Nhọrọ usoro mmịpụta gas sitere n'okike maka osisi LNG
Ruo ugbu a, e nwere usoro atọ tozuru okè nke ịgbaze gas n'ọhịa nke ịgbaze gas: usoro ịgbaze refrigeration cascade, usoro ịgbaze refrigeration agwakọta na usoro ịgbaze refrigeration expander.
A) Usoro okirikiri refrigeration nke Cascade
Usoro oyi cascade bụ usoro oyi atọ nwere refrigerant dịka propane (ma ọ bụ propylene), ethane (ma ọ bụ ethylene), methane (ma ọ bụ nitrogen) (okpomọkụ na-ekupụ mmiri bụ - 100 °F, - 121 °F, - 256 °F, n'otu n'otu). Refrigerant nke usoro ahụ na-eme ka gas eke gbanwee okpomọkụ na refrigerant ndị kwekọrọ na ya n'ọtụtụ ọkwa okpomọkụ, si otú a mee ka ọ jụọ oyi ma mee ka ọ dị mmiri mmiri.
B) Usoro usoro nju oyi agwakọtara
Ihe usoro nju oyi agwakọta bụ usoro nke na-eji ngwakọta nke N 2 na C 1 ruo C 5 hydrocarbons dị ka ihe na-agbanwe agbanwe na friji.
C) Usoro okirikiri refrigeration gbasaa
Usoro oyi nke expander na-ezo aka na friji okirikiri Crowder ebe refrigerant nwere nrụgide dị elu na-agbasa site na turbo expander iji nweta mmịpụta nke gas eke. Ọ bụ ezie na gas ahụ na-agbasa ma na-ajụ oyi na expander ahụ, ọ nwere ike ịpụta ọrụ, nke enwere ike iji kpụga compressor ahụ n'oge usoro ahụ.
Dịka ihe dị iche iche dị na friji si kwuo, enwere ike kewaa usoro ihe dị na friji nke na-agbasa ngwa ngwa n'ime: usoro ihe dị na nitrogen nke na-agbasa ngwa ngwa, usoro ihe dị na nitrogen-methane nke na-agbasa ngwa ngwa, usoro ihe dị na gas nke na-agbasa ngwa ngwa.
D) Ntụnyere teknụzụ na akụ na ụba nke usoro atọ ahụ
A na-ahazi oriri ike nke usoro oyi cascade dị ka 1, atụnyere usoro oyi dị iche iche dị na Tebụl 5.1-2, a na-atụnyerekwa njirimara nke usoro oyi dị iche iche na Tebụl 5.1-3.
Tebụl 5.1-2 Ntụnyere nke arụmọrụ nke usoro dị iche iche nke friji
| Usoro nju oyi | Oriri Ike Dị Mkpa na Cascade Cooling |
| okirikiri friji cascade | 1.00 |
| usoro nju oyi agwakọta | 1.15 |
| R22 Prejunction N 2 -CH 4 Okirikiri Refrigeration Mgbasa | 1.35 |
Tebụl 5.1-3 Ntụnyere nke njirimara dị iche iche nke okirikiri friji
| ndeksi | oyi cascade | ihe na-eme ka friji gwakọta | Nju oyi mgbasawanye |
| arụmọrụ | dị elu | etiti | Dị ala |
| Mgbagwoju anya | dị elu | etiti | etiti |
| Ngwa mbugharị bụ isi | compressors atọ | 1 kompressor | ihe na-eme ka ọ gbapụ + ihe na-eme ka ọ gbasaa |
| ụdị ihe mgbanwe okpomọkụ | nku efere | Nku efere ma ọ bụ tube ọnya | nku efere |
| mpaghara mgbanwe okpomọkụ | nnukwu | nnukwu | Obere |
| ime mgbanwe | dị elu | etiti | etiti |
| isi iyi friji | A chọrọ ihe nchekwa friji atọ | A chọrọ ihe mkpuchi friji 3 ruo 6, a pụkwara iwepụta ihe mkpuchi ahụ ozugbo site na gas Feed. | Naanị otu ihe dị mkpa maka friji: Nitrogen, nke enwere ike ịchọta n'ikuku. |
| itinye ego | dị elu | etiti | Oke dị elu nke ukwuu |
N'ịtụle ihe ndị dị ka itinye ego, oriri ike na ọrụ na mmezi, usoro ịgbaze mmiri nke ngwaọrụ a na-anabata usoro ịgbaze mmiri oyi agwakọtara.
Rongteng bụ ọkachamara n'ịgwọ ọrịa gas field wellhead, ịsacha gas eke, mgbake LPG, osisi LNG na eke set ihe na-emepụta gas.
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Adreesị: Nkebi nke 8, Nkebi nke 2 nke Ụzọ Tengfei, Mpaghara Shigao, Mpaghara Ọhụrụ Tianfu, obodo Meishan, Sichuan China 620564