Yuav Ua Li Cas Tswj Cov Roj Leakage & Siab hauv 1500kVA Roj Sau Cov Hloov Hloov Tank?

Roj to thiab tswj tsis tau siab yog ob qho laj thawj feem ntau ua rau tsis ua hauj lwm ntxov hauv cov kua - cov khoom siv fais fab. Yog koj tsis paubyuav ua li cas tswj roj to & siab hauv a1500kVA Roj Filled Transformer tank, koj cov peev nyiaj yuav muaj kev pheej hmoo ntawm kev nplua ib puag ncig, tsis tau npaj tseg, thiab txawm tias muaj kev puas tsuaj rau lub tank tawg.

 

Raws li ISO9001: 2015 cov chaw tsim khoom muaj ntawv pov thawj nrog ntau tshaj 18 xyoo ntawm kev paub thiab 30,000㎡ ntse Hoobkas, GNEE tau tsim ntau txhiab lub tso tsheb hlau luam uas nyob twj ywm - dawb rau 25+ xyoo. Hauv phau ntawv qhia dav dav no, peb nthuav tawm cov txheej txheem pov thawj-los ntawm kev sib txuas ntawm cov neeg hlau mus rau cov cuab yeej siv siab nyem- uas ua kom koj1500kVA Roj Filled Transformerua haujlwm zoo nyob rau hauv txhua yam kev mob.

 

GNEE Hoobkas warehouse nrog 1500kVA Roj Filled Transformer tso tsheb hlau luam npaj rau kev xa khoom

 

 

Kev nkag siabYuav ua li cas tswj cov roj to & siab hauv 1500kVA Roj Filled Transformer tankpib nrog kev paub txog qhov tshwm sim ntawm kev ua tsis tiav. Lub tank tsis yog lub thawv tsis muaj zog- nws yog lub nkoj muaj zog uas muaj kev cuam tshuam rau thermal expansion, vibration, thiab dielectric stress.

 

Tus nqi siab ntawm cov roj tawm

Txawm tias ib tug pinhole -loj los ntawm ib1500kVA Roj Filled Transformer tankcoj mus rau:

 

• Dielectric kev puas tsuaj: Oil level drops, exposing windings to air and moisture, which reduces insulation strength from >40 kV/mm rau<10 kV/mm.
• Environmental txim:Cov roj nchuav ua rau cov kev cai nplua (EPA, cov koom haum hauv zos) thiab cov nqi kho mob.
• Ua haujlwm downtime:Nrhiav thiab kho cov dej xau feem ntau yuav tsum tau ua kom lub zog ntawm lub tshuab hloov pauv, nres tag nrho koj qhov chaw.
• Hluav taws kub:Cov roj tso ze ze ntawm cov hluav taws xob kub lossis hluav taws xob sib txuas ua rau muaj hluav taws kub hnyav.

 

Txoj Kev Phem Txhaum Cai Tsis Txaus Siab

Raws li lub transformer ua haujlwm, roj kub nce los ntawm ambient (piv txwv li, 20 degree) mus rau ntau tshaj 100℃ntawm qhov kub. Roj ntim nthuav dav li ntawm 5-7%.

 

Yog tsis tsim nyogtswj siab, lub tank kev paub:

• Bulging los yog mus tas li deformation:Rov ua dua lub voj voog qaug zog hlau.
• Gasket extrusion:Kev kub siab ua rau cov pa taws mos tawm ntawm cov flange pob qij txha.
• Tank rupture:Hauv cov xwm txheej tsis tshua muaj tshwm sim (sab hauv arc txhaum), lub siab spikes tuaj yeem tawg lub tank, ua rau shrapnel thiab roj hluav taws kub.

 

Regulatory & Insurance Requirements

Feem ntau cov tuam txhab tuav pov hwm kev lag luam thiab cov kab lis kev cai ua haujlwm tau sau tsegroj to thiab tswj siabntsuas. Lub tshuab hluav taws xob tsis muaj qhov ua haujlwm siab nyem valve (PRV) lossis nrog pom kev quaj quaj yuav tsis raug tshuaj xyuas thiab yuav tsis muaj kev lees paub.

 

Tank vuam rau 1500kVA Roj Filled Transformer

 

 

Koj tsis tuaj yeem tswj cov xau tom qab lub tank ua haujlwm tsis zoo.Yuav ua li cas tswj roj to & siabpib nrog kev tsim lub tank kom raug thiab cov txheej txheem tsim khoom. GNEE ua raws li cov txheej txheem nruj.

 

Kev xaiv cov khoom & Thickness xam

• Qib steel:Peb siv Q235B kub- dov steel (los yog stainless hlau 304/316 rau corrosive ib puag ncig). Lub tank phab ntsa tuab yog xam raws li qhov siab tshaj qhov xav tau (feem ntau 0.7-0.8 bar) ntxiv rau qhov kev nyab xeeb ntawm 3 ×.
• Kev tiv thaiv corrosion: Internally, tanks are coated with epoxy or oil-resistant paint. Externally, we apply primer + topcoat (RAL colors) with a dry film thickness >120 μm.

 

Robotic Vuam - Tshem tawm tib neeg yuam kev

Tag nrho cov seams ntev (lub cev tank, hauv qab phaj, npog flange) yog welded sivrobotic MIG/MAG welding. Cov txiaj ntsig muaj xws li:

• Qhov tob tob tob (tsis muaj qhov txias txias).
• Tsis muaj porosity lossis slag suav nrog.
• Repeatable parameter nyob rau hauv ntau lub tank.

Weld seam tshuaj xyuas ntawm dye penetrant (PT) lossis radiographic (RT) kuaj ntawm cov qauv batch.

 

100% Leak Testing Protocol

Txhua1500kVA Roj Filled Transformer tanktawm GNEE lub rooj cob qhia undergoes:

• Pressurization nrog cua qhuavmus rau 0.3 bar saum toj ib txwm ua haujlwm siab.
• Submersion nyob rau hauv lub tank dejtsawg kawg yog 30 feeb.
• Kev tshuaj xyuas qhov muagrau tej kwj ntawm npuas.
• Helium leak detection(xaiv tau rau cov neeg siv khoom tseem ceeb) kom pom cov xau me me li 1 × 10⁻⁵ mbar·L / s.
• Tsuas yog tso tsheb hlau luam nrog xoom npuas tsim dhau peb QC rooj vag.

 

Flange & Npog Tsim

 

Pav ca npog nrog bolting tsis txaus yog qhov chaw xau. GNEE siv:

• Reinforced flangesnrog tsawg kawg ntawm 16 bolts rau 1500kVA tank npog.
• Precision-machined gasket groovestiv thaiv lateral extrusion.
• Stainless hlau studsnrog los tiv thaiv- txeeb lubrication kom zoo ib yam torque.

 

 

Txawm tias lub tank zoo kawg nkaus welded yuav xau yog tias gaskets tsis ua haujlwm. Masteringyuav ua li cas tswj roj to & siabyuav tsum xaiv cov khoom siv gasket zoo thiab txoj kev teeb tsa.

 

Kev xaiv cov khoom siv rau Transformer Roj

Tsis yog tag nrho cov roj hmab tiv thaiv cov roj transformer. GNEE siv:

• NBR (Nitrile Butadiene Roj Hmab):Standard xaiv, zoo heev roj kuj, kub ntau yam -40℃rau +120℃.
• FKM (Fluorocarbon / Viton®):Rau siab - kub lossis tshuaj lom neeg - cov ntawv siv tiv taus, thaj tsam -20℃rau +200℃.
• Silicone ua npuas ncauj (rau conservator diaphragms):High yooj thiab tsawg compression teeb.

Peb zam cov roj hmab ntuj lossis EPDM, uas o thiab degrade hauv cov roj ntxhia.

 

Gasket Geometry & Compression

Lub gasket tsis yog tsuas yog ib tug roj hmab sawb. GNEE engineers qhia meej tias:

• Hla -section:Rectangular lossis O-ntiv nplhaib profile nyob ntawm flange tsim.
• Compression ratio:20-25% ntawm thawj thickness. Tsawg compression=txoj kev xau; ntau dhau=gasket tawg.
• Torque sequence:Bolts tau nruj rau hauv lub hnub qub qauv rau 80% ntawm lub zog tawm los siv calibrated torque wrenches. Peb muab qhov tshwj xeeb torque ntawm lub npe phaj.

 

Hloov Lub Sij Hawm

Txawm tias qhov zoo tshaj plaws gaskets hnub nyoog. GNEE recommends:

• Kev tshuaj xyuas txhua 2 xyoosrau pom cracking los yog hardening.
• Hloov txhua 10-12 xyoorau NBR gaskets.
• Hloov txhua 15-20 xyoorau FKM gaskets.

 

 

Passive tsim (tuab steel, zoo gaskets) tsis txaus.Yuav ua li cas tswj roj to & siabkuj yuav tsum muaj cov khoom siv nquag uas teb rau cov kev hloov pauv.

 

Siab Relief Valve (PRV)

Txhua1500kVA Roj Filled Transformer tankyuav tsum muaj lub caij nplooj ntoos hlav -loaded PRV. GNEE qhov chaw valves nrog:

• Teem siab:0.7-0.8 bar (kho tau).
• Reseat siab:Tsis pub dhau 70% ntawm kev teeb tsa siab kom tsis txhob quaj tas li.
• Visual indicator:Ib tus chij liab lossis pop-up pin qhia tias lub valve tau ua haujlwm.

Sealing Cap:Tiv thaiv kom tsis txhob ya raws thaum tso pa tawm.

 

Sudden Pressure Relay (SPR)

For internal arc faults (rare but catastrophic), pressure rises at rates >1 bar / ms Ib qho SPR tawm mus rau qhov hluav taws xob sab hauv hluav taws xob hauv 2-3 milliseconds, txwv kev puas tsuaj. GNEE muab Buchholz relays ua ke nrog SPR kev ua haujlwm.

 

Roj Conservator System (Rau Cov Tank Sealed)

Feem ntau 1500kVA transformers siv akev ruaj ntseg tankmounted saum lub ntsiab tank. Raws li cov roj nthuav dav, nws ntws mus rau hauv lub conservator. Cov ntsiab lus tseem ceeb:

• Diaphragm los yog zais zis:Separates roj los ntawm huab cua puag ncig, tiv thaiv oxidation thiab noo noo ingress.
• Dehydrating breather:Muaj silica gel kom qhuav cov huab cua uas nkag mus rau hauv lub conservator.
• Sib nqus roj qib gauge:Muab tej thaj chaw deb nyeem ntawv qib roj.

Yog tsis muaj tus neeg saib xyuas (tsim hermetically kaw), lub tank yuav tsum tiv taus kev nthuav dav tag nrho, uas ua rau muaj kev pheej hmoo xau.

 

Vacuum Breaker / Anti-Nqus Valve

Thaum lub transformer txias los yog de{0}}energized, roj cog lus, tsim lub nqus tsev vacuum. Yog tsis muaj lub tshuab nqus tsev vacuum, lub tank tuaj yeem tawg rau sab hauv lossis nqus cua hauv cov huab cua los ntawm cov xau me me. GNEE teeb tsa ib qho - txoj kev valve uas qhib ntawm -0.2 bar kom lees txais huab cua qhuav.

 

 

Txoj kev xav tsis txaus. GNEE validates txhua1500kVA Roj Filled Transformer tanknrog rau kev xeem nruj.

Kuaj	Txoj kev	Kev lees txais	Ntau zaus
Weld seam kev kuaj pom	VT (Visual Testing) raws li ISO 17637	Tsis muaj kab nrib pleb, porosity, los yog undercut	100% ntawm seams
Dye penetrant test	PT (Penetrant Testing) raws li ISO 3452	Tsis muaj qhov taw qhia liab	10% ntawm seams ntev
Air pressure leak test	Tank pressurized rau 0.3 bar, submerged	Zero npuas rau 30 min	100% ntawm cov tank
Helium leak test (yeem)	Helium spray + mass spectrometer	< 1×10⁻⁵ mbar·L/s	Los ntawm tus neeg thov
Kev ntsuas siab nyem valve	Calibrated cua qhov chaw + siab ntsuas	Qhib lub siab ± 0.05 bar	100% li qub
Nqus kuaj	Tshem tawm lub tank mus rau 50 Pa absolute	Siab nce <100 Pa hauv 1 teev	100% ntawm cov tank

 

 

Hauv qab no yog cov qauv ntsuas rau GNEE1500kVA Roj Filled Transformer tankengineered rau xoom leakage thiab kev ruaj ntseg siab tswj.

Parameter	GNEE Standard Specification	Sau ntawv
Cov khoom siv tank	Q235B kub- dov steel	Stainless hlau 304/316 yeem
Phab ntsa thickness (lub cev)	6 hli (min)	Muab xam rau ASME Tshooj VIII
Phab ntsa thickness (cover)	10 hli (min)	Reinforced rau flange rigidity
Vuam txheej txheem	Robotic MIG/MAG	100% visually soj ntsuam
Leak test siab	0.3 bar (cua hauv dej)	Zero npuas rau 30 min
Siab nyem valve set point	0.7-0.8 hli	Adjustable, nrog qhov taw qhia pom
Lub tshuab nqus tsev vacuum set point	-0.2 hli	Ib - txoj kev valve
Conservator hom	Diaphragm los yog zais zis	Tiv thaiv roj- huab cua
Dehydrating breather muaj peev xwm	1.5 kg ntawm silica gel	Xim- qhia hom
Gasket khoom	NBR (tus qauv) / FKM (yeem)	Qhov kub ntawm -40℃rau +120 degree
Kev tiv thaiv corrosion (sab nraud)	Epoxy primer + polyurethane topcoat	>120 μm DFT, RAL xim
Kev tiv thaiv corrosion (Internal)	Roj-resistant epoxy txheej	Kev xaiv rau cov roj nruj
Kev siv tus qauv	IEC 60076-1, ANSI C57.12.00	Cov ntawv qhia tag nrho tau muab
Warranty	12 lub hlis tiv thaiv kev xau	Kev pab txhawb nqa lub neej

 

 

Ntev npaum li cas kuv yuav tsum ntsuas kuv 1500kVA Roj Filled Transformer tank?
GNEE pom zoo kom muaj qhov ntsuas huab cua puv nkaus txhua 5 xyoo thaum lub sijhawm npaj kho. Rau kev teeb tsa tseem ceeb, ib xyoos ib zaug helium sniff xeem yog qhia.

 

Kuv puas tuaj yeem kho qhov welded los ntawm qhov chaw?
Tsuas yog tias koj tso cov roj, ntxuav nrog cov roj inert, thiab siv cov ntawv pov thawj welder. Feem ntau qhov chaw kho tsis tau. GNEE pom zoo kom xa lub tank mus rau lub rooj cob qhia kom raug vuam thiab kev kho cua sov.

 

Dab tsi yog qhov feem ntau ua rau gasket tsis ua haujlwm?
Tsis sib npaug bolt torque (dhau -tightening ntawm ib sab) thiab thermal aging (hardening). Siv lub torque wrench thiab hloov gaskets txhua 10-12 xyoo.

 

Puas yog GNEE muab retrofit siab nyem li qub rau cov hloov pauv qub?
Yog lawm. Peb tuaj yeem muab PRVs, lub tshuab nqus tsev vacuum, thiab cov khoom siv txuag nrog cov flanges adapter kom haum rau lub tank qhib. Tiv tauj peb nrog koj daim duab tank.

 

Yuav ua li cas yog hais tias lub dehydrating breather silica gel hloov liab?
Nws yog saturated nrog noo noo. Hloov lossis rov tsim dua (ci ntawm 120℃rau 4 teev). Lub tshuab nqus pa paj yeeb tso cai rau huab cua ntub rau hauv qhov chaw khaws cia, uas yuav ua rau cov roj paug.

 

 

PaubYuav ua li cas tswj cov roj to & siab hauv 1500kVA Roj Filled Transformer tankyog qhov tseem ceeb rau kev tiv thaiv koj cov cuab tam, koj cov neeg, thiab ib puag ncig. Los ntawm kev sib txuas ntawm cov neeg hlau thiab 100% kev soj ntsuam cov pa taws kom raug raws li cov gaskets, lub siab nyem li qub, thiab lub tshuab txuag, txhua yam tseem ceeb. Lub tank uas xau los yog ruptures yuav raug nqi koj ntau tshaj qhov kev nqis peev ua ntej hauv kev tsim khoom zoo.

 

Thov Ib Daim Quote

 

Puas yog koj tab tom nrhiav 1500kVA Roj Filled Transformer rau kev lag luam, kev siv hluav taws xob, lossis hluav taws xob txuas ntxiv?Tsis txhob txais cov tso tsheb hlau luam nrog cov lus nug welds lossis cov khoom siv tsis zoo.Hu rau GNEE hnub nothov kom muaj cov ntaub ntawv qhia ntxaws ntxaws, kos duab lub tank customized, thiab lub Hoobkas - hais ncaj qha.

 

Nug peb rau kev ncig saib video nyob ntawm peb cov welding thiab xau kuaj kab. Cia GNEE xa lub tank hloov pauv uas nyob twj ywm qhuav, nyab xeeb, thiab xau-dawb rau 25+ xyoo- lav.