Nkọwa ngwaahịa
Sistemụ njide cryogenic CO₂ (nke a makwaara dị ka ngalaba nkewa cryogenic CO₂) bụ akụrụngwa zuru oke nke etinyere pretreatment gas, ikuku jụrụ oyi, CO₂ condensation, ịdị ọcha distillation, na nchekwa CO₂ mmiri mmiri.
Isi ụkpụrụ ya bụ ibu ụzọ mee ka CO₂- nwere gas iji wepụ ihe ndị na-adịghị ọcha nke nwere ike igbochi ma ọ bụ mebie akụrụngwa na obere okpomọkụ, wee mee ka ikuku dị nso n'ebe isi mmiri CO₂ na-esi na multi{{1}stage refrigeration sistemu-condensing CO₂ n'ime mmiri mmiri mgbe ị na-edebe ndị na-abụghị{3} oxygen, condensable. ụdị gaseous maka nkewa.
N'ikpeazụ, a na-asachapụ CO₂ mmiri mmiri site na distillation iji zute ụkpụrụ ụlọ ọrụ ma ọ bụ nchekwa. Ọ nwere ike ibelata ọdịnaya CO₂ dị na gas a na-agwọ ka ọ dị n'okpuru 1% (ma ọ bụ ọbụna ihe na-erughị ma ọ bụ ha nhata 0.1% maka ihe ndapụta siri ike) yana ngwa bụ isi maka ijide carbon dị elu{3}.
Ụkpụrụ ọrụ
Enwere ike ichikota usoro ọrụ nke Cryogenic Carbon Capture dị ka isi usoro isii: pretreatment gas → pre- jụrụ oyi → cryogenic cooling → CO₂ condensation & nkewa → CO₂ distillation ọcha → mmiri mmiri CO₂ nchekwa / mmepụta
Ngwọta gas:CO₂-nwere gas (dịka ọmụmaatụ, gas flue gas nwere 10-15% CO₂, gas sitere na 5-30% CO₂) na-ebu ụzọ banye n'usoro ọgwụgwọ. Ọ na-agafe na nzacha iji wepụ ihe ndị siri ike (uzuzu, ash) na nha nhata karịa ma ọ bụ hà nhata 5 μm, wee banye n'ime mmiri na-ekpo ọkụ (molecular sieve adsorber) iji belata ọdịnaya mmiri n'okpuru 10 ppm (na-ezere nhazi ice nke na-egbochi pipelines na obere okpomọkụ). Maka gas nwere ogige sọlfọ (H₂S Karịrị ma ọ bụ nhata 20 ppm), a na-agbakwunye ngalaba desulfurization (adsorption carbon adsorption ma ọ bụ amine scrubbing) iji wepu H₂ na-egbochi corrosion nke akụrụngwa cryogenic na izere adịghị ọcha sọlfọ na CO₂ ejidere.
Tupu{0} jụrụ oyi:Gas etinyegoro na-abanye tupu- jụrụ oyi, ebe ọ na-eji ikuku ọdụ dị ala- na-agbanwe okpomọkụ (gasị ndị na-abụghị -condensable gas mgbe CO₂ nkewa) na mmiri jụrụ oyi. A na-ebelata okpomọkụ gas site na okpomọkụ nke gburugburu (20-30 degrees ) ruo 0 ~ -10 degrees , na-ebu ụzọ wepụ ọtụtụ n'ime mmiri ndị fọdụrụ na ìhè hydrocarbons (dịka, methane na gas gas).
Cryogenic jụrụ oyi:Igwe ikuku jụrụ oyi na-abanye n'ime sistemu refrigeration ọtụtụ- (na-ejikarị propane pre{2}}ịjụ oyi + ngwakọta refrigerant cycle). Nke mbụ ogbo na-eji propane ajụkwa gas na -40 ~ -50 degrees; Nkeji nke abụọ na-eji refrigerant agwakọta (nke nitrogen, methane, ethane, propane mejupụtara) na-eme ka ikuku dị jụụ ruo -55 ~ -60 degrees - iru okpomọkụ ebe CO₂ condenses.
CO₂ condensation & nkewa:The cryogenically mma gas na-abanye a separator. Na -55 ~ - 60 degrees na 1.0 ~ 6.0 MPaG, CO₂ condenses n'ime mmiri mmiri (njupụta ~1.1 g/cm³), mgbe na-abụghị-gases condensable (nitrogen, oxygen, residual methane) na-anọgide na gas. A na-anakọta mmiri mmiri CO₂ na ala nke nkewa ahụ, a na-ewepụ gas ndị na-adịghị{10}condensable site na n'elu-mgbe okpomọkụ gbakere na tupu oyi, a na-ebupụ ha (na-ezute ụkpụrụ gburugburu ebe obibi) ma ọ bụ megharịa ya (dịka ọmụmaatụ, ihe ndị na-emepụta gas laghachiri na pipeline).
CO₂ distillation ọcha:A na-ezigara mmiri crude CO₂ (nwere trace non-gas na adịghị ọcha) n'ụlọ elu distillation. N'okpuru mbelata nrụgide (0.3 ~ 0.5 MPaG) na okpomọkụ a na-achịkwa (-50 ~ -55 degrees), a na-ekewapụta adịghị ọcha gaseous (nitrogen, oxygen) site n'elu ụlọ elu ahụ, ebe elu - mmiri dị ọcha CO₂ ( ịdị ọcha Karịrị ma ọ bụ hà nhata 99.0%) na ala na-anakọta. Maka ọnọdụ na-achọ ultra{13}} ịdị ọcha dị elu (dịka ọmụmaatụ, nri-ọkwa CO₂), a na-agbakwunye nkeji mgbasa ọkwa nke abụọ iji kwalite ịdị ọcha karịa ma ọ bụ nhata 99.9%.
Nchekwa / mmepụta Liquid CO₂:A na-agbanye mmiri mmiri CO₂ dị ọcha na tankị nchekwa cryogenic (nke na-edobere na -56.6 ogo na 0.5 ~ 1.0 MPaG) maka nchekwa nwa oge. Enwere ike ibuga ya ozugbo na ndị ọrụ site na gwongworo tankị cryogenic (maka ụlọ ọrụ mmepụta ihe dị ka carbonation nri, ịgbado ọkụ igwe), ma ọ bụ tinye ya na CO₂ supercritical (ogo 31, 7.38 MPa) maka ụgbọ njem pipeline na saịtị nchekwa ala ma ọ bụ ọrụ mgbake mmanụ (EOR).
Cryogenic CO₂ Njirimara Isi Sistemu Njide
Ịrụ ọrụ njide dị elu
N'okpuru nhazi ọkọlọtọ, arụmọrụ njide CO₂ karịrị 95% ma ọ bụ nhata; N'iji usoro refrigeration kachasị mma na usoro distillation, ọ nwere ike iru 99.5%, dabara maka ọnọdụ ọnọdụ nwere ihe achọrọ ikuku carbon siri ike (dịka ọmụmaatụ, ụlọ ọrụ ọkụ, igwe igwe igwe).
01
Ịdị ọcha ngwaahịa dị elu
Mmiri CO₂ dị ọcha ejidere karịrị 99.0% ma ọ bụ ha nhata, yana ultra{1}} ịdị ọcha dị elu (Karịrị ma ọ bụ nhata 99.9%) nwere ike nweta site na nchacha nke abụọ- nzuko ụlọ ọrụ mmepụta ihe, nri, na ahụike-ụkpụrụ ọkwa.
02
Nnukwu nhazi ikike
Ikike nhazi otu otu{{0}otu nkeji kwa ụbọchị sitere na 5,000 Nm³/h ruo 300,000 Nm³/h, na-adaba na ọkara{5}}ọnụ ọgụgụ (ndị na-ekpo ọkụ mpaghara) ruo nnukwu-ọnụ (1000 MW ike osisi) iyi gas.
03
Oriri kemịkalụ dị ala
Usoro a na-adabere na ntụ oyi anụ ahụ na nkewa, na-ejighi ihe mgbaze kemịkalụ (dịka ọmụmaatụ, amines) nke chọrọ mmeghari - na-ezere mmebi ihe mgbaze, mkpofu mmiri na-ekpofu, na ụgwọ nnọchi kemịkalụ.
04
Ndakọrịta dị mma
Enwere ike ijikọ ya na sistemu ụlọ ọrụ dị ugbu a (dịka ọmụmaatụ, ọdụ ụgbọ mmiri ọkụ ọkụ, ụlọ ọrụ na-emepụta gas) na obere mgbanwe na usoro izizi, na-ebelata itinye ego ngo na usoro ihe owuwu.
05
Uru nke ngwaahịa ụlọ ọrụ anyị
N'ihe gbasara nnọpụiche carbon zuru ụwa ọnụ na iwu siri ike nke ụlọ ọrụ mmepụta ihe, imewe a nụchara anụcha bụ isi nkuku nke hụ na nrụpụta ọrụ mkpuchi cryogenic, nchekwa ike na nchekwa ọrụ. Companylọ ọrụ anyị nwere otu ndị injinia ọkachamara nwere ahụmịhe karịrị afọ 30 na teknụzụ cryogenic na ijide carbon, maara nke ọma ụkpụrụ ụlọ na nke mba ọzọ dị ka GB 150 (arịa nrụgide), ASME BPVC (ngwaọrụ cryogenic), ISO 14064 (carbon accounting), na EPA Method 315 (nchọpụta CO₂). Anyị na-enye nhazi ahaziri iche dabere na akụrụngwa gas nke ndị ahịa (CO₂ ntinye, ihe na-adịghị ọcha), nrụgide arụ ọrụ, na ihe nrụpụta chọrọ: maka sistemu gas flue, anyị na-ebuli netwọọkụ mgbanwe okpomọkụ tupu- jụrụ oyi iji belata oriri refrigeration; Maka sistemu gas, anyị na-echepụta otu mgbake hydrocarbon iji megharịa methane ka anyị na-ejide CO₂. Anyị na-ahapụ "otu -size- dabara-niile' wee na-eduzi simulation usoro cryogenic zuru ezu (site na Aspen HYSYS) maka ọrụ ọ bụla -ịhụ na oriri nke sistemu ahụ dị 10-15% dị ala karịa nkezi ụlọ ọrụ.
Companylọ ọrụ anyị na-emejuputa usoro njikwa mma nke ISO9001 n'oge usoro ndụ ọrụ niile, na-ekpuchi imewe, ịzụ ahịa, nrụpụta na inye ọrụ. N'oge nhazi usoro, ndị injinia ndị agadi na-eduzi obe{2}} nkwenye nke paramita akụrụngwa cryogenic (dịka ọmụmaatụ, mpaghara okpomọkụ, ọnụego refrigerant) yana mgbako ike nhazi iji kpochapụ ihe egwu imewe; A na-enweta ihe ndị dị mkpa (ndị na-ekpo ọkụ cryogenic, compressors refrigeration, tankị nchekwa) nke ọma- ụdị ama ama (dịka ọmụmaatụ, Chart Industries cryogenic heat exchangers, Bitzer refrigeration compressors) ma na-enyocha mbata dabere na nkọwa nka (dịka ọmụmaatụ, obere-okpomọkụ nleba anya nleba anya nke ihe, leakage). N'oge nrụpụta, pipeline cryogenic na arịa nrụgide na-enweta nnwale na-adịghị emebi emebi (UT maka welds, RT maka akụkụ gbara ọkpụrụkpụ{13}) yana nnwale arụmọrụ cryogenic (ịjụ ruo - 60 ogo maka awa 24 iji nyochaa akara); tupu nnyefe, sistemu ahụ na-aga ọrụ elekere 100{18} na-aga n'ihu na-anwale nnwale CO₂ njide arụmọrụ, ịdị ọcha na oriri ume-iji hụ na ihe ngosi niile na-emezu ihe a chọrọ.
Anyị na-ewere ogo ngwaahịa dị ka usoro ndụ nke ụlọ ọrụ ahụ ma gbasie mbọ ike na-ebuga sistemu njide “efu{0}} mejọrọ”. Sistemu ọ bụla na-enweta njikwa ogo ọkwa dị iche iche: akụrụngwa cryogenic na-eji ihe ndị nwere oke dị ala{3} okpomọkụ (dịka ọmụmaatụ, 304L igwe anaghị agba nchara maka pipeline, aluminom alloy 5083 maka ndị na-agbanwe okpomọkụ) nwere ndụ imewe nke karịrị ma ọ bụ nhata afọ 20; a na-eji igwe nju oyi na-eme ka ọ ghara imechi ya n'ihi otu - igwe anaghị arụ ọrụ; Ogologo oge sistemụ ahụ n'etiti ọdịda (MTBF) karịrị awa 12,000. Anyị na-enye akwụkwọ asambodo ịdị mma zuru oke, gụnyere mkpesa arụmọrụ ọkụ adịghị ala{13}, mkpesa nnwale na-emebi emebi, yana mkpesa nyocha arụmọrụ sistemụ, wee hụ na ntozu ngwaahịa nke ụlọ ọrụ bụ 100%.
Nke ọma mgbe-ọre ahịa dị mkpa iji hụ na akụrụngwa cryogenic na-aga n'ihu ma kwụsie ike. Mgbe ị na-anata arịrịọ ọrụ ndị ahịa, otu ọrụ nka anyị na-enye nzaghachi mbụ n'ime awa 12 (24/7) site na ekwentị, email, ma ọ bụ ogbako vidiyo -gụnyere nchọpụta nsogbu (dịka ọmụmaatụ, mbelata nrụpụta njide nke ntapu refrigerant kpatara) yana ngwọta mbido. Maka okwu enwere ike idozi ngwa ngwa (dịka ọmụmaatụ, nhazigharị ihe nju oyi, njikwa okpomọkụ), anyị na-eduzi ndị ahịa ka ha mechaa nchọpụta nsogbu n'ime awa 24; maka mkpa nrụzi saịtị (dịka ọmụmaatụ, ihicha ihe na-ekpo ọkụ, ngbanwe valve), anyị na-eziga ndị injinia nwere nka nka nka na ụzụ cryogenic n'ime awa 48 (ụlọ) ma ọ bụ awa 72 (nke mba ụwa) ka anyị kwadochara ihe a chọrọ. Anyị na-enyekwa ọrụ nlekọta mgbochi oge niile (dịka ọmụmaatụ, nyocha mkpuchi mkpuchi mkpuchi mkpuchi mkpuchi nke cryogenic kwa afọ, nyocha ịdị ọcha nke refrigerant) yana nkwa inye akụrụngwa{20} na-ebelata oge akụrụngwa yana hụ na ogologo oge kwụsiri ike-.
A na-amata sistemu sistemu Cryogenic CO₂ Capture System site na ụlọ ọrụ na-eduga na ụlọ ọrụ ike, igwe na gas n'ihi arụmọrụ dị elu, ntụkwasị obi na obere ume ike. Ndị ahịa a na-ahụkarị gụnyere: China Huaneng Group (ọkụ ọkụ ọkụ ọkụ CO₂), ArcelorMittal (igwe igwe anaghị agba nchara-gas decarbonization), QatarEnergy (nkewa gas CO₂), na Linde (ọrụ mgbake CO₂ ụlọ ọrụ). Ogologo oge ha na- imekọ ihe ọnụ na iwu ikwugharị bụ ihe akaebe maka ogo ngwaahịa na ọkwa ọrụ anyị.
Ụlọ ọrụ anyị na-enye ụdị imekọ ihe ọnụ iji gboo mkpa ndị ahịa dị iche iche:
● Nrụpụta ọrụ Turnkey: Nye ọrụ agbakwunyere site na imewe, nrụpụta, nrụnye ruo n'ịrụ ọrụ{0}} na-ebufe Cryogenic Carbon Capture zuru oke;
● Ịre ngwá ọrụ: Ree ihe ndị na-emepụta ihe na-emepụta ihe (cryogenic heat exchangers, refrigeration units, liquid CO₂ tank tank) iche iche maka ndị ahịa nwere ikike ntinye na ntinye onwe ha -;
● Ọrụ na mmezi ọrụ: Na-arụ ọrụ ogologo oge na mmezi nke sistemu ahụ, na-akwụ ụgwọ dabere na oge ọrụ ma ọ bụ ikike ijide CO₂{1}} na-ebelata nrụgide njikwa ọrụ nke ndị ahịa;
● Ọrụ ijide carbon: Tinye ego n'ime ma rụọ ọrụ sistemu egwu cryogenic, na-ana ndị ahịa ụgwọ dabere na ọnụọgụ CO₂ weghaara{0}} na-enyere ndị ahịa aka izere itinye nnukwu ego n'ihu na akụrụngwa.
Ntụle teknụzụ njide CO₂ dị iche iche
|
CO₂ijide teknụzụ |
Ụkpụrụ isi |
Uru |
Ọdabara ndapụta |
|
Sistemụ ijide Cryogenic CO₂ |
Cryogenic jụrụ oyi na-eme ka CO₂ banye mmiri mmiri, wee kewapụ ma sachaa site na ntucha |
Ọdịmma njide dị elu (Karịrị ma ọ bụ nhata 95%), ịdị ọcha CO₂ dị elu (Karịrị ma ọ bụ nhata 99%), enweghị ihe mgbaze kemịkal. |
Nnukwu ụlọ ọrụ ọkụ -, igwe igwe igwe, nhazi gas (CO₂ ntinye 5-30%) |
|
Amine-Mmiri kemịkalụ dabere |
CO₂ na-emeghachi omume na amine solvents (MDEA, DEA) iji mepụta carbamate, mgbe ahụ a na-emeghachi ihe mgbaze site na kpo oku. |
Teknụzụ tozuru oke, dabara maka itinye uche CO₂ dị ala |
Ọkụ ọkụ ọkụ ọkụ (CO₂ 5-15%), obere ruo ọkara{2}}ọnụahịa na-apụ apụ gas |
|
Mmanya anụ ahụ (Selexol) |
A na-agbaze CO₂ na obere-okpomọkụ, obere{1} ihe mgbaze anụ ahụ dị ala, wee mebie ya site na mbelata nrụgide. |
Oriri ike dị ala, dabara maka itinye uche CO₂ dị elu |
Gas na-esi ísì ụtọ (CO₂ Karịrị ma ọ bụ ha nhata 20%), ikuku kemịkalụ -gas nwere ọdịnaya adịghị ọcha dị elu |
|
Nkewa nke membrane |
Membran polymer pụrụ iche na-ahọrọ na-efesa CO₂ (na-efesa ngwa ngwa) ma na-ejigide gas ndị ọzọ (na-efesa ngwa ngwa) |
Ngwa kọmpat, mgbasawanye modular dị mfe |
Obere ọnọdụ - (dịka ọmụmaatụ, ikesa ikesa), mpaghara gas dị n'ụsọ (CO₂ 1-10%) |
|
Adsorption (PSA/TSA) |
Adsorbents siri ike (molecular sieves) adsorb CO₂ na obere okpomọkụ / nrụgide dị elu, wee desorb na nnukwu okpomọkụ / obere nrụgide. |
Ọdịdị dị mfe, nkwụsị nrụgide dị ala |
Obere iyi gas nwere obere CO₂ (ihe na-erughị ma ọ bụ haha 5%), dị ka obere gas flue gas. |
Ihe nchịkọta dị ọkụ: njide cryogenic co2, China cryogenic co2 ndị na-emepụta ihe, ndị na-ebu ngwaahịa, ụlọ ọrụ