Ndeipi musiyano uripo pakati pe petroleum coke ne needle coke uye simba rayo pamhando ye electrode?

Kusiyana Kwakakosha Pakati pePetroleum Coke neNeedle Coke uye Kukanganisa Kwavo paHunhu hweElectrode

I. Kusiyana kwezvinhu zvisina kugadzirwa uye maitiro ekugadzira

Coke yePetroleum

• Zvinhu Zvisina Kugadzirwa: Zvinonyanya kugadzirwa nemafuta anorema kana mafuta akasara anobva mumafuta asina kucheneswa, ane huwandu hwakawanda hwekusvibiswa (semuenzaniso, sarufa, vanadium, nickel).
• Maitiro: Yakagadzirwa nekunonoka kubika, ichigadzira chimiro chakaita sechipanji chisina kurongeka mushure mekupwanyika zvakanyanya, ine maburi makuru (kusvika >0.3 cm³/g) uye inogona kunyudzwa nehunyoro.
• Mutengo: Maitiro ekugadzira ari nyore ane mitengo yakaderera, asi kuchinja-chinja kukuru kwemhando nekuda kwekuvimba nekugadzikana kwezvinhu zvakagadzirwa.

Coke yetsono

• Zvinhu Zvisina Kugadzirwa: Zvinoda mafuta epetroleum ane sarufa shoma, ane nitrogen shoma (semuenzaniso, catalytic cracking oil slurry) kana coal tar pitch, nekudzora kusvibiswa kwakasimba.
• Maitiro: Anosanganisira kugadzirira zvinhu zvisina kugadzirwa, kunonoka kubika, uye calcination inodziya zvakanyanya (1,200–1,400°C), zvichikonzera kuti makristaro ekabhoni akanyatsogadzirwa agadzire chimiro che fibrous.
• Mutengo: Maitiro akaoma ekugadzira ane mitengo yakapetwa kakawanda kupfuura petroleum coke yakajairika, asi inoita kuti chigadzirwa chishande zvakanaka.

II. Mhedzisiro paHunhu hweElectrode

Kufambisa Kwemagetsi

• Petroleum Coke: Inodzivirira zvakanyanya, inokanganiswa zvakanyanya netsvina (semuenzaniso, sarufa, vanadium). High-sulfur coke inogadzira gaseous oxides panguva ye electrolysis, zvichikonzera kusvibiswa kwezvakatipoteredza uye kudzikira kwe conductivity.
• Needle Coke: Kudzivirira kwakaderera (chiyero chakakosha chekuongorora mhando kuburikidza nekudzivisa hupfu), kuve nechokwadi chekuti magetsi anofambiswa zvakanaka, kushandiswa kwesimba kwakaderera, uye kushanda zvakanaka kwemagetsi.

Kugadzikana kweThermal uye Kuramba kweOxidation

• Petroleum Coke: High coefficient of thermal expansion (CTE), inokurumidza kutsemuka kana tembiricha yakakwira, ine kusasimba kwe oxidation, zvichikonzera kushandiswa kwema electrode nekukurumidza.
• Needle Coke: CTE yakaderera uye kuramba kupisa kwakanyanya, kuchengetedza kugadzikana kwechimiro patembiricha inodarika 3,000°C uye kuwedzera hupenyu hwema electrode.

Simba reMichina uye Kuramba Kuora

• Petroleum Coke: Simba diki rezvinhu, rinogona kupatsanuka kana paine mhinduro dze cryolite, zvichiita kuti kushandiswa kwakawanda kuwedzere.
• Needle Coke: Chimiro chefiber chinonyatso bvisa kushushikana, chichipa simba risingakuvadzike, rakanakira nzvimbo dzakaoma dzakadai sekugadzira simbi dzemagetsi dzine simba guru.

Kudzora Kusachena uye Kuenderana Kwechigadzirwa

• Petroleum Coke: Kusiyana kukuru kwehuwandu hwekusachena (semuenzaniso, Ni, V, Ca), iyo inokonzeresa anode oxidation reactions, ichikanganisa mashandiro eelectrode uye ichideredza kushanda kwealuminium electrolysis.
• Needle Coke: Kusvibiswa kwakaderera zvakanyanya kunowanikwa kuburikidza nekushandisa hydrorefining yakadzika uye calcination yakasimba, zvichiita kuti chigadzirwa chive chakasimba pakugadzira ma electrode epamusoro.

III. Mashandisirwo uye Kukosha Kwemari

Coke yePetroleum

• Mashandisirwo Akakosha: Mafuta emumaindasitiri (semuenzaniso, makinu esimende, magirazi), zvinhu zvekabhoni zvemhando yepasi (semuenzaniso, maelectrode egrafiti, anode paste).
• Zvipingamupinyi: Kuderera kwemusika we coke ine sulfur yakawanda nekuda kwemitemo yezvakatipoteredza, isina kukodzera kushandiswa kwepamusoro-soro.

Coke yetsono

• Mashandisirwo Akakosha: Kukosha Kwemari: Mutengo wayo wakakwira ka5–10 kupfuura petroleum coke yakajairika, uye kudiwa kwayo kuri kuwedzera nekuda kwekufambira mberi mune tekinoroji itsva dzesimba.
• Maelectrode egrafiti ane simba guru: Anosvika >60% yehuwandu hwese hwe needle coke hunodiwa, uye zvakakosha pakugadzira simbi dzemagetsi dze arc furnace.
• Mabhatiri e lithium-ion ane magumo epamusoro: Chimiro chakaiswa muzvikamu uye kristallinity zvinorerutsa kupararira kwe lithium-ion, zvichiwedzera kushanda zvakanaka kwebhatiri pakuchaja/kuburitsa.
• Zvigadzirwa zvegrafiti zvakakosha: Zvakadai segrafiti yenyukireya nezvinhu zvegrafiti zvinopisa zvakanyanya.

IV. Mafambiro neMatambudziko muIndasitiri

Coke yetsono:

• Kuwedzera nekukurumidza kwehuwandu hwezvinhu zvakagadzirwa nemafuta (kufungidzirwa kuti huwandu hwezvinhu zvakagadzirwa nemafuta huchasvika matani mamiriyoni 2.21 pagore panosvika gore ra2023), kunyange hazvo kuvimba nezvinhu zvinotengeswa kunze kwenyika zvemhando yepamusoro kuchiripo. Kubudirira kwetekinoroji kuchiri kukosha.

Coke yePetroleum:

• Misika yepakati kusvika pasi inosangana nematambudziko ezvakatipoteredza, zvichiita kuti pave nekugadzikana kwemhando yepamusoro kuburikidza nehunyanzvi hwekugadzira zvinhu zvakasiyana-siyana (semuenzaniso, kusanganisa zvinhu zvakagadzirwa kubva kunzvimbo dzakasiyana). Zvisinei, haigone kutsiva neneedle coke mumashandisirwo emhando yepamusoro.