Tubabukan min bɛ kɛ ni fɛnɲɛnamafagalan ye

Waji-pikiri walima dugukolonɔn porozɛ bɛɛ bɛ wari caman bɔ ka sɛnɛfɛnw tigɛli kɛ ka kɛ watara ye min ka ɲi kosɛbɛ dugukolo sanfɛ. Tubabukan na min bɛ kɛ ka caya, o fanga fanba bɛ tunun jigin sira fɛ: watara jogo bɛ jigin, tulu bɛ to ka wuli, sizo ni sɔgɔsɔgɔninjɛ bɛ caya, kasɛti bɛ boli ka funteni ani, nɛnɛ banbali la, kɔlɔn lamini dugukolo bɛ se ka daminɛ ka wuli. Ni baarakɛlaw sera nin yɔrɔ in na, ɲininkali tɛ kɛ tugun "waji caman?" nka "an bɛ funteni mara cogo di a nafa ka bon yɔrɔ min na?"

Octal Pipe ka baaratubabukan insulasi, a bɛ fɔ fana kotubabukan min bɛ kɛ ni fɛnɲɛnamafagalan ye (VIT) ., dabɔra o kɔlɔnw de kama tigitigi. Joli kelen-kelen bɛɛ ye kogo fila-lajɛ ye min kɔnɔna na, a bɛ kɛ ni fɛn dilanni tubabu ye ani kɛnɛma tajibɔlan. Annulus bɛ fa ni insulation ye min bɛ baara kɛ kosɛbɛ-, ka a labɔ ka taa vacuum caman na, ni layers reflectives ani getters ye walasa ka conduction, convection ani radiation bali waati kelen na. Ni an y’a suma ni tubabukan gansanw ye, an ka VIT juru bɛ ​​duguma-dingɛ kɔnɔ watara hakɛ caman di, annulus funteni ka dɔgɔn ani funteni bɔnɛ ka dɔgɔn kosɛbɛ mɛtɛrɛ kelen kɔnɔ.

A jɔlen bɛ API 5CT tubabukanw kan i n’a fɔ N80, L80 ani P110 ni BTC walima gazi premium-tight connections ye, Octalka kɔn-tubabukan insulasibɛ se ka boli ni OCTG minɛcogo jɔnjɔnw ye, nka a bɛ funteni baarakɛcogo di i ma min ka kan ka kɛ tulu wulicogo gɛlɛnw-pikiri la, kɔgɔjida la tulu gɛlɛnw- yiriwaliw la, kɔlɔnw na minnu bɛ kɛ ni nɛnɛ ye ani dugukolo sumaya porozɛw minnu ka ca -entalpi caman na.

Octal insulated tubing bɛ jɔ i n’a fɔ afila-kogo cɛmancɛ pibiliki juru. Joli kelen-kelen bɛɛ bɛ Kɛ ni dɔ ye min ka dɔgɔnkɔnɔna tubabufuramin bɛ kɔlɔn jimafɛnw ta ani min ka bonkɛnɛma tubabukanmin bɛ jamalajɛ lakana. Tubabu fila ninnu bɛ siri ɲɔgɔn na u dakun fila bɛɛ la, ka kɛ sababu ye ka sirilen dɔ dilanannular insulation yɔrɔu ni ɲɔgɔn cɛ. Jogindaw bɛ siri kɔlɔn kɔnɔ ni API BTC walima premium threaded couplings ye, o la, juru dafalen bɛ boli i n’a fɔ standard tubing.

Sumaya dilanni sinsinnen bɛ bɛɛ tigɛ kanfunteni-taamacogo jɔnjɔn saba – a jiginni, a jiginni ani a wulicogo – annulus kɔnɔ:

• Aluminiyɔmu papiye min bɛ kɛ ka fiɲɛbɔlanw bali

Aluminiyɔmu papiye min bɛ yeelen bɔ, o bɛ siri annule la walasa ka infrarouge (fiɲɛ bilenman) jira ka segin ka taa kɔnɔna-tubabu funteniman fan fɛ. O bɛ dɔ bɔ kosɛbɛ funteni yeelen bɔli la ni watara funteni ka bon.

• Insulation material ka ɲɛsin conduction controle ma

Yɔrɔ min bɛ kɔnɔna ni kɛnɛma pibiliki cɛ, o bɛ fa ni fɛnw ye minnu tɛ se ka fɛnw minɛ ka caya (i n’a fɔ perlite mugu walima ultra-fine glass wool). O bɛ dɔ fara annulus ka funteni-kɛlɛli kan ani ka dan sigi funteni-taamacogo la.

• Vacuum ni getters ka convection bali

Lajɛ kɔfɛ, annulus bɛ labɔ ka taa fɛnɲɛnamafagalanba la, ka sɔrɔ ka getɛriw don a kɔnɔ minnu bɛ gazi tolenw minɛ tuma bɛɛ. Ni gazi si ma to ka taa, funteni jiginni min bɛ kɛ ni fɛnɲɛnamafagalan ye, o bɛ ban ka ɲɛ.

• Kɔnɔna tubabufura furakɛli ka kɔn degun ɲɛ walasa ka a lakana

Kɔnɔna pibiliki bɛ di pre-degun kɔrɔsilen ma sani a ka soja laban kɛ, walasa funteni bonya ni a dɔgɔyali solda ni foro baara senfɛ, o kana degun tolenw jugumanw lawuli. O bɛ dɛmɛ ka welda yɔrɔ ni joli bɛɛ lakana masin siratigɛ la funteni ni nɛnɛ caman kɔnɔ.

Ni nin fila-pipe jɔcogo in faralen ɲɔgɔn kan niradiation shielding, solid insulation, vacuum caman ani kɔnɔna-tube ka kɔn-degun ɲɛ, Octal insulated tubing bɛ funteni bɔnɛ dɔgɔya kɔlɔn da la k’a sɔrɔ a bɛ a yɛrɛ minɛ hali bi masin na i n’a fɔ OCTG tubing juru dɔnta.

Ɛntɛrinɛti ka koba dɔ ye ko funteni baarakɛcogo tɛ dantigɛ ni insulasi fɛn dɔrɔn ye. Foro baara la, funteni bɔnɛ bɛ nɔba bila annulus sabatili la, end-weld integrity ani joint-area thermal control kɔfɛ funteni cycle segin-segin kɔfɛ. O de y’a to tubabukan insulated pre-stressed nafa ka bon kɛrɛnkɛrɛnnenya la cyclique steam service la sanni ka kɛ steady-funteni baara la dɔrɔn.

Fɛn dilannenw denbaya bɛ se ka faamuya ka ɲɛ ni baara kɛcogo tilennen duuru ye: tulu gɛlɛnw sɔrɔli, tulu ni gazi forow la, nɛnɛ banbali wulibali balili, anti-sire kɔlɔnw, dugukolo funteni ni kuran bɔli, ani jisuma kɔlɔnw-jisuma. O bɛ dɛmɛ k’a jira ko a hakɛ tɛ dan waji pikiri dɔrɔn ma; a bɛ se ka sugandi fana ka kɛɲɛ ni funteni-lakana baara ye ji funteni ni dugukolo funteni baarakɛyɔrɔ la.

Kɔlɔn funtenimaw-jibɔyɔrɔw

Ka ɲɛsin funteni-sɔgɔsɔgɔninjɛ yiriwali ma, tubabufura walima insulasi pipe nafa tɛ dɔrɔn ka funteni bɔnɛ dɔgɔya, nka a bɛ funteni nafama caman fana to a ka sɔrɔ ka bɔ a juguman na ka taa a bila a bɔyɔrɔ la. O porozɛ suguw la, bɔyɔrɔw funteni ka caya ani funteni marali sabatili bɛ se ka kɔlɔn in jago nafa ɲɛ ani ka dɔ bɔ funteni bɔnɛ na jiginni waati.

Walasa ka misali sɛgɛsɛgɛli nɔgɔya, hakɛ kunnafoniw minnu bɛ nin yɔrɔ in na, olu labɛnna tabali kuluw kɔnɔ minnu tɛ kelen ye. Tablo fɔlɔ bɛ tubabu hakɛ denbaya min bɛ wele ko standard vacuum insulated tubing size family, o min bɛ kɛ kɛrɛnkɛrɛnnenya la ka pikiri kɛ ni watara ye, ka tulu gɛlɛnw dilan ani ka tulubɔyɔrɔw ka funteni baara wɛrɛw kɛ. Tabali kulu filanan bɛ tubabukan hakɛw ni fɛnɲɛnamafagalanw hakɛw fara a kan minnu bɛ sɔgɔsɔgɔ ka ɲɛ, ka ɲɛsin cyclique thermal duty ma. Tablo sabanan bɛ Octal insulation pipe models caman jira minnu bɛ kɛ ka ɲɛ kosɛbɛ dugukolo funteni-falenfalen ni funteni-sɔn funteni-marako baara la. Ni nin hakɛ denbayaw tora u dan na, o bɛ RFQ lajɛ nɔgɔya, wa a bɛ dɛmɛ ka tulubɔyɔrɔ funteni juru kɔrɔw ni dugukolo sumayɔrɔw-pipe cogoyaw danfara bɔ.

Octal vacuum insulated tubing bɛ sɔrɔ nin representative size family in kɔnɔ tulubɔyɔrɔ ni watara-baarakɛminɛnw kama.

Porozɛ minnu bɛ segin-ka-bɔ funteni-sɛgɛsɛgɛli la, tubabukan hakɛ denbaya min bɛ degun ka kɔn o ɲɛ ka fara insulasi-grade classification kan, o fana bɛ sɔrɔ. O nafaw bɛ jira ka ɲɛ VIT tabali sariyalen jukɔrɔ i n’a fɔ kunnafoni wɛrɛ min bɛ kɛ ka ɲɛsin funteni-baara sugandili ma, kɛrɛnkɛrɛnnenya la yɔrɔ minnu na sannikɛlaw ka kan ka hakɛ, ɲɔgɔndan anwɛlɛki, unit girinya ani insulasi baarakɛcogo suma ɲɔgɔn na seginnkanni taabolo kelen kɔnɔ.

Dugukolo sumaya, dugukolo funteni fanga sɔrɔli ani jisuma kɔlɔnw-jisuma kama, fɛn dilannenw denbaya bɛ Octal insulation pipe model denbaya danfaralen dɔ fana don a kɔnɔ. Nin misali ninnu jirali tabali yɛrɛmahɔrɔnyalen kɔnɔ, o bɛ dugukolo funteni ni ji funteni-jiko baarakɛcogo nɔgɔya k’u suma ɲɔgɔn na k’a sɔrɔ u ma ɲagami ni watara-baarakɛminɛnw hakɛw ye, wa o bɛ daminɛ jɛlen di sannikɛlaw ma funteni-lamara sira dilanni na ani misali sugandili la.

Walasa ka ɛntɛrinɛti sugandili nɔgɔya, Octal insulated tubing bɛ dilan caman nathermal grades (sumaya hakɛw).:

• Kalanso B. Kalansoden– λ ≈ 0,06–0,04 W/(m· degere ) .
• Kalanso C. Kalanso– λ ≈ 0,04–0,02 W/(m· degere ) .
• Kalanso D. Kalanso– λ ≈ 0,02–0,006 W/(m· degeli ) .
• Kalanso E. Kalansoden– λ ≈ 0,006–0,002 W/(m· degere ) .

Ni kalasi ka bon, funteni bɔnɛ bɛ dɔgɔya mɛtɛrɛ kelen na ani a ka fisaduguma-dingɛ waji cogoyaka ɲɛsin dugukolo cogoya dilen dɔ ma. An ka ɛntɛrinɛti jɛkulu bɛ se ka funteni bɔnɛ ni juguya modeli ye walasa aw ka se ka danfara ye tubabukan gansanw ni ɲɔgɔn cɛ, basikɛtika kɔn-tubabukan insulasiani Octal VIT hakɛ min ka bon-ka kɛɲɛ ni i ka kɔlɔn kɛrɛnkɛrɛnnen ɲɛfɔli ye.

Walasa ka sugandili kɛ, thermal grade ka kan ka kalan ɲɔgɔn fɛ ni service duty ye. Waji-pikiri ni tulu gɛlɛn-porozew la, funteni-taama dɔgɔyali kɔrɔ ye ko watara jogo ka bon jidagayɔrɔ juguman na ani funteni min man ɲi ka don annulus kɔnɔ, o tɛ caya. Dugukolo suma ni funteni-sɔgɔsɔgɔninjɛ porozɛw la, funteni taabolo dɔgɔyali kɔrɔ ye bɔli funteni ka bon ani funteni min bɛ se ka baara kɛ ni a ye sanfɛ. O de kama, insulasi grade ka kan ka siri poroze fanga balansi la, a man kan ka jate i n’a fɔ katalogu nimɔrɔ kelen.

Tubabu insulé sanbagaw fɛ, ɲininkali jɔnjɔnw tɛ dɔrɔn "aw bɛ ni hakɛ jumɛnw ye?", nka:

• Ne bɛ se ka funteni bɔnɛ hakɛ joli mara tiɲɛ na ne ka kɔlɔn kɔnɔ?
• Yala dilancogo bɛnnen don ji juguman-ji, watara pikiri walima dugukolo kan cogoyaw ma wa?
• Yala ne bɛ se ka k-nafa ni funteni cogoya ye sani ne ka komandi kɛ wa?

Walasa ka ninnu jaabi, Octal bɛ furakɛli kɛtubabukan insulasii n’a fɔ sigida min dilannen don ni ɛntɛrinɛti ye, a tɛ suguya kelen-{1}}bɛ bɛn-fɛn bɛɛ ma.

Dilancogo waleyali la, tubabukan insulasi bɛ sugandi ka kɛɲɛ ni baara kuntilenna ye, funteni baara ani kɔlɔn cogoya, a tɛ sugandi OD dɔrɔn fɛ. A ka c’a la, seginnkanni bɛ daminɛ ni baarakɛcogo laɲini ye : ka watara jogo lakana fo ka se jidagayɔrɔ juguman ma CSS walima SAGD kɔlɔnw kɔnɔ, ka dan sigi funteni bɔli la annulus la ji juguw dilanni na, ka funteni jigin dɔgɔya dugukolo kan kɔlɔnw na minnu ka teli ka kɛ sizo-yɔrɔ la, ka jirisunw lakana minnu bɛ kɛ nɛnɛ ye permafrost yɔrɔw la, walima ka funteni baaracogo lakana dugukolo funteni ni ji funteni-ji baara. Ka bɔ yen, tubabukan juru bɛ ​​ɲɛfɔ ni insulasi hakɛ ye, annulus vacuum target, dɛmɛn labɛncogo, jɛɲɔgɔnya funteni kɔlɔsili ani baarakɛcogo-ɲɛnamaya wajibiyalen ye funteni cycle segin-segin kɔrɔ.

O fɛɛrɛ in bɛ basigi di sannikɛlaw ma min bɛ se ka baara kɛ kosɛbɛ walasa ka ɲɔgɔn sanga poroze senfɛ. Sani ka tubabukanw suma ɲɔgɔn na dɔrɔn ka kɛɲɛ ni u bonya ni jiri suguya ye, sugandili bɛ se ka lajɛ ni funteni bɔnɛ makɔnɔnen ye, duguma-dingɛ walima bɔyɔrɔ funteni, annulu funteni, kɔlɔn-juguya bɛnnen ani ni a jɔli dabɔra watara pikiri kama, ji jugumanba{3}}ji bolicogo hakilisigi, dugukolo kan funteni baara walima dugukolo funteni-maracogo kanw (kanw) kan. O fana ye dakun minnu bɛ duguma, olu hakilina ye : labɛnni fɔlɔ, o kɔfɛ funteni-taamacogo kɔlɔsili annulus kɔnɔ, o kɔfɛ k-nafa ni funteni modeli, ani laban na baarakɛcogo ɲɛnamaya ni janya hakɛ.

1. Labɛn minnu bɛ labɛn ka kɛɲɛ ni foro cogoyaw ye
Sani a ka kɛ jɔli kelen ye, Octal bɛ insulasi cogoya caman di minnu jɔlen bɛ kɔnɔna / kɛnɛma pipe hakilina kelen kan min tɛ fɛn tiɲɛ. Walasa ka ji juguw{1}}ji sɔrɔ an bɛ an sinsin sabatili kuntaalajan-ni kan ani k-nafa dɔgɔyalenba la walasa ka annulus funteni ni jilafɛnw farati kɔlɔsi; ka ɲɛsin watara porozɛw ma (CSS / SAGD) an bɛ sinsin funteni hakɛ caman-seko ni funteni sɛgɛsɛgɛli kɛlɛli kan; dugukolo kan kɔlɔnw ni permafrost lakanani kama an bɛ balansi don insulasi fanga la ni musaka ni masinw doni ye. Labɛn kelen-kelen bɛɛ bɛ ɲɛfɔ a ka insulasi hakɛ fɛ, a ka vacuum hakɛ fɛ ani a kɔnɔna dɛmɛcogo fɛ, o la aw bɛ se ka VIT sɛrɛkili bɛn aw ka foro ma sanni ka foro bɛrɛbɛn ka kɛɲɛ ni tubabukan ye.

2. Convection, conduction ani radiation kɔlɔsili annulus kɔnɔ
An ka dilanw bɛ fɛɛrɛ saba fara ɲɔgɔn kan walasa ka funteni jiginni dɔgɔya kɔnɔna ni kɛnɛma pibiliki cɛ:

• Konveksiyɔn kɔlɔsili– annulu bɛ bɔ ka se vacuum hakɛ dantigɛlen ma, walima ka fa gazi inert la yɔrɔ min na a bɛnnen don, o la ji fitinin bɛ to ka funteni ta ni convection ye. Fɛn minnu bɛ sɔrɔ annulus kɔnɔ, olu bɛ dɛmɛ ka o cogoya in mara kɔlɔn si kɔnɔ.
• Conduction (taamacogo) kɔlɔsili– dɛmɛnan minnu bɛ u ni ɲɔgɔn cɛ ka ɲɛ, olu bɛ kɔnɔna ni kɛnɛma pibilikiw bila ɲɔgɔn na ka sɔrɔ ka nɛgɛ bɛ ɲɔgɔn sɔrɔ yɔrɔ min na, o bɛ dɔgɔya, ka insulasi danfara mara hali ni doni ni funteni caman bɛ ɲɔgɔn falen.
• Radiation (fiɲɛbɔlanw) kɔlɔsili– fɛn caman-layer insulation ni layers reflectives ani non-conductive layers (min ni MLI systems bɛ tali kɛ ɲɔgɔn na sariya siratigɛ la) bɛ dɔ bɔ funteni jiginni na min bɛ yeelen bɔ ni wazi funteni ka bon.

Ni a mago bɛ a la, fɛn wɛrɛw bɛ kɛ ka fɛnw laminijogindaw yɔrɔwalasa ɲɔgɔndanw kana kɛ "yɔrɔ dumanw" ye sɛrɛ kɔnɔ.

3. k-nafa basigilen baarakɛcogo ni funteni misali
Sumaya baarakɛcogo bɛ jira i n’a fɔ ak-nafa ye(funteni bɔnɛ bɛ BTU/hr·ft· degere F walima W/m· degere la ). Octal insulated tubing bɛ sɔrɔ k-nafa hakɛ caman na, k’a ta ji jugumanw na minnu dabɔra funteni bɔli dɔgɔyalenba kama, ka se{3}}k caman ma nka sɔrɔko hakɛ caman bɛ sɔrɔ dugukolo kan baara la, funteni hakɛ danmadɔ-.

Porozɛ baara kama, an ka ɛntɛrinɛti jɛkulu bɛ se ka:

• jate kɛ k-nafaw ye tubabukan insulasi sugandilenw cogoya la ,
• ka bolifunteni-ni{1}}juguya ɲɛfɔliwka ɲɛsin i ka kɔlɔn jateminɛ kɛrɛnkɛrɛnnen ma, ani
• aw bɛ ko kɛlenw suma i n'a fɔ "tubabukan kɔrɔlen ni tubabukan insulasi" walima "VIT cɛmancɛ-kalan ni sanfɛ-kalanso sanfɛ".

O bɛ kɛ sababu ye ka duguma-dingɛ kɔnɔ watara cogoya, a kɔnɔna/annulu funteni ani sanfɛla bɔyɔrɔ funteni yecogo jɛlen difɔlɔi b’i yɛrɛ bila juru dilanni na.

Tablo nɔgɔyalen min bɛ duguma, o b’a jira cogo min na funteni jiginni dɔgɔyali bɛ tali kɛ funteni-bɔli fanga caman na duguma-dingɛ funteni cogoya wɛrɛw la.

O ɛntɛrinɛti hakilina kelen in fana bɛ taa dugukolo funteni ni ji funteni-jiko baarakɛcogo la. Jiginni kɔnɔ funteni-kanali hakilina saba ɲɛfɔlen don i n’a fɔ Sɛgɛsɛgɛli A, B ani C. Sɛgɛsɛgɛli A bɛ kɔlɔn dingɛ jira min tɛ furakɛli ɲuman kɛ ni insulasi ye, yɔrɔ min na funteni caman bɛ minɛ ka tunun funteni-marayɔrɔ la. Fɛɛrɛ B bɛ insulasi kɛ dakun yɔrɔ dɔ kan walasa ka dugukolo funteni baarakɛcogo ɲuman ɲɛ. Skeme C bɛ duguma funteni-maracogo dafalen dɔ jɔ walasa dugukolonɔn baarakɛcogo ka se ka gɛlɛya ka taa a fɛ, kɛrɛnkɛrɛnnenya la funteni kɔlɔnw kɔnɔ minnu ka bon-. O nafa ka bon bawo a bɛ pibiliki sugandili ni sistɛmu funteni-maracogo siri ɲɔgɔn na sanni ka kɛ ni tubabukan hakɛ dɔrɔn ye.

Baarakɛcogo wɛrɛ ye funteni coaxial-falen-falen sira ye min bɛ kɛ ni casing ni center-pipe labɛnw ye, yɔrɔ min na insulation pipe bɛ kɛ ka dugukolo funteni fanga nafama caman mara kɔlɔnba kɛrɛfɛ. Dugukolo sumaya ni fanga-sɛnɛ porozɛw kama, a ka c’a la, sugandili bɛ kɛ ni bɔyɔrɔ funteni ye, a lamini hakɛ, kɔlɔn kelen-kɔlɔn funteni bɔli ani san funteni bɔli, OD ni jiri suguya dɔrɔn tɛ.

PERT II ko kɛlen dɔ jiralen don jukɔrɔ walasa k’a jira cogo min na bɔyɔrɔ funteni ni kɔlɔn kelen-kɔlɔn fanga bɛ jateminɛ dugukolo funteni baarakɛcogo ɲɛfɔlen kɔnɔ.

Dugukolo sumacogo cogoyaw ye milimɛtɛrɛ 273,05 × 11,43 ye ni milimɛtɛrɛ 178 × 135 / 194 / 154 ye min bɛ bɛn kanal insulasi hakɛ ma kɔlɔnw kɔnɔ minnu bɛ se mɛtɛrɛ 4000–4500 ɲɔgɔn ma ani 3750–4500 kW bɔli lamini na, milimɛtɛrɛ 244,5 × 10,03 bɔgɔdaga ni 140 × 100 / 154 mm kalasi labɛnni ye mɛtɛrɛ 3100 kɔlɔn ɲɔgɔn na ani 1250–1500 kW ɲɔgɔn, 219,1 × 10,16 mm bɔgɔdaga ni 140 × 100 / 154 mm kalasi labɛnni ye mɛtɛrɛ 3000 kɔlɔn ɲɔgɔn na ani 1000–1250 kW ɲɔgɔnna, 177,8 × 9,19 mm bɔgɔdaga ni 114 × 81 / 127 mm kalasi labɛnni ka ɲɛsin mɛtɛrɛ 2500–3000 ɲɔgɔn kɔlɔnw ma ani 750–1000 kW ɲɔgɔn, ani 139,7 × 7,72 mm kɔnɔna na ni 89 × 62 / 99 mm kalasi labɛnni ye mɛtɛrɛ 2500–3000 ɲɔgɔn kɔlɔnw na ani 400–600 kW ɲɔgɔn.

Walasa ka porozɛw bɛnkan nɔgɔya, dugukolonɔn sira bɛ fara ɲɔgɔn kan ka kɛ H2000, H3000 ani H4000 seriyali ye. Tiɲɛ na, ninnu bɛ dugukolonɔn furakɛli fɛɛrɛw jira minnu bɛ dun ka taa a fɛ ani minnu bɛ sanfɛ{4}}, ka sannikɛlaw dɛmɛ u ka kɔlɔn juguya ni funteni-bɔli laɲini bɛn ni insulasi-pibiliki sira ɲuman ye.

Baarakɛcogo sumalen tilennen fana bɛ dɛmɛ ka ɲɛfɔli kɛ yɔrɔ min na insulasi-pipe sira bɛ nafa fara PERT II kan. PERT II ka funteni-taama bɛ 0,42 W/(m·K) ɲɔgɔn Bɔ, k’a sɔrɔ a ma Tɛmɛ 0,02 W/(m·K) kan Octal insulation pipe la. Degere 70 duguma-funteni sumalen na, funteni-bɔli fanga bɛ se kW 375 ɲɔgɔn ma PERT II la ani kW 650 ɲɔgɔn na Octal insulation pipe la, o ye dɔ farali ye kW 275 ɲɔgɔn na, walima 73% ɲɔgɔn. Ni an ye ɲɔgɔn sanga wɛrɛ la ni kɔlɔn ye min janya ye mɛtɛrɛ 2500 ye, ni dingɛ duguma funteni bɛ se degere 60 ɲɔgɔn ma, ni jibɔ hakɛ ye mɛtɛrɛ 30 ye lɛrɛ kɔnɔ ani ji cogoya bɛ se degere 20 ma, PERT II bɛ se bɔyɔrɔ funteni degere 26 ɲɔgɔn ma ani kɔlɔn kelen fanga kilowati 210 ɲɔgɔn na, k’a sɔrɔ Octal insulation pipe bɛ se degere 33 ɲɔgɔn ma ani kW 453 ɲɔgɔn, ka kɔlɔn kelen-kɔlɔn funteni-bɔli fanga ɲɛ ni kilowati 243 ɲɔgɔn ye, walima 116% ɲɔgɔn.

Tablo min bɛ duguma, o bɛ sɛgɛsɛgɛli basigilen kelen ni baarakɛcogo danfara jira PERT II ni Octal insulation pipe cɛ.

4. Baarakɛ waati ni janya sugandiliw dabɔra
Octal insulated tubing bɛ dilan sanRange 2 ani Range 3 janyani dilan ɲɛnamaya bɛ bɛn waati jan-ji jugu-ji, watara-pikiri walima dugukolonɔn baara ma. Vacuum integrity, insulation performance ani welds bɛɛ bɛ se ka san caman muɲu ka thermal cycling muɲu, o la k-nafa min bɛ i ye design model kɔnɔ, o ye k-nafa ye i bɛ se ka min makɔnɔ foro kɔnɔ.

Octal insulated tubing jɔlen bɛ API 5CT tubing grades dɔntaw kan:

• N80, L80-1, L80-1Cr, L80-3Cr, L80-9Cr. Bamako, Mali
• Q125, S135 ani fanga hakɛ caman wɛrɛw - HPHT kɔlɔnw na
• Standard connection yeAPI BTC ye, ani an bɛ se fana ka fɛnw di :
• gazi-jɛgɛn kɛrɛnkɛrɛnnen minnu sirilen don (misali la nɛgɛ-ka-nɛgɛ premium jiriw baarakɛcogo la minnu ni gazi laban-kɔlɔn tubabukanw bɛ ɲɔgɔn na).
• integral ani semi-flush sugandiliw ka ɲɛsin clearance-critical liners ma.
• pup joints insulées, crossovers ani accessoires minnu bɛ bɛn ɲɔgɔn ma.

O kɔrɔ ye ko i bɛ nafa minnu sɔrɔ funteni natubabukan min bɛ kɛ ni vacuum ye, nka aw ka rig baarakɛlaw b’a boli hali bi ni OCTG minɛcogo dɔntaw ye.

Lasigidenw ka jɛɲɔgɔnya-dakun kunnafoniw bɛ se ka sannikɛlaw dɛmɛ ka kandidaw ka fɛn dilannenw sɛgɛsɛgɛ sani RFQ ka ban. Insulasi-pipe modeli minnu bɛ kɛ cogoya la, olu ye:

· 140 × 100- 5-1/2" BTC, ɲɔgɔndan OD ko la154 mm ye, unit girinya bɛ se ka kɛKilo 31 ye mɛtɛrɛ kelen ye, ɲɛfɔli janya bɛ se ka kɛ1429 ye santimɛtɛrɛ 1429 ye, kɛnɛma-pipe kalasiN80 139.7 × 6, kɛnɛma-pipe tansiyɔn fanga ko laA ka bon walima a bɛ bɛn 23 MPa ma, kɔnɔna-pipe kalasiN80 108 × 4, kɔnɔna-pipe tansiyɔn fanga bɛ se ka bonya ka tɛmɛ walima ka bɛn36 MPa ye, funteni minɛcogo ni degere 100 baara laλ < 0,02 W/(m·K) ye .

· 189 × 62 - 3-1/2" NU, jɛɲɔgɔnya OD ko la108 mm ye, unit girinya bɛ se ka kɛkilogaramu 15,2/m, ɲɛfɔli janya bɛ se ka kɛ39 ft ye, kɛnɛma pipeN80 89 × 4,kɛnɛma-pipe tansiyɔn fanga ko laA ka bon walima a bɛ bɛn 25,8 MPa ma, kɔnɔna pipeJ55 70 × 4, kɔnɔna-pipe tansiyɔn fanga ko laA ka bon walima a bɛ bɛn 38 MPa ma, funteni minɛcogo ni degere 100 baara laλ < 0,02 W/(m·K) ye .

· 1219 × 182- 8-5/8" SC, jɛɲɔgɔnya OD ko la233 mm ye, unit girinya bɛ se ka kɛ65,7 kilo/m, ɲɛfɔli janya bɛ se ka kɛ70 ft, .kɛnɛma pibiliki 20# 219 × 7, kɛnɛma-pipe tansiyɔn fanga ko laA ka bon walima a bɛ bɛn 9 MPa ma, kɔnɔna pipe20# 196 × 6, kɔnɔna-pipe tansiyɔn fanga ko laA ka bon walima a bɛ bɛn 13 MPa ma, funteni minɛcogo ni degere 100 baara laλ < 0,02 W/(m·K) ye .

· 1114 × 81 - 4-1/2" BTC, ɲɔgɔndan OD ko la127 milimɛtɛrɛ, .unit girinya bɛ se ka kɛkilogaramu 22,6 ye mɛtɛrɛ kelen ye,reference janya bɛ se ka kɛ96 ye ft ye, kɛnɛma pipeN80 114 × 5,kɛnɛma-pipe tansiyɔn fanga ko laA ka bon walima a bɛ bɛn 24,3 MPa ma, kɔnɔna pipeN80 89 × 4, kɔnɔna-pipe tansiyɔn fanga ko laA ka bon walima a bɛ bɛn 43 MPa ma, funteni minɛcogo ni degere 100 baara laλ < 0,02 W/(m·K) ye .

Nin kunnafoni ninnu nafa ka bon bawo insulasi-pipe sanni man teli ka latigɛ ni funteni baarakɛcogo dɔrɔn ye. Jɛɲɔgɔnya suguya ni jɛɲɔgɔnya OD bɛ nɔ bila bolicogo la, ka bɛn ni kɔlɔn jɔcogo ye min bɛ yen ani foro sigili nafa. Nin modɛli-dakun kunnafoni ninnu farali ɲɛ kan, o bɛ baro kɛ nafa ye kosɛbɛ ɛntɛrinɛti seginnkanni ni sannifeere sumalen fila bɛɛ la.

An ka tubabukan insulasi dilanni sira dabɔra ka ɲɛsin vacuum annulus dannaya ma ka fara masin baarakɛcogo kan:

1. Pipe labɛnni min tɛ fɛn tiɲɛ– kɛnɛma ni kɔnɔna tubabufura bɛ dilan ni pipe funteniman-kurulen ye min tɛ sɔgɔ, ka tigɛ ka janya, ka funteni- furakɛ ani ka 100 % NDT-lajɛ. Surfaces bɛ shot-blasted walasa ka jɛɲɔgɔnya ɲuman ni saniya sabati.
2. Insulasi lajɛ– kɔnɔna pibiliki bɛ siri walima ka pake ni perlite / glass wool ye, reflective foil ani spacers ka kɛɲɛ ni funteni hakɛ sugandilen ye, o kɔfɛ, a bɛ don kɛnɛma pipe kɔnɔ.
3. Pre-stretch ani welding– controlled pre-stretch bɛ kɛ kɔnɔna tubabukan na, o kɔfɛ, a dakun fila bɛɛ bɛ welda walasa ka annulus datugu ka sɔrɔ ka alignment mara.
4. Vacuum (sɔgɔsɔgɔninjɛ) baarakɛcogo– annulus bɛ bɔ ka se vacuum hakɛ kofɔlen ma ; getters bɛ baara kɛ walasa ka degun dɔgɔyalen mara juru in ɲɛnamaya kɔnɔ.
5. Leak ni vacuum dafalen sɛgɛsɛgɛliw– welda ni vacuum ports bɛ sɛgɛsɛgɛ (NDT ni leak tests) walasa ka annulus sirili dafa.
6. Sumaya jiginni sɛgɛsɛgɛli– misali joli minnu bɛ bɔ kulu kelen-kelen bɛɛ la, olu bɛ λ sɛgɛsɛgɛli kɛ walasa ka insulasi hakɛ sɛgɛsɛgɛ.
7. Filɛri ni finimugu– ɲɔgɔndanw bɛ kɛ masin na, ka jateminɛ kɛ API 5B walima ja premiumw la, jiriw bɛ fositɛri kɛ ani ka lakana, ani jogindaw bɛ taamasiyɛn kɛ ani ka u pake walasa ka taa ni u ye.

8.Sɛgɛsɛgɛli cakɛda dafalen– masinw , NDT , vacuum , thermal ani thread sɛgɛsɛgɛli – o sirilen donfunteni nimɔrɔ ni joli nimɔrɔ, ani sɛbɛnnen bɛ EN 10204 3.1 / 3.2 pakew kɔnɔ walasa ka poroze sɔn.

Fɛn dilanni sira bɛ se ka ɲɛfɔ ka jɛya i n’a fɔ pibiliki-dakun labɛnni ni a dusu tiɲɛ, funteni furakɛli, sɛgɛsɛgɛli, janya basigilen-tigɛ ani kɔnɔna/kɛnɛma yɔrɔ saniya aliminiyɔmu papiye ni insulasi fɛnw sirili; kɛnɛma ni kɔnɔna tubabufura lajɛ; ka kɔn-sɛgɛsɛgɛli ni ɲɔgɔn cɛ; vacuum bɔli ni bɔgɔbɔli sɛgɛsɛgɛli ye ani X-ray sɛgɛsɛgɛli; annulus-vacuum sabatili; funteni-sɔgɔsɔgɔninjɛ sɛgɛsɛgɛli; ani baara labanw i n’a fɔ jirisunw dilanni, ji sɛgɛsɛgɛli ani fɛnw bɔli jamana wɛrɛw la. Nin taabolo ɲɛfɔli wɛrɛ in nafa ka bon ka fara a kan bawo a bɛ sɔn sira jɛlen di sannikɛlaw ma k’a ta tubabukan na ka taa a bila joginni insulasi dafalen na.

Sanni siratigɛ la, jago ko tɛ dɔrɔn ni fɛn dilannen bɛ daminɛ ni funteni dɔgɔyali dɔgɔyali ye, nka ni annulus bɛ to ka datugu, ni welda yɔrɔ bɛ to a cogo la funteni sɛgɛsɛgɛli kɔfɛ ani ni jogindaw dafalenw bɛ se ka bɔ ni jiriw ye minnu bɛ se ka segin-ka-bɔ ani ni sɛgɛsɛgɛli sɛbɛnw ye minnu bɛ se ka tugu ɲɔgɔn kɔ. O de kama QA dakun ka kan ka to sirilen na funteni sɛgɛsɛgɛli la, fɛnɲɛnamafagalan dafalen na, NDT la, ɲɔgɔndan sɛgɛsɛgɛli la ani sɛbɛnw na ɲɔgɔn fɛ sanni k’u jate i n’a fɔ fɔcogo danfaralenw.

Ɲini caman sɔrɔlitubabukan insulasitiɲɛ na, a bɛ tali kɛ sanfɛlafɛnw na i n’a fɔPEX tubabukan insulé ka kɔnka ɲɛsin marabolo-sosumaya lupuw ma, .pre insulé kuran tubabukan naka ɲɛsin HVAC ma,funteni-sɔrɔ-tubabu min bɛ insulakuran kabɔriw kama, walima fɛn minnu tɔgɔ sɛbɛnnen don i n’a fɔdekron tubabukan insulasibaara bɛ kɛ ni min ye izini minɛnw na. Nin fɛn ninnu nafa ka bon u ka forow la, nka u bɛ yena ma dabɔ duguma-dingɛ 350–400 degere baara kama, doni caman minnu bɛ bin walima API 5CT wajibiyalenw.

Octal bɛ suguya wɛrɛ di:nɛgɛdaga min bɛ kɛ ni fɛnɲɛnamafagalan ye, tulu, gazi ani dugukolonɔn kɔlɔnw kama. An ka fɛn dilannen:

• bɛ baara kɛ ni API 5CT-grade nɛgɛ tubabukanw ye sanni ka baara kɛ ni plastiki walima nɛgɛ ye.
• bɛ dabɔ walasa ka watara ni ji bɔlenw ta ni degunba ye a juguman na.
• bɛ jɛ ni OCTG kasɛti juruw ye, kɔlɔn kunkolo minɛnw ani duguma-dingɛ baarakɛminɛnw.
• ani a bɛ tɛmɛ OCTG sɛgɛsɛgɛli hakɛ kelen fɛ ni sɛnɛfɛnw dilanni tubabukan ye, ka tɛmɛn vacuum ni thermal sɛgɛsɛgɛliw kan.

O la ni i ka poroze mago bɛ a laPEX tubabukan insulé ka kɔnwalimapre insulé kuran tubabukan nasanfɛla layiniw ta fan fɛ, o ye fɛn dilannenw ye minnu tɛ kelen ye; ni aw mago bɛ nɛgɛ tubabukan na min bɛ se ka balo kɔlɔn yɛrɛ kɔnɔ ,Tubabukan min bɛ wele ko octal vacuum insuléye fura bɛnnen ye.

Octal bɛ suguya wɛrɛ di: nɛgɛdaga min bɛ kɛ ni vacuum ye, ani insulasi pipe min bɛ kɛ tulu, gazi, dugukolo funteni ani jisuma-jisuma kɔlɔnw na. O fɛn dilannen bɛ jɔ nɛgɛdaga kan sanni ka kɛ plastiki walima nɛgɛ ye, a dilannen don walasa ka watara walima ji funteni ta kɔlɔn kɔnɔ, a bɛ don OCTG juruw ni dingɛ duguma minɛnw na, wa a bɛ tɛmɛ masin, funteni, fɛnɲɛnamafagalan ani ɲɔgɔndan-jogoɲumanya kɔlɔsili fɛ.

Danfara wɛrɛ ye ko nin fura suguya in man kan ka faamuya dɔrɔn i n’a fɔ waji-pikiri tubabukan tulu kɔlɔnw kama. A fana bɛ ni insulasi-pipe sira ye min bɛ kɛ ka dugukolo sumaya, dugukolo sumaya fanga sɔrɔli ani jisuma kɔlɔn funteniman-jibɔyɔrɔw, nafa bɛ suman yɔrɔ min na ni bɔyɔrɔ funteni caman ye, funteni maracogo ɲuman ani kɔlɔn kelen-kɔlɔn funteni barikama-bɔli nafama.

Aw ye ɲɔgɔn sɔrɔ sisan

Ɲininkaliw

 

 

Ɲininkaliw 1 – Tuma jumɛn na ne ka kan ka baara kɛ ni tubabufura ye min bɛ tanga tubabukan na sanni ka tubabufura sabatilenw kɛ?

K'a nafa bɔ a latubabukan min bɛ kɛ ni vacuum yepikirijikɛlanw na (CSS / SAGD), ji gɛlɛnw-tulu gɛlɛn-tulu, dugukolonɔn ani nɛnɛ banbali kɔlɔnw kɔnɔ, walima yɔrɔ minnu na sizo, jisuma walima annulus funteni caman ye gɛlɛya ye. A bɛ dɔ bɔ sɛnɛfɛnw tali la, ka kɛsu lakana ani ka dɛmɛ don ka sɛnɛfɛnw bɔli to sen na.

Ɲininkali 2 – Bonya ni hakɛ jumɛnw bɛ sɔrɔ tubabukan insulasi la?

An bɛ fɛnw dilantubabukan insulasika da API 5CT tubabukan kan ka bɔ2-7/8 "×1,9" ka se 7"×5-1/2" ma., kalansenw na i n’a fɔ N80, L80 seriyali ani Q125, ni BTC walima gazi premium-tight connections ye, R2/R3 janya ani pup joints insulated bɛnninw.

Ɲininkali 3 – Octal insulated tubing bɛ se ka funteni ni k- hakɛ jumɛnw minɛ?

Octal Pipe VIT dabɔra fo ka se a ɲɔgɔnna ma400 degere yewatara walima jisuma. Insulasi hakɛ danfaralenw bɛ k- nafa dɔgɔmanw di ka jigin fo ka se a lamini ma0,002–0,006 W/(m· degɛrɛ ) ., o bɛ kɔlɔnw funteni bɔnɛ dɔgɔya kosɛbɛ ka tɛmɛ sɛnɛfɛnw dilanni tubabukan kɔrɔlenw kan.

Sɛbɛnw (certifications) minnu bɛ sɔrɔ

 

CE ka Seereyaw

ISO 9001 ka seereyaw

API Q1 Seereyaw

ABS ka Seereyaw

AP-5L ka seereyaw

API-5CT ka seereyaw

 

Baara suguya:waji pikiri (CSS / SAGD), tulu girinman-bɔli, ji jugu-ji, dugukolonɔn, nɛnɛ banbali kɔlɔnw

Kɛcogo:concentrique double-kogo seamless steel pipe, annulus evacué ni insulation multilayer

Bonya hakɛ (kɛnɛma × kɔnɔna):

73 × 40 mm (2-7/8" × 1,9")

89 × 50 mm (3-1/2" × 2-3/8") ye.

114 × 76 mm (4-1/2" × 3-1/2") ye.

140 × 101 milimɛtɛrɛ (5-1/2" × 4-1/2")

178 × 124 milimɛtɛrɛ (7" × 5-1/2")

Janya:Range 2 (R2) ani Range 3 (R3), pup joints insulées bɛ sɔrɔ

Nɛgɛdaga minnu bɛ kɛ:N80, L80-1 / 1Cr / 3Cr / 9Cr, Q125, S135 ani API 5CT kalasi wɛrɛw

Jɛɲɔgɔnyaw:API BTC iko sariya, gazi-tight premium jɛgɛnw

Sumaya hakɛw (k-nafa): .insulasi hakɛ caman, k jigin ka se . 0.002–0.006 W/(m·℃) ɲɔgɔn ma ka kɛɲɛ ni kalata ye

Max. baarakɛcogo funteni : 1 .fo ka se degere 400 ɲɔgɔn ma (application-dependent) .

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