Cov coke uas tau hlawv ntawm tib qho kev qhia tshwj xeeb tuaj yeem sib txawv ntawm tus nqi nyob ntawm kev lag luam downstream, vim tias qhov laj thawj tseem ceeb yog tias cov lag luam sib txawv muaj "cov kev cai tshwj xeeb" thiab "kev txaus siab los nqus cov nqi them" sib txawv kiag li - yog li tib lub coke uas tawm hauv tib lub qhov cub tsis yog tib yam khoom lag luam hauv qhov muag ntawm cov neeg siv khoom sib txawv.
Ua ntej, qhov yuav tsum tau muaj cov khoom me me thiab cov sulfur ua rau muaj qhov sib txawv ntawm tus nqi. Cov anodes uas tau ci ua ntej rau kev siv txhuas muaj kev txwv nruj rau vanadium, silicon, hlau, thiab lwm yam khoom me me, thiab sulfur kuj yuav tsum tswj tau ntawm 3.0% lossis qis dua. Hom "spec-grade" calcined coke no tuaj yeem muag tau ntau pua txog ntau txhiab yuan ib tuj ntau dua li cov coke generic. Piv txwv li, cov coke calcined nruab nrab-siab sulfur nrog sulfur ntawm 3.0% thiab vanadium qis dua 400 PPM muaj tus nqi nruab nrab ntawm kev ua lag luam ntawm 3,100–3,200 yuan ib tuj thaum Lub Rau Hli 2025, thaum cov coke generic nrog tib yam 3.0% sulfur tab sis tsis muaj cov khoom me me muag tsuas yog nyob ib puag ncig 2,350 yuan ib tuj - qhov sib txawv ntawm ze li ntawm 800 yuan. Cov coke calcined uas muaj cov sulfur tsawg dua yog qhov ua rau neeg xav tsis thoob: cov coke ua los ntawm Fushun petroleum coke tuaj yeem ncav cuag tus nqi ex-factory ntawm 5,200–5,400 yuan ib tuj, thaum cov coke ua los ntawm Jinxi lossis Jinzhou petroleum coke tsuas yog muag rau 4,400–4,700 yuan ib tuj. Cov khoom siv raw keeb kwm ib leeg tsim qhov sib txawv ntawm yuav luag ib txhiab yuan, thiab thaum koj txheej ntawm qhov xav tau ntawm sulfur qis dua 0.5%, tus nqi yeej ob npaug.
Qhov thib ob, qhov kev lag luam downstream qhov kev ua tau zoo thiab lub hwj chim sib tham txiav txim siab seb lawv txaus siab them ntau npaum li cas. Cov ntaub ntawv lithium-ion roj teeb anode thiab graphite electrodes muaj "kev thov nruj hauv qhov kev thov nruj" rau cov coke calcined qis-sulfur - lawv cov khoom muaj nqis ntxiv siab, yog li lawv txaus siab nqus cov nqi siab dua 5,000 yuan ib tuj thiab txawm tias sib tw rau kev muab khoom thaum cov khoom siv raw nruj. Qhov sib piv, cov neeg siv downstream xws li kev lag luam silicon thiab iav kho cov coke calcined tsis muaj dab tsi ntau tshaj li roj ib txwm lossis reductant - lawv tsuas yog mob siab txog tus nqi qis tshaj plaws thiab tiv taus cov peev txheej kim heev. Cov lus qhia tib yam ntawm coke hauv lawv txhais tes tsuas yog muaj nqis 2,000-ib yam dab tsi yuan. Kev lag luam electrolytic txhuas, txawm tias nws muaj ntau heev, thoob ntiaj teb nias cov nqi yuav khoom. Thaum Lub Xya Hli 2025, cov nqi sib tw los ntawm ntau lub Hoobkas txhuas tseem poob qis piv rau Lub Rau Hli, compressing calcined coke producers cov npoo rau qhov poob ntawm 170-250 yuan ib tuj.
Qhov thib peb, "tus nqi ua haujlwm" ntawm tib lub coke hauv cov xwm txheej siv sib txawv yog txawv kiag li. Piv txwv li, thaum siv cov coke calcined uas muaj sulfur tsawg hauv cov electrodes graphite, nws txiav txim siab qhov hluav taws xob conductivity thiab corrosion resistance ntawm lub electrode, uas cuam tshuam ncaj qha rau qhov zoo ntawm cov hlau downstream - cov neeg siv khoom tsis muaj kev nkag siab txog tus nqi. Tab sis tib lub coke siv ua lub carburizer tsuas yog hloov qee cov hlau seem, thiab cov neeg siv khoom muaj kev nkag siab txog tus nqi heev - lawv yuav tsis them txawm tias 200 yuan ntxiv rau ib tuj. Hom "kev them nqi ua haujlwm" no ua rau tib pawg ntawm coke muaj nqis sib txawv hauv ntau yam lag luam.
Qhov thib plaub, cov qauv kev yuav khoom thiab cov nqe lus them nqi kuj ua rau qhov sib txawv ntawm tus nqi loj zuj zus. Cov tuam txhab khoom siv electrolytic aluminium thiab anode feem ntau muab cov nqe lus qiv nyiaj, thiab qee qhov muaj kev pheej hmoo ntawm kev tsis them rov qab. Cov neeg tsim khoom calcined coke, txhawm rau sau cov nyiaj them, yuav tsum sib tw rau cov neeg siv khoom uas muaj credit zoo los ntawm kev muab cov nqi qis dua. Hauv thawj ib nrab ntawm xyoo 2025, kev lag luam calcined coke uas muaj sulfur qis nruab nrab poob ntawm 200 yuan ib tuj, thiab sulfur nruab nrab-siab nruab nrab poob ntawm 190 yuan ib tuj. Cov neeg tsim khoom tab tom muaj sia nyob hauv qhov kev sib tw ntawm sab saud thiab sab hauv qab, muab kev pom zoo rau cov neeg siv khoom zoo thaum them ntau dua rau cov neeg tsis muaj zog - uas ua rau qhov sib txawv ntawm tus nqi pauv pauv tiag tiag thoob plaws ntau yam kev lag luam hauv qab.
Ib kab lus luv luv: Cov coke uas tau hlawv yog ib yam khoom "ua tiav ib nrab." Nws tus nqi kawg tsis yog teem los ntawm lub cub tawg - nws yog txhais ua ke los ntawm kev lag luam cov lus qhia tshwj xeeb, tus nqi ntxiv ntawm cov khoom, thiab lub hwj chim sib tham. Tib lub tuj ntawm coke mus rau hauv kab graphite electrode thiab mus rau hauv lub cub tawg iav yog ob lub khw sib txawv nrog ob lub tswv yim nqi sib txawv kiag li.
Lub sijhawm tshaj tawm: Tsib Hlis-12-2026