. Ngenxa yokuqhuba kahle kukagesi kwe-graphite, uma ingena ebhokisini lamandla, ivame ukubangela ama-power short circuits kanye namanye amaphutha. Ngakho-ke, kunconywa ukuthi ifakwe umshini wokucubungula i-graphite okhethekile wokucubungula. Kodwa-ke, ngenxa yezindleko eziphezulu zokutshalwa kwezimali zemishini yokucubungula ekhethekile ye-graphite, amabhizinisi amaningi aqaphile kakhulu kulokhu. Ngaphansi kwezimo ezinjalo, izixazululo eziningana ezilandelayo zingasetshenziswa:
Ukunikezwa kwe-graphite electrode ngaphandle: Njengoba ukusetshenziswa kwe-graphite kusabalala kakhulu embonini yesikhunta, amabhizinisi amaningi okukhiqiza izivumelwano zesikhunta (i-OEM) nawo aqalise ibhizinisi le-OEM lama-graphite electrode.
Ngemva kokucwiliswa ku-oyela: Ngemva kokuthenga i-graphite, iqale icwiliswe ku-spark oil isikhathi esithile (isikhathi esithile sincike kumthamo we-graphite), bese ifakwa esikhungweni sokucubungula ukuze icutshungulwe. Ngale ndlela, uthuli lwe-graphite ngeke lundize luzungeze kodwa luwe phansi. Lokhu kuzonciphisa umthelela emishinini nasendaweni ezungezile.
Ukushintsha isikhungo somshini wokugaya: Lokhu okubizwa ngokuthi ukuguqulwa kuhilela kakhulu ukufaka i-vacuum cleaner esikhungweni esivamile somshini wokugaya.
Igebe lokukhipha ngesikhathi sokucubungula i-graphite ekhishwayo: Ngokungafani nethusi, ngenxa yesilinganiso sokukhipha esisheshayo sama-electrode e-graphite, i-slag yokucubungula eningi iyagqwala ngesikhathi seyunithi. Indlela yokususa i-slag ngempumelelo iba yinkinga. Ngakho-ke, kuyadingeka ukuthi igebe lokukhipha libe likhulu kunelethusi. Ngokuvamile, lapho kusethwa igebe lokukhipha, igebe lokukhipha le-graphite likhulu ngo-10 kuya ku-30% kunelethusi.
Ukuqonda okulungile ngamaphutha ayo: Ngaphandle kothuli, i-graphite nayo inezinkinga ezithile. Isibonelo, lapho kucutshungulwa izibunjwa zobuso obubonakalayo, uma kuqhathaniswa nama-electrode ethusi, ama-electrode e-graphite awakwazi ukufeza umphumela ofiselekayo. Ukuze kufezwe umphumela ongcono wobuso, kufanele kukhethwe usayizi wezinhlayiya ezinhle kakhulu ze-graphite, futhi izindleko zalolu hlobo lwe-graphite zivame ukuba phezulu ngokuphindwe kane kuya kweziyisithupha kuneze-graphite evamile. Ngaphezu kwalokho, ukusetshenziswa kabusha kwe-graphite kuphansi kakhulu. Ngenxa yenqubo yokukhiqiza, ingxenye encane kuphela ye-graphite engasetshenziswa ukukhiqiza kabusha nokusebenzisa. I-graphite engcolile ngemva komshini wokukhipha ugesi ayikwazi ukusetshenziswa kabusha okwamanje, ngaleyo ndlela ibeka izinselele ezithile ekuphathweni kwemvelo kwamabhizinisi. Kulokhu, singahlinzeka ngokuvuselelwa kabusha kwamahhala kwe-graphite engcolile kumakhasimende ukuze sigweme ukubangela inkinga ngesitifiketi sabo semvelo.
Ukuqhekeka ekucutshungulweni kwemishini: Njengoba i-graphite ibuthakathaka kakhulu kunethusi, uma i-graphite icutshungulwa kusetshenziswa indlela efanayo ne-electrode yethusi, kulula ukubangela ukuqhekeka kwama-electrode, ikakhulukazi lapho kucutshungulwa ama-electrode anemicu emincane. Kulokhu, ukwesekwa kobuchwepheshe kwamahhala kunganikezwa abakhiqizi besikhunta. Lokhu kufezwa kakhulu ngokukhethwa kwamathuluzi okusika, indlela yokudlula kwamathuluzi, kanye nokucushwa okunengqondo kwamapharamitha okucubungula. Amasampula e-graphite e-flake yemvelo akhiwe ngokucindezela okubandayo ngaphandle kwe-binder kusetshenziswa i-graphite ye-flake yemvelo. Imiphumela yezinguquko ekwakheni ingcindezi kanye nesikhathi sokubamba ingcindezi ekuxineni, ukugoba kanye namandla okugoba kwamasampula yafundwa ngokulandelana. Ubudlelwano phakathi kwesakhiwo esincane kanye namandla okugoba kwamasampula e-graphite e-flake yemvelo kwahlaziywa ngokwekhwalithi. Izinhlelo ezimbili, i-boric acid - urea kanye ne-tetraethyl silicate - acetone - hydrochloric acid, zakhethwa ukuze kufundwe futhi kuxoxwe ngezakhiwo ze-antioxidant kanye nezindlela ze-graphite powder yemvelo kanye ne-graphite electrode yemvelo ngaphambi nangemva kokwelashwa kwe-antioxidant ngokulandelana. Okuqukethwe okuyinhloko kocwaningo nemiphumela yile: Ukusebenza kokwakheka kwe-natural flake graphite kanye nomthelela wezimo zokwakha ku-microstructure kanye nezakhiwo kuye kwafundwa. Imiphumela ikhombisa ukuthi lapho ingcindezi yokwakha yesampula ye-natural flake graphite inkulu, kulapho ubukhulu namandla e-flexural esampula bukhulu khona, kuyilapho ubukhulu besampula buncane. Isikhathi sokucindezela sokubamba asinawo umthelela omkhulu kubukhulu besampula. Uma kungaphezu kwemizuzu emi-5, ukwakheka kwesampula kungcono. Amandla e-flexural abonisa i-anisotropy esobala, kanti amandla e-flexural ajwayelekile ezindleleni ezahlukene angama-5.95MPa, 9.68MPa, kanye no-12.70MPa ngokulandelana. I-anisotropy yamandla e-flexural ihlobene eduze ne-microstructure ye-graphite.
Izakhiwo ze-antioxidant zesistimu ye-boron-nitrogen ezilungiselelwe ngendlela yesisombululo kanye nendlela ye-sol kanye ne-natural flake graphite powder eboshwe nge-silica sol ngaphambi nangemva kwalokho zafundwa. Imiphumela ikhombisa ukuthi njengoba inani lokufakwa kwe-impregnations landa, inani le-silica sol kanye nesistimu ye-boron-nitrogen eboshwe ebusweni be-graphite powder liyanda, futhi i-antioxidant properties iba ngcono. Izinga lokushisa lokuqala le-oxidation le-natural flake graphite lingu-883K, kanti izinga lokulahlekelwa isisindo se-oxidation ku-923K lingu-407.6mg/g/h. I-graphite powder yafakwa izikhathi eziyisishiyagalolunye ngokulandelana ohlelweni lwe-boric acid – urea kanye nohlelo lwe-ethyl silicate – ethanol – hydrochloric acid. Ngemva kokwelashwa ngokushisa ihora eli-1 ngaphansi komkhathi we-1273K kanye ne-N2, izinga lokulahlekelwa isisindo se-oxidation le-natural flake graphite ku-923K lalingu-47.9 mg/g/h kanye no-206.1mg/g/h ngokulandelana. Ngemva kokwelashwa ngokushisa ihora eli-1 emoyeni we-N2 ka-1973K kanye no-1723K ngokulandelana, amazinga okulahlekelwa isisindo se-oxidation se-natural flake graphite ku-923K ayengu-3.0mg /g/h kanye no-42.0mg/g/h ngokulandelana; Zombili izinhlelo zinganciphisa izinga lokulahlekelwa isisindo se-oxidation se-natural flake graphite, kodwa umphumela we-antioxidant we-boric acid - urea system ungcono kunowe-ethyl silicate - ethanol - hydrochloric acid system.
Ama-electrode e-graphite asetshenziswa kakhulu ezimbonini ezinkulu njengokwenza insimbi yesithando sikagesi, ukukhiqizwa kwe-phosphorus ezithandweni ze-ore, ukuncibilika kwesihlabathi se-magnesia ngogesi, ukulungiswa kokuncibilika ngogesi kwezinto eziphikisayo, i-aluminium electrolysis, kanye nokukhiqizwa kwe-phosphorus, i-silicon, ne-calcium carbide yezimboni. Ama-electrode e-graphite ahlukaniswe ngezinhlobo ezimbili: ama-electrode e-graphite emvelo kanye nama-electrode e-graphite enziwe ngokwenziwa. Uma kuqhathaniswa nama-electrode e-graphite enziwe ngokwenziwa, ama-electrode e-graphite emvelo awadingi inqubo yamakhemikhali e-graphite. Ngenxa yalokho, umjikelezo wokukhiqizwa kwama-electrode e-graphite emvelo uncishiswa kakhulu, ukusetshenziswa kwamandla kanye nokungcola kwehla kakhulu, futhi izindleko zehliswa kakhulu. Anezinzuzo ezisobala zamanani kanye nezinzuzo zomnotho, okungenye yezizathu eziyinhloko zokuthuthukiswa kwama-electrode e-graphite emvelo.
Ngaphezu kwalokho, ama-electrode e-graphite yemvelo ayimikhiqizo ecutshungulwe ngokujulile enenani eliphezulu ye-graphite yemvelo futhi anenani elikhulu lokuthuthukiswa kanye nokusetshenziswa. Kodwa-ke, ukusebenza kokwakheka, ukumelana nokushiswa kwe-oxidation kanye nezakhiwo zemishini zama-electrode e-graphite yemvelo okwamanje kungaphansi kwalawo ama-electrode e-graphite okwenziwa, okuyisithiyo esikhulu ekuthuthukisweni kwawo. Ngakho-ke, ukunqoba lezi zithiyo kuyisihluthulelo sokuthuthukisa ukusetshenziswa kwama-electrode e-graphite yemvelo.
Izakhiwo ze-antioxidant zesistimu ye-boron-nitrogen ezilungiselelwe ngendlela yesisombululo kanye nendlela ye-sol kanye namabhulokhi e-graphite e-natural flake ambozwe nge-silica sol ngaphambi nangemva kwalokho zafundwa. Imiphumela ikhombisa ukuthi imfanelo ye-antioxidant yamabhulokhi e-graphite emvelo ambozwe nge-silica sol iba yimbi njengoba inani le-impregnations landa. Amabhulokhi e-graphite emvelo ambozwe ngesistimu ye-boron-nitrogen anezakhiwo ezingcono ze-antioxidant njengoba inani le-impregnations landa. Amazinga okulahlekelwa isisindo se-oxidation kwamabhulokhi e-graphite emvelo ku-923K kanye no-1273K ayengu-122.432mg/g/h kanye no-191.214mg/g/h, ngokulandelana. Amabhulokhi e-graphite emvelo ambozwe izikhathi eziyisishiyagalolunye ngokulandelana ohlelweni lwe-boric acid – urea kanye nohlelo lwe-ethyl silicate – ethanol – hydrochloric acid. Ngemva kokwelashwa ngokushisa ihora eli-1 emoyeni we-1273K kanye ne-N2, amazinga okulahlekelwa isisindo se-oxidation ku-923K ayengu-20.477mg/g/h kanye no-28.753mg/g/h, ngokulandelana. Ku-1273K, ayengu-37.064mg/g/h kanye no-54.398mg/g/h ngokulandelana; Ngemva kokwelashwa ngo-1973K kanye no-1723K ngokulandelana, amazinga okulahlekelwa isisindo se-oxidation yamabhulokhi e-graphite yemvelo ku-923K ayengu-8.182 mg/g/h kanye no-31.347mg/g/h ngokulandelana; Ku-1273K, ayengu-126.729mg/g/h kanye no-169.978mg/g/h ngokulandelana; Zombili izinhlelo zinganciphisa kakhulu izinga lokulahlekelwa isisindo se-oxidation yamabhulokhi e-graphite yemvelo. Ngokufanayo, umphumela wokulwa ne-antioxidant wohlelo lwe-boric acid – urea ungcono kunowohlelo lwe-ethyl silicate – ethanol – hydrochloric acid.
Isikhathi sokuthunyelwe: Juni-12-2025