Ukuthuthukisa Ukusebenza Kahle Kwengqalasizinda Ngepayipi Lensimbi Ejikelezayo le-S355 JR: Ushintsho Lokwakhiwa Kwamapayipi Egesi Yemvelo Yanamuhla

Incazelo emfushane:

Le ngxenye yale European Standard ichaza izimo zokulethwa kobuchwepheshe zezingxenye zesakhiwo ezihlanganisiwe ezibandayo, ezingenalutho zezinhlobo eziyindilinga, eziyisikwele noma eziyisikwele futhi isebenza ezingxenyeni zesakhiwo ezingenalutho ezakhiwe ezibandayo ngaphandle kokwelashwa kokushisa okulandelayo.

I-Cangzhou Spiral Steel Pipes Group Co., Ltd inikeza ingxenye engenalutho yamapayipi ensimbi ajikelezayo ukuze kwakhiwe.


Imininingwane Yomkhiqizo

Amathegi Omkhiqizo

Isingeniso:

Isidingo esikhulayo samandla asebenzayo futhi athembekile sesibe yinto ebalulekile kohulumeni kanye nezimboni emhlabeni jikelele. Njengoba amapayipi egesi yemvelo eyimizila yokuthuthwa kwegesi yemvelo, ukukhethwa kwezinto zamapayipi kubalulekile ekuqinisekiseni ukutholakala kwamandla okungenamthungo nokuqhubekayo. Kule bhulogi, sihlola ukuthi ipayipi lensimbi eliyindilinga le-S355 JR, elaziwa nangokuthiipayipi lomthungo eliyindilinga, iguqula ukwakhiwa kwamapayipi egesi yemvelo, ithuthukisa ukuphepha, ukuqina kanye nokusebenza kahle kwezokuthutha.

Impahla Yomshini

ibanga lensimbi

amandla amancane okukhiqiza
I-Mpa

Amandla okudonsa

Ukwandiswa okuncane
%

Amandla amancane omthelela
J

Ubukhulu obucacisiwe
mm

Ubukhulu obucacisiwe
mm

Ubukhulu obucacisiwe
mm

ekushiseni kokuhlolwa kwe-

 

16

>16≤40

<3

≥3≤40

≤40

-20℃

0℃

20℃

S235JRH

235

225

360-510

360-510

24

-

-

27

S275J0H

275

265

430-580

410-560

20

-

27

-

S275J2H

27

-

-

S355J0H

365

345

510-680

470-630

20

-

27

-

S355J2H

27

-

-

S355K2H

40

-

-

Ukwakheka Kwamakhemikhali

Ibanga lensimbi

Uhlobo lokususa i-oxidation a

% ngobuningi, ubuningi

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

1.0149

FF

0,20

1,50

0,035

0,035

0,009

S275J2H

1.0138

FF

0,20

1,50

0,030

0,030

S355J0H

1.0547

FF

0,22

0,55

1,60

0,035

0,035

0,009

S355J2H

1.0576

FF

0,22

0,55

1,60

0,030

0,030

S355K2H

1.0512

FF

0,22

0,55

1,60

0,030

0,030

a. Indlela yokususa i-oxidation ichazwa kanje:

FF: Insimbi ebulewe ngokuphelele equkethe izinto zokubopha i-nitrogen ngamanani anele ukubopha i-nitrogen etholakalayo (isb. ubuncane be-0,020% iyonke i-Al noma i-0,015% i-Al encibilikayo).

b. Inani eliphezulu le-nitrogen alisebenzi uma ukwakheka kwamakhemikhali kubonisa okuqukethwe okungenani kwe-Al okungu-0,020% kanye nesilinganiso esincane se-Al/N esingu-2:1, noma uma kukhona ezinye izinto ezibophayo ze-N ezanele. Izinto ezibophayo ze-N kufanele ziqoshwe kuDokhumenti Yokuhlola.

Ukuhlolwa Kwamanzi

Ubude bepayipi ngalinye kufanele buhlolwe ngumenzi ngengcindezi ye-hydrostatic ezokhiqiza odongeni lwepayipi ukucindezeleka okungaphansi kuka-60% wamandla amancane okukhiqiza ashiwo ekushiseni kwegumbi. Ukucindezela kuzonqunywa yi-equation elandelayo:
P=2St/D

Izinguquko Ezivumelekile Ezisindweni Nasezilinganisweni

Ubude bepayipi ngalinye kufanele bulinganiswe ngokwehlukana futhi isisindo salo akumele sihluke ngaphezu kuka-10% noma u-5.5% ngaphansi kwesisindo salo esicatshangelwayo, kubalwe kusetshenziswa ubude balo kanye nesisindo salo ngobude beyunithi ngayinye.
Ububanzi bangaphandle akufanele buhluke ngaphezu kuka-±1% kusuka kububanzi obujwayelekile bangaphandle obubekiwe
Ubukhulu bodonga nganoma yisiphi isikhathi akufanele bube ngaphezu kuka-12.5% ​​ngaphansi kobukhulu bodonga obubekiwe

Ipayipi Elihlanganisiwe Eliyi-Helical

1. Qonda ipayipi lensimbi eliyindilinga le-S355 JR:

Ipayipi lensimbi elijikelezayo le-S355 JRYenziwe ngensimbi ye-S355JR yezinga eliphezulu futhi iyipayipi lomthungo elijikelezayo elenzelwe ngokukhethekile ukusetshenziswa kokwakhiwa kwamapayipi egesi. Isakhiwo somthungo ojikelezayo sinikeza ipayipi amandla amahle kakhulu kanye nokuguquguquka, okwenza libe yindawo ekahle yokudlulisa nokuthuthwa kwegesi yemvelo ibanga elide. Ukuqina kwalo kuqinisekisa ukumelana nezinto zangaphandle njengokunyakaza komhlaba, umsebenzi wokuzamazama komhlaba kanye nokugqwala kwenhlabathi, ngaleyo ndlela kuqinisekisa ukuhlala isikhathi eside kanye nobuqotho bohlelo lwamapayipi egesi yemvelo.

2. Ukuphepha kuqala:

Ukuthembeka nokuphepha kwamapayipi egesi yemvelo kubalulekile enhlalakahleni yemiphakathi kanye nemvelo. Amandla aphezulu nokuqina kwepayipi lensimbi elijikelezayo le-S355 JR kudlala indima ebalulekile ekunciphiseni ubungozi bokuvuza, ukuphuka kanye nezingozi ezilandelayo. Ngenxa yokwakhiwa komthungo walo ojikelezayo, ubuqotho besakhiwo sepayipi buhlala buqinile ngisho nasezindaweni eziyinselele noma ezimweni zezulu ezimbi kakhulu. Ukufaka leli payipi ohlelweni lwepayipi legesi yemvelo kunciphisa kakhulu amathuba ezingozi zemvelo futhi kuvumela ukugeleza kwegesi yemvelo okungaphazanyiswa kubasebenzisi bokugcina.

3. Ukuqina kwengqalasizinda esimeme:

Ukuqina okuphezulu kwepayipi lensimbi elijikelezayo le-S355 JR kuqinisekisa ukuhlala isikhathi eside kwengqalasizinda yakho yepayipi legesi, konga izindleko zokugcinwa kanye nokufakwa esikhundleni ngokuhamba kwesikhathi. Ipayipi lenziwe ngensimbi ye-S355JR yezinga eliphezulu, enokumelana okuhle kakhulu nokugqwala, ukumelana nokushayisana kanye nokumelana nokuguguleka. Lokhu ukumelana kunciphisa ukulungiswa kanye nokufakwa esikhundleni, ngaleyo ndlela kunciphisa umthelela jikelele wemvelo kanye nokukhishwa kwekhabhoni okuhambisana nokugcinwa kanye nokwakhiwa kabusha kwepayipi. Umjikelezo wokuphila owengeziwe wepayipi lensimbi elijikelezayo le-S355 JR unegalelo ngqo ohlelweni lwepayipi legesi oluhlala isikhathi eside nolunobungane nemvelo.

4. Thuthukisa ukusebenza kahle kwezokuthutha:

Ukusebenza kahle ekuthuthweni kwegesi yemvelo kuhilela ukunciphisa ukulahleka kwamandla kanye nokwandisa umthamo wokudlulisa. Isakhiwo somthungo ojikelezayo sepayipi lensimbi elijikelezayo le-S355 JR sivumela ukugeleza komoya okubushelelezi nokuqhubekayo, kunciphisa ukulahleka kokungqubuzana ngenkathi kukhulisa umthamo wokuthutha wepayipi. Ipayipi linobuso obufanayo bangaphakathi obuqinisekisa ukuguquguquka kokugeleza okuhle, ngaleyo ndlela kunciphisa ukusetshenziswa kwamandla kanye nokwandisa ukusebenza kahle. Ngaphezu kwalokho, uhlobo lwepayipi olulula lwenza ukuphathwa, ukuthuthwa kanye nokufakwa kube lula ukulawuleka, konga isikhathi kanye nezindleko ngesikhathi sokwakha.

Isiphetho:

Ukufaka ipayipi lensimbi elijikelezayo le-S355 JR ekwakhiweni kwepayipi legesi yemvelo kuye kwafakazelwa ukuthi kuthuthukisa ukusebenza kahle kwengqalasizinda. Amandla akhethekile, ukuqina kanye nezici zokuphepha zepayipi kwenza kube lula ukugeleza kwegesi yemvelo okungenamthungo, kunciphisa ingozi yezingozi, izingozi zemvelo kanye nezindleko zokulungisa. Ngokwenza ngcono ukusebenza kahle kwezokuthutha kanye nokunciphisa ukulahlekelwa kwamandla, ipayipi lidlala indima ebalulekile ekuhlangabezaneni nesidingo samandla esikhulayo ngenkathi lamukela imikhuba eqhubekayo. Ukutshala imali ezixazululweni ezintsha ezifana nepayipi lensimbi elijikelezayo le-S355 JR kubalulekile kohulumeni, embonini kanye nasemiphakathini ukuqinisekisa ukuhlinzekwa kwamandla okuthembekile nokusebenza kahle kanye nokuvula indlela yekusasa lamandla ahlanzekile.


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