Nkọwa ngwaahịa
Sistemụ ijide ikuku carbon (nke a makwaara dị ka ikuku gas CO₂ ijide unit) bụ akụrụngwa zuru oke nke etinyere n'usoro ọgwụgwọ, ijide CO₂, ịdị ọcha, yana mgbake / nchekwa CO₂.
Isi ụkpụrụ ya dịgasị iche site na ụzọ teknụzụ: mmịnye kemịkalụ na-eji amine{0} ihe mgbaze dabere (dịka, MDEA, DEA) iji meghachi omume na CO₂; nnabata anụ ahụ na-adabere na obere ihe mgbaze okpomọkụ (dịka, Selexol) iji gbazee CO₂; Nkewa akpụkpọ ahụ na-eji akpụkpọ anụ polymer pụrụ iche iji họrọ nke ọma na-abanye CO₂.
Ọ nwere ike ibelata ọdịnaya CO₂ dị na gas sitere n'okike ruo n'okpuru 2% (ma ọ bụ ọbụna ihe na-erughị ma ọ bụ hà nhata 0.1% maka elu{2}}gasị ikuku dị ọcha) wee weghara CO₂ na ịdị ọcha karịrị 95%, nke bụ isi ihe na-ekwe nkwa maka ojiji gas dị ọcha yana mbelata ikuku carbon.
Ụkpụrụ ọrụ
Usoro ọrụ nke eke carbon eke (na-ewere usoro "pretreatment + amine-based chemical absorption + CO₂ purification" ụzọ dị ka ihe atụ) nwere ike ịchịkọta dị ka isi nzọụkwụ isii: eke gas pretreatment → CO₂ absorption → ihe mgbaze regeneration → CO₂ ọcha → CO₂ nrụpụta gas dị ọcha → CO₂ nrụpụta eke →
Ngwọta ikuku gas:CO₂{{0}nke nwere gas (raw gas ma ọ bụ flue gas) na-ebu ụzọ abanye n'ịkpọ ọkpọ wee yochaa iji wepụ ntụpọ mmiri (mmiri, ọkụ hydrocarbons) na ihe siri ike (uzuzu, adịghị ọcha) nwere nha urughuru karịa 10 μm. Maka ikuku ikuku nke nwere sọlfọ dị elu (H₂S Karịrị ma ọ bụ nhata 50 ppm), a na-agbakwunye otu desulfurization (dịka ọmụmaatụ, carbon adsorption na-arụ ọrụ) iji wepụ H₂S- na-ezere mbibi ihe mgbaze na mmebi akụrụngwa kpatara site na ogige sọlfọ.
nnabata CO₂:Gas a na-edozi nke ọma na-esi na ala nke ụlọ elu nnabata ahụ na-agbago, ebe a na-efesa ihe mgbaze 30-50% amine- (dịka ọmụmaatụ, MDEA, nwere obere ume maka mmeghari) site n'elu. Na juru n'ọnụ bed (jupụtara ahaziri mbukota), gas na mmiri mmiri nweta zuru kọntaktị: CO₂ reacts na amine ihe mgbaze (eg, CO₂ + 2R₂NH → R₂NCOO⁻ + R₂NH₂⁻) na-etolite kwụsiri ike carbamate, nke a na-ebu n'ime ụlọ elu ala site na ihe mgbaze-.pa.
Mweghachi ihe mgbaze:CO₂-ọgaranya ihe mgbaze (rich amine) anakọtara na ụlọ elu absorption na ala ka a na-agbanye n'ụlọ elu nrụpụta. N'okpuru okpomọkụ dị elu (110-130 degrees) na nrụgide dị ala (0.15-0.2 MPaG), carbamate na-agbaze, na-ahapụ CO₂. A na-eme ka ihe mgbaze amine na-eme ka ọ dị ọhụrụ dị jụụ ruo ogo 40-50 site na igwe na-ekpo ọkụ ma megharịa ya na ụlọ elu absorption, yana ọnụ ahịa ihe mgbaze ka ukwuu ma ọ bụ hà nhata 99%.
CO₂ ọcha:Gas crude CO₂ ewepụtara site na ụlọ elu regeneration nwere trace amine vapor na mmiri. Ọ na-ebu ụzọ na-agafe igwe nju oyi iji kpoo ma kewapụ mmiri, wee banye n'ụlọ elu mgbasa ozi carbon arụrụ ọrụ iji wepụ amine residual{1} n'ikpeazụ nweta CO₂ na ịdị ọcha Karịrị ma ọ bụ hà nhata 95%. Maka ọnọdụ ndị chọrọ ịdị ọcha CO₂ dị elu{4} (dịka ọmụmaatụ, nri{7}}ọkwa), a na-agbakwunye otu ihe mkpofu cryogenic iji kwalite ịdị ọcha karịa ma ọ bụ nhata 99.9%.
CO₂ nchekwa/ ojiji:A na-ejikọta CO₂ dị ọcha na 15-20 MPa (maka nchekwa ala) ma ọ bụ 2-3 MPa (maka ụlọ ọrụ mmepụta ihe) site na compressor. Enwere ike ịgbanye ya n'ubi mmanụ maka mgbake mmanụ emelitere (EOR), jiri dị ka akụrụngwa n'ime ụlọ ọrụ kemịkalụ (dịka ọmụmaatụ, na-emepụta urea, methanol), ma ọ bụ chekwaa ya n'ime mmiri saline dị n'okpuru ala iji nweta nhazi carbon.
Mpụta gas ekesachara:CO₂- CO₂ - ewepụrụ gas sitere na ụlọ elu nke absorption, na-agafe n'elu igwe alụlụ iji wepụ mmiri mmiri na-agbaze agbaze (amine fọdụrụnụ Na-erughị ma ọ bụ ha nhata 5 ppm), wee buga ya na pipeline (nzukọ GB 17820 eke eke) ma ọ bụ zigara ya na usoro mgbada ala (dịka ọmụmaatụ, gas gas).
Akụkụ bụ isi nke sistemu mwepụta carbon carbon
Ịrụ ọrụ njide dị elu
N'okpuru nhazi ọkọlọtọ, arụmọrụ njide CO₂ karịrị 90% ma ọ bụ nhata; na multi{1}}stage absorption ma ọ bụ elu{2} ihe mgbaze arụmọrụ dị elu, ọ nwere ike iru 99%, na-ebelata ọdịnaya CO₂ dị na gas sitere na 10-30% ruo n'okpuru 2%.
Ngwa zuru oke
Nwere ike ijikwa iyi gas sitere na CO₂ sitere na 1% ruo 50%, wee kwekọọ n'ụdị gas dị iche iche (gasị raw raw, flue gas, chemical off-gas) site n'ịgbanwe ihe mgbaze/membranes.
Oriri ike dị ala
Maka sistemu amine- gbadoro ụkwụ, ike a kapịrị ọnụ nke nrụpụta ihe mgbaze bụ 2.5-3.5 GJ kwa ton CO₂ weghaara (dị ala karịa ihe mgbaze DEA ọdịnala site na 20-30%); maka sistemu nnabata anụ ahụ, enwere ike belata oriri ume ka ọ bụrụ 1.8-2.2 GJ kwa ton nke CO₂.
Arụ ọrụ kwụsiri ike
Ejiri sistemu njikwa akpaaka (CO₂ ndị na-enyocha ịntanetị, ihe nleba anya ihe mgbaze, ndị na-ahụ maka ọnọdụ okpomọkụ/nrụgide) iji nyochaa isi ihe ozugbo. Mgbe ntinye CO₂ ntinye uche na-agbanwe (± 20%), usoro ahụ na-edozi ọnụego mgbaze n'ime nkeji 20-30 iji nọgide na-arụ ọrụ nke ọma.
Nguzogide corrosion
Ihe ndị dị mkpa (ụlọ elu absorption, regeneration tower, pipeline) bụ nke corrosion - na-eguzogide ọgwụ -FRP (fiberglass{2}}plastic siri ike) maka obere{3} sistemu nrụgide, 316L igwe anaghị agba nchara maka ọkara{5} sistemu nrụgide dị elu - iji guzogide ihe mgbaze amine na CO₂}
Uru nke ngwaahịa ụlọ ọrụ anyị
N'ihe gbasara ebumnuche nnọpụiche carbon zuru ụwa ọnụ yana ụkpụrụ ịdị mma gas siri ike, imewe a nụchara anụcha bụ ntọala nke ịhụ na ọ dị mma ijide yana obere ume ike. Companylọ ọrụ anyị nwere otu ndị injinia ọkachamara nwere ahụmịhe karịa afọ 25 na nkewa gas na ijide carbon, maara nke ọma ụkpụrụ ụlọ na nke mba ọzọ dịka GB 150 (arịa nrụgide), API 581 ( njikwa corrosion), ISO 14064 (carbon accounting), na EPA Method 315 (CO₂ nchọpụta). Anyị na-enye nhazi ahaziri iche dabere na akụrụngwa gas nke ndị ahịa (CO₂ ntinye uche, ọdịnaya H₂S, ihe mejupụtara hydrocarbon), nrụgide arụ ọrụ, na njide chọrọ: maka sistemu ikuku gas, anyị na-ebuli usoro ihe mgbaze nke amine iji zere ọkụ hydrocarbon co-absorption; maka sistemu flue gas, anyị na-agbakwunye ngalaba denitrification iji gbochie NOₓ ime ihe na ihe mgbaze. Anyị na-ahapụ "otu{9}}size-dabara{11} niile" ndebiri wee na-eduzi ntule mbufe oke/ike ike (site na Aspen Plus) maka oru ngo ọ bụla iji hụ na arụmọrụ kacha mma.
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 nhazi, ndị injinia dị elu na-eduzi cross{2} nkwenye nke eserese na nhazi usoro iji kpochapụ njehie nhazi; maka ihe ndị dị mkpa (mkpọkọ ụlọ elu absorption, amine solvents, CO₂ analyzers), anyị na-ahọrọ ngwaahịa sitere na nke ọma- ụdị amara ama (dịka ọmụmaatụ, Sulzer packing, BASF MDEA solvent, Emerson analyzers) ma na-eme nyocha mbata dabere na nkọwa teknụzụ (dịka ọmụmaatụ, nnwale ịdị ọcha, nnwale nrụpụta ọrụ). N'oge a na-emepụta ihe, ụlọ elu absorption/regeneration na-enweta nnwale na-adịghị emebi emebi (UT maka welds, RT maka akụkụ gbara ọkpụrụkpụ{10}) yana nnwale nrụgide hydrostatic (ugboro 1.25 nrụnye imewe) iji hụ na akara na ike nhazi. Tupu nnyefe, sistemu ahụ na-enweta nnwale ọrụ elekere 100{14} na-aga n'ihu{15} na-enyocha arụmọrụ CO₂ njide, oriri ihe mgbaze, na oriri ume-iji hụ na ihe niile na-egosi na-emezu ihe a chọrọ.
Anyị na-ewere ogo ngwaahịa dị ka usoro ndụ nke ụlọ ọrụ ahụ ma gbasie mbọ ike na-ebuga ngwa "efu{0} mmejọ". Sistemu ọ bụla na-enweta njikwa ogo ọkwa dị iche iche{2}: ụlọ elu absorption/mmeghachite nwere ndụ imewe nke karịrị ma ọ bụ nhata na afọ 20, na corrosion - mkpuchi na-eguzogide (maka ụlọ elu FRP) nwere nguzogide nnu nke karịrị awa 1500; A na-eji usoro nrụpụta ihe mgbaze nwere otu mgbake okpomọkụ (okpomọkụ mgbanwe arụmọrụ Karịrị ma ọ bụ nhata 90%) iji belata mkpofu ike; Ogologo oge sistemụ ahụ n'etiti ọdịda (MTBF) karịrị awa 10,000. Anyị na-enye akwụkwọ asambodo ịdị mma zuru oke, gụnyere asambodo akụrụngwa, mkpesa nnwale na-emebi emebi, yana mkpesa nnwale arụmọrụ, yana hụ na ọnụego ntozu nke ngwaahịa bụ 100%.
Ịrụ ọrụ nke ọma ma-ere ahịa bụ isi ihe iji hụ na sistemụ ahụ na-aga n'ihu. Mgbe ị na-anata arịrịọ ọrụ ndị ahịa, otu ọrụ aka 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, arụmọrụ dị ala nke nbibi ihe mgbaze kpatara) yana ngwọta mbido. Maka okwu enwere ike idozi n'ime anya (dịka ọmụmaatụ, mmezi oke, nhazi nhazi ihe mgbaze), anyị na-eduzi ndị ahịa ka ha mechaa nchọpụta nsogbu n'ime awa 24; maka mkpa nrụzi saịtị - (dịka ọmụmaatụ, nkwakọ ngwaahịa, ihicha ihe na-ekpo ọkụ), anyị na-ezipụ ndị injinia n'ime awa 48 (ụlọ) ma ọ bụ awa 72 (mba mba ụwa) ka anyị kwadochara ihe a chọrọ. Anyị na-enyekwa ọrụ nlekọta mgbochi oge niile (dịka ọmụmaatụ, nyocha ihe mgbaze kwa afọ, nyocha corrosion) yana nkwa na-enye ihe mapụtara ya iji belata oge ọdịda akụrụngwa.
A na-amata sistemu ikuku carbon carbon sitere na ụlọ ọrụ na-eduga na ike, ike na ụlọ ọrụ kemịkalụ n'ihi ntụkwasị obi dị elu na arụmọrụ ha. Ndị ahịa a na-ahụkarị gụnyere: ụlọ ọrụ na-ahazi gas ikuku, ikuku ikuku -ọkụ ọkụ CO₂ ijide, nkewa gas CO₂ nke dị n'ụsọ osimiri, na ọrụ mgbake CO₂ ụlọ ọrụ.
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 nrụnye, wee wepụta usoro dị njikere -iji-iji;
● Ịre ngwá ọrụ: ree ihe ndị bụ isi (ụlọ elu absorption, regeneration tower, mgbaze mgbapụta mgbapụta) iche iche maka ndị ahịa nwere ikike ntinye onwe-;
● Ọrụ na mmezi ọrụ: Na-arụ ọrụ ogologo oge{0} na mmezi nke sistemu, chaja dabere na oge ọrụ ma ọ bụ ikike ijide CO₂;
● Ọrụ ijide carbon: Tinye ego ma rụọ ọrụ usoro ahụ, kwụọ ụgwọ dabere na ọnụọgụ CO₂ weghaara, na-ebelata nrụgide ntinye ego mbụ nke ndị ahịa.
Ihe nchịkọta dị ọkụ: Ọkụ ikuku ikuku, China, ndị na-ebu ụgbọ mmiri, ndị na-ebu, ụlọ ọrụ