Chitoliro Choyera

chitoliro chaukhondo(nthawi zambiri amatchulidwa ngatichubu chaukhondo) ndi chubu chosapanga dzimbiri chopangidwirautumiki waukhondo, kumene chitoliro chiyenera kukhalazoyeretsedwa, zosadetsa -ndi kuziwona-zochezeka. Muzochita, "ukhondo" amatanthauzidwa ndimkati-mawonekedwe apamtunda ndi machitidwe opangira: yosalala, yolakwika-ID yoyendetsedwa yomwe simatchera katundu, OD/WT yokhazikika ya clamp fit-mmwamba ndi orbital welding, ndi mapeto omwe amatha kukhazikika pansi.Zozungulira za CIP/SIPndi kuchapa mwachizolowezi popanda kukhala vuto loyeretsa.

Ambiriukhondo chitoliro zitsulo zosapanga dzimbirimalamulo ntchito304/304L kapena 316/316L, koma magwiridwe antchito nthawi zambiri amasankhidwa ndi zomwe zalembedwa kupitilira giredi:mlingo womaliza (monga BA pamene kuwala ndi kutsika pang'ono-kutsika kwambiri), kupirira kwa dimensional/ovality, njira zovomerezera pamwamba, ndi umboni wotulutsidwa(kutentha kwa kutentha + MTC) yomwe imalola kuti chubu chidutse poyang'aniridwa ndikupita kuyika.

ASTM A270 sanitary stainless steel chubing imapereka ukhondo wapamwamba kwambiri wamkati wamakina aukhondo m'mafakitale azakudya, zakumwa, ndi mankhwala, komwe ukhondo ndi kukana dzimbiri ndizofunikira. Chubuchi chimathandizira kuyeretsa kotsimikizika-mu-malo (CIP) ndi kuthirira-mu-m'machitidwe (SIP) m'malo, kuchepetsa chiopsezo chotenga kachilomboka m'ma TV ngati madzi oyeretsedwa kapena mkaka. Octal Pipe imapereka masheya m'makalasi omwe amafanana ndi austenitic, kuwonetsetsa kuti akutsatira miyezo yapadziko lonse lapansi yogwira ntchito modalirika.

Octal Pipe's ASTM A270 chubu laukhondo limatsatira mfundo za ASTM A270/A270M za machubu opanda msoko komanso owotcherera austenitic ndi ferritic/austenitic zosapanga dzimbiri, kuphatikiza zofunika zina zamtundu wamankhwala. Imagwirizana ndi ASME BPE ya zida zopangira bioprocessing ndi ISO 2037 ya chakudya-machubu osapanga dzimbiri, omwe amakhala ngati 304, 304L, 316, ndi 316L. Kuti mukhale olimba kwambiri m'malo a chloride, zosankha zaduplex monga 2205 zimakwaniritsa njira za ASTM A270 ndikuyesa kowonjezera.

BA Malizani Chitoliro Chosapanga chitsulo chosapanga dzimbiri

BA (Bright Annealed)machubu aukhondo amasankhidwa pamene ogula akufunayowala, yosalala pamwambazomwe zimachepetsa kuchuluka kwa zinthu-ndi kufupikitsa nthawi yoyeretsa-yomwe imapezeka pazakudya za mkaka, zakumwa, zodzoladzola, ndi zopangira mankhwala. Poyerekeza ndi-paipi yosapanga dzimbiri ya cholinga, BA sanitary chubing ndiyosavuta kupanga: pamene makulidwe amakoma akuchulukirachulukira, kusungayunifolomu khoma, kukhazikika kwa OD/ID kutsirizika, ndi mawonekedwe osasinthasintha amakhala ovuta, ndipo mtengo womaliza umakwera moyenerera. Pazifukwa izi, maoda a BA nthawi zambiri amawongoleredwa ndi malongosoledwe omveka bwino ogula: giredi (304L/316L), kukula, zofunika kumaliza, njira zovomerezera (mawonekedwe apamwamba / mawonekedwe), ndi paketi ya zikalata kuti amasulidwe.

Malire a Chemical mu ASTM A270 amatsimikizira kukana kutsekereza ndi kupsinjika kwa dzimbiri, pomwe zida zamakina zimatsimikizira kukhulupirika pansi pazovuta za ASME B31.3.

Kuyesa kwamakina kumaphatikizanso kulimba komanso kutulutsa mphamvu, ndi elongation yothandizira mawonekedwe pakuyika. Kwa 316L, mphamvu yocheperako imafika 515 MPa, zokolola pa 205 MPa, ndi elongation pa 35%, zimatsimikiziridwa kudzera mu njira za ASTM E8.

Machubu opanda msoko pansi pa ASTM A270 amayamba ndi kutulutsa kapena kuboola, ndikutsatiridwa ndi zojambula zozizira kuti zitheke. Mitundu yowotcherera imagwiritsa ntchito kuwotcherera kwa TIG popanda zodzaza, kozizira kwambiri-njira zogwiritsiridwa ntchito zomwe zimagwiritsidwa ntchito pochepetsa 35% ya khoma musanawotchere kuti zigwirizane ndi nyumbayo. Kuyika komaliza kowala mu hydrogen atmosphere kumaonetsetsa kuti pali okodi-pamalo opanda kanthu, kophatikizidwa ndi electropolishing ya Ra Less than kapena yofanana ndi 0.4 μm pamene zanenedwa.

Ma protocol apamwamba amaphatikiza kuyesa kwa hydrostatic kukakamiza kamangidwe ka 1.5 nthawi, eddy pano pazilema, ndi macheke a profilometer pa ASME B46.1. Kuwunika kwa borescope kumatsimikizira kusungunuka kwa weld, pomwe chizindikiritso cha zinthu zabwino (PMI) chimatsimikizira chemistry. Ziphaso zoyeserera za Mill pa EN 10204 3.1 zimaphatikizanso malo ochizira kutentha ndi malipoti a NDT.

Kulekerera kwa ASTM A270 kumachepetsa kusiyanasiyana kwa OD mpaka ± 0.13 mm kukula kwake pansi pa 1 mkati, kukulitsa mpaka ± 0.38 mm kwa machubu akulu, ndi makulidwe a khoma osachepera 12.5%. Kuwongoka kumakhala ndi kutalika kwa 0.5%, kumathandizira kuyika kotayira.

Stock imagogomezera welded komanso wopanda msoko mkati304L ndi 316L, yokhala ndi kutalika kwa mamita 6 kuti igwire bwino. Zolemera zimagwiritsa ntchito 0.02466 coefficient yosinthidwa +1.2% pa zenizeni-zolemetsa zomaliza malinga ndi sikelo yeniyeni. Makulidwe akhoza makonda; miyeso yosatchulidwa yomwe ilipo pakupempha.

Masaka ambiri ogula amafikazitsulo zosapanga dzimbiri zaukhondo (A270)chifukwa A270 ndi ntchito yodziwika bwino yamachubu aukhondo. Octal Pipe imathandizira machubu aukhondo ngati njira zonse zopanda msoko komanso zowotcherera, zotchulidwa ndi mulingo womaliza (kuphatikiza BA pakafunika) komanso kutsata zambiri.

Makalata oyendera (MTC 3.1/3.2, malipoti a NDT) amapezeka mukafunsidwa.

Poyang'anaukhondo mapaipi ogulitsa, njira yachangu kwambiri yothanirana ndi-chiwopsezo chapatsamba ndikuwunikazoyezekazinthu zomwe zimayendetsa kuyeretsedwa, kukwanira{0}}kuchuluka, ndi kutulutsa mwachangu-makamaka paukhondo chitoliro zitsulo zosapanga dzimbiriphukusi (ASTM A270 ukhondo chubu).

Kumaliza kwapamwamba (ID) & kuvomereza mwaukhondo

• Tanthauzirani chandamale cha ID chomwe chikufanana ndi njira yoyeretsera:Ra Wocheperapo kapena wofanana ndi 0.8 μmamavomerezedwa kawirikawiri kwa CIP/SIP chubu; zolimba zitha kukhazikitsidwaRa Wocheperapo kapena wofanana ndi 0.4 μm, ndi mapulojekiti omwe akufunika kuti atsimikizidwe-malo omwe angafune kupukuta mpaka0.2 μm Ra.
• Pangani kuvomereza kuwonekere: amafunamacheke a profelometer(zolemba za kuuma kwapamtunda) ndi kufotokoza zomwe zili zokanidwa pa ID/OD (mwachitsanzo, zokala, maenje, zopukutira, kusinthika)ndi zithunzi kapena malire malire-kotero kulandira kuyamikiridwa sikoyenera.
• Octal Pipe nthawi zambiri imagwirizanitsa PO ndi azoyezekakumasula:mbiri ya profilometer (Ra report) mwa maere, kuphatikiza chilankhulo chokanira chomveka cha ID / OD (maenje, kugoletsa mosalekeza, kusinthika) kotero kuti kuwunikira sikungoyang'ana.

Makulidwe & kuwongoka (zomwe zimapangitsa kuti kuwotcherera kwa orbital ndi zolumikizira zikhazikike)

• Tsekani zenera lakutsogolo: mtundu wamba waukhondo wa OD ndi0.5-12 mkati.
• Fufuzani kulolerana mu PO kotero kuti kupanga "kusawawululire" patsamba: kulolerana kwa OD kumatha kukhala kolimba ngati± 0.13 mm(kwa<1 in), scaling up to ± 0.38 mmkwa zazikulu zazikulu; makulidwe a khoma nthawi zambiri amayendetsedwa momwemoosati pansi mwadzina ndi oposa 12.5%; kuwongoka nthawi zambiri kumagwiridwa0.5% kutalikakuthandizira njira zodulira madzi komanso kuyanjanitsa kodziwikiratu.

Welded sanitary tube seam control - imapanga umboni wovomerezeka-kutengera

• Kwa chubu chaukhondo chowotcherera, msoko si chizindikiro cha inde/ayi. Ogula nthawi zambiri amafunikira njira yodziwikiratu: zodziwikiratukuwotcherera TIG(nthawi zambiri autogenous), ndi njira yoyendera yomwe imatsimikizira zamkati.
• Octal Pipe imathandizira nthawi zambirieddy kuwunika panopapakuwongolera kuwonongeka kwa chubu ndipo mutha kuwonjezeramacheke a borescopepautali woyimilira pamene mzere uli wokhudzika-ofunikira (kuteteza mochedwa-kukonzanso siteji pambuyo poika).

Mtengo Wapaipi Waukhondo - Zomwe Zimayendetsa Mtengo

Mtengo wa chitoliro chaukhondonthawi zambiri imayendetsedwa ndi gulu laling'ono lazinthu zenizeni:kalasi (304L vs 316L), kumaliza zofunika (BA ndi zoyembekezeka pamwamba), kukula (OD/WT), ndikutulutsa phukusi(mulingo wotsatira, kuchuluka kwa kuyezetsa, ndi umboni wina uliwonse-ndi wachitatu). M'mapulojekiti aukhondo, "chubu chotsika mtengo" nthawi zambiri chimakhala chokwera mtengo kwambiri-akawerengera, zokanidwa, kapena kuwotcherera. Kuyerekeza kwa mawu oyeretsa ndikuyanjanitsa mizere itatu kwa ogulitsa: zofananira zofananira (mwachitsanzo, A270 zikafunika), kufotokozera komaliza komweko, ndi umboni womwewo womwe umafunikira pakulandila.

Mikangano yoyeretsa (chubu chikuwoneka bwino, koma CIP/SIP sichitha)
Chobisika chiopsezo ndiID pamwamba: zing'onozing'ono-zing'onozing'ono, zopukutira, kusinthika, kapena maenje am'deralo omwe amakhala malo osungira zinthu-zokwera. Masamba amawona ngati nthawi yayitali ya CIP, kubwereza ma swabs, kapena zotsalira zosadziwika bwino pamalumikizidwe a spool.
Momwe Octal Pipe imawongolera:sitisiya "kupukutidwa / BA" ngati chizindikiro chosadziwika bwino. PO imagwirizana ndi achoyezera chomaliza chandamale(nthawi zambiri Ra-kutengera nthawi yomwe polojekiti ikufuna), ndipo kuvomereza kumalembedwa ngatilamulo loyendera(ndi zolakwika ziti zomwe zimakanidwa pa ID/OD). Zambiri zimatulutsidwa ndi umboni wokwanira / womaliza womangidwa kumbuyo komwe kutumizidwa kuti kuwunika kusakhale kukangana kokhazikika.

chubu choyera choperekedwa chakuda (chotengera kuipitsidwa)
Ngakhale machubu abwino amakanidwa ngati ID ifika ndi fumbi, zizindikiro za chinyontho, kapena zinyalala-makamaka pa WFI ndi malupu a biotech pomwe kuvomereza kuli kokhwima komanso mawindo a nthawi ndi aafupi.
Momwe Octal Pipe imawongolera:kutumiza kumatengedwa ngati gawo laukhondo:zisoti zomaliza, zomata zosindikizidwa, ndi zomangira zoyendetsedwa, ndi zolongedza zomwe zimalepheretsa kuipitsidwa kwa ID ndi kuwonongeka kwa pamwamba pakutsitsa / kutsitsa. Izi nthawi zambiri zimakhala kusiyana pakati pa machubu omwe amatha kulowa molunjika-ndi machubu omwe amakhala kwaokha kudikirira kuyeretsedwanso-.

Mipata yotsatizana (chubu ilipo, koma QA siyingathe kuimasula)
Kulephera kofala ndi zolemba zomwe sizingafanane mwachangu: kusowa kwa mapu a kutentha, ma ID osadziwika bwino, kapena masatifiketi omwe samayenderana ndi chizindikiro cha chubu. Zotsatira zake n'zapafupi-zofunika kukhala patsamba, ndipo pulojekitiyi itaya zenera lozimitsa.
Momwe Octal Pipe imawongolera:timatumiza ndi unyolo wowerengeka:cholembera chubu → mapu otentha/ochuluka → MTC (EN 10204 3.1), kotero kulandira kuyendera kumatha kuvomera kapena kudzipatula ndi mtolo popanda kungoganiza. Ngati ma projekiti akufunika kutsimikizika kwakukulu,3.2 / wachitatu-umboni wachipaniikhoza kukonzedwa, koma maziko ake nthawi zonse amakhala "mwachangu, kumasulidwa kotsimikizika."

Machubu a ASTM A270 amayenerera mizere yotengera mkaka potengera slurries, malupu amadzi amadzi-a-jakisoni (WFI), ndi ma biotech fermentation systems. Zake zosalala zimalepheretsa mabakiteriya pokonza chakudya, pomwe {{4}kuchuluka kwa mpweya kumalepheretsa kukhudzidwa-kutentha kwambiri kwa CIP. M'malo ovuta kwambiri, mitundu ya duplex imakulitsa moyo wa chloride-malo olemera monga madontho a madzi a m'nyanja amatulutsa mchere-ins.

Ukhondo chubu nthawi zambiri amatchulidwa kumene "vuto lenileni" zimachitikapa ntchito ndi kuyeretsa, osati pa kujambula. M'munsimu muli zochitika zapantchito zomwe Octal Pipe amawona pazaukhondo-zolembedwa monga momwe amalankhulira ogwira ntchito ndi magulu a QA patsamba:

• WFI / oyeretsedwa-malupu amadzi atazimitsa:Pakuyambiranso, chipikacho chimatsukidwa, kutenthedwa, ndi kuyesedwa. Zomwe zimalephera ntchito nthawi zambiri zimakhalamawonekedwe a pamwamba ndi kusamalira kuipitsidwa(Dothi la ID, kulowetsa chinyezi, zambiri zosakanikirana). Octal Pipe nthawi zambiri imakhala ndi ma sanitary chubu okhala ndi nsonga zotsekera komanso zambiri-ziphaso zojambulidwa kuti tsamba lizitha kufufuza manambala a kutentha msanga ndikupewanso-kuyeretsa kapena kuika kwaokha chifukwa chosowa umboni.
• Kuwiritsa / kuyika kwa biotech skid (kutsuka pafupipafupi + kupalasa njinga zotentha):chubu amawona kubwereza kotentha-kuzizira komanso kuyeretsa mankhwala. The workfront ululu ndikusinthika, kukhwimitsa, ndi chiwopsezo chokhudza kutentha kwa weld-zoni zomwe zakhudzidwangati zinthu / kumaliza sikufanana. Kutsika{{1}magiredi a carbon ndi kutsirizitsa komwe kumatanthauzidwa kumachepetsa kutumiza{2}kuyikapo zodabwitsa zoyeretsa ndikufupikitsa nthawi yotsimikizira.
• Kulumikizana kwakukulu-kwa chloride-ins (brine/Caustic-kuyandikira kuyeretsa):vuto si "dzimbiri wamba" komakubowola m'ming'alu, zingwe, ndi -miyendo yakufapambuyo powonekera mobwerezabwereza kunyowa-kuuma. M'maphukusiwa, kusankha zinthu (nthawi zambiri kusuntha kuchokera ku 304L kupita ku 316L kapena kuwirikiza kawiri) kumasankhidwa ndi chemistry yosambitsa komanso nthawi yotsika, osati zolemba zamabuku.

Octal Pipe imathandiziraASTM A270 chubu chaukhondokupereka ngati andondomeko-kutulutsidwa koyendetsedwa, yomangidwa mozungulira poyang'ana malo omwe amasankha ngati machubu adutsa kuvomerezedwa mwaukhondondiimayika bwino panthawi yotseka mawindo. Kumbali yoperekera, zoyambira zathu zamachubu osapanga dzimbiri ndi~ 8,000 t/y opanda msokondi~10,000 t/y welded, ndi zenera la kukula kothandizaΦ6–Φ630 mm (WT 1–35 mm)kwa seamless ndiΦ19–Φ2620 mm (WT 1–35 mm)za welded-kuti phukusi limodzi lizitha kuphimba machubu, ma manifolds, ndi kupanga spool zazikulu za OD popanda kugawa mavenda.

Lumikizanani tsopano

FAQ

 

 

FAQ 1: ASTM A270 sanitary chubing vs ASME BPE - nditchule iti?

Chithunzi cha ASTMA270ndiye zoyambira zodziwika bwino zazitsulo zosapanga dzimbiri zaukhondo machubumuzakudya/chakumwa ndi ntchito zaukhondo.ASME BPEnthawi zambiri amasankhidwa kuti azigwiritsidwa ntchito pazamankhwala/zachilengedwe pomwe ziyembekezo zolimba za pamwamba/zoyeretsa (nthawi zambiri zimafunidwa ndi pulojekitiyi).

FAQ 2: Kodi kumaliza kwa BA kumatanthauza chiyani pa chubu chaukhondo (BA yowala annealed)?

BA (Bright Annealed)chubu amamangika m'mlengalenga wowongolera/wocheperako kuti apange malo owala, okosidi-osavutikira kukhala aukhondo komanso kuyang'anitsitsa. Nthawi zambiri zimatchulidwa ngati mawonekedwe ndi kuyeretsa ndikofunikira, koma PO imafunikirabe zofunikira zoyezera pamwamba ngati kutsimikizira kuyeretsa kuli kokhwima.

FAQ 3: Kodi Ra iyenera kufotokozedwa pa ukhondo wa chitoliro chachitsulo chosapanga dzimbiri, ndipo Ra amayezedwa bwanji?

Cholinga chomaliza chaukhondo nthawi zambiri chimanenedwa ngatiRa Wocheperapo kapena wofanana ndi 0.8 μm, yokhala ndi mizere yolimba yaukhondo yomwe imagwiritsidwa ntchito kwambiriRa pafupifupi 0.4 μm(kapena kutsika pazofunikira zamagetsi). Ra kawirikawiri imatsimikiziridwa ndi aprofilemeter, ndipo zina zimafuna kuwerengedwa90 digiri ku kupukuta / fanizokwa kusasinthasintha.

FAQ 4: Kodi ndi chiyani chomwe chimayendetsa mtengo wapaipi yaukhondo (ndipo kodi ogulitsa mapaipi a ukhondo amatchula bwanji moyenera)?

Mtengo wa chitoliro chaukhondoimayendetsedwa makamaka ndikalasi (304/304L vs 316/316L), ndikumaliza zofunika(BA vs mechanical polished vs electropolished/Ra target), ndikumasula kuchuluka(kuyang'anira / kufufuza / kuyika zoyera). Pamalo a chloride-poyera kapena kuyeretsa movutikira, 316/316L nthawi zambiri imakonda, zomwe zimakhudzanso mtengo.

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