Imiyoboro y'amazi yo mu bwoko bwa Spiral Seam
Mu bwubatsi bw'ibikorwa remezo, ibikoresho byakoreshejwe bigira uruhare runini mu kuramba no mu mikorere y'umushinga. Kimwe mu bikoresho by'ingenzi mu nganda z'ibikorwa remezo ni imiyoboro ikoreshwa mu buryo bw'umwuka. Iyi miyoboro ikoreshwa mu buryo butandukanye nko mu miyoboro y'amazi n'imiyoboro ya gazi, kandi imiterere yayo, harimo imiyoboro ikoreshwa mu buryo bw'umwuka n'imiyoboro ikoreshwa mu buryo bw'umwuka, ni ingenzi cyane kugira ngo ikore neza. Muri iyi blog, tuzareba mu buryo bwimbitse ibijyanye n'iyi miyoboro.Ibisobanuro by'umuyoboro ushongeshejwe ku buryo bw'uruzigan'akamaro kabyo mu nganda z'ubwubatsi.
Sumuyoboro w'umushono w'uruzigasbikorwa hakoreshejwe uburyo bwitwa inzira yo gusudira mu buryo bw'umwuka. Iyi nzira ikubiyemo gukoresha imigozi y'icyuma ishyushye ikozwe mu buryo bw'umuzenguruko hanyuma igashyirwa ku mugozi w'umwuka. Umusaruro uba umuyoboro ukomeye kandi uramba, bigatuma uba ukwiriye gukoreshwa mu buryo butandukanye. Iyi miyoboro ikoreshaumuyoboro ushongeshejweikoranabuhanga mu gihe cy'ubwubatsi, bigamije kugenzura ko birwanya ibintu bitandukanye bibangamira ibidukikije n'ibitutu, bigatuma biba byiza gukoreshwa munsi y'ubutaka no munsi y'amazi.
| Imiterere y'ingenzi y'imiyoboro y'icyuma (GB/T3091-2008, GB/T9711-2011 na API Spec 5L) | ||||||||||||||
| Igisanzwe | Ingano y'icyuma | Ibinyabutabire (%) | Umutungo wo gukurura | Ikizamini cy'Ingaruka cya Charpy (V notch) | ||||||||||
| c | Mn | p | s | Si | Ibindi | Ingufu z'umusaruro (Mpa) | Imbaraga zo Gukurura (Mpa) | (L0=5.65 √ S0)Ingano y'iminota yo guhagarara (%) | ||||||
| umubare ntarengwa | umubare ntarengwa | umubare ntarengwa | umubare ntarengwa | umubare ntarengwa | umunota | umubare ntarengwa | umunota | umubare ntarengwa | D ≤ 168.33mm | D > 168.3mm | ||||
| GB/T3091 -2008 | Q215A | ≤ 0.15 | 0.25 < 1.20 | 0.045 | 0.050 | 0.35 | Kongeramo Nb\V\Ti hakurikijwe 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 | Urashobora kongeramo kimwe mu bintu bya Nb\V\Ti cyangwa ikindi kintu icyo ari cyo cyose kivanze | 175 | 310 | 27 | Kimwe cyangwa bibiri by'ubukomere bw'ingufu z'ingaruka n'agace ko gukata bishobora guhitamo. Kuri L555, reba ibipimo ngenderwaho. | ||||
| 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 | Ku byuma byo mu rwego rwa B, Nb+V ≤ 0.03%; ku byuma byo mu rwego rwa B, kongeramo Nb cyangwa V cyangwa ibivanze byabyo, na Nb+V+Ti ≤ 0.15%. | 172 | 310 | (L0=50.8mm)Igomba kubarwa hakurikijwe formula ikurikira:e=1944·A0 .2/U0 .0 A:Agace k'icyitegererezo muri mm2 U: Ingufu nkeya zagenwe zo gukurura muri Mpa | Nta na kimwe cyangwa byombi, ingufu z'ingaruka n'agace ko gukataho imashini bikenerwa nk'igipimo cy'ubukomere. | ||||
| 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 | ||||||||
Mu gusuzuma ibisabwa ku muyoboro w’umugozi uzunguruka, ni ngombwa kwibanda ku bintu by'ingenzi nko kuba umurambararo, ubugari bw'urukuta n'urwego rw'ibikoresho. Umurambararo w'umuyoboro ugena ubushobozi bwawo bwo gutwara amazi cyangwa gaze, mu gihe ubugari bw'urukuta bugira uruhare runini mu miterere yawo no kudakoresha umuvuduko. Byongeye kandi, urugero rw'ibikoresho rugaragaza ubwiza n'imiterere y'icyuma gikoreshwa kandi ni ingenzi mu kwemeza ko umuyoboro uramba kandi ugakora neza mu ikoreshwa runaka.
Mu iyubakwa ryaimiyoboro y'amazi y'ingenzi, imiyoboro y'imigozi izunguruka ifite ibyiza byinshi. Ingufu zayo zo gukurura no kudatwarwa n'ingese bituma iba nziza mu gutwara amazi mu ntera ndende, mu gihe ubushobozi bwayo bworoshye bwo kuyishyiraho mu gihe cy'imbogamizi no mu butaka bugoye. Byongeye kandi, ikoreshwa ry'imiyoboro y'imigozi izunguruka mu miyoboro ya gaze karemano rituma gazi karemano itwarwa neza kandi mu buryo bwizewe, bigatanga umutungo w'ingenzi mu miturire, ubucuruzi n'inganda.
Ku ruhande rw'ibikorwa remezo, ibipimo by'imiyoboro y'uruziga bigengwa n'amahame n'amabwiriza y'inganda kugira ngo harebwe ubwiza n'imikorere yayo. Urugero, Ikigo cy'Abanyamerika gishinzwe Peteroli (API) cyashyizeho amahame agenga ikorwa n'ikoreshwa ry'imiyoboro y'uruziga agaragaza ibisabwa ku bunini, imbaraga, n'uburyo bwo gupima. Byongeye kandi, Umuryango w'Abanyamerika ushinzwe ibizamini n'ibikoresho (ASTM) utanga imiterere y'ibikoresho n'imiterere y'imashini ku miyoboro y'uruziga kugira ngo urusheho kwemeza ko ari inyangamugayo kandi ikubahiriza amahame y'inganda.
Muri make, ibipimo by'imiyoboro ikoreshwa mu buryo bwa spiral welded ni ingenzi cyane ku ruhare rwayo mu kubaka ibikorwa remezo. Byaba bikoreshwa mu miyoboro y'amazi cyangwaimiyoboro ya lisansi, iyi miyoboro itanga imbaraga zitagereranywa, kuramba no gukora ibintu bitandukanye, bigatuma iba ingenzi cyane mu isi ya none. Mu kubahiriza amahame n'amabwiriza y'inganda, ikoreshwa ry'imiyoboro y'uruziga rituma sisitemu z'ibikorwa remezo by'ingenzi zitezwa imbere kandi zigakorwa neza, bigatanga inzira y'iterambere rirambye n'iterambere ry'imibereho myiza y'abaturage.








