Baetsi ba Limela tsa China LNG tsa Boleng bo Phahameng - Setsi sa ho kheloha sa 50×104m3 / D sa tlhaho se qoelisang khase ea tlhaho - Rongteng

Selelekela

Kaho ea morero 50 × 10⁴m³/ D morero oa ho tlosa khase ea tlhaho le lisebelisoa tse tšehetsang le tanka e le 'ngoe ea 10000 m3 LNG e felletseng. Likarolo tse kholo tsa ts'ebetso li kenyelletsa khatello ea khase ea phepelo, yuniti ea decarbonization, yuniti ea dehydration, mercury le yuniti e boima ea ho tlosa hydrocarbon, yuniti ea liquefaction, polokelo ea sehatsetsing, khatello ea mouoane oa flash, polasi ea tanka ea LNG le lisebelisoa tsa ho kenya.

Phekolo ea khase ea tlhaho pele ho metsi e sebetsa joang?

Mohloli oa seliba oa lijo tsa limela o tla ka sebōpeho sa khase ka phala. Khase ea tlhaho e ntšitsoeng fatše e na le litšila, metsi le maro a mang a amanang le eona, kahoo pele mokelikeli o ka etsahala, khase e hloka ho feta ka mokhoa oa phekolo ho tlosa lintho tse sa batleheng. Khase e feta har'a letoto la likepe, li-compressor le liphaephe moo khase e arohanngoang le maro a boima le litšila.

Ntlha ea pele, metsi le condensate lia tlosoa, li lateloa keho tlosoa ha khase ea asiti(carbon dioxide, CO2), hydrogen sulfide (H2S) le mercury (Hg). Lintho tsena ha li batlehe, kaha li ka baka leqhoa nakong ea ho qhibiliha le ho bola liphaepheng le li-exchanger tsa mocheso oa LNG. Motsoako o setseng o pholile pele, 'me tse ling, tse boima haholo, metsi a khase ea tlhaho a arohanngoa le motsoako pele liquefaction e etsahala. Li-hydrocarbon tse tlositsoeng li ka bolokoa le ho rekisoa ka thoko. Khase e setseng hangata e na le methane le ethane e 'ngoe, e tlisoang ke ho qhibiliha.

Liquefaction ea LNG e sebetsa joang?

Ho tsamaisa khase e hatelitsoeng sebaka se selelele ka phala ho ka bitsa chelete e ngata 'me ho ja nako, empa ka ho pholisa khase ea tlhaho ho -162 ° C, e fetoha ntho e metsi, 'me molumo oa eona o fokotseha ka makhetlo a 600. Sena se etsa hore ho khonehe ho tsamaisa khase ka sekepe, 'me ts'ebetso ena e khoneha fekthering ea LNG. The liquefaction le LNG cooling process li ipapisitse le lipotoloho tsa sehatsetsing sa thermodynamic, 'me li etsahala ho li-exchangers tsa mocheso oa cryogenic, tse monyang mocheso ho tsoa khase ea tlhaho. Khase ea Flash le BOG li ka sebelisoa e le mafura bakeng sa li-turbine tse sebelisetsoang ho fehla motlakase sebakeng seo.

Re arola haholo-holo lipakeng tsa mefuta e 'meli ea mantlha ea lits'ebetso tsa mokelikeli: mokhoa oa khale oa cascade moo ho sebelisoang lihatsetsi tse fetohang mouoane ka mocheso o fapaneng, le potoloho e tsoakiloeng ea sehatsetsi moo motsoako o le mong oa lihatsetsi o pholisoang. Ka tsela efe kapa efe, sehlahisoa sa ho qetela ke LNG, e bolokiloeng ka litanka tsa cryogenic setšeng pele e romelloa.