Otu izu ka ahapụchara atụmatụ hydrogen nke gọọmentị Britain, a malitere ịnwale iji 100% hydrogen mepụta iko mmiri n'elu mmiri na mpaghara Liverpool, nke bụ oge mbụ n'ụwa.
A ga-eji hydrogen dochie mmanụ ọkụ fossil dị ka gas sitere n'okike a na-ejikarị eme ihe na usoro mmepụta ya kpamkpam, nke na-egosi na ụlọ ọrụ iko nwere ike ibelata ikuku carbon ma mee nnukwu nzọụkwụ iji nweta ebumnuche efu efu.
Emere ule a na ụlọ ọrụ St Helens dị na Pilkington, ụlọ ọrụ iko Britain, ebe ụlọ ọrụ ahụ malitere imepụta iko na 1826. Iji decarbonize UK, ihe fọrọ nke nta ka ọ bụrụ akụkụ akụ na ụba niile kwesịrị ịgbanwe kpamkpam.Ụlọ ọrụ na-akwụ ụgwọ maka 25% nke ikuku gas na-ekpo ọkụ na UK, na ibelata ihe ọkụkụ ndị a dị mkpa ma ọ bụrụ na obodo ahụ ga-eru "efu efu."
Otú ọ dị, ụlọ ọrụ ndị na-arụ ọrụ ike bụ otu n'ime ihe ịma aka kacha sie ike ịnagide.Mgbapụta ọkụ ụlọ ọrụ, dị ka imepụta iko, na-esikarị ike ibelata ikuku ikuku - site na nnwale a, anyị bụ otu nzọụkwụ nso iji merie ihe mgbochi a.A na-eduzi ọrụ nke "HyNet Industrial Fuel Conversion" nke na-ebute ọganihu, na hydrogen bụ nke BOC na-enye, nke ga-enye HyNet obi ike iji dochie gas sitere n'okike na hydrogen dị ala.
A na-ewere nke a dị ka ihe ngosi mbụ buru ibu n'ụwa nke 100% hydrogen combustion na gburugburu ebe a na-emepụta iko n'elu mmiri (ibé akwụkwọ).Nnwale Pilkington na United Kingdom bụ otu n'ime ọtụtụ ọrụ na-aga n'ihu na ugwu ọdịda anyanwụ England iji nwalee ka hydrogen nwere ike isi dochie mmanụ ọkụ n'ichepụta.Mgbe afọ a gasịrị, a ga-eme ule ọzọ nke HyNet na Port Sunlight, Unilever.
Ọrụ ngosi ndị a ga-ejikọ aka na ntughari nke iko, nri, ihe ọ drinkụ ,ụ, ike na ụlọ ọrụ mkpofu na iji hydrogen nwere obere carbon iji dochie iji mmanụ ọkụ.Ọnwụnwa abụọ a jiri hydrogen nke BOC wetara.N'ọnwa Febụwarị 2020, BEIS nyere nde pound 5.3 na ego maka HyNet Industrial Fuel Conversion Project site na oru ngo imepụta ike ya.
“HyNet ga-eweta ọrụ na uto akụ na ụba na mpaghara Northwest wee malite akụ na ụba carbon dị ala.Anyị na-elekwasị anya n'ibelata ihe ọkụkụ, ichebe ọrụ nrụpụta 340,000 dị na mpaghara Northwest, na ịmepụta ihe karịrị 6,000 ọrụ ọhụrụ na-adịgide adịgide., Itinye mpaghara ahụ n'ụzọ ịghọ onye ndu ụwa n'ime mmepụta ike dị ọcha."
Matt Buckley, onye isi njikwa UK nke Pilkington UK Ltd., onye enyemaka nke NSG Group, kwuru, sị: "Pilkington na St Helens guzokwara n'ihu n'ihu mmepụta ihe ọhụrụ ma mee nnwale hydrogen mbụ n'ụwa n'ahịrị mmepụta iko ese n'elu mmiri."
"HyNet ga-abụ nnukwu nzọụkwụ iji kwado ọrụ mkpochapụ anyị.Mgbe izu ole na ole nke nnwale mmepụta zuru oke, ọ gosipụtala nke ọma na ọ ga-ekwe omume ịrụ ọrụ ụlọ ọrụ enyo enyo nke nwere hydrogen n'enweghị nsogbu na nke ọma.Anyị na-atụ anya ugbu a ka echiche HyNet bụrụ eziokwu. "
Ugbu a, ọtụtụ ndị na-emepụta iko na-amụba R & D na ihe ọhụrụ nke teknụzụ na-echekwa ike na nke na-ebelata ikuku, na-eji teknụzụ agbaze ọhụrụ na-achịkwa oriri ike nke mmepụta iko.Onye nchịkọta akụkọ ga-edepụta gị atọ.
1. Oxygen combustion technology
Igwe ikuku oxygen na-ezo aka na usoro nke iji oxygen dochie ikuku na usoro nke ọkụ ọkụ.Nkà na ụzụ a na-eme ka ihe dị ka 79% nke nitrogen dị n'ikuku adịghịzi esonye na combustion, nke nwere ike ime ka ọkụ ọkụ dịkwuo ọkụ ma mee ka ọkụ ọkụ dịkwuo ọkụ.Na mgbakwunye, ikuku na-ekpochapụ ikuku n'oge combustion oxy-fuel bụ ihe dị ka 25% ruo 27% nke ikuku combustion, na agbaze ọnụego na-n'ụzọ dị ukwuu mma, na-eru 86% ka 90%, nke pụtara na mpaghara nke ọkụ chọrọ. iji nweta otu ego nke iko na-ebelata.Obere.
Na June 2021, dị ka isi ọrụ nkwado ụlọ ọrụ na Sichuan Province, Sichuan Kangyu Electronic Technology webatara na ọrụ mmecha nke isi oru ngo nke ya niile oxygen combustion kiln, nke bụ isi nwere ọnọdụ maka ịgbanwe ọkụ na ibuli okpomọkụ.Ihe owuwu a bụ “ihe mkpuchi mkpuchi elektrọnik dị obere, mkpụrụ iko iko ITO”, nke bụ otu kiln abụọ nwere ikuku oxygen na-ese n'elu ahịrị mmepụta iko elektrọnik na China.
Ngalaba na-agbaze nke ọrụ ahụ na-anakọta ọkụ ọkụ oxy-fuel + nkà na ụzụ na-eme ka ọkụ eletrik, na-adabere na oxygen na gas combustion, na inye aka na-agbaze site na eletrik eletrik, wdg, nke nwere ike ọ bụghị naanị ịchekwa 15% ruo 25% nke oriri mmanụ, kamakwa. mụbaa kiln Ihe mmepụta kwa mpaghara nke ọkụ ahụ na-abawanye nrụpụta mmepụta ihe dịka 25%.Na mgbakwunye, ọ nwekwara ike ibelata ikuku ikuku gas, belata oke nke NOx, CO₂ na nitrogen oxides ndị ọzọ na-emepụta site na combustion karịa 60%, ma dozie nsogbu nke isi mmalite ikuku.
2. Nkà na ụzụ denitration gas
Ụkpụrụ nke teknụzụ denitration flue gas bụ iji oxidant oxidize NOX ka NO2, na mgbe ahụ, NO2 emepụtara na-etinye uche na mmiri ma ọ bụ ngwọta alkaline iji nweta denitration.A na-ekewa teknụzụ a ka ọ bụrụ denitrification nke mbelata catalytic (SCR), nhọrọ denitrification na-abụghị nke catalytic (SCNR) na denitrification nke flue gas.
Ka ọ dị ugbu a, n'ihe gbasara ọgwụgwọ gas na-emebi emebi, ụlọ ọrụ iko na mpaghara Shahe ejirila ụlọ ọrụ nyocha SCR rụọ ọrụ, na-eji amonia, CO ma ọ bụ hydrocarbons dị ka ndị na-ebelata NO na gas flue gaa N2 n'ihu ikuku oxygen.
Hebei Shahe Safety Industrial Co., Ltd. 1-8# iko ọkụ flue gas desulfurization, denitrification na uzuzu wepụ ndabere akara EPC oru ngo.Ebe ọ bụ na emechara ya ma tinye ya n'ọrụ na May 2017, usoro nchebe gburugburu ebe obibi na-arụ ọrụ nke ọma, na ntinye nke mmetọ na flue gas nwere ike iru ihe na-erughị 10 mg / N㎡, sulfur dioxide bụ ihe na-erughị 50 mg / N. ㎡, na nitrogen oxides bụ ihe na-erughị 100 mg / N㎡, na mmetọ emission egosi bụ ruo ọkọlọtọ staly ogologo oge.
3. Nkà na ụzụ mmepụta ike ọkụ na-ekpofu ọkụ
Igwe na-agbaze ọkụ na-ekpofu ọkụ ọkụ ọgbọ bụ nkà na ụzụ nke na-eji ọkụ ọkụ na-ekpofu ọkụ iji nwetaghachi ike ọkụ site na ikpo ọkụ ọkụ nke iko na-agbaze ọkụ iji mepụta ọkụ eletrik.A na-ekpo ọkụ na-esi nri mmiri na-ekpo ọkụ iji mepụta uzuoku na-ekpo ọkụ, mgbe ahụ, a na-eziga uzuoku dị ọkụ na turbine uzuoku ka ọ gbasaa ma rụọ ọrụ, gbanwee ike eletrik ka ọ bụrụ ike ọrụ, wee mee ka onye na-emepụta ọkụ na-emepụta ọkụ eletrik.Nkà na ụzụ a abụghị nanị na-azọpụta ike, kamakwa ọ na-enye aka na nchekwa gburugburu ebe obibi.
Xianning CSG nyekwara 23 nde yuan na-ewu a n'efu okpomọkụ ike ọgbọ oru ngo na 2013, na ọ e ọma jikọọ na okporo na August 2014. Na-adịbeghị anya, Xianning CSG na-eji n'efu okpomọkụ ike ọgbọ technology nweta ike ịzọpụta na Mbelata ikuku na ụlọ ọrụ iko.A na-akọ na nkezi ọgbọ ike nke Xianning CSG na-ekpofu ọkụ ọkụ dị ihe dị ka nde 40 kWh.A na-agbakọ ihe ngbanwe ahụ dabere n'ụdị oriri ọkụ nke 0.350kg nke coal/kWh ọkọlọtọ na ikuku carbon dioxide nke 2.62kg/kg nke coal ọkọlọtọ.Ọkpụkpụ ọkụ ahụ dabara na ịzọpụta 14,000.Tọn nke coal ọkọlọtọ, na-ebelata ikuku carbon dioxide 36,700!
Ebumnuche nke "carbon peak" na "nọpụ iche carbon" bụ ogologo ụzọ ịga.Companieslọ ọrụ iko ka kwesịrị ịga n'ihu na mbọ ha iji kwalite teknụzụ ọhụrụ na ụlọ ọrụ iko, mezie nhazi teknụzụ, na kwalite mmezu nke ebumnuche “carbon abụọ” nke obodo m.Ekwenyere m na n'okpuru mmepe nke sayensị na nkà na ụzụ na ihe ọkụkụ miri emi nke ọtụtụ ndị na-emepụta iko, ụlọ ọrụ iko ga-enweta ọganihu dị elu, mmepe akwụkwọ ndụ akwụkwọ ndụ na mmepe mmepe!
Oge nzipu: Nov-03-2021