Nyob rau hauv xyoo tas los no, thoob ntiaj teb metallurgical tuam txhab los ntawm mergers thiab acquisitions, kev lag luam concentration tseem nce. Thaum los txog rau xyoo 2023, cov txiaj ntsig ntawm kev lag luam metallurgical tau nkag mus rau lub sijhawm poob qis, feem ntau yog vim qhov nce nqi ntawm qee cov khoom siv raw thiab cov nqi hlau poob qis, uas ua rau muaj kev poob qis hauv cov txiaj ntsig kev lag luam. Raws li txhua qhov xwm txheej, kev ua neej nyob tau dhau los ua lub ntsiab lus ntawm lub xyoo no, kev txo qis ntawm txhua qhov project, txwv kev tsom mus rau kev ua kom zoo dua qub thiab txhim kho, ntsuab qis-carbon kev txhim kho thiab kev tsim khoom ntse. Xws li "ultra-low emission" transformation thiab zog "hnyav zog efficiency", thiab ua kom cov pa roj carbon tsawg technological innovation thiab digital transformation nyob rau hauv industrial sector.
● Hlau smelting
1. Carbon-based smelting hloov mus rau hydrogen-based smelting
Hlau thiab hlau smelting kev taw qhia rau hydrogen metallurgy, tab sis tam sim no qhov chaw ntawm ntsuab hydrogen yog txwv, nrog rau qhov teeb meem no, nyob rau hauv lub sij hawm luv luv blast furnace smelting siv coke cub roj es tsis txhob ntawm coke raws li ib tug txo tus neeg sawv cev, xws li XIYE Hlau thiab hlau hydrogen- Raws li ncej rauv, nrog rau cov modular siab kub cua txias reactor nuclear fais fab kuj tseem brewing. Hydrogen tsim los ntawm coke cub gas hauv steel ua haujlwm.
2. Cov txheej txheem luv luv smelting
Vim yog lub siab ntawm kev tiv thaiv ib puag ncig, cov txheej txheem luv luv smelting yuav ua rau muaj kev faib ua feem. Smelting txo cov hlau ua tshuab xws li hluav taws xob rauv.
3. Tempered co-production
Rau lub sijhawm ntev, ib qho tseem ceeb ntawm kev siv cov hlau los ntawm cov khoom siv roj yog combustion cua sov. Txawm hais tias cov no siv lub zog cua sov ntawm cov pa, lawv cov nqi tseem tsis tau pom tag nrho. Cov roj muaj ntau qhov sib txawv ntawm H2 thiab CO cov khoom, thiab kev siv roj los tsim LNG, ethanol, ethylene glycol, thiab lwm yam, muaj txiaj ntsig zoo rau kev lag luam. Piv nrog rau kev lag luam thee chemical los tsim CO thiab H2 thiab tom qab ntawd tsim LNG, ethanol, ethylene glycol, nws muaj txiaj ntsig zoo dua.
Nrog rau kev thov kom txo cov pa roj carbon monoxide, tej yaam num xws li CO2 extraction thiab solidification ushered nyob rau hauv xov xwm zoo. Hauv kev lag luam metallurgical, xws li txiv qaub kiln flue gas thiab boiler flue roj nrog cov ntsiab lus CO2 loj. CO2 tuaj yeem siv rau hauv steel smelting, plua plav tiv thaiv, kev thauj mus los txias, kev lag luam khoom noj, thiab lwm yam, kev lag luam xav tau loj, thiab kev lag luam metallurgical muaj nws cov nqi kom zoo dua. Cov phiaj xwm photovoltaic tuaj yeem nqa qee qhov ntsuas carbon rau cov lag luam, thiab ntau lub tshuab steel kuj tseem tsim cov haujlwm photovoltaic, tab sis seb qhov sib txawv ntawm cov nqi hluav taws xob tuaj yeem coj cov txiaj ntsig rau cov lag luam kuj yog ib qho tseem ceeb qhia txog seb qhov project puas tuaj yeem tsaws.
4. Metallurgy txawj ntse
Kev lag luam metallurgical yuav ntxiv nrawm nrawm ntawm automation thiab cov ntaub ntawv thev naus laus zis hauv kev lag luam steel, thiab ua kom cov txheej txheem digitalization thiab kev txawj ntse. Centralized tswj chaw, unmanned khoom warehouse, neeg hlau ntsuas kub, soj ntsuam, sampling yuav ntau thiab ntau.
Nrog rau kev tso tawm thiab kev siv ntawm ntau lub teb chaws dual-carbon txoj cai, cov lag luam downstream hauv kev lag luam steel muaj kev xav tau ntau ntxiv rau tag nrho lub neej kev soj ntsuam cov ntaub ntawv ntawm cov khoom yuav, thiab lub neej voj voog kev ntsuam xyuas ntawm cov khoom steel thiab cov pa roj carbon hneev taw ntsuam xyuas raws li. nws tau dhau los ua haujlwm tseem ceeb rau covntsuab thiab qis-carbon txoj kev loj hlob ntawm steel kev lag luam thiab kom tau raws li cov kev xav tau ntawm cov neeg muas zaub downstream. Ua raws li cov khoom lag luam kev ntsuas lub neej yog ib qho tseem ceeb rau kev hloov kho rau lub teb chaws ntsuab, cov pa roj carbon tsawg thiab kev loj hlob zoo, txhawb kev txuag hluav taws xob thiab carbon txo cov lag luam hlau thiab hlau thiab txhim kho cov khoom lag luam.
● Hlau txuag hluav taws xob thiab kev tiv thaiv ib puag ncig
1. Kev rov ua dua tshiab thiab siv lub zog thib ob
Lub zog siv hluav taws xob ua haujlwm ntawm kev lag luam metallurgical tau nce xyoo los ntawm lub xyoo, ntawm ib sab, cov cuab yeej tshiab tau hloov kho dua tshiab, thiab kev siv hluav taws xob tau txo qis. Ntawm qhov tod tes, qhov kawg ntawm kev rov qab los ntawm lub zog thib ob, chav tsev kub ntawm qhov siab thiab nruab nrab saj rov qab tau nce ntxiv, thiab cov cua sov qis kuj tseem rov qab tau ib qho tom qab, thiab cov cua sov tuaj yeem siv tau rau hauv cov kauj ruam. Tus nqi calorific siab zog yog siv rau kev tsim hluav taws xob lossis tshuaj lom neeg, thiab cov khoom siv hluav taws xob tsawg yog siv los ua cua sov rau cov neeg nyob hauv nroog, aquaculture thiab lwm yam. Kev sib xyaw ua ke ntawm steel ntau lawm thiab tib neeg txoj kev ua neej tsis yog tsuas yog txhim kho kev lag luam ntawm kev lag luam, tab sis kuj hloov cov boilers me me thiab txo kev noj thiab carbon.
1.1 Hluav taws xob cua sov system
Tag nrho vaporization txias system, es tsis txhob ntawm cov thawj feem ntawm cov dej txias flue, zoo heev txhim kho cov chav rov qab ntawm tons ntawm hlau. Raws li qhov kev xyaum ua haujlwm, qhov siab dua ntawm cov pa hluav taws xob rov qab tuaj yeem ncav cuag 300kg / t ntawm cov hlau, uas yog ntau dua 3 npaug ntawm qhov qub rov qab.
1.2 Hloov ua lwm yam
Tus thawj flue gas purification txheej txheem ntawm converter feem ntau siv txoj kev qhuav. Raws li cov txheej txheem qhuav uas twb muaj lawm, cov cua sov seem ntawm qhov kub ntawm qhov sib txawv ntawm 1000 ℃ - 300 ℃ tsis zoo rov qab. Tam sim no, tsuas yog ob peb txheej ntawm cov cuab yeej tsav tsheb tau ua haujlwm luv luv.
1.3 Qhov cub tawg
Kev rov ua tiav tag nrho ntawm blast-qhov cub hluav taws xob tuaj yeem pom tau los ntawm kev rov qab los ntawm kev sib npaug ntawm cov pa sib npaug thiab cov roj cua tshuab. Tam sim no, feem ntau blast furnaces tsis xav txog kev rov qab los, lossis tsuas yog ib nrab rov qab.
1.4 Sintering
Rov ua dua cov khoom pov tseg los ntawm qhov kub thiab txias ntawm lub nplhaib txias rau kev tsim hluav taws xob; Cov dej kub tuaj yeem ua rau cov txheej txheem lossis cua sov tom qab rov qab los ntawm cov khib nyiab cua sov hauv nruab nrab qhov kub thiab txias seem ntawm lub nplhaib txias; Sintering flue gas ncig nyiam mus rau sab hauv, nws yog ib qho tsim nyog yuav tsum tau ua kom lub siab siab kiv cua, kiv cua tshiab thiab txhawb cov khoom siv hluav taws xob.
Loj flue pov tseg tshav kub, lub nplhaib cua txias khib nyiab ntxiv rau kev tsim hluav taws xob, tab sis kuj tseem siv rau kev siv lub tshuab hluav taws xob thiab hluav taws xob ob npaug rau kev tsav lub kiv cua tseem ceeb, txhim kho kev siv hluav taws xob, txo qhov kev sib txuas, txhim kho kev lag luam.
1.5 Caug
Ntxiv nrog rau cov tsoos qhuav quenching coke, coke ncig ammonia, thawj lub tshuab txias, khib nyiab cua sov, qhov nce yeeb nkab khib nyiab cua sov, flue gas khib nyiab cua sov tau siv.
1.6 Hlau Rolling
Kev siv cov khib nyiab cua sov los ntawm flue roj ntawm steel dov cua sov rauv thiab cua sov kho rauv. Thaum tshav kub kub yog qhov tsis zoo ntawm cov cua sov, thiab qhov kawg desulfurization kub yuav tsum tau siv rau kev tsim cov dej kub.
2. Lub tswv yim ntawm kev tiv thaiv ib puag ncig thiab ultra-low emission yog tob tob hauv tib neeg lub siab
2.1 Kev ua haujlwm ib puag ncig ntawm txhua lub zeb steel yog A
Txhawm rau txo qis kev tiv thaiv ib puag ncig thiab ua kom cov khoom lag luam ib txwm muaj, ntau lub mills sab qaum teb tau ua tiav xuas nrig ntaus A, txawm tias cov tuam txhab steel sab qaum teb uas tsis tau ua tiav kev xuas nrig ntaus A, muaj ntau lub tuam txhab steel yav qab teb, kuj tseem ua haujlwm hauv. qhov kev taw qhia. Cov dej num tseem ceeb yog cov chaw tshem tawm plua plav, desulfurization thiab denitrification cov chaw, cov khoom siv rau hauv lub tsev rau khoom, txo kev tsaws, plua plav cov ntsiab lus kaw, plua plav tawm thiab lwm yam.
2.2 Carbon, electrolytic aluminium kev lag luam
Cov pa roj carbon, electrolytic aluminium kev lag luam ib puag ncig tiv thaiv nuj nqis ntau dua, aluminium, roob aluminium thiab lwm yam lag luam yog nyob rau hauv ib puag ncig kev ua haujlwm ntawm A ua haujlwm.
2.3 Kev kho ntawm peb qhov pov tseg
Kev tiv thaiv ib puag ncig yuav tsum muaj cov khoom pov tseg tsis tawm hauv lub Hoobkas, cov dej khib nyiab kom ua tau raws li cov qauv kev tso tawm. Ntawm qhov tod tes, cov tuam txhab hlau thiab hlau tau qhuav thiab nyem cov khoom xyaw, thiab qhov kawg pov tseg thiab pov tseg yog ua raws. Kev ua lag luam xav tau cov txheej txheem tshiab thiab thev naus laus zis rau kev kho cov roj pov tseg, cov khoom pov tseg uas muaj cov pa roj carbon, hlau, cov khib nyiab pov tseg, av av thiab phenol cyanide cov dej khib nyiab, cov dej ntsev ntsev thiab cov dej khib nyiab txias.
2.4 Gas purification
Nrog rau kev txhim kho ntawm kev tiv thaiv ib puag ncig, cov roj siv rov qab tuaj yeem sau tau tib lub sijhawm, thiab cov kev xav tau tshiab kuj tau muab tso rau hauv qhov zoo ntawm cov roj. Cov txheej txheem purification ib txwm siv ntawm coke cub gas thiab blast furnace gas txiav txim siab tshem tawm cov plua plav thiab inorganic sulfur, thiab tam sim no yuav tsum tau tshem tawm cov organic sulfur. Kev ua lag luam xav tau cov txheej txheem tshiab thiab cov cuab yeej tshiab rau qhov kev thov no.
2.5 Oxygen-nplua nuj combustion tshuab, ntshiab oxygen combustion
Txhawm rau txhim kho kev siv cov pa oxygen thiab txo qis kev noj roj, cov pa oxygen nplua nuj lossis cov pa ntshiab huv yog siv rau hauv cov cua kub cua sov, qhov cub thiab boiler.
Post lub sij hawm: Jun-13-2023