Tekinoroji yekuputira ma graphite electrodes, kunyanya ma antioxidant coatings, inowedzera hupenyu hwayo hwekushanda kuburikidza nenzira dzakasiyana-siyana dze physicochemical. Nheyo huru uye nzira dzehunyanzvi dzakatsanangurwa seizvi:
I. Maitiro Ekutanga Ekudzivirira Kupisa KwemaAntioxidant
1. Kuparadzaniswa kweMagasi Anooxidiza
Mumamiriro ezvinhu ekupisa kwakanyanya, nzvimbo dze graphite electrode dzinogona kusvika 2,000–3,000°C, zvichikonzera kusanganiswa kwakasimba kwe oxidation ne oxygen yemumhepo (C + O₂ → CO₂). Izvi zvinoumba 50–70% yekushandiswa kwe electrode sidewall. Ma antioxidants coatings anoumba dense ceramic kana metal-ceramic composite layers kuti avhare oxygen contact ne graphite matrix zvinobudirira. Semuenzaniso:
RLHY-305/306 Coatings: Shandisai nano-ceramic scale structures kugadzira glass-phase network pakupisa kwakanyanya, zvichideredza oxygen diffusion coefficients neanopfuura 90% uye kuwedzera hupenyu hweelectrode ne30–100%.
Silicon-Boron Aluminate-Aluminum Multilayer Coatings: Shandisa fire spraying kugadzira gradient structures. Chigadziko chekunze chealuminium chinotsungirira tembiricha iri pamusoro pe1,500°C, ukuwo chigadziko chemukati chesilicon chichichengetedza magetsi, zvichideredza kushandiswa kwemaelectrode ne18–30% mu750–1,500°C.
2. Kuzviporesa uye Kuramba Kupisa Nekupisa
Mapendi anofanira kutsungirira kushushikana kwekupisa kubva mukuwanda/kukwenya kwakadzokororwa. Magadzirirwo epamusoro anozvigadzirisa ega kuburikidza ne:
Nano-Oxide Ceramic Powder-Graphene Composites: Gadzira ma dense oxide films panguva yekuoxidation yekutanga kuti uzadze microcracks uye uchengetedze coating perfection.
Zvimiro zvePolyimide-Boride Bilayer: Layer yekunze yepolyimide inopa insulation yemagetsi, nepo layer yemukati yeboride ichikonzera firimu rekudzivirira rinofambisa mhepo. Kuchinja kwe elastic modulus gradient (semuenzaniso, kuderera kubva pa18 GPa palayer yekunze kusvika pa5 GPa palayer yemukati) kunoderedza kushushikana kwekupisa.
3. Kuyerera Kwegasi Rakagadziriswa uye Kuvhara
Matekinoroji ekuputira anowanzo batanidzwa nekuvandudzwa kwezvivakwa, zvakaita se:
Dhizaini yeHole Rakaboorwa: Zvivako zvine maburi madiki mukati memaelectrode, pamwe chete nemachira ekudzivirira erabha annular, zvinovandudza kuvharwa kwemajoini uye zvinoderedza njodzi dze oxidation munzvimbo imwe chete.
Kuisirwa kweVacuum: Kunopinda mumvura yeSiO₂ (≤25%) uye Al₂O₃ (≤5.0%) muma electrode pores, zvichiita kuti pave nerukoko rwekudzivirira rwe3–5 μm runowedzera katatu kuramba ngura.
II. Mhedzisiro yekushandiswa kweindasitiri
1. Kugadzira Simbi yeMagetsi Arc Furnace (EAF)
Kuderedzwa Kwekushandiswa Kwemaerekitirodhi Patani Yesimbi: Maerekitirodhi akagadziriswa neAntioxidant anoderedza kushandiswa kubva pa2.4 kg kusvika pa1.3–1.8 kg/tani, zvichideredza ne25–46%.
Kushandiswa Kwesimba Kushoma: Kudzivirira kwepajira kunoderera ne20–40%, zvichiita kuti huwandu hwemagetsi huwedzere uye kuderedza dhayamita yemagetsi, zvichideredza kushandiswa kwesimba.
2. Kugadzirwa kweSilicon yeArc Furnace (SAF) Yakadzikiswa
Kushandiswa kweElectrode Yakasimba: Kushandiswa kweelectrode yesilicon patani imwe neimwe kunoderera kubva pa130 kg kusvika ku100 kg, kudzikira kwe~30%.
Kugadzikana Kwakawedzerwa Kwechivakwa: Kuwanda kwevhoriyamu kunoramba kuri pamusoro pe1.72 g/cm³ mushure memaawa 240 ekushanda nguva dzose pa1,200°C.
3. Zvishandiso zveVira reKurwisa
Kugara Kwenguva Yakakwirira Pakupisa: Maelectrode akagadziriswa anowedzera hupenyu hwe60% pa1,800°C pasina kupatsanurwa kana kutsemuka.
III. Chiyero cheUnyanzvi uye Kuenzanisa Maitiro
| Rudzi rweTekinoroji | Zvekuputira | Maitiro ekugadzirisa | Kuwedzera Kwenguva Yehupenyu | Maitiro Ekushandisa |
| Kuputira kweNano-ceramic | RLHY-305/306 | Ukobvu hwekupfapfaidza: 0.1–0.5 mm; tembiricha yekuomesa: 100–150°C | 30–100% | EAFs, SAFs |
| Matanda akawanda akapfapfaidzwa nemurazvo | Silicon-boron aluminate-aruminiyamu | Rutivi rwesilicon: 0.25–2 mm (2,800–3,200°C); rutivi rwearuminiyamu: 0.6–2 mm | 18–30% | MaEAF ane simba guru |
| Kuisa muchina wekubvisa ngura + kuputira | SiO₂-Al₂O₃-P₂O₅ mvura inosanganiswa | Kurapa ne vacuum cleaner: 120 min; kuisirwa mudumbu: maawa 5–7 | 22–60% | MaSAF, machoto ekudzivirira |
| Zvipfeko zve nano-kuzvirapa | Nano-oxide ceramic + graphene | Kurapa kweinfrared: maawa maviri; kuomarara: HV520 | 40–60% | MaEAF epamusoro |
IV. Kuongorora Tekinoroji neUpfumi
1. Mari Inobatsira
Kugadzirisa machira kunotora 5–10% yemari yese yemagetsi asi kunowedzera hupenyu hwebasa ne20–60%, zvichideredza zvakananga mari yemagetsi patani yesimbi ne15–30%. Kushandiswa kwesimba kunoderera ne10–15%, zvichiwedzera kudzikisa mari yekugadzira.
2. Mabhenefiti Ezvakatipoteredza Nemagariro Evanhu
Kuderedzwa kwehuwandu hwekutsiva maerekitirodhi kunoderedza simba revashandi nenjodzi (semuenzaniso, kutsva pakupisa kwakanyanya).
Inoenderana nemitemo yekuchengetedza simba, ichideredza kuburitswa kweCO₂ ne ~0.5 matani patani yesimbi kuburikidza nekuderedza kushandiswa kwemaerekitirodhi.
Mhedziso
Tekinoroji dzekuputira ma electrode e graphite dzinogadzira sisitimu yekudzivirira ine mativi akawanda kuburikidza nekupatsanurwa kwemuviri, kugadzikana kwemakemikari, uye kugadziriswa kwechimiro, zvichiwedzera kusimba munzvimbo dzinopisa zvakanyanya uye dzinoita kuti oxygen irambe iripo. Nzira yehunyanzvi yakashanduka kubva pakuputira machira echikamu chimwe chete kuenda kuzvivakwa zvakasanganiswa uye zvinhu zvinozviporesa. Kufambira mberi mune ramangwana mu nanotechnology nezvinhu zvakarongwa kuchawedzera kushanda kwepurasitiki, zvichipa mhinduro dzinoshanda zvakanaka kumaindasitiri anoputira machira epamusoro.
Nguva yekutumira: Nyamavhuvhu-01-2025