Nyob rau ib nrab xyoo dhau los ntawm xyoo 2021, raws li ntau yam txoj cai, cov roj coke carburizer tau dais ob qho tib si ntawm cov nqi khoom siv raw thiab kev thov tsis muaj zog. Cov nqi khoom siv raw nce ntau dua 50%, ib feem ntawm lub Hoobkas tshuaj ntsuam xyuas raug yuam kom ncua kev lag luam, kev lag luam carburizer tab tom tawm tsam.
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Cov qauv tseem ceeb hauv tebchaws ntawm cov roj av coke tus nqi sib txawv daim ntawv qhia
Raws li cov ntaub ntawv qhia, txij thaum kawg ntawm lub Tsib Hlis, tus nqi roj av coke hauv tebchaws tau nce siab, tshwj xeeb tshaj yog txij lub Yim Hli mus txog rau tam sim no, qhov kev nce siab no sai heev. Ntawm lawv, tus nqi ua lag luam ntawm 1 # A yog 5000 yuan / ton, nce 1900 yuan / ton lossis 61.29%. Tus nqi ua lag luam 1 # B yog 4700 yuan / ton, nce 2000 yuan / ton lossis 74.07%. Tus nqi ua lag luam 2 # coke yog 4500 yuan / ton, nce 1980 yuan / ton lossis 78.57%. Tus nqi khoom siv raw nce siab, ua rau tus nqi carburizer nce siab.
Tom qab calcination coke carburizing tus neeg sawv cev ua lag luam tus nqi tseem ceeb 5500 yuan / ton (qhov loj me: 1-5 hli, C: 98%, S≤0.5%), 1800 yuan / ton lossis 48.64% siab dua li yav dhau los. Cov khoom siv raw khoom lag luam nquag thawb mus rau pem hauv ntej, tus nqi yuav khoom nce siab sai sai, cov chaw tsim khoom calcined coke carburizer tos thiab pom huab cua muaj zog, kev ua lag luam ceev faj. Kev lag luam hauv kev lag luam feem ntau, cov chaw tsim khoom bearish kev xav yog qhov pom tseeb. Qee lub tuam txhab vim tus nqi siab, txo cov khoom siv tshuaj ntsuam lossis kaw ncaj qha, rov pib dua lub sijhawm tsim khoom tsis paub meej.
Tus nqi ntawm kev ua lag luam graphitization carburizer yog 5900 yuan / ton (qhov loj me ntawm cov khoom me me: 1-5 hli, C: 98.5%, S≤0.05%), 1000 yuan / ton lossis siab dua 20.41% piv rau yav dhau los. Tus nqi nce ntawm graphitization carburizer qeeb heev, cov tuam txhab lag luam ua cov ntaub ntawv anode, khwv tau cov nqi ua tiav. Qee lub tuam txhab lag luam hauv qab tso tseg calcined carburizer los siv semi-graphitized carburizer, ua rau tus nqi ntawm carburizer nce siab.
Tam sim no, qhov kev hloov pauv ntawm qhov kev thov tso tawm ntawm lub tshav pob tseem loj heev, kev lag luam tag nrho tsis muaj zog. Tsis ntev los no, vim yog huab cua txias hauv thaj tsam sab qaum teb, kev tsim kho tau qeeb qeeb, thaum thaj tsam sab qab teb tseem tsim nyog rau lub caij tsim kho. Qee lub nroog hauv Sab Hnub Tuaj thiab Sab Qab Teb Suav tau tshaj tawm tias cov lus qhia tsis muaj khoom, thiab cov lus qhia tsis muaj khoom feem ntau yog cov lus qhia loj, thaum qhov kev thov tiag tiag thaum kawg tseem muaj. Nrog rau kev nce qib maj mam ntawm lub sijhawm, qhov kev thov ntawm lub tshav pob tseem yuav muaj feem ntau ntawm kev ua tau zoo.
Cov nqi khoom siv raw tseem pheej nce siab, los muab kev txhawb nqa rau lub recarburizer, tab sis qhov kev thov downstream xav tau sijhawm, nyob rau lub sijhawm luv luv, lub zog siab kom thawb mus. Ib feem ntawm cov nroj tsuag tshuaj ntsuam tau ncua sijhawm tsim khoom, kev muab khoom luv luv yuav tsis tuaj yeem txhim kho. Nws xav tias tus nqi lag luam roj coke carburizer yuav txuas ntxiv ua raws li cov nqi khoom siv raw.
Lub sijhawm tshaj tawm: Lub Kaum Hli-29-2021