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    Kuvunguza ipayipi lensimbi elinamafutha amapayipi kawoyela negesi

    Kuvunguza ipayipi lensimbi elinamafutha yamapayipi kawoyela negesi efakiwe isithombe
    • Kuvunguza ipayipi lensimbi elinamafutha amapayipi kawoyela negesi

    Incazelo emfushane:

    Emikhakheni ehlala eguqukayo yokwakha nobunjiniyela, intuthuko yezobuchwepheshe iyaqhubeka nokuphinda ichaze ngayo ukuthi amaphrojekthi asetshenziswa kanjani. Enye yezinto ezintsha eziphawuleka yipayipi lensimbi eluhlaza okotshani. Ipayipi linomthungo ebusweni bayo futhi lidalwe ngokugoba imichilo yensimbi ibe yimibuthano bese iwukufaka amandla, ukuqina kwawo, ukuqina kanye nokuguquguquka kwenqubo ye-welding yepayipi. Lesi singeniso somkhiqizo sihlose ukufanekisa izici ezinhle kakhulu zepayipi le-Weld Welded futhi ziqokomise indima yayo eguqukayo embonini kawoyela negesi.


    Imininingwane Yomkhiqizo

    Amathegi Omkhiqizo

    Yethula:

    Emikhakheni ehlala eguqukayo yokwakha nobunjiniyela, intuthuko yezobuchwepheshe iyaqhubeka nokuphinda ichaze ngayo ukuthi amaphrojekthi asetshenziswa kanjani. Enye yezinto ezintsha eziphawuleka yipayipi lensimbi eluhlaza okotshani. Ipayipi linomthungo ebusweni bayo futhi lidalwe ngokugoba imichilo yensimbi ibe yimibuthano bese iwukufaka amandla, ukuqina kwawo, ukuqina kanye nokuguquguquka kwenqubo ye-welding yepayipi. Lesi singeniso somkhiqizo sihlose ukufanekisa izici ezinhle kakhulu zepayipi le-Weld Welded futhi ziqokomise indima yayo eguqukayo embonini kawoyela negesi.

    Ukuchazwa Komkhiqizo:

    Kuvunguza amapayipi ensimbi, ngokwakhiwa kwawo, nikeza izinzuzo ezimbalwa ezihlukile ngezinhlelo ezivamile zamapayipi. Inqubo yayo ehlukile yokukhiqiza iqinisekisa ubukhulu obungaguquki kulo lonke ubude bayo, okwenza limelane kakhulu nezingcindezi zangaphakathi nezangaphandle. Lokhu kushukumiseka kwenza ipayipi le-welded elonakalisayo lilungele izinhlelo zokuhambisa uwoyela kanye negesi lapho ukuphepha nokwethenjwa kubaluleke kakhulu.

    Ubuchwepheshe be-Welding Welding obusetshenziselwe ukukhiqizwa kwalo buhlinzeka ngokuguquguquka okukhulu nokuvumelana nezimo, okuvumela ipayipi ukuthi libekezelele izimo eziphakeme njengamazinga okushisa aphezulu, umehluko wengcindezi. Ngaphezu kwalokho, lo mklamo omusha uthuthukisa ukugqwala nokugqoka ukumelana, ukusiza ukunweba impilo yensiza futhi kunciphise izindleko zokulungisa.

    Ithebula 2 Izakhiwo eziphambili zomzimba nezamakhemikhali zamapayipi ensimbi (GB / T3091-2008, GB / T9711-2011 ne-API Spec 5l)        
    -Vamile Ibanga lensimbi Amakhemikhali (%) Impahla ethambile I-charpy (v notch) umthelela wokuhlolwa
    c Mn p s Si -Nye nje Amandla Okuthela (MPA) Amandla we-Tensile (MPA) (L0 = 5.65 √ s0) min stture rate (%)
    umnciphikazi umnciphikazi umnciphikazi umnciphikazi umnciphikazi uku umnciphikazi uku umnciphikazi D ≤ 168.33mm D> 168.3mm
    I-GB / T3091 -2008 Q215a ≤ 0.15 0.25 <1.20 0.045 0.050 0.35 Ukungeza NB \ V \ TI ngokuhambisana ne-GB / T1591-94 215   335   15 > 31 31  
    Q215B ≤ 0.15 0.25-0.55 0.045 0.045 0.035 215 335 15 > 31 31
    Q235A ≤ 0.22 0.30 <0.65 0.045 0.050 0.035 235 375 15 > 26
    Q235B ≤ 0.20 0.30 ≤ 1.80 0.045 0.045 0.035 235 375 15 > 26
    Q295a 0.16 0.80-1.50 0.045 0.045 0.55 295 I-390 13 > 23
    Q295B 0.16 0.80-1.50 0.045 0.040 0.55 295 I-390 13 > 23
    Q345a 0.20 1.00-1.60 0.045 0.045 0.55 345 510 13 > 21
    Q345B 0.20 1.00-1.60 0.045 0.040 0.55 345 510 13 > 21
    I-GB / T971112011 (PSL1) I-L175 0.21 I-0.60 0.030 0.030   Ukungeza okukodwa okukodwa kwe-NB \ V \ TI Elements noma yikuphi ukuhlanganiswa kwawo 175   I-310   27 Inkomba eyodwa noma ezimbili ze-Gloutyness Index of Ithonya Lamandla Nendawo Yokugunda Iyakhethwa. Ku-L555, bheka Izinga.
    L210 0.22 0.90 0.030 0.030 210 335 25
    L245 0.26 1.20 0.030 0.030 245 415 21
    I-L290 0.26 1.30 0.030 0.030 I-290 415 21
    L320 0.26 1.40 0.030 0.030 320 435 20
    I-L360 0.26 1.40 0.030 0.030 I-360 460 19
    L390 0.26 1.40 0.030 0.030 I-390 I-390 18
    L415 0.26 1.40 0.030 0.030 415 520 17
    L450 0.26 1.45 0.030 0.030 I-450 535 17
    L485 0.26 I-1.65 0.030 0.030 485 I-570 16
    I-API 5L (PSL 1) A25 0.21 I-0.60 0.030 0.030   Ngebanga lensimbi, nb + v ≤ 0.03%; ngensimbi ≥.03%; 172   I-310   (L0 = 50.8mm) ukubalwa ngokuya ngefomula elandelayo: E = 1944 · A0 .2 A0.0 A0 A0 .0 A: Indawo yesampula ku-MM2 U. Akekho noma noma yimibili noma yomibili umthelela wendawo nendawo yokugunda edingekayo njengezikhombisi zobunzima.
    A 0.22 0.90 0.030 0.030   207 331
    B 0.26 1.20 0.030 0.030   241 414
    X42 0.26 1.30 0.030 0.030   I-290 414
    I-X46 0.26 1.40 0.030 0.030   I-317 434
    X52 0.26 1.40 0.030 0.030   359 455
    I-X56 0.26 1.40 0.030 0.030   I-386 490
    X60 0.26 1.40 0.030 0.030   414 517
    I-X65 0.26 1.45 0.030 0.030   448 531
    I-X70 0.26 I-1.65 0.030 0.030   483 I-565

    Ngaphezu kwalokho, ukuxhumana kweWeld yeWeld kuqinisekisa ukusebenza okuhle kobufakazi obuvuzayo. Ngakho-ke, amapayipi we-welded we-welded anikezela ngamapayipi aphephile wokuhamba kwamafutha kanye negesi, ukunciphisa ubungozi bokuvuza nezingozi zezemvelo. Lokhu, okuhambisana nokusebenza kwayo okuphezulu okuphezulu kanye nokusebenza kahle kwe-hydraulic, kwenza kube kuhle kwizinkampani zamandla zifuna izixazululo ezithembekile nezizinzile.

    Ipayipi legesi elingaphansi komhlaba

    Ukuguquguquka okuhlukahlukene kwepayipi elivuthayo eSpiral akunqunyelwe ekuhambeni kwamafutha kanye negesi. Ukwakhiwa kwalo okuqinile nobungcwele obuhle kakhulu bakuvumela ukuthi kusetshenziswe ezinhlobonhlobo zezicelo, kufaka phakathi ukuhlinzekwa kwamanzi, amasistimu wokudonsa amanzi, kanye namaphrojekthi wobunjiniyela bomphakathi. Noma ngabe isetshenziselwa ukuthutha uketshezi noma isetshenziswa njengezinhlaka zokusekelwa, amapayipi ensimbi anezinwele ezinama-welded excy ekunikezeni izixazululo ezithembekile nezingabizi.

    Ukwethulwa kwamapayipi e-welded welded zensimbi kuthuthukiswe kakhulu izinqubo zePhipho we-Welding, ukwenza lula inqubo kanye nokunciphisa isikhathi sephrojekthi jikelele. Ukufakwa okulula, okuhlanganiswe nesilinganiso esiphakeme sokuqina kwesisindo, kuvumela inqubo eyakhiwe futhi esebenza kahle yokwakha. Lokhu kusho ukonga okuthe xaxa kwezindleko zabasebenzi, izidingo zemishini nezindleko zokuphathwa kwamaphrojekthi, ngenkathi kuqinisekiswa ikhwalithi ephezulu nokuphila isikhathi eside.

    Ekuphetheni:

    Ngamafuphi, ipayipi elinezinwele eluhlaza liguqule insimu yezinqubo ze-welding zepayipi, ikakhulukazi embonini kawoyela negesi. Ukuhlanganiswa kwayo okungenamthungo kwamandla, ukuqina, ukuguquguquka kanye nokusebenza kwezindleko kwenza kube kuhle kwizinkampani zamandla zifuna izixazululo ezithembekile. Ngomfutho ophakeme, ukugqwala kanye nokuphikiswa ukuvuza, amapayipi ensimbi ane-welded adlula ama-Pipeline Systems ukuhlinzeka ngenethiwekhi esimeme futhi ephephile yokuhamba kwezinsizakusebenza ezibalulekile. Njengoba imboni yezokwakha iyaqhubeka nokwamukela intuthuko yezobuchwepheshe, ipayipi elishisiwe liyi-welded liba ngukuvuselela ubuhlakani bomuntu kanye nokwenza izinto ezintsha, ukuqeda ikusasa lokusebenza kahle, ukuphepha kanye nokwethenjwa.

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