Kukonza Kugwiritsa Ntchito Bwino kwa Zomangamanga ndi Chitoliro cha Chitsulo cha S355 JR Spiral: Kusintha kwa Ntchito Yomanga Mapaipi a Gasi Wachilengedwe Amakono

Kufotokozera Kwachidule:

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Cangzhou Spiral Steel Pipes Group Co., Ltd imapereka mapaipi achitsulo ozungulira okhala ndi dzenje lopanda kanthu.


Tsatanetsatane wa Zamalonda

Ma tag a Zamalonda

Chiyambi:

Kufunika kwakukulu kwa mphamvu zogwira ntchito bwino komanso zodalirika kwakhala nkhani yofunika kwambiri kwa maboma ndi mafakitale padziko lonse lapansi. Popeza mapaipi a gasi wachilengedwe ndiye njira yoyendetsera kayendedwe ka gasi wachilengedwe, kusankha zinthu za mapaipi ndikofunikira kwambiri kuti pakhale mphamvu yokhazikika komanso yosasunthika. Mu blog iyi, tifufuza momwe chitoliro chachitsulo cha S355 JR, chomwe chimadziwikanso kutichitoliro cha msoko wa helical, ikusintha kwambiri ntchito yomanga mapaipi a gasi lachilengedwe, ikukweza chitetezo, kulimba komanso kugwiritsa ntchito bwino mayendedwe.

Katundu wa Makina

kalasi yachitsulo

mphamvu yocheperako yopezera phindu
Mpa

Kulimba kwamakokedwe

Kutalikirana kochepa
%

Mphamvu yochepa kwambiri
J

Kunenepa kotchulidwa
mm

Kunenepa kotchulidwa
mm

Kunenepa kotchulidwa
mm

kutentha koyesedwa kwa

 

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

-

-

Kapangidwe ka Mankhwala

Kalasi yachitsulo

Mtundu wa de-oxidation a

% ndi kulemera, kuchuluka kwakukulu

Dzina lachitsulo

Nambala yachitsulo

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. Njira yochotsera poizoni m'thupi imatchulidwa motere:

FF: Chitsulo chophwanyika bwino chokhala ndi zinthu zomangira nayitrogeni mu kuchuluka kokwanira kumangirira nayitrogeni yomwe ilipo (monga osachepera 0,020% ya Al yonse kapena 0,015% ya Al yosungunuka).

b. Mtengo wapamwamba kwambiri wa nayitrogeni sugwira ntchito ngati mankhwala akuwonetsa kuchuluka kwa Al komwe kuli 0,020% ndi chiŵerengero chochepa cha Al/N cha 2:1, kapena ngati pali zinthu zina zokwanira zomangira N. Zinthu zomangira N ziyenera kulembedwa mu Chikalata Chowunikira.

Mayeso a Hydrostatic

Kutalika kulikonse kwa chitoliro kuyenera kuyesedwa ndi wopanga ku mphamvu ya hydrostatic yomwe ingapangitse kuti pakhoma la chitoliro pakhale mphamvu yosachepera 60% ya mphamvu yocheperako yopezeka pa kutentha kwa chipinda. Kupanikizika kuyenera kutsimikiziridwa ndi equation yotsatirayi:
P=2St/D

Kusintha Kovomerezeka kwa Kulemera ndi Miyeso

Kutalika kulikonse kwa chitoliro kuyenera kuyezedwa padera ndipo kulemera kwake sikuyenera kupitirira 10% kapena 5.5% pansi pa kulemera kwake kongopeka, kuwerengedwa pogwiritsa ntchito kutalika kwake ndi kulemera kwake pa unit level.
M'mimba mwake wakunja suyenera kusiyana kuposa ± 1% kuchokera m'mimba mwake wakunja wotchulidwa
Kukhuthala kwa khoma nthawi iliyonse sikuyenera kupitirira 12.5% ​​pansi pa makulidwe a khoma omwe atchulidwa

Helical welded chitoliro

1. Kumvetsetsa chitoliro chachitsulo chozungulira cha S355 JR:

Chitoliro chachitsulo chozungulira cha S355 JRYapangidwa ndi chitsulo chapamwamba cha S355JR ndipo ndi chitoliro chozungulira chomwe chapangidwira makamaka ntchito yomanga mapaipi a gasi. Kapangidwe ka msoko wozungulira kamapatsa payipi mphamvu yabwino komanso kusinthasintha, zomwe zimapangitsa kuti ikhale yoyenera kutumiza ndi kunyamula gasi wachilengedwe mtunda wautali. Kulimba kwake kumatsimikizira kukana zinthu zakunja monga kuyenda kwa nthaka, kuchita zivomerezi ndi dzimbiri la nthaka, motero kuonetsetsa kuti mapaipi a gasi wachilengedwe amakhala ndi moyo wautali komanso wodalirika.

2. Chitetezo choyamba:

Kudalirika ndi chitetezo cha mapaipi a gasi lachilengedwe ndizofunikira kwambiri pa moyo wa anthu ammudzi ndi chilengedwe. Mphamvu yapamwamba komanso kulimba kwa chitoliro chachitsulo cha S355 JR kumathandiza kwambiri kuchepetsa chiopsezo cha kutuluka kwa madzi, kusweka ndi ngozi zina. Chifukwa cha kapangidwe kake ka msoko wozungulira, kapangidwe ka chitolirocho kamakhalabe bwino ngakhale m'malo ovuta kapena nyengo yoipa kwambiri. Kuphatikiza chitolirochi mu dongosolo la mapaipi a gasi lachilengedwe kumachepetsa kwambiri kuthekera kwa zoopsa zachilengedwe ndipo kumalola kuti mpweya wachilengedwe utuluke mosalekeza kwa ogwiritsa ntchito.

3. Kulimba kwa zomangamanga zokhazikika:

Kulimba kwapamwamba kwa chitoliro chachitsulo chozungulira cha S355 JR kumatsimikizira kuti zomangamanga za mapaipi anu a gasi zimakhala zokhalitsa, zomwe zimasunga ndalama zokonzera ndi kusintha pakapita nthawi. Chitolirochi chimapangidwa ndi chitsulo chapamwamba cha S355JR, chomwe chili ndi kukana dzimbiri, kukana kugunda komanso kukana kuwonongeka. Kukana kumeneku kumachepetsa kukonzanso ndi kusintha, motero kumachepetsa kuwononga chilengedwe chonse komanso mpweya woipa womwe umakhudzana ndi kukonza ndi kumanganso mapaipi. Kukhalitsa kwa nthawi yayitali kwa chitoliro chachitsulo chozungulira cha S355 JR kumathandiza mwachindunji kuti mapaipi a gasi akhale okhazikika komanso osawononga chilengedwe.

4. Kuwongolera magwiridwe antchito a mayendedwe:

Kuchita bwino poyendetsa gasi lachilengedwe kumaphatikizapo kuchepetsa kutayika kwa mphamvu ndi kukulitsa mphamvu yotumizira. Kapangidwe ka msoko wozungulira wa chitoliro chachitsulo cha S355 JR chozungulira chimalola kuti mpweya uziyenda bwino komanso nthawi zonse, kuchepetsa kutayika kwa kukangana pamenenso kukulitsa mphamvu yoyendera ya chitolirocho. Chitolirocho chili ndi malo ofanana mkati mwake omwe amatsimikizira kuti kuyenda bwino kwa madzi kumayenda bwino, motero kuchepetsa kugwiritsa ntchito mphamvu ndikuwonjezera mphamvu. Kuphatikiza apo, kupepuka kwa chitolirochi kumapangitsa kuti kugwira ntchito, kunyamula ndi kukhazikitsa kukhale kosavuta, kusunga nthawi ndi ndalama panthawi yomanga.

Mapeto:

Kuyika chitoliro chachitsulo chozungulira cha S355 JR mu ntchito yomanga mapaipi a gasi kwatsimikiziridwa kuti kukuwongolera bwino zomangamanga. Mphamvu yapadera ya paipiyi, kulimba kwake, komanso chitetezo chake zimathandiza kuti mpweya wachilengedwe uyende bwino, kuchepetsa chiopsezo cha ngozi, zoopsa zachilengedwe, komanso ndalama zokonzera. Mwa kukonza bwino kayendedwe ka magetsi ndikuchepetsa kutayika kwa mphamvu, paipiyi imagwira ntchito yofunika kwambiri pakukwaniritsa kufunikira kwa mphamvu komwe kukukula komanso kugwiritsa ntchito njira zokhazikika. Kuyika ndalama mu njira zatsopano monga chitoliro chachitsulo chozungulira cha S355 JR ndikofunikira kwambiri kwa maboma, mafakitale, ndi madera kuti atsimikizire kuti pali magetsi odalirika komanso ogwira ntchito bwino komanso kuti pakhale tsogolo la mphamvu zoyera.


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