API 5L Giredhi Bpombi yesimbi inogadzirwa zvichienderana nezvinodiwa zveAPI 5Luye inoshandiswa zvakanyanya muzvirongwa zvekutakura mapaipi muindasitiri yemafuta negesi.
Giredhi Bzvinogonawo kunziL245Hunhu hwacho ndehwekuti simba shoma rekugadzira pombi yesimbi245 MPa.
Pipe yemutsara yeAPI 5L inowanikwa muzvikamu zviviri zvemagadzirirwo echigadzirwa:PSL1inonyanya kushandiswa muhurongwa hwekutakura hwakajairika, ukuwoPSL2yakakodzera mamiriro akaomarara ane simba repamusoro remakanika uye zviyero zvekuyedza zvakasimba.
Maitiro ekugadzira anogona kunge asina musono (SMLS), welded inodzivirira magetsi (ERW), kana kuti arc yakasungirirwa pasi pemvura (SAW) kuti ienderane nezvinodiwa zvakasiyana zvekuisa uye zvekushanda.
Simbi yeBotopinyanzvi yekugadzira pombi dzesimbi dzeLSAW dzakakora dzine dhayamita mbiri dzakadzika madziro dziri muChina.
Nzvimbo: Guta reCangzhou, Hebei Province, China;
Mari yose yaiswa: mamiriyoni mazana mashanu emadhora ekuAmerica (RMB);
Nzvimbo yefekitori: 60,000 square metres;
Kukwanisa kugadzirwa kwegore negore: matani 200,000 emapaipi esimbi eJCOE LSAW;
Midziyo: Midziyo yepamusoro yekugadzira uye yekuedza;
Nyanzvi: Kugadzirwa kwepombi dzesimbi dzeLSAW;
Chitupa: Chitupa cheAPI 5L.
Kurongwa kweAPI 5L Giredhi B
Yakakamurwa kuita mhando dzakasiyana-siyana zvichienderana neMazinga akasiyana eZvigadzirwa (PSL) pamwe nemamiriro ekutumira.
Kurongwa uku kunoita kuti kusarudzwa kwepombi yemutsetse wakakodzera kuve kwakakosha zvikuru kuti kusangane nezvinodiwa zvepurojekiti chaiyo uye zvinodiwa nenzvimbo yekushanda.
PSL1: B.
PSL2: BR;BN;BQ;BM.
Machubhu esimbi ePSL 2 akakosha anoshandiswa munzvimbo dzakakosha dzebasa.
Nzvimbo dzisina basa: BNS; BQS; BMS.
Nzvimbo yebasa rekunze kwenyika: BNO; BQO; BMO.
Mashandisirwo anoda kugona kwepurasitiki kwenguva refu: BNP; BQP; BMP.
Mamiriro Ekutumira
| PSL | Mamiriro Ekutumira | Giredhi rePaipi/Giredhi reSimbi | |
| PSL1 | Yakakungurutswa, yakakungurutswa, yakakungurutswa nethermomechanical, yakaumbwa nethermomechanical, yakaumbwa nenormalizing, yakakungurutswa, yakakungurutswa uye yakanyoroveswa; kana, kanazvakabvumiranwa, zvakadzimwa uye zvakagadziriswa zvepaipi yeSMLS chete | B | L245 |
| PSL 2 | Sezvakakungurutswa | BR | L245R |
| Kugadzirisa kwakatenderedzwa, kugadziridzwa kwakaumbwa, kugadziridzwa, kana kugadziriswa uye kuderedzwa | BN | L245N | |
| Yakadzimwa uye yakapfava | BQ | L245Q | |
| Thermomechanical yakamonerwa kana kuti thermomechanical yakagadzirwa | BM | L245M | |
Mamiriro ekutumira kwepombi yesimbi anonyanya kureva kurapwa kwekupisa kana mamwe marapirwo anoitwa pakupera kwekugadzirwa kwepombi yesimbi, uye marapirwo aya ane simba guru pahunhu hwemakanika, kuramba ngura, uye kugadzikana kwechimiro chepombi yesimbi.
Maitiro Ekugadzira Pipe Yesimbi yeAPI 5L GR.B
Mu API, pombi ye5L standard Grade B inogona kugadzirwa uchishandisa imwe yemaitiro ekugadzira ari patafura inotevera.
| API 5L PSL1 Giredhi B | SMLS | LFW | HFW | SAWL | SAWH | COWL | Mhou |
| API 5L PSL2 Giredhi B | SMLS | — | HFW | SAWL | SAWH | COWL | Mhou |
Kuti uwane rumwe ruzivo nezvezvinoreva chidimbu cheMagadzirirwo Ekugadzira,tinya pano.
LSAWndiyo mhinduro yakanakisisa yemapaipi esimbi ane dhayamita hombe uye madziro makobvu.
Chinhu chakasiyana pakuonekwa kwacho ndechekuvapo kwe weld munzira refu yepombi.
Rudzi rweKuguma kwePombi
Mhando dzemapaipi esimbi eAPI 5L Giredhi B dzinogona kusiyana muPSL1 nePSL2.
PSL 1 Simbi Pombi Mugumo
Mugumo une bell; Mugumo usina kujeka;Mugumo wakajeka wekubatanidza kwakakosha; Mugumo une shinda.
Mugumo une bell: Unongogumira pamachubhu ane D ≤ 219.1 mm (8.625 in) uye t ≤ 3.6 mm (0.141 in) pamucheto wesoketi.
Mugumo une shinda: Pombi ine shinda inongogumira paSMLS nepaipi yakasungirirwa musono wenguva refu ine D < 508 mm (20 in).
PSL 2 Simbi Pombi Mugumo
Mugumo usina kujeka.
Kune magumo epombi asina chinhu, zvinodiwa 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 kweMakemikari eAPI 5L Giredhi B
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
Nzvimbo yeMichina yeAPI 5L Giredhi B
Nzvimbo Inosungirira
Zvivakwa zvePSL1 GR.B zveKubata
Zvivakwa zvePSL2 GR.B zveKusimba
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).
Bvunzo reKukombama
Hapana chikamu chemuenzaniso chinofanira kutsemuka uye weld haifaniri kutsemuka.
Muedzo weKubata-bata
Hazvishande papombi yesimbi yeLSAW.
ZvakakodzeraEW, LWuyeCWmhando dzemachubhu ekugadzira.
Muedzo weKukombama Unotungamirirwa
Ratidza chero mitswe kana kuputika kwesimbi yakasungirirwa kwenguva yakareba kupfuura 3.2 mm (0.125 in), zvisinei nekudzika kwayo.
Ratidza chero mitswe kana kuputika kuri mumutsara wesimbi, HAZ, kana fusion wakareba kupfuura 3.2 mm (0.125 in) kana kudzika kupfuura 12.5% yeukobvu hwemadziro hwakatarwa.
Kuedzwa kweCVN Impact yePSL 2 Pipe
CVN (Charpy V-Notch) Kuedza kwemhedzisiro, nzira yakajairika yekuongorora kusimba kwezvinhu kana zvichinge zvabatwa nekukasira.
Zvinodiwa zvinotevera zvinoshanda kumagiredhi ≤ X60 kana L415.
| Zvinodiwa zveCVN Absorbed Energy zvePipe Body yePSL 2 Pipe | |
| Dhayamita Yekunze Yakatarwa D mm (mukati) | Simba Rizere reCVN Rinotorwa Nesimba miniti Kv J (ft.lbf) |
| ≤762 (30) | 27 (20) |
| ＞762 (30) kusvika 2134 (84) | 40 (30) |
Kuedzwa kweDWT kwePSL 2 Welded Pipe
Avhareji yenzvimbo yekuchekerera bvunzo imwe neimwe inofanira kuva ≥ 85% patembiricha yekuedzwa ye 0 °C (32 °F).
Kune machubhu ane ukobvu hwemadziro >25.4 mm (1 in.), zvinodiwa zvekugamuchirwa kwekuyedzwa kweDWT zvinofanirwa kukurukurwa.
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 Kwebvunzo
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);
Ye API 5L Giredhi B, maperesenti acho 60% yepressure yakajairwa yebvunzo uye 70% yepressure yebvunzo yesarudzo.
Kana paine D <88.9 mm (3.500 in.), hazvidikanwi kuti kumanikidzwa kwekuyedza kupfuure 17.0 MPa (2470 psi);
Kana D > 88.9 mm (3.500 in.), hazvidikanwi kuti kumanikidzwa kwekuyedza kupfuure 19.0 MPa (2760 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
Tsanangura Dhayamita Yekunze uye Ukobvu hweMadziro
Hunhu hwakaenzana hwedhayamita dzakatarwa dzekunze uye ukobvu hwakatarwa hwemadziro epombi yesimbi hunoratidzwa muISO 4200uyeASME B36.10M.
Kushivirira kwehukuru
Kushivirira kwedhayamita uye kusatenderera
Dhayamita yepombi yesimbi inotsanangurwa sedenderedzwa repombi mune chero denderedzwa rakakamurwa ne π.
Kushivirira kweKukora kweMadziro
Kushivirira Kwehurefu
Hurefu hunofungidzirwainofanira kuendeswa mukati mekushivirira kwe ±500 mm (20 in.).
Kushivirira kwekureba kusingatarisirwi
| Kureba Kwakajairwa m (ft) | Hurefu Hushoma m (ft) | Avhareji Yehurefu Hwechinhu Chega Chega Cheodha m (ft) | Kureba Kwakanyanya m (ft) |
| Pipe ine Threaded-and-coupled | |||
| 6 (20) | 4.88 (16.0) | 5.33 (17.5) | 6.86 (22.5) |
| 9 (30) | 4.11 (13.5) | 8.00 (26.2) | 10.29 (33.8) |
| 12 (40) | 6.71 (22.0) | 10.67 (35.0) | 13.72 (45.0) |
| Pombi isina magumo | |||
| 6 (20) | 2.74 (9.0) | 5.33 (17.5) | 6.86 (22.5) |
| 9 (30) | 4.11 (13.5) | 8.00 (26.2) | 10.29 (33.8) |
| 12 (40) | 4.27 (14.0) | 10.67 (35.0) | 13.72 (45.0) |
| 15 (50) | 5.33 (17.5) | 13.35 (43.8) | 16.76 (55.0) |
| 18 (60) | 6.40 (21.0) | 16.00 (52.5) | 19.81 (65.0) |
| 24 (80) | 8.53 (28.0) | 21.34 (70.0) | 25.91 (85.0) |
Kushivirira Kururama
Kutsauka kwakatwasuka pamusoro pekureba kwese kwechubhu: ≤ 0.200 L;
Kutsauka kwakatwasuka kweMugumo wepombi yesimbi ine 1.5 m (5.0 ft): ≤ 3.2mm (0.125 in.).
Kushivirira Kururama
Chikwere chekupedzisira chinotsanangurwa sechikwere kusvika kumagumo epombi.
Hurefu hwekunze kwepombi hunofanira kunge huri pasi pe 1.6 mm (0.063 in.). Hurefu hwekunze kwepombi hunoyerwa semukana uri pakati pemugumo wepombi negumbo rekupedzisira kwepombi.
Kushivirira kweWeld Seam
Kugadziriswa kweRadial Kunobvumidzwa KwakanyanyayeSAW neCOW Pipe.
| Ukobvu hwemadziro hwakatarwa t mm (mukati) | Kugadziriswa kweRadial Kunobvumidzwa Kwakanyanyaamm (mukati) |
| ≤ 15.0 (0.590) | 1.5 (0.060) |
| > 15.0 (0.590) kusvika 25.0 (0.984) | 0.1t |
| > 25.0 (0.984) | 2.5 (0.098) |
| aMiganhu iyi inoshandawo kune strip/plate end welds | |
Kureba kweWeld Bead KunobvumidzwayeSAW neCOW Pipe (Kunze kwekunge paMapombi Ekupedzisira).
| Ukobvu hwemadziro hwakatarwa mm (mukati) | Kureba kweWeld Bead mm (mukati) chirevo chikuru | |
| Bead remukati | Bead rekunze | |
| ≤13.0 (0.512) | 3.5 (0.138) | 3.5 (0.138) |
| >13.0 (0.512) | 3.5 (0.138) | 4.5 (0.177) |
Weld inofanira kunge yakapfava ichichinja pamusoro pepombi yesimbi iri pedyo.
Maweld ekupedzisira epombi anofanira kukuyiwa kusvika pakureba kwe100 mm (4.0 in.) nekukwirira kweweld yakasara kwe ≤ 0.5 mm (0.020 in.).
Kushivirira Misa
Pombi imwe neimwe yesimbi：
a) yepombi yehukuru hwakanyanya: -5.0% - +10.0%;
b) yepombi iri muGiredhi L175, L175P, A25, uye A25P: -5.0% - +10.0%;
c) kune mamwe mapaipi ese: -3.5% - +10.0%.
Pombi pachikamu chimwe nechimwe(≥ matani 18 (matani 20) ekutenga zvinhu):
a) yemagiredhi L175, L175P, A25, uye A25P: -3.5%;
b) kune mamwe magiredhi ese: -1.75%.
Mashandisirwo eAPI 5L GR.B
Pombi yesimbi yeAPI 5L Grade B imhando yepombi yetambo, inonyanya kushandiswa kutakura mvura dzakadai semafuta, gasi rechisikigo, nemvura, uye ndeimwe yezvinhu zvinowanzoshandiswa muindasitiri yemafuta negasi.
Masisitimu ekutumira mafuta negasi: Pipi yesimbi yeAPI 5L Grade B inowanzo shandiswa munzvimbo dzekubvisa nekugadzira mafuta negasi kuti ifambise mafuta asina kuchena negasi rechisikigo kuenda kumasisitimu ekuunganidza kana nzvimbo dzekugadzirisa.
Mapaipi emvura: Mamwe marapirwo epamusoro, akadai sekuputira kana kufukidza, anogona kushandiswa kuvandudza kuramba kwavo ngura kuti zvishandiswe mukufambisa mvura, kusanganisira nzira dzemvura nedzekudiridza.
Nzvimbo dzekunatsiridza zvinhu: Munzvimbo dzinocheneswa mafuta, pombi yesimbi yeAPI 5L Grade B inoshandiswa kutakura makemikari akasiyana-siyana uye zvinhu zvepakati zvinobva mukunyungudutswa kwemafuta asina kucheneswa.
Kuvaka nezvivakwa: Muindasitiri yekuvaka, yekuvaka mabhiriji, zvivakwa zvekutsigira, kana mamwe mapurojekiti akakosha ezvivakwa, kunyanya panodiwa kutakurwa kwemvura kure.
API 5L Giredhi B Yakaenzana
ASTM A106 Giredhi B: Machubhu esimbi yekabhoni isina musono anowanzo shandiswa pabasa rekupisa kwakanyanya, ane maumbirwo emakemikari uye hunhu hwemakanika hwakafanana zvikuru neAPI 5L Giredhi B. ASTM A106 Giredhi B inowanzoshandiswa kutakura utsi hwemvura, makemikari, uye zvigadzirwa zvepeturu zvinopisa zvakanyanya.
ASTM A53 Giredhi B: Iyi imwe mhando yepombi yesimbi yekabhoni, inogona kusungirirwa kana kusabatanidzwa, uye inoshandiswa zvakanyanya mumabasa ekugadzira, kuvaka, uye mamwe mashandisirwo einjiniya. Kunyangwe ichinyanya kushandiswa pakushandisa simba shoma uye tembiricha, mamwe emaparamita ayo ehunhu hwemakanika akafanana neAPI 5L Grade B.
EN 10208-2 L245NB: Inoshandiswa kugadzira mapaipi ekutakura magasi anobvira moto nezvimwe zvinonwiwa. L245NB (1.0457) isimbi yemapaipi ine simba repakati ine hunhu hwemakanika hwakafanana neAPI 5L Grade B.
ISO 3183 L245: Inoshandiswa mumasisitimu ekufambisa mapaipi muindasitiri yemafuta negesi. L245 muISO 3183 iri padyo zvikuru neAPI 5L Grade B uye inogona kushandiswa zvakasiyana.
Mamwe Masevhisi Atinogona Kupa
Simbi yeBotophaingopi mapaipi esimbi emhando yepamusoro eAPI 5L Grade B chete, asiwo inokupai masevhisi akasiyana-siyana ekutsigira, anosanganisira sarudzo dzakasiyana-siyana dzekudzivirira ngura, mhinduro dzekurongedza dzakagadzirirwa iwe, uye rutsigiro rwakakwana rwezvinhu kuti tive nechokwadi chekuti tinokwanisa kusangana nezvaunoda zvakasiyana-siyana.
Takazvipira kugadzira puratifomu imwe chete yekuwana zvinhu inokutendera kuti uwane zvigadzirwa nemasevhisi ese aunoda zviri nyore. Nemabasa edu ehunyanzvi uye akavimbika, unogona kupedzisa nhanho yega yega yepurojekiti yako zvinobudirira uye pasina matambudziko, uchivimbisa mhando uye kufambira mberi. Chinangwa chedu ndechekuva mubatsiri wako akavimbika.
Kuputira Kunodzivirira ngura
Simbi yeBotopinopa nzira dzakasiyana-siyana dzekudzivirira ngura, kusanganisirayakapendwa, yakabatidzwa,3LPE (HDPE), 3LPP,FBE, uye zvinhu zvinodzivirira simende, kuti ienderane nezvinodiwa zvakasiyana-siyana zvekushandisa purojekiti yako.
kurongedza
Tinopa nzira dzakasiyana-siyana dzekurongedza, dzinosanganisira mabhero, matarps, mabhokisi, uye mapaipi, izvo zvinogona kugadziriswa kuti zvienderane nezvaunoda.
Rutsigiro rwehunyanzvi
Kambani yedu yakazvipira kupa rubatsiro rwakakwana rwehunyanzvi runofukidza matanho ese epurojekiti. Kubva pakugadzirira tender isati yatanga kusvika pakutenga nekutakura pakati pepurojekiti, kusvika pakugadzirisa nekugadzirisa matambudziko mushure mepurojekiti, timu yedu yehunyanzvi inogona kukupa mazano ehunyanzvi nerutsigiro.
Chinangwa chedu ndechekukubatsira kutenga zvigadzirwa zvemhando yepamusoro uye zvinodhura muChina, tichiona kuti chirongwa chako chinofamba zvakanaka uye nemutengo wakaderera. Tinotarisira kushanda nemi kuti tigadzire ramangwana rinogutsa zvese.
