Hauv kev tsim cov raj xa hluav taws xob, kev xaiv cov khoom siv thiab cov txheej txheem vuam yog qhov tseem ceeb rau kev ua kom muaj kev nyab xeeb thiab ua haujlwm zoo. SSAW (Spiral Submerged Arc Welded) steel yeeb nkab yog ib qho ntawm cov khoom siv feem ntau hauv kev lag luam. Hauv tsab ntawv tshaj tawm no, peb yuav tshawb nrhiav qhov tseem ceeb ntawm cov txheej txheem vuam kom zoo rau kev teeb tsa cov pa roj carbon monoxide siv SSAW steel yeeb nkab thiab muab cov lus qhia yooj yim rau kev nkag siab qhov tseem ceeb ntawm kev tsim cov kav dej.
SSAW Steel Pipe yog dab tsi?
SSAW steel yeeb nkabyog tsim los ntawm spirally welded steel strips los tsim muaj zog, ruaj khov loj-inch yeeb nkab. Hom yeeb nkab no tshwj xeeb tshaj yog nrov hauv kev lag luam roj thiab roj vim nws tsis kam mus rau kev kub siab thiab corrosion. Nws cov txheej txheem tsim khoom siv submerged arc vuam, uas ua kom huv si thiab muaj zog welds, ua rau nws zoo tagnrho rau cov kev siv tseem ceeb xws li cov kav dej ntuj.
Qhov tseem ceeb ntawm cov txheej txheem vuam zoo
Vuam yog ib kauj ruam tseem ceeb hauv cov txheej txheem kev teeb tsa lub raj xa hluav taws xob, thiab qhov zoo ntawm cov vuam tuaj yeem cuam tshuam rau tag nrho kev ncaj ncees ntawm cov kav dej. Cov txheej txheem vuam kom raug yog qhov tseem ceeb los xyuas kom meej tias SSAW steel yeeb nkab pob qij txha muaj zog thiab tsis muaj pov thawj. Nov yog qee yam tseem ceeb uas yuav tsum tau xav txog thaum vuam SSAW steel yeeb nkab rau cov kav dej ntuj:
1. Cov txheej txheem vuam: Kev xaiv cov txheej txheem vuam cuam tshuam rau qhov zoo ntawm cov vuam. Raws li cov kev cai tshwj xeeb ntawm qhov project, cov tswv yim xws li TIG (Tungsten Inert Gas) lossis MIG (Hlau Inert Gas) tuaj yeem siv. Txhua txheej txheem muaj nws qhov zoo thiab qhov tsis zoo, thiab xaiv cov txheej txheem tsim nyog yog qhov tseem ceeb kom ua tiav daim ntawv cog lus ruaj khov.
2. Kev npaj cov khoom: Ua ntej vuam, qhov saum npoo ntawm cov kauv submerged arc welded steel yeeb nkab yuav tsum tau npaj. Qhov no suav nrog kev tu qhov chaw thiab tshem tawm cov kab mob uas yuav ua rau lub vuam tsis muaj zog, xws li xeb, roj lossis av. Tsis tas li ntawd, cov yeeb nkab yuav tsum tau ua kom zoo sib xws kom ntseeg tau tias muaj kev sib tw.
3. Welding parameters: Cov yam ntxwv xws li vuam ceev, voltage thiab tam sim no yuav tsum tau ua tib zoo tswj thaum lub sij hawm.steel yeeb nkab rau vuam. Cov kev txwv no cuam tshuam rau cov cua kub nkag thiab qhov cua txias, uas ua rau muaj kev cuam tshuam rau cov khoom siv ntawm lub vuam.
4. Kev tshuaj xyuas tom qab vuam: Tom qab vuam, yuav tsum tau ua tib zoo tshuaj xyuas kom paub tseeb tias muaj qhov tsis xws luag lossis tsis muaj qhov sib txuas hauv qhov vuam. Cov kev sim uas tsis yog kev puas tsuaj xws li kev kuaj ultrasonic lossis kev kuaj hluav taws xob tuaj yeem siv los xyuas kom meej qhov kev ntseeg ntawm vuam.
Peb cog lus rau kev ua tau zoo
Nyob hauv Cangzhou, Hebei Xeev, lub tuam txhab tau ua tus thawj coj hauv kev lag luam steel yeeb nkab txij li xyoo 1993. Lub tuam txhab npog thaj tsam ntawm 350,000 square metres, muaj tag nrho cov cuab tam ntawm RMB 680 lab, thiab muaj 680 tus kws tshaj lij cov kws tshaj lij rau kev tsim cov khoom zoo ntawm cov kav dej submerged arc welded steel kav. Peb cov kev paub nplua nuj thiab cov cuab yeej siv siab heev pab kom peb ua tau raws li cov kev xav tau nruj ntawm kev lag luam gas pipeline.
Post lub sij hawm: May-15-2025