Kuvandudza Kushanda Zvakanaka Kwezvivakwa Nemapaipi Esimbi Akaita SeS355 JR: Kuchinja Kwebasa Rekuvaka Mapaipi Egasi Rechisikigo Emazuva Ano
Nhanganyaya:
Kuwanda kwekuda simba rinoshanda uye rakavimbika kwave chinhu chakakosha kuhurumende nemaindasitiri pasi rose. Sezvo mapaipi egasi rechisikigo ari iwo magumo ekufambisa gasi rechisikigo, kusarudzwa kwezvinhu zvepaipi kwakakosha pakuona kuti simba rinopa simba rakakwana uye rinogara kwenguva refu. Mublog rino, tinoongorora kuti pombi yesimbi yeS355 JR spiral, inozivikanwawo sepombi yemusono inotenderera, iri kuchinja kuvakwa kwemapaipi egasi rechisikigo, ichivandudza kuchengetedzeka, kugara kwenguva refu uye kushanda zvakanaka kwekutakura.
Zvivakwa zveMechanical
| giredhi resimbi | simba shoma regoho | Simba rekusimba | Kureba kushoma | Simba shoma remagetsi | ||||
| Ukobvu hwakatarwa | Ukobvu hwakatarwa | Ukobvu hwakatarwa | patembiricha yekuyedzwa 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 | - | - | |||||
Kuumbwa kweMakemikari
| Giredhi resimbi | Rudzi rwekubvisa oxidation a | % nehuremu, huwandu hwepamusoro | ||||||
| Zita resimbi | Nhamba yesimbi | 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. Nzira yekubvisa oxidation inotsanangurwa seinotevera: FF: Simbi yakafa zvizere ine zvinhu zvinosunga nitrogen muhuwandu hwakakwana kuti isunge nitrogen iripo (semuenzaniso 0,020% yeAl yose kana 0,015% yeAl inonyungudika). b. Kukosha kwakanyanya kwenitrogen hakushandi kana makemikari ari muchikamu ichi achiratidza huwandu hweAl hushoma hwe0,020% nechiyero cheAl/N che2:1, kana kana paine zvimwe zvinhu zveN-binding zvakakwana. Zvinhu zveN-binding zvinofanira kunyorwa muGwaro reKuongorora. | ||||||||
Kuedzwa kweHydrostatic
Kureba kwepaipi imwe neimwe kunofanira kuyedzwa nemugadziri kusvika pakumanikidzwa kwemvura kuchaita kuti pamadziro epaipi pave nekumanikidzwa kusingasviki 60% yesimba remubereko rakatarwa patembiricha yemumba. Kumanikidzwa kunofanira kutsanangurwa nemuenzaniso unotevera:
P=2St/D
Kusiyana Kunobvumidzwa Muhuremu neMakuriro
Kureba kwepombi imwe neimwe kunofanira kuyerwa zvakasiyana uye huremu hwayo hahufanirwe kusiyana ne10% pamusoro kana 5.5% pasi pehuremu hwayo hwepfungwa, zvichiverengerwa uchishandisa hurefu hwayo nehuremu hwayo pahurefu hweyuniti imwe neimwe.
Dhayamita yekunze haifanirwe kusiyana kupfuura ±1% kubva padhayamita yekunze yakatarwa.
Ukobvu hwemadziro chero nguva hahufanirwe kupfuura 12.5% pasi peukobvu hwemadziro hwakatarwa
1. Nzwisisa pombi yesimbi inotenderera yeS355 JR:
S355 JR spiral steel pipeYakagadzirwa nesimbi yepamusoro yeS355JR uye ipombi yemusono inotenderera yakagadzirirwa kushandiswa pakuvaka mapaipi egasi. Chimiro chemusono chinotenderera chinopa pombi simba rakanaka uye kuchinjika, zvichiita kuti ive yakakodzera kutakurwa kwegasi rechisikigo kure. Kusimba kwayo kunovimbisa kuramba zvinhu zvekunze zvakaita sekufamba kwepasi, kudengenyeka kwenyika uye ngura yevhu, nokudaro ichivimbisa kugara kwenguva refu uye kuvimbika kwehurongwa hwemapaipi egasi rechisikigo.
2. Kuchengetedzwa kutanga:
Kuvimbika uye kuchengetedzeka kwemapaipi egasi rechisikigo kwakakosha pakugara zvakanaka kwenharaunda nenzvimbo. Simba guru uye kugara kwenguva refu kwepaipi yesimbi inotenderera yeS355 JR kunoita basa rakakosha mukuderedza njodzi yekudonha kwemvura, kupwanyika uye tsaona dzinotevera. Nekuda kwekuvakwa kwayo kwemusono unotenderera, chimiro chepaipi iyi chinoramba chakasimba kunyangwe munzvimbo dzakaoma kana mamiriro ekunze akaipisisa. Kuisa paipi iyi muhurongwa hwepaipi yegasi rechisikigo kunoderedza zvakanyanya mukana wenjodzi dzezvakatipoteredza uye kunobvumira kuyerera kwegasi rechisikigo kusingadzoreki kune vashandisi vekupedzisira.
3. Kugara kwenguva refu kwezvivakwa zvinogara kwenguva refu:
Kugara kwenguva refu kwepombi yesimbi inotenderera yeS355 JR kunoita kuti pave nekugara kwenguva refu kwenzvimbo yako yepombi yegesi, zvichichengetedza mari yekugadzirisa nekugadzirisa nekufamba kwenguva. Pombi iyi yakagadzirwa nesimbi yemhando yepamusoro yeS355JR, iyo inodzivirira ngura, inodzivirira kukuvadzwa uye inodzivirira kupfekwa. Kuramba uku kunoderedza kugadziriswa nekutsiviwa, nokudaro zvichideredza kukanganisa kwezvakatipoteredza uye kuburitswa kwekabhoni kunokonzerwa nekugadzirisa nekuvakazve pombi. Kugara kwenguva refu kwepombi yesimbi inotenderera yeS355 JR kunobatsira zvakananga kune sisitimu yepombi yegesi inogara kwenguva refu uye ine hushamwari kune zvakatipoteredza.
4. Kuvandudza mashandiro ekufambisa:
Kushanda zvakanaka kwekufambisa gasi rechisikigo kunosanganisira kuderedza kurasikirwa kwesimba uye kuwedzera kugona kwekutumira. Chimiro chemusono weS355 JR spiral steel pipe chinobvumira kufamba kwemhepo kwakapfava uye kwakasimba, zvichideredza kurasikirwa kwekukweshana ukuwo zvichiwedzera kugona kwekufambisa kwepaipi. Pombi iyi ine nzvimbo yemukati yakafanana inoita kuti kufamba kwemvura kuende zvakanaka, nokudaro ichideredza kushandiswa kwesimba uye kuwedzera kushanda zvakanaka. Pamusoro pezvo, hunhu hwepaipi iyi hwakareruka hunoita kuti kubata, kutakurwa uye kuiswa kuve nyore, zvichichengetedza nguva nemari panguva yekuvaka.
Mhedziso:
Kuisa pombi yesimbi inotenderera yeS355 JR mukuvaka pombi yegesi yechisikigo kwakaratidzwa kuti kunovandudza kushanda zvakanaka kwezvivakwa. Simba rayo guru, kugara kwenguva refu uye kuchengetedzeka kwayo zvinoita kuti gasi rechisikigo rifambe zvakanaka, zvichideredza njodzi dzetsaona, njodzi dzezvakatipoteredza uye mari yekugadzirisa. Nekuvandudza kushanda zvakanaka kwekufambisa uye kuderedza kurasikirwa nesimba, pombi iyi inoita basa guru mukuzadzisa kudiwa kwesimba kuri kukura uku ichigamuchira nzira dzinogara kwenguva refu. Kuisa mari mumhinduro itsva dzakadai sepombi yesimbi inotenderera yeS355 JR kwakakosha kuhurumende, maindasitiri nenharaunda kuti vave nechokwadi chekuwanikwa kwesimba rakavimbika uye rinoshanda zvakanaka uye kugadzira nzira yeramangwana resimba rakachena.











