Bayanin Samfura
Tushen iskar gas mai ruwa (wanda kuma aka sani da shuka na LNG) babban nau'in kayan aiki ne na- wanda ya haɗu da tsarkakewar iskar gas da kuma shan ruwa.
Babban ka'idarsa shine a fara cire ƙazanta (ruwa, carbon dioxide, mahadi na sulfur, hydrocarbons mai nauyi) daga ɗanyen iskar gas, sannan a kwantar da iskar gas ɗin da aka tsarkake zuwa kusan -162 digiri ta hanyar tsarin sanyi mai matakai da yawa don canza shi zuwa ruwa, rage girmansa da kusan sau 600 don ingantaccen ajiya da sufuri.
Yana iya samar da tsaftar LNG mai girma - kuma shine ainihin kayan aiki don dunkulewar iskar gas ta duniya.
Ƙa'idar aiki
Ana iya taƙaita tsarin aiki na Shuka Liquefaction na Gas na Gas a matsayin matakai guda bakwai: matsananciyar iskar gas → pretreatment (dehydration, desulfurization) → nauyi cirewar hydrocarbon → cirewar mercury → liquefaction cryogenic → ajiya LNG → fitowar samfur
Danyen iskar gas:Raw iskar gas (yawanci a 0.5-5.0 MPa) an matsa zuwa 4.0-7.0 MPa ta hanyar kwampreso, yana ba da yanayin matsa lamba don tsarkakewa da ruwa mai zuwa.
Magani (dehydration, desulfurization):Danyen iskar gas ɗin da aka matsa yana shiga tsarin da aka rigaya. Rashin ruwa (ta yin amfani da sieves na kwayoyin halitta) yana rage abun ciki na ruwa zuwa kasa da 1 ppm (don kauce wa samuwar kankara a lokacin liquefaction); desulfurization (ta yin amfani da amine sha ko adsorption) yana kawar da hydrogen sulfide da kwayoyin sulfur, rage jimlar sulfur zuwa kasa 50 ppm (don hana lalata kayan aiki da guba mai kara kuzari).
Cire sinadarin hydrocarbon mai nauyi:Gas ɗin da aka riga aka gyara yana shiga hasumiya mai juzu'i don raba manyan hydrocarbons (ethane, propane, butane, da sauransu) ta hanyar bambance-bambancen ma'ana, tabbatar da babban abun ciki na hydrocarbon a cikin iskar gas ɗin yana ƙasa da 0.1% (don guje wa ƙarfafawa a lokacin liquefaction).
Cire Mercury:Gas yana gudana ta hasumiya mai tallata mercury (cike da sulfur -carbon da aka kunna cikin ciki) don rage abun ciki na mercury zuwa ƙasa da 0.01 ug/Nm³ (don hana lalata na'urorin musayar zafi na aluminium).
Cryogenic liquefaction:Tsaftataccen iskar gas yana shiga cikin tsarin sarrafa ruwa (fasaha na yau da kullun sun haɗa da C3/MRC, AP{1}}X, ko haɗaɗɗen sake zagayowar firji). Yana jurewa zafi tare da na'ura mai sanyaya ({3}) da yawa (wanda ya ƙunshi nitrogen, methane, ethane, propane, da dai sauransu) a cikin jerin masu musanya zafi, sannu a hankali yana sanyaya daga yanayin yanayi zuwa digiri -162, yana juyawa daga gas zuwa LNG ruwa.
Ma'ajiyar LNG:Ana adana iskar gas mai ruwa a cikin tankunan ajiya na cryogenic da aka keɓe (a -162 digiri kuma kusa da matsa lamba na yanayi) don rage yawan hasara.
Fitowar samfur:Ana fitar da LNG daga tankunan ajiya zuwa tashoshi masu lodi, sannan a loda su cikin masu ɗaukar LNG ko manyan motocin tanki don sufuri. Gas da aka kwashe (BOG, tafasa -kashe gas) a cikin tsarin ajiyar ana dawo da shi kuma ana sake danne shi don sake amfani da shi a cikin tsarin mai ko kuma azaman mai.
Fasalolin Mahimman Abubuwan Tsirrai Na Gas Na Halitta
Babban tsarki
Yana iya samar da LNG da ƙarfi tare da abun ciki methane Mafi girma ko daidai da 99.0%, tare da ƙarancin ƙazanta (nitrogen Kasa ko daidai da 0.5%, carbon dioxide ƙasa da ko daidai da 50 ppm) saduwa da ƙa'idodin duniya kamar EN 1160 da GB/T 19204.
01
Babban ƙarfin samarwa
Ƙarfin samar da tsire-tsire na shekara-shekara daga ton 50,000 zuwa ton 10,000,000, wanda ya dace da wadatar yanki da yanayin kasuwancin duniya.
02
Low evaporation asarar
Babban fasahar rufewa da tsarin dawo da BOG suna tabbatar da asarar ƙawancen ajiya Kasa da ko daidai da 0.15% kowace rana, rage sharar makamashi.
03
Cikakken ƙazantacce
Multi{0}}Tsarin tsarkakewa mataki yana cire duk ƙazanta masu cutarwa, tabbatar da cewa LNG ba shi da lahani kuma ya dace da adanawa da sufuri na dogon lokaci.
04
Dogon sake zagayowar aiki
Da zarar tsayayye, shuka zai iya ci gaba da aiki har tsawon shekaru 2-3, tare da tsare-tsaren rufewa don kula da mahimman kayan aiki kamar compressors da masu musayar zafi.
05
Amfanin samfuran kamfaninmu
A cikin mahallin haɗin gwiwar makamashin duniya, ingantaccen ƙira yana da mahimmanci don tabbatar da ingancin shukar LNG, aminci, da farashi{0}} inganci. Kamfaninmu yana da ƙungiyar injiniyoyi tare da fiye da shekaru 30 na gwaninta a cikin liquefaction cryogenic, wanda ya saba da ka'idodin duniya kamar API, ASME, ISO, da EN. Muna keɓance ƙira dangane da ɗanyen iskar gas (misali, abun cikin methane, nau'ikan ƙazanta) da sikelin samarwa, haɓaka sigogin sake zagayowar firiji, cibiyoyin sadarwar zafi, da tsarin dawo da BOG don cimma takamaiman amfani da makamashi na Kasa da ko daidai da 0.3 kWh/Nm³ (ƙasa da matsakaicin masana'antu). Muna guje wa daidaitattun samfura, tabbatar da kowace shuka ta dace da yanayin ciyarwa na musamman da buƙatun fitarwa.
Kamfaninmu yana aiwatar da tsarin kula da ingancin ingancin ISO9001 da ka'idodin sarrafa carbon ISO14064 a duk tsawon rayuwar aikin, ƙirar ƙira, siye, gini, da ƙaddamarwa. A lokacin ƙira, simintin tsari yana tabbatar da ingancin liquefaction da iyakokin aminci; key kayan aiki (compressors, cryogenic zafi musayar, ajiya tankuna) jurewa - na ɓangare na uku dubawa (ciki har da matsa lamba gwajin da yoyo ganowa); gini yana biye da tsauraran hanyoyin walda don bututun cryogenic (tare da gwajin UT/RT); ƙaddamarwa ya haɗa da ci gaba da aiki na sa'o'i 100 don tabbatar da tsabtar LNG, ƙarfin samarwa, da amfani da makamashi. Wannan tsari na tsari yana tabbatar da isarwa akan lokaci da kuma yarda da alamun ƙira.
Muna ɗaukar ingancin samfur a matsayin tushen amintaccen samar da LNG. Kowace shuka tana jurewa ingantaccen kulawar inganci: kayan aikin cryogenic (misali, 304L bakin karfe, aluminum gami 5083) saduwa da ƙananan buƙatun taurin zafin jiki (gwajin tasiri mafi girma ko daidai da 27 J a -196 digiri); Maɓalli masu mahimmanci (mamfara, bawuloli) ana samo su daga manyan samfuran ƙasashen duniya tare da rayuwar sabis mafi Girma ko daidai da shekaru 20; injin ya sami nasarar fara farawa na 100% da kwanciyar hankali na aiki mafi girma fiye ko daidai da 95% (ban da kiyayewa). Muna ba da cikakkun takaddun inganci, gami da takaddun shaida, rahotannin aikin cryogenic, da takaddun shaida na aminci.
Ingantaccen sabis yana tabbatar da ci gaba da samar da LNG mai aminci. Bayan karɓar buƙatar sabis, ƙungiyar fasahar mu tana ba da amsa ta farko a cikin sa'o'i 12 (24/7) ta waya, imel, ko bidiyo. Don batutuwa masu nisa (misali, haɓaka siga), muna jagorantar ƙuduri a cikin sa'o'i 24; don buƙatun rukunin yanar gizo, ana aika injiniyoyi a cikin awanni 48 (na gida) ko awanni 72 (na duniya). Hakanan muna ba da tsare-tsaren kulawa na yau da kullun (gami da tsaftacewar mai canza zafi da sake cika refrigerant) don rage raguwar lokaci.
Kamfaninmu yana ba da ayyukan maɓalli na EPC don Tsarin Gas ɗin Gas na Musamman, da sabis na fasaha kamar haɓaka tsari da horar da ma'aikata. Ga abokan cinikin da ke buƙatar samar da LNG, muna ba da samfuran haɗin gwiwa (co{1}}sa hannun jari a cikin tsire-tsire da fitarwa) don rage matsin saka hannun jari na farko.
Kwatanta nau'ikan fasahohin liquefaction na LNG
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Fasahar sarrafa liquefaction LNG |
Ka'idodin mahimmanci |
Amfani |
Abubuwan da suka dace |
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C3/MRC (Propane Pre{1}}Cycled Mixed Refrigerant Cycle) |
Propane pre{0}} yana sanyaya iskar gas, sannan gauraye refrigerant (N₂, CH₄, C₂H₆, C₃H₈) ya kammala liquefaction |
Balagagge fasaha, babban inganci |
Manya-manyan tsire-tsire masu sikelin {{0} (Mafi girma ko daidai da tan miliyan 2/shekara) |
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AP -X (Babban Tsari - eExpanded) |
Ingantaccen MRC tare da faɗaɗa kwararar firji, rage yawan kuzari |
Ƙananan ƙayyadaddun amfani da makamashi, babban iya aiki |
Ultra{0}manyan shuke-shuke (Mafi girma ko daidai da tan miliyan 5/shekara) don fitarwa |
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Zagayen cascade |
Uku{0}mataki mai sanyi tare da propane, ethylene, da methane |
Babban aminci, aiki mai sauƙi |
Matsakaici{0} shuke-shuke ( ton miliyan 50,000-1 / shekara) |
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SMR (Frigeant Mixed Guda) |
Gauraye firji guda ɗaya yana samun cikakken kewayon sanyaya |
Ƙananan kayan aiki, ƙananan zuba jari |
Ƙananan shuke-shuke {{0} ( ƙasa da ko daidai da tan 500,000 / shekara) don wadatar yanki |
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LNG mai iyo (FLNG) |
Kamfanin LNG da aka sanya akan dandamalin teku, yana sarrafa iskar gas |
Babu kayan aikin kan teku da ake buƙata |
Filayen iskar gas mai nisa daga ƙasa |
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