Kiʻekiʻe kiʻekiʻe Kina Nui LNG Liquefaction Exporters - 67~134 TPD skid kau ʻia i ke kinoea liquefaction unit - Rongteng Detail:
ʻIke pūnaewele
Hoʻokomo ke kinoea kūlohelohe i ka ʻōnaehana hoʻomaʻemaʻe kinoea kūlohelohe ma hope o ka kānana ʻana, ka hoʻokaʻawale ʻana, ka hoʻoponopono kaomi a me ka ana ʻana. Ma hope o CO2, Hg a me H2Wehe ʻia ʻo O, komo ia i loko o ka pahu anu liquefaction, i hoʻoluʻu ʻia, liquefied a me ka nitrogen i wehe ʻia i loko o ka pā fin heat exchanger, a laila hoʻi i ka pahu anu e hoʻomau i ka hoʻoluʻu, undercooling, throttling a uila i ka pahu uila. Hoʻokomo ka māhele wai i hoʻokaʻawale ʻia i ka pahu mālama LNG e like me nā huahana LNG.
ʻO ke kaʻina hana nui a me nā ʻano loea o ka ʻāpana:
E hoʻohana i ka MDEA e wehe i ka carbon dioxide;
Hoʻohana ʻia ka kānana molekula no ka wehe ʻana i ka wai;
Wehe ʻia ka mercury e ka sulfur impregnated activated carbon;
E hoʻohana i nā mea kānana pololei e kānana ai i ka kānana molekala a me ka lepo kalapona hoʻā
ʻO ka wehe ʻana o ka nitrogen ma ka distillation haʻahaʻa haʻahaʻa;
MRC (mixed refrigerant) cycle refrigeration process is adopted to liquefy all cleansed natural gas
Aia ka ʻōnaehana kaʻina hana:
ʻO ka ana a me ka hoʻokaʻawale ʻana i ke kinoea maka;
Pūnaehana hoʻomaʻamaʻa mua (me ka decarburization, ka wehe ʻana i ka mercury, dehydration a me ka wehe ʻana i ka lepo);
MR proportioning system and MR compression circulation system;
Pūnaehana LNG liquefaction;
Pūnaehana mālama LNG a hoʻouka.
Pūnaehana hoʻihoʻi wahī
Hanai kinoea kānana hoʻokaʻawale a me ka puʻe hooponopono ana
ʻO ka hānai kinoea maoli mai ka upstream kahe i loko o ka pipeline ma ke kaomi o 5.0 ~ 6.0MpaG komo i ka meaʻai kinoea inlet kānana separator ma hope o ke kaomi hooponopono ana, a komo i ka downstream nenoaiu ma hope o ka hookaawale ana a me ka ana.
ʻO ka mea hana kaʻina hana nui ka mea hoʻokaʻawale kānana meaʻai, flowmeter, pressure regulator, etc.
2) Nā ʻāpana hoʻolālā
Hiki ke hana: 20×104ʻO Nm3/lā
Ka laulā hoʻololi: 50% ~ 110%
Pūnaehana hoʻomaʻamaʻa mua
Hanai kinoea deacidification unit
1) wehewehe kaʻina hana
ʻO ke kinoea hānai mai ka upstream e komo i ka deacidification gas unit, e hoʻohana ana i ka solution MDEA e wehe i nā kinoea waikawa e like me CO.2a me H2S i ke kinoea hānai.
Komo ke kinoea kūlohelohe mai ka ʻaoʻao haʻahaʻa o ka mea hoʻoheheʻe ( hale kiaʻi hoʻomoe) a hele i loko o ka mea hoʻoheheʻe mai lalo a luna; ʻO ka solution MDEA i hoʻoponopono hou ʻia (lean solution) komo mai ka ʻaoʻao o luna o ka mea hoʻoheheʻe a hele i loko o ka mea hoʻopili mai luna a lalo. Hoʻopili piha ʻia ka hoʻololi ʻana o ka MDEA a me ke kinoea maoli i loko o ka absorber, ka CO2i loko o ke kinoea ua komo a komo i loko o ka wai, a me na mea unabsorbed alakai ia mai ka piko o ka absorber a komo i ka decarbonization kinoea cooler a me ka mea hoʻokaʻawale. Ke kinoea mai ka decarbonization kinoea hoʻokaʻawale komo i ka hanai kinoea hoʻohemo mercury, a hele ka condensate i ka pahu uila.
ʻO ka maʻiʻo o CO2i loko o ke kinoea kūlohelohe i mālama ʻia ma lalo o 50ppmv.
ʻO ka hoʻonā MDEA e hoʻopili ana i ka CO2kapa ʻia ka waiwai waiwai, i hoʻouna ʻia i ka hale kiaʻi uila, a hoʻouna ʻia ke kinoea kūlohelohe e ka depressurization i ka ʻōnaehana wahie. Ma hope o ka hoʻololi ʻana i ka wela ma waena o ka wai momona flash a me ka hopena (lean wai) e kahe ana mai ka lalo o ka hale kiaʻi hou, e hoʻokiʻekiʻe i ka mahana i ~ 98 ℃ i ka ʻaoʻao o luna o ka hale kiaʻi hou, a e hoʻokō i ka hoʻihoʻi hou ʻana i ka hale kiaʻi hou a hiki i ka pae lean o ka wai lean i ka index.
ʻO ka wai wiwi i waho o ka hale kiaʻi hou e hele i loko o ka mea hoʻololi wela wai waiwai a maikaʻi ʻole a me ka mea hoʻomaʻamaʻa wai lean. Hoʻomaʻalili ʻia ka wai lean i ~ 40 ℃, kaomi ʻia e ka pā wai lean a komo mai ka ʻaoʻao o luna o ka hale kiaʻi absorption.
ʻO ke kinoea puka ma luna o ka hale kiaʻi hoʻoulu hou e komo i ka mea hoʻokaʻawale kinoea ma o ka mea hoʻomaʻamaʻa kinoea acid, hoʻouna ʻia ke kinoea mai ka mea hoʻokaʻawale kinoea waikawa i ka ʻōnaehana hoʻokuʻu kinoea, a hoʻouna ʻia ka condensate i ka mea hoʻokaʻawale uila ma hope o ka kaomi ʻana e ka pamu hoʻihoʻi.
ʻO ke kumu wela o ka reboiler o regeneration tower ua hoʻomehana ʻia e ka ʻaila hoʻoili wela.
ʻO nā mea hana nui o kēia ʻāpana he absorption tower a me regeneration tower.
Nā kiʻi kikoʻī huahana:




Alakaʻi Huahana Pili:
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Na Keristiano mai Kaleponi - 2018.09.08 17:09 ʻAʻole mahalo kēia mau mea hana i kā mākou koho a me nā koi, akā hāʻawi pū kekahi iā mākou i nā manaʻo maikaʻi he nui, i ka hopena, ua hoʻopau maikaʻi mākou i nā hana kūʻai.
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