Tibatei kuti muwane magadzirirwo emapaipi esimbi matsva uye saizi dzawo.
Kuronga Mapaipi eSimbi eASTM A252 - Gr.1, Gr.2, Gr.3 | Kushandisa Bhiriji, Doki & Nheyo
| Chimiro 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 | Dema, Yakanyudzwa Zvakanyanya, Yakapendwa, kana Yakagadziriswa |
| 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
1. Nheyo dzeMadziro ePasi pevhu:Nheyo dzakadzika dzezvivakwa zvirefu, mafekitori, matura, zvivakwa zvemabhizinesi nedzimba dzekugara. Nheyo dzakaita sedura (dzakakodzera marudzi ese ezvivakwa).
2. Nheyo dzeBridge Pile:Nheyo dzinotakura mutoro dzemabhiriji emigwagwa mikuru, mabhiriji ezvitima, uye nzira dzemumaguta. Dzorerai nheyo dzemabhiriji anoyambuka rwizi, dhamu, uye mabhiriji anoyambuka gungwa.
3. Kuvakwa kweChiteshi:Nheyo dzinotakura mutoro dzezviteshi zvechiteshi, nzvimbo dzekuvaka ngarava, uye mapuratifomu echiteshi. Midziyo inorema uye nzvimbo dzekutakura zvinhu zvechiteshi.
4. Mapurojekiti eMagetsi eMhepo neMainjiniya eMugungwa:Nheyo dzematurbine emhepo ari kunze kwegungwa. Dhizaini yekutsigira mapuratifomu ari kunze kwegungwa, mapaipi ari kunze kwegungwa, madziro egungwa, nezvimwewo. Kuramba mafungu, kuramba mafungu, uye kuramba ngura mugungwa.
5. Mainjiniya Ekuvaka Akakura:Nheyo dzakadzika dzine mirwi yakakura yemapurojekiti makuru einjiniya yezvivakwa (senge 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:Mabhande esimbi ekubata zviri nyore. Mabhuroko emapuranga kana dunnage anoiswa pakati pemaburi emiti kudzivirira kuchinja kwenhengo panguva yekutakura. Kugadzirisa pamusoro (sarudzo): Pendi nhema, mafuta ekudzivirira ngura, firimu repurasitiki. Mapombi egirazi anonyudzwa mumvura inopisa anogona kuputirwa nefirimu rekudzivirira kwenguva pfupi kudzivirira kukwenya pamusoro. Mapakeji akagadzirwa anogona kupihwa.
2 Kutumirwa:Kureba kwemidziyo yakajairika: 6m, 12m. Inowanikwa muhurefu hwakasiyana. Inouya neSea Rail neRoad Applicable. Inokodzera kutakura zvinhu mugungwa, njanji kana mugwagwa. Nguva yekutumira inowanzo kuve mazuva 15-30 mushure mekugamuchira muripo, zvichienderana nehuwandu uye zvakatsanangurwa. Inokodzera kutengeswa kunze kwenyika pasi rese, ine gwaro rakazara (chitupa chekuongorora, runyorwa rwekurongedza, bhiri rekutakura zvinhu).
3 Nzira dzekudzivirira pakubata:Usashandise zvirauro kana zvikorekedzo zvisina mapedhi kuti zvishande zvakananga pamusoro pepombi kudzivirira kuti pombi isakanganiswe. Chengeta munzvimbo inotonhorera, yakaoma uye ine mhepo yakanaka, dzivisa ngura usati waisa. Kutumira zvinhu zvakakura uye zvinorema zvakanyanya ndapota tevedzera mitemo yekutumira zvinhu munharaunda.
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
Kutakura zvinhu 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











