Nneɛma a Wɔde Yɛ Nkyerɛkyerɛmu
Hydrogen membrane separation system (a wɔsan frɛ no hydrogen membrane purification unit) yɛ nnwinnade a edi mũ a ɛka gas pretreatment, membrane separation, ne product gas stabilization bom.
Ne nnyinasosɛm titiriw ne sɛ wɔde hollow fiber anaasɛ flat-sheet polymer membranes (sɛ nhwɛso no, polyimide, polysulfone-based materials) a hydrogen selectivity kɛse-wɔ nhyɛso nsonsonoe pɔtee bi ase bedi dwuma, hydrogen molecules (molekyule mu duru ketewaa, kinetic ahoɔden a ɛkorɔn) fa membrane pores no mu ntɛmntɛm sen gas molecules afoforo (sɛ nhwɛso no, CH4, CO2, N2).
Ɛtumi yɛ hydrogen a ɛho tew a ɛkorɔn no pintinn na ɛyɛ nnwinnadeɛ titire a wɔde nya hydrogen yie na ɛho tew wɔ hydrogen a ɛba fam{1}}carbon hydrogen adwumayɛ mu no mu baako.
Adwumayɛ nnyinasosɛm
Yebetumi abɔ Hydrogen Separation Membrane adwumayɛ kwan no mua sɛ anammɔn titiriw anum: hydrogen-rich gas pretreatment → pressure regulation → membrane mpaapaemu → permeate gas (hydrogen) stabilization → retentate gas (fĩ) a wɔtow gu
Hydrogen-mframa a ɛdɔɔso a wɔde di kan yɛ:Hydrogen-mframa a ɛdɔɔso (sɛ nhwɛso no, refinery off-gas a 30-70% H2, abɔde mu mframa a ɛsakra a ɛwɔ 70-90% H2) di kan hyɛn pretreatment nhyehyɛe no mu. Ɛfa coalescing filter mu yi nsuo a ɛtɔ gu fam (nsuo, ngo) a ne kɛseɛ yɛ kɛseɛ sene anaa ɛne 1 μm yɛ pɛ, afei ɛkɔ particulate filter mu de yi efĩ a ɛyɛ den (mfuturo, catalyst fines) a ne kɛseɛ yɛ 0.1 μm-a ɛkwati membrane pore blockage. Wɔ gas a efĩ a epira wom (sɛ nhwɛso no, H2S Ɛboro anaa ɛyɛ pɛ 10 ppm, hydrocarbon a emu yɛ duru a ɛboro anaasɛ ɛyɛ pɛ 500 ppm) ho no, wɔde adsorption unit (activated carbon a wɔde yi sulfurization, molecular sieves a wɔde yi hydrocarbon a emu yɛ duru) ka ho de siw membrane nneɛma a ɛbɛsɛe ne adwumayɛ a ano yɛ den ano.
Nhyɛso ho nhyehyɛe:Wɔnam booster compressor anaa pressure reducing valve so na ɛhyɛ hydrogen-aduru a wɔadi kan ayɛ ho adwuma no mu anaasɛ wɔtew so kɔ nhyehyɛe no adwumayɛ nhyɛso (0.5-12.0 MPaG) so. Wɔkura nhyɛsoɔ nsonsonoeɛ a ɛyɛ den (mpɛn pii no 0.3-10 MPa) a ɛda aduane fã (nhyɛsoɔ kɛseɛ) ne permeate fã (nhyɛsoɔ a ɛba fam) ntam wɔ membrane no mu de ma tumi a ɛkanyan hydrogen a ɛkɔ mu.
Ntini a wɔpaapae mu:Mframa a wɔahyɛ no nhyɛso-hyɛn membrane module (a ɛyɛ fiber membranes mpempem pii a ɛyɛ tokuru) no mu. Hydrogen molecules fa membrane fasu no mu ntɛmntɛm kɔ permeate fã (low-pressure fã) wɔ nhyɛso nsonsonoe no ase, bere a efĩ te sɛ methane, carbon dioxide, ne nitrogen (low permeability) kɔ so tra aduan fã (retentate fã). Hydrogen ahotew a ɛwɔ permeate fã no du 99.0-99.999% (wotumi sesa denam membrane beae ne nhyɛso nsonsonoe a wodi so), na hydrogen a ɛsan ba pɛnkoro no yɛ 70-90%.
Permeate gas (hydrogen) a ɛma ɛyɛ den:Hydrogen a ɛho tew kɛse-fi permeate fã no hyɛn buffer tank mu ma nhyɛso no gyina (mpɛn pii no 0.1-1.0 MPaG). Wɔ tebea horow a ɛhia nhyɛsoɔ a ɛkorɔn (sɛ nhwɛsoɔ no, nsuo afiri a wɔde fa nsuo mu, petrol cell a wɔde di dwuma) ho no, wɔde hydrogen compressor ka ho de sesa nhyɛsoɔ no kɔ 2.0-40.0 MPaG. Wɔnam post-adsorption filter so yi efĩ kakraa bi a aka (sɛ ɛwɔ hɔ a) bio, na ɛhwɛ hu sɛ ade a etwa to no di nea ɔde di dwuma no ahotew ahwehwɛde ahorow ho dwuma.
Retentate gas (effĩ) a wɔtow gu:Wɔde retentate gas (a efĩ pii wom, a 5-20% residual H2) no brɛ nhyɛso ase kɔ wim nhyɛso mu denam nhyɛso a ɛma ahoɔden so. Wobetumi de adi dwuma sɛ pɛtro ama nsu a wɔde yɛ nsu anaa ɔhyew (a ɛsan nya ahoɔdennuru bo) anaasɛ wɔtow gu bere a wɔadu nneɛma a atwa yɛn ho ahyia mu mframa bɔne gyinapɛn ahorow ho akyi-a wɔkwati nneɛma a wɔsɛe no ne nneɛma a atwa yɛn ho ahyia a wɔsɛe no.
Hydrogen Membrane Ntetewmu Nhyehyɛe no mu Nneɛma Titiriw
Hydrogen a wɔpaw no kɛse
Membrane ade no wɔ hydrogen selectivity ratio (H2/CO2 Kɛseɛ anaa ɛyɛ pɛ 20, H2/CH4 Kɛseɛ anaa ɛyɛ pɛ 50) a ɛhwɛ ma wɔtetew mu yie, stably ma hydrogen a ɛho tew Kɛseɛ anaa ɛyɛ pɛ 99.0% na mpo ultra{3}}high cleanity (>=99.999%) ma petrol nkwammoaa mu dwumadie.
Tumi a wotumi sesa mu
Tumi a wɔde yɛ adwuma wɔ ade biako mu no fi 10 Nm3/h (ketewa-kɛseɛ wɔ-beae a wɔsan nya) kosi 50,000 Nm3/h (kɛse-mfiridwuma mu hydrogen ahotew), a ɛsakra ma ɛne hydrogen ahwehwɛde tebea ahorow hyia.
Nhyehyɛe a ɛyɛ pɛpɛɛpɛ
Membrane module no wɔ integration℃a ɛkorɔn (specific surface area>=1000 m2/m3), na wobetumi ayɛ nhyehyɛe no nyinaa sɛ skid-mounted unit-a ɛgye 30-50% a ɛsua sen atetesɛm adsorption anaa cryogenic separation equipment, a ɛfata ma limited-site deployment.
Ahoɔden a wɔde di dwuma kakraa bi
Adeyɛ no gyina nhyɛso-driven membrane permeation so, a enhia sɛ wɔyɛ ɔhyew, onwini, anaa nnuru a wɔde yɛ aduru a wɔsan yɛ no foforo. Ahoɔden pɔtee a wɔde di dwuma no yɛ 0.1-0.3 kWh/Nm3 H2 pɛ, a ɛba fam 40-60% sen pressure swing adsorption (PSA) nhyehyɛe ahorow.
Ntɛmntɛm fi ase-kɔ so
Nhyehyɛe no betumi adu hydrogen a wɔyɛ no pintinn wɔ simma 15-30 mu wɔ bere a wɔafi ase akyi (wɔnnyɛ preheating a ɛyɛ den anaasɛ adsorbent activation), na ɛma wotumi yɛ ho biribi ntɛmntɛm wɔ hydrogen ahwehwɛde mu nsakrae ho.
Mfaso a ɛwɔ yɛn adwumakuw no nneɛma so
Wɔ wiase nyinaa hydrogen ahoɔden adwumayɛ nkɔsoɔ mu no, nhyehyɛɛ a wɔayɛ no yie ne adeɛ titire a ɛbɛma wɔahwɛ sɛ membrane no mu mpaepaemu yɛ adwuma yie, ɛyɛ adwuma tenten, na ɛne gas nsuo ahodoɔ hyia. Yɛn adwumakuw no wɔ mfiridwumayɛfo kuw bi a wɔyɛ adwumaden a wɔwɔ bɛboro mfe 20 osuahu wɔ membrane mfiridwuma ne hydrogen ahotew mu, a wonim ɔman no mu ne amannɔne gyinapɛn ahorow te sɛ GB/T 37244 (hydrogen ahotew mfiridwuma), ISO 14687 (hydrogen su ma pɛtro nkwammoaa), ASME BPVC (nhyɛso nkuku), ne ASTM D6356 (membrane separation performance testing). Yɛde nhyehyɛe a wɔayɛ no sɛnea wɔpɛ a egyina adetɔfo gas su ahorow so (hydrogen dodow, efĩ su, nsu a ɛwɔ mu) ne nneɛma a wɔhwehwɛ (ahotew, nhyɛso, nsu a ɛsen): ma refinery off-gas nhyehyɛe ahorow no, yɛyɛ membrane nneɛma a wɔpaw no yiye na ama wɔatumi ako atia ngo ne sulfur nsɛe ma fuel cell hydrogen supply systems, yɛyɛ dual-membrane module a ɛbɛma yɛanya ultra-high ahotew ( Kɛse sen anaasɛ ɛyɛ pɛ 99.999%). Yɛgyae standardized templates na yɛyɛ detailed process simulation (via PRO/II) ma adwuma biara de ma hydrogen recovery rate kɛseɛ na yɛma ahoɔden a yɛde di dwuma no so tew.
Yɛn adwumakuw no de ISO9001 su pa sohwɛ nhyehyɛe no di dwuma denneennen wɔ adwuma no nkwa nna nyinaa mu, a ɛfa nhyehyɛe, adetɔ, adwinnan, ne adwuma a wɔde ma ho. Wɔ nhyehyɛɛ fã no mu no, mfiridwumayɛfoɔ mpaninfoɔ nam cross-akontabuo ne lab-scale sɔhwɛ so di membrane module adwumayɛ, nhyɛsoɔ a ɛba fam, ne nneɛma a ɛne ne ho hyia no ho adanseɛ; wɔde nneɛma titire (membrane modules, filters, compressors) fi nneɛma a wonim no yiye mu (sɛ nhwɛso no, Air Liquide membrane modules, Parker filters) na wɔyɛ nhwehwɛmu a ɛba sɛnea mfiridwuma mu nsɛm kyerɛ (sɛ nhwɛso no, membrane mpaapaemu a ɛyɛ adwuma yiye sɔhwɛ, nhyɛso a ɛko tia module ahorow no sɔhwɛ). Bere a wɔreyɛ no, membrane module a wɔde besisi hɔ ne pipeline nkitahodi no di adwumayɛ nhyehyɛe a wɔahyɛ da ayɛ (SOPs) akyi, a weld nyinaa a ɛfa nhyɛso-bearing components no kɔ sɔhwɛ a ɛnyɛ -destructive (UT, PT) mu nneɛma a wɔawie no fa nnɔnhwerew 72-sɔhwɛ a ɛkɔ so yɛ adwuma-a ɛkyerɛ sɛ hydrogen ho tew, sɛnea ɛsan nya ahoɔden, ne nhyɛso a ɛyɛ den-de hwɛ hu sɛ nsɛnkyerɛnnede nyinaa di nhyehyɛe ahwehwɛde ahorow ho dwuma.
Yɛbu nneɛma a wɔyɛ no yiedie sɛ adwumakuo no nkwa na yɛasi yɛn bo sɛ yɛde hydrogen membrane mpaepaemu nhyehyɛeɛ a ɛyɛ -ahotosoɔ kɛseɛ bɛma. Nhyehyɛe biara fa multi-level quality control mu: membrane modules no de polymer nneɛma a ɛyɛ adwuma yiye-a ne som nkwa nna yɛ mfe 3-5 (wɔ adwumayɛ tebea a ɛfata mu) na edi dwuma; wɔde nneɛma a ɛko tia nsɛe (316L dade a ɛnyɛ den a wɔde yɛ hydrogen adwuma) a ne nhyehyɛe nkwa nna yɛ Kɛse sen mfe 15 anaasɛ ɛne no yɛ pɛ na ɛyɛ nhyɛso nkuku ne nsu afiri; nhyehyɛe no bere a ɛda huammɔdi ntam (MTBF) boro nnɔnhwerew 8,000. Yɛde adansedi nkrataa a edi mũ ma, a membrane adwumayɛ sɔhwɛ amanneɛbɔ, nneɛma a ɛko tia amanneɛbɔ, ne nhyehyɛe nhyɛso sɔhwɛ amanneɛbɔ ka ho, na yɛhwɛ hu sɛ adwumayɛbea a ɛfata dodow a nneɛma no yɛ 100%.
Adetɔn akyi dwumadie a etu mpɔn ho hia paa na ama wɔahwɛ ahu sɛ wɔbɛkɔ so de hydrogen ama adetɔfoɔ. Sɛ yɛn nsa ka ɔsom abisadeɛ a, yɛn mfiridwuma kuo no de nsɛm a ɛdi kan ma wɔ nnɔnhwereɛ 8 (24/7) mu denam telefon, email, anaa video nhyiamu-a ɔhaw a wɔhwehwɛ (sɛ nhwɛsoɔ no, ahotew a ɛso atew a ɛnam membrane fouling so) ne ano aduru a edi kan ka ho. Wɔ nsɛm a wobetumi asiesie wɔ akyirikyiri (sɛ nhwɛso no, nhyɛso parameter nsakrae, filter a wɔde besi ananmu akwankyerɛ), yɛkyerɛ adetɔfo kwan ma wowie ɔhaw ahorow a wosiesie wɔ nnɔnhwerew 24 mu; wɔ on-site nsiesie ahiadeɛ (sɛ nhwɛsoɔ, membrane module sesa, compressor asiesie), yɛsoma mfiridwumayɛfoɔ a wɔwɔ hydrogen nhyehyɛeɛ ho nimdeɛ wɔ nnɔnhwereɛ 48 (ɔman mu) anaa nnɔnhwereɛ 72 (amanaman ntam) akyi a yɛasi ahwehwɛdeɛ no so dua. Yɛsan nso de nsiesie adwuma a wɔde siw ano daa ma (sɛ nhwɛso no, bosome mmiɛnsa biara membrane adwumayɛ ho sɔhwɛ, afe afe pipeline corrosion inspection) ne spare parts a wɔde ma ho bɔhyɛ ma sɛnea ɛbɛyɛ a mfiri no gyae adwumayɛ so tew.
Yɛn hydrogen membrane mpaepaemu nhyehyɛe ahorow no yɛ nea nnwumakuw atitiriw a wɔwɔ ngo a wɔde yɛ adwuma, nnuru, ne hydrogen ahoɔden nnwuma mu no gye tom kɛse esiane sɛ ɛyɛ adwuma yiye, ɛyɛ den, na wɔmfa ahoɔden pii nni dwuma nti. Adetɔfoɔ a wɔtaa yɛ no bi ne refinery off-gas hydrogen a wɔsan nya, nnuru a wɔde tew hydrogen ho, fuel cell hydrogen a wɔde ma, mfiridwuma mu hydrogen a ɛho tew a ɛkorɔn-hosiesie.
Yɛn adwumakuw no de biakoyɛ akwan a ɛyɛ mmerɛw ma de di adetɔfo ahiade ahorow ho dwuma:
● Turnkey project supply: Fa nnwuma a wɔaka abom ma fi design, manufacturing, installation so kosi commissioning, de Helium Membrane Separation a ɛyɛ krado-de -di dwuma bɛma;
● Nnwinnade tɔn: Tɔn nneɛma atitiriw (membrane modules, pretreatment filters, hydrogen compressors) wɔ ɔkwan soronko so ma adetɔfo a wɔwɔ ankasa-installation ne integration tumi;
● Adwumayɛ ne nsiesie som: Yɛ nhyehyɛe no adwumayɛ ne nsiesie bere tenten-yɛ, gye ka a egyina ɔsom bere anaa hydrogen a wɔyɛ so;
● Hydrogen a wɔde ma ho dwumadie: Fa sika hyɛ nhyehyɛeɛ no mu na yɛ adwuma, tɔn hydrogen a ɛho tew a ɛkorɔn-ma adetɔfoɔ a egyina nea wɔde di dwuma ankasa so-a ɛtew adetɔfoɔ mfitiaseɛ sikasɛm mu nhyɛsoɔ so.
Mfiridwuma ahorow a wɔde tew hydrogen ho a wɔde toto ho
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Mfiridwuma a wɔde tew hydrogen ho |
Nnyinasosɛm atitiriw |
Mfaso a ɛwɔ so |
Nsɛm tebea horow a ɛfata |
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Hydrogen Membrane Nkyekyɛmu Nhyehyɛe |
Hydrogen a wɔpaw fa polymer membranes mu wɔ nhyɛso nsonsonoe ase |
Ahoɔden a wɔde di dwuma kakraa bi, nhyehyɛe a ɛyɛ ketewa, mfiase ntɛmntɛm-up |
Refinery off-gas hydrogen a wɔsan nya, medium-scale mfiridwuma mu hydrogen ahotew (H2 dodow 30-90%) |
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Nhyɛso a Wɔde Swing Adsorption (PSA) . |
Nneɛma a ɛtwetwe nneɛma a ɛyɛ den (molecular sieves) paw efĩ, na nhyɛso swing ma ɛsan yɛ foforo |
Hydrogen ahotew a ɛkorɔn ( Ɛboro anaasɛ ɛyɛ pɛ 99.999%), adwumayɛ a ɛyɛ mmerɛw |
Hydrogen a wɔde tew ho nketewa kosi akɛse-(H2 dodow 50-95%), pɛtro nkwammoaa hydrogen a wɔde ma |
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Cryogenic Nsuo a Wɔde Yɛ Nsuo |
Ntetewmu a egyina nsonsonoe a ɛwɔ baabi a ɛbobɔ so (H2: -252.8℃; efĩ: nsuo a ɛkɔ soro) denam onwini a ɛba fam so |
Kɛse processing tumi, high recovery rate |
Hydrogen a wɔyɛ no kɛse-kɛseɛ (sɛ nhwɛsoɔ no, afifideɛ a wɔde yɛ abɔdeɛ mu mframa a ɛsesa a H2 Kɛseɛ anaa ɛne no yɛ pɛ 90%) . |
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Nnuru a Wɔde Hyehyɛ Nneɛma Mu |
Efĩ (sɛ nhwɛso no, CO2, H2S) ne nnuru a wɔde yɛ nneɛma (amines, alkalis) yɛ adwuma de yi fi hɔ |
Efĩ a ɛkorɔn a woyi fi hɔ yiye, a ɛfata ma mframa a ɛho ntew kɛse- |
Hydrogen a wɔde tew ho a acid gas pii wom (sɛ nhwɛso no, biomass gasification gas a CO2 a ɛboro anaasɛ ɛyɛ pɛ 20%) . |
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Dade Hydride a Wɔde Hyehyɛ Nneɛma Mu |
Hydrogen yɛ nea dade hydrides (sɛ nhwɛso no, LaNi1) na ɛtwetwe wɔ ɔhyew a ɛba fam/nhyɛso kɛse mu, wɔyi fi mu wɔ ɔhyew a ɛkorɔn/nhyɛso a ɛba fam mu |
Hydrogen ahotew a ɛkorɔn, ahobammɔ pa |
Hydrogen a wɔde tew ho nketewa-beae (sɛ nhwɛso no, aduruyɛdan, pɛtro nkwammoaa nhyehyɛe nketewa) . |
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