Yog tias koj nyuam qhuav koom nrog cov phiaj xwm loj hauv cov kav dej, txawm tias rau lub zog cua, chaw nres nkoj lossis choj, thaum xaiv cov khoom siv yeeb nkab thiab txoj kev tsim kho, ib qho kev sib xyaw ua ke yeej tsis zam: FBE lined carbon steel yeeb nkab + ob chav submerged arc vuam.
Tsis txhob maj mus saib cov lus hais. Cia peb xub tham txog qhov teeb meem uas ntsib ntawm qhov chaw tsim kho - qhov chaw hauv av yog "teeb meem heev". Nws ntub, yooj yim xeb, thiab qhov hnyav hloov pauv ntau zaus. Cov kav dej ib txwm feem ntau ua haujlwm tsis zoo tom qab ob peb xyoos siv. Yog vim li cas ntau thiab ntau lub tuam txhab engineering tab tom tig mus raulag luam wholesale ASTM A252cov neeg xa khoom mus rau ntau lub teb chaws kom tau txais cov khoom lag luam ntaucov kav dej loj uas muaj txoj kab uas hla.
Tsis ntev los no, peb tau tham nrog ib lub Hoobkas uas tau tsim tsa hauv Cangzhou txog ib pawg khoom. Lawv txoj kev qhia yog qhov tsim nyog qhia.
Tsis yog txhua lub kav dej FBE sab hauv zoo ib yam.
Cia peb tham txog FBE. Muaj ntau tus neeg paub txog nws ua hmoov epoxy sib txuas. Txawm li cas los xij, qhovFBE kab yeeb nkab carbon steel siv rau hauv cov kav dej muaj cov kev cai nruj txog kev nplaum, tuab, thiab kub kho.
Cov khoom uas peb tab tom tham txog lub sijhawm no yog los ntawm Cangzhou Spiral Steel Pipes Group Co., Ltd. Lub Hoobkas no tau tsim tsa xyoo 1993 hauv Cangzhou, Hebei Xeev. Nws npog thaj tsam ntawm 350,000 square meters thiab muaj tag nrho cov cuab tam ntawm 680 lab yuan. Nws muaj 680 tus neeg ua haujlwm. Lawv tsim tau 400,000 tons ntawm cov kav hlau kauv txhua xyoo, nrog rau tus nqi tso tawm ntawm 1.8 billion yuan. Lawv yog cov qib siab tshaj plaws hauv kev lag luam hauv tsev ntawm cov kav hlau kauv thiab cov khoom lag luam coated.
Cov kav hlau carbon uas lawv tsim tawm tsis yog tsuas yog "siv ib txheej hmoov xwb". Hloov chaw, lawv tswj hwm qhov ceev ntawm cov kab txheej thiab qhov kub hauv thaj chaw cua sov, ua rau FBE nkag mus rau hauv qhov chaw ntawm cov kav hlau, tsim cov txheej tiv thaiv ntom ntom, txuas ntxiv mus thiab tiv taus cathode.
Vim li cas nws thiaj li tsim nyog yuav tsum tau them sai sai rau cov txheej txheem vuam rau cov kav dej sib txuas?
Cov xwm txheej kev ntxhov siab ntawm cov kav dej sib txawv kiag li ntawm cov kav dej ib txwm muaj. Lub zog cuam tshuam thaum lub sijhawm tsav cov kav dej, lub zog axial nyob rau hauv lub nra hnyav ntev, thiab qhov tsis sib xws hauv av txhua yam yuav tsum tau ua kom cov vuam yuav tsum ntseeg tau tag nrho.
Lub Hoobkas no hauv Cangzhou siv ob chav submerged arc welding. Cov neeg uas paub txog kev vuam paub tias qhov zoo tshaj plaws ntawm cov txheej txheem no yog tias cov kab sib txuas tau zoo, qhov tob ntawm cov khoom yaj txaus, thiab qhov tsis zoo sab hauv qis. Ntxiv mus, kev vuam ob sab zoo li muab "kev pov hwm ob npaug" rau ntawm cov kab sib txuas, vim nws ua kom nkag mus rau hauv tag nrho ob qho tib si sab hauv thiab sab nraud.
Piv nrog rau kev vuam ib sab lossis kev vuam kauv ib txwm muaj, cov kav dej loj uas tsim los ntawmob chav submerged arc vuamqhia tau tias muaj kev ruaj khov zoo dua thaum raug cov khoom hnyav thiab khoov. Qhov no yuav luag yog qhov yuav tsum muaj rau cov kav dej pile.
Cov yeeb nkab loj - vim li cas thiaj muaj coob tus neeg tam sim no xaiv kev yuav khoom lag luam wholesale?
Tam sim no peb los txog rau qhov teeb meem uas tau hais hauv peb lub npe: Vim li cas thiaj lag luam wholesale ASTM A252 FBE lined DSAW kav dej rau piling?
Cov lus teb yeej yooj yim heev - kev ruaj khov + cov nqi tswj tau.
ASTM A252 yog tus qauv tshwj xeeb rau cov kav hlau siv rau cov kav hlau, nrog rau cov kev cai meej rau lub zog yield, lub zog tensile, thiab elongation. Lub Hoobkas no hauv Cangzhou ncaj qha tsim cov kav hlau loj raws li tus qauv no, thiab lawv kuj yog cov lag luam wholesale ntawm ASTM A252, tshem tawm qhov xav tau tus neeg nruab nrab.
Rau cov tuam txhab engineering, kev yuav cov kav dej loj loj los ntawm cov chaw tsim khoom ib zaug yog qhov zoo rau ntau yam. Ua ntej, cov lus qhia yog sib xws thiab qhov zoo yog qhov taug qab tau. Qhov thib ob, tus nqi yeej sib tw. Qhov thib peb, lub voj voog muab khoom yog tswj tau - lub Hoobkas nrog lub peev xwm tsim khoom txhua xyoo ntawm 400,000 tons tsis muaj lub sijhawm tsim khoom thiab cov khoom siv raw khoom uas cov chaw ua haujlwm me me tuaj yeem sib phim.
Hauv qhov project tiag tiag, cov kav dej no siv qhov twg?
Nov yog ob peb qhov xwm txheej tiag tiag:
Chaw nres nkoj thiab chaw nres nkoj: Cov kav dej yuav tsum tiv taus kev xeb ntawm dej hiav txwv. Kev ua tau zoo tiv thaiv kev xeb ntawm cov kav hlau carbon FBE zoo dua li cov kav dej liab qab.
Lub hauv paus choj: Cov kev cai siab heev rau cov kab sib txuas. Cov txheej txheem vuam ob chav submerged arc tuaj yeem ua kom muaj kev sib xws rau txhua lub raj xa dej.
Lub hauv paus ntawm lub tsev cua turbine: Loj, faus tob, thiab tuav tau lub nra hnyav mus ntev. Cov kav dej loj, raws li tus qauv ASTM A252, yog ib qho kev xaiv uas siv ntau hauv kev lag luam.
Cov khoom ntawm lub Hoobkas no hauv Cangzhou feem ntau yog muab faib rau cov cheeb tsam no. Ntxiv mus, lawv qhov zoo dua yog tias lawv tsis yog tsuas yog tsim cov kav dej vuam xwb tab sis kuj ua cov txheej txheem txheej. Cov txheej txheem tsim khoom muaj kev sib txuas zoo dua, thiab lawv kuj tuaj yeem tswj tau qhov zoo thoob plaws.
Hauv kev xaus lus, tsis muaj kev ntaus ib ncig ntawm lub hav txwv yeem.
Yog tias koj tab tom nrhiav cov kav dej carbon steel FBE uas muaj cov qauv nruj heev (lawv yuav tsum tau vuam ob chav submerged arc), thiab yog tias koj qhov project xav tau cov kav dej loj, thiab koj tab tom nrhiav tus neeg xa khoom lag luam wholesale ntawm ASTM A252 - Cangzhou Spiral Steel Pipe Group yog ib qho kev xaiv uas tsim nyog xav txog.
Nws tsis yog hais tias lawv pheej yig heev; es, nws yog hais tias nyob rau hauv pawg no, tsis muaj ntau lub tuam txhab tsim khoom hauv tsev uas tuaj yeem koom ua ke lub peev xwm tsim khoom, kev tsim nyog, cov txheej txheem, thiab kev txheej xim ib zaug.
Yog li ntawd, vim li cas ho xaiv cov kav dej ASTM A252 FBE lined DSAW rau kev piling?
Cov lus teb yooj yim yog: nws yooj yim, muaj zog heev, thiab tuaj yeem tiv taus kev sim hauv av.
Lub sijhawm tshaj tawm: Plaub Hlis-30-2026