Chiyambi: Vuto la Mapaipi mu Nthawi ya AI
Kuziziritsa madzi kukukhala njira yofunika kwambiri yothetsera mavuto okhudzana ndi kutentha komanso kugwiritsa ntchito bwino mphamvu zomwe zimagwiritsidwa ntchito pa kompyuta ya AI yokhala ndi mphamvu zambiri. Mphamvu ya pa rack yakwera kuchoka pa 10-20 kW yachikhalidwe kufika pa 50 kW, ndipo mphamvu zina zochulukirapo kwambiri zimapitirira 100 kW. Mu makina ozizira oziziritsa madzi, mapaipi amakhala ndi ntchito yaikulu yonyamula ndi kugawa zinthu zoziziritsira, ndipo kusankha zinthu zake kumakhudza mwachindunji kudalirika kwa makinawo kwa nthawi yayitali, nthawi yomanga, ndi ndalama zogwirira ntchito.
Kuvuta kwa kusankha zinthu kwakula kwambiri pamene makina oziziritsira madzi akusintha kuchoka pa mizere yosavuta yotsekedwa kupita ku mapangidwe amitundu yosiyanasiyana okhudzana ndi zoziziritsira zosiyanasiyana, kutentha kosiyanasiyana, ndi zofunikira pakugwira ntchito. Malangizo amakampani a makina oziziritsira madzi tsopano akuzindikira zipangizo zingapo zapamwamba ngati zigawo zoyenera zonyowa, zomwe zimathandiza kugwiritsa ntchito njira zambiri zogwirira ntchito bwino mu ntchito zoziziritsira za data za m'badwo wotsatira.
Nkhaniyi ikuyang'ana magulu atatu akuluakulu a zinthu—zitsulo, ma elastomer, ndi ma polima opangidwa mwaluso—kusanthula mphamvu zawo, zofooka zawo, ndi momwe amagwiritsidwira ntchito bwino kutengera machitidwe aukadaulo omwe alipo komanso miyezo yatsopano.
Chitsulo Chosapanga Dzimbiri: Kavalo Wantchito Wachikhalidwe
Chifukwa Chake Chopanda Zopangira Chitsulo Chimakhalabe Choyambira
Mapaipi osapanga dzimbiri akhala akusankhidwa kale kwambiri pokonza zinthu zoziziritsira deta chifukwa cha mphamvu zake zambiri, kukana kupanikizika bwino, komanso ukadaulo wokhwima. Mu mapaipi amkati a CDU, 316L imagwiritsidwa ntchito ngati chinthu chokhazikika pa ntchito zambiri zokhazikika, zomwe zimagwirizana bwino ndi madzi osasungunuka ndi madzi osakanikirana ndi glycol. Moyo wa kapangidwe ka zinthuzo ndi zaka 70-100 pansi pa mikhalidwe yabwinobwino yogwirira ntchito zimapangitsa kuti zikhale zokopa pa zomangamanga zofunika kwambiri.
Makampaniwa apanga miyezo ndi machitidwe ambiri okhudzana ndi mapaipi achitsulo chosapanga dzimbiri. ASME B31.3 imapereka dongosolo la kapangidwe kake, ndi njira zowotcherera zomwe zimagwirizana ndi ASME IX kapena EN ISO 15614. Pa ma hyperscale deployments, pafupifupi 90% ya malo olumikizirana amakhala ozungulira, omwe amapereka ma weld obwerezabwereza, olowa mokwanira, komanso otsukidwa ndi gasi.
304 vs. 316L: Chisankho Chachikulu
Kusankha pakati pa 304 ndi 316L ndi chisankho chofunikira kwambiri chaukadaulo chomwe chimabweretsa zotsatirapo kwa nthawi yayitali. Pazinthu zoziziritsira zamadzi (madzi, glycol solutions), 304 (06Cr19Ni10) nthawi zambiri amalimbikitsidwa ngati maziko. Komabe, pa malo okhala ndi chloride kapena fluorinated fluid/mineral oil media, 316L (022Cr17Ni12Mo2) kapena ma grade apamwamba amafunika.
Kusiyanaku n'kofunika chifukwa ngakhale kusagwirizana pang'ono kwa zinthu kungayambitse kuwonongeka kwa magwiridwe antchito chifukwa cha kupangika kwa mpweya, kusintha kwa mpweya, kapena dzimbiri pamwamba. Mu ma loops ozizira olunjika ku chip, komwe ma microchannels amakhudzidwa kwambiri ndi kuipitsidwa kwa tinthu tating'onoting'ono, zotsatira za kuwonongeka kwa zinthuzo zingakhale zoopsa kwambiri.
Ndalama Zobisika za Machitidwe a Zitsulo
Ngakhale kuti ndi yamphamvu, mapaipi achitsulo chosapanga dzimbiri ali ndi zofooka zomwe zimaonekera kwambiri pakugwiritsa ntchito kwambiri:
Kuopsa kwa dzimbiri pogwiritsa ntchito magetsiVuto lalikulu kwambiri ndi lakuti mapaipi achitsulo akakhudzana ndi choziziritsira mpweya kwa nthawi yayitali amatha kuyambitsa dzimbiri pakati pa zitsulo zosiyana, zomwe zimapangitsa kuti tinthu tating'onoting'ono timeneti tilowe m'ma microchannels ozizira (nthawi zambiri pa sikelo ya micrometer), tingayambitse kutsekeka, kusokoneza mphamvu ya kutentha kapena kuwononga tchipisi.
Nthawi yowonjezereka yomanga ndi kukhazikitsaKuwunjikira mafuta pamalopo n'kovuta ndipo kumafuna kutsukira asidi nthawi yayitali, kusuntha, ndi kutsuka pambuyo powunjikira mafuta. Njira yoyeretsera ndi kusuntha isanayambe kudzazidwa imaphatikizapo kuyeretsa kwa makina, kuchotsa mafuta ndi alkaline deaser, kusuntha ndi nitric/hydrofluoric acid mix, ndi kutsuka madzi ndi DI water flushing.
Zoopsa za kuipitsidwa pamwambanthawi zambiri amanyozedwa. Chubu cha 304 kapena 316L chomwe chadulidwa, kulumikizidwa, ndikusungidwa pamalopo chimakhala ndi kuipitsidwa kwa chitsulo pamwamba pake komanso kutentha kwa mtundu uliwonse. Ngati kuzungulirako kudzazidwa ndi madzi a DI mu mkhalidwe umenewo, awa amakhala malo oyamba kumene biofilm idzakulira.
Elastomers: EPDM ndi PTFE ya Maulumikizidwe Osinthasintha
EPDM: Elastomer ya Workhorse
Pa makina oziziritsira madzi a m'madzi ndi glycol ozizira, EPDM (ethylene propylene diene monomer) ndiye chisankho chachikulu cha elastomer. Ubwino wake waukulu ndi monga kukalamba bwino komanso kukana dzimbiri, kutentha kogwira ntchito nthawi zambiri kumakhala kuyambira -40°C mpaka +120°C, komanso ndalama zomwe zimawongoleredwa.
EPDM imagwiritsidwa ntchito kwambiri polumikizira, kutseka, ndi mapaipi osinthasintha komwe kumafunika kukhazikika kwa kayendedwe. Kuyesa kuyanjana kwa zinthu kwawonetsa kukhazikika kwa EPDM ndi zoziziritsira zomwe zimagwiritsidwa ntchito nthawi zambiri, kuchepetsa zoopsa za kuwonongeka ndikuwonetsetsa kuti mankhwala ali olimba pakapita nthawi yayitali. EPDM yochiritsidwa ndi peroxide imalimbikitsidwa makamaka pamaukonde amadzimadzi a data center, zomwe zimapangitsa kuti ikhale yolimba poyerekeza ndi mitundu yochiritsidwa ndi sulfure.
PTFE: Yankho Labwino Kwambiri
Pa malo osungira madzi okhala ndi fluorine, kugwiritsa ntchito kutentha kwambiri, komanso zofunikira za moyo wautali mu supercomputing ndi high-density AI compute, PTFE (polytetrafluoroethylene) ndiye chisankho cha makampani. Ma PTFE corrugated cooling hose osinthidwa amatha kugwira ntchito mosasunthika pa kutentha kwakukulu kuyambira -60°C mpaka +260°C, ndikukalamba pang'onopang'ono komanso moyo wautali wautumiki.
FEP (fluorinated ethylene propylene), yomwe ndi fluoropolymer yofanana nayo, imapereka ubwino wowonjezera: kukhazikika kwabwino kwa mankhwala, kutentha kwakukulu kosungunuka ndi kutentha kogwira ntchito kuyambira -85°C mpaka 200°C, komanso mphamvu zabwino kwambiri zamagetsi zotetezera kutentha. Imagwiritsidwa ntchito kwambiri polumikizira RCM-to-server ndi madzi ozizira.
Ubwino waukulu wa ma fluoropolymers uli mu kukhazikika kwawo kwapadera kwa mankhwala. Kupatulapo momwe amachitira ndi zinthu za fluorine pa kutentha kwambiri, zitsulo zosungunuka za alkali, ndi chlorine trifluoride, sakhala ndi dzimbiri akamakhudzana ndi mankhwala ena. Izi zimapangitsa kuti zikhale zabwino kwambiri pozizira kwambiri komanso nthawi yayitali yogwira ntchito.
Ma polymer Opangidwa Ndi Mainjiniya: Njira Yachitatu Yoyambira
PVDF: Kuzindikira Kouziridwa ndi OCP
Chinthu chofunika kwambiri pakugwiritsa ntchito ma polima chinachitika pamene GF inalandira kudziwika kwa OCP Inspired™ chifukwa cha manifold yake ya PVDF yomwe ili mu rack kuti izizire madzi mwachindunji ku chip—manifold yoyamba ya polymer yomwe inalandira kudziwika kumeneku mkati mwa pulogalamu ya Open Compute Project.
Manifold a PVDF adapangidwa kuti azithandiza malo ofunikira kwambiri osamalira kutentha komwe kuyera kwa coolant, kukana dzimbiri, komanso kudalirika kwa nthawi yayitali ndikofunikira kwambiri. Mosiyana ndi manifold achitsulo wamba, yankho limagwiritsa ntchito kapangidwe ka polima kopangidwa kuti lithandizire kufalikira kwa kayendedwe kofanana m'madoko onse otulutsira, kuthandiza kusunga magwiridwe antchito okhazikika komanso obwerezabwereza oziziritsa m'malo onse oyikamo. Kapangidwe ka PVDF kopepuka kamathandizanso kuti ntchito ikhale yopanda dzimbiri komanso kuphatikiza kosavuta kudzera mu njira zolumikizira zosinthika komanso zoyikira.
Manifold iliyonse imapangidwa mwamakonda malinga ndi zofunikira za kasitomala komanso kuziziritsa ndipo imayesedwa ndi mphamvu ya 100% isanatumizidwe. Lingaliro la manifold latsimikiziridwa kale kudzera mu njira zingapo zotsimikizira mfundo ndi kukhazikitsa malo osungira deta amoyo ku America, Europe, ndi Asia-Pacific.
Chifukwa Chake Makina a Polima Akuyamba Kugwira Ntchito
Nkhani ya uinjiniya wa mapaipi a polima imapitirira kuzindikira kwa OCP:
Ntchito yopanda dzimbiri: Makina a polima alibe chiopsezo cha dzimbiri chamagetsi ndipo satulutsa tinthu tachitsulo pakagwiritsidwa ntchito kwa nthawi yayitali, zomwe zimathandiza kusunga ukhondo wa choziziritsira.
Kuchepetsa thupiMapaipi a polima amatha kuchepetsa kulemera ndi 64% poyerekeza ndi makina ofanana achitsulo chosapanga dzimbiri, zomwe zimathandiza kuti pakhale kunyamula ndi kukhazikitsa zinthu zomangidwa kale kwambiri.
Malo osalala amkati: Makina a polima opangidwa mwaluso amapereka malo osalala amkati omwe amachepetsa kuipitsidwa ndi kuchepetsa kutsika kwa kuthamanga kwa magazi.
Kulumikizana kochepetsedwa ndi kuipitsidwa: Ukadaulo wothira ma infrared umathandiza kuti ma module-level joints asakhale ndi zinthu zodzaza kapena mpweya wothira ma welding, zomwe zimathandiza kuti pakhale chiopsezo cha kuipitsidwa. Mosiyana ndi orbital welding ya chitsulo chosapanga dzimbiri, yomwe imafuna qualified welding procedure specification (WPS) ndi procedure qualification record (PQR), IR welding imapereka ma weld ofanana, opanda chilema komanso kusagwirizana kochepa kwa anthu.
Malire Ogwiritsira Ntchito
Mapaipi a polima sali pamalo oyenera kulowa m'malo mwa mapaipi achitsulo. Malire a momwe angagwiritsidwire ntchito ayenera kutsimikiziridwa ndi mikhalidwe yogwirira ntchito:
| Chitsanzo | Zinthu Zolimbikitsidwa |
|---|---|
| Zoziziritsira zamadzi, kuthamanga kwanthawi zonse | Chitsulo chosapanga dzimbiri 304 kapena njira ina ya polima |
| Malo okhala ndi chloride | Chitsulo chosapanga dzimbiri 316L |
| Ntchito zoyera kwambiri komanso zowononga kwambiri | Makina a polima a PVDF |
| Kulumikizana kosinthasintha, kutentha pang'ono | EPDM |
| Madzi okhuthala okhala ndi fluorine, kutentha kwambiri | PTFE/FEP |
| Zinthu zowononga kwambiri | Titaniyamu kapena SMO254 |
Mfundo Yofananiza Zinthu Zogawika
Machitidwe amakampani omwe alipo pano amatsatira njira yofananira zinthu zosiyanasiyana, podziwa kuti magawo osiyanasiyana a makina oziziritsira madzi ali ndi mikhalidwe yosiyana yogwirira ntchito komanso zofunikira pakugwira ntchito:
Mbali yoyamba (youma-yozizira mpaka CDU): Imaika patsogolo kukana kupanikizika ndi mayendedwe akutali. HDPE/PE100 ikugwiritsidwa ntchito kwambiri pamodzi ndi chitsulo chosapanga dzimbiri chifukwa cha ukadaulo wake wopepuka komanso wokhwima wowotcherera.
Mbali yachiwiri (CDU kupita ku rack): Imaika patsogolo ukhondo ndi kukhazikika kwa kutentha. Machitidwe a PROGEF PP-H ndi PVDF akugwiritsidwa ntchito kuti agwire ntchito popanda dzimbiri komanso kuti azitha kusalala mkati.
Rack manifold: Imaika patsogolo kuchedwa kwa moto ndi kugawa kolondola kwambiri. Ma PVDF manifolds awonetsa kugawa kofanana kwa kayendedwe ka madzi m'madoko onse otulukira.
Chizolowezi chogwiritsa ntchito ma polima chikulimbikitsidwa ndi chithandizo cha OCP chokulirapo cha zomangamanga zoziziritsira madzi zomwe zimagwirizana komanso zogulitsa zambiri kudzera mu njira zokhazikika komanso njira zovomerezeka zazinthu. Malangizo amakampani amazindikira ma polima angapo apamwamba ngati zinthu zoyenera kunyowa, zomwe zimathandiza kugwiritsa ntchito kwambiri ukadaulo wa ma polima ogwira ntchito kwambiri pakuziziritsa kwa malo osungira deta a m'badwo wotsatira.
Mapeto
Kusankha zinthu zoziziritsira madzi si njira yosavuta pakati pa zitsulo ndi njira zina. Mtundu wa zinthu zomwe zikukulirakulira—kuyambira chitsulo chosapanga dzimbiri (304, 316L) mpaka ma elastomer (EPDM, PTFE, FEP) mpaka ma polima opangidwa mwaluso (PVDF, HDPE, PP-H)—umapatsa mainjiniya njira zofananira ndi zofunikira zinazake zogwirira ntchito komanso momwe amagwirira ntchito.
Chofunika kwambiri ndikumvetsetsa kuti palibe chinthu chimodzi chomwe chili choyenera kugwiritsidwa ntchito pa ntchito zonse. Kuzindikira kwa OCP-Inspired kwa manifolds a PVDF kukuwonetsa kuvomereza kofunikira kwa makampani a polymer solutions, koma machitidwe achitsulo akadali ofunikira kwambiri m'malo omwe ali ndi mphamvu zambiri, kutentha kwambiri, komanso mankhwala amphamvu. Tsogolo likhoza kukhala m'njira zosakanikirana zomwe zimaphatikiza mphamvu za gulu lililonse la zinthu, zomwe zimagwiritsidwa ntchito malinga ndi zofunikira za gawo lililonse mkati mwa kapangidwe ka madzi ozizira.
Nthawi yotumizira: Ogasiti-21-2026