Kauv Welded Yeeb Nkab

A: Cov txheej txheem tsim khoom
Qhov sib txawv tseem ceeb ntawm qhov ncaj weld thiab kauv vuam kav yog nyob rau hauv lawv cov txheej txheem tsim khoom.
Ncaj welded kav yog tsim los ntawm dabtsi yog khoov thiab tsim ib tug steel billet. Thaum cov duab xav tau, qhov no yog welded ua ke hauv qhov ntev ntawm cov yeeb nkab. Cov txheej txheem no tsim ib qho ncaj, longitudinal seam cia rau hauv nruab nrab ntawm cov yeeb nkab. Yog li ntawd, nws lub npe. Kauv welded kav, nyob rau hauv sib piv, yog dov los ntawm ib tug steel billet los tsim ib tug helical kaum. Cov npoo yog welded ua ke los tsim cov yeeb nkab.
Kev tsim cov txheej txheem ntawm ncaj welded steel kav yog ntau yooj yim dua. Lawv feem ntau yog ua los ntawm cov txheej txheem vuam ntau zaus, thaum cov kav dej welded yog ua los ntawm cov txheej txheem submerged arc vuam.
Muab piv rau ob, cov kav dej ncaj welded muaj txiaj ntsig zoo rau kev tsim khoom, muab cov nqi qis dua tab sis kev txhim kho siab dua, piv rau cov txheej txheem welding.
Lub zog
Thaum muab piv rau ob hom steel yeeb nkab, kauv welded kav muaj qhov zoo dua thaum nws los txog rau cov yeeb nkab zog. Qhov no yog vim lawv yog tsim los ntawm submerged arc vuam. Cov txheej txheem vuam no muaj cov khoom zoo thiab cov welds zoo thiab sib sib zog nqus vuam dua li lwm cov txheej txheem.
Weld ntev
Nrog kauv welded kav, koj tuaj yeem tsim cov kav dej ntawm cov kab sib txawv, txawm tias siv cov pob zeb ntawm tib qhov dav. Koj tuaj yeem tsim cov kav hlau txuas nrog cov kav dej loj dua, txawm tias cov hlau nqaim.
Muab piv nrog rau tib qhov loj ntawm billet siv los ua cov yeeb nkab ncaj welded, qhov ntev ntawm cov kav hlau welded tuaj yeem nce los ntawm 30% mus rau 100%. Txawm li cas los xij, tsim txoj kab uas hla loj dua kauv welded kav yuav siv sij hawm ntev dua los tsim.
Yog li, cov kav dej me me feem ntau yog ua nrog txoj kev vuam ncaj. Cov kav dej loj dua feem ntau yog ua los ntawm kev sib tw welding.
Qhov tshwm sim ntawm weld defects
Ua kom ncaj welded steel kav - tshwj xeeb tshaj yog cov uas ntev ntev thiab loj diameters - T-welding cov tswv yim yog siv. Cov txheej txheem no cais qhov ntev ntawm qhov ntev ntawm qhov txuas mus rau hauv cov ntu luv thiab pab cov yeeb nkab ua tau raws li qhov xav tau ntawm engineering.
Txawm li cas los xij, thaum qhov no pab ua kom cov khoom siv tau, nws ua rau muaj kev pheej hmoo ntawm vuam tsis xws luag hauv cov seam ncaj. Tsis tas li ntawd, qhov seem ntawm kev ntxhov siab los ntawm kev siv vuam siv cov txheej txheem no yuav ua rau muaj kev ntxhov siab, uas ua rau muaj qhov tshwm sim ntawm qhov tsis xws luag, tshwj xeeb tshaj yog cov kab nrib pleb.
Nyob rau hauv kev sib piv, kauv welded kav ua nrog submerged arc vuam txheej txheem tsim welds nrog ib tug arc ignition point thiab arc extinguishing point. Qhov no tsim kom muaj kev ruaj khov dua nrog tsawg dua kev pheej hmoo ntawm vuam tsis xws luag, tshwj xeeb tshaj yog nyob rau ntawm qhov chaw tua hluav taws.
Cov ntawv thov tseem ceeb
Vim tias lawv muaj ntau qhov sib txawv ntawm lub zog, kev tsim kho, thiab ntev, yuav muaj cov ntawv thov uas ib hom yeeb nkab ua tau zoo dua li lwm qhov.
Feem ntau, cov kav dej ncaj welded yog siv rau cov ntaub ntawv sib zog vim lawv daim ntawv tsis muaj zog. Qhov no suav nrog cov ntawv thov xws li thauj cov pa roj, cov kav dej, cov kav dej hluav taws xob, thiab lwm yam. Hom yeeb nkab no kuj tseem pheej yig dua li cov kav welded kauv, uas tuaj yeem ua rau nws qhov kev xaiv zoo dua rau qee qhov haujlwm.
Kauv welded kav, ntawm qhov tod tes, tuaj yeem ua tiav ntau qhov sib txawv ntawm qhov ntev, tuab, thiab txoj kab uas hla. Qhov no tso cai rau nws los ua qhov kev xaiv zoo dua rau cov haujlwm uas xav tau cov kav dej tsim. Tsis tas li ntawd, nws lub zog zoo tshaj plaws ua rau nws cov yeeb nkab zoo tagnrho rau kev siv hluav taws xob siab, siab kub. Qhov no suav nrog kev thauj qee yam roj, kua, thiab roj, thiab siv hauv kev lag luam xws li tshuaj. Txawm li cas los xij, nws yuav siv sij hawm ntev los tsim, thiab tuaj yeem kim dua los yuav.

A: BEARING PIB
Kev sib sib zog nqus hauv paus yog xav tau thaum cov av ntiav tsis muaj zog txaus los txhawb cov khoom thauj los ntawm cov qauv. Cov kab yeeb nkab feem ntau yog siv hauv cov hauv paus sib sib zog nqus thiab hloov cov khoom thauj los ntawm lub tsev mus rau cov txheej hauv av uas muaj zog dua pom qhov tob hauv av. Cov loads yog resisted los ntawm daim tawv nqaij txhuam thiab taw tes bearing. Cov yeeb nkab tuaj yeem raug tsav los ntawm qhib-kawg lossis kaw-kawg, nrog cov ntsiab lus lossis daim phiaj. Yog tias tau tsav nrog daim hlau, cov kav dej tuaj yeem ua tiav nrog cov pob zeb kom ntxiv dag zog rau pawg. Feem ntau cov nyiaj siv rau ntawm daim phiaj, rebar, thiab pob zeb yuav zoo dua siv rau ntawm pawg loj, tuab dua. Cov kab yeeb nkab muaj qhov loj me los ntawm ob peb ntiv tes mus rau ob peb taw hauv txoj kab uas hla thiab tuaj yeem yooj yim spliced ​​los tsim pawg ntau pua ntawm qhov ntev.
DRILLED NTAWM CASING
Cov yeeb nkab casing, ib ntus lossis mus tas li, feem ntau yuav tsum tau siv thaum lub sij hawm tsim kho cov drilled shafts. Lub casing yog siv los tuav lub qhov qhib thaum lub cuab yeej txhawb nqa thiab pob zeb. Lub peev xwm los tshuaj xyuas hauv qab ntawm lub qhov thiab tshem tawm ntawm txhua qhov kev hloov pauv hauv txoj kab uas hla ntawm qhov tiav drilled ncej ua kom zoo dua qub, pawg tiav.
COMBINATION WALLS
Cov kav dej loj loj muaj qhov muaj zog dabtsi yog khoov siab thiab feem ntau siv rau hauv cov ntawv sib xyaw ua ke. Kev sib xyaw ua ke ntawm cov kav dej loj loj thiab cov ntawv hlau, uas feem ntau hu ua combi-walls, yeeb nkab-z phab ntsa lossis vaj vaj huam sib luag phab ntsa, ua rau muaj txiaj ntsig zoo heev. Zoo li lwm cov phab ntsa ua ke, huab tais pawg siv feem ntau ntawm cov khoom thauj thiab cov ntawv pawg hloov cov khoom thauj mus rau cov yeeb nkab thiab cov av.
QHOV TSEEB
Lub symmetry ntawm cov yeeb nkab muab nws tib yam dabtsi yog khoov lub zog, nyob rau hauv tej kev taw qhia, uas ua rau nws ib tug zoo heev cov khoom rau cov kuj ntawm buckling. Qhov kev ntxhov siab yuav tsum tau buckle tus tswv cuab axial txo qis nrog qhov ntev. Lub vojvoog ntawm gyration muaj qhov cuam tshuam qhov sib txawv thiab ua kom muaj peev xwm ntawm ib ntu los tiv thaiv buckling. Cov ntu W thiab HP muaj qhov sib txawv ntawm qhov sib txawv ntawm gyration (rx thiab ry) rau X thiab Y axes, thaum tseem tshuav rau cov yeeb nkab. Qhov kawg tshwm sim yog tias cov yeeb nkab tuaj yeem nqa ntau dua loads ntev, tsis txhawb nqa ntev.
JACKED & BORED PIPE
Qhov kev tso kawm ntawm cov khoom siv hauv av feem ntau ua nrog jacked thiab dhuav yeeb nkab. Cov ntu ntawm cov yeeb nkab raug thawb los ntawm hauv av nrog hydraulic jacks ntawm kev khawb los yog hauv qab toj. Cov ntu tom ntej ntawm cov yeeb nkab yog ces spliced ​​mus rau thawj zaug thiab cov jacking txuas ntxiv mus. Thaum lub jacking tiav lawm, cov yeeb nkab raug ntxuav tawm los txhim kho cov khoom siv hluav taws xob. Qhov no tso cai rau kev tso cov khoom siv hluav taws xob yam tsis muaj kev khawb av dav uas tuaj yeem cuam tshuam txoj kev, kev tsheb ciav hlau, tsev thiab kev lag luam.
SEWER/Dej LINE PIPE
Welded steel yeeb nkab muab txoj hauv kev zoo rau kev thauj cov kua, cua, thiab roj. Cov yeeb nkab steel yog phaus ib phaus muaj zog dua li lwm hom kab yeeb nkab. Cov yeeb nkab tuaj yeem tsim los tswj ob qho tib si sab hauv thiab sab nraud ntawm cov ntawv thov feem ntau. Welded steel yeeb nkab muaj ntau yam zoo, xws li: lub zog, kev lag luam thiab yooj yim ntawm installation.

A: Cov ntaub ntawv raw yog strip steel coils, vuam hlau, thiab flux. Yuav tsum tau kuaj lub cev thiab tshuaj lom neeg nruj ua ntej kev nqis peev.
Lub sawb lub taub hau thiab tus Tsov tus tw yog txuas los ntawm ib lub xaim lossis ob lub xaim submerged arc vuam, thiab tsis siv neeg submerged arc vuam yog siv los kho vuam tom qab coiling rau hauv cov yeeb nkab steel.
Ua ntej tsim, lub sawb undergoes leveling, ntug trimming, ntug planing, deg tu thiab conveying, thiab pre-bending kho.
Lub tshuab hluav taws xob tiv tauj lub ntsuas siab yog siv los tswj lub siab ntawm lub tog raj kheej ntawm ob sab ntawm lub conveyor kom ntseeg tau tias kev thauj mus los zoo ntawm cov sawb.
Txais kev tswj sab nraud lossis kev tswj sab hauv yob txoj kev.
Lub vuam seam qhov sib txawv tswj cov cuab yeej tau txais kev pom zoo los xyuas kom meej tias qhov vuam seam qhov sib txawv ua tau raws li qhov xav tau ntawm vuam, thiab cov yeeb nkab txoj kab uas hla, tus nqi ntawm misalignment thiab vuam seam sib txawv yog tag nrho cov nruj tswj.
Ob leeg hauv vuam thiab sab nraud vuam txais yuav American Lincoln hluav taws xob vuam tshuab rau ib leeg-xaim los yog ob-xaim submerged arc vuam kom tau txais kev ruaj khov vuam specifications.
Cov welded seams tom qab vuam raug tshuaj xyuas los ntawm ib qho online txuas ntxiv ultrasonic tsis siv neeg qhov tsis zoo, uas lav 100% tsis muaj kev puas tsuaj rau kev ntsuas ntawm kauv welds. Yog tias muaj qhov tsis xws luag, nws yuav cia li ceeb toom thiab tshuaj tsuag lub cim, thiab cov neeg ua haujlwm tsim khoom tuaj yeem kho cov txheej txheem tsis raug txhua lub sijhawm kom tshem tawm qhov tsis xws luag hauv lub sijhawm.
Siv lub tshuab cua plasma txiav cov yeeb nkab steel rau hauv ib qho.
Tom qab txiav rau hauv ib lub kav hlau, thawj peb ntawm txhua pawg ntawm cov kav hlau yuav tsum tau ua thawj zaug kev tshuaj xyuas nruj me ntsis txhawm rau xyuas cov khoom siv hluav taws xob, tshuaj lom neeg muaj pes tsawg leeg, fusion txheej txheem ntawm cov welds, qhov zoo ntawm cov kav hlau steel thiab tsis muaj kev puas tsuaj. Kev tshuaj xyuas kom ntseeg tau tias cov txheej txheem tsim cov yeeb nkab tsim nyog Tom qab, nws tuaj yeem raug muab tso rau hauv kev tsim khoom.
Cov khoom uas txuas ntxiv sonic flaw nrhiav tau cov cim ntawm lub vuam yog rov kuaj xyuas los ntawm phau ntawv ultrasonic thiab X-ray. Yog tias muaj qhov tsis xws luag, tom qab kho, lawv yuav dhau los ntawm kev tshuaj xyuas tsis muaj kev puas tsuaj dua kom txog rau thaum cov khoom tsis raug lees paub.
Cov kav dej uas cov sawb steel pob tw vuam seams thiab D-zoo li cov pob qij txha sib tshuam nrog cov kauv vuam seams yog txhua yam tshuaj xyuas los ntawm X-ray TV lossis kev ua yeeb yaj kiab.
Txhua cov yeeb nkab steel tau dhau qhov kev sim siab hydrostatic, thiab lub siab txais yuav radial foob. Kev ntsuas siab thiab lub sijhawm yog nruj me ntsis tswj los ntawm cov yeeb nkab steel hydraulic microcomputer nrhiav kom tau cov cuab yeej. Cov ntsuas ntsuas tau raug luam tawm thiab kaw.
Cov yeeb nkab kawg yog machined kom raug tswj qhov ntsug ntawm lub ntsej muag kawg, bevel kaum sab xis thiab obtuse ntug.

A: Ntxuav
Cov kuab tshuaj thiab emulsion yog siv los ntxuav cov kauv welded yeeb nkab nto, tshem cov roj, roj, plua plav, smoothing agents, thiab lwm yam organic teeb meem. Txawm li cas los xij, nws tsis tuaj yeem tshem tawm xeb, oxide daim tawv nqaij, flux, lossis lwm yam organic teeb meem los ntawm cov hlau nto. Nws yog siv los ua ib qho kev ntsuas ntxiv hauv kauv welded yeeb nkab los tiv thaiv corrosion ntau lawm.
Xuas Tes Tshem Tawm
Lub kauv welded yeeb nkab yog polished siv hlau txhuam kom tshem tawm cov xoob xoob lossis nce qib, xeb, vuam slag, thiab lwm yam kab mob. Cov cuab yeej siv tes tshem tawm xeb tuaj yeem ncav cuag qib Sa2, thaum lub cuab yeej hluav taws xob tshem tawm xeb tuaj yeem ncav cuag qib Sa3. Kev tshem tawm xeb tshwm sim ntawm cov cuab yeej tsis zoo yog tias cov kauv welded yeeb nkab nto txuas nrog lub zog hlau oxide nplai.
Pickling
Cov txheej txheem tshuaj lom neeg thiab electrolytic feem ntau yog siv los muab pov tseg. Tsuas yog cov tshuaj khib nyiab tuaj yeem tshem tawm cov nplais oxide, xeb, thiab cov txheej qub thiab siv tau ua cov xuab zeb blasting tom qab tshem tawm xeb. Kev tu tshuaj tuaj yeem ua tiav qhov tsim nyog huv thiab roughness, tab sis cov qauv thauj tog rau nkoj yog qhov ntiav, ua rau qhov xwm txheej yooj yim kom kis tau.
Blasting nrog cov ntaub ntawv abrasive
Abrasive blasting siv lub tshuab muaj zog los tig cov tshuaj tsuag (nthuav) hniav ntawm kev kub ceev, tso cai rau cov abrasives zoo li steel grit, steel tua, xaim ntu, thiab ntxhia tshuaj tsuag (nthuav) rau saum npoo ntawm lub raj steel hauv qab lub zog. ntawm lub zog centrifugal. Tsis tsuas yog tuaj yeem xeb, oxides, thiab av raug tshem tawm tag nrho, tab sis nyob rau hauv kev cuam tshuam ntawm kev cuam tshuam thiab kev sib txhuam, cov kav hlau txuas txuas kuj tseem tuaj yeem ua tiav qhov xav tau qhov nruab nrab roughness.
Tom qab txau (polishing) thiab tshem tawm cov xeb, nrog rau cov neeg kho tshuab adhesion ntawm cov txheej tiv thaiv corrosion thiab cov kauv welded yeeb nkab sab nrauv. Yog li ntawd, tshuaj tsuag (polishing) tshem tawm xeb yog ib qho zoo heev rau kev tshem tawm xeb los ntawm cov kav dej. Sandblasting descaling feem ntau yog siv rau kev kho cov yeeb nkab sab hauv thiab sab nrauv, thaum tua blasting (xuab zeb) descaling feem ntau yog siv rau kev kho cov yeeb nkab saum npoo.

A: Cov kav hlau ntawm tib qhov dav tuaj yeem siv los ua cov kav hlau ntawm cov kab sib txawv, tshwj xeeb tshaj yog thaum siv cov hlua nqaim steel los ua cov kav hlau loj.
Cov kauv vuam yog raug kev nyuaj siab tsawg dua li cov seam ncaj, uas yog 75 feem pua ​​​​rau 90 feem pua ​​​​ntawm cov kab ncaj nraim welded yeeb nkab, thiab li no tuaj yeem dais siab loj nyob rau hauv tib qhov chaw siab. Cov phab ntsa tuab tuaj yeem txo qis los ntawm 10% mus rau 25% nyob rau hauv tib lub siab raws li ib qho ncaj seam welded yeeb nkab ntawm tib txoj kab uas hla sab nraud.
Qhov loj me yog qhov tseeb, nrog rau txoj kab dav dav dav dav ntawm tsawg dua 0.12%, deflection tsawg dua 1/2000, thiab elasticity tsawg dua 1%. Feem ntau, qhov luaj li cas thiab cov txheej txheem straightening yog ncaj nraim.
Nws tuaj yeem tsim tsis muaj qhov kawg. Hauv txoj kev xav, nws tuaj yeem ua rau cov kav hlau ntev ntev nrog lub taub hau me me thiab tus Tsov tus tw txiav, ua rau cov hlau siv tau los ntawm 6% mus rau 8%.
Nws yog qhov hloov tau yooj yim dua hauv kev ua haujlwm thiab yooj yim los hloov kho ntau yam dua li ncaj seam welded yeeb nkab.
Cov khoom siv yog lub teeb yuag thiab xav tau tus nqi pib tsawg kawg nkaus. Nws tuaj yeem ua rau hauv ib qho ntawm cov khoom siv thauj khoom thauj khoom, thiab cov yeeb nkab welded tuaj yeem ua rau ntawm qhov chaw ntawm qhov chaw sib txuas.
Mechanization thiab automation yog yooj yim los siv.

A: 1. Thaum lub sij hawm molding txheej txheem, qhov seem seem yog me me thiab tsis muaj khawb ntawm qhov chaw. Cov txheej txheem kauv welded yeeb nkab muaj qhov zoo sib xws hauv qhov loj thiab qhov tshwj xeeb ntawm txoj kab uas hla thiab phab ntsa tuab, thiab tuaj yeem ua tau raws li cov neeg siv khoom xav tau ntau dua rau cov yeeb nkab steel yeeb nkab specifications.
2. Txais cov txheej txheem ob-sided submerged arc vuam tshuab los daws qee qhov tsis xws luag, thiab nws yooj yim los tswj cov vuam zoo.
3. Ua tiav 100% kev soj ntsuam zoo ntawm cov yeeb nkab steel, thiaj li lav tau cov khoom zoo.
4. Tag nrho cov khoom siv nyob rau hauv tag nrho cov kab ntau lawm muaj kev ua haujlwm ntawm kev sib txuas nrog lub computer cov ntaub ntawv tau txais cov ntaub ntawv kom paub txog cov ntaub ntawv xa mus rau lub sijhawm tiag tiag, thiab cov kev tsis sib xws hauv cov txheej txheem tsim khoom yog tswj los ntawm chav tswj.
Rau cov txheej txheem cua sov, cov khoom siv hluav taws xob kho cua sov thiab cov cua sov nruab nrab yuav tsum raug xaiv. Yuav ua li cas los yog yooj yim tshwm sim ntawm no yog hais tias lub nto ntawm ib feem yuav raug cuam tshuam los ntawm oxidizing cua sov nruab nrab, thiab cov cua kub kub tshaj cov txheej txheem yuav tsum tau. Yog tias cov nplej austenite tuab dhau lawm, txawm tias cov ciam teb yuav yaj, uas yuav cuam tshuam rau qhov zoo nkauj thiab sab hauv ntawm cov khoom. Yog li ntawd, nyob rau hauv cov txheej txheem tiag tiag, yuav tsum tau ntsuas qhov ua tau los txheeb xyuas qhov tsis xws luag.
Cov khoom tsis raug tsim thaum lub sij hawm tempering yog quenched kom tau ib tug quenched martensite qauv nrog siab hardness los yog ib tug qis bainite qauv nrog ib tug me ntsis qis hardness, tab sis cov qauv tsis ruaj khov thiab nkig. Thaum siv hauv kev tsim khoom, nws yog tempered kom tau txais cov qauv xav tau thiab cov khoom. Yog li ntawd, cov txheej txheem tempering yuav muaj qhov cuam tshuam tseem ceeb rau kev kho cua sov zoo ntawm qhov chaw, xws li hardness, tempering brittleness, tempering tawg thiab lwm yam tsis xws luag, thiab yuav tsum tau ntsuas kom tsis txhob muaj qhov tsis xws luag thaum tempering.
Txoj kev kho cua sov kom raug yog lub hauv paus thiab lub hauv paus rau kev ua kom muaj peev xwm kho cua sov zoo ntawm qhov chaw. Thaum pom cov teeb meem zoo saum toj no, lawv tuaj yeem daws tau los ntawm cov tib neeg, tshuab, cov khoom siv, cov txheej txheem, kev sib txuas, kev tshuaj xyuas, thiab lwm yam. Los ntawm kev tshuaj xyuas thiab kev txiav txim, cov hauv paus ntsiab lus ntawm qhov tsis xws luag tuaj yeem pom.

A: Lub chaw cia khoom lossis lub tsev khaws khoom ntawm cov khoom siv kauv steel yeeb nkab yuav tsum nyob rau hauv qhov chaw huv thiab zoo-drained. Cov nroj tsuag thiab tag nrho cov sundries yuav tsum tau ntxuav. Cov hlau tuav yuav tsum tau ceev kom huv si thiab deb ntawm cov chaw tsim khoom thiab cov mines uas tsim cov pa phem lossis plua plav.
Cov ntaub ntawv uas corrode steel xws li acid, alkali, ntsev, thiab xis mas yuav tsum tsis txhob muab tso rau hauv lub warehouse, thiab steel ntawm ntau hom yuav tsum tau stacked nyias. Tiv thaiv tsis meej pem thiab tiv thaiv corrosion.
Me me thiab nruab nrab-qhov loj me steel, hlau pas nrig, steel bar, nruab nrab-inch steel yeeb nkab, steel hlau thiab hlau hlua, thiab lwm yam. Tom qab tso thiab cushioning, nws tuaj yeem khaws cia rau hauv qhov chaw zoo.
Cov hlau me, nyias steel phaj, steel sawb, silicon steel ntawv lossis nyias-walled kauv steel yeeb nkab tuaj yeem khaws cia. Muaj ntau yam khoom muaj nqis, corrosive txias-kuav los tiag thiab txias-drawn steel thiab hlau khoom tuaj yeem khaws cia.

A: Metallurgical zog ntawm cov ntaub ntawv
LSAW cov kav dej yog tsim los ntawm cov hlau phaj, hos cov kav hlau welded yog tsim los ntawm kub dov coils. Cov txheej txheem dov ntawm cov kub sawb steel zeb muaj ntau qhov zoo, thiab nws muaj cov txheej txheem metallurgical muaj peev xwm los tsim cov raj xa dej zoo.
Vuam txheej txheem
Nyob rau hauv cov nqe lus ntawm cov txheej txheem welding, txoj kev vuam ntawm kauv welded yeeb nkab yog tib yam li cov hlau ncaj seam steel yeeb nkab, tab sis ncaj seam welded yeeb nkab yuav inevitably muaj ntau T-puab welds, yog li qhov tshwm sim ntawm vuam tsis xws luag yog loj heev, thiab cov welding residue ntawm T-shaped weld Qhov kev ntxhov siab yog loj, thiab cov hlau weld feem ntau nyob rau hauv peb-dimensional kev nyuaj siab lub xeev, uas ua rau kom muaj peev xwm ntawm cov kab nrib pleb. Ntxiv mus, raws li cov kev cai ntawm submerged arc welding txheej txheem, txhua qhov vuam yuav tsum muaj qhov taw qhia arc ignition thiab arc extinction point, tab sis txhua qhov ntev welded yeeb nkab tsis tuaj yeem ua tau raws li qhov xwm txheej no thaum vuam cov seam, yog li tej zaum yuav muaj arc extinction point. Ntau qhov vuam tsis raug.
Static pressures blasting zog
Cov kev sib piv sib piv tau txheeb xyuas qhov tseeb tias qhov tawm los siab ntawm cov kauv welded yeeb nkab thiab longitudinally welded yeeb nkab yog raws li qhov tseeb thiab theoretical qhov tseem ceeb ntawm tawg siab, thiab qhov sib txawv yog nyob ze. Tab sis txawm hais tias nws yog yielding siab los yog tawg siab, lub kauv welded yeeb nkab yog qis dua cov ncaj seam welded yeeb nkab. Qhov kev ntsuam xyuas blasting kuj tau pom tias lub voj voog deformation tus nqi ntawm cov kauv welded yeeb nkab blasting chaw nres nkoj tau ntau dua li ntawm cov yeeb nkab ncaj welded. Qhov no ua pov thawj tias cov yas deformation muaj peev xwm ntawm kauv welded yeeb nkab yog zoo dua li cov ncaj seam welded yeeb nkab, thiab lub blast qhib feem ntau txwv rau ib lub suab, uas yog tshwm sim los ntawm qhov muaj zog tuav cov nyhuv ntawm kauv weld ntawm qhov nthuav ntawm qhov tawg.
Toughness thiab qaug zog
Qhov sib txawv ntawm txoj kev loj hlob ntawm cov kav dej yog txoj kab uas hla loj thiab lub zog siab. Raws li txoj kab uas hla ntawm cov yeeb nkab steel nce thiab qib hauv cov hlau siv tau nce, qhov kev nyiam ntawm cov hlab ntsha tawg tuaj yeem loj hlob zuj zus. Raws li kev ntsuam xyuas los ntawm cov koom haum tshawb fawb tseem ceeb hauv Tebchaws Meskas, txawm hais tias kauv welded yeeb nkab thiab longitudinal welded yeeb nkab yog tib theem, cov kauv welded yeeb nkab muaj kev cuam tshuam ntau dua toughness. Vim muaj kev hloov pauv ntawm kev thauj mus los, cov kav dej steel tau raug random alternating loads thaum lub sijhawm ua haujlwm. Nkag siab txog lub voj voog qis qis zog ntawm cov kav dej steel yog qhov tseem ceeb ntawm kev txiav txim siab txog kev pabcuam lub neej ntawm cov kav dej. Raws li kev ntsuas cov txiaj ntsig, lub zog qaug zog ntawm kauv welded kav yog tib yam li cov kav dej seamless thiab cov kav dej tsis sib haum, thiab cov ntaub ntawv xeem tau muab faib rau tib thaj chaw xws li cov kav dej seamless thiab cov kav dej tsis sib haum, thiab siab dua li cov kav dej hauv qab. longitudinal welded kav.
Teb solderability
Lub weldability ntawm qhov chaw yog txiav txim siab los ntawm cov khoom ntawm cov yeeb nkab steel thiab kev kam rau siab ntawm qhov chaw nres nkoj loj. Ua raws li cov kev cai ntawm cov yeeb nkab steel installation thiab kev tsim kho, kev txuas ntxiv ntawm cov kav hlau ua thiab kev tsim khoom thiab qhov sib xws ntawm cov duab thiab qhov ntev geometric yog qhov tseem ceeb tshwj xeeb. Kev tsim cov welded yeeb nkab yog cov txheej txheem txuas ntxiv ruaj khov ntawm tib yam kev ua haujlwm: thaum cov txheej txheem ntawm cov hlua khi ncaj nraim welded yog segmented, suav nrog tag nrho cov phaj / indenter / pre-rolling / chaw vuam / vuam / tiav / pab pawg, thiab lwm yam txheej txheem ntau lawm. Qhov no yog ib qho tseem ceeb feature uas distinguishes spiral welded yeeb nkab zus tau tej cov ncaj seam welded yeeb nkab ntau lawm. Cov xwm txheej ruaj khov yog qhov yooj yim heev rau kev tswj cov vuam zoo thiab kev lees paub ntawm qhov ntev geometric. Vim hais tias cov kauv welded yeeb nkab muaj cov yeeb nkab tsis tu ncua thiab sib npaug sib npaug ntawm cov hlua khi, cov kauv hlau yeeb nkab tau zoo heev nozzle ovality thiab kawg nto perpendicularity piv nrog ncaj seam welded kav, uas ua kom qhov tseeb ntawm qhov chaw ntawm cov yeeb nkab vuam sib dhos.

A: Petroleum Kev Lag Luam
Kauv welded yeeb nkab yog siv dav hauv kev lag luam roj av. Cov kav dej yog siv rau ntau lub hom phiaj, suav nrog roj av, roj av, thiab dej. Kauv welded yeeb nkab kuj tseem siv los tsim cov platforms offshore thiab roj rigs.
Kev lag luam tshuaj
Kauv welded yeeb nkab kuj tseem siv rau hauv kev lag luam tshuaj. Cov kav dej yog siv los thauj ntau yam tshuaj, nrog rau cov kua qaub, cov hauv paus, thiab cov kuab tshuaj. Kauv welded yeeb nkab kuj yog siv los tsim cov tank cia thiab reactors.
Kev lag luam tsim hluav taws xob
Kauv welded yeeb nkab kuj tseem siv rau hauv kev lag luam tsim hluav taws xob. Cov kav dej muaj chav dej, dej, thiab lwm yam dej hauv cov chaw tsim hluav taws xob. Kauv welded yeeb nkab kuj yog siv los tsim cov cua txias yees thiab condensers.
Kev Lag Luam Kev Kho Dej
Kauv welded yeeb nkab kuj tseem siv rau hauv kev lag luam kho dej. Cov kav dej yog siv los nqa dej mus thiab los ntawm cov chaw kho mob. Kauv welded yeeb nkab kuj yog siv nyob rau hauv kev tsim kho ntawm reservoirs thiab dams.
Kev lag luam mining
Kauv welded yeeb nkab kuj tseem siv hauv kev lag luam mining. Cov kav dej yog siv los nqa ntau yam khoom, nrog rau cov thee, ore, thiab khib nyiab pob zeb. Kauv welded yeeb nkab kuj yog siv los tsim mine shafts thiab tunnels.

A: Kev them nyiaj yug tus qauv: Kauv welded kav yog siv dav hauv cov qauv tsim los txhawb cov qauv, xws li kab teeb, kab, hauv pem teb, ru tsev, thiab lwm yam. Kauv welded kav dej muaj zog thiab nruj, tuaj yeem tiv taus cov khoom loj thiab kev vibrations, thiab xyuas kom meej cov qauv. kev nyab xeeb thiab ruaj khov ntawm lub tsev.
Ncej qauv: Kauv welded kav kuj tuaj yeem siv los tsim cov qauv hauv tsev. Piv txwv li, siv kauv welded kav los ua steel qauv thav duab tuaj yeem txhim kho lub peev xwm thauj khoom thiab av qeeg ntawm lub tsev.
Pipeline system: Kauv welded kav yog siv rau kev teeb tsa ntawm dej, roj, hluav taws xob, cua sov thiab lwm yam kav dej hauv tsev thiab sab nraud. Lawv muaj qhov zoo ntawm kev tiv thaiv corrosion thiab siab tsis kam, ua kom muaj kev ua haujlwm zoo ntawm cov kav dej.
Kho kom zoo nkauj: Kauv welded kav kuj tseem siv tau rau kev kho kom zoo nkauj ntawm lub tsev, xws li tshem tawm ceilings, stair handrails, railings, thiab lwm yam.

A: Khoom siv
Cov ntaub ntawv xav tau rau kev tsim cov kav welded kav yog xav tau kom ceev faj cia thiab tso. Piv txwv li:
Cov hlau me me thiab nruab nrab thiab cov hlau nplaum, ntxiv rau kev khaws cia hauv lub tsev khaws khoom, tuaj yeem khaws cia rau hauv lub qhov cua kom zoo, tab sis lawv yuav tsum muab tso rau hauv lub lev.
Cov hlau loj loj tuaj yeem muab tso rau hauv qhov qhib cua.
Kev tsim khoom
Cov txheej txheem tsim khoom yog ib qho tseem ceeb heev, uas tuaj yeem txiav txim siab qhov zoo ntawm cov kav hlau welded, tsis ncaj qha cuam tshuam rau nws txoj kev ruaj ntseg. Hauv kauj ruam no, koj tuaj yeem ua cov ntsiab lus hauv qab no:
Thaum lub sij hawm tsim cov txheej txheem, lub deformation ntawm cov hlau phaj yuav tsum zoo ib yam, cov residual kev nyuaj siab yuav tsum me me, thiab cov nto yuav tsum tsis txhob khawb.
Siv cov txheej txheem ob-sided submerged arc vuam txheej txheem. Qhov no tuaj yeem paub qhov vuam hauv txoj haujlwm zoo, tsis yooj yim kom muaj qhov tsis xws luag xws li misalignment, vuam sib txawv, thiab tsis tiav kev nkag. Nws tuaj yeem tswj cov khoom zoo.
Kev tshuaj xyuas zoo yog thoob plaws kom tag nrho cov txheej txheem ntawm cov yeeb nkab steel ntau lawm nyob rau hauv kev tshawb nrhiav thiab kev saib xyuas zoo, uas ua kom cov khoom zoo.
Tag nrho cov khoom siv ntawm tag nrho cov kab ntau lawm yuav tsum sib txuas nrog lub computer cov ntaub ntawv nrhiav tau qhov system kom paub txog cov ntaub ntawv xa mus rau lub sijhawm. Uas yog hais tias, lub hauv paus tswj chav tsev yog lub luag hauj lwm rau tag nrho cov technical parameters nyob rau hauv cov txheej txheem ntau lawm.
Qhov chaw
Lub chaw tso cov khoom siv welded kav yuav tsum tau xaiv nyob rau hauv ib qho chaw huv thiab zoo-drained, deb ntawm factories thiab mines uas tsim teeb meem gases los yog hmoov av. Tsis tas li ntawd, cov nroj tsuag thiab tag nrho cov khib nyiab yuav tsum tau muab tshem tawm ntawm qhov chaw tam sim ntawd kom cov kav hlau huv huv.
Lub tsev khaws khoom
Lub warehouse yuav tsum ua raws li cov cai hauv qab no:
Feem ntau, ib lub tsev khaws khoom kaw zoo tib yam yuav tsum tau siv, uas yog, lub tsev khaws khoom nrog lub ru tsev, phab ntsa, lub qhov rooj kaw ntom ntom thiab qhov rais, thiab cov khoom siv cua.
Lub tsev khaws khoom yuav tsum tau saib xyuas kom muaj cua nkag rau hnub ci hnub ci thiab kaw kom tsis txhob ya raws hnub los nag, txhawm rau tswj kom muaj chaw cia khoom tsim nyog.
Cov ntaub ntawv uas muaj corrosive rau steel kav, xws li kua qaub, alkali, ntsev, cement, thiab lwm yam, tsis pub muab tso rau hauv lub warehouse. Tsis tas li ntawd, ntau yam ntawm cov kav hlau steel yuav tsum tau muab sib cais sib cais, xws li cov kav hlau tsis muaj steel thiab cov kav dej galvanized, kom tsis txhob muaj kev ntxhov siab thiab tiv thaiv corrosion.

A: Cov yeeb nkab ERW pib nrog lub kauj lossis cov hlua uas mus los ntawm lub tshuab rau cov menyuam. Cov kav dej kauv pib nrog coiled steel uas muaj qee lub kaum sab xis winded. Lub ERW los yog Hluav Taws Xob Hluav Taws Xob Welded yeeb nkab zoo li tshwm sim longitudinally thiab cov kav dej kauv muaj helix zoo li cov qauv ntawm cov extremities.