Pipe yeSimbi Yakasungirirwa Yesimbi Yesimba Risingaenzaniswi uye Kushanda Zvakanaka ASTM A252
Suma:
Kana zvasvika pakuvandudzwa kwezvivakwa, masisitimu emapombi chinhu chakakosha chinoita basa rakakosha mumaindasitiri akasiyana-siyana. Kushandisa zvinhu nematekiniki akakodzera mukuvaka mapaipi kunovimbisa kugara kwenguva refu, kusimba uye kuvimbika, uyepombi yesimbi yakasungirirwa yakatenderedzwa ASTM A252iri pamberi pekufambira mberi kwehunyanzvi uku. Mublog rino, tichanyatsoongorora hunhu hwakanaka uye mabhenefiti emapombi aya anoshamisa ave chinhu chikuru mumapurojekiti ekuvaka emazuva ano.
Hunhu hweMichina yePaipi yeSSAW
| giredhi resimbi | simba shoma regoho | Simba rekusimba zvishoma | Kureba Kushoma |
| B | 245 | 415 | 23 |
| X42 | 290 | 415 | 23 |
| X46 | 320 | 435 | 22 |
| X52 | 360 | 460 | 21 |
| X56 | 390 | 490 | 19 |
| X60 | 415 | 520 | 18 |
| X65 | 450 | 535 | 18 |
| X70 | 485 | 570 | 17 |
Kuumbwa kweMakemikoro eSSAW Pombi
| giredhi resimbi | C | Mn | P | S | V+Nb+Ti |
| % Yakanyanya | % Yakanyanya | % Yakanyanya | % Yakanyanya | % Yakanyanya | |
| B | 0.26 | 1.2 | 0.03 | 0.03 | 0.15 |
| X42 | 0.26 | 1.3 | 0.03 | 0.03 | 0.15 |
| X46 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X52 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X56 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X60 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X65 | 0.26 | 1.45 | 0.03 | 0.03 | 0.15 |
| X70 | 0.26 | 1.65 | 0.03 | 0.03 | 0.15 |
Kushivirira kweGeometric kweMapaipi eSSAW
| Kushivirira kwejiyometri | ||||||||||
| dhayamita yekunze | Ukobvu hwemadziro | kutwasuka | kusakwana-kutenderera | uremu | Kureba kwebead re weld kwakanyanya | |||||
| D | T | |||||||||
| ≤1422mm | ＞1422mm | 15mm | ≥15mm | pombi magumo 1.5m | kureba kwakazara | muviri wepombi | mugumo wepombi | T≤13mm | T ＞13mm | |
| ± 0.5% | sezvakabvumiranwa | ±10% | ±1.5mm | 3.2mm | 0.2% L | 0.020D | 0.015D | '+10% | 3.5mm | 4.8mm |
Kuedzwa kweHydrostatic
Simba Risingaenzaniswi uye Kugara Kwenguva Refu:
ASTM A252simbi yakasungirirwa yakasungirirwaYakagadzirwa nesimbi yemhando yepamusoro inosangana nezvinodiwa zveASTM A252. Mutemo uyu unovimbisa kusimba kwakanyanya uye kugara kwenguva refu kwemapombi, zvichiita kuti akwanise kushandiswa zvakasiyana-siyana kusanganisira kutapurirana kwemafuta negasi, nheyo dzekuisa mapombi uye zvivakwa zvemvura. Maweld eSpiral anowedzera kusimba uye kuramba kwemapombi kumasimba ekunze, zvichiita kuti agone kumira munzvimbo dzine kumanikidzwa kwakanyanya uye mamiriro ekunze akaoma.
Kushanda zvakanaka uye kushanda zvakanaka kwemari:
Chimwe chezvakanakira zvikuru zveASTM A252 spiral welded steel pombi ndechekugona kwayo kuisa nekushandisa zvakanaka. Dhizaini yayo ye spiral iri nyore kutakura nekubata nekuda kwehuremu hwayo hwakareruka kana tichienzanisa nezvimwe zvinhu zvepombi. Pamusoro pezvo, kuchinjika kwemapombi aya kunoita kuti zvive nyore kukotama, zvichideredza zvinodiwa zve fittings nema joints. Izvi hazvingochengetedzi nguva chete, asi zvinoderedzawo zvakanyanya mari yekuisa, zvichiita kuti rudzi urwu rwe ductwork ruve mhinduro inoshanda pamari yakawanda yemapurojekiti akasiyana-siyana.
Kudzivirira ngura zvakanyanya:
Kuora idambudziko guru mumapaipi, kunyanya mumaindasitiri anobata makemikari nezvinhu zvinoparadza. ASTM A252 standard inoita kuti mapaipi esimbi akasungirirwa arambe akasimba. Mapaipi aya ane machira ekudzivirira akadai se epoxy kana zinc anoshanda sechipingamupinyi kune zvinoparadza, zvichiwedzera hupenyu hwawo hwekushanda uye zvichideredza mari yekugadzirisa. Izvi zvinobatsira zvikuru mumashandisirwo epasi pevhu kana kunze kwegungwa uko mapaipi anobatwa nemamiriro ekunze akaomarara.
Kukwanisa kutakura kwakanyanya:
Chimwe chinhu chakakosha cheASTM A252 spiral welded steel pombi kugona kwayo kutakura mutoro. Tekinoroji ye spiral welding inoshandiswa mukugadzira inowedzera simba repombi uye kugona kwayo kutsungirira mitoro inorema. Ingave ichishandiswa mukuvaka mabhiriji, nheyo dzezvivakwa kana mapaipi epasi pevhu, mapaipi aya anopa hunhu hwakanaka, anoderedza njodzi yekukundikana uye achivimbisa kuchengetedzeka kwenguva refu kwemapurojekiti akasiyana-siyana ezvivakwa.
Kuchengetedza nharaunda:
Munguva ino apo kuchengetedzwa kwezvakatipoteredza kuri nyaya yepasi rose, kusarudza zvinhu zvekuvaka zvakakodzera kwakakosha. Pombi yesimbi yakasungirirwa nesimbi inonzi ASTM A252 inoenderana nemaitiro ekuvaka anogara kwenguva refu nekuda kwekugara kwayo kwenguva refu uye kugona kudzokororwa. Mapombi aya anogara kwenguva refu uye anogona kudzokororwa zviri nyore pakupera kwehupenyu hwawo, zvichideredza kudiwa kwekutorwa kwezvinhu zvitsva ukuwo zvichideredza marara necarbon emissions.
Mukupedzisa:
Pombi yesimbi yakasungirirwa nesimbi inonzi ASTM A252 yakachinja indasitiri yepombi nesimba rayo guru, kugara kwenguva refu uye kushanda zvakanaka kwemari. Mapombi aya anosangana kana kupfuura mwero weindasitiri, zvichiita kuti ave sarudzo yekutanga mumaindasitiri akasiyana-siyana. Kugona kwayo kutakura mutoro kwakanaka uye kuramba ngura zvinovimbisa kukura kwenguva refu kwemapurojekiti ezvivakwa uye zvinobatsira mukusimudzira indasitiri yepasi rose. Nekushandisa mapombi aya, mapurojekiti ekuvaka anogona kuwedzera kushanda zvakanaka, kuderedza mari uye kuona kuti akavimbika kwenguva refu uku achitevedzera kuchengetedzeka kwezvakatipoteredza.
