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    Ukwakhiwa Komugqa Wepayipi Kawoyela Ombozwe Nge-Spiral: Ukuqinisekisa Impilo Yesevisi Nokuthembeka

    Ukwakhiwa Komugqa Wepayipi Kawoyela Ombozwe Nge-Spiral: Ukuqinisekisa Impilo Yesevisi Nokuthembeka Isithombe Esifakiwe
    • Ukwakhiwa Komugqa Wepayipi Kawoyela Ombozwe Nge-Spiral: Ukuqinisekisa Impilo Yesevisi Nokuthembeka

    Incazelo emfushane:

    Ukwakhiwa kweimigqa yamapayipi kawoyela kuyinqubo ebalulekile neyinkimbinkimbi edinga amazinga aphezulu kakhulu obuchwepheshe bokushisela. Phakathi kwezindlela ezahlukene zokushisela ezisetshenziswayo, ukushisela kwe-spiral submerged arc (HSAW) kuvelele njengokukhetha kokuqala ngenxa yokusebenza kwayo okuphezulu kanye nempumelelo ekuqinisekiseni impilo yesevisi kanye nokuthembeka kwamapayipi kawoyela. Kule bhulogi, sizohlola ukubaluleka kwe-HSAW ekushiseleni kwamapayipi kawoyela futhi sihlole izinzuzo zayo kanye nenani elikhulu ekuhlangabezaneni nomhlaba.'Izidingo ezikhulayo zokuthuthwa kukawoyela.


    Imininingwane Yomkhiqizo

    Amathegi Omkhiqizo

    Funda nge-HSAW:

    Ukushisela i-arc engaphansi komhlaba okujikelezayoubuchwepheshe bokushisela obuthuthukisiwe obuhlanganisa izimiso zokushisela i-arc engaphansi komhlaba kanye nokwakheka kweshubhu elijikelezayo. Kuhilela ukusebenzisa inqubo yokushisela ezenzakalelayo ukudala i-spiral weld eqhubekayo ngokufaka ucingo oluqinile lokugcwalisa ku-arc embozwe yi-flux. Le ndlela iqinisekisa ukushisela okulinganayo nokusezingeni eliphezulu, okususa ingozi yeziphambeko ezivamile kwezinye izindlela zokushisela.

    izinhlelo zokusebenza.

    Impahla Yomshini

    ibanga lensimbi

    amandla amancane okukhiqiza
    I-Mpa

    Amandla okudonsa

    Ukwandiswa okuncane
    %

    Amandla amancane omthelela
    J

    Ubukhulu obucacisiwe
    mm

    Ubukhulu obucacisiwe
    mm

    Ubukhulu obucacisiwe
    mm

    ekushiseni kokuhlolwa kwe-
     

    16

    ＞16≤40

    ＜3

    ≥3≤40

    		 ≤40

    -20℃

    0℃

    20℃
    S235JRH

    235

    225

    360-510

    360-510

    24

    -

    -

    27
    S275J0H

    275

    265

    430-580

    410-560

    20

    -

    27

    -
    S275J2H

    27

    -

    -
    S355J0H

    365

    345

    510-680

    470-630

    20

    -

    27

    -
    S355J2H

    27

    -

    -
    S355K2H

    40

    -

    -

    Ukubaluleka kwe-HSAW ekwakhiweni kwamapayipi kawoyela:

    1. Amandla Nokuqina: Esinye sezimpawu eziyinhloko ze-HSAW yikhono layo lokwakha amalunga aqinile, aqinile futhi ahlanganisiwe. I-weld eqhubekayo ejikelezayo eyakhiwe yilobu buchwepheshe ithuthukisa ubuqotho besakhiwo futhi ibalulekile ekumelaneni nezingcindezi eziphakeme, amazinga okushisa aphezulu kanye nezici zemvelo ezibangela lokhu.ipayipi likawoyela imigqaubuso ngesikhathi sokuphila kwabo kwenkonzo.

    2. Ukuphila isikhathi eside nokuthembeka okuqinile: Imigqa yamapayipi kawoyela kulindeleke ukuthi isebenze kahle amashumi eminyaka, ithutha uwoyela ngaphandle kokuvuza noma ukwehluleka. I-HSAW idlala indima ebalulekile ekufezeni impilo yenkonzo ende ngokuqinisekisa ukusatshalaliswa ngokulinganayo kokushisa kokushisela, ukunciphisa ukugxila kokucindezeleka, nokuvimbela ukuqala kokuqhekeka nokusabalala - zonke izici ezifaka isandla ekuthembekeni okuphelele kwepayipi.

    3. Ukwakhiwa okuphumelelayo: I-HSAW iyakwazi ukushisela izingxenye ezinde zepayipi ngokuqhubekayo, ngakho-ke inekhono elikhulu ekwakhiweni kwepayipi. Le ndlela inciphisa isikhathi sokushisela, yandisa umkhiqizo, inciphisa kakhulu izindleko zokwakha, futhi ilungele ukuqedwa kwephrojekthi ngesikhathi.

    4. Ukunakekelwa nokulungiswa okuncishisiwe: Ngokuhlinzeka ngezinsimbi zokushisela ezisezingeni eliphezulu, ezingenamaphutha, i-HSAW inciphisa isidingo sokulungiswa kwesikhathi esizayo noma isikhathi sokungasebenzi esihlobene nokulungiswa. Amapayipi kawoyela akhiwe kusetshenziswa le ndlela awavamile ukuvuza noma ukwehluleka, okuthuthukisa ukuphepha nokwandisa ukusebenza kahle.

    5. Izinzuzo zemvelo: I-HSAW iqinisekisa ukukhiqizwa kwama-weld anembile anokunemba okuphezulu. Lokhu kunciphisa amathuba okugqwala kwamapayipi kanye nokuvuza kwamafutha okulandelayo, okuvikela imvelo ezinhlekeleleni ezingaba khona ezihlobene nokwehluleka kwamapayipi.

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    Ukwakheka Kwamakhemikhali

    Ibanga lensimbi

    Uhlobo lokususa i-oxidation a

    % ngobuningi, ubuningi

    Igama lensimbi

    Inombolo yensimbi

    C

    C

    Si

    Mn

    P

    S

    Nb

    S235JRH

    1.0039

    FF

    0,17

    —

    1,40

    0,040

    0,040

    0.009

    S275J0H

    1.0149

    FF

    0,20

    —

    1,50

    0,035

    0,035

    0,009

    S275J2H

    1.0138

    FF

    0,20

    —

    1,50

    0,030

    0,030

    —

    S355J0H

    1.0547

    FF

    0,22

    0,55

    1,60

    0,035

    0,035

    0,009

    S355J2H

    1.0576

    FF

    0,22

    0,55

    1,60

    0,030

    0,030

    —

    S355K2H

    1.0512

    FF

    0,22

    0,55

    1,60

    0,030

    0,030

    —

    a. Indlela yokususa i-oxidation ichazwa kanje:

    FF: Insimbi ebulewe ngokuphelele equkethe izinto zokubopha i-nitrogen ngamanani anele ukubopha i-nitrogen etholakalayo (isb. ubuncane be-0,020% iyonke i-Al noma i-0,015% i-Al encibilikayo).

    b. Inani eliphezulu le-nitrogen alisebenzi uma ukwakheka kwamakhemikhali kubonisa okuqukethwe okungenani kwe-Al okungu-0,020% kanye nesilinganiso esincane se-Al/N esingu-2:1, noma uma kukhona ezinye izinto ezibophayo ze-N ezanele. Izinto ezibophayo ze-N kufanele ziqoshwe kuDokhumenti Yokuhlola.

    Ekuphetheni:

    Ukwakhiwa kwamapayipi kawoyela kudinga amazinga aphezulu kakhulu okushisela ukuqinisekisa ukuthi isikhathi eside, ukuthembeka kanye nokuphepha. Ukushisela kwe-arc okungaphansi komhlaba oku-Spiral (HSAW) ubuchwepheshe obuqinisekisiwe obukhethwayo kulo mkhakha ngenxa yekhono layo lokwakha ama-weld aqinile, ahlala isikhathi eside futhi angenamaphutha. Njengoba inezinzuzo eziningi ezifaka phakathi ubuqotho besakhiwo obuthuthukisiwe, ukwakhiwa okuphumelelayo, ukugcinwa okuncishisiwe kanye nezinzuzo zemvelo, i-HSAW idlala indima ebalulekile ekuhlangabezaneni nezidingo zokuthutha uwoyela emhlabeni jikelele. Njengoba imboni kawoyela iqhubeka nokukhula, ukusetshenziswa kobuchwepheshe bokushisela obuthuthukisiwe njenge-HSAW kubalulekile ekugcineni ubuqotho nokuthembeka kwamapayipi kawoyela emhlabeni jikelele.

    Ipayipi le-SSAW

    Ngokufigqiwe

    I-Cangzhou Spiral Steel Pipe Group Co., Ltd. iyaziqhenya ngokuhlinzeka ngamapayipi omthungo ojikelezayo asezingeni eliphezulu ezinhlobonhlobo zezicelo. Sigxila ekukhiqizeni ngokunemba, ubuchwepheshe bokushisela obuthuthukisiwe kanye nezinto ezisezingeni eliphezulu ukuze sinikeze amakhasimende izixazululo ezithembekile nezisebenzayo zezidingo zawo zokufaka amapayipi. Sithembe ukuthi sizohlangabezana nazo zonke izidingo zakho futhi sizizwele mathupha ukuthembeka nokuqina kwamapayipi ethu omthungo ojikelezayo.

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