Njira yopangira chitoliro choyezera chitoliro

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1. Zinthu

1.1.Kusankhidwa kwa zipangizo kudzagwirizana ndi zofunikira za dziko lopanga chitoliro ndi zofunikira zomwe mwiniwake akufuna.

1.2.Akalowa mufakitale, oyenderawo amatsimikizira kaye chiphaso choyambirira chomwe wopanga adapereka komanso lipoti loyang'anira katundu wa wogulitsa kunja.Yang'anani ngati zizindikiro zomwe zili pazipangizozo ndi zathunthu komanso zikugwirizana ndi satifiketi yabwino.

1.3.Yang'ananinso zida zomwe zangogulidwa kumene, yang'anani mosamalitsa kapangidwe kake, kutalika, makulidwe a khoma, m'mimba mwake (m'mimba mwake wamkati) ndi mtundu wa zinthuzo molingana ndi zofunikira, ndikulemba nambala ya batch ndi nambala ya chitoliro cha zidazo.Zinthu zosayenerera siziloledwa kusungidwa ndi kukonzedwa.Mawonekedwe amkati ndi akunja a chitoliro chachitsulo adzakhala opanda ming'alu, mapindikidwe, makutu opindika, nkhanambo, delaminations ndi mizere tsitsi.Zolakwika izi zichotsedweratu.Kuchotsa kuya sikuyenera kupitirira kupatuka kolakwika kwa makulidwe a khoma, ndipo makulidwe enieni a khoma pamalo oyeretsera sikuyenera kukhala osachepera makulidwe ovomerezeka a khoma.Pakatikati ndi kunja kwa chitoliro chachitsulo, kukula kwachilema kovomerezeka sikudzapitirira zomwe zikugwirizana ndi zomwe zikugwirizana nazo, mwinamwake zidzakanidwa.Sikelo ya oxide pamkati ndi kunja kwa mapaipi achitsulo iyenera kuchotsedwa ndikuthandizidwa ndi anti-corrosion treatment.Chithandizo cha anti-corrosion sichidzakhudza kuyang'ana kowonekera ndipo chikhoza kuchotsedwa.

1.4.Zimango katundu
Zochita zamakina ziyenera kukwaniritsa miyezo motsatana, ndipo kapangidwe kake, mawonekedwe a geometric, mawonekedwe ndi makina amakina adzayang'aniridwa ndikuvomerezedwa.

1.5 Ntchito ya ndondomeko
1.5.1.Zitsulo mipope adzakhala pansi 100% akupanga nondestructive kuyezetsa mmodzimmodzi malinga SEP1915, ndi muyezo zitsanzo kwa akupanga kuyezetsa adzaperekedwa.Kuzama kwachilema kwa zitsanzo zokhazikika kudzakhala 5% ya makulidwe a khoma, ndipo kuchuluka kwake sikuyenera kupitirira 1.5mm.
1.5.2.Chitoliro chachitsulo chiyenera kuyesedwa ku flattening
1.5.3.Kukula kwenikweni kwambewu

Kukula kwambewu yeniyeni ya chitoliro chomalizidwa sikuyenera kukhala kokulirapo kuposa kalasi ya 4, ndipo kusiyana kwa kalasi ya chitoliro chachitsulo cha chiwerengero chofanana cha kutentha sikuyenera kupitirira kalasi ya 2. Kukula kwambewu kudzayesedwa malinga ndi ASTM E112.

2. Kudula ndi kusalemba kanthu

2.1.Pamaso blanking wa zovekera aloyi chitoliro, molondola zinthu mawerengedwe ayenera kuchitidwa choyamba.Malinga ndi mphamvu mawerengedwe zotsatira za zovekera chitoliro, kusanthula ndi kuganizira chikoka cha zinthu zambiri monga kupatulira ndi mapindikidwe wa zovekera chitoliro mu ndondomeko kupanga pa mbali yofunika ya zovekera chitoliro (monga arc akunja chigongono, makulidwe a tee. phewa, ndi zina zotero), ndikusankha zida zokhala ndi ndalama zokwanira, Ndipo ganizirani ngati chowonjezera chowonjezera kupsinjika pambuyo popanga chitoliro chikugwirizana ndi kupsinjika kwapaipi komanso komwe kumayendera payipi.Kulipiridwa kwa zinthu zamtundu wa radial ndi kubweza kwa zinthu zapamapewa panthawi yokakamiza kumawerengedwera pa tee yoponderezedwa yotentha.

2.2.Pakuti aloyi chitoliro zipangizo, gantry gulu anaona kudula makina ntchito ozizira kudula.Pazida zina, kudula kwa lawi nthawi zambiri kumapewedwa, koma kudula kwa bandeji kumagwiritsidwa ntchito kupewa zolakwika monga kuumitsa wosanjikiza kapena mng'alu womwe umabwera chifukwa chogwiritsa ntchito molakwika.

2.3.Malinga ndi mapangidwe apangidwe, pamene kudula ndi kubisala, m'mimba mwake, makulidwe a khoma, zinthu, nambala ya chitoliro, nambala ya batchi ya ng'anjo ndi chitoliro choyenerera opanda kanthu otaya chiwerengero cha zopangira ziyenera kulembedwa ndi kuziika, ndipo chizindikiritso chidzakhala mu mawonekedwe a otsika nkhawa zitsulo chisindikizo ndi utoto kupopera mbewu mankhwalawa.Ndipo lembani zomwe zili mu opareshoni pa kirediti kadi yotulutsa.

2.4.Pambuyo pochotsa chidutswa choyamba, wogwiritsa ntchitoyo azidziyesa yekha ndikuwuza woyang'anira wapadera wa malo oyesera kuti akawunikenso mwapadera.Pambuyo poyang'anitsitsa, kutsekedwa kwa zidutswa zina kudzachitidwa, ndipo chidutswa chilichonse chidzayesedwa ndikulembedwa.

3. Kumangirira kotentha (kukankha).

3.1.Kuwotcha kwapaipi (makamaka TEE) ndi njira yofunikira, ndipo chopandacho chikhoza kutenthedwa ndi ng'anjo yamafuta.Musanatenthe chopanda kanthu, choyamba yeretsani ngodya ya chip, mafuta, dzimbiri, mkuwa, aluminiyamu ndi zitsulo zina zotsika zosungunuka pamwamba pa chubu chopanda kanthu ndi zida monga nyundo ndi gudumu lopera.Onani ngati chizindikiritso chopanda kanthu chikukwaniritsa zofunikira zamapangidwe.
3.2.Yeretsani ma sundries muholo yotenthetsera ng'anjo, ndikuwona ngati dera la ng'anjo yotenthetsera, dera lamafuta, trolley ndi njira yoyezera kutentha ndi yabwino komanso ngati mafuta akukwanira.
3.3.Ikani chopanda kanthu mu ng'anjo yotenthetsera kuti muwothe.Gwiritsani ntchito njerwa za refractory kuti mulekanitse chogwirira ntchito pa nsanja ya ng'anjo mu ng'anjo.Kuwongolera mwamphamvu kutentha kwa 150 ℃ / ola malinga ndi zida zosiyanasiyana.Kutentha kwa 30-50 ℃ pamwamba pa AC3, kutchinjiriza kumakhala kopitilira ola limodzi.Pakuwotcha ndi kuteteza kutentha, chiwonetsero cha digito kapena thermometer ya infrared idzagwiritsidwa ntchito kuyang'anira ndikusintha nthawi iliyonse.

3.4.Pamene chosowekacho chikutenthedwa ndi kutentha kwapadera, chimatulutsidwa mung'anjo kuti chikanikizidwe.Kukanikizako kumatsirizidwa ndi makina osindikizira a matani 2500 ndi kufa kwa chitoliro.Pa kukanikiza, kutentha workpiece pa kukanikiza amayezedwa ndi infuraredi thermometer, ndi kutentha si zosakwana 850 ℃.Pamene workpiece sangathe kukwaniritsa zofunika pa nthawi imodzi ndipo kutentha ndi otsika kwambiri, workpiece amabwerera ku ng'anjo kuti reheat ndi kuteteza kutentha pamaso kukanikiza.
3.5.Kupanga kotentha kwa mankhwalawa kumaganizira bwino lamulo la chitsulo chotuluka mu thermoplastic deformation popanga zinthu zomalizidwa.Chikombole chopangidwa chimayesa kuchepetsa kukana kwa deformation komwe kumachitika chifukwa cha kutentha kwa workpiece, ndipo nkhungu zamatayala zoponderezedwa zili bwino.The amatha kuumba matayala amatsimikiziridwa nthawi zonse malinga ndi zofunikira za ISO9000 dongosolo khalidwe chitsimikizo, kuti kulamulira kuchuluka kwa mapindikidwe thermoplastic zinthu, kuti makulidwe enieni khoma mfundo iliyonse pa chitoliro woyenerera ndi wamkulu kuposa osachepera khoma makulidwe a. chitoliro cholumikizidwa chowongoka.
3.6.Kwa chigongono cham'mimba mwake, makina opangira ma frequency otenthetsera amatengedwa, ndipo makina owonjezera a tw1600 a Elbow amasankhidwa ngati zida zokankhira.Pokankhira, kutentha kwa kutentha kwa workpiece kumasinthidwa ndi kusintha mphamvu yamagetsi apakati pafupipafupi.Nthawi zambiri, kukankhira kumayendetsedwa pa 950-1020 ℃, ndipo kuthamanga kumayendetsedwa pa 30-100 mm / min.

4. Chithandizo cha kutentha

4.1.Kwa zida zomalizidwa zapaipi, kampani yathu imachita chithandizo cha kutentha molingana ndi dongosolo lamankhwala lotentha lomwe limafotokozedwa mumiyezo yofananira.Nthawi zambiri, kutentha mankhwala a zovekera yaing'ono chitoliro angathe kuchitidwa mu kukana ng'anjo, ndi kutentha mankhwala a lalikulu m'mimba mwake chitoliro zovekera kapena elbows angathe kuchitidwa mafuta mafuta kutentha mankhwala ng'anjo.
4.2.Ng'anjo ya ng'anjo ya ng'anjo yochizira kutentha idzakhala yoyera komanso yopanda mafuta, phulusa, dzimbiri ndi zitsulo zina zosiyana ndi zipangizo zothandizira.
4.3.Kutentha mankhwala azidzachitidwa mosamalitsa malinga ndi kutentha pamapindikira pakufunika ndi "kutentha mankhwala ndondomeko khadi", ndi kutentha kukwera ndi kugwa liwiro la aloyi zitsulo chitoliro mbali adzakhala lizilamulira kukhala zosakwana 200 ℃ / ola.
4.4.Chojambulira chodziwikiratu chimalemba kukwera ndi kutsika kwa kutentha nthawi iliyonse, ndipo imangosintha kutentha ndikusunga nthawi mu ng'anjo molingana ndi zomwe zidakonzedweratu.Panthawi yotenthetsera zida zopangira zitoliro, lawi lamoto lidzatsekedwa ndi khoma lotchingira moto kuti lawi lamoto lisapondereze mwachindunji pamwamba pa zida za chitoliro, kuti zitsimikizire kuti zida za chitoliro sizidzatenthedwa ndikuwotchedwa pakutentha.

4.5.Pambuyo mankhwala kutentha, metallographic kuyezetsa idzachitika kwa aloyi chitoliro zovekera mmodzimmodzi.Kukula kwenikweni kwambewu sikuyenera kukhala kokulirapo kuposa giredi 4, ndipo kusiyana kwa mipope yamtundu womwewo wa kutentha sikudutsa giredi 2.
4.6.Chitani kuuma mayeso pa kutentha ankachitira chitoliro zovekera kuonetsetsa kuti kuuma mtengo wa gawo lililonse la zovekera chitoliro si upambana osiyanasiyana chofunika ndi muyezo.
4.7.Pambuyo kutentha mankhwala a zovekera chitoliro, okusayidi sikelo pa zamkati ndi kunja pamwamba adzakhala kuchotsedwa ndi kuphulika mchenga mpaka zitsulo zonyezimira wa zinthu zooneka.Zikanda, maenje ndi zolakwika zina pazakuthupi ziyenera kupukutidwa bwino ndi zida monga gudumu lopera.Makulidwe am'deralo a zida zopukutidwa zitoliro sizikhala zochepa kuposa makulidwe a khoma lofunika ndi kapangidwe kake.
4.8.Lembani mbiri ya chithandizo cha kutentha molingana ndi nambala yoyenerera ya chitoliro ndi chizindikiritso, ndipo lembaninso chizindikiritso chosakwanira pamwamba pa chitoliro choyenera ndi khadi lotaya.

5. Groove processing

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5.1.The poyambira processing wa zovekera chitoliro ikuchitika ndi kudula makina.Kampani yathu ili ndi zida zopangira makina opitilira 20 monga ma lathes osiyanasiyana ndi mitu yamagetsi, yomwe imatha kukonza poyambira woboola pakati pa V kapena U-woboola pakati, poyambira mkati ndi polowera kunja kwamitundu yosiyanasiyana yapaipi yapakhoma malinga ndi zomwe kasitomala amafuna. .Kampaniyo imatha kukonza molingana ndi zojambulazo komanso zofunikira zaukadaulo zomwe makasitomala athu amapatsidwa kuti awonetsetse kuti zopangira zitoliro ndizosavuta kugwiritsa ntchito ndikuwotcherera powotcherera.
5.2.Pambuyo pomaliza polowera chitoliro, woyang'anira adzayang'ana ndikuvomereza kukula kwa chitoliro choyenerera molingana ndi zojambulazo, ndikukonzanso zinthuzo ndi miyeso ya geometric yosayenerera mpaka zinthuzo zikwaniritse miyeso yofananira.

6. Mayeso

6.1.Zoyikira mapaipi ziyenera kuyesedwa molingana ndi zofunikira zanthawi zonse musanachoke kufakitale.Malinga ndi ASME B31.1.Mayeso onse amayenera kumalizidwa ndi oyendera akatswiri omwe ali ndi ziyeneretso zofananira zozindikiridwa ndi State Bureau of technical supervision.
6.2.Kuyeza kwa maginito a maginito (MT) kudzachitika kunja kwa tee, chigongono ndi chochepetsera, kuyeza kwa makulidwe a ultrasonic ndi kuzindikira zolakwika kudzachitika mbali yakunja ya arc ya chigongono, phewa la tee ndi gawo lochepetsera, ndikuzindikira zolakwika za radiographic. kapena akupanga cholakwa kuzindikira adzachitidwa pa weld wa zovekedwa chitoliro.Tee wonyengedwa kapena chigongono adzayesedwa ndi akupanga kuyezetsa popanda kanthu pamaso Machining.
6.3.Kuzindikira kolakwika kwa tinthu tating'ono ta maginito kumayenera kuchitika mkati mwa 100mm ya poyambira pazipope zonse kuti zitsimikizire kuti palibe ming'alu ndi zolakwika zina chifukwa chodula.
6.4.Ubwino wapamtunda: mawonekedwe amkati ndi akunja a zopangira zitoliro sizikhala zopanda ming'alu, ming'alu yocheperako, phulusa, kumamatira mchenga, kupindika, kusowa kuwotcherera, khungu lawiri ndi zolakwika zina.Pamwamba pake pazikhala mosalala popanda zokanda zakuthwa.Kuzama kwa kukhumudwa sikuyenera kupitirira 1.5mm.Kukula kwakukulu kwa kukhumudwa sikuyenera kukhala kwakukulu kuposa 5% ya circumference ya chitoliro ndipo osati kuposa 40mm.Pamwamba pa weld pasakhale ming'alu, pores, craters ndi splashes, ndipo sipadzakhala pansi.Mbali yamkati ya tee iyenera kukhala yosalala kusintha.Zoyika zonse za mapaipi ziyenera kuyang'aniridwa ndi 100% mawonekedwe apamwamba.Ming'alu, ngodya zakuthwa, maenje ndi zolakwika zina pamwamba pa zoyikapo zitoliro zimapukutidwa ndi chopukusira, ndipo kuzindikira kolakwika kwa tinthu tating'ono ta maginito kudzachitika pamalo akupera mpaka zolakwikazo zitathetsedwa.makulidwe a zovekera chitoliro pambuyo kupukuta sayenera kukhala osachepera osachepera kapangidwe makulidwe.

6.5.Mayesero otsatirawa adzachitidwanso pakuyika mapaipi okhala ndi zofunikira zapadera za makasitomala:
6.5.1.Kuyesedwa kwa Hydrostatic
Zoyikira zonse za chitoliro zitha kuyesedwa ndi hydrostatic ndi dongosolo (kuthamanga kwa hydrostatic test ndi nthawi 1.5 ya kukakamiza kwa mapangidwe, ndipo nthawiyo sichitha kuchepera mphindi 10).Pansi pa zomwe zikalata za satifiketi yaubwino zilili zonse, zoyikapo kale za fakitale sizingayesedwe ndi hydrostatic.
6.5.2.Kukula kwenikweni kwambewu
Kukula kwenikweni kwa mbewu zopangira zitoliro zomalizidwa sikuyenera kukhala kokulirapo kuposa giredi 4, ndipo kusiyana kwa mipope yofananira ndi kutentha komweku sikudutsa kalasi 2. Kuyang'anira kukula kwambewu kudzachitika molingana ndi njira yofotokozedwa mu Yb / t5148-93 (kapena ASTM E112), ndipo nthawi yoyendera idzakhala kamodzi pa nambala iliyonse ya kutentha + gulu lililonse la kutentha.
6.5.3.Microstructure:
Wopangayo azichita kuyang'ana kwa microstructure ndikupereka zithunzi za microstructure molingana ndi zomwe GB / t13298-91 (kapena zofananira zapadziko lonse lapansi), ndipo nthawi zoyendera zizikhala pa kutentha nambala + kukula (m'mimba mwake × makulidwe a Khoma) + batch yochizira kutentha. kamodzi.

7. Kuyika ndi chizindikiritso

Pambuyo pokonza zitoliro, khoma lakunja lidzakutidwa ndi utoto wotsutsa (osachepera gawo limodzi la primer ndi pepala lomaliza).Utoto womaliza wa gawo lachitsulo cha kaboni uzikhala wotuwa ndipo utoto womaliza wa gawo la alloy uzikhala wofiira.Utoto uyenera kukhala wofanana popanda thovu, makwinya ndi peeling.The poyambira ayenera kuthandizidwa ndi wapadera antirust wothandizira.

Zoyikapo zitoliro zazing'ono zopukutira kapena zoyikapo zofunikira zimapakidwa m'matumba amatabwa, ndipo zoyikapo zitoliro zazikulu nthawi zambiri zimakhala zamaliseche.Mphuno zazitsulo zonse za chitoliro ziyenera kutetezedwa mwamphamvu ndi mphete za mphira (pulasitiki) kuti ziteteze zitoliro kuti zisawonongeke.Onetsetsani kuti zoperekedwa zomaliza sizikhala ndi zolakwika zilizonse monga ming'alu, zokopa, zokopa, zikopa ziwiri, zomata mchenga, interlayer, kuphatikiza slag ndi zina zotero.

Kuthamanga, kutentha, zakuthupi, m'mimba mwake ndi zina zazitsulo zopangira chitoliro ziyenera kulembedwa pa gawo lodziwikiratu la mankhwala opangira chitoliro.Chisindikizo chachitsulo chimagwiritsa ntchito chisindikizo chachitsulo chochepa.

8. Kupereka katundu

Mayendedwe oyenerera amasankhidwa kuti apereke zida zapaipi malinga ndi zosowa zenizeni.Nthawi zambiri, zida zapanyumba zimayendetsedwa ndi galimoto.Poyendetsa galimoto, pamafunika kumangirira mwamphamvu zitoliro ndi thupi la galimoto ndi tepi yofewa yamphamvu kwambiri.Panthawi yoyendetsa galimotoyo, sikuloledwa kugundana ndi kupukuta ndi zida zina zapaipi, ndikutenga miyeso yamvula ndi chinyezi.

HEBEI CANGRUN PIPELINE EQUIPMENT CO., LTD ndi katswiri wopanga zopangira zitoliro, ma flanges ndi mavavu.Kampani yathu ili ndi gulu lauinjiniya ndi ukadaulo wodziwa zambiri zaumisiri, ukadaulo wapamwamba kwambiri, kuzindikira zantchito zamphamvu komanso kuyankha mwachangu komanso kosavuta kwa ogwiritsa ntchito padziko lonse lapansi.Kampani yathu imalonjeza kupanga, kukonza zogula, kupanga, kuyang'anira ndi kuyesa, kulongedza, mayendedwe ndi ntchito molingana ndi zofunikira za ISO9001 kasamalidwe kabwino komanso katsimikizidwe kabwino.Pali mwambi wina wakale ku China wakuti: Ndizosangalatsa kukhala ndi mabwenzi ochokera kutali.
Takulandirani anzathu kudzayendera fakitale.


Nthawi yotumiza: May-06-2022