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    Zvakanakira A252 Giredhi 3 Simbi Mapipi Inoshandiswa mumasaga uye petroleum pipeline kuvakwa

    Zvakanakira A252 Giredhi 3 Steel Pipes inoshandiswa mumashura uye petroleum pombi yekuvakwa kunoonekwa mufananidzo
    • Zvakanakira A252 Giredhi 3 Simbi Mapipi Inoshandiswa mumasaga uye petroleum pipeline kuvakwa
    • Zvakanakira A252 Giredhi 3 Simbi Mapipi Inoshandiswa mumasaga uye petroleum pipeline kuvakwa

    Tsananguro pfupi:

    A252 Giredhi 3 Simbi pombi, inozivikanwawo seSpiral yakakundwa Arc pombi, isarudzo yakakurumbira yemasiri uye mafuta pombi kuvaka. Aya mapepa akagadzirirwa kuti aregedze mamiriro akanyanya uye anopa zvakawanda zvakanakira mune izvi zvinoshandiswa.


    Chigadzirwa Chinhu

    Zvigadzirwa tags

    Imwe yeakakosha mabhenefiti eA252 giredhi 3 Simbi pombi isimba rayo rakasiyana-siyana uye kusimba. Iyi pombi yakagadzirwa neyemhando yepamusoro yesimbi uye inodzivirira zvakanyanya kuCorrosion, kupfeka uye kukanganisa. Izvi zvinovaita kuti vazive kuti vashandiswe mumapipi ekuzvidza apo ivo vangave vaburitswa zvinhu zvinokanganisa uye mitoro inorema. Uyezve, simba ravo uye kusimba kwavo vanovaita vakakodzera kushandiswa mumuviri pombi kuvaka, sezvavanofanira kumira zvakanyanya nekumanikidzwa kwepamhepo uye kuchinja kwezvakatipoteredza.

    Standard  Giredhi reSimbi Cemical Constituents (%) Tensile pfuma Charpy(V theych)

    Kupa bvunzo
    c Mn p s Si Zvimwe Erelid Simba(Mpa) Simba resimba(Mpa) (L0 = 5.65 √ s0) min strestch rate (%)
    Max Max Max Max Max min Max min Max D ≤ 168.33mm D> 168.3mm
      

     

    GB / T3091 -2008

    		 Q215a ≤ 0.15 0.25 <1.20 0.045 0.050 0.35   

    Kuwedzera NBVTI IN ACCESTECE neGB / 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     

     

    Inesarudzo yekuwedzera imwe yeNBVTII zvinhu kana chero kusanganiswa kwavo

    		 175   310   27  Imwe kana maviri eyakaoma indexof

    kukanganisa simba uye kubatidza nzvimbo inogona kusarudzwa. Nekuti

    L555, ona chiyero.
    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
      

     

     

    API 5L (PSL 1)

    		 A25 0.21 0.60 0.030 0.030    Yegiredhi bs simbi,

    Nb + v ≤ 0.03%;

    yeiyo simbi × Giredhi b, inosarudzika inowedzera NB kana v kana yavo

    kusanganisa, uye nb + v + ti ≤ 0.15%

    		 172   310    (L0 = 50.8mm) kuva

    yakaverengerwa zvinoenderana neyekutevera formula:

    E = 1944400 .2 / U0 .0

    A: Nzvimbo yemuenzaniso muMM2 U: Minimum yakatsanangurwa Tenshile Simba muMPA

    		  Hapana kana chero

    kana zvese zviri zviviri

    kukanganisa

    simba uye

    Kuveura

    nharaunda inodiwa sekunyorova maitiro.
    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

    Imwe mukana we252 giredhi 3 Simbi pombi ndeyekuita kwayo. Aya mapepa anowanikwa mune dzakasiyana-siyana saizi uye gobvu, achivaita kuti vakwanise kuita zvakasiyana siyana. Kunyangwe kuvaka chidikiSEURL LINEKana itsetse hombe yemafuta, a252 giredhi 3 simbi pombi inogona kuve yakagadziriswa nyore nyore kuti isangane chaiyo purojekiti zvinodiwa. Pamusoro pezvo, aya mapaipi anogona kugadzirwa mukatiHollow-chikamu chivakwa pombi, kuwedzera kuwedzera kwavo kushandiswa mumabasa ekuvaka.

    Kuwedzera kune simba raro uye nekuwedzera, A252 giredhi 3 Simbi pombi inozivikanwa zvakare nemutengo wayo-zvinobudirira. Iyi pombi iri nyore kuisa uye inoda kugadziriswa kushoma, kuderedza mari yakawanda yemitengo. Pamusoro pezvo, hupenyu hwavo hwebasa rekushora uye kurwisa kwebasa kuve nechokwadi kuti vanopa kudzoka kwakasimba pakudyara kwemasower uyeOree pombi mutsarazvirongwa zvekuvaka.

    SSAW PIPE

    Chimwe chinhu chakakosha che252 giredhi 3 Simbi pombi ndiko kuenderana kwayo neiyo dzakasiyana siyana nzira dzekuvaka. Iyi pombi inogona kuiswa uchishandisa nzira dzechinyakare dzekuchera tsika kana nzira dzisina maturo dzakasarudzika dzakakwenenzverwa. Uku kushanduka kunobvumidza kushanda kwakaringana uye kunoitwa-mutengo kune huwandu hwenzvimbo dzakaoma, kusanganisira nzvimbo dzemadhorobha, dzemvura uye nzvimbo dzakatipoteredza.

    Zvakazara, A252 giredhi 3 Simbi pombi inopa zvakasiyana siyana zvakanakira zvakanakira sewer uye petroleum pombi yekuvaka. Simba ravo, kusimba, kunowedzera uye kunoita mari-kushanda kunovaita ivo vakanakira izvi zvinoshandiswa. Kunyangwe ichishandiswa mumashura kana yemafuta pombi kuvaka, mapaipi aya anopa akavimbika kuita uye kukosha kwenguva refu. Nekuda kweizvozvo, ivo vanoramba vari mhinduro yesarudzo yeinjiniya uye makondirakiti vanotsvaga nzvimbo dzakakura uye dzakavimbika dzekupa mhinduro.

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