10~30×10⁴Nm³/d I-Liquefaction enkulu ye-LNG

Isingeniso

I-Liquefaction gas yemvelo, maduze ebizwa nge-LNG, ijiya igesi yemvelo ibe uketshezi ngokupholisa igesi yemvelo eyigesi ngaphansi kwengcindezi evamile ukuya ku-162 ℃. I-liquefaction yegesi yemvelo ingasindisa kakhulu indawo yokugcina neyokuthutha, futhi inezinzuzo zenani elikhulu le-calorific, ukusebenza okuphezulu, okuhambisana nokulinganisela kokulawulwa kwemithwalo yasemadolobheni, okuhambisana nokuvikelwa kwemvelo, ukunciphisa ukungcoliswa kwedolobha nokunye.

I-Liquefaction iwumgogodla wokukhiqizwa kwe-LNG kanye nesitshalo se-LNG esifakwe ngokushushuluza. Njengamanje, izinqubo ezivuthiwe zegesi yemvelo zokuncibilika ikakhulukazi zifaka inqubo yokuncibilika kwe-cascade, inqubo yokuxutshwa kwesiqandisi esiqandisini kanye nenqubo yokucwiliswa kwe-liquefaction nge-expander.

Inqubo ye-Cascade ye-liquefaction yegesi yemvelo isebenzisa amaphuzu ahlukene abilayo esiqandisini ngaphansi kwengcindezi evamile ukuze kuncishiswe izinga lokushisa lesiqandisi isinyathelo ngesinyathelo ukuze kufezwe injongo yokuncibilika kwegesi yemvelo.

I-Mixed refrigerant cycle (MRC) iyinqubo lapho izinhlobo ezingaphezu kwezinhlanu zeziqandisi ezixubene izingxenye eziningi, njenge-C1 ~ C5 Hydrocarbons kanye ne-N2, zisetshenziswa njengoketshezi olusebenzayo ukufingqa, ukuhwamuka nokwandisa isinyathelo ngesinyathelo ukuze kutholwe umthamo wesiqandisi amazinga okushisa ahlukene, bese kuthi kancane kancane kuphole futhi kuncibilike igesi yemvelo. I-Mixed refrigerant liquefaction process ihlukaniswe yaba izinhlobo eziningi ezahlukene zomjikelezo wesiqandisi.

Inqubo ye-liquefaction ene-expander isho inqubo yokuncibilika kwegesi yemvelo ngokusebenzisa isiqandisi esinengcindezi ephezulu ukuze sibone ukuhlehla kwesiqandisi somjikelezo we-Claude esinokunwetshwa kwe-adiabatic kwe-turbo expander.

Uhlelo lwenqubo ikakhulukazi luhlanganisa: iyunithi yokulawula ingcindezi yegesi ephakelayo kanye neyunithi yokulinganisa, iyunithi yokuhlanza igesi yemvelo kanye neyunithi yegesi yemvelo, isistimu yokugcina isiqandisi, uhlelo lokucindezelwa okujikelezayo kwesiqandisi, ukugcinwa kwe-LNG kanye neyunithi yokulayisha.

Ipharamitha yokuklama

Ukudizayina i-LNG Plant Skid, sidinga ipharamitha elandelayo.

1) Izimo eziyisisekelo zokuklama izitshalo:

Ukugeleza kwegesi okuphakelayo

Okuphakelayo umfutho wegesi

Izinga lokushisa legesi lokuphakelayo

Okuqukethwe kwamanzi mahhala kwegesi yokudla

2）Ukwakheka okuningiliziwe kwegesi yokuphakelayo (imvukuzane%)

3) Imininingwane yomkhiqizo:

Igesi yemvelo ewuketshezi:

Ingcindezi yokuphuma

Izinga lokushisa elipholile ngaphansi kwengcindezi yokuphuma

Okuqukethwe okuphezulu kwe-nitrogen

Okuqukethwe okuphezulu kwe-carbon dioxide