Wehewehena
ʻO ka molecular sieve dehydration skid kahi mea nui i ka hoʻomaʻemaʻe kinoea kūlohelohe a i ʻole ka hoʻomaʻamaʻa kinoea kūlohelohe. ʻO ka molecular sieve he kristal aluminosilicate metala alkali me ke ʻano hana a me ke ʻano microporous like. Ke hele ka kinoea hānai e loaʻa ana ka wai trace ma o ka moena sieve molecular i ka mahana o ka lumi, ua omo ʻia ka wai trace a me ka mercaptan, a laila e hōʻemi ana i ka wai a me ka mercaptan i loko o ke kinoea hānai, e hoʻomaopopo ana i ke kumu o ka dehydration a me ka desulfurization. Hoʻokō pinepine ʻia ke kaʻina hana adsorption o ka molecular sieve ma ka mahana haʻahaʻa a me ke kaomi kiʻekiʻe, ʻoiai ʻo ka desorption regeneration e hana ʻia ma ka mahana kiʻekiʻe a me ke kaomi haʻahaʻa. Ma lalo o ka hana o ke kinoea regeneration wela kiʻekiʻe, maʻemaʻe a me ke kaomi haʻahaʻa, hoʻokuʻu ka adsorbent sieve molecular i ka adsorbate i loko o ka micropore i loko o ke kahe kinoea regeneration a hiki i ka nui o ka adsorbate i loko o ka adsorbent i kahi pae haʻahaʻa loa, a loaʻa iā ia ka hiki ke omo i ka wai a me ka mercaptan mai ke kinoea hānai, e hoʻomaopopo ana i ke kaʻina hana hou a me ka hana hou ʻana o ka molecular sieve.
ʻO ke ʻano kānana molekala kahi ʻano hana hoʻomaloʻo hohonu, kahi i hoʻohana pinepine ʻia i ke kaʻina hana hoʻokaʻawale condensation haʻahaʻa haʻahaʻa, e like me ka hoʻōla ʻana o ka condensate kinoea kūlohelohe (NGL) a me ke kaʻina hana dehydration i ka hana ʻana o ke kinoea kūlohelohe liquefied (LNG). Eia kekahi, hoʻohana ʻia ka dehydration sieve molekala i ka hana ʻana o ke kinoea kūlohelohe i hoʻopaʻa ʻia no ka wahie kaʻa.
ʻO ka hoʻomaloʻo ʻana o ka sieve molekala e pili pono ana i nā manawa aʻe:
a. Ma kahi e koi ʻia ai ke kiko hau o ke kinoea kūlohelohe e haʻahaʻa ma mua o -40 ℃.
b. He kūpono ia no ka kaohi ʻana i ka wahi hau hydrocarbon o ke kinoea kūlohelohe kiʻekiʻe.
c. Hoʻomaloʻo ʻia ke kinoea kūlohelohe a hoʻomaʻemaʻe ʻia i ka manawa like.
d. Ke hoʻomaloʻo ʻia ke kinoea kūlohelohe e loaʻa ana ka H2S a hoʻoheheʻe ʻia i loko o ka glycol, e hoʻokuʻu ʻia ke kinoea hana hou.
e. I ka wā e hoʻomaloʻo ai ka LPG a me ka NGL, pono e wehe i ka trace sulfide (H2S, CO,COS, CS2, mercaptan) i ka manawa like.
Palapala kahe
Hoʻohana ʻia nā adsorbers moena paʻa no ka dehydration sieve molekala, no laila pono e loaʻa i ka ʻāpana ma ka liʻiliʻi he ʻelua mau adsorbers, hoʻokahi i ke kahua dehydration adsorption, ʻo kekahi i ke kahua hana hou a me ke kahua hoʻomaʻalili. Ke nui loa ka mana o ka ʻāpana, hiki ke hoʻonohonoho ʻia ke kaʻina hana multi tower.
Nā palena loea
Ke kūlana kinoea komo
| Ke kūlana kinoea komo | ||
| 1 | Kahe | 290X104Nm3/lā |
| 2 | Kaomi Komo | 4.86-6.15 MPa |
| 3 | Mahana Komo | -48.98℃ |
| Ke kūlana kinoea puka | ||
| 4 | Kahe | 284.4X104 Nm3/lā |
| 5 | Kaomi puka | 4.7-5.99 MPa |
| 6 | Mahana puka | -50.29℃ |
| 7 | H2S | ≤20g/m3 |
| 8 | CO2 | ≤3% |
| 9 | Wahi hau wai |
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