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    Mitsetse yegesi yepasi pevhu - X65 SSAW Steel Pipe

    Mitsetse yegesi yepasi pevhu - X65 SSAW Steel Pipe Mufananidzo Wakaratidzwa
    • Mitsetse yegesi yepasi pevhu - X65 SSAW Steel Pipe

    Tsananguro pfupi:

    Tichiunza pombi yedu itsva yesimbi yeSSAW, chigadzirwa chemhando yepamusoro chakagadzirirwa kushandiswa kwakasiyana-siyana, kunyanya mapaipi egasi rechisikigo ari pasi pevhu. Iyi pombi yeX65 SSAW inoshandiswa zvakanyanya mukusanganisa mapaipi ekutakura mvura, zvivakwa zvesimbi, nheyo dzemapombi, nezvimwewo. Nekushanda kwayo kwepamusoro uye kugara kwenguva refu, chigadzirwa ichi chinoonekwa sechinhu chakakosha kune maindasitiri akasiyana-siyana nemapurojekiti ezvivakwa.


    Ruzivo rweChigadzirwa

    Matagi eChigadzirwa

    Pombi dzakasungirirwa dzakaita sespiral submited arc welded chikamu chakakosha cheinjiniya yekupa mvura, indasitiri yepetrochemical, indasitiri yemakemikari, indasitiri yemagetsi, kudiridza kwekurima, uye kuvaka mumaguta. Kugona kwayo kuita zvinhu zvakasiyana-siyana uye kuvimbika kwakaita kuti ive imwe yezvigadzirwa makumi maviri zvakakosha zvakagadzirwa munyika medu, zvichiratidza kukosha kwayo uye simba rayo pamaindasitiri akasiyana-siyana.

    Pombi yesimbi yeSSAWYakagadzirwa nenzira yakagadzirirwa kutakurwa kwezvinwiwa uye yakakodzera kushandiswa kwemvura uye masisitimu ekubvisa mvura. Kuvakwa kwayo kwakasimba kunoita kuti ive yakakodzera kuona kuti mvura inotakurwa zvakanaka uye yakavimbika. Pamusoro pezvo, yakakodzerawo kutakurwa kwegesi senge gasi remarasha, utsi, uye gasi repetroleum rakanyungudutswa. Simba rayo guru rekudhonza uye kuramba ngura zvinoita kuti gasi risvike zvakanaka uye rinosangana nezvinodiwa zvakanyanya zvemasisitimu ekutumira gasi.

    Hunhu Hukuru hweMapombi eSimbi (GB/T3091-2008, GB/T9711-2011 uye API Spec 5L)

    		        

    Zvakajairika

    Giredhi reSimbi

    Zvikamu zveMakemikari (%)

    Nzvimbo Inosungirira

    Kuedza kweCharpy (V notch) Impact
    c Mn p s Si

    Zvimwe

    Simba reGoho (Mpa)

    Simba reKusimba (Mpa)

    （L0=5.65 √ S0）Kutambanudzwa kweminiti （%）
    zvakanyanya zvakanyanya zvakanyanya zvakanyanya zvakanyanya miniti zvakanyanya miniti zvakanyanya D ≤ 168.33mm D ＞ 168.3mm

    GB/T3091 -2008

    		 Q215A ≤ 0.15 0.25 ＜ 1.20 0.045 0.050 0.35

    Kuwedzera Nb\V\Ti zvichienderana 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  

    Sarudzo yekuwedzera chimwe chezvinhu zveNb\V\Ti kana chero musanganiswa wazvo

    		 175   310  

    27

    Imwe kana mbiri dzechiratidzo chekusimba kwesimba reimpact uye nzvimbo yekuchekerera simbi dzinogona kusarudzwa. Kune L555, ona standard.
    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  

    Kune simbi yegiredhi B, Nb+V ≤ 0.03%; kune simbi ≥ giredhi B, kuwedzera Nb kana V kana musanganiswa wavo, uye Nb+V+Ti ≤ 0.15%

    		 172   310  

    （L0=50.8mm）kuti iverengwe zvichienderana nefomura inotevera:e=1944·A0 .2/U0 .0 A:Nzvimbo yemuenzaniso mu mm2 U: Simba shoma rekudhonza mu Mpa

    Hapana kana chimwe kana zvese zviri zviviri simba rekukanda uye nzvimbo yekuchekerera inodiwa senzira yekusimba.
    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

    Chimwe chezvinhu zvikuru zvinoshandiswa pakugadzira mapaipi edu esimbi akasungirirwa nesimbi akafukidzwa nesimbi inonzi spiral inferiored arc welded ndechetambo yepeturu yepasi pevhuNekunaka kwayo kwepamusoro-soro uye mashandiro ayo, ndiyo sarudzo yekutanga yekuvaka network dzekutakura gasi rechisikigo dzakavimbika uye dzakachengeteka.

    Pombi yemvura yepasi pevhu

    Pombi yemutsetse weX65 SSAWYakavakwa nezvinhu zvepamusoro-soro zvinovimbisa kusimba kwepamusoro uye kusimba. Izvi zvinoita kuti ive yakakodzera kushandiswa kunoda kumanikidzwa kwakanyanya uye kuramba zvinhu zvakatikomberedza. Kukodzera kwayo kuiswa pasi pevhu kunoratidzawo dhizaini yayo yakasimba uye kugona kwayo kutsungirira mamiriro ezvinhu akaoma, zvichiita kuti ive mhinduro inosarudzwa yemapurojekiti emapombi egasi epasi pevhu.

    Sechigadzirwa chakavimbika uye chakasimbiswa, mapaipi edu esimbi akasungirirwa pasi pemvura anoshandiswa zvakanyanya mumaindasitiri nemapurojekiti ezvivakwa nekuda kwekushanda kwawo kwepamusoro-soro, kugara kwenguva refu uye kuvimbika. Kuvakwa kwayo kwemhando yepamusoro kunoita kuti ive sarudzo yekutanga kune masisitimu ekufambisa mvura negesi, kunyanya mumigero yegesi yepasi pevhu uko kuchengetedzeka nekushanda zvakanaka kwakakosha.

    Muchidimbu, pombi yesimbi yakasungirirwa ye spiral submerged arc yakagadzirwa zvakanaka kwazvo kuti isangane nezvinodiwa zvakasiyana-siyana zvemasisitimu ekutumira mvura negasi. Nekuda kwekushanda kwayo kwakasiyana-siyana uye kuvimbika, yave chikamu chikuru mumaindasitiri akasiyana-siyana nemapurojekiti ezvivakwa, kunyanya gasi repasi pevhu. Hunhu hwayo hwakasiyana uye mashandiro anoita kuti ive chinhu chakakosha mukuona network yekufambisa gasi inoshanda uye yakachengeteka. Vimba nekuvimbika uye mashandiro emapombi edu esimbi akasungirirwa ye spiral submerged arc submerged kune zvese zvaunoda zvekutakura mvura negasi.

     

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