IyoAPI 5Lmachubhu emazita akajairwa zvichienderana nesimba rawo shoma regoho. Nokudaro,X52 (L360) ine simba rekukura zvishoma re52,200 psi (360 MPa).
X52=L360, inzira mbiri dzekuratidza giredhi repaipi rakafanana mu API 5L standard.
X52imhando yepakati muAPI 5L, ichibatanidza simba rayo guru nekuchengetedza mari. Inoshandiswa zvakanyanya mukufambisa mafuta negesi, mapurojekiti ekuvaka, mapaipi epasi pemvura, nezvimwewo.
Simbi yeBotopinyanzvi yekugadzira pombi dzesimbi dzeLSAW dzakakora dzine dhayamita mbiri dzakadzika madziro dziri muChina.
1. Nzvimbo: Guta reCangzhou, Dunhu reHebei, China;
2. Mari yose yaiswa: mamiriyoni mazana mashanu emadhora ekuAmerica (RMB);
3. Nzvimbo yefekitori: 60,000 square metres;
4. Kugona kugadzirwa kwegore negore: matani 200,000 emapaipi esimbi eJCOE LSAW;
5. Midziyo: Midziyo yekugadzira nekuyedza yepamusoro;
6. Kunyatsogadzira: Kugadzirwa kwepombi dzesimbi dzeLSAW;
7. Chitupa: Chitupa cheAPI 5L.
Kurongwa kweAPI 5L X52
Zvichienderana nezinga rePSL uye mamiriro ekutumira, X52 inogona kuiswa muzvikamu zvinotevera:
PSL1: X52;
PSL2:X52N kana L360N;X52Q kana L360Q;X52M kana L360M.
MuPSL2, bhii rekupedzisira rinoreva rudzi rwekupisa runofanira kupiswa chinhu chisati chaendeswa chekupedzisira. Unogona kuonamamiriro ekutumirapazasi kuti uwane rumwe ruzivo.
Mamiriro Ekutumira
Zvinhu Zvekutanga
Mapundu, maruva, mabhiritsi, makoronga, kana mapuratifomu.
Pamuchina wePSL 2, simbi inofanira kuurayiwa yogadzirwa zvichienderana netsika yegorosi rakatsetseka.
Koira kana ndiro inoshandiswa kugadzira pombi yePSL 2 haifanirwe kunge iine ma weld ekugadzirisa.
Maitiro Ekugadzira API 5L X52
Machubhu eX52 anogona kugadzirwa uchishandisa nzira dzakasiyana-siyana dzekugadzira machubhu kuti agutse zvinodiwa zvakasiyana zveinjiniya.
Kuti uwane rumwe ruzivo nezvezvinoreva chidimbu cheMagadzirirwo Ekugadzira,tinya pano.
SAWLndiyo mhinduro yakanakisisa yedhayamita hombe, madziro makobvumapaipi esimbi.
Mashoko aya "SAWL"uye"LSAW"ose anoreva Longitudinal Submerged Arc Welded, asi anotaurwa zvakasiyana munzvimbo dzakasiyana. Kusiyana neizvi, izwi rekuti "LSAW" rinoshandiswa zvakanyanya muindasitiri iyi.
Pombi yeLSAW inogona kusungirirwa kaviri nekuda kwekusakwana kwemidziyo mukugadzirwa kwepombi dzine dhayamita hombe, uye ma weld anofanira kunge akaparadzana neanenge 180°.
Mhando dzeMapombi Ekupedzisira eAPI 5L X52
Mugumo wePipe yeSimbi yePSL1: Mugumo une Belled kana Mugumo usina Plain;
Mugumo wePipe yeSimbi yePSL2: Mugumo usina kujeka;
Kune magumo epombi asina kujekazvinodiwa zvinotevera zvinofanirwa kuteverwa:
Mativi ekupedzisira epombi isina chinhu ye t ≤ 3.2 mm (0.125 in) anofanira kunge akachekwa mativi mana.
Machubhu asina magumo ane t > 3.2 mm (0.125 in) anofanira kucheneswa kuti ashandiswe pakusonerera. Kona ye bevel inofanira kuva 30-35° uye upamhi hwemusoro wemudzi we bevel hunofanira kuva 0.8 - 2.4 mm (0.031 - 0.093 in).
Kuumbwa kweMakemikoro eAPI 5L X52
Kuumbwa kwemakemikari ePSL1 nePSL2 steel pipe t > 25.0 mm (0.984 in) kunofanira kusarudzwa nechibvumirano.
Kuumbwa kweMakemikoro ePSL 1 Pombi ine t ≤ 25.0 mm (0.984 in.)
Kuumbwa kweMakemikoro ePSL 2 Pombi ine t ≤ 25.0 mm (0.984 in.)
Pazvigadzirwa zvemapaipi esimbi zvePSL2 zvakaongororwa nehuwandu hwekabhoni hwe ≤0.12%, iyo yakaenzana nekabhoni CEpcminogona kuverengerwa uchishandisa fomura inotevera:
CEpcm= C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/15 + 5B
Pazvigadzirwa zvemapaipi esimbi zvePSL2 zvakaongororwa nehuwandu hwekabhoni > 0.12%, iyo yakaenzana nekabhoni CEllwinogona kuverengerwa uchishandisa fomura iri pazasi:
CEllw= C + Mn/6 + (Cr + Mo + V)/5 + (Ni +Cu)/15
Zvimiro zveMichina zveAPI 5L X52
Zvivakwa zveKusimba
Kuyedzwa kwesimba kunoyera zvinhu zvitatu zvakakosha:simba rekupa, simba rekusimbauyekureba.
Zvivakwa zvePSL1 X52 zveTensile
Zvivakwa zvePSL2 X52 zveTensile
Cherechedza: Kureba kushoma kwakataurwa, Afinofanira kunge yakatsanangurwa uchishandisa equation inotevera:
Af= C × (Axc)0.2/U0.9)
Cndeye 1940 yekuverenga uchishandisa mayuniti eSI uye 625,000 yekuverenga uchishandisa mayuniti eUSC;
Axc ndiyo nzvimbo inoshanda yechikamu chekuyedza che tensile test piece, inoratidzwa mu square millimeters (square inches), seinotevera:
1) yezvidimbu zvebvunzo zvedenderedzwa, 130 mm2(0.20 in.)2) yezvidimbu zvekuyedza zve12.7 mm (0.500 in.) uye 8.9 mm (0.350 in.) dhayamita; 65 mm2(0.10 in.)2) yezvidimbu zvekuyedza zve6.4 mm (0.250 in.) dhayamita;
2) yezvidimbu zvebvunzo zvechikamu chose, zvishoma pane a) 485 mm2(0.75 in.)2) uye b) nzvimbo yechikamu chebvunzo, T yakawanikwa uchishandisa dhayamita yekunze yakatarwa uye ukobvu hwemadziro hwakatarwa hwepombi, yakatenderedzwa kusvika pa10 mm iri pedyo.2(0.01 in.)2);
3) yezvidimbu zvekuedza, zvishoma pane a) 485 mm2(0.75 in.)2) uye b) nzvimbo ine chikamu chakachinjika chechikamu chekuyedza, inotorwa uchishandisa upamhi hwakatarwa hwechikamu chekuyedza uye ukobvu hwemadziro hwakatarwa hwepombi, yakatenderedzwa kusvika pa10 mm iri pedyo2(0.01 in.)2);
Undiyo simba rekudhonza rakasarudzwa, rinoratidzwa mumamegapascals (mapaundi pa sikweya inch).
Zvimwe Zviedzo zveMichina
Purogiramu yekuedza inotevera inoshanda kuneMhando dzemapaipi eSAWKune mamwe marudzi emapaipi, ona Matafura 17 ne18 eAPI 5L.
Kuedza kukotamisa gwara rekukwevera;
Kuedza kuomarara kwepombi dzakasungirirwa dzakaita sechando;
Kuongororwa kukuru kwemusono wakasungirirwa;
uye chete paPSL2 steel pipe: CVN impact test uye DWT test.
Kuedzwa kweHydrostatic
Nguva Yekuyedza
Saizi dzese dzemachubhu esimbi asina musono uye akasungirirwa ane D ≤ 457 mm (18 in.):nguva yekuedza ≥ masekondi mashanu;
Pombi yesimbi yakasungirirwa D > 457 mm (18 in.):nguva yekuedza ≥ masekondi gumi.
Kuwanda kwekuyedza
Pombi imwe neimwe yesimbi.
Kumanikidzwa kwekuyedza
Kumanikidzwa kwekuyedza kwehydrostatic P kwe apombi yesimbi isina magumoinogona kuverengerwa uchishandisa fomura.
P = 2St/D
Sndiko kumanikidzwa kwehoop. kukosha kwakaenzana nesimba repasi rose repaipi yesimbi ye xa percentage, muMPa (psi);
tukobvu hwemadziro hwakatarwa, hunoratidzwa nemamilimita (mainji);
Dndiyo dhayamita yekunze yakatarwa, inoratidzwa mumamirimita (mainchi).
Kuongorora Kusingaparadzi
Zvemachubhu eSAW, nzira mbiri,UT(kuyedzwa kwe ultrasonic) kanaRT(kuongorora kweX-ray), kunowanzo shandiswa.
ET(kuyedzwa kwemagetsi) hakushandi pamachubhu eSAW.
Misono yakasungirirwa pamapombi akasungirirwa emhando yepamusoro ≥ L210/A uye dhayamita ≥ 60.3 mm (2.375 in) inofanira kuongororwa pasina kuparadza ukobvu hwakazara nehurefu (100%) sezvakatsanangurwa.
Kuongororwa kweUT kusingaparadze
Kuongorora kweRT kusingaparadze
Kukura Kwechando uye Kuwedzera Kwechando
Kukura kwemvura inotonhora uye kuwedzera kwemvura inotonhora inzira mbiri dzinoshandiswa pakugadzira machubhu eLSAW kuona kuti machubhu aya anowana saizi chaiyo uye hunhu hwemuchina. Maitiro ese ari maviri maitiro ekushanda achitonhora, uko chimiro nehukuru hwechubhu zvinogadziriswa patembiricha yemumba.
Chiyero chehukuru hwekuwedzera kutonhoramachubhu haafanire kuva pasi pe0.003 uye haafanire kuva makuru kupfuura 0.015.
Mwero wehukuru hweyakakura sechandopombi yesimbi haifanirwe kupfuura 0.015, kunze kwezviitiko zvinotevera:
a) Pombi yacho inozogadziriswa kana kudzimwa uye inodziya;
b) Chubhu yese yesimbi yakakura inotonhora inozorerutswa nekushushikana.
Tsanangura Dhayamita Yekunze uye Ukobvu hweMadziro
Hunhu hwakaenzana hwedhayamita dzakatarwa dzekunze uye ukobvu hwakatarwa hwemadziro epombi yesimbi hunoratidzwa muISO 4200uyeASME B36.10M.
Kushivirira kwehukuru
Ndapota tinya pane fonti yebhuruu kurudyi kuti uone kushivirirana kwemativi, zvinodiwa zvakanyorwa muAPI 5L Giredhi Bkuti uwane rumwe ruzivo.
Mashandisirwo eAPI 5L X52
Pombi yesimbi yeAPI 5L X52 inoshandiswa zvakanyanya mumabasa akasiyana-siyana akakosha nekuda kwehunhu hwayo hwakanaka hwemakanika uye kugona kwayo kugadzirisa mamiriro ezvinhu akaomarara.
Kutakurwa kwemafuta negesi: Iyi ndeimwe yemashandisirwo akajairika eAPI 5L X52. Inonyanya kushandiswa pamapaipi ekufambisa mafuta negesi ari kure, kunyanya kana paine kumanikidzwa kwakanyanya kwemukati.
Kuvaka nezvivakwa: Inogona kushandiswa kuvaka zvivakwa zvekutsigira mabhiriji nezvivakwa. Inogona zvakare kushandiswa mukugadzira mabraces kana zvimwe zvivakwa zvinotakura mutoro, kunyanya kana paine nzvimbo refu kana kuti nzvimbo dzakakura dzinotakura mutoro.
Mapaipi epasi pegungwa: Mapurojekiti emapaipi epasi pegungwa anoda chaizvo mapaipi anodzivirira ngura uye ane simba guru, uye API 5L X52 inobudirira panyaya iyi. Inodzivirira mvura yegungwa uye inochengetedza kushanda kwayo, zvichiita kuti ive yakanaka yekubatanidza kune mafuta negesi zviri kunze kwegungwa.
Rudzi Rwedu rweKupa
Mutsetse: API 5L;
PSL1: X52 kana L360;
PSL2: X52N, X52Q, X52M kana L360N, L360Q, L360M;
Rudzi rwePipe: Pipe yeSimbi yeKabhoni Yakasungirirwa;
Maitiro Ekugadzira: LSAW, SAWL kana DSAW;
Dhayamita yekunze: 350 - 1500;
Ukobvu hwemadziro: 8 - 80mm;
Kureba: Hurefu hunofungidzirwa kana hurefu husina kurongeka;
Zvirongwa zveMapombi: SCH10, SCH20, SCH30, SCH40, SCH60, SCH80, SCH100, SCH120, SCH140 uye SCH160.
Kuzivikanwa: STD, XS, XXS;
Kupenda: Pendi, varnish, 3LPE, FBE, 3LPP, HDPE, galvanized, epoxy zinc yakawanda, simende yakayerwa, nezvimwewo.
Kurongedza: Jira risingapindi mvura, bhokisi rehuni, bhandi resimbi kana waya yesimbi, chidziviriro chepurasitiki kana simbi, nezvimwewo. Zvakagadzirirwa.
Zvigadzirwa Zvinoenderana: Makomba, maflange, mapipe fittings, nezvimwe zvigadzirwa zvinoenderana zviripo.
