Ịkwaga LNG nke ọma abụghị naanị ịnweta mmiri mmiri site na isi A ruo isi B. Ihe ịma aka dị ukwuu bụ ijikwa mmụba okpomọkụ n'oge mbufe. Ọbụna obere okpomọkụ gburugburu nwere ike imepụta gas na-esi n'ọkụ, mebie mmiri, ma belata arụmọrụ sistemụ dum.

At HL Cryogenics, anyị na-emepụta sistemụ nnyefe ikuku nke na-ekpuchi oghere nke na-elekwasị anya na nkwụsi ike okpomọkụ ogologo oge, obere mmiri ozuzo, na nnyefe mmiri mmiri a pụrụ ịdabere na ya n'otu usoro. Sistemụ anyị na-ejikọta ọnụ.anwụrụ mkpuchi ikuku, paịpụ na-agbanwe agbanwemgbakọ, teknụzụ ikuku na-arụ ọrụ nke ọma, na akụrụngwa njikwa usoro iji kwado mbufe LNG kwụsiri ike n'ofe ngwa ụlọ ọrụ mmepụta ihe na mmiri.

Ihe Mere Mkpuchi Uzuzu Ji Dị Mkpa na Nnyefe LNG

Mmiri mmiri dị ka LNG na-enwe mmetụta dị ukwuu na mpụta okpomọkụ. Na paịpụ a na-eme ka ọ dị jụụ, mfu okpomọkụ na-abawanye nwayọ nwayọ ka oge na-aga ka arụmọrụ mkpuchi na-ebelata. Nke a nwere ike ibute oke mbelata okpomọkụ, enweghị ike ịrụ ọrụ nke ọma, na enweghị ike ịrụ ọrụ nke ọma.

Paịpụ a na-etinye n'ime ikukudozie nke a site n'ibelata ụzọ atọ dị mkpa nke mbufe okpomọkụ:

• Nduzi siri ike
• Mkpọkọ gas
• Radiation okpomọkụ

Nke anyịanwụrụ mkpuchi ikukuna sistemụ paịpụ ndị na-agbanwe agbanwe na-eji usoro mgbidi abụọ nwere oghere oghere dị elu, nke a na-ahụkarị n'okpuru 1 × 10⁻⁵ mbar. N'ọnọdụ ndị a, a na-ewepụ ihe na-ebugharị gas na convection n'ihi na molekul gas fọdụrụ na-adị oke obere iji bufee okpomọkụ nke ọma.

Iji belata mbufe okpomọkụ radieshon, a na-etinye mkpuchi multilayer (MLI) gburugburu paịpụ dị n'ime. Ihuenyo ndị a na-egosipụta ìhè na-ebelata nnabata okpomọkụ na-enwu enwu site na jaket dị n'èzí nke ukwuu.

Nsonaazụ ya bụ ọkwa arụmọrụ okpomọkụ karịrị ụfụfụ nkịtị ma ọ bụ ọkpọkọ cryogenic nke ejiri igwe kpuchie.

Anyị na-eji ígwè anaghị agba nchara 304L ma ọ bụ 316L emepụta ọkpọkọ usoro dị n'ime na jaket dị n'èzí iji hụ na ike siri ike, iguzogide nchara, na arụmọrụ ịgbado ọkụ a pụrụ ịdabere na ya n'okpuru usoro okpomọkụ ugboro ugboro.

Sistemụ Mgbapụta Agụụ Na-agbanwe Agbanwemaka arụmọrụ ogologo oge

Otu nsogbu a na-enwekarị na sistemụ vacuum nkịtị bụ mmebi nke vacuum nwayọ nwayọ ka oge na-aga. Mbupụ gas site na elu dị n'ime, obere mmiri na-agbapụta, na okirikiri okpomọkụ nwere ike ịbawanye nrụgide annular nwayọ, na-ebelata irè mkpuchi.

Iji dozie nke a,HL CryogenicsmepụtaraSistemụ Mgbapụta Agụụ Na-agbanwe Agbanweemebere maka nkwụsi ike ikuku ogologo oge.

Sistemụ a na-eji mgbapụta akwụkwọ mpịakọta kpọrọ nkụ ma ọ bụ ọkpọkọ turbomolecular na-apụ n'èzí mgbe niile ma ọ bụ mgbe ụfọdụ site na iji mgbapụta akwụkwọ mpịakọta na-agba ọsọ. Valvụ na-anaghị alaghachi azụ na-ekewapụ oghere ikuku ahụ n'oge ọnọdụ nchekwa, ebe igwe nlele ikuku agbakwunyere na-enye nlekota oge nke nrụgide annulus.

A na-etinyekwa ihe ndị na-eme ka ihe na-adọrọ adọrọ iji jide mmiri na hydrocarbons fọdụrụ n'ime oghere ikuku.

Ebe ọ bụ na a na-ejigide ọkwa vacuum nke ọma, arụmọrụ mkpuchi ahụ na-adịgide adịgide n'oge ndụ ọrụ nke sistemụ ahụ kama ịda nwayọ nwayọ. N'ọnọdụ ọrụ nkịtị, annulus nwere ike ịnọgide n'ime oke mbar 10⁻⁶ ọbụlagodi na gburugburu ebe ọkụ na iru mmiri.

Nke a na-enye aka ozugbo na:

• Mbelata ọnụego mbelata LNG
• Mbupu mmiri kwụsiri ike karị
• Mbelata ugboro mmezi
• Mmezi arụmọrụ usoro ndụ ka mma

Ịnọgide na-enwe usoro LNG nke na-aga n'ihu otu oge

Nnyefe LNG kwụsiri ike na-adabere ọ bụghị naanị na arụmọrụ mkpuchi, kamakwa na njikwa usoro dị irè.

Nke anyịvalvụ mkpuchi ikukuE mere ha iji nọgide na-enwe okpomọkụ dị egwu n'oge niile e si enyefe ha ebe a na-ebelata mmiri ọkụ na-agbapụta n'ebe dị mkpa. Nhazi bonnet ndị gbatịpụrụ agbatị na-eme ka mkpokọ osisi ghara ịdị na mpaghara oyi, na-enyere aka igbochi ice ịmepụta ma na-eme ka ntụkwasị obi ọrụ ka mma.

Iji jikwaa gas ọkụ a na-emepụta n'oge mbufe,ihe nkesa nkewa nke ikuku a na-ekpuchighịA na-etinye ihe ndị a n'elu ọkpọkọ ma ọ bụ sistemụ nnata. Ihe ndị a na-ekewapụ uzuoku site na mmiri mmiri tupu ọ ruo na ngwaọrụ ndị dị nro.

Nhazi nkewa ahụ na-agụnyekarị:

• Mmiri ntinye tangential maka nkewa centrifugal
• Nhazi nkwụsi ike dị n'ime
• Mkpuchi ikuku nke ejiri ike na-arụ ọrụ nke ọma

Nke a na-enyere aka igbochi uzuoku ịbanye n'ime ahụ ma na-ebelata nke ukwuu ihe egwu nke cavitation nke ọkpọkọ.

Obere Tankịmaka obere LNG na Sistemụ Mkpanaka

Maka ọdụ LNG mkpanaka, sistemụ skid, ma ọ bụ obere ngwa mbufe, anyịObere Tankịusoro a na-enye obere nchekwa nchekwa nke na-anaghị ekpuchi oghere site na lita 100 ruo 3,000.

A na-eji ihe nkwado nhazi okpomọkụ dị ala akwado arịa dị n'ime ya ma jikọta ya na teknụzụ mmezi ikuku na-arụ ọrụ. Tankị ndị a nwere ike ịrụ ọrụ dị ka ihe nchekwa nchekwa dị n'etiti ụgbọala nnyefe LNG na sistemụ nnyefe dị n'okpuru ala.

N'okpuru ọnọdụ ọrụ kwụsiri ike, a na-enwekarị ike ibelata oke nrụgide onwe onye n'okpuru 0.1 mmanya kwa elekere.

Arụmọrụ Nnyefe LNG nkịtị

Sistemụ mbufe LNG ọkọlọtọ nke HL Cryogenics mepụtara nwere ike ịrụ ọrụ n'ime:

• Nrụgide ọrụ site na 6 ruo 20 bar
• Ọsọ mmiri ruru 8 m/s
• Ọnụọgụ mmiri ọkụ dị ala dịka 0.25 W/m

Site na ijikọta siri ikeanwụrụ mkpuchi ikukuSite na ngalaba paịpụ na-agbanwe agbanwe na ebe mgbasawanye ma ọ bụ ogwe aka ibu a kapịrị ọnụ, enwere ike ime ka arụmọrụ sistemụ zuru oke ka mma.

N'ọtụtụ ngwa LNG, nke a pụtara na ọnụego opekempe dị n'okpuru 0.05% kwa mita 100 nke ahịrị mbufe kwa elekere, na-enyere aka melite ma nkwụsi ike ọrụ yana arụmọrụ akụ na ụba.

Nke anyịhose na-agbanwe agbanwe nke a na-ekpuchi ikukuojiji nke mgbakọ:

• Isi ime nke igwe anaghị agba nchara 316L nke a rụchara arụcha
• Ọdịdị nke eriri mpụta siri ike
• Mbipụta oghere annulus nke MLI kechiri

Nke a na-enye ohere ka paịpụ ahụ nọgide na-enwe ike ịnọgide na-enwe ikuku ikuku n'okpuru usoro mgbanwe ugboro ugboro na nke okpomọkụ.

Ihe Nlereanya Ọrụ: Ọdụ LNG na Vietnam

HL CryogenicsN'oge na-adịbeghị anya, e nyere sistemụ mbufe mmiri dị mita 350 maka ọrụ ọdụ LNG na Vietnam.

E mere sistemụ a iji bufee 200 m³/h nke LNG site na tankị nchekwa gaa na jetty ibu ibu na 10 bar ebe ọ na-emezu oke mgbochi siri ike nke ịgba mmiri.

Nhazi ikpeazụ gụnyere:

• Agụụ mkpuchi siri ike anwụrụmaka akụkụ ndị dị ogologo kwụ ọtọ
• Paịpụ a na-agbanwe agbanwe nke na-ekpuchi ihe mkpuchina njikọ jetty a kapịrị ọnụ
• AbụọSistemụ Mgbapụta Agụụ Na-agbanwe Agbanweịnọgide na-enwe nrụgide mbar annulus 5 × 10⁻⁶

N'oge ọrụ, mmiri ọkụ a tụrụ atụ kwụsiri ike na ihe dịka 0.28 W/m. Ma e jiri ya tụnyere ọkpọkọ polyurethane nke gara aga, mmiri ọkụ belatara ihe dịka 80%.

Ntinye nke aihe nkesa nkewa nke a na-akpọ "vocuum phase separator"ewepụkwara nsogbu mgbapụta mmiri ugboro ugboro nke butere nsogbu ọrụ na mbụ.

Taa, sistemụ ahụ na-arụ ọrụ site na nlekota ikuku na-aga n'ihu na usoro ịgbagharị mmiri mgbapụta iji nọgide na-arụ ọrụ nke ọma na gburugburu ebe okpomọkụ na iru mmiri dị na Vietnam.

Emebere maka Nrubeisi Mba Nile

E mepụtara usoro nnyefe cryogenic anyị dịka ụkpụrụ mba ụwa siri dị, gụnyere:

• ASME B31.3
• EN 13480
• ISO 21013
• BS 6364 maka nnwale valvụ cryogenic

Nke a na-enye ohereHL Cryogenicsakụrụngwa iji kwado ọrụ n'ofe:

• Ọdụ ụgbọ mmiri LNG dị na Ndịda Ọwụwa Anyanwụ Eshia
• Sistemụ gas Semiconductor na East Asia
• Ụlọ ọrụ gas mmepụta ihe na Europe
• Ọrụ akụrụngwa hydrogen mmiri mmiri na-apụta na Middle East

Anyị na-ahazikwa ọkọlọtọ flange, njikọ bayonet, na nhazi jaket mpụga iji kwekọọ na koodu mpaghara na ọnọdụ ọrụ kpọmkwem maka ọrụ.

Nkwado Injinịa maka Ọrụ Nnyefe LNG

Ma ị na-emepe ebe ọhụrụ maka ịkụ ihe na LNG ma ọ bụ na-emelite netwọk mbufe cryogenic dị ugbu a, mkpuchi ikuku kwụsiri ike nwere ike ime ka arụmọrụ okpomọkụ na ntụkwasị obi ọrụ ka mma nke ukwuu.

HL Cryogenicsna-enye nkwado injinia agbakwunyere maka mkpuchi:

• Sistemụ ọkpọkọ ikuku a na-etinyeghị mmiri
• Paịpụ na-agbanwe agbanwe nke Cryogenic
• Vavụ mkpuchi nke igwe anaghị agba nchara
• Ndị na-ekewapụ usoro
• Ngwọta Tank Obere
• Sistemụ mgbapụta ikuku ike na-agbanwe agbanwe

Ndị otu injinia anyị nwere ike inye aka na ngụkọ mmiri ọkụ, nyocha mbelata nrụgide, na nhazi sistemụ ahaziri ahazi dabere na ihe achọrọ maka usoro gị.