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    Mabhenefiti eMapaipi eGasi Akabatanidzwa neArc Welded Gas Line Aviri Akanyudzwa Mumvura

    Mabhenefiti ePaipi Yepeturu Yakanyudzwa Mumvura Yakapetwa Kaviri Mufananidzo Unoratidzwa
    • Mabhenefiti eMapaipi eGasi Akabatanidzwa neArc Welded Gas Line Aviri Akanyudzwa Mumvura

    Tsananguro pfupi:

    Tinokugamuchirai kuCangzhou Spiral Steel Pipe Group Co., Ltd., kambani inozivikanwa mugadziri uye mutengesi wemapombi esimbi emhando yepamusoro akasungirirwa nesimbi yakarukwa. Kambani yedu inodada nekushandisa tekinoroji itsva yekubatanidza simbi yakanyungudutswa nesimbi inotenderera inovimbisa kugadzirwa kwemapombi esimbi akarukwa nesimbi yepamusoro anoshandiswa mumhando dzakasiyana siyana.


    Ruzivo rweChigadzirwa

    Matagi eChigadzirwa

    Munyika yepombi, kune nzira dzakasiyana-siyana dzekuvaka nezvinhu. Nzira inozivikanwa yekubatanidza mapaipi ndeyekusanganisa arc welding ine mativi maviri (DSAW). Iyi nzira inowanzoshandiswa pamigero yegesi nemvura, uye nechikonzero chakanaka. Mublog rino tichaongorora zvakanakira kushandisaakasungirirwa kaviri pasi pemvurapombi muzvishandiso izvi.

    Hunhu hweMichina yepombi yeSSAW

    giredhi resimbi

    simba shoma regoho
    Mpa

    Simba rekusimba zvishoma
    Mpa

    Kureba Kushoma
    %

    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

    Kuumbwa kwemakemikari emapombi eSSAW

    giredhi resimbi

    C

    Mn

    P

    S

    V+Nb+Ti
     

    % Yakanyanya

    % Yakanyanya

    % Yakanyanya

    % Yakanyanya

    % Yakanyanya

    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

    Kushivirira kweGeometric kwemapombi eSSAW

    Kushivirira kwejiyometri

    dhayamita yekunze

    Ukobvu hwemadziro

    kutwasuka

    kusakwana-kutenderera

    uremu

    Kureba kwebead re weld kwakanyanya

    D

    T

    		              

    ≤1422mm

    ＞1422mm

    15mm

    ≥15mm

    pombi magumo 1.5m

    kureba kwakazara

    muviri wepombi

    mugumo wepombi

    		  

    T≤13mm

    T ＞13mm

    ± 0.5%
    ≤4mm

    sezvakabvumiranwa

    ±10%

    ±1.5mm

    3.2mm

    0.2% L

    0.020D

    0.015D

    '+10%
    -3.5%

    3.5mm

    4.8mm

    Kuedzwa kweHydrostatic

    tsananguro yechigadzirwa1

    Pombi inofanira kumira bvunzo ye hydrostatic pasina kubuda nemusono we weld kana muviri wepombi.
    Majoini haafanirwe kuongororwa ne hydrostatic, chero bedzi zvikamu zvepaipi zvinoshandiswa pakuisa chiratidzo pajoini zvakaedzwa ne hydrostatic zvisati zvaitika.

    Kushongedza Arc Yakanyudzwa neHelical

    Chekutanga, kupinza arc pasi pemvura kaviri inzira inoshanda uye isingadhuri yekubatanidza mapaipi. Maitiro acho anosanganisira kugadzira weld nekunyika pombi mu granular flux uchishandisa ma welding arc maviri. Izvi zvinogadzira weld yakasimba uye inogara kwenguva refu inogona kutsungirira kumanikidzwa kwakanyanya uye kumanikidzwa, zvichiita kuti ive yakakodzera kune gasi nemvura.

    Chimwe chezvakanakira zvikuru zvepaipi yakasungirirwa ine arc yakanyudzwa kaviri pasi pemvura ndechekuti inodzivirira ngura. Kuyerera kwegranular kunoshandiswa mukuita uku kwewelding kunogadzira jira rekudzivirira pamusoro peweld, zvichibatsira kudzivirira ngura uye kuwedzera hupenyu hwepaipi. Izvi zvakakosha zvikuru kunepombi yemvura, sezvo zvichiita kuti mvura inounzwa irambe yakachena uye isina kusvibiswa.

    Pamusoro pekudzivirira ngura, mapaipi akasungirirwa arc arc ane hunhu hwakanaka hwemakanika. Nzira iyi inogadzira ma weld akafanana uye pombi yakasimba uye yakavimbika. Izvi zvakakosha pamapaipi egasi rechisikigo sezvo zvichiita kuti gasi rechisikigo ritakurwe zvakachengeteka uye zvinobudirira pasina njodzi yekudonha kana kukundikana.

    Pombi yeSSAW

    Pamusoro pezvo, mapaipi akasungirirwa arc arc maviri anokwanisa kutsungirira tembiricha yakanyanya uye mamiriro ekunze. Izvi zvinoita kuti akwanise kushandiswa mumahombekombe uye mugungwa izvo zvinogona kunge zvichisangana nemamiriro ekunze akaoma uye mamiriro ekushanda. Pamapombi emvura, kugara kwenguva refu uku kunoita kuti mapaipi akwanise kufambisa mvura zvakanaka pasina kukanganisa mashandiro.

    Imwe mukana wekushandisa pombi dzakasungirirwa nearc welded dzakanyudzwa kaviri ndeyekuti pamusoro payo pakanaka uye pakanaka. Izvi zvinoita kuti ive sarudzo inoyevedza yekuisa pamusoro nepasi pevhu, sezvo zviri nyore kuongorora nekugadzirisa. Pamusoro pezvo, pamusoro payo pakadzikama panoderedza kukweshana nekuderera kwekumanikidzwa mukati mepombi, zvichibatsira kuvandudza kushanda zvakanaka kwemasisitimu ekupa gasi nemvura.

    Mukupedzisa, pombi dzakasungirirwa nearc dzakanyungudutswa kaviri isarudzo inobatsira zvikuru kunepombi yegesiuye mapaipi emvura. Maitiro ayo ekunamira anoshanda uye asingadhuri, pamwe chete nekudzivirira ngura, hunhu hwakanaka hwemakanika, kugara kwenguva refu uye runako, zvinoita kuti ive sarudzo yekutanga pakuvaka mapaipi. Ingave iri kutakura gasi rechisikigo kana mvura, mapaipi aya anopa simba uye kuvimbika kunodiwa kuti ashande zvakachengeteka uye zvinobudirira. Zviri pachena kuti mapaipi akanyungudutswa esimbi ane mativi maviri chinhu chakakosha munyika yekuvaka mapaipi.

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