Ukwenza ngcono ukusebenza kahle kwengqalasizinda nge-S355 JR Spiral Steel Pipe: Umguquki wegeyimu wokwakha amapayipi wanamuhla we-Pipelines
Isingeniso:
Isidingo esikhulayo samandla asebenza kahle futhi athembekile sesibe ukukhathazeka okubalulekile kohulumeni nezimboni emhlabeni jikelele. Njengoba amapayipi wegesi wemvelo yimithambo yezentengiso yegesi yemvelo, ukukhetha okubonakalayo kwamapayipi kubalulekile ekuqinisekiseni ukuhanjiswa kwamandla okungenamthungo nangokuzinzile. Kule bhulogi, sihlola ukuthi i-S355 jr Spiral Pipe, eyaziwa nangokuthiipayipi lomfutho enopheyiselo, ukuguqula ukwakhiwa kwepayipi yemvelo yemvelo, ngcono ukuphepha, ukuqina kanye nokuhamba kahle kwezinto zokuhamba.
Impahla yemishini
Ibanga lensimbi | Amandla aphansi okuvutha | Amandla asheshayo | Ubuncane obuncane | Amandla umthelela omncane | ||||
Ubukhulu obucacisiwe | Ubukhulu obucacisiwe | Ubukhulu obucacisiwe | ekushiseni kokuhlola kwe | |||||
<16 | > 16≤40 | <3 | ≥3≤40 | ≤40 | -20 ℃ | 0 ℃ | 20 ℃ | |
S235JRH | 235 | I-225 | I-360-50 | I-360-50 | 24 | - | - | 27 |
S275J0H | 275 | 265 | 430-580 | I-410-560 | 20 | - | 27 | - |
S275J2H | 27 | - | - | |||||
S355j0h | I-365 | 345 | I-510-680 | 470-630 | 20 | - | 27 | - |
S355J2H | 27 | - | - | |||||
S355k2h | 40 | - | - |
Ukwakheka kwamakhemikhali
Ibanga lensimbi | Uhlobo lwe-de-oxidation a | % ngobuningi, ubukhulu | ||||||
Igama lensimbi | Inombolo yensimbi | C | C | Si | Mn | P | S | Nb |
S235JRH | 1.0039 | FF | 0,17 | - | 1,40 | 0,040 | 0,040 | 0.009 |
S275J0H | I-1.0149 | FF | 0,20 | - | 1,50 | 0,035 | 0,035 | I-0,009 |
S275J2H | I-1.0138 | FF | 0,20 | - | 1,50 | 0,030 | 0,030 | - |
S355j0h | I-1.0547 | FF | 0,22 | I-0,55 | I-1,60 | 0,035 | 0,035 | I-0,009 |
S355J2H | I-1.0576 | FF | 0,22 | I-0,55 | I-1,60 | 0,030 | 0,030 | - |
S355k2h | I-1.0512 | FF | 0,22 | I-0,55 | I-1,60 | 0,030 | 0,030 | - |
a. Indlela ye-deoxidation iqokwa kanjena: I-FF: Insimbi ebulewe ngokuphelele equkethe izinto ezibophayo ze-nitrogen ngamanani anele ukubopha i-nitrogen etholakalayo (isib b. Inani eliphakeme le-nitrogen alisebenzi uma ukwakheka kwamakhemikhali kukhombisa okuqukethwe okuphelele kwe-AL ye-AL ye-0,020% ngesilinganiso esingu-2: 1, noma uma kungenjalo ezinye izinto ezibophayo ze-N zikhona. Izinto ezibophayo ze-N-Bonding zizoqoshwa kudokhumenti lokuhlola. |
Ukuhlolwa kweHydrostatic
Ubude bepayipi ngalinye buzovivinywa ngumenzi ngengcindezi ye-hydrostatic ezokhiqiza odongeni lwamapayipi ingcindezi engaphansi kwamandla ka-60% acacisiwe amancane okushisa avumayo ekushiseni kwegumbi. Ingcindezi izonqunywa yi-equation elandelayo:
P = 2st / d
Ukuhlukahluka okuvumelekile ezinsimbi nasezilinganiso
Ubude bepayipi ngalinye buzosindwa ngokwehlukana futhi isisindo salo ngeke bahlukane ngaphezu kwe-10% ngaphezulu noma ngo-5.5% ngaphansi kwesisindo sayo sethiyori, kubalwa kusetshenziswa ubude baso kanye nesisindo sayo ngeyunithi yayo ngayinye ubude
Ububanzi bangaphandle ngeke buhluka kakhulu kune- ± 1% kusuka kububanzi obucacisiwe be-off
Ubukhulu bodonga nganoma yiliphi iphuzu ngeke bungabi ngaphezu kwe-12,5% ngaphansi kobukhulu bedonga olubekiwe
1. Qonda i-S355 JR Spiral PipE:
S355 JR Spiral Steel Pipeyenziwe ngensimbi ephezulu ye-S355JR futhi iyipayipi lomthungo elivuthwe ngokukhethekile lenzelwe izinhlelo zokwakhiwa kwegesi. Isakhiwo se-Spiral Seam sinikeza amapayipi amandla amahle kakhulu nokuvumelana nezimo, okwenza kube yinto elungele ukudluliswa okude nokuhamba kwegesi yemvelo. Ukuqina kwayo kuqinisekisa ukumelana nezici zangaphandle njengokunyakaza komhlaba, umsebenzi wokuzamazama komhlaba kanye nokugqwala kwenhlabathi, ngaleyo ndlela kuqinisekiswe ubuqotho nobuqotho bohlelo lwe-Pipeline lwe-Natural Pipeline.
2. Ukuphepha kuqala:
Ukwethenjwa nokuphepha kwamapayipi wegesi wemvelo kubalulekile enhlalakahleni yemiphakathi kanye nemvelo. Amandla aphakeme nokuqina kwepayipi ye-S355 JR Spiral Spiral Spiral adlala indima ebalulekile ekunciphiseni ubungozi bokuvuza, ikhefu kanye nezingozi ezalandela. Ngenxa yokwakhiwa kwayo kweSural Seam, ubuqotho bepayipi buhlala buqinile ngisho nasendaweni enzima noma isimo sezulu esibi kakhulu. Ukufaka le pipeline kuhlelo lwe-Pipeline yemvelo yemvelo kunciphisa kakhulu amandla ezingozi zemvelo futhi kuvumela ukuhamba okungaphazanyiswa kwegesi yemvelo ukuqeda abasebenzisi.
3. Ukuqina kwengqalasizinda esimeme:
Ukuqina okuphakeme kwe-S355 JR Spiral Spiral Pipe kuqinisekisa isikhathi eside sengqalasizinda yakho yepayipi, ukonga izindleko zokugcina kanye nezindleko zokubuyiselwa emuva kwesikhathi. Ipayipi lenziwe ngensimbi ephezulu-grade s355jr, elinokumelana kahle nokugqwala okuhle, ukumelana nomthelela kanye nokuphikiswa. Lokhu kumelana kunciphisa ukulungiswa nokubuyiselwa esikhundleni, ngaleyo ndlela kunciphisa umthelela wezemvelo jikelele kanye nokukhishwa kwekhabhoni okuhambisana nokulungiswa kwepayipi nokwakhiwa kabusha. Umjikelezo wempilo onwetshiwe we-S355 JR Spiral Steel Pipe unikela ngokuqondile ohlelweni lwamapayipi we-Pipeline aqhubekayo futhi anobungane.
4. Thuthukisa ukusebenza kahle kwezinto zokuhamba:
Ukusebenza kahle ekuthuthweni kwegesi yemvelo kubandakanya ukunciphisa ukulahleka kwamandla nokwandisa umthamo wokudlulisela. Ukwakheka komthungo ovunguzayo we-S355 JR Spiral Spiral Pipe kuvumela ukugeleza komoya obushelelezi, okuqhubekayo, ukunciphisa ukulahleka kwezingqubuzana ngenkathi kukhulisa umthamo wokuhamba wepayipi. Ipayipi linokufana okungaphakathi komhlaba oqinisekisa amandla okugeleza okwenziwe kahle, ngaleyo ndlela kunciphisa ukusetshenziswa kwamandla nokwandisa ukusebenza kahle. Ngokwengeziwe, imvelo engasindi yepayipi yenza ukuphathwa, izinto zokuhamba nokufakwa okulawulwa ngokwengeziwe, zonga isikhathi nezindleko ngesikhathi sokwakha.
Isiphetho:
Ukufaka ipayipi lensimbi le-S355 JR Spiral libe ekwakheni kwe-Natural Gas Pipeline Ukwakhiwa kwenziwa ngcono ukuthuthukisa ukusebenza kwengqalasizinda. Amandla ahlukile wePipeline, ukuqina kanye nezici zokuphepha zenza ukugeleza okungenamthungo kwegesi yemvelo, kunciphisa ubungozi bezingozi, izingozi zezemvelo nezindleko zokugcina. Ngokwandisa ukusebenza kahle kwezokuthutha kanye nokunciphisa ukulahleka kwamandla, ipayipi lidlala indima ebalulekile ekuhlangabezaneni nokukhula kwamandla ngenkathi ekwamukela imikhuba esimeme. Ukutshala imali kwizixazululo ezintsha njenge-S355 JR Spiral Steel Pipe kubalulekile ukuthi kohulumeni, imboni kanye nemiphakathi ukuqinisekisa ukunikezwa kwamandla okuthembekile, okusebenzayo nokuvula indlela yekusasa lamandla ahlanzekile.