Boleng bo Phahameng China Barekisi ba Khōlo ba LNG ba Liquefaction - 67~134 TPD skid mounted liquefaction unit ea khase ea tlhaho - Rongteng

Kakaretso ea sistimi

Phepelo ea khase ea tlhaho e kena tsamaisong ea khase ea tlhaho pele e hloekisa ka mor'a ho sefa, karohano, taolo ea khatello le metering. Ka mor'a hore CO₂, Hg le H₂O tlosoa, e kena ka liquefaction batang lebokose le reng, e pholileng, liquefied le naetrojene tlosoa ka poleiti fin mocheso exchanger, 'me joale khutlela ho lebokose le batang ho tsoela pele tsidifatso, undercooling, throttling le ho benya ho tanka flash. Karolo e arohaneng ea mokelikeli e kena ka tanka ea polokelo ea LNG e le lihlahisoa tsa LNG.

Mekhoa ea mantlha le mekhoa ea tekheniki ea yuniti ke:

Sebelisa MDEA ho tlosa carbon dioxide;

Sieve ea molek'hule e sebelisoa ho tlosa metsi a mangata;

Ho tlosoa ha mercury ka sebabole se kentsoeng ka carbon activated;

Sebelisa lielemente tse nepahetseng ho sefa sefa sa molek'hule le lerole la khabone le kentsoeng

Ho tlosoa ha naetrojene ka mocheso o tlaase oa distillation;

Ts'ebetso ea sehatsetsi sa MRC (motsoako oa sehatsetsing) e amoheloa ho ntša khase eohle ea tlhaho e hloekisitsoeng.

Sistimi ea ts'ebetso e kenyelletsa:

Methara le karohano ea khase e tala;

Sistimi ea kalafo ea pele (ho kenyelletsa decarburization, ho tlosoa ha mercury, ho felloa ke metsi le ho tlosa lerōle);

MR proportioning system le MR compression circulation system;

Sistimi ea liquefaction ea LNG;

Mokhoa oa ho boloka le oa ho kenya LNG.

Bog recovery system

Feed gase filtration karohano le khatello e laolang unit

Khase ea phepelo ea tlhaho e tsoang holimo ho noka e phalla ka phaephe ka khatello ea 5.0 ~ 6.0MpaG e kena ka har'a sekhetho sa sefepi sa khase ka mor'a ho laola khatello, ebe e kena tsamaisong e tlase ka mor'a karohano le metering.

Lisebelisoa tse ka sehloohong tsa ts'ebetso ke karohano ea filthara ea khase, flowmeter, regulator ea khatello, jj.

2) Litlhophiso tsa moralo

Matla a ho sebetsa: 20×10⁴Nm³/letsatsi

Liphetoho tse fapaneng: 50% ~ 110%

Tsamaiso ea pele

Setsi sa phepelo ea khase ea deacidization

1) Tlhaloso ea ts'ebetso

Khase ea phepelo e tsoang holimo nōkeng e kena karolong ea khase ea deacidification, e sebelisang tharollo ea MDEA ho tlosa likhase tsa asiti tse kang CO.₂le H₂S ka khase ea phepelo.

Khase ea tlhaho e kena ho tloha karolong e ka tlaase ea mokelikeli (tora e monyang) 'me e feta ka mokelikeli ho tloha tlase ho ea holimo; Tharollo ea MDEA e tsosolositsoeng ka ho feletseng (tharollo e boima) e kena ho tloha karolong e ka holimo ea mokelikeli 'me e feta ka mokelikeli ho tloha holimo ho ea tlaase. Tharollo e fapaneng ea phallo ea MDEA le khase ea tlhaho li hokahane ka botlalo ka har'a mokelikeli, CO₂ka khase e kenngoa 'me e kene ka mokelikeli,' me likarolo tse sa jeoang li lebisoa ho tsoa tlhōrōng ea mokelikeli ebe li kenya pholileng ea khase ea decarbonization le karohano. Khase e tsoang karohanong ea khase ea decarbonization e kena karolong ea ho tlosa mercury ea phepelo ea khase, 'me condensate e ea tanka ea flash.

Litaba tsa CO₂khase ea tlhaho e tšoaroang e ka tlase ho 50ppmv.

Tharollo ea MDEA e monyang CO₂e bitsoa tharollo e ruileng, e romeloang toreng ea flash, 'me khase ea tlhaho e khantšitsoeng ke ho tepella maikutlo e romeloa tsamaisong ea mafura. Kamora phapanyetsano ea mocheso lipakeng tsa mokelikeli o mongata le tharollo (mokelikeli o mosesaane) o phallang ho tsoa botebong ba tora e nchafatsang, phahamisa mocheso ho ~ 98 ℃ ho ea karolong e kaholimo ea tora ea nchafatso, 'me u ntlafatse ho nchafatsa tora ea ho nchafatsa ho fihlela tekanyo e tlase ea mokelikeli o mosehla o fihla index.

Mokelikeli o mosesaane o tsoang tora ea ho nchafatsa o feta har'a mochini o futhumatsang oa mokelikeli o fokolang le o fokolang oa mokelikeli o pholileng. Mokelikeli o mosesaane o pholile ho ~ 40 ℃, o hatelloa ke pompo ea mokelikeli o mosesaane 'me o kena ho tsoa karolong e ka holimo ea tora ea ho monya.

Khase e tsoang ka holimo ho tora ea tsosoloso e kena ka har'a karohano ea khase ea asiti ka pholileng ea khase ea acid, khase e tsoang ho se arola khase ea acid e romeloa tsamaisong ea ho ntša khase ea acid, 'me condensate e romelloa ho karohano ea flash ka mor'a ho hatelloa ke pompo ea ho hlaphoheloa.

Mohloli oa mocheso oa reboiler ea tora ea tsosoloso o futhumatsoa ke oli e fetisang mocheso.

Lisebelisoa tsa mantlha tsa yuniti ena ke tora ea ho monya le tora ea ho nchafatsa.