Ntxiv dag zog rau kev koom tes ntawm kev siv hluav taws xob thiab kev txo qis carbon
Takahiro Kawaguchi, Tus Thawj Coj ntawm Mitsubishi Power Gas Turbine Engineering Technology (Nanjing) Co., Ltd, tau hais hauv nws cov lus hais tias, "Nyob rau hauv thawj ib nrab ntawm lub xyoo no, vim yog kev sib cog lus ntawm kev thov, kev poob siab, thiab qhov tshwm sim ntawm New Crown Pneumonia. , cov txiaj ntsig ntawm kev lag luam hlau thiab hlau tau poob qis heev, thiab cov nqi ntawm cov khoom lag luam tau qis dua thoob ntiaj teb, kev loj hlob sai ntawm xoom-carbonization, kev siv hluav taws xob hydrogen, thiab cov thev naus laus zis thev naus laus zis tau ua rau muaj kev hloov pauv loj. Kev lag luam ib puag ncig nrog rau cov neeg siv khoom xav tau Nyob rau hauv lub ntsej muag ntawm kev ua lag luam nyuaj, Mitsubishi txaus siab ua haujlwm koom tes nrog Suav tuam txhab hlau los txhawb kev koom tes ntawm kev txuag hluav taws xob thiab txo cov pa roj carbon monoxide. "
Xu Xiufu, Tus Thawj Coj General ntawm Mitsubishi Power Gas Turbine Engineering Technology (Nanjing) Co., Ltd, tau hais tias, "Nrog rau kev qhib lub teb chaws cov pa roj carbon emissions voj voog kev lag luam lag luam, cov pa roj carbon txo qis ntawm CCPP generating sets (gas-steam together cycle generating sets) ). yog ib qho kev ntsuas zoo rau kev txuag hluav taws xob thiab kev txo qis hauv kev lag luam steel hauv Mitsubishi CCPP generating units kom deb li deb tau tsim ntau tshaj 200 billion kWh ntawm hluav taws xob, txuag ntau tshaj 58 lab tons ntawm cov txheej txheem thee rau hlau thiab steel kev lag luam, thiab txo cov pa roj carbon dioxide emissions los ntawm ntau tshaj 150 lab tons Piv nrog rau high-temperature, high-pressure thiab ultra-high-pressure boiler-generator sets tsim nyob rau tib lub sij hawm, lub CCPP generator teev yog ntau tshaj 30% ua ntej nyob rau hauv tag nrho cov ntsuas. ."
Txog rau tam sim no, 33 Mitsubishi CCPP generator teeb ntawm ntau yam qauv tau siv rau hauv kev lag luam steel hauv tsev, ntawm 30 tau muab tso rau hauv kev ua haujlwm thiab 3 tab tom tsim. Lub sijhawm ua haujlwm sib txuas ntawm cov chaw ua haujlwm tau tshaj 2.37 lab teev, nrog rau qhov muaj ntau dua 99%, tshem tawm cov kev lag luam steel thawj qhov kev txhawj xeeb txog kev ua haujlwm kev ntseeg siab ntawm CCPP generator sets.
Txhim kho cov cuab yeej siv hluav taws xob tsawg
Kev tsim kho cov pa roj carbon tsawg yog cov ntsiab lus tseem ceeb los daws cov teeb meem ntawm ib puag ncig, lub zog thiab cov peev txheej thiab txhawb kev txhim kho kev lag luam zoo, nrog rau lub ntsiab lus tseem ceeb thiab lub hom phiaj kawg.
Gao Xue, Tus Lwm Thawj Coj Tus Thawj Coj ntawm Metallurgical Industry Planning and Research Institute, tau hais tias: "Qhov tseem ceeb loj thiab nruab nrab ntawm cov hlau thiab steel cov lag luam sawv cev rau qib siab ntawm kev lag luam kev loj hlob. kev siv zog ntawm tons ntawm cov hlau tseem ceeb ntawm cov hlau loj thiab nruab nrab thiab cov lag luam steel thoob plaws hauv 2021 yuav yog 549.24 kg tus qauv thee, qhov txo qis ntawm 0.59 kg txheem thee piv nrog 2020, Kev txo qis ntawm 0.11% Piv nrog rau xyoo 2015, qhov feem pua ntawm kev txo qis hauv kev siv hluav taws xob zoo ib tuj ntawm cov hlau mus txog 4%.
Gaoxue tau qhia tias piv nrog 2020, cov roj coke qhov cub tso tawm xyoo 2021 tau txo qis los ntawm 0.39 feem pua cov ntsiab lus lossis 40.17%; qhov blast furnace tso tawm tus nqi txo los ntawm 0.08 feem pua cov ntsiab lus lossis 6.30%; thiab cov ton ntawm steel rov qab los ntawm converter roj mus txog 119.2 cubic meters, nce 1.40%. Tus nqi ntawm cov khoom siv hluav taws xob pov tseg thiab lub zog ntawm tus kheej tsim, uas sawv cev rau theem nrab ntawm kev siv hluav taws xob hauv kev lag luam, maj mam nce 10 feem pua ntawm cov ntsiab lus ntawm 44% hauv 2015 txog 54% hauv 2021.
Raws li kev txheeb cais tsis tiav, xyoo 2020, 55 CCPP generator teeb nrog tag nrho cov peev txheej ntawm 6,156 MW tau tsim nyob rau hauv cov ntaub ntawv tseem ceeb steel tuam txhab hauv Suav teb.In 2020, 357 chav generator teeb nrog tag nrho cov peev txheej ntawm 2,386 MW tau tsim hauv qhov tseem ceeb. Nyob rau hauv 2020, ze li ntawm 700 gas boiler generator teeb nrog ib tug tag nrho ntsia muaj peev xwm ntawm 34,730 MW, ib xyoo-rau-xyoo nce ntawm 3,130 MW. Raws li kev txheeb cais, lub teb chaws qhov nruab nrab ntawm tus kheej tsim nyob rau hauv 2021 yuav nyob ib ncig ntawm 54%.
Txhawm rau txhim kho daim ntawv thov qib ntawm cov thev naus laus zis hloov pauv cov pa roj carbon tsawg, Gao Xue tau muab tso rau peb cov lus qhia: Ua ntej, txhawb nqa qib ntawm kev siv hluav taws xob hluav taws xob hauv coke ncu, cov txheej txheem txheej txheem thev naus laus zis xws li thee txuag thiab coke txo qis hauv qhov cub tawg, txhim kho. lub efficiency ntawm kev siv thee, thiab txhawb kev hloov pauv ntawm lub zog. Qhov thib ob yog txhawm rau nce qhov feem pua ntawm cov hluav taws xob hluav taws xob hauv kev siv hluav taws xob kawg ntawm kev lag luam hlau thiab hlau, txhim kho kev ua haujlwm ntawm kev siv hluav taws xob, thiab tawm tswv yim thiab txhawb nqa CCPP high-efficiency zog tsim tshuab. Thib peb, siv zog tsim lub zog khaws cia thev naus laus zis, tso siab rau cov tuam txhab hlau thiab hlau cov roj hluav taws xob tsim hluav taws xob thiab cov khoom siv hluav taws xob pov tseg, raws li cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob molten cua sov, cia siab rau lub zog digitization platform, thiab siv ntau lub zog sib koom ua ke. thev naus laus zis ua ke nrog lub sijhawm sib koom cov nqi, kev lag luam hluav taws xob, thiab lwm yam, txhawm rau txhim kho lub peev xwm kho tau ntawm cov hlau thiab steel tuam txhab lub zog, kom cov tuam txhab hlau thiab hlau tuaj yeem ua cov haujlwm tseem ceeb ntawm shaving peaks thiab sau hauv hav, teb. mus rau qhov kev thov sab, thiab txhawb kev noj cov khoom siv hluav taws xob tshiab, thiab daws cov teeb meem tshwm sim los ntawm kev nkag mus rau cov khoom siv hluav taws xob loj dua tshiab. Nws kuj daws teeb meem ntawm lub regional qhov chaw-load mismatch tshwm sim los ntawm loj-scale tauj dua tshiab zog nkag, txhim khu kev sib tham muaj peev xwm ntawm qhov chaw-network-load, sib npaug zos cheeb tsam kev siv zog, thiab txhim kho tus nqi ntawm lub zog.
Kev txhim kho ntawm tus kheej tiam efficiency
Thaum lub sij hawm "14th Tsib-xyoo Plan", nyob rau hauv kev tswj dual kev txo cov pa roj carbon monoxide thiab lub zog noj, lub peev xwm ntawm cov hlau thiab steel kev lag luam yuav raug tswj nruj me ntsis, ntxiv yuam cov lag luam los txhim kho efficiency, txo carbon, txo nqi thiab nce. efficiency.
Yong Yizheng, Tus Thawj Coj Engineer ntawm Mitsubishi Power Gas Turbine Engineering Technology (Nanjing) Co., Ltd, tau hais tias, "Raws li keeb kwm ntawm kev txuag hluav taws xob thiab kev txo qis, kev lag luam hlau thiab hlau tau nce qhov feem ntawm nws tus kheej tsim hluav taws xob los ntawm cov pa roj. , thiab nyob rau hauv qhov tsis muaj qhov tseem ceeb ntawm kev tsim muaj peev xwm, piv nrog rau tag nrho cov tsim hluav taws xob tsim hluav taws xob rau tus kheej, qhov kawg ntawm 'Kaum Peb Hlis Tsib Xyoo' tau nce los ntawm 12.8 feem pua txawm tias tag nrho nws tus kheej tsim qib ntawm hlau thiab hlau cov tuam txhab tau txhim kho, qhov nruab nrab qhov tsis sib xws generators sawv cev los ntawm ob-super thiab subcritical account rau feem ntau ntawm kev lag luam, thiab feem ntau ntawm cov khoom siv hluav taws xob loj CCPP tau teeb tsa nrog lub zog tsim hluav taws xob ntau dua 45% tseem yog qhov tseem ceeb. me me CCPP generator teeb tsa lub peev xwm ntawm 2983 MW, tib lub sijhawm nrog Nyiv kev lag luam steel loj CCPP lub tshuab hluav taws xob teeb tsa muaj peev xwm ntawm 2363 MW, dhau los ntawm Tuam Tshoj 1 billion tons ntawm hlau thiab hlau tsim muaj peev xwm thiab Nyiv 90 lab tons ntawm hlau thiab hlau tsim. Muaj peev xwm sib piv kev soj ntsuam ntawm Tuam Tshoj txoj kev lag luam hlau thiab hlau ua haujlwm siab tshaj plaws blast rauv roj hluav taws xob tsim tshuab muaj ntau chav rau kev txhim kho. "
Jiang Zuoming, Tus Thawj Saib Xyuas Kev Ua Haujlwm ntawm Chaw Ua Haujlwm ntawm Anshan Energy Control No.2 Fais Fab Cog, tau hais tias, "Anshan Iron & Steel muab qhov tseem ceeb rau kev tiv thaiv ib puag ncig thiab kev txhim kho kev lag luam rov ua dua tshiab, thiab ib txwm ua raws li lub tswv yim ntawm 'kev tsim kho tshiab'. . calorific nqi; lub cav combustion thiab chav cav yog teem nyob rau hauv ob shafts, uas muaj peev xwm ntawm cua sov rau cov pej xeem thiab txo cov pa phem ntawm lub nroog los ntawm cov thee-fired cua sov boiler los ntawm qhov tob tapping ntawm muaj peev xwm thiab optimization ntawm kev ua haujlwm, lub zog tsim hluav taws xob nce mus txog ntau dua 47.3%, uas yog siab dua li cov pa roj boiler chav tsev;
Zhang Jianqiu, combustion engine engineer ntawm lub zog tsim hluav taws xob faib ntawm Maanshan Steel Lub Zog thiab Ib Cheeb Tsam Chaw Haujlwm, tau hais tias, "Lub tuam txhab Lub Zog thiab Ib Cheeb Tsam Lub Tuam Txhab tau txais thawj cov khoom siv hluav taws xob qis qis hauv ib leeg-ncej M701SDAX CCPP generator teeb, chav tsev yog tsim los kom muaj cov khoom siv hluav taws xob tsawg. rated load ntawm 183 megawatts, nrog ib tug tsim thermal efficiency ntawm ntau tshaj 47% thiab ib tug ntsuas efficiency ntawm ntau tshaj 48%, thiab ib xyoos ib zaug muaj peev xwm tsim muaj peev xwm ntawm 1,427.4 lab kilowatt-teev nws muaj peev xwm tag nrho recycle thiab siv cov khoom siv roj nplua nuj tsim los ntawm hlau thiab steelmaking, txo cov pa dispersion, tiv thaiv ecological ib puag ncig thiab txhim kho tus kheej tiam efficiency. "
"Txij li thaum lub commissioning ntawm 183 MW CCPP generating unit ntawm Masteel Beihu fais fab nroj tsuag, nws tau paub tas mus li muaj kev ruaj ntseg thiab ruaj khov nyob rau hauv lub voj voog ntev, thiab tau tsim tag nrho ntawm 780.3 lab kWh ntawm hluav taws xob txij lub Ib Hlis Ntuj mus rau Lub Rau Hli 2022, nrog rau cov khoom thauj. ntawm 99%, paub txog qhov xwm txheej yeej-yeej ntawm kev lag luam, kev sib raug zoo thiab ib puag ncig cov txiaj ntsig. " Zhang Jianqiu hais.
Txhawm rau txhawm rau txhim kho qhov zoo thiab ua haujlwm tau zoo thiab txo qis kev siv cov pa roj carbon emissions, Mitsubishi Power yog tam sim no ua cov kev tshawb fawb thiab kev loj hlob ua hauj lwm ntawm ntau npaum thiab miniaturized CCPP generator teeb rau steel tuam txhab uas muag. Nyob rau tib lub sijhawm, Mitsubishi Power tseem tab tom tsim hydrogen- thiab ammonia-hluav taws xob roj turbines, thev naus laus zis uas yuav siv cov pa roj carbon monoxide tag nrho thiab paub txog xoom carbon emissions.
