Mako guda bayan fitar da dabarun gwamnatin Burtaniya na hydrogen, an fara gwajin amfani da hydrogen 100% wajen samar da gilashin ruwa a yankin Liverpool, wanda shi ne karon farko a duniya.
Za a maye gurbinsa da makamashin burbushin halittu kamar iskar gas da aka saba amfani da shi wajen samarwa gaba daya da hydrogen, wanda hakan ke nuna cewa masana'antar gilashin na iya rage yawan hayakin Carbon da daukar wani babban mataki na cimma burin sifiri.
An gudanar da gwajin ne a masana'antar St Helens da ke Pilkington, wani kamfanin gilasai na Biritaniya, inda kamfanin ya fara kera gilashin a shekarar 1826. Domin kawar da Carbonize da kasar Burtaniya, kusan dukkanin sassan tattalin arziki na bukatar a canza su gaba daya.Masana'antu sun kai kashi 25% na duk hayakin da ake fitarwa a Burtaniya, kuma rage fitar da hayaki yana da matukar muhimmanci idan kasar za ta kai "net zero."
Koyaya, masana'antu masu ƙarfin kuzari suna ɗaya daga cikin ƙalubale mafi wahala don fuskantar.Fitar da masana'antu, kamar masana'antar gilashi, yana da wahala musamman don rage hayaki-ta wannan gwaji, mun kasance mataki ɗaya kusa da shawo kan wannan cikas.Aikin "HyNet Industrial Fuel Conversion" wanda aka kaddamar yana gudana ne ta hanyar Progressive Energy, kuma hydrogen yana samar da BOC, wanda zai samar da HyNet da kwarin gwiwa wajen maye gurbin iskar gas da ƙananan hydrogen.
Ana ɗaukar wannan a matsayin babban nuni na farko a duniya na konewar hydrogen 100% a cikin muhallin samar da gilashin ruwa (sheet) mai rai.Gwajin Pilkington a Burtaniya na daya daga cikin ayyuka da dama da ke gudana a arewa maso yammacin Ingila don gwada yadda hydrogen zai iya maye gurbin mai a masana'antu.Daga baya wannan shekarar, za a gudanar da ƙarin gwaji na HyNet a Port Sunlight, Unilever.
Wadannan ayyukan nunin za su goyi bayan sauya gilashin, abinci, abin sha, wutar lantarki da masana'antar sharar gida zuwa amfani da karancin sinadarin hydrogen don maye gurbin amfani da makamashin burbushin halittu.Dukkan gwaje-gwajen biyu sun yi amfani da hydrogen da BOC ke bayarwa.A cikin Fabrairu 2020, BEIS ta ba da fam miliyan 5.3 a cikin kudade don aikin Canjin Man Fetur na Masana'antar HyNet ta hanyar aikin haɓaka makamashi.
“HyNet za ta kawo ayyukan yi da bunkasar tattalin arziki a yankin Arewa maso Yamma da kuma fara tattalin arzikin kasa mai karamin karfi.Mun mayar da hankali kan rage hayaki, da kare 340,000 masana'antu ayyukan yi a yankin Arewa maso yamma, da kuma samar da fiye da 6,000 sababbin ayyuka na dindindin., Sanya yankin a kan hanyar zama jagora a duniya wajen samar da makamashi mai tsabta."
Matt Buckley, babban manajan Burtaniya na Pilkington UK Ltd., wani reshen NSG Group, ya ce: "Pilkington da St Helens sun sake tsayawa a kan gaba wajen kirkirar masana'antu kuma sun gudanar da gwajin hydrogen na farko a duniya kan layin samar da gilashin iyo."
"HyNet zai zama babban mataki don tallafawa ayyukan mu na lalata.Bayan makonni da yawa na cikakken gwaje-gwajen samarwa, an sami nasarar tabbatar da cewa yana yiwuwa a yi aiki da masana'antar gilashin iyo tare da hydrogen cikin aminci da inganci.Yanzu muna sa ran tunanin HyNet ya zama gaskiya. "
Yanzu, ƙarin masana'antun gilashin suna haɓaka R&D da sabbin fasahohin ceton makamashi da rage fitar da iska, da kuma amfani da sabbin fasahar narkewa don sarrafa makamashin samar da gilashi.Editan zai lissafa muku guda uku.
1. Fasahar konewar iskar oxygen
Konewar iskar oxygen yana nufin tsarin maye gurbin iska tare da iskar oxygen a cikin aikin konewar mai.Wannan fasaha ta sa kusan kashi 79% na nitrogen da ke cikin iska ba sa shiga cikin konewar, wanda zai iya ƙara zafin harshen wuta da kuma hanzarta saurin konewa.Bugu da kari, iskar gas da ke fitar da iskar iskar gas a lokacin konewar iskar iskar gas ta kai kashi 25% zuwa 27% na konewar iska, haka nan kuma an inganta yanayin narkewar sosai, wanda ya kai kashi 86% zuwa 90%, wanda ke nufin yankin da ake bukata na tanderun. don samun adadin gilashin ya rage.Karami.
A watan Yuni na shekarar 2021, a matsayin muhimmin aikin tallafawa masana'antu a lardin Sichuan, fasahar lantarki ta Sichuan Kangyu ta kaddamar da aikin kammala aikin ginin katakin konewar iskar iskar gas, wanda ke da yanayin canza wuta da kuma kara zafi.Aikin gine-ginen shine "matsakaicin bakin ciki na lantarki mai rufe gilashin gilashin, gilashin gilashin ITO", wanda a halin yanzu shine layin samar da gilashin lantarki mafi girma na kilon guda biyu mai dauke da iskar oxygen konewa a cikin kasar Sin.
Sashen narkewa na aikin yana ɗaukar konewar iskar oxygen-fuel + fasahar haɓaka wutar lantarki, dogaro da iskar oxygen da konewar iskar gas, da narkewar ƙarin ta hanyar haɓaka wutar lantarki, da sauransu, wanda ba wai kawai zai iya adana 15% zuwa 25% na yawan man fetur ba, amma har ma. ƙara da kiln Abubuwan da ake fitarwa a kowane yanki na tanderun yana ƙara yawan aikin samarwa da kusan 25%.Bugu da kari, yana iya rage yawan hayakin iskar gas, rage yawan iskar NOx, CO₂ da sauran iskar oxygen da ake samarwa ta hanyar konewa da sama da 60%, da kuma magance matsalar tushen iska!
2. Fasahar hana bututun iskar gas
Ka'idar fasahar hana bututun hayaki shine a yi amfani da oxidant don oxidize NOX zuwa NO2, sannan kuma NO2 da aka samar ana shayar da shi ta ruwa ko maganin alkaline don cimma ƙin yarda.Fasahar ta kasu kashi-kashi zuwa zabin rage rage rage yawan kuzari (SCR), zaɓin rage rage rage yawan kuzari (SCNR) da ƙusar ƙanƙara mai guba.
A halin yanzu, dangane da sharar iskar gas, kamfanonin gilashi a yankin Shahe sun gina gine-gine na SCR, ta yin amfani da ammonia, CO ko hydrocarbons a matsayin rage NO a cikin iskar gas zuwa N2 a gaban iskar oxygen.
Hebei Shahe Safety Industrial Co., Ltd. 1-8# gilashin makera flue gas desulfurization, denitrification da kura kau madadin layin EPC aikin.Tun lokacin da aka kammala shi kuma ya fara aiki a watan Mayu 2017, tsarin kare muhalli yana aiki da ƙarfi, kuma yawan gurɓataccen iska a cikin iskar hayaƙi na iya kaiwa ga barbashi ƙasa da 10 mg/N㎡, sulfur dioxide ƙasa da 50 mg/N ㎡, kuma nitrogen oxides bai wuce 100 mg/N㎡ ba, kuma alamun gurɓataccen gurɓataccen abu sun kai daidaitattun daidaito na dogon lokaci.
3. Fasahar samar da wutar lantarki ta sharar gida
Gilashin narkewar tanderu sharar wutar lantarki fasahar fasaha ce da ke amfani da dumama dumama don dawo da makamashin zafi daga sharar wutar lantarkin gilashin don samar da wutar lantarki.Ana dumama tukunyar tukunyar ruwa don samar da tururi mai zafi, sannan a aika da tururi mai zafi zuwa injin tururi don fadadawa da yin aiki, mai da wutar lantarki zuwa makamashin injina, sannan ya tuka janareta don samar da wutar lantarki.Wannan fasaha ba wai kawai ceton makamashi ba ne, har ma yana da amfani ga kare muhalli.
Kamfanin Xianning CSG ya zuba jarin Yuan miliyan 23 a aikin gina aikin samar da wutar lantarki a shekarar 2013, kuma an samu nasarar hada shi da ma'aunin wutar lantarki a watan Agustan shekarar 2014. A cikin 'yan shekarun nan, Xianning CSG ta yi amfani da fasahar samar da wutar lantarki ta sharar don cimma nasarar ceto makamashi da kuma samar da wutar lantarki. raguwar fitar da iska a cikin masana'antar gilashi.An ba da rahoton cewa, matsakaicin ƙarfin samar da wutar lantarki na tashar wutar lantarki ta Xianning CSG ya kai kusan kWh miliyan 40.Ana ƙididdige ma'anar juzu'i bisa daidaitaccen amfani da kwal na samar da wutar lantarki na 0.350kg na daidaitaccen kwal/kWh da iskar carbon dioxide na 2.62kg/kg na daidaitaccen kwal.Ƙarfin wutar lantarki ya yi daidai da ceton 14,000.Ton na daidaitaccen gawayi, rage fitar da ton 36,700 na carbon dioxide!
Manufar "carbon kololuwa" da "carbon neutrality" hanya ce mai nisa a gaba.Kamfanonin gilashi har yanzu suna buƙatar ci gaba da ƙoƙarin haɓaka sabbin fasahohi a cikin masana'antar gilashin, daidaita tsarin fasaha, da haɓaka haɓaka haɓakar burin "carbon dual carbon" na ƙasata.Na yi imani cewa a karkashin ci gaban kimiyya da fasaha da zurfin noman masana'antun gilashin, tabbas masana'antar gilashi za ta sami ci gaba mai inganci, ci gaba mai ɗorewa da ci gaba mai dorewa!
Lokacin aikawa: Nuwamba-03-2021