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    Ukuqinisekisa Ukusebenza Kahle Nokuqina Kwamapayipi Amakhulu Amanzi Anezipayipi Ezihlanganisiwe Ezijikelezayo

    Ukuqinisekisa Ukusebenza Kahle Nokuqina Kwamapayipi Amakhulu Amanzi Anezimbobo Ezihlanganisiwe Ezijikelezayo Isithombe Esifakiwe
    • Ukuqinisekisa Ukusebenza Kahle Nokuqina Kwamapayipi Amakhulu Amanzi Anezipayipi Ezihlanganisiwe Ezijikelezayo

    Incazelo emfushane:

    Le ngxenye yale European Standard ichaza izimo zokulethwa kobuchwepheshe zezingxenye zesakhiwo ezihlanganisiwe ezibandayo, ezingenalutho zezinhlobo eziyindilinga, eziyisikwele noma eziyisikwele futhi isebenza ezingxenyeni zesakhiwo ezingenalutho ezakhiwe ezibandayo ngaphandle kokwelashwa kokushisa okulandelayo.

    I-Cangzhou Spiral Steel Pipes Group Co., Ltd inikeza ingxenye engenalutho yamapayipi ensimbi ajikelezayo ukuze kwakhiwe.


    Imininingwane Yomkhiqizo

    Amathegi Omkhiqizo

    Yethula:

    Amapayipi amanzi amakhulu angamaqhawe angadunyiswanga ahlinzeka ngamanzi abalulekile emiphakathini yethu. Lawa manethiwekhi angaphansi komhlaba adlala indima ebalulekile ekuqinisekiseni ukugeleza kwamanzi okungaphazamiseki emakhaya ethu, emabhizinisini nasezimbonini. Njengoba isidingo siqhubeka nokukhula, kubalulekile ukusebenzisa izinto ezisebenza kahle nezihlala isikhathi eside zala mapayipi. Enye yezinto ezithola ukunakwa okukhulu yipayipi elihlanganisiwe elihlanganisiwe. Kule bhulogi, sizohlola ukubaluleka kwamapayipi ahlanganisiwe ahlanganisiwe emapayipini amakhulu okuhambisa amanzi bese sixoxa ngezinzuzo zawo.

    Funda ngamapayipi ahlanganisiwe ajikelezayo:

    Ngaphambi kokuthi sihlole izinzuzo ze-amapayipi ahlanganisiwe ajikelezayo, ake siqale siqonde umqondo wamapayipi ahlanganisiwe ajikelezayo. Ngokungafani namapayipi endabuko aqondile ahlanganisiwe, amapayipi ahlanganisiwe ajikelezayo enziwa ngokugoqa nokunamathisela amakhoyili ensimbi ngesimo esijikelezayo. Le nqubo yokukhiqiza eyingqayizivele inikeza ipayipi amandla angokwemvelo, okwenza libe yindawo ekahle yokusetshenziswa ngaphansi komhlaba njengamapayipi amanzi.

    Impahla Yomshini

    ibanga lensimbi

    amandla amancane okukhiqiza
    I-Mpa

    Amandla okudonsa

    Ukwandiswa okuncane
    %

    Amandla amancane omthelela
    J

    Ubukhulu obucacisiwe
    mm

    Ubukhulu obucacisiwe
    mm

    Ubukhulu obucacisiwe
    mm

    ekushiseni kokuhlolwa kwe-
     

    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

    -

    -

    Izinzuzo zamapayipi ahlanganisiwe ajikelezayo emapayipini amakhulu okuhambisa amanzi:

    1. Amandla nokuqina okwandisiwe:

    Ubuchwepheshe bokushisela okujikelezayo obusetshenziswa kula mapayipi budala isakhiwo esiqhubekayo, esingenamthungo esinamandla aphezulu kanye nokumelana nokucindezeleka okuphezulu kwangaphakathi nangaphandle. Ngaphezu kwalokho, imithungo ejikelezayo eqiniswayo ithuthukisa ubuqotho bepayipi, inciphisa ingozi yokuvuza noma ukuqhuma. Lokhu kuqina kuqinisekisa impilo ende yenkonzo yepayipi lakho lamanzi, kunciphisa izindleko zokulungisa kanye nokushintsha.

    2. Ukumelana nokugqwala:

    Imigqa yamanzi eyinhloko ivezwa ezicini ezahlukahlukene zemvelo, okuhlanganisa umswakama, amakhemikhali kanye nomhlabathi. Amapayipi ahlanganisiwe ajikelezayo avame ukukhiqizwa kusetshenziswa izinto ezingagqwali njengensimbi engagqwali, okuqinisekisa ukuvikelwa okuhle kakhulu ekugqwaleni, ukuguguleka komhlabathi, kanye nezinye izinhlobo zokugqwala. Lokhu kumelana kwandisa impilo yamapayipi, kuvimbela ukuwohloka komhlabathi futhi kugcina ikhwalithi yamanzi isezingeni.

    3. Ukusebenza kahle kwezindleko:

    Ukutshala imali kumapayipi ahlanganisiwe ajikelezayo ukuzeipayipi lamanzi eliyinhlokoskungaba yindlela engabizi kakhulu ngokuhamba kwesikhathi. Isakhiwo sayo esiqinile kanye nokumelana nokugqwala kunciphisa ukuvama kokulungiswa nokufakwa esikhundleni, ngaleyo ndlela konga izindleko ezinkulu zokulungisa. Ngaphezu kwalokho, kulula ukuzifaka, zilula, futhi zinciphisa isidingo sezisekeli ezengeziwe, okwenza zibe inketho elula nengabizi kakhulu yamaphrojekthi amakhulu okufaka amapayipi.

    4. Ukuzivumelanisa nezimo kanye nokuguquguquka:

    Ipayipi elihlanganisiwe elijikelezayo linikeza izinga eliphezulu lokuguquguquka kanye nokuguquguquka ekusetshenzisweni kwalo. Lingakhiqizwa ngobubanzi obuhlukene, ubude kanye nobukhulu, okuvumela ukuthi lenziwe ngokwezifiso ukuze lihlangabezane nezidingo ezithile zephrojekthi. Lokhu kuvumelana nezimo kubavumela ukuthi bavumelane nezindawo ezahlukene kanye nezimo zomhlabathi ezahlukene, okwenza kube ukukhetha okuhle kakhulu kwamapayipi amakhulu okuhambisa amanzi ezindaweni zasemadolobheni nasemakhaya.

    5. Ukuzinza kwemvelo:

    Ngaphezu kwezinzuzo zawo zokusebenza, amapayipi ahlanganisiwe ajikelezayo nawo anegalelo elihle ekusimeni kwemvelo. Izinto ezisetshenziswa ekwakhiweni kwawo zingasetshenziswa kabusha, okunciphisa ukugcwala kwekhabhoni iyonke. Ngaphezu kwalokho, ukwakheka kwawo okungenamthungo kunciphisa ukulahleka kwamanzi ngenxa yokuvuza, ngaleyo ndlela kuvikele lo mthombo obalulekile.

    Ipayipi Elihlanganisiwe Eliyi-Helical

    Ukwakheka Kwamakhemikhali

    Ibanga lensimbi

    Uhlobo lokususa i-oxidation a

    % ngobuningi, ubuningi

    Igama lensimbi

    Inombolo yensimbi

    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 yokususa i-oxidation ichazwa kanje:

    FF: Insimbi ebulewe ngokuphelele equkethe izinto zokubopha i-nitrogen ngamanani anele ukubopha i-nitrogen etholakalayo (isb. ubuncane be-0,020% iyonke i-Al noma i-0,015% i-Al encibilikayo).

    b. Inani eliphezulu le-nitrogen alisebenzi uma ukwakheka kwamakhemikhali kubonisa okuqukethwe okungenani kwe-Al okungu-0,020% kanye nesilinganiso esincane se-Al/N esingu-2:1, noma uma kukhona ezinye izinto ezibophayo ze-N ezanele. Izinto ezibophayo ze-N kufanele ziqoshwe kuDokhumenti Yokuhlola.

    Ekuphetheni:

    Ukuqinisekisa ukusebenza kahle nokuqina kwamapayipi akho amanzi ayinhloko kubalulekile ekuqinisekiseni ukutholakala kwamanzi okuthembekile. Ukusetshenziswa kwamapayipi ahlanganisiwe ajikelezayo kuleziipayipi imigqainikeza izinzuzo eziningi, okuhlanganisa amandla akhuphukile, ukumelana nokugqwala, ukusebenza kahle kwezindleko, ukuguquguquka kanye nokusimama kwemvelo. Njengoba sisebenzela ukwakha ingqalasizinda yamanzi eqinile futhi esebenza kahle, ukutshala imali kubuchwepheshe obuthuthukisiwe njengepayipi elihlanganisiwe elijikelezayo kubalulekile.

     

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