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    Izinzuzo Zokusebenzisa I-Spiral Submerged Arc Welded Steel Pipes For Underground Water pipelines

    Izinzuzo Zokusebenzisa Amapayipi Ensimbi Afakwe I-Spiral Submerged Arc Welded For Underground Water Pipelines Isithombe Esifakiwe
    • Izinzuzo Zokusebenzisa I-Spiral Submerged Arc Welded Steel Pipes For Underground Water pipelines

    Incazelo emfushane:

    Uma ubeka imigqa yamanzi angaphansi komhlaba, kubalulekile ukukhetha uhlobo lwepayipi olulungile ukuze uqinisekise ukuqina nokuphila isikhathi eside.Inketho ethandwayo yemigqa yamanzi angaphansi komhlaba ipayipi elishiselwe elivunguzayo, elaziwa nangokuthi ipayipi lensimbi le-SSAW.


    Imininingwane Yomkhiqizo

    Omaka bomkhiqizo

     Ipayipi lensimbi le-SSAWiwuhlobo lwepayipi elishiselwe i-arc elijikijelwe emanzini elisontekile elivame ukusetshenziswa ezinhlotsheni ezihlukahlukene, okuhlanganisa imigqa yamanzi angaphansi komhlaba.Inqubo yayo eyingqayizivele yokushisela i-spiral ikhiqiza amapayipi anobubanzi obukhulu anogqinsi olungaguquki odongeni, okuyenza ibe ilungele ukuthuthwa kwamanzi angaphansi komhlaba.

    Impahla Mechanical

    izinga lensimbi

    amandla amancane esivuno
    Mpa

    Amandla aqinile

    Ubude obuncane
    %

    Amandla omthelela amancane
    J

    Ugqinsi olucacisiwe
    mm

    Ugqinsi olucacisiwe
    mm

    Ugqinsi olucacisiwe
    mm

    at test lokushisa
     

    ＜16

    ＞16≤40

    ＜3

    ≥3≤40

    		 ≤40

    -20 ℃

    0℃

    20℃
    I-S235JRH

    235

    225

    360-510

    360-510

    24

    -

    -

    27
    I-S275J0H

    275

    265

    430-580

    410-560

    20

    -

    27

    -
    I-S275J2H

    27

    -

    -
    I-S355J0H

    365

    345

    510-680

    470-630

    20

    -

    27

    -
    I-S355J2H

    27

    -

    -
    I-S355K2H

    40

    -

    -

    Enye yezinzuzo eziyinhloko zokusebenzisa ipayipi lensimbi eli-spiral elingaphansi kwe-arc elishiselwe emigqeni yamanzi angaphansi komhlaba amandla alo aphezulu kanye nokuqina.Inqubo yokushisela okuvunguzayo yakha ipayipi eliqinile nelithembekile elikwazi ukumelana nokucindezela nesisindo sokungcwatshwa ngaphansi komhlaba.Lawa mandla abalulekile ekuvimbeleni ukuvuza kanye nokuqinisekisa ubuqotho besikhathi eside bamapayipi amanzi.

    Ukwengeza, ipayipi lensimbi le-SSAW liyamelana nokugqwala, okwenza kube ukukhetha okuhle kakhulu kwezicelo ezingaphansi komhlaba lapho amapayipi echayeke kumswakama nezinye izici zemvelo.Lokhu kumelana nokugqwala kusiza ukunweba impilo yamapayipi akho futhi kunciphisa isidingo sokunakekelwa njalo nokulungiswa.

    Ipayipi Lomugqa Wamanzi Angaphansi Komhlaba

    Enye inzuzo yokusebenzisa ipayipi lensimbi eli-spiral submerged arc welded emigqeni yamanzi angaphansi ukuguquguquka nokuvumelana nezimo.Inqubo yokushisela okuvunguzayo ingakhiqiza amapayipi anobubanzi obuhlukene, okwenza ifaneleke ezinhlobonhlobo zezicelo zamapayipi amanzi.Ukwengeza, ukuguquguquka kwepayipi lensimbi le-SSAW kwenza kube lula ukulifaka nokusebenza, ikakhulukazi ezindaweni ezinezindawo eziyinselele noma izithiyo.

     

    Ukwakheka Kwamakhemikhali

    Ibanga lensimbi

    Uhlobo lwe-de-oxidation a

    % ngesisindo, esiphezulu

    Igama lensimbi

    Inombolo yensimbi

    C

    C

    Si

    Mn

    P

    S

    Nb

    I-S235JRH

    1.0039

    FF

    0,17

    -

    1,40

    0,040

    0,040

    0.009

    I-S275J0H

    1.0149

    FF

    0,20

    -

    1,50

    0,035

    0,035

    0,009

    I-S275J2H

    1.0138

    FF

    0,20

    -

    1,50

    0,030

    0,030

    -

    I-S355J0H

    1.0547

    FF

    0,22

    0,55

    1,60

    0,035

    0,035

    0,009

    I-S355J2H

    1.0576

    FF

    0,22

    0,55

    1,60

    0,030

    0,030

    -

    I-S355K2H

    1.0512

    FF

    0,22

    0,55

    1,60

    0,030

    0,030

    -

    a.Indlela ye-deoxidation ikhethwe kanje:

    FF: Insimbi ebulawe ngokuphelele equkethe izakhi zokubopha i-nitrogen ngamanani anele ukuhlanganisa i-nitrogen etholakalayo (isb. min. 0,020 % isiyonke i-Al noma i-0,015 % e-soluble Al).

    b.Inani eliphakeme kakhulu le-nitrogen alisebenzi uma ukwakheka kwamakhemikhali kubonisa inani elincane eliphelele lokuqukethwe kwe-Al elingu-0,020 % elinesilinganiso esincane se-Al/N esingu-2:1, noma uma kukhona ezinye izakhi ezanele zokubopha i-N.Izinto ezibophezela i-N zizorekhodwa kuMqulu Wokuhlola.

    Ngaphezu kwamandla, ukuqina, kanye nokuguquguquka, ipayipi lensimbi elishiselwe i-arc eli-spiral libiza izindleko uma liqhathaniswa nezinye izinhlobo zamapayipi.Inqubo yokushisela i-spiral inciphisa izindleko zokukhiqiza, ikwenze kube yindlela eyongayo kumaphrojekthi amakhulu amapayipi amanzi.Ukuqina kwesikhathi eside kanye nezidingo zokunakekelwa okuphansi kwepayipi lensimbi le-SSAW nakho kunomthelela ekongeni kwezindleko phakathi nokuphila kolayini wamanzi.

    Ipayipi le-SSAW

    Sekukonke, kunezinzuzo eziningi zokusebenzisa ipayipi lensimbi eli-spiral elingaphansi kwe-arc elishiselwe imigqa yamanzi angaphansi komhlaba, okuhlanganisa amandla aphezulu, ukuqina, ukumelana nokugqwala, ukuguquguquka, kanye nokusebenza kahle kwezindleko.Lezi zimfanelo zikwenza kube inketho ethembekile nesebenzayo yokuthutha emanzini angaphansi komhlaba, kungaba ngengqalasizinda kamasipala, izicelo zezimboni, noma izinjongo zezolimo.

    Kafushane, uma kuziwa ekukhetheni ipayipi engcono kakhuluolayini bamanzi angaphansi komhlaba, ipayipi yensimbi ehlanganisiwe ye-arc ehlanganisiwe iyisinqumo esingcono kakhulu.Ukwakhiwa kwayo okunama-spiral-welded kunikeza amandla, ukuqina kanye nokumelana nokugqwala okudingekayo ekusebenzeni kwesikhathi eside, kuyilapho ukuguquguquka kwayo kanye nokusebenza kahle kwezindleko kuyenza ibe inketho ekhangayo kumaphrojekthi wamapayipi amanzi abo bonke osayizi.Ngokukhetha i-spiral submerged arc welded steel pipe, ungaqinisekisa ukwethembeka nokuphila isikhathi eside kwemigqa yakho yamanzi angaphansi komhlaba, ikunikeza ukuthula kwengqondo nokuzethemba ohlelweni lwakho lwamanzi.

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