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Phau ntawv qhia no muab cov ncauj lus kom ntxaws txog coking coal specifications, suav nrog cov khoom tseem ceeb, kev siv, thiab yam cuam tshuam rau qhov zoo. Kawm paub txog ntau hom thee, cov qauv thoob ntiaj teb, thiab cov kev qhia tshwj xeeb no cuam tshuam rau ntau yam kev lag luam. Peb yuav tshawb nrhiav qhov tseem ceeb ntawm coking thee uas txiav txim siab nws qhov tsim nyog rau kev siv sib txawv.
Coking thee, tseem hu ua metallurgical thee, yog ib hom ntawm cov thee nrog cov khoom tshwj xeeb tseem ceeb rau nws siv hauv kev tsim steel. Tsis zoo li lwm hom thee, coking thee Nws yog tus cwj pwm los ntawm nws lub peev xwm los ua tus txheej txheem hu ua coking, tsim cov qauv coke muaj zog thiab ntxeem tau thaum cua sov thaum tsis muaj cua. Cov coke no yog qhov tseem ceeb rau kev txo cov hlau ore hauv qhov cub tawg. Cov khoom tseem ceeb txiav txim siab qhov zoo ntawm coking thee suav nrog:
Volatile teeb yog hais txog cov khoom ntawm cov thee uas vaporize thaum cua sov. Cov ntsiab lus qis qis qis feem ntau qhia tau tias muaj zog coke, qhov tseem ceeb rau kev ua haujlwm ntawm lub cub tawg. Cov teeb meem tsis muaj zog ntau dua tuaj yeem ua rau cov qauv coke tsis muaj zog thiab txo qis kev ua haujlwm ntawm metallurgy.
Cov ntsiab lus tshauv sawv cev rau cov tsis-combustible ntxhia teeb meem hauv thee. Cov hmoov tshauv siab txo cov nqi cua sov ntawm cov thee thiab tuaj yeem cuam tshuam qhov zoo ntawm cov coke tsim. Cov ntsiab lus qis qis feem ntau yog nyiam.
Sulfur yog ib qho tseem ceeb impurity nyob rau hauv cov thee, thiab siab sulfur theem yuav ua rau ib puag ncig muaj kuab paug thaum lub sij hawm tsim steel. Cov ntsiab lus sulfur qis dua yog qhov tseem ceeb rau kev ua raws li ib puag ncig thiab txo qis emissions. Ntau yam thev naus laus zis thiab cov txheej txheem muaj nyob los daws cov sulfur siab coking thee, tab sis kev txo qis sulfur los ntawm qhov pib yog qhov zoo tagnrho.
Cov pa roj carbon monoxide yog cov pa roj carbon monoxide uas tsis tshua muaj tshwm sim tom qab tshem tawm cov teeb meem tsis haum. Cov ntsiab lus ntau dua cov pa roj carbon monoxide feem ntau yog qhov xav tau, vim nws ncaj qha ua rau coke lub zog thiab ruaj khov. Tus nqi ntawm cov pa roj carbon monoxide ruaj khov muaj feem xyuam nrog tus nqi calorific thiab coke tawm los ntawm cov thee.
Lub caking index ntsuas cov thee lub peev xwm los tsim ib coherent loj thaum coking. Cov coking sib txawv yuav tsum tau ua raws li cov kev cai tshwj xeeb ntawm lub qhov cub tawg thiab cov khoom coke xav tau. Lub zog caking Performance index qhia tau hais tias lub thee tsim nyog rau kev tsim cov coke zoo.
Ntau lub koom haum thoob ntiaj teb thiab lub teb chaws tau tsim cov qauv thiab cov kev qhia tshwj xeeb rau coking thee. Cov kev qhia tshwj xeeb no txhais tau tias muaj peev xwm siv tau rau cov khoom tau hais los saum toj no, kom ntseeg tau tias muaj kev ua tau zoo thiab ua haujlwm zoo. Cov qauv no yog qhov tseem ceeb rau kev lag luam thiab ua kom cov thee tsim nyog rau kev tsim steel. Piv txwv suav nrog cov qauv tsim los ntawm ISO thiab ASTM International. Kev ua raws li cov qauv no yog qhov tseem ceeb rau kev lag luam thoob ntiaj teb thiab cov khoom zoo ib yam.
Cov specifications ntawm coking thee ncaj qha cuam tshuam rau steel kev lag luam kev ua tau zoo thiab cov nqi-zoo. Qhov zoo ntawm cov coke uas tsim muaj cuam tshuam rau tag nrho cov txheej txheem ntawm cov hlau ore txo thiab qhov kawg steel zoo. Xaiv coking thee nrog rau txoj cai specifications yog ib qho tseem ceeb rau optimizing blast furnace ua hauj lwm thiab ua tau zoo steel khoom.
Xaiv qhov tsim nyog coking thee yuav tsum tau ua tib zoo xav txog nws cov specifications thiab cov kev cai tshwj xeeb ntawm daim ntawv thov npaj. Cov yam ntxwv xws li hom blast furnace, cov khoom uas xav tau coke, thiab cov kev cai ib puag ncig txhua tus cuam tshuam rau kev xaiv. coking thee. Kev sab laj nrog cov kws tshaj lij metallurgical thiab cov chaw muag khoom yog qhov tseem ceeb rau kev xaiv zoo.
| Khoom | Low-Quality Coking Coal | High-Quality Coking Coal |
|---|---|---|
| Volatile Matter (%) | > 30 | <20 |
| Cov ntsiab lus tshauv (%) | > 15 | <8 |
| Cov ntsiab lus sulfur (%) | > 2 | <1 |
| Cov pa roj carbon monoxide (%) | <50 | > 70 |
| Cake Index | Tsawg | Siab |
Lus Cim: Cov txiaj ntsig hauv lub rooj yog cov lus piav qhia thiab yuav txawv nyob ntawm seb hom coal thiab qhov twg. Nco ntsoov xa mus rau cov kev qhia tshwj xeeb uas muab los ntawm tus neeg muag khoom.
Yog xav paub ntxiv txog qhov zoo ntawm cov khoom siv hlau coke thiab cov khoom siv thee, xav txog kev tshawb nrhiav Sab hauv Mongolia Xinxin Silicon Kev Lag Luam Co., Ltd. Lawv yog cov khoom lag luam loj tshaj plaws hauv kev lag luam.
Disclaimer: Cov ntaub ntawv no yog siv rau kev kawm nkaus xwb thiab yuav tsum tsis txhob suav hais tias yog cov lus qhia tshaj lij. Nco ntsoov sab laj nrog cov kws tshaj lij rau cov ntawv thov tshwj xeeb thiab cov kev xav tau.