Tibatei kuti muwane magadzirirwo emapaipi esimbi matsva uye saizi dzawo.
Mapombi esimbi eASTM A252 Gr.1/2/3 - Kuvaka & Kufamba Mugungwa
| Chiyero Chezvinhu | ASTM A252 Giredhi 1, Giredhi 2, Giredhi 3 |
| Simba reGoho | ≥207 MPa |
| Saizi / Saizi | Dhayamita yekunze: 219 mm - 3000 mm (inogona kugadziriswa) |
| Ukobvu hwemadziro | 6 mm – 40 mm (inogona kugadziriswa) |
| Kureba | Nzvimbo ye6 m & 12 m; Hurefu hwakagadziriswa huripo |
| Rudzi rwepaipi / Kukwevera | SSAW (Spiral Submerged Arc Welded) / LSAW (Longitudinal SAW / EFW) |
| Kushivirira kweDimensional | Inoenderana neASTM A252 |
| Chitupa Chemhando Yepamusoro | Mushumo weKuongorora weISO 9001; SGS / BV Wechitatu Unowanikwa |
| Kupedzisa Kwepamusoro | Oiri nhema, FBE, 3PE, kana Custom Coating |
| Mashandisirwo | Kuvaka nheyo, mabhiriji, zviteshi zvengarava, mapurazi emhepo emugungwa nekunze kwegungwa, mapurojekiti makuru einjiniya yezvivakwa |
Ruzivo rweUnyanzvi
Mapombi esimbi eASTM A252Kuumbwa kweMakemikari
| Chinhu | Zviri Mukati (%) |
| Kabhoni (C) | 0.26 yakakwira |
| Manganese (Mn) | 0.85 – 1.60 |
| Phosphorus (P) | 0.04 yakakwira |
| Sarufa (S) | 0.05 yakakwira |
| Silikoni (Si) | 0.10 – 0.35 |
| Mhangura (Cu) | 0.20 – 0.30 (sarudzo yekudzivisa ngura) |
Mapombi esimbi eASTM A252Zvivakwa zveMechanical
| Pfuma | Chinodiwa / Kukosha |
| Simba reKubereka (Min) | 207 MPa (30 ksi) |
| Simba reKusimba | 345 – 455 MPa (50-66 ksi) |
| Kureba (mu 200 mm) | ≥20% |
| Kuedzwa kweMhedzisiro (Charpy V-Notch) | Hazvisungirwi kune ese masayizi; zvingasarudzwa kune mapurojekiti anodziya zvishoma kana ari kunze kwegungwa |
| Kuoma | Brinell yakajairika: 110–180 HB |
| Pfuma | Giredhi 1 | Giredhi 2 | Giredhi 3 |
| Simba Rishoma reGoho | 30,000 psi (207 MPa) | 35,000 psi (241 MPa) | 45,000 psi (310 MPa) |
| Simba Rishoma Rekusimba | 50,000 psi (345 MPa) | 60,000 psi (415 MPa) | 66,000 psi (455 MPa) |
| Kureba Kushoma (geji ye 2-inch) | 18% | 14% | 20% |
Mapombi eASTM A252Saizi
| Magadzirirwo Akajairika Ekutumira Kunze (Giredhi 3 Anonyanya Kufarirwa) | |||||
| NPS | OD (mm) | Ukobvu hwemadziro | Kurema (kg/m2) | Purogiramu Yakajairika | Kushandiswa Kwakakosha |
| 16" | 406.4 | 0.375" (9.52mm) | 92.5 | STD | Zviteshi zvechiteshi, kuvakwa kwakajairika |
| 16" | 406.4 | 0.500" (12.70mm) | 121.8 | 40 | Nheyo dzemhepo dziri kunze kwegungwa, maburiro emabhiriji |
| 18" | 457 | 0.500" (12.70mm) | 137.4 | 40 | Zvivako zvemaindasitiri zvinorema, nheyo dzakadzika |
| 24" | 609.6 | 0.500" (12.70mm) | 183.2 | 40 | Mapombi makuru, zvivakwa zvegungwa |
| 24" | 609.6 | 0.750" (19.05mm) | 271.8 | XS | Zvishandiso zvinorema zvakanyanya, kutyaira dombo |
| 30" | 762 | 0.625" (15.88mm) | 287.5 | 40 | Mapuratifomu ekunze, nheyo dzeLNG terminal |
| 36" | 914.4 | 0.750" (19.05mm) | 392.3 | 40 | Mapurojekiti makuru, mabhiriji ekuyambuka gungwa |
| Maitiro Ekugadzira vs. Kugona Kwehukuru | |||||
| Maitiro | OD Yakanyanya (mm) | Huremu Hwakanyanya (mm) | Hurefu hwehurefu (m) | Kushanda Nemutengo Wakanaka | Zvakanakira |
| SSAW (Spiral) | 3200 | 30 | 6-18 | Yepamusoro-soro | Dhayamita hombe, ukobvu hwemadziro huri pakati nepakati (16"-48") |
| LSAW (JCOE) | 1422 | 50 | 6-15 | Yakakwirira | Madziro akakora zvakanyanya (≥1.0"), anodiwa nesimba rakawanda |
| ERW | 660 | 25 | 6-12 | Pakati nepakati | Diki kusvika pakati nepakati, ukobvu hwemadziro hwakajairika |
| Musono | 1016 | 100 | 6-12 | Yakaderera | Mashandisirwo akakosha, nharaunda dzinoparadza |
Dzvanya Bhatani riri Kurudyi
Pamusoro peSimbi Nhema
Kupera kwesimbi nhema kwakajairika isarudzo inoshanda uye isingadhuri pakuvaka mukati menyika. Inoshanda zvakanaka kumapurojekiti ekuvaka anoda kucheka, kusanganisa, kana mamwe magadzirirwo echipiri panzvimbo yacho, zvichipa mukana wakanaka wekushanda nenheyo dzemazuva ano.
Kuputira kweFusion Bonded Epoxy (FBE)
Kuputira kweFBE kunoshanda sechidziviriro chakasimba chekudzivirira chine jira rimwe chete. Kunodzivirira zvakanyanya kubva mukukuvadzwa kwemakemikari uye kukuvadzwa pamusoro, zvichipa dziviriro yakavimbika uye inogara kwenguva refu yesimbi yepasi pevhu neyemaindasitiri.
Sisitimu Yekuputira ye3PE
Chipfeko chepamusoro che3PE multi-layer inodzivirira yakasimba yakavakwa nezvikamu zvitatu zvinoshanda, zvinosanganisira epoxy primer base, bonding adhesive layer, uye shield yakasimba yepolyethylene outer. Chimiro ichi chine zvidimbu chinowedzera kusimba kwese uye kugona kuchinjika kwezvakatipoteredza, zvichiita kuti ive sarudzo inosarudzwa yemabasa egungwa egungwa, zvivakwa zvekunze, uye mapurojekiti epasi pemapaipi akavigwa.
Masisitimu Ekudzivirira Akagadzirwa Nemunhu
Tinopa mhinduro dzakagadzirwa zvakakwana kuti dzienderane nemamiriro akasiyana epurojekiti. Maitiro ese ekudzivirira pamusoro anogona kugadziriswa zvichienderana nemamiriro chaiwo enzvimbo, kusanganisira hunhu hwevhu remuno, huwandu hwemunyu wemvura nemunyu, hupenyu hwebasa rakanangana, pamwe nekugadzirwa kwepurojekiti yega yega uye zvinodiwa zvehunyanzvi.
1. Nheyo dzeMadziro ePasi pevhu:Kuvakwa kwepasi pevhu kwezvivakwa zvirefu, mafekitori, matura, zvivakwa zvemabhizinesi nedzimba dzekugara. Nheyo dzemadura (marudzi ese ekuvaka zvivakwa).
2. Nheyo dzeBridge Pile:Nheyo dzakagadzirwa nemabhiriji emigwagwa mikuru, mabhiriji enjanji, uye nzira dzemumaguta. Nheyo dzakagadzirwa nemabhiriji erwizi, dhamu negungwa.
3. Kuvakwa kweChiteshi:Nheyo dzinotakura mutoro dzezviteshi zvechiteshi, nzvimbo dzekutakura ngarava nemapureti echiteshi. Mabasa ekutakura zvinhu zvinorema nemidziyo inorema.
4. Mapurojekiti ekugadzira magetsi emhepo neinjiniya yegungwa:Nheyo dzematurbine emhepo ari kunze kwenyika. Dhizaini yekutsigira mapuratifomu ari kunze kwenyika, mapaipi ari kunze kwenyika, mapaipi ari kunze kwenyika, madziro egungwa uye panguva imwe chete Mudzimba dzekugara Kuramba mafungu, kuramba mafungu, uye ngura yegungwa.
5. Mainjiniya Ekuvaka Akakura:Nheyo dzakasimba dzine mirwi yakafara yemabasa makuru einjiniya yezvivakwa (madhamu, zviteshi zvepasi pevhu, uye matunnel). Rutsigiro rwemichina yeindasitiri nemitoro yezvivakwa.
1) Hofisi yeBazi - rubatsiro rwevanhu vanotaura chiSpanish, rubatsiro rwekubvisa zvinhu kubva kumitero, nezvimwewo.
2) Matani anopfuura 5,000 emutoro aripo, ane saizi dzakasiyana-siyana
3) Inoongororwa nemasangano ane chiremera akadai seCCIC, SGS, BV, uye TUV, ine mapurasitiki akajairika anokodzera kufamba mugungwa
1 Kurongedza:Matambiro esimbi ekubata zviri nyore. Mabhuroko emapuranga kana kuti dunnage anoiswa pakati pemaburi emiti kudzivirira kuchinja kwenhengo panguva yekutumira. Kugadzirisa pamusoro (sarudzo): Pendi nhema, mafuta ekudzivirira ngura, firimu repurasitiki. Makomba esimbi anogonawo kuputirwa mufirimu repurasitiki rekudzivirira kwenguva pfupi kudzivirira kukwenya pamusoro. Kurongedza kwakagadzirwa kunowanikwa.
2 Ruzivo rweKutumirwa:Hurefu Hwakajairika Huripo: 6m, 12m. Hurefu: hwakajairika uye hwakajairwa. Hunouya neSea Rail uye Mugwagwa Kushanda Kwazvo. Zvakakodzera kutakura zvinhu mugungwa, muchitima kana mumugwagwa, zvakare zvakasimba pakushandisa mumigwagwa. Nguva yekutumira zvinhu mazuva gumi nemashanu kusvika makumi matatu mushure mekugamuchira muripo, zvichienderana nehuwandu uye zvakatsanangurwa. Zvinoshanda kune dzimwe nyika, nemagwaro akazara (Test Certificate, Packing List, Bill of Lading).
3 Nzira dzekudzivirira:Usashandise zvirembe kana zvikorekedzo zvisina mapedhi kuti ubate zvakananga pamusoro pepombi izvo zvinogona kukonzera kuchinja kwepombi. Chengeta munzvimbo inotonhorera, yakaoma uye ine mhepo yakanaka. Kudzivirira ngura usati waisa. Mitoro yakakura uye yakakora inofanira kutevedzera mitemo yekutakura zvinhu yemuno.
Mubvunzo 1: Chii chinonziASTM A252 murwi wepombi yesimbi?
Ipombi dzesimbi dzinoshandiswa pakuboorera, nheyo, mabhiriji, madoko, uye nzvimbo yekuvaka.
Mubvunzo wechipiri: Ndezvipi zviratidzo zviripo?
Giredhi 1, 2, uye 3 - Gr.1 inoshandiswa pakurerutsa zvinhu zvishoma, Gr.2 inoshandiswa pakuvaka kwakajairika, Gr.3 inoshandiswa pakuomesa zvinhu zvakanyanya.
Mubvunzo 3: Une saizi dzipi?
Dhayamita: 4"–24" (114–610mm)
Ukobvu hwemadziro: 5–25mm
Kureba: 6–12m kana zvichienderana nezvaunoda
Mubvunzo wechina: Mapombi aya anopendwa nependi here?
Ehe - Yakanyudzwa nesimbi inopisa, yakaputirwa ne epoxy kana kuti yakapendwa kudzivirira ngura.
Mubvunzo 5: Ndechipi chitupa chinopihwa?
Mirwi yese inosanganisira yekuongorora kweMTC yechitatu iripo.
Mubvunzo 6: Mapombi anotumirwa sei?
Yakasungirirwa netambo dzesimbi
Kutumirwa kwezvinhu zvakawanda kana mapallet emapuranga.
Nemavharo ekupedzisira uye kurapwa kwekudzivirira ngura
Mubvunzo 7: Ndingawana saizi dzakagadzirirwa here?
Ehe tinogona kukupa dhayamita, kureba uye mamakisi akagadzirirwa purojekiti yako.
Mubvunzo 8: Ungasarudza sei giredhi rakakodzera?
Zvichienderana nekukwanisa kurema, mamiriro evhu uye mashandisirwo ekuvaka. Rutsigiro kubva kumainjiniya.
Mubvunzo 9: Ndeipi nguva yekutumira yakajairika?
Mazuva 15–30, zvichienderana nehuwandu uye magadzirirwo azvo.
Ruzivo rwekuonana
Kero
Nzvimbo yeindasitiri yekuvandudza Kangsheng,
Wuqing dunhu, Tianjin guta, China.
Runhare
Maawa
Muvhuro-Svondo: Basa remaawa makumi maviri nemana











