Tiknoolajiyada dahaarka ee elektroodhada garaafka, gaar ahaan dahaarka antioxidant-ka, waxay si weyn u dheereysaa cimrigooda adeeg iyada oo loo marayo farsamooyin badan oo fiisikokemiko ah. Mabaadi'da asaasiga ah iyo waddooyinka farsamada waxaa lagu qeexay sidan soo socota:
I. Hababka Aasaasiga ah ee Dahaarka Ka-hortagga Xasaasiyadda
1. Go'doominta Gaasaska Oksijiinta
Xaaladaha heerkulka sare leh, dusha sare ee elektroodka garaafiga waxay gaari karaan 2,000–3,000°C, taasoo kicinaysa falgallo oksaydh oo rabshado wata oo leh oksijiin jawi (C + O₂ → CO₂). Tani waxay ka dhigan tahay 50–70% isticmaalka dhinaca derbiga elektroodka. Dahaarka ka-hortagga oksaydhka wuxuu sameeyaa lakabyo isku-dhafan oo dhoobo ah ama bir-dhoobo ah si wax ku ool ah looga hortago taabashada oksijiinta ee matrix-ka garaafiga. Tusaale ahaan:
Dahaarka RLHY-305/306: Isticmaal qaab-dhismeedka cabbirka kalluunka nano-dhoobada si aad u abuurto shabakad galaas-waji heerkul sare leh, taasoo yaraynaysa isku-dhafka faafinta oksijiinta in ka badan 90% isla markaana kordhinaysa cimriga elektroodka 30-100%.
Dahaarka Lakabyada Badan ee Silicon-Boron Aluminate-Aluminium: Adeegso buufinta ololka si aad u dhisto qaab-dhismeedka kala-soocidda. Lakabka aluminiumka ee dibadda wuxuu u adkaystaa heerkulka ka sarreeya 1,500°C, halka lakabka siliconka ee gudaha uu ilaaliyo isticmaalka korontada, taasoo yaraynaysa isticmaalka elektroodka 18-30% heerka 750-1,500°C.
2. Is-bogsiin iyo iska caabinta shoogga kulaylka
Dahaadhku waa inuu u adkeystaa cadaadiska kulaylka ee ka yimaada wareegyada fidinta/murqaha ee soo noqnoqda. Naqshadaha horumarsan waxay is-hagaajin karaan iyagoo adeegsanaya:
Budada Dhoobada ee Nano-Oxide-Graphene Composites: Samee filimaan oksaydh ah oo cufan inta lagu jiro oksaydhka marxaladda hore si loo buuxiyo jajabyada yaryar loona ilaaliyo daacadnimada dahaarka.
Qaab-dhismeedka Polyimide-Boride Bilayer: Lakabka polyimide ee dibadda wuxuu bixiyaa dahaadh koronto, halka lakabka gudaha ee borode uu soo saaro filim ilaalin ah. Jaangooyo modulus ah oo laastikada ah (tusaale ahaan, hoos uga dhacaysa 18 GPa lakabka dibadda ilaa 5 GPa lakabka gudaha) waxay yareysaa cadaadiska kulaylka.
3. Socodka Gaaska iyo Shaabadeynta La Hagaajiyay
Tiknoolajiyada dahaarka waxaa badanaa lagu daraa hal-abuurka qaab-dhismeedka, sida:
Naqshadeynta Godadka Daloolaysan: Qaab-dhismeedyo yar-yar oo daloolo leh oo ku jira elektroodhada, oo ay weheliso gacmo-gashi caag ah oo wareegsan, waxay xoojiyaan shaabadeynta kala-goysyada waxayna yareeyaan khataraha oksaydheynta deegaanka.
Daadinta Faakuumka: Waxay dhex gashaa dareeraha daadinta SiO₂ (≤25%) iyo Al₂O₃ (≤5.0%) daloolada elektroodka, iyagoo sameeya lakab ilaalin ah oo 3–5 μm ah kaas oo saddex jibaaraya iska caabbinta daxalka.
II. Natiijooyinka Codsiga Warshadaha
1. Foornada Daboolka Korontada (EAF) Samaynta Birta
Isticmaalka Elektroodhka ee la Yareeyay halkii Tan ee Bir ah: Elektroodhada lagu daweeyay antioxidant-ka ayaa hoos u dhigaya isticmaalka laga bilaabo 2.4 kg ilaa 1.3–1.8 kg/ton, taasoo ah hoos u dhac 25–46%.
Isticmaalka Tamarta oo Hooseysa: Iska caabinta dahaarka ayaa hoos u dhacda 20-40%, taasoo suurtagelinaysa cufnaanta hadda jirta oo sareysa iyo yaraynta shuruudaha dhexroorka elektroodka, taasoo sii yareyneysa isticmaalka tamarta.
2. Soo-saarka Silikoon ee Foornada Qarka ee Hooska Ku Jirta (SAF)
Isticmaalka Elektroodhka Xasilloon: Isticmaalka elektroodhka silikoon ee halkii tan ayaa hoos u dhacaya laga bilaabo 130 kg ilaa ~100 kg, taasoo ah hoos u dhac ~30%.
Xasiloonida Qaab-dhismeedka oo La Xoojiyay: Cufnaanta mugga waxay ka sarreysaa 1.72 g/cm³ ka dib 240 saacadood oo hawlgal joogto ah oo heerkul ah 1,200°C.
3. Codsiyada Foornada Iska caabinta
Waarta Heerkulka Sare: Elektroodhada la daweeyay waxay muujiyaan cimri dherer 60% ah 1,800°C iyada oo aan lahayn dahaadh ama dildilaac.
III. Cabbirka Farsamada iyo Isbarbardhigga Habka
| Nooca Tiknoolajiyadda | Qalabka dahaadhka | Halbeegyada Hab-raaca | Kordhinta Cimriga | Xaaladaha Codsiga |
| Dahaarka Nano-dhoobada | RLHY-305/306 | Dhumucda buufinta: 0.1–0.5 mm; heerkulka qalajinta: 100–150°C | 30–100% | EAF-yada, SAF-yada |
| Lakabyo badan oo olol lagu buufiyay | Aluminaat-aluminaat-silicon-boron | Lakabka silikoon: 0.25–2 mm (2,800–3,200°C); lakabka aluminiumka: 0.6–2 mm | 18–30% | EAF-yada awoodda sare leh |
| Dahaadhida faakuumka + dahaarka | Dareere isku dhafan oo SiO₂-Al₂O₃-P₂O₅ | Daawaynta faakuumka: 120 daqiiqo; ku dahaadhida: 5-7 saacadood | 22–60% | SAFs, foornooyinka iska caabbinta |
| Dahaarka nano-ga is-bogsiinaya | Dhoobada Nano-oksaydh + Graphene | Daawaynta Infrared-ka: 2 saacadood; adkaanta: HV520 | 40–60% | EAF-yada Heerka Sare ah |
IV. Falanqaynta Teknolojiyada-Dhaqaalaha
1. Kharashka-Faa'iidada
Daawaynta dahaarka waxay ka dhigan tahay 5-10% wadarta kharashka elektroodka laakiin waxay kordhisaa cimriga adeegga 20-60%, taasoo si toos ah u dhimaysa kharashka elektroodka halkii tan ee birta ah 15-30%. Isticmaalka tamarta ayaa hoos u dhacaya 10-15%, taasoo sii yareynaysa kharashyada wax soo saarka.
2. Faa'iidooyinka Deegaanka iyo Bulshada
Soo noqnoqoshada beddelka elektroodka oo yaraata waxay yareysaa xoogga shaqada shaqaalaha iyo khataraha (tusaale ahaan, gubashada heerkulka sare).
Waxay la jaanqaadaysaa siyaasadaha keydinta tamarta, iyadoo dhimaysa qiiqa CO₂ ~0.5 tan halkii tan oo bir ah iyada oo loo marayo isticmaalka elektroodka oo hooseeya.
Gunaanad
Tiknoolajiyada dahaarka elektroodka ee Graphite waxay dhisaan nidaam ilaalin oo lakab badan leh iyada oo loo marayo go'doomin jireed, xasilin kiimiko, iyo hagaajinta qaab-dhismeedka, taasoo si weyn u xoojinaysa waarta jawiga heerkulka sare, oksaydhka. Waddada farsamo waxay ka soo baxday dahaarka hal lakabka ah ilaa qaab-dhismeedyo isku dhafan iyo agab is-bogsiin ah. Horumarka mustaqbalka ee nanotechnology iyo agabka la qiimeeyay waxay sii kordhin doonaan waxqabadka dahaarka, iyagoo bixinaya xalal waxtar badan u leh warshadaha heerkulka sare.
Waqtiga boostada: Agoosto-01-2025