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    Iingenelo zePipe yeGesi eWelded Arc eNyibiliweyo emanzini

    Iingenelo zePipe yeGesi eWelded Arc ephindwe kabini efakwe emanzini Umfanekiso ocacileyo
    • Iingenelo zePipe yeGesi eWelded Arc eNyibiliweyo emanzini

    Inkcazo emfutshane:

    Wamkelekile kwiCangzhou Spiral Steel Pipe Group Co., Ltd., umenzi owaziwayo kunye nomthengisi weepayipi zentsimbi yekhabhoni ezidityaniswe nge-spiral ezikumgangatho ophezulu. Inkampani yethu iyazingca ngokusebenzisa itekhnoloji entsha yokudityanisa i-spiral submided arc eqinisekisa ukuveliswa kweepayipi ze-spiral seam ezikumgangatho ophezulu kwiintlobo ngeentlobo zezicelo.


    Iinkcukacha zeMveliso

    Iithegi zeMveliso

    Kwihlabathi lemibhobho, kukho iindlela ezahlukeneyo zokwakha kunye nezixhobo. Indlela edumileyo yokudibanisa imibhobho yi-double-end submerged arc welding (DSAW). Le ndlela isetyenziswa kakhulu kwimigca yegesi kunye namanzi, kwaye ngesizathu esivakalayo. Kule blog siza kuhlola iingenelo zokusebenzisai-arc engaphantsi kwamanzi edibeneyo kabiniumbhobho kwezi zicelo.

    Iimpawu zoomatshini zombhobho we-SSAW

    inqanaba lesinyithi

    amandla amancinci okuvelisa
    I-Mpa

    ubuncinci bokuqina koxinzelelo
    I-Mpa

    Ubuncinane bobude
    %

    B

    245

    415

    23

    X42

    290

    415

    23

    X46

    320

    435

    22

    X52

    360

    460

    21

    X56

    390

    490

    19

    X60

    415

    520

    18

    X65

    450

    535

    18

    X70

    485

    570

    17

    Ukwakheka kweekhemikhali kwimibhobho ye-SSAW

    inqanaba lesinyithi

    C

    Mn

    P

    S

    V+Nb+Ti
     

    Ubuninzi %

    Ubuninzi %

    Ubuninzi %

    Ubuninzi %

    Ubuninzi %

    B

    0.26

    1.2

    0.03

    0.03

    0.15

    X42

    0.26

    1.3

    0.03

    0.03

    0.15

    X46

    0.26

    1.4

    0.03

    0.03

    0.15

    X52

    0.26

    1.4

    0.03

    0.03

    0.15

    X56

    0.26

    1.4

    0.03

    0.03

    0.15

    X60

    0.26

    1.4

    0.03

    0.03

    0.15

    X65

    0.26

    1.45

    0.03

    0.03

    0.15

    X70

    0.26

    1.65

    0.03

    0.03

    0.15

    Ukunyamezelana kweJiyometri kwemibhobho ye-SSAW

    Ukunyamezelana kwejometri

    ububanzi obungaphandle

    Ubukhulu bodonga

    ukuthe tye

    ukungaguquguquki

    ubunzima

    Ukuphakama okuphezulu kwe-weld bead

    D

    T

    		              

    ≤1422mm

    ＞1422mm

    ＜15mm

    ≥15mm

    isiphelo sombhobho 1.5m

    ubude obuphelele

    umzimba wombhobho

    isiphelo sombhobho

    		  

    T≤13mm

    T ＞13mm

    ± 0.5%
    ≤4mm

    njengoko kuvunyelwene

    ± 10%

    ± 1.5mm

    3.2mm

    0.2% L

    0.020D

    0.015D

    '+10%
    -3.5%

    3.5mm

    4.8mm

    Uvavanyo lwe-Hydrostatic

    inkcazo yemveliso1

    Umbhobho kufuneka umelane novavanyo lwe-hydrostatic ngaphandle kokuvuza ngomthungo we-weld okanye umzimba wombhobho
    Iijoyinti akufuneki zivavanywe ngamanzi, ukuba nje iinxalenye zombhobho ezisetyenzisiweyo ekuphawuleni iijoyinti zivavanywe ngempumelelo ngamanzi ngaphambi kokuba kusebenze ukujoyina.

    Ukuwelda kwe-Arc efakwe kwi-Helical Submerged

    Okokuqala, ukuwelda i-arc engaphantsi kwamanzi kabini yindlela esebenzayo neyonga imali yokudibanisa imibhobho. Le nkqubo ibandakanya ukwenza i-weld ngokufaka umbhobho kwi-granular flux usebenzisa ii-arc ezimbini zokuwelda. Oku kudala i-weld eqinileyo nehlala ixesha elide enokumelana noxinzelelo oluphezulu kunye noxinzelelo, okwenza ukuba ilungele imigca yegesi kunye namanzi.

    Enye yezona nzuzo ziphambili zombhobho odibeneyo we-arc ongaphantsi kwamanzi kabini kukumelana kwawo nokugqwala. I-granular flux esetyenziswa kule nkqubo yokudibanisa idala umaleko okhuselayo phezu kombhobho, onceda ekuthinteleni ukugqwala nokwandisa ubomi bombhobho. Oku kubaluleke kakhulu kwiityhubhu yomgca wamanzi, njengoko kuqinisekisa ukuba amanzi aziswayo ahlala ecocekile kwaye engenangcoliseko.

    Ukongeza ekumelaneni nokugqwala, iipayipi ezifakwe i-arc ezifakwe kabini phantsi komhlaba zibonelela ngeempawu ezintle zoomatshini. Le ndlela ivelisa ii-welds ezifanayo kunye nombhobho oqinileyo nothembekileyo. Oku kubalulekile kwimibhobho yegesi yendalo njengoko iqinisekisa ukuthuthwa kwegesi yendalo ngokukhuselekileyo nangokufanelekileyo ngaphandle komngcipheko wokuvuza okanye ukusilela.

    Umbhobho we-SSAW

    Ukongeza, iipayipi ezifakwe i-arc ezifakwe emanzini kabini ziyakwazi ukumelana namaqondo obushushu agqithisileyo kunye neemeko zokusingqongileyo. Oku kuzenza zilungele ukusetyenziswa elunxwemeni naselunxwemeni ezinokuthi zichaphazeleke kwimozulu embi kunye neemeko zokusebenza. Kwimibhobho yamanzi, oku kuhlala ixesha elide kuqinisekisa ukuba iipayipi zinokuhambisa amanzi ngokufanelekileyo ngaphandle kokuphazamisa ukusebenza.

    Enye inzuzo yokusebenzisa umbhobho odibeneyo ofakwe i-arc engaphantsi komhlaba kabini kukuba umphezulu wawo uthambile kwaye muhle. Oku kuwenza ube lukhetho olunomtsalane lokufakelwa ngaphezulu nangaphantsi komhlaba, njengoko kulula ukuwuhlola nokuyigcina. Ukongeza, umphezulu othambileyo we-weld unciphisa ukungqubana kunye nokuhla koxinzelelo ngaphakathi kombhobho, okunceda ukuphucula ukusebenza kakuhle kweenkqubo zokuhambisa igesi namanzi.

    Ukuqukumbela, umbhobho we-arc welded ongaphantsi kwamanzi kabini lukhetho oluluncedo kakhuluumbhobho womgca wegesikunye neetyhubhu zomgca wamanzi. Inkqubo yayo yokuwelda esebenza kakuhle nengabizi kakhulu, kunye nokumelana nokugqwala, iimpawu ezintle zoomatshini, ukuqina kunye nobuhle, kwenza kube lolona khetho luphambili lokwakhiwa kwepayipi. Nokuba kuthuthwa igesi yendalo okanye amanzi, le payipi inika amandla kunye nokuthembeka okufunekayo ukuze isebenze ngokukhuselekileyo nangokufanelekileyo. Ngokucacileyo, ipayipi edibeneyo ye-arc enezingqimba ezimbini iyinto ebalulekileyo kwihlabathi lokwakhiwa kwepayipi.

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