GB/T 14291 Kauv Submerged Arc Welded (SSAW) Yeeb Nkab
GB/T 14291yog Suav teb chaws tus qauv rau"Welded steel kav rau kuv cov kua dej"[siv: 1, citation: 4, citation: 5]. Cov txheej txheem no tshwj xeeb yog siv rau cov kav dej hauv qab welded (SSAW / HSAW) cov kav dej siv hauv cov ntawv thov tsuas yog siv rau kev thauj cov kua dej xws li dej, slurry, thiab huab cua hauv siab.
📋 Standard Overview
| Yam ntxwv | Kev piav qhia |
|---|---|
| Standard Number | GB/T 14291(tag nrho lub npe: "Mine fluid service electric welded steel pipes") [citation:1, citation:4] |
| Cov xwm txheej tam sim no | Lub 2006 version (GB/T 14291-2006) yog teev raws li"hloov"nyob rau hauv cov ntaub ntawv official. Ib qho qub xyoo 1993 (GB/T 14291-1993) kuj muaj. |
| Daim ntawv thov tseem ceeb | Kev pabcuam dej hauv av - suav nrog dewatering, qhov cua, pneumatic conveying, slurry thauj, thiab lwm yam mining kua tuav tshuab [citation: 4, citation: 5, citation: 6] |
| Hom yeeb nkab | Electric welded steel yeeb nkab- suav nrog kauv submerged arc welded (SSAW / HSAW) kav [citation: 4, citation: 5] |
🔧 Kev Tsim Khoom
GB / T 14291 kauv submerged arc welded kav yog tsim los siv cov txheej txheem hauv qab no [citation: 2, citation: 3]:
Raw Khoom: Kub- dov steel coils lossis nqaim steel ntawv
Kev tsim: Cov hlua hlau yog muab kauv- ua rau hauv cov duab cylindrical ntawm chav tsev kub
Vuam: Ob chav -sab submerged arc vuam (sab hauv thiab sab nraud) tsim cov kauv seam
Kev sim: Tsis yog -kev kuaj kev puas tsuaj, kev sim hydrostatic, thiab kev soj ntsuam qhov ntev
Ua tiav: Xaus kev npaj thiab txheej txheej raws li xav tau
📏 Hom Loj Loj
Raws li cov ntaub ntawv chaw tsim khoom rau SSAW kav dej haum rau GB / T 14291 daim ntawv thov [citation: 2, citation: 4, citation: 5]:
| Parameter | Hom kab mob |
|---|---|
| Sab nraud txoj kab uas hla | 219mm txog 3620mm (kwv yees . 8" rau 142") |
| Phab ntsa Thickness | 3.2mm txog 40mm (txog 25.4mm ntau) |
| Ntev | 3m txog 18m (Customizable) |
⚙️ Cov Qib Khoom
Cov kav dej tsim los rau GB / T 14291 feem ntau siv cov qib carbon steel tsim nyog rau qhov chaw mining. Cov ntaub ntawv muaj xws li [citation: 4, citation: 5, citation: 6]:
| Khoom siv | Kev piav qhia |
|---|---|
| Q195 / Q215 | Tsawg zog, kev xaiv kev lag luam rau kev thov tsawg dua |
| Q235 | Cov khoom siv ntau tshaj plaws - carbon structural steel nrog zoo weldability |
| Q345 | Kev xaiv lub zog siab dua rau kev thov kev siv mining ntau dua |
🏭 Cov ntawv thov hauv Mining
GB / T 14291 kauv welded kav yog tsim tshwj xeeb rau [citation: 4, citation: 5, citation: 6]:
| Daim ntawv thov | Kev piav qhia |
|---|---|
| Kuv Dewatering | Tso dej hauv av tawm ntawm kuv txoj haujlwm |
| Qhov cua tshuab | Cua muab thiab tso pa tawm hauv av mines |
| Pneumatic Conveying | Kev thauj cov khoom siv compressed cua |
| Slurry Thauj | Kev txav ntawm ore / dej sib tov |
| Compressed Cua Kab | Lub zog pneumatic mining khoom |
| Tiv thaiv hluav taws | Mine hluav taws tua hluav taws systems |
🔍 Qhov txawv ntawm Cov Qauv Txheej Txheem
| Txuj | Daim ntawv thov | Qhov txawv tseem ceeb |
|---|---|---|
| GB/T 14291 | Kev pabcuam kua dej | Tshwj xeeb tshaj yog rau mining ib puag ncig uas muaj peev xwm puas thiab xav tau tej yam kev mob [citation: 4, citation: 5] |
| GB/T 3091 | Tsawg- kev pabcuam kua dej | Lub hom phiaj dav dav (dej, huab cua, roj) - xav tau tsawg dua li kev siv mining [citation: 1, citation: 4, citation: 6] |
| GB/T 9711 | Petroleum thiab natural gas pipelines | Kev siab dua, nruj dua qhov yuav tsum tau ua rau roj / roj kis tau tus mob [citation: 4, citation: 5] |
| SY/T 5037 | Tsawg- cov kav dej siab | Kauv welded kav rau qhov qis dav - kev pabcuam siab [citation:4, citation:5] |
📝 Cov ntsiab lus tseem ceeb
Txheem xwm txheej: Tus qauv GB / T 14291 tau teev tseg raws li tau hloov kho / hloov. Thaum qhia meej, txheeb xyuas qhov siv tau tam sim no nrog cov neeg xa khoom.
Cov npe ntawm cov chaw tsim khoom: Ntau cov yeeb nkab steel manufacturers sau GB / T 14291 hauv lawv cov khoom muab rau SSAW cov kav dej npaj rau kev siv cov kua dej [citation: 2, citation: 4, citation: 5].
Kev xeem yuav tsum tau: Cov kav dej rau cov ntawv thov mining feem ntau yuav tsum tau ua nruj me ntsis tsis yog - kev sim ua kom puas tsuaj thiab ntsuas qhov ntsuas hydrostatic kom ntseeg tau tias muaj kev ntseeg siab hauv qhov xav tau ib puag ncig.
Kev tiv thaiv corrosion: Rau cov ntawv thov mining uas muaj cov kua dej corrosive lossis ib puag ncig, cov txheej txheem ntxiv (epoxy, galvanizing, thiab lwm yam) yuav raug teev tseg.
💡 Summary
GB / T 14291 kauv submerged arc welded kavtshwj xeeb yog tsim los rau cov kev xav tau ntawm cov mining kua tuav tshuab. Lawv muab cov txiaj ntsig kev lag luam tsim khoom ntawm kauv vuam (SSAW / HSAW) nrog cov qib khoom tsim nyog rau mine dewatering, qhov cua, thauj slurry, thiab lwm yam kev siv mining. Thaum qhia txog cov kav dej no, xyuas kom koj txheeb xyuas cov qauv tam sim no thiab xaiv cov khoom tsim nyog (Q235, Q345) raws li koj qhov kev xav tau tshwj xeeb thiab ib puag ncig [citation: 2, citation: 4, citation: 5, citation: 6].
