Pipe ea Tšepe e Welded Spiral Bakeng sa Liphaephe tsa Oli le Khase
Hlahisa:
Mafapheng a meralo le boenjiniere a ntseng a fetoha, tsoelo-pele ea theknoloji e ntse e tsoela pele ho hlalosa bocha hore na merero e kenngoa tšebetsong joang. E 'ngoe ea lintho tse ncha tse ikhethang ke phaephe ea tšepe e kopantsoeng ka spiral. Phaephe e na le lithupa holim'a eona 'me e etsoa ka ho koba lithapo tsa tšepe hore e be li-circles ebe e li kopanya, e leng se tlisang matla a ikhethang, ho tšoarella le ho tenyetseha ha mokhoa oa ho kopanya liphaephe. Selelekela sena sa sehlahisoa se ikemiselitse ho bontša likarolo tse hlahelletseng tsa phaephe e kopantsoeng ka spiral le ho totobatsa karolo ea eona ea phetoho indastering ea oli le khase.
Tlhaloso ea Sehlahisoa:
Liphaephe tsa tšepe tse svetselitsoeng ka spiral, ka moralo oa tsona, li fana ka melemo e 'maloa e ikhethang ho feta litsamaiso tsa liphaephe tse tloaelehileng. Ts'ebetso ea eona e ikhethang ea tlhahiso e netefatsa botenya bo tsitsitseng bolelele bohle ba eona, e leng se etsang hore e hanele haholo likhatello tsa kahare le kantle. Ho tiea hona ho etsa hore phaephe e phuthetsoeng ka spiral e be ntle bakeng sa lits'ebetso tsa phetisetso ea oli le khase moo polokeho le ts'epo li leng tsa bohlokoa ka ho fetisisa.
Theknoloji ea ho tjheseletsa ka lebelo le phahameng e sebelisoang tlhahisong ea eona e fana ka ho tenyetseha le ho ikamahanya le maemo ho hoholo, e leng se lumellang phaephe ho mamella maemo a feteletseng a kang mocheso o phahameng, phapang ea khatello le likoluoa tsa tlhaho. Ho phaella moo, moralo ona o mocha o ntlafatsa ho bola le ho hanyetsa ho tsofala, o thusa ho lelefatsa bophelo ba tšebeletso le ho fokotsa litšenyehelo tsa tlhokomelo.
| Tafole ea 2 Thepa ea Bohlokoa ea 'Mele le ea Lik'hemik'hale ea Liphaephe tsa Tšepe (GB/T3091-2008, GB/T9711-2011 le API Spec 5L) | ||||||||||||||
| E tloaelehileng | Kereiti ea Tšepe | Likarolo tsa Lik'hemik'hale (%) | Thepa e Tenyetsehang | Teko ea Tšusumetso ea Charpy (V notch) | ||||||||||
| c | Mn | p | s | Si | Tse ling | Matla a Tekanyo (Mpa) | Matla a ho Tenyetseha (Mpa) | (L0=5.65 √ S0)Sekhahla sa ho Otlolla sa mets(%) | ||||||
| boholo | boholo | boholo | boholo | boholo | motsotso | boholo | motsotso | boholo | D ≤ 168.33mm | D > 168.3mm | ||||
| GB/T3091 -2008 | Q215A | ≤ 0.15 | 0.25 < 1.20 | 0.045 | 0.050 | 0.35 | Ho eketsa Nb\V\Ti ho latela GB/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 | Ho eketsa e 'ngoe ea likarolo tsa Nb\V\Ti kapa motsoako ofe kapa ofe oa tsona ka boikhethelo | 175 | 310 | 27 | E 'ngoe kapa tse peli tsa index ea ho tiea ha matla a tšusumetso le sebaka sa ho kuta li ka khethoa. Bakeng sa L555, sheba tekanyetso. | ||||
| 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 | Bakeng sa tšepe ea sehlopha sa B, Nb+V ≤ 0.03%; bakeng sa tšepe ≥ sehlopha sa B, ho eketsa Nb kapa V kapa motsoako oa tsona ka boikhethelo, le Nb+V+Ti ≤ 0.15% | 172 | 310 | (L0=50.8mm)e tla balwa ho latela foromo e latelang:e=1944·A0 .2/U0 .0 A: Sebaka sa sampole ka mm2 U: Matla a fokolang a ho thaepa a boletsoeng ka Mpa | Ha ho letho kapa efe kapa bobedi ba matla a tshusumetso le sebaka sa ho kuta tse hlokahalang e le tekanyetso ya ho tiya. | ||||
| 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 | ||||||||
Ho phaella moo, kgokelo ya weld ya spiral e netefatsa tshebetso e ntle haholo e sa dutleng. Ka hona, diphaephe tse weldilweng ka spiral di fana ka diphaephe tse bolokehileng bakeng sa ho tsamaisa oli le khase, e leng se fokotsang kotsi ya ho dutla le dikotsi tsa tikoloho. Sena, hammoho le bokgoni ba yona bo phahameng ba ho phalla le tshebetso e ntle ya hydraulic, se etsa hore e be sebaka se setle bakeng sa dikhamphani tsa eneji tse batlang ditharollo tse tshepahalang le tse tswelang pele.
Ho tenyetseha ha phaephe e tjheseditsweng ka moya ha ho felle feela ho tsamaiseng oli le khase. Kaho ya yona e matla le botsitso ba sebopeho bo botle di e dumella ho sebediswa ditshebedisong tse fapaneng, ho kenyeletswa phepelo ya metsi, ditsamaiso tsa drainage, esita le diporojeke tsa boenjiniere ba meaho. Ebang e sebedisetswa ho tsamaisa metsi kapa e sebediswa e le meaho ya tshehetso, diphaephe tsa tshepe tse tjheseditsweng ka moya di ipabola ho faneng ka ditharollo tse tshepahalang le tse theko e tlase.
Ho kenngwa ha diphaephe tsa tshepe tse weldisitsweng ka spiral ho ntlafaditse haholo mekgwa ya ho wellisa diphaephe, ho nolofatsa tshebetso le ho fokotsa nako yohle ya projeke. Ho kenngwa ha bonolo, ho kopantswe le karolelano e phahameng ya matla ho ya boima, ho dumella tshebetso ya kaho e nolofaditsweng le e sebetsang hantle. Sena se bolela poloko e kgolo ditjeong tsa basebetsi, ditlhoko tsa disebediswa le ditshenyehelo tsa tsamaiso ya projeke, ha ka nako e ts'oanang ho netefatsa boleng bo hodimo le nako e telele.
Ha re phethela:
Ka bokhutšoanyane, phaephe e tjheseletsang ka moya e fetotse lefapha la ditshebetso tsa ho tjheseletsa ka moya, haholoholo indastering ya oli le kgase. Kopanyo ya yona e se nang sekoli ya matla, ho tshwarella, ho tenyetseha le ho boloka ditjeo e etsa hore e be ntle bakeng sa dikhamphani tsa eneji tse batlang ditharollo tse tshepahalang. Ka kgatello e phahameng, ho kgopama le ho dutla ha metsi, diphaephe tsa tshepe tse tjheseletsang ka moya di feta ka nqane ho ditsamaiso tsa setso tsa diphaephe ho fana ka marangrang a tsitsitseng le a bolokehileng bakeng sa ho tsamaisa mehlodi ya bohlokwa. Ha indasteri ya kaho e ntse e tswela pele ho amohela kgatelopele ya theknoloji, phaephe e tjheseletsang ka moya e fetoha bopaki ba bohlale ba batho le boqapi, e phatlalatsang bokamoso ba bokgoni, polokeho le botshepehi.







