Qhov Tseem Ceeb ntawm Cov Yeeb Nkab Uas Tau Txiav Thiab Tau Txuas Hauv Cov Chaw Tsim Kho Niaj Hnub, Hauv plawv nroog Cangzhou, xeev Hebei, muaj lub Hoobkas hlau uas tau yog lub hauv paus tseem ceeb ntawm kev lag luam yeeb nkab txij li thaum nws tau tsim tsa xyoo 1993. Lub tuam txhab npog thaj tsam 350,000 square meters, muaj tag nrho cov cuab tam ntawm 680 lab RMB, thiab ntiav 680 tus neeg ua haujlwm mob siab rau. Ntawm nws cov khoom ntau yog cov yeeb nkab uas tau txiav thiab tau txuas, uas yog ib feem tseem ceeb ntawm cov chaw tsim kho niaj hnub, tshwj xeeb tshaj yog hauv kev thauj mus los hauv av.
Hauv avPom Welded Yeeb Nkabyog qhov tseem ceeb rau kev thauj dej kom zoo thiab ntseeg tau hla ntau qhov chaw sib txawv. Lawv yog lub hauv paus ntawm peb cov khoom siv niaj hnub no, ua kom cov dej huv mus txog cov tsev, cov lag luam, thiab cov chaw ua liaj ua teb. Kev xaiv cov khoom siv rau cov kav dej no yog qhov tseem ceeb, vim tias lawv yuav tsum tiv taus qhov kev nyuaj siab ntawm cov av hauv av thaum tswj lawv txoj kev ncaj ncees mus sij hawm ntev. Ib qho ntawm cov kev xaiv nrov tshaj plaws rau cov ntawv thov no yog cov yeeb nkab carbon steel uas tau vuam ua ke, uas paub zoo txog nws lub zog thiab kev ruaj khov.
S235 JR cov yeeb nkab hlau kauv thiab X70 SSAW (Spiral Submerged Arc Welded) kab yeeb nkab yog ob yam khoom siv dav dav hauv cov kav dej hauv av. S235 JR yeeb nkab tau txais kev qhuas heev rau nws cov khoom siv kho tshuab zoo heev, ua rau nws haum rau ntau yam kev siv, suav nrog kev thauj mus los hauv dej. Nws lub peev xwm los tiv taus kev hloov pauv hauv qab kev ntxhov siab ua kom nws ua tau raws li qhov xav tau ntawm cov chaw hauv av.
Niaj hnub no, nrog rau cov txheej txheem kev loj hlob hauv nroog sai sai, lub kaw lus xa dej hauv av txhim khu kev qha tau dhau los ua qhov tseem ceeb rau kev ua neej nyob ntawm tib neeg. Ua ib lub tuam txhab ua lag luam hauv kev lag luam tsim cov yeeb nkab hlau, ib lub Hoobkas hlau hauv Cangzhou City, Hebei Province, tau muab cov kav dej Saw Welded zoo rau kev tsim kho vaj tse thoob ntiaj teb txij li thaum nws tau tsim tsa xyoo 1993. Nws cov kav hlau S235 JR kauv thiab cov kav dej X70 submerged arc welded kauv, nrog lawv cov khoom siv zoo heev, tau dhau los ua cov khoom siv tseem ceeb rau cov haujlwm txuag dej hauv av.
1. Lub zog siab thiab tiv taus xeb ua kom muaj kev nyab xeeb rau kev xa dej mus ntev. S235 JR kauv yeeb nkab: Nws muaj qhov zoo tiv taus kev ntxhov siab deformation thiab tsim nyog rau cov chaw geological nyuaj, ua kom ntseeg tau tias kev ua haujlwm ruaj khov mus ntev ntawm cov yeeb nkab. X70 SSAW yeeb nkab: Ua los ntawm cov hlau muaj zog siab thiab cov thev naus laus zis vuam kauv siab heev, nws tiv taus siab thiab tiv taus xeb, tsim nyog rau kev xa dej mus deb thiab cov chaw nyob hnyav.
2. Cov thev naus laus zis siab heev ua ke nrog kev tswj xyuas zoo nruj tsim kom muaj cov kav dej ruaj khov. Lub Hoobkas no siv cov thev naus laus zis spiral submerged arc welding (SAW) los ua kom cov kav dej loj thiab nyias nyias zoo, ua kom siv cov khoom siv tau zoo thaum ua kom muaj zog. Ua ke nrog pab pawg kws tshaj lij ntawm 680 tus neeg thiab cov kab tsim khoom niaj hnub muaj nqis 680 lab yuan, peb xyuas kom meej tias txhua cov kav dej hlau ua tau raws li cov qauv thoob ntiaj teb, pab txhawb kev txhim kho cov khoom siv ntsuab. Nrog kev txhim kho cov kev xav tau kev tswj hwm dej thoob ntiaj teb, cov kav dej saw-welded ntawm Cangzhou Steel Plant yuav txuas ntxiv muab cov kev daws teeb meem ruaj khov thiab pheej yig rau kev thauj mus los hauv nroog, kev ua liaj ua teb thiab kev lag luam, txhawb kev tsim cov khoom siv txuag dej ruaj khov.
Cov kav dej uas Cangzhou Steel Mills tsim tawm yog ib qho tseem ceeb ntawm cov dej hauv av. Cov kav dej S235 JR thiab X70 uas muaj cov kauv sib txuas ua ke, nrog rau lawv cov khoom siv zoo heev thiab tiv taus cov yam ntxwv ib puag ncig, yog qhov tseem ceeb rau kev ua kom muaj kev thauj mus los hauv dej zoo. Saib mus tom ntej, qhov tseem ceeb ntawm cov khoom no yuav txuas ntxiv loj hlob, qhia txog kev lag luam yeeb nkab xav tau kev tsim khoom zoo thiab cov kev daws teeb meem tshiab.
Lub sijhawm tshaj tawm: Lub Yim Hli-18-2025