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    Iipayipi ze-Spiral Seam zeMibhobho yamanzi ephambili

    Iipayipi zeSpiral Seam zeMibhobho yamanzi ephambili Umfanekiso obonisiweyo
    • Iipayipi ze-Spiral Seam zeMibhobho yamanzi ephambili

    Inkcazo emfutshane:

    Ekwakhiweni kweziseko zophuhliso, izixhobo ezisetyenzisiweyo zidlala indima ebalulekileyo kwixesha elide kunye nokusebenza kweprojekthi. Enye yezinto ezifunekayo kushishino lweziseko zophuhliso yipayipi edibeneyo ejikelezayo. Le mibhobho isetyenziswa rhoqo kwiindlela ezahlukeneyo zokusetyenziswa ezifana neepayipi zamanzi kunye nemibhobho yegesi, kwaye iinkcukacha zayo, kubandakanya imibhobho edibeneyo kunye nemibhobho ejikelezayo, zibalulekile ekuqinisekiseni ukusebenza kwayo. Kule blog, siza kujonga ngokunzuluiinkcukacha zombhobho odibeneyo ojikelezayo kunye nokubaluleka kwazo kwishishini lokwakha.


    Iinkcukacha zeMveliso

    Iithegi zeMveliso

    Ekwakhiweni kweziseko zophuhliso, izixhobo ezisetyenzisiweyo zidlala indima ebalulekileyo kwixesha elide kunye nokusebenza kweprojekthi. Enye yezinto ezifunekayo kushishino lweziseko zophuhliso yipayipi edibeneyo ejikelezayo. Le mibhobho isetyenziswa rhoqo kwiindlela ezahlukeneyo zokusetyenziswa ezifana neepayipi zamanzi kunye nemibhobho yegesi, kwaye iinkcukacha zayo, kubandakanya imibhobho edibeneyo kunye nemibhobho ejikelezayo, zibalulekile ekuqinisekiseni ukusebenza kwayo. Kule blog, siza kujonga ngokunzuluiinkcukacha zombhobho odibeneyo ojikelezayokunye nokubaluleka kwazo kwishishini lokwakha.

    Sumbhobho womthungo we-piralszakhiwe kusetyenziswa indlela ebizwa ngokuba yinkqubo yokudibanisa i-spiral. Le nkqubo ibandakanya ukusebenzisa ii-coils zentsimbi ezigoqwe ngobushushu ukuze zenziwe zibe yimo ye-cylindrical zize zidityaniswe kumthungo we-spiral. Isiphumo yipayipi enamandla aphezulu kunye nokuqina, okwenza ifaneleke kwiindidi ezahlukeneyo zezicelo. Le mibhobho isebenzisaityhubhu edibeneyoubuchwepheshe ngexesha lokwakha, ukuqinisekisa ukuba ziyamelana neemeko ezahlukeneyo zokusingqongileyo kunye noxinzelelo, nto leyo ezenza ukuba zilungele ukusetyenziswa phantsi komhlaba nangaphantsi kwamanzi.

    Iipropati eziphambili zePhysical kunye neeChemical zeMibhobho yeNsimbi (GB/T3091-2008, GB/T9711-2011 kunye ne-API Spec 5L)

    		        

    Umgangatho

    Ibanga lentsimbi

    Izinto ezisetyenziswa kwiikhemikhali (%)

    Ipropati yokuThatha

    Uvavanyo lweMpembelelo lweCharpy(V notch)
    c Mn p s Si

    Okunye

    Amandla emveliso (iMpa)

    Amandla okuThamba (i-Mpa)

    （L0=5.65 √ S0）Isantya sokuNciphisa umzuzu （%）
    ubuninzi ubuninzi ubuninzi ubuninzi ubuninzi umzuzu ubuninzi umzuzu ubuninzi U-D ≤ 168.33mm U-D ＞ 168.3mm

    GB/T3091 -2008

    		 Q215A ≤ 0.15 0.25 ＜ 1.20 0.045 0.050 0.35

    Ukongeza i-Nb\V\Ti ngokuhambelana ne-GB/T1591-94

    		 215   335   15 > 31  
    Q215B ≤ 0.15 0.25-0.55 0.045 0.045 0.035 215 335 15 > 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 0.55 295 390 13 >23
    Q295B 0.16 0.80-1.50 0.045 0.040 0.55 295 390 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

    GB/T9711-2011（PSL1）

    		 L175 0.21 0.60 0.030 0.030  

    Ukukhetha ukongeza enye yezinto ze-Nb\V\Ti okanye nayiphi na indibaniselwano yazo

    		 175   310  

    27

    Inye okanye ezimbini zesalathisi sokuqina kwamandla empembelelo kunye nendawo yokucheba zinokukhethwa. Kwi-L555, jonga umgangatho.
    L210 0.22 0.90 0.030 0.030 210 335

    25
    L245 0.26 1.20 0.030 0.030 245 415

    21
    L290 0.26 1.30 0.030 0.030 290 415

    21
    L320 0.26 1.40 0.030 0.030 320 435

    20
    L360 0.26 1.40 0.030 0.030 360 460

    19
    L390 0.26 1.40 0.030 0.030 390 390

    18
    L415 0.26 1.40 0.030 0.030 415 520

    17
    L450 0.26 1.45 0.030 0.030 450 535

    17
    L485 0.26 1.65 0.030 0.030 485 570

    16

    I-API 5L (PSL 1)

    		 A25 0.21 0.60 0.030 0.030  

    Kwintsimbi yebanga B, iNb+V ≤ 0.03%; kwintsimbi ≥ inqanaba B, ukongeza iNb okanye iV okanye indibaniselwano yazo ngokuzithandela, kunye neNb+V+Ti ≤ 0.15%

    		 172   310  

    （L0=50.8mm）ukubalwa ngokwefomula elandelayo:e=1944·A0 .2/U0 .0 A:Ummandla wesampulu kwi mm2 U: Amandla amancinci okutsalwa kwe-Mpa

    Akukho nanye okanye zombini okanye zombini amandla ombane kunye nendawo yokucheba efunekayo njengesiseko sokuqina.
    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   290 414
    X46 0.26 1.40 0.030 0.030   317 434
    X52 0.26 1.40 0.030 0.030   359 455
    X56 0.26 1.40 0.030 0.030   386 490
    X60 0.26 1.40 0.030 0.030   414 517
    X65 0.26 1.45 0.030 0.030   448 531
    X70 0.26 1.65 0.030 0.030   483 565

    Xa ucinga ngeenkcukacha zombhobho womthungo ojikelezayo, kubalulekile ukugxila kwizinto ezibalulekileyo ezifana nobubanzi, ubukhulu bodonga kunye nomgangatho wezinto. Ububanzi bombhobho bumisela amandla ayo okuthutha ulwelo okanye igesi, ngelixa ubukhulu bodonga budlala indima ebalulekileyo ekuqineni kwesakhiwo sayo kunye nokumelana noxinzelelo. Ukongeza, umgangatho wezinto umele umgangatho kunye nokwakheka kwentsimbi esetyenzisiweyo kwaye yinto ebalulekileyo ekuqinisekiseni ukuba umbhobho uhlala ixesha elide kunye nokusebenza kakuhle kwisicelo esithile.

    Ekwakhiweni kweimibhobho yamanzi ephambili, iipayipi zomthungo ezijikelezayo zinezibonelelo ezininzi. Amandla azo aphezulu okuxinana kunye nokumelana nokugqwala kuzenza zilungele ukuthutha amanzi kumgama omde, ngelixa ukuguquguquka kwazo kuvumela ukufakwa lula kwiingxaki nakwiindawo ezinzima. Ukongeza, ukusetyenziswa kweepayipi zomthungo ezijikelezayo kwipayipi zegesi yendalo kuqinisekisa ukuthuthwa kwegesi yendalo ngokukhuselekileyo nangokufanelekileyo, okubonelela ngesixhobo esibalulekileyo kumacandelo ezindlu, ezorhwebo kunye nemizi-mveliso.

    umbhobho wentsimbi ejikelezayo

    Kwicala leziseko zophuhliso, iinkcukacha zepayipi yomthungo ojikelezayo zilawulwa yimigangatho kunye nemigaqo yoshishino ukuqinisekisa umgangatho kunye nokusebenza kwazo. Umzekelo, i-American Petroleum Institute (API) iphuhlise imigangatho yokwenziwa nokusetyenziswa kwepayipi yomthungo ojikelezayo echaza iimfuno zobungakanani, amandla, kunye neenkqubo zovavanyo. Ukongeza, i-American Society for Testing and Materials (ASTM) ibonelela ngolwakhiwo lwezinto kunye neenkcukacha zepropathi yoomatshini yeepayipi zomthungo ojikelezayo ukuqinisekisa ngakumbi ukuthembeka kwazo kunye nokuthobela imigangatho yoshishino.

    Ngamafutshane, iinkcukacha zemibhobho edibeneyo ejikelezayo zibalulekile kwindima yazo ekwakheni iziseko zophuhliso. Nokuba isetyenziselwa imibhobho yamanzi okanyeimigca yegesi, ezi mbhobho zinika amandla angenakuthelekiswa nanto, ukuqina kunye nokuguquguquka, nto leyo eyenza ukuba zibe yimfuneko kwihlabathi lanamhlanje. Ngokulandela imigangatho nemigaqo yoshishino, ukusetyenziswa kwemibhobho yomthungo ojikelezayo kuqinisekisa ukhuseleko kunye nokusebenza kakuhle kweenkqubo ezibalulekileyo zeziseko zophuhliso, zivula indlela yophuhliso oluzinzileyo kunye nenkqubela phambili kwezentlalo.

     

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