Vacuum Insulated Tubing

Pulojekiti iliyonse yamadzi-ya jekeseni kapena yotentha yamoto imawononga ndalama zambiri kusandutsa mafuta-apamwamba kwambiri. Pachingwe chochulukirachulukira, gawo lalikulu la mphamvuyi limatayika potsikira pansi: kutsika kwa nthunzi, mafuta amakhalabe owoneka bwino, phula ndi sikelo zimamangika, phula limatenthedwa ndipo, mu permafrost, nthaka yozungulira chitsime imatha kusungunuka. Ogwira ntchito akafika pamenepa, funso silikhalanso "nthunzi yambiri?" koma "tisunga bwanji kutentha komwe kuli kofunikira?"

Zithunzi za Octal Pipeinsulated chubu, amadziwikanso kutivacuum insulated chubing (VIT), lapangidwira zitsime izi. Gulu lililonse lili ndi machubu{1}}pawiri okhala ndi chubu chopangira mkati ndi chubu chonyamulira chakunja. Katunduyu amadzadza ndi-zotsekera bwino kwambiri ndipo amasamutsidwira pamalo opanda mpweya wambiri, wokhala ndi zowunikira komanso zoletsa kutsekereza ma conduction, ma convection ndi ma radiation nthawi imodzi. Poyerekeza ndi machubu opanda kanthu, VIT string yathu imatulutsa mokwera kwambiri-kutsika kwa nthunzi yamabowo, kutentha kwapang'onopang'ono komanso kutsika kochepa kwambiri pa mita imodzi.

Omangidwa pa API 5CT tubing giredi monga N80, L80 ndi P110 ndi BTC kapena premium gas-malumikizidwe olimba, Octal-machubu otsekedwaimatha kuyendetsedwa ndi zida zogwirizira za OCTG, koma zimakupatsirani mphamvu yotenthetsera yofunikira-yobaya mafuta a nthunzi yolemera kwambiri, -kutukuka kwamafuta kunyanja, zitsime za permafrost ndi mapulojekiti apamwamba-anthalpy geothermal.

Octal insulated chubing amamangidwa ngati azingwe ziwiri-zolowera khoma. Gulu lililonse limakhala ndi laling'onochubu chamkatizomwe zimanyamula madzi a m'chitsime ndi zazikuluchubu chakunjazomwe zimateteza msonkhano. Machubu awiriwa amalumikizidwa pamodzi kumapeto onse, ndikupanga chosindikizidwaannular insulation spacepakati pawo. Malumikizidwe amalumikizidwa pachitsime ndi API BTC kapena ma premium threaded couplings, kotero chingwe chathunthu chimayenda ngati machubu wamba.

Kutentha kwapangidwe kumatengera kudula zonsenjira zitatu zoyambira kutentha-kutengerapo - conduction, convection ndi radiation - mu annulus:

• Chojambula cha aluminium chotchinga ma radiation

Chojambula chowunikira cha aluminiyamu chimakutidwa mu annulus kuti chiwonetsere ma radiation a infrared kubwerera ku chubu chamkati chamkati. Izi zimachepetsa kwambiri kutentha kwa kutentha pa kutentha kwakukulu kwa nthunzi.

• Insulation zida zowongolera ma conduction

Mpata pakati pa chitoliro chamkati ndi chakunja chimadzadza ndi-zotsekera zotsika kwambiri (monga perlite powder kapena ultra-fine glass wool). Izi zimawonjezera kukana kwa kutentha kwa annulus ndikuletsa kutuluka kwa kutentha kwa conductive.

• Vacuum ndi getters kupondereza convection

Pambuyo pa msonkhano, annulus amasamutsidwa kupita kumalo otsekemera kwambiri ndipo amaikidwa ndi ma getters omwe amamwa mosalekeza mpweya wotsalira. Ndi pafupifupi palibe mpweya wotsala kuti usamuke, kutentha kwa convective mu annulus kumathetsedwa bwino.

• Pre-kuchiza kupsinjika kwa chubu lamkati mwachitetezo

Chitoliro chamkati chimapatsidwa mphamvu zowongolera-zisanayambe kuwotcherera komaliza, kuti matenthedwe akamawotcherera ndi kukanika kukawotcherera kumunda asapangitse kupanikizika kotsalira. Izi zimathandiza kuti weld zone ndi cholumikizira chonsecho chitetezeke pamakina nthawi zambiri zotenthetsera ndi kuziziritsa.

Pophatikiza-mapaipi awiriwa ndikuteteza ma radiation, kutsekereza kolimba, vacuum yayikulu komanso kupsinjika kwamkati-kwa chubu{1}}, Machubu a Octal insulated chubu amachepetsa kutenthedwa m'chitsime pamene akugwirabe ntchito ngati chingwe chodziwika bwino cha OCTG.

Mfundo yofunika kwambiri yaumisiri ndikuti magwiridwe antchito amatenthedwa samatsimikiziridwa ndi zinthu zotsekemera zokha. Mu utumiki wakumunda, kutentha kumayambukiridwa kwambiri ndi kukhazikika kwa annulus, kutha-kuwoloka kwa weld ndi joint-kuwongolera kutentha kwa dera pambuyo poyendetsa njinga mobwerezabwereza. Ichi ndichifukwa chake pre{4}}stressed insulated chubing ndi yofunikira makamaka pamayendedwe a nthunzi m'malo mongotentha-kanthawi kochepa.

Gulu la malonda limatha kumveka bwino pogwiritsa ntchito njira zisanu zachindunji-zolowera: -kubwezeretsa kutentha kwamafuta, kupewa kusungunuka kwa permafrost m'malo amafuta ndi gasi, anti-zitsime za sera, kutentha kwa geothermal ndi kupanga magetsi, ndi zitsime zotentha{3}}zotentha. Izi zimathandiza kusonyeza kuti osiyanasiyana sikungokhala jekeseni nthunzi yekha; imathanso kusankhidwa molingana ndi ntchito yoteteza kutentha-m'madzi otentha-ndi madzi otentha.

Zitsime zotentha-zokasupe

Pachitukuko cha kutentha-kukasupe, kufunikira kwa machubu otsekera kapena chitoliro chotsekereza sikungochepetsa kutayika kwa kutentha kokha, komanso kusunga kutentha koyenera kupezeka kuchokera kuya mpaka kwina. M'mapulojekiti oterowo, kutentha kwapamwamba kwambiri komanso kusunga kutentha kosasunthika kungapangitse mtengo wamalonda wa chitsime ndikuchepetsa kutentha kwa kutentha panthawi yobereka.

Kuti kuwunika kwachitsanzo kukhale kosavuta, kukula kwachidziwitso mu gawoli kumakonzedwa m'magulu osiyana a tebulo. Gome loyamba liri ndi mtundu wa vacuum insulated chubing size yomwe imagwiritsidwa ntchito pobaya jekeseni wa nthunzi, mafuta olemera-opanga mafuta ndi ntchito zina zamafuta akumalo opangira mafuta. Gulu lachiwiri la tebulo limawonjezera kukula kwa machubu opangidwa ndi insulated ndi ma insulation grade pa ntchito ya cyclic matenthedwe. Gome lachitatu likuwonetsa mapaipi otsekereza a Octal omwe amagwiritsidwa ntchito mwachindunji mu kutentha kwa geothermal-kusinthana ndi kutentha-kutentha kwamasika-ntchito zoteteza. Kusiyanitsa pakati pa mabanja akuluwa kumapangitsa kuti kuwunika kwa RFQ kukhale kosavuta komanso kumathandiza kusiyanitsa zingwe zamafuta amtundu wanthawi zonse ndi zotenthetsera za geothermal-mapaipi.

Octal vacuum insulated chubing imapezeka m'magulu otsatirawa amtundu wamafuta ndi nthunzi-zogwiritsa ntchito.

Pama projekiti okhala ndi njinga zamoto mobwerezabwereza, banja la kukula kwa machubu opangidwa ndi insulated limodzi ndi zotsekera-zigawo zamagulu ziliponso. Miyezo iyi ikuwonetsedwa bwino pansi pa tebulo la VIT lokhazikika ngati cholozera chowonjezera cha kutentha-kusankha ntchito, makamaka pamene ogula akuyenera kufananiza kukula, maenvulopu olumikizirana, kulemera kwa mayunitsi ndi magwiridwe antchito powunikiranso chimodzimodzi.

Pakuwotha kwa geothermal, kupanga magetsi a geothermal ndi zitsime zotentha-zitsime, gulu lazinthuzo limaphatikizanso banja la mtundu wina wa chitoliro cha Octal Insulator. Kuwonetsa machubu awa patebulo lodziyimira pawokha kumapangitsa kuti madzi a m'nthaka ndi otentha-azitha kufananiza ndi madzi mosavuta osawasakaniza ndi nthunzi{3}}masaizi a machubu a service, komanso kumapatsa ogula poyambira kutentha-kuteteza matchanelo ndi kusankha ma model.

Kuti kusankha kwa uinjiniya kukhale kosavuta, machubu a Octal insulated amaperekedwa angapomasukulu otentha:

• Gulu B- λ ≈ 0.06–0.04 W/(m· digiri)
• Gulu C- λ ≈ 0.04–0.02 W/(m· digiri)
• Gulu D- λ ≈ 0.02–0.006 W/(m· digiri digiri)
• Gulu E- λ ≈ 0.006–0.002 W/(m· digiri)

The apamwamba kalasi, m'munsi kutentha kutaya pa mita ndi bwinopansi-ubwino wa nthunzikwa chikhalidwe chopatsidwa. Gulu lathu la mainjiniya litha kutengera kutayika kwa kutentha ndi kuya kuti muwone kusiyana pakati pa machubu wamba, oyambira-machubu otsekedwandi{{0}grade Octal VIT yapamwamba kwambiri pa mbiri yanu yachitsime.

Posankha zochita, kalasi yotentha iyenera kuwerengedwa pamodzi ndi ntchito yautumiki. M'mapulojekiti a nthunzi-obaya ndi olemera-olemera, kutsika kwa kutentha kumatanthauza kutsika kwa nthunzi kukuya kwa nkhokwe komanso kusasunthika kosafunika kwenikweni mu annulus. M'mapulojekiti a geothermal ndi otentha-kasupe, kutsika kwa kutentha kumatanthauza kutentha kwapamwamba komanso kutentha komwe kumatha kugwiritsidwa ntchito pamtunda. Ichi ndichifukwa chake kalasi ya insulation iyenera kukhala yogwirizana ndi mphamvu ya polojekiti, osati kutengedwa ngati nambala yamakatalogu.

Kwa ogula machubu a insulated, mafunso ofunikira sikuti "mumakula bwanji?", koma:

• Kodi ndingasunge kutentha kochuluka bwanji pachitsime changa?
• Kodi mamangidwewa amakodzedwa kuti azilowa-madzi akuya, jekeseni wa nthunzi kapena kumtunda?
• Kodi ndingawone k-mtengo ndi mbiri ya kutentha ndisanayitanitsa?

Kuti tiyankhe izi, Octal amachitirainsulated chubumonga makina opangidwa, palibe-mtundu umodzi-wokwanira-zonse.

Pantchito yopangira, machubu otsekera amasankhidwa ndi cholinga chautumiki, ntchito ya kutentha komanso momwe alili bwino, osati ndi OD yokha. Kuunikaku kumayamba ndi cholinga chogwira ntchito: kusunga nthunzi kuti isungike kuya kwa madzi m'zitsime za CSS kapena SAGD, kuchepetsa kutentha kwa madzi akuya-kutulutsa madzi, kuchepetsa kutentha kwa sera-zitsime za m'mphepete mwa nyanja, kuteteza madzi oundana m'malo oundana, kapena kuteteza madzi otentha kuti agwiritsidwe ntchito{3}} Kuchokera pamenepo, chingwe cha chubu chimatanthauzidwa ndi insulation grade, annulus vacuum target, masanjidwe othandizira, kuwongolera kutentha ndi ntchito-zofunika zamoyo pansi pa njinga yamoto yobwerezabwereza.

Njirayi imapatsa ogula maziko ogwiritsira ntchito poyerekezera ndi polojekiti. M'malo mofananitsa machubu potengera kukula kwake ndi mtundu wa ulusi, zosankhidwazo zitha kuyang'aniridwa kuti zisakhale ndi kutentha komwe kumayembekezeredwa, kutentha kwa pansi-bowo kapena potuluka, kutentha kwa annulus, kukwanira bwino-kukwanira bwino komanso ngati kumangako ndi jekeseni wa nthunzi, kuzama{3}}kutsimikizira kutuluka kwa madzi, kutenthetsa m'mphepete mwa nyanja kapena kuteteza kutentha kwa geothermal{4}. Izinso ndiye lingaliro la zigawo zili m'munsizi: kachunidwe kaye, kenaka kutentha{{6}kuwongolera kutentha mu annulus, ndiye k-kutengera mtengo ndi kutentha, ndipo pamapeto pake moyo wa service ndi kutalika kwake.

1. Zosintha zosinthidwa malinga ndi momwe zilili
M'malo momanga kamodzi, Octal imapereka masinthidwe angapo otsekera omwe amamangidwa pamalingaliro amkati / akunja opanda chitoliro. Popanga madzi akuya{{1}timayang'ana kwambiri-kukhazikika kwanthawi yayitali komanso k{3}}zotsika kwambiri zowongolera kutentha kwa annulus ndi kuwopsa kwa hydrate; pazantchito za nthunzi (CSS / SAGD) timatsindika kwambiri-kutentha kwambiri komanso kukana kupalasa njinga; pazitsime za m'mphepete mwa nyanja ndi chitetezo cha permafrost timalinganiza mphamvu zotchinjiriza ndi mtengo ndi katundu wamakina. Kusintha kulikonse kumatanthauzidwa ndi kalasi yake yotsekera, mulingo wa vacuum ndi masanjidwe amkati othandizira, kotero mutha kufananiza chingwe cha VIT kumunda wanu m'malo mosintha gawo ku chubu.

2. Kuwongolera kwa convection, conduction ndi radiation mu annulus
Mapangidwe athu amaphatikiza njira zitatu zochepetsera kutentha pakati pa chitoliro chamkati ndi chakunja:

• Kuwongolera kwa convection- annulus imasamutsidwa kupita kumalo otsekemera, kapena kudzazidwa ndi mpweya wa inert pamene kuli koyenera, kotero kuti pamakhala madzi ochepa omwe amatsalira kuti atenge kutentha ndi convection. Getters mu annulus amathandizira kukhalabe ndi vutoli pa moyo wa chitsime.
• Kuwongolera koyendetsa- Zothandizira zokhala bwino zimasunga mapaipi amkati ndi akunja ogwirizana ndikuchepetsa kukhudzana ndi zitsulo, kusunga kusiyana kwa kutchinjiriza ngakhale pansi pa katundu ndi kusintha kwa kutentha.
• Kuwongolera kwa radiation- mitundu ingapo-zotsekera zosanjikiza zowoneka bwino komanso zosawoneka-zosanjikiza (zofanana kwenikweni ndi makina a MLI) zimachepetsa kusuntha kwa kutentha pa kutentha kwakukulu kwa nthunzi.

Ngati pakufunika, insulation yowonjezera imayikidwa kuzunguliramalo ogwirizanakotero kuti maulumikizidwe asakhale "malo otentha" mu chingwe.

3. k-kutengera kuchuluka kwa magwiridwe antchito ndi mawonekedwe amafuta
Kutentha kumawonetsedwa ngati ak-mtengo(kutayika kwa kutentha mu BTU/hr · ft· digiri F kapena W/m· digiri ). Octal insulated chubing imapezeka m'magulu angapo a k-kuyambira akuya-madzi opangira kutentha pang'ono kwambiri, kupita kumtunda-k koma otsika mtengo kwambiri-pamalo otenthetsera kumtunda.

Pantchito ya polojekiti, gulu lathu la uinjiniya litha:

• werengerani k-makhalidwe a machubu osankhidwa omwe asankhidwa,
• thamangakutentha-kuyerekeza-zozama zambiripa geometry yanu yeniyeni, ndi
• yerekezerani zochitika monga "machubu okhazikika vs ma insulated chubu" kapena "mid-grade vs high-grade VIT".

Izi zimakupatsirani kuwona bwino kwapansi-kutsika kwa nthunzi, kutentha kwa casing/annulus ndi kutentha kwa potulukakalemumadzipereka kupanga zingwe.

Tebulo lofananitsa losavuta lili m'munsimu likuwonetsa kutsika kwa kutentha kumayenderana ndi kutentha kwakukulu-kutulutsa mphamvu pansi-kutsika kosiyanasiyana kwa kutentha.

Malingaliro aukadaulo omwewo amafikiranso ku geothermal ndi madzi otentha-amadzi otentha. Malingaliro atatu a downhole thermal-channel amatanthauzidwa ngati Scheme A, B ndi C. Scheme A imayimira chitsime chopanda mankhwala otsekera bwino, pomwe kutentha kumatengeka ndikutayika pakatentha-gawo losungira. Dongosolo B limayika zotsekereza gawo lina la gawoli kuti ziwongolere kagwiritsidwe ntchito ka mphamvu ya kutentha kwa mpweya. Scheme C imapanga njira yotetezera kutentha kwambiri{7}}kotero kuti kutentha kwa kutentha kupitirire patsogolo, makamaka m'zitsime zotentha kwambiri{8}}. Izi ndizofunikira chifukwa zimagwirizanitsa kusankha kwa mapaipi ndi kutentha kwadongosolo{10}}kuteteza kachitidwe m'malo mwa kukula kwa chubu kokha.

Njira inanso ndiyo kutentha kwa coaxial-njira yosinthira pogwiritsa ntchito kabati ndi pakati-paipi yapaipi, pomwe chitoliro chotsekereza chimagwiritsidwa ntchito kuti chisungike mphamvu yowonjezereka ya geothermal m'mphepete mwa chitsime. Pazinthu zotenthetsera kutentha kwa geothermal ndi mphamvu-zotulutsa mphamvu, kusankha nthawi zambiri kumayendetsedwa ndi kutentha kwa kunja, kuchuluka kwa ma circulation, single-chitsime chochotsa kutentha ndi kutulutsa kutentha kwapachaka, osati OD ndi mtundu wa ulusi wokha.

Choyimira cha PERT II chandandalikidwa pansipa kusonyeza momwe kutentha kwa potuluka ndi -chitsime chamagetsi amodzi zimawunidwira pansi pa momwe kutentha kwanyengo kumayendera.

Masinthidwe odziwika bwino a geothermal amaphatikiza 273.05 × 11.43 mm casing yokhala ndi 178 × 135 / 194 / 154 mm yofananira miyeso ya njira yotchinga pafupifupi 4000-4500 m zitsime komanso mozungulira 3750-4500 kW, 3 × 4500 kW kutulutsa, 3 × 1 × 244 kW. 100 / 154 mamilimita kalasi dongosolo pafupifupi 3100 m zitsime ndi pafupifupi 1250-1500 kW, 219.1 × 10.16 mamilimita casing ndi 140 × 100 / 154 mamilimita kalasi makonzedwe pafupifupi 3000 m zitsime ndi pafupifupi 1000 × 7 91 mm. bokosi lokhala ndi 114 × 81 / 127 mm dongosolo la kalasi la zitsime pafupifupi 2500-3000 m komanso pafupifupi 750-1000 kW, ndi chikwama cha 139.7 × 7.72 mm chokhala ndi 89 × 62 / 99 mamilimita makonzedwe a kalasi a zitsime 2500-4000 movutikira ndi 3000 m.

Kuti pulojekiti ifanane mosavuta, njira ya geothermal imayikidwanso mu H2000, H3000 ndi H4000 mndandanda. M'mawu ake, izi zikuyimira kuzama ndi kukwera pang'onopang'ono-kutentha kwa kutentha kwapakati, kuthandiza ogula kugwirizanitsa kuya ndi kutentha-kuchokera ku cholinga chochotsa ndi zotsekera zolondola-njira zamapaipi.

Kuyerekeza kwachindunji kumathandizanso kumveketsa bwino komwe -njira yamapaipi imawonjezera phindu motsutsana ndi PERT II. Thermal conductivity ya PERT II ndi pafupifupi 0.42 W/(m·K), kuyerekeza ndi zosakwana 0.02 W/(m·K) kwa Octal insulation chitoliro. Mu 70 degrees downhole-kuyerekeza kutentha, kutentha{7}}kutulutsa mphamvu ndi pafupifupi 375 kW kwa PERT II ndi pafupifupi 650 kW pa Octal insulator pipe, kuwonjezeka pafupifupi 275 kW, kapena pafupifupi 73%. Poyerekezanso chitsime cha 2500 m chomwe chili ndi pafupifupi madigiri 60 pansi-kutentha kwa dzenje, 30 m³/h kuthamanga kwa madzi ndi 20 digirii kubwerera{18}kubwerera m'madzi, PERT II imafika pafupifupi madigiri 26 kutentha kwa potuluka ndi 210 kW single{{21}mphamvu yamagetsi, pamene Octal insulation pipeni imafika digiri 4{4} kutentha{{25}kutulutsa mphamvu pafupifupi 243 kW, kapena pafupifupi 116%.

Gome lofananitsa ili m'munsimu likufotokozera mwachidule maziko oyesera omwewo komanso kusiyana kwa magwiridwe antchito pakati pa PERT II ndi chitoliro cha Octal insulation.

4. Zopangidwira moyo wautumiki ndi zosankha zautali
Octal insulated tubing amapangidwa mkatiRange 2 ndi Range 3 kutalikandi moyo wapangidwe wogwirizana ndi-zakuya kwanthawi yayitali-madzi, nthunzi-jakisoni kapena ntchito yotentha ndi kutentha. Vacuum integrity, insulation performance ndi ma welds onse ndi oyenerera kupirira kwa zaka zambiri akuyendetsa njinga yamoto, kotero k-mtengo womwe mukuwona pamapangidwewo ndi k-mtengo womwe mungayembekezere m'munda.

Octal insulated chubing amamangidwa pamakalasi odziwika bwino a API 5CT:

• N80, L80-1, L80-1Cr, L80-3Cr, L80-9Cr
• Q125, S135 ndi zina zapamwamba-zamphamvu za zitsime za HPHT
• Standard kugwirizana ndiAPI BTC, ndipo titha kuperekanso:
• gasi-zolumikizana zolimba kwambiri (monga zitsulo-ku-zingwe zachitsulo zamtengo wapatali zofanana ndi momwe zimagwirira ntchito-zokwera kwambiri-zingwe zamachubu).
• zofunika komanso zocheperako-zosankha za flush zochotsera-ma liner ofunika kwambiri.
• kufananiza ma insulated pup joints, crossovers ndi zina.

Izi zikutanthauza kuti mumapeza zabwino zamatenthedwevacuum insulated chubu, koma gulu lanu lokhazikika limayendetsabe ndi machitidwe odziwika bwino a OCTG.

Representative connection-data ya mulingo ingathandize ogula kuyang'ana zinthu zomwe akufuna RFQ isanamalizidwe. Zodziwikiratu-zitsanzo zamapaipi ndi:

· 140 × 100- 5-1/2" BTC, kulumikiza OD pafupifupi154 mm, kulemera kwa unit pafupifupi31kg/m, zolozera kutalika pafupifupi1429 cm kutalika, akunja-gulu la zitoliroN80 139.7 × 6, kunja-kuthamanga kwa chitoliro pafupifupiKuposa kapena kufanana ndi 23 MPa, kalasi yapakati-mapaipiN80 108 × 4, mkati-kuthamanga kwa chitoliro pafupifupi Kuposa kapena kofanana ndi36 MPA, matenthedwe matenthedwe pa ntchito 100 digiriλ <0.02 W/(m·K)

· 189 × 62 - 3-1/2" NU, kulumikiza OD pafupifupi108 mm, kulemera kwa unit pafupifupi15.2kg/m, zolozera kutalika pafupifupi39ft ndi, chitoliro chakunjaN80 89 × 4,kunja-kulimba kwa chitoliro pafupifupiKuposa kapena kufanana ndi 25.8 MPa, chitoliro chamkatiJ55 70 × 4, mkati-kuthamanga kwa chitoliro pafupifupiKuposa kapena kufanana ndi 38 MPa, matenthedwe matenthedwe pa ntchito 100 digiriλ <0.02 W/(m·K)

· 1219 × 182- 8-5/8" SC, kulumikiza OD pafupifupi233 mm pa, kulemera kwa unit pafupifupi65.7kg/m, zolozera kutalika pafupifupi70 ft,chitoliro chakunja 20# 219 × 7, kunja-kuthamanga kwa chitoliro pafupifupiKuposa kapena kufanana ndi 9 MPa, chitoliro chamkati20# 196 × 6, mkati-kuthamanga kwa chitoliro pafupifupiKuposa kapena kufanana ndi 13 MPa, matenthedwe matenthedwe pa ntchito 100 digiriλ <0.02 W/(m·K)

· 1114 × 81 - 4-1/2" BTC, kulumikiza OD pafupifupi127 mm,unit kulemera pafupifupi22.6 kg / m2,zolozera kutalika pafupifupi96ft pa, chitoliro chakunjaN80 114 × 5,kunja-kulimba kwa chitoliro pafupifupiKuposa kapena kufanana ndi 24.3 MPa, chitoliro chamkatiN80 89 × 4, mkati-kuthamanga kwa chitoliro pafupifupiKuposa kapena kufanana ndi 43 MPa, matenthedwe matenthedwe pa ntchito 100 digiriλ <0.02 W/(m·K)

Zambirizi ndizofunikira chifukwa-kugula mapaipi sikumaganiziridwa kawirikawiri ndi magwiridwe antchito amafuta okha. Mtundu wamalumikizidwe ndi kuphatikiza OD kumakhudza kuthamanga kwa chilolezo, kuyenderana ndi kapangidwe kachitsime komwe kulipo komanso kuthekera kwa kukhazikitsa kumunda. Kuyika zamitundu iyi-zambiri patsambali kumapangitsa kuti zokambiranazo zikhale zothandiza kwambiri pakuwunikanso zaumisiri komanso kufananitsa zogula.

Njira yathu yopangira machubu amapangidwa mozungulira kudalirika kwa vacuum annulus komanso magwiridwe antchito amakina:

1. Kukonzekera kwa chitoliro chopanda msoko- machubu akunja ndi amkati amapangidwa kuchokera ku chitoliro chotentha-chogudubuzika chosasokonekera, chodulidwa mpaka kutalika, kutentha-kutenthedwa ndi 100 % NDT-kufufuzidwa. Pamwamba pake amawomberedwa-kuphulika pofuna kuonetsetsa kuti pali mgwirizano wabwino komanso waukhondo.
2. Msonkhano wa insulation- chitoliro chamkati chimakulungidwa kapena chodzaza ndi ubweya wa perlite / magalasi, zojambulazo zowoneka bwino ndi ma spacers molingana ndi kalasi yamafuta osankhidwa, kenako ndikulowetsa mutoliro lakunja.
3. -matambasula ndi kuwotcherera- controlled pre-kutambasula kumayikidwa ku chubu chamkati, kenako mbali zonse ziwiri zimawotchedwa kuti zitseke annulus ndikusunga kuyanika.
4. Vacuum processing- annulus amasamutsidwa kupita ku mulingo wa vacuum womwe watchulidwa; ma getters amatsegulidwa kuti akhalebe otsika kwambiri pa moyo wa chingwe.
5. Mayeso otayikira komanso opanda ungwiro- ma welds ndi vacuum madoko amayesedwa (NDT ndi mayeso otuluka) kuti atsimikizire kulimba kwa annulus.
6. Thermal conductivity mayeso- zitsanzo zolumikizana kuchokera pagulu lililonse zimayesedwa λ kuti zitsimikizire kalasi yotsekera.
7. Kukonzekera ndi kumaliza- Malumikizidwe amapangidwa ndi makina, amayezedwa ku API 5B kapena zojambula zamtengo wapatali, ulusi ndi phosphated ndi kutetezedwa, ndipo zolumikizira zimayikidwa chizindikiro ndikulongedza kuti ziyende.

8.Mndandanda wathunthu wa mayeso- makina, NDT, vacuum, kutentha ndi kuunika kwa ulusi - kumangirizidwanambala ya kutentha ndi nambala yolumikizana, ndi zolembedwa mu EN 10204 3.1 / 3.2 phukusi kuti zivomerezedwe.

Njira yopangira zinthu imatha kufotokozedwa momveka bwino ngati chitoliro-kukonza komaliza ndi kusokoneza, kuchiritsa kutentha, kuyang'anira, kukhazikika-kudula utali ndi kuyeretsa mkati/kunja; kukulunga kwa zojambulazo za aluminiyamu ndi zipangizo zotetezera; kuphatikiza machubu akunja ndi amkati; -kuwotcherera ndi kuwotcherera; kuchotsa vacuum poyang'ana kutayikira ndi X-kuyang'anira ray; annulus-kukhazikika kwa vacuum; kutenthetsa-kuyesa kwamayendedwe; ndi ntchito zomaliza monga ulusi, hydrotest ndi kutumiza kunja. Kufotokozera kowonjezeraku ndikoyenera kuonjezedwa chifukwa kumapatsa ogula njira yolandirira bwino kuchokera pachubu yaiwisi kupita kumalo ophatikizika.

Kuchokera kuzinthu zogulira zinthu, nkhani yamalonda sikuti imangoyamba ndi kutaya kutentha kochepa, koma ngati annulus imakhalabe yosindikizidwa, ngati malo a weld amakhalabe okhazikika pambuyo pa kupalasa njinga yamoto komanso ngati zida zomaliza zimatha kumasulidwa ndi ulusi wobwerezabwereza komanso zolemba zowunikira. Ichi ndichifukwa chake gawo la QA liyenera kukhala lolumikizidwa ndi kuyesa kwamafuta, vacuum integrity, NDT, kuyang'anira kulumikizana ndi zolemba palimodzi m'malo mozitenga ngati zonena zosiyana.

Zotsatira zambiri zainsulated chubukwenikweni amanena zinthu pamwamba mongapre insulated PEX chubuza zigawo-zolowera zowotcherera,pre insulated mkuwa chubukwa HVAC,insulated kutentha kuchepetsa chubuza zingwe zamagetsi, kapena zinthu zolembedwa ngatidekron insulated chubuamagwiritsidwa ntchito mu mafakitale. Zogulitsazi ndizothandiza m'minda yawo, koma zili chonchosizinapangidwe kuti zigwiritse ntchito-hole 350–400℃service, kugwa kwakukulu kapena zofunikira za API 5CT.

Octal amapereka gulu losiyana:zitsulo vacuum insulated chubu kwa mafuta, gasi ndi geothermal zitsime. Zogulitsa zathu:

• amagwiritsa ntchito API 5CT-machubu achitsulo m'malo mwa pulasitiki kapena mkuwa.
• amapangidwa kuti azinyamula nthunzi ndipo amapangidwa ndi madzi pansi pa kuthamanga kwambiri mozama.
• zimaphatikizana ndi zingwe za OCTG, zida zamutu ndi pansi-zida zamabowo.
• ndipo amadutsa mulingo womwewo wa kuyesa kwa OCTG monga machubu opangira, pamwamba pa vacuum ndi mayeso amafuta.

Ndiye ngati polojekiti yanu ikufunikapre insulated PEX chubukapenapre insulated mkuwa chubukwa mizere ya pamwamba, izo ndi zinthu zosiyana; mukafuna machubu achitsulo opangidwa ndi insulated omwe amatha kukhala pachitsime momwemo,Octal vacuum insulated chubundiye yankho loyenera.

Octal imapereka gulu losiyana: machubu otsekera achitsulo ndi chitoliro chamafuta amafuta, gasi, geothermal ndi zitsime zamadzi zotentha-zotentha. Zogulitsazo zimamangidwa pazitsulo zazitsulo osati pulasitiki kapena mkuwa, zomwe zimapangidwira kuti zizinyamula nthunzi kapena madzi otentha pansi pa malo abwino, zimagwirizanitsa ndi zingwe za OCTG ndi zipangizo zapansi, ndipo zimadutsa pamakina, kutentha, vacuum ndi kulumikizana{2}}kuwongolera khalidwe logwirizana.

Chinthu chinanso chosiyanitsa ndi chakuti mankhwalawa sayenera kumveka ngati jekeseni-ya machubu a zitsime zamafuta. Zimaphatikizansopo zotsekera-njira ya mapaipi otenthetsera mpweya, kupangira magetsi a m'nthaka ndi zitsime zotentha-zitsime, pomwe mtengo wake umayezedwa ndi kutentha kwa mpweya wotuluka, kusatetezedwa bwino komanso kutentha kumodzi-kuchitsime chimodzi{5}}kutulutsa bwino.

Lumikizanani tsopano

FAQ

 

 

FAQ 1 - Ndiyenera kugwiritsa ntchito liti machubu otsekera m'malo mogwiritsa ntchito chubu nthawi zonse?

Gwiritsani ntchitovacuum insulated chubumu jakisoni wa nthunzi (CSS / SAGD), akuya-olemera kwambiri-zitsime zamafuta, geothermal ndi permafrost, kapena kumene sera, ma hydrate kapena kutentha kwa annulus kumakhala kovuta. Imachepetsa kugwiritsira ntchito mafuta, imateteza casing ndikuthandizira kuti kupanga kupitirire.

FAQ 2 - Ndi makulidwe ndi magiredi otani omwe amapezeka pamachubu opangidwa ndi insulated?

Timaperekainsulated chubuzochokera API 5CT chubu kuchokera2-7/8"×1.9" mpaka 7"×5-1/2", m'magiredi monga N80, L80 series ndi Q125, okhala ndi BTC kapena premium gas-zolumikizidwe zolimba, utali wa R2/R3 ndi mfundo zolumikizirana ndi ana agalu.

FAQ 3 – Ndi kutentha kotani ndi k-makhalidwe angati Octal insulated chubu chogwirira ntchito?

Octal Pipe VIT idapangidwira mpaka pafupifupi400 digirinthunzi kapena madzi otentha. Magiredi osiyanasiyana otchinjiriza amakhala otsika k-kufikira kuzungulira0.002–0.006 W/(m· digiri ), kupereka kutentha kwachitsime chochepa kwambiri kusiyana ndi machubu opangidwa wamba.

Zitsimikizo

 

Chizindikiro cha CE

ISO 9001 satifiketi

API Q1 satifiketi

Satifiketi ya ABS

Satifiketi ya AP-5L

API-5CT satifiketi

 

Mtundu wautumiki:jakisoni wa nthunzi (CSS / SAGD), kupanga mafuta olemera-, akuya-madzi, geothermal, zitsime za permafrost

Kapangidwe:concentric double-paipi yachitsulo yopanda seamless, yotulutsidwa ndi innulus yokhala ndi ma multilayer insulation

Kukula kwake (kunja × mkati):

73 × 40 mm (2-7/8" × 1.9")

89 × 50 mm (3-1/2" × 2-3/8")

114 × 76 mm (4-1/2" × 3-1/2")

140 × 101 mm (5-1/2" × 4-1/2")

178 × 124 mm (7" × 5-1/2")

Utali:Range 2 (R2) ndi Range 3 (R3), zolumikizira ana agalu zilipo

Magiredi achitsulo:N80, L80-1 / 1Cr / 3Cr / 9Cr, Q125, S135 ndi zina API 5CT makalasi

Kulumikizana:API BTC ngati mulingo wamba, wosankha gasi-malumikizidwe olimba kwambiri

Magiredi otenthetsera (k-mtengo):misinkhu yambiri yotsekera, k pansi mpaka pafupifupi. 0.002–0.006 W/(m· digiri ) kutengera giredi

Max. kutentha kwa ntchito:mpaka pafupifupi 400 digiri (ntchito{1}}zodalira)

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