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    Izinto eziluncedo zokusebenzisa iSpiral Submerged Arc Welded Steel Pipe kwimibhobho yamanzi angaphantsi komhlaba

    Izinto eziluncedo zokusebenzisa iSpiral Submerged Arc Welded Steel Pipes for Underground Water Pipelines Featured
    • Izinto eziluncedo zokusebenzisa iSpiral Submerged Arc Welded Steel Pipe kwimibhobho yamanzi angaphantsi komhlaba

    Inkcazelo emfutshane:

    Xa ubeka imigca yamanzi angaphantsi komhlaba, kubalulekile ukukhetha uhlobo oluchanekileyo lombhobho ukuqinisekisa ukuhlala kunye nokuphila ixesha elide.Ukhetho oludumileyo lwemigca yamanzi angaphantsi komhlaba ngumbhobho odityanisiweyo ojikelezayo, owaziwa ngokuba ngumbhobho wentsimbi we-SSAW.


    Iinkcukacha zeMveliso

    Iithegi zeMveliso

     Umbhobho wentsimbi we-SSAWluhlobo lombhobho odityanisiweyo we-arc odityanisiweyo osetyenziswa kwiintlobo ngeentlobo zezicelo, kubandakanywa imigca yamanzi aphantsi komhlaba.Inkqubo yayo ekhethekileyo ye-spiral welding ivelisa imibhobho yobubanzi obukhulu kunye nobukhulu bodonga olungaguqukiyo, iyenza ilungele ukuthuthwa kwamanzi angaphantsi komhlaba.

    IPropati yoomatshini

    ibakala lentsimbi

    ubuncinci amandla esivuno
    Mpa

    Tensile strength

    Ubuncinci bobude
    %

    Ubuncinci bempembelelo yamandla
    J

    Ubukhulu obucacisiweyo
    mm

    Ubukhulu obucacisiweyo
    mm

    Ubukhulu obucacisiweyo
    mm

    kuvavanyo lobushushu be
     

    ＜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

    -

    -

    Enye yeenzuzo eziphambili zokusebenzisa i-spiral submerged arc welded steel pipe kwimigca yamanzi aphantsi komhlaba ngamandla ayo aphezulu kunye nokuqina.Inkqubo ye-spiral welding idala umbhobho oqinileyo nothembekileyo onokumelana noxinzelelo kunye nobunzima bokungcwatywa phantsi komhlaba.La mandla abalulekile ekuthinteleni ukuvuza kunye nokuqinisekisa ukuthembeka kwexesha elide lemibhobho yamanzi.

    Ukongezelela, umbhobho wensimbi we-SSAW uyamelana nokubola, okwenza kube lukhetho oluhle kakhulu kwizicelo eziphantsi komhlaba apho imibhobho ibonakaliswe kumswakama kunye nezinye izinto zokusingqongileyo.Oku kuxhathisa i-corrosion kunceda ukwandisa ubomi bemibhobho yakho kunye nokunciphisa imfuno yokugcinwa rhoqo kunye nokulungiswa.

    Umbhobho woMda waManzi angaphantsi komhlaba

    Olunye uncedo lokusebenzisa i-spiral submerged arc welded steel pipe kwimigca yamanzi aphantsi komhlaba kukuguquguquka kwawo kunye nokuguquguquka.Inkqubo ye-welding ye-spiral inokuvelisa imibhobho yobubanzi obuhlukeneyo, iyenze ifaneleke kwizicelo ezahlukeneyo zemibhobho yamanzi.Ukongezelela, ukuguquguquka kwepayipi yensimbi ye-SSAW kwenza kube lula ukuyifaka kunye nokusebenza, ngokukodwa kwiindawo ezinobunzima bomhlaba okanye imiqobo.

     

    Ukuqulunqwa kwemichiza

    Ibakala Steel

    Uhlobo lwe-de-oxidation a

    % ngobunzima, ubukhulu

    Igama lentsimbi

    Inombolo yentsimbi

    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 ye-deoxidation yonyulwa ngolu hlobo lulandelayo:

    FF: Intsimbi ebulewe ngokupheleleyo equlethe izinto ezibophelelayo zenitrogen ngokwezixa ezaneleyo zokubopha initrogen ekhoyo (umz. min. 0,020 % iyonke iAl okanye i-0,015 % enyibilikayo iAl).

    b.Ixabiso eliphezulu le-nitrogen alisebenzi ukuba ukubunjwa kweekhemikhali kubonisa ubuncinane be-Al umxholo we-0,020 % kunye nomlinganiselo we-Al/N ubuncinane we-2: 1, okanye ukuba kukho ezinye izinto ezaneleyo ze-N-binding.Izinto ezibophelelayo ze-N ziya kubhalwa kuXwebhu loHlolo.

    Ukongeza kumandla, ukuqina, kunye nokuguquguquka, i-spiral submerged arc welded steel pipe inexabiso elisebenzayo xa kuthelekiswa nezinye iintlobo zombhobho.Inkqubo yokudibanisa i-spiral inciphisa iindleko zemveliso, iyenze ibe yindlela yoqoqosho ngakumbi kwiiprojekthi ezinkulu zemibhobho yamanzi.Ukuqina kwexesha elide kunye neemfuno zokugcinwa okuphantsi kombhobho wensimbi we-SSAW nazo zinegalelo ekugcinweni kweendleko ngokubanzi kubomi bomgca wamanzi.

    Umbhobho we-SSAW

    Lilonke, kukho iingenelo ezininzi zokusebenzisa umbhobho wentsimbi odityanisiweyo we-arc odityanisiweyo kwimigca yamanzi aphantsi komhlaba, kubandakanywa ukomelela okuphezulu, ukuqina, ukumelana nokuhlwa, ukuguquguquka, kunye nokusebenza kakuhle kweendleko.Ezi mpawu zenza ukuba ibe yindlela ethembekileyo nesebenzayo yothutho lwamanzi aphantsi komhlaba, nokuba yeyamaziko kamasipala, izicelo zefektri, okanye iinjongo zolimo.

    Isishwankathelo, xa kuziwa ekukhetheni umbhobho ongcono kakhulukwimizila yamanzi angaphantsi komhlaba, i-spiral submerged arc welded steel pipe lolona khetho lungcono.Ulwakhiwo lwayo lwe-spiral-welded lunika amandla, ukuqina kunye nokumelana nokubola okufunekayo ekusebenzeni kwexesha elide, ngelixa ukuguquguquka kwayo kunye nokusebenza kakuhle kweendleko kuyenza ibe yindlela enomtsalane kwiiprojekthi zemibhobho yamanzi yazo zonke iisayizi.Ngokukhetha i-spiral submerged arc welded steel pipe, unokuqinisekisa ukuthembeka kunye nobude bemizila yakho yamanzi angaphantsi komhlaba, ikunika uxolo lwengqondo kunye nokuzithemba kwinkqubo yakho yamanzi.

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