Eminyakeni yamuva, amabhizinisi metallurgical global ngokusebenzisa ukuhlanganiswa kanye zithengwa, imboni lokuhlushwa uyaqhubeka anda. Uma kufika ku-2023, izinzuzo zemboni yensimbi sezingene esikhathini sokwehla, ikakhulukazi ngenxa yokukhuphuka kwezindleko zezinye izinto zokusetshenziswa kanye nokwehla okukhulu kwamanani ensimbi, okubangele ukwehla kwezinzuzo zebhizinisi. Ngokwesimo ngasinye, ukuphila sekube yindikimba yalo nyaka, ukuncishiswa kwephrojekthi ngayinye, ukugxila okulinganiselwe ekuthuthukiseni inqubo nokuthuthukiswa, ukuthuthukiswa kwekhabhoni ephansi eluhlaza kanye nokukhiqiza okuhlakaniphile. Okufana nezinguquko "ze-ultra-low emission" namandla "amandla amakhulu kakhulu", futhi kusheshiswe ukuqanjwa okusha kobuchwepheshe bekhabhoni ephansi kanye noguquko lwedijithali emkhakheni wezimboni.
● Ukuncibilika kwensimbi
1. Izinguquko zokuncibilikisa okusekelwe kukhabhoni ekuncibilikiseni i-hydrogen-based
Indlela yokuncibilikisa insimbi nensimbi ye-hydrogen metallurgy, kodwa umthombo wamanje we-hydrogen eluhlaza unomkhawulo, ngale nkinga, esikhathini esifushane sokuncibilika kwesithando somlilo kusetshenziswa igesi ye-coke oven esikhundleni se-coke njenge-ejenti yokunciphisa, njenge-XIYE Iron ne-Steel hydrogen- isithando somlilo esisekelwe ku-shaft, kanye ne-modular izinga lokushisa eliphakeme legesi epholile amandla enuzi nawo ayaphindwa. Ukukhiqizwa kwe-hydrogen kusuka kugesi we-coke oven emisebenzini yensimbi.
2. Inqubo emfushane yokuncibilika
Ngenxa yokucindezela kokuvikelwa kwemvelo, ukuncibilika kwenqubo emfushane kuzokwandisa isilinganiso. Ubuchwepheshe bokwenza insimbi bokunciphisa ukuncibilika njengesithando somlilo sikagesi.
3. Ukukhiqiza ngokubambisana okunolaka
Sekuyisikhathi eside, enye yezindlela eziyinhloko ezisetshenziswa yi-steel by-product gas ukushisa ukushisa. Nakuba lezi zisebenzisa amandla okushisa egesi, inani lawo alizange liboniswe ngokugcwele. Igesi iqukethe izilinganiso ezihlukene zezingxenye ze-H2 ne-CO, kanye nokusetshenziswa kwegesi ukukhiqiza i-LNG, i-ethanol, i-ethylene glycol, njll., kunezinzuzo ezinhle zezomnotho. Uma kuqhathaniswa nemboni yamakhemikhali yamalahle ukukhiqiza i-CO ne-H2 bese ikhiqiza i-LNG, i-ethanol, i-ethylene glycol, inenzuzo enkulu yezindleko.
Ngesidingo sokuncishiswa kwekhabhoni, amaphrojekthi afana nokukhipha i-CO2 nokuqinisa alethe izindaba ezinhle. Emabhizinisini e-metallurgical, afana ne-lime kiln flue gas ne-boiler flue gas enokuqukethwe okukhulu kwe-CO2. I-CO2 ingasetshenziswa ekuncibilikiseni insimbi, ukucindezelwa kothuli, ukuthutha okubandayo, imboni yokudla, njll., isidingo semakethe sikhulu, futhi imboni yensimbi inenzuzo yayo yezindleko. Amaphrojekthi we-Photovoltaic angaletha izinkomba ezithile zekhabhoni emabhizinisini, futhi izigayo eziningi zensimbi nazo zakha amaphrojekthi we-photovoltaic, kodwa ukuthi umehluko wamanani kagesi ungaletha izinzuzo kumabhizinisi futhi kuyinkomba ebalulekile yokuthi iphrojekthi ingahlala yini.
4. Ubuhlakani beMetallurgy
Imakethe ye-metallurgical izophinde isheshise ijubane lokuzenzakalela kanye nobuchwepheshe bolwazi embonini yensimbi, futhi isheshise inqubo yokwenza idijithali kanye nezobuhlakani. Isikhungo sokulawula esimaphakathi, indawo yokugcina impahla engenamuntu, ukukalwa kwezinga lokushisa kwamarobhothi, ukuhlolwa, ukusampula kuzokwanda.
Ngokukhishwa kanye nokuqaliswa kwezinqubomgomo kazwelonke ezihlukahlukene ze-dual-carbon, amabhizinisi aphansi embonini yensimbi anesidingo esikhulayo sayo yonke idatha yokuhlola umjikelezo wempilo yemikhiqizo ethengiwe, kanye nokuhlolwa komjikelezo wempilo wemikhiqizo yensimbi kanye nokuhlolwa kwe-carbon footprint okusekelwe sekuwumsebenzi obalulekile kwabaukuthuthukiswa kwemboni yensimbi eluhlaza kanye nekhabhoni ephansi kanye nokuhlangabezana nezidingo zamakhasimende asezansi nomfula. Ukuhlola umjikelezo wokuphila komkhiqizo kuyisinyathelo esibalulekile sokuzivumelanisa nentuthuko kazwelonke eluhlaza, ikhabhoni ephansi kanye nekhwalithi ephezulu, ukukhuthaza ukonga amandla kanye nokunciphisa ikhabhoni emabhizinisini ensimbi nensimbi futhi kuthuthukiswe ukuthonywa komkhiqizo.
● Ubuchwepheshe bokonga amandla ensimbi nokuvikela imvelo
1. Ukugaywa kabusha okudlulele kanye nokusetshenziswa kwamandla esibili
Ukusebenza kahle kokusetshenziswa kwamandla embonini yensimbi kuye kwanda unyaka nonyaka, ngakolunye uhlangothi, imishini emisha ithuthukisiwe, nokusetshenziswa kwamandla kwehlisiwe. Ngakolunye uhlangothi, ukutholakala kokugcina kwamandla esibili, ukushisa kweyunithi yokubuyisela ukunambitheka okuphakeme nokuphakathi kuyaqhubeka nokwanda, futhi ukushisa okuphansi kuyabuyiselwa ngokulandelana, futhi ukushisa kungasetshenziswa ngezinyathelo. Amandla e-calorific aphezulu asetshenziselwa ukukhiqiza amandla noma ukukhiqizwa kwamakhemikhali, futhi inani eliphansi le-calorific energy lisetshenziselwa ukufudumeza izakhamuzi zasemadolobheni ezizungezile, i-aquaculture nokunye. Ukuhlanganiswa kokukhiqizwa kwensimbi nokuphila kwabantu akugcini nje ukuthuthukisa ukusebenza kahle kwezomnotho kwamabhizinisi, kodwa futhi kuthatha indawo yama-boilers amancane futhi kunciphisa ukusetshenziswa kanye nekhabhoni.
1. 1 Uhlelo lwesithando somlilo sikagesi
Isistimu yokupholisa egcwele umhwamuko, esikhundleni sengxenye yokuqala yomthombo wokupholisa amanzi, ithuthukisa kakhulu ukutholwa kwesitimu samathani ensimbi. Ngokusho komkhuba wephrojekthi, ithani eliphakeme lokubuyiswa kwesitimu sensimbi lingafinyelela ku-300kg/t wensimbi, okungaphezu kokuphindwe izikhathi ezingu-3 ukutholakala kokuqala.
1.2 Isiguquli
Inqubo eyinhloko yokuhlanza igesi ye-flue yesiguquli ngokuvamile isebenzisa indlela eyomile. Ngaphansi kwenqubo eyomile ekhona, ukushisa okusalayo okuvela kumehluko wezinga lokushisa ongu-1000℃-300℃ akutholakali. Njengamanje, amasethi ambalwa kuphela emishini yokuhlola asebenza isikhathi esifushane.
1.3 Isithando somlilo esiqhumayo
Ukubuyiselwa okuphelele kwegesi yesithando somlilo kungabonakala ngokutholwa kwegesi yokulinganisa ukucindezela kanye negesi yokuqhumisa. Njengamanje, iziqhumane eziningi zomlilo azicabangi ukubuyisela, noma ukubuyisela kancane.
1.4 Ukucula
Sebenzisa kabusha ukushisa kwemfucuza engxenyeni yokushisa ephezulu ye-ring cooler ukukhiqiza amandla; Amanzi ashisayo angakhiqizwa ukuze acutshungulwe noma ashiswe ngemva kokuthola ukushisa okulahlwayo endaweni yokushisa ephakathi nendawo kanye nesigaba sokushisa esiphansi sendawo yokupholisa iringi; I-Sintering flue gas circulation ijwayele ukujikeleza kwangaphakathi, kuyadingeka ukwandisa i-high pressure circulation fan, fan air fresh kanye nemishini kagesi esekelayo.
Ukushisa okukhulu kwemfucuza ye-flue, ukushisa kwemfucuza okupholisa indandatho ngaphezu kokukhiqizwa kwamandla, kodwa futhi kusetshenziselwa ukusetshenziswa kwe-steam kanye nobuchwepheshe bokudonsa kabili kagesi ukushayela fan enkulu yokukhipha, ukuthuthukisa ukusebenza kahle kokusetshenziswa komusi, ukunciphisa isixhumanisi sokuguqula, ukuthuthukisa izinzuzo zezomnotho.
1.5 Ukupheka
Ngaphezu kwe-coke yokucisha eyomile yendabuko, i-coke circulation ammonia, i-cooler yokuqala, ukushisa kwemfucuza, ukushisa kwemfucuza yepayipi elikhuphukayo, ukushisa kwemfucuza ye-flue gas kusetshenzisiwe.
1.6 Ukugingqika kwensimbi
Ukusetshenziswa kokushisa kwemfucuza okuvela ku-flue gas yesithando somlilo esiginqikayo sensimbi nesithando somlilo sokushisa. Ukushisa kuwumthombo wokushisa wekhwalithi ephansi, futhi izidingo zokushisa ze-desulfurization ekugcineni zivame ukusetshenziselwa ukukhiqizwa kwamanzi ashisayo.
2. Umqondo wokuvikelwa kwemvelo kanye nokukhipha umoya ophansi kakhulu ugxile ezinhliziyweni zabantu
2. 1 Ukusebenza kwemvelo kwendawo ngayinye yensimbi ngu-A
Ukuze kuncishiswe ingcindezi ekuvikelweni kwemvelo futhi kuqinisekiswe ukukhiqizwa okuvamile, izigayo eziningi zensimbi ezisenyakatho seziqedile ukushaya u-A, ngisho noma amabhizinisi ensimbi asenyakatho angakaqedi ukubhoboza A, kunenani elikhulu lamabhizinisi ensimbi aseningizimu, nawo asebenza ku. lesi siqondiso. Imisebenzi eyinhloko izikhungo zokususa uthuli, izinsiza ze-desulfurization kanye ne-denitrification, izinto zokwakha endaweni yokugcina impahla, ukunciphisa ukufika, izindawo zokukhiqiza uthuli zivaliwe, ukucindezelwa kothuli nokunye.
2.2 Imboni ye-Carbon, imboni ye-aluminium ye-electrolytic
I-Carbon, i-electrolytic aluminium imboni yokuvikela izikweletu izikweletu zokuvikela imvelo ngaphezulu, i-aluminium, i-aluminiyamu yasezintabeni namanye amabhizinisi asekusebenzeni kwemvelo komsebenzi we-A.
2.3 Ukwelashwa kwemfucuza emithathu
Izidingo zokuvikela imvelo imfucuza eqinile ayishiyi imboni, amanzi angcolile ukuze ahlangabezane nezindinganiso zokukhishwa. Ngakolunye uhlangothi, izinkampani zensimbi nezensimbi zomile futhi zakhama izithako, futhi ukukhishwa kwemfucuza kokugcina nokulahlwa kuyahambisana. Imakethe idinga izinqubo ezintsha kanye nobuchwepheshe bokwelapha igesi engcolile, imfucuza eqinile equkethe ikhabhoni, insimbi, imfucuza eyingozi, ukungcoliswa komhlabathi kanye namanzi angcolile e-phenol cyanide, amanzi anosawoti agxilile kanye namanzi angcolile abandayo.
2.4 Ukuhlanzwa kwegesi
Ngokuthuthukiswa kwezidingo zokuvikelwa kwemvelo, igesi evuselelwe ingaqoqwa ngesikhathi esifanayo, futhi izidingo ezintsha nazo zibekwe phambili ngekhwalithi yegesi. Inqubo yendabuko yokuhlanza igesi ye-coke oven kanye negesi yesithando somlilo ibheka ukususwa kothuli nesibabule esingaphili, futhi manje idinga ukususwa kwesibabule esiphilayo. Imakethe idinga izinqubo ezintsha kanye nemishini emisha yalesi sidingo.
2.5 Ubuchwepheshe bokuvutha obunothe nge-oxygen, ukuvutha komoyampilo okumsulwa
Ukuze kuthuthukiswe izinga lokusebenzisa umoya-mpilo futhi kuncishiswe ukusetshenziswa kwegesi, ukushiswa kwe-oksijini okucebile noma okumsulwa kusetshenziswa esithandweni sokushisa, kuhhavini nakubhayela.
Isikhathi sokuthumela: Jun-13-2023