Thaum tshav kub kub Exchanger Tube
Kub exchanger tooj liab rajyog cov khoom tseem ceeb uas txiav txim siab txog kev ua haujlwm thermal, kev pab lub neej, thiab kev ntseeg siab ntawm lub plhaub - thiab - tube heat exchangers, condensers, evaporators, thiab feedwater heaters. Txawm hais tias koj tab tom tsim lub tshuab hluav taws xob cua txias, chav ua haujlwm tshuaj, lossis lub tub yees tubrog nkoj, qhov zoo ntawm koj cov tooj liab alloy tubing ncaj qha cuam tshuam rau tag nrho cov khoom siv.
Peb tsim thiab muab tag nrho spectrum ntawmkub exchanger tubesnyob rau hauv ntau yam tooj liab alloys, tempers, thiab fin configurations, pab industries thoob ntiaj teb. Tag nrho cov khoom ua raws liASTM B111, ASME SB 111, TS EN 12451, thiabTIAB SA 1785qauv.
Cov qauv siv tau & tooj liab Alloys
Thaum qhiakub exchanger tooj liab tubes, feem ntau pom tau tias tus qauv yogASTM B111 / ASME SB111- "Standard Specification for Copper and Copper-Alloy Seamless Condenser Tubes thiab Ferrule Stock." Cov txheej txheem no suav nrog cov raj qhov ntev, cov khoom siv kho tshuab, thiab cov tshuaj lom neeg muaj pes tsawg leeg uas yuav tsum tau ua rau cov kev pabcuam cua sov.
Cov alloys feem ntau peb muab raws li ASTM B111 suav nrog:
| Alloy | UNS No. | Cov yam ntxwv tseem ceeb | Daim ntawv thov |
|---|---|---|---|
| C12200 | (DHP tooj liab) | High thermal conductivity, zoo heev brazing thiab vuam zog, zoo corrosion kuj nyob rau hauv dej tshiab | Txheem condensers, evaporators, HVAC chillers |
| C70600 | (90/10 tooj liab-Nickel) | Kev tiv thaiv zoo heev rau seawater corrosion thiab biofouling, zoo erosion kuj | Marine heat exchangers, offshore platforms, desalination nroj tsuag |
| C71500 | (70/30 tooj liab-Nickel) | Siab zog thiab superior tsis kam rau impingement nres | Siab - daim ntawv thov dej hiav txwv ceev, fais fab nroj tsuag condensers |
| C44300 | (Admiralty tooj dag) | Zoo corrosion kuj nyob rau hauv dej hiav txwv huv thiab dej brackish, dezincification-resistant | Refinery heat exchangers, industrial txias tshuab |
| C68700 | (Aluminium Brass) | Zoo heev tiv thaiv ammonia nres thiab siab -kub corrosion | Feedwater heaters, steam condensers |
Tseem ceeb:Rau cov neeg yuav khoom nrhiavASTM B111 tooj liab rajlos yogKub exchanger tooj liab raj specification, peb muab tag nrho cov ntawv xeem mills (MTR) nrog rau txhua qhov khoom xa tuaj, suav nrog cov xov tooj cua sov, tshuaj ntsuam xyuas, thiab cov txiaj ntsig kev ntsuas tshuab.
Tube Forms – Hom Kub Exchanger Copper Tubes
Ncaj Ntev Ntev Copper Tubes
Daim ntawv ntau tshaj plaws rau plhaub - thiab - raj kub exchanger manufacturing. Standard ntev ntev li ntawm 3 meters mus rau 15 meters, nrog dawb xaus los yog pre-beveled rau vuam. Sab nraud diameters feem ntau yog los ntawm 6 hli mus rau 54 hli (1/4 "mus rau 2-1/8"). Phab ntsa thicknesses ntawm 0.5 hli mus rau 3.0 hli nyob ntawm qhov ntsuas siab.
U-Kov (U-Tube) Kub Exchanger Tubes
U- khoov cov raj tooj liabyog dav siv nyob rau hauv U-tube plhaub- thiab- raj kub exchangers, qhov twg lub raj ntim tso cai rau thermal expansion yam tsis tas yuav tsum tau expansion pob qij txha. Peb U- khoov yog tsim los ntawm precision CNC dabtsi yog khoov tshuab nrog mandrel kev txhawb nqa los tiv thaiv ovality los yog phab ntsa thinning ntawm qhov khoov vojvoog.
Cov yam ntxwv tseem ceeb ntawm pebU-tube heat exchanger coils:
Khoov radii los ntawm 1.5x OD rau 5x OD
Leg lengths sib npaug los yog tsis sib npaug raws li ib daim duab
100% hydrostatic kuaj tom qab khoov
Annealed temper rau kev ntxhov siab -kev ua haujlwm pub dawb nyob rau hauv thermal cycling
U- khoov configurations yog tshwj xeeb tshaj yog muaj nyob rau hauvfeedwater rhaub, tub yees condenser, thiabtxheej txheem kub exchangersqhov twg txawv thermal expansion yog ib qho kev txhawj xeeb.
.
Finned Copper Tubes (Integral los yog qhwv)
Rau huab cua-cov cua sov hloov pauv thiab fin- kiv cua txias,finned tooj liab tubesua kom cov cheeb tsam sab nraud tuaj yeem txhim kho cov cua sov hloov ntawm cov pa roj los yog cua ntws. Peb muab:
Integral Low-Fin Tubes- Fins yog dov los ntawm lub raj phab ntsa nws tus kheej (tsis muaj cov khoom siv sab nraud ntxiv). Hom fins ceev: 16 txog 26 fins ib nti (FPI). Fin qhov siab: 1.0mm txog 1.6mm. Siv hauvcua txias evaporators thiab condensers, cua txias coils, thiabkub twj tso kua mis coils. Lub finned nto nce cua sov hloov los ntawm 2 mus rau 4 zaug piv rau cov hlab ntsha.
Qhwv lossis Embedded Finned Tubes- Aluminium los yog tooj liab fins yog spirally raug mob rau lub raj thiab mechanically bonded. Haum rau cov ntawv thov kub siab dua (txog 300 degree) thiab cov pa roj qias neeg uas yuav tsum tau ntxuav yooj yim.
Siab -Finned Tubes- Rau cov ntawv thov uas xav tau huab cua siab tshaj plaws - sab cua kub hloov mus, xws liqhuav txias txiasthiabpov tseg cov cua sov rov qab units.
Thaum cov neeg siv khoom nrhiavfinned tooj liab raj rau tshav kub exchangerlos yogib qho qis fin tooj liab raj, peb muab ob qho L-ko taw thiab sib tshooj fin hom.
Enhanced Surface (Inner Grooved) Tubes
Rau cov tub yees - mus rau - dej los yog refrigerant - mus rau - daim ntawv thov cua,puab grooved tooj liab raj(tseem hu ua micro-fin tubes) muaj kauv ridges ntawm sab hauv. Cov grooves:
Nce thaj tsam sab hauv los ntawm 20% mus rau 40%
Tsim turbulence nyob rau hauv ciam txheej
Txhim kho cov tub yees -sab tshav kub hloov coefficient txog li 50% piv rau cov bore du
Cov no yog cov qauv kev xaiv rau niaj hnubHVAC chiller evaporators, condenser coils, thiabkub twj tso kua mis kub exchangersqhov twg high efficiency thiab compact loj yog qhov tseem ceeb.
Corrugated los yog Spirally Indented Tubes
Corrugated tooj liab rajmuaj ridges raws sij hawm los yog kev nyuaj siab raws lub raj ntev. Qhov geometry no txhawb nqa qhov tsis txaus ntseeg txawm tias tsawg Reynolds tus lej, txhim kho cov cua sov hloov hauv cov kua dej khov lossis qis - daim ntawv thov nrawm. Kuj tseem siv hauvtus kheej- ntxuav cov cua kub exchangersqhov twg fouling yog ib qho kev txhawj xeeb.
Seamless raj
Raukev pab cuam tshav kub exchanger, seamless tooj liab rajyog nyiam rau siab ncaj ncees thiab corrosion kuj. Tag nrho cov raj xa los ntawm ASTM B111 yog seamless, tsim los ntawm extrusion thiab txias kos duab. Welded raj feem ntau tsis pom zoo rau kev siv hluav taws xob tseem ceeb vim tias muaj peev xwm weld seam corrosion.
Tube End Kev Npaj
Peb muab ntau lub raj kawg tiav kom haum rau koj txoj kev sib dhos:
Plain xaus- qauv rau dov lossis nthuav rau hauv cov ntawv raj
Deburred thiab ntxuav- rau brazed los yog welded pob qij txha
Beveled xaus- rau kev siv lub pob tw welding
Xov xaus- rau kev sib txuas tshuab
Mechanical Properties & Dimensional Tolerances (ASTM B111)
Rau ib yamC12200 kub exchanger tooj liab raj, cov nram qab no mechanical zog siv:
Tensile zog (Hard Temper):Tsawg tshaj 310 MPa
Tensile zog (Annealed):205-255 MPa
Yield Strength (0.5% extension):Min 275 MPa (nyuaj), kwv yees li 70 MPa (annealed)
Elongation (Annealed):Min 40% hauv 50 mm ntsuas qhov ntev
Rockwell Hardness (Annealed):F nplai 40-65
Dimensional kam rau ua rau ASTM B111:
Sab nraud txoj kab uas hla: ± 0.05 hli mus rau ± 0.13 hli nyob ntawm qhov loj me
Phab ntsa thickness kam rau ua: ± 10% ntawm nominal
Ncaj: 1.0 hli rau 3 meters siab tshaj plaws
Rau cov neeg yuav khoom nrhiavprecision tshav kub exchanger raj qhov ntevlos yognruj tolerance tooj liab condenser raj, peb tuaj yeem muab rau cov neeg siv khoom - tshwj xeeb kam rau ua dhau ASTM cov cai.
Cov ntawv thov tseem ceeb los ntawm Tube Hom
| Daim ntawv thov | Pom zoo Tube daim ntawv | Pom zoo Alloy |
|---|---|---|
| Fais fab nroj tsuag nto condenser | Ncaj ntev, tiaj | C70600 los yog C71500 |
| U-tube feedwater rhaub | U-khoov, tiaj | C12200 los yog C68700 |
| Marine tub yees condenser | Ncaj los yog U-khoov | C70600 (90/10 CuNi) |
| HVAC cua-cooled condenser | Finned tube (nruab nrab) | C12200 |
| Thaum tshav kub kub twj tso kua mis evaporator kauj | Sab hauv grooved | C12200 |
| Industrial plhaub-thiab- tube chiller | Ncaj, ncaj lossis qis -fin | C12200 lossis C44300 |
| Chemical process heat exchanger | Corrugated los yog dawb | C68700 (Al Brass) |
| Roj txias | Ncaj los yog U-khoov | C12200 |
Kev ntsuam xyuas zoo rau cov cua kub Exchanger Copper Tubes
Txhua shipping ntawmkub exchanger tooj liab tubesundergo cov kev tshuaj ntsuam hauv qab no:
Eddy Current Testing (ECT)– 100% non-destructive testing to detect pinholes, cracks, inclusions, or wall thickness variations. Raws li ASTM B111 xav tau, txhua lub raj raug kuaj.
Hydrostatic Pressure Test-Txhua lub raj yog pressurized yam tsawg kawg yog 2.5 MPa (los yog raws li tau teev tseg) thiab tuav kom paub tseeb tias tsis muaj to.
Pneumatic Test- Xaiv tau rau cov ntawv thov uas nyiam nrhiav cov pa roj.
Kev kuaj Hardness- Txheeb xyuas qhov npau taws kom raug (annealed, ib nrab-nyuaj, lossis nyuaj kos).
Expansion Test- Rau cov raj npaj rau lub raj xa ntawv nthuav dav, peb ua cov kev sim flaring thiab nthuav dav kom paub meej ductility.
Rov qab Flattening Test- Rau cov raj me me, paub meej tias lub suab ntawm lub raj phab ntsa.
Microstructure Examination- Kev txheeb xyuas qhov loj me ntawm ASTM E112, tshwj xeeb tshaj yog rau U-khoov hlab kom tsis txhob muaj kev ntxhov siab tawg.
Thaum cov neeg siv khoom nrhiavCov qauv ntsuas kub exchanger rajlos yogcertified tooj liab condenser raj, peb muab tag nrho traceability los ntawm cam khwb cia ingot mus tiav raj.
Vim Li Cas Xaiv Peb Cov Kub Kub Exchanger Copper Tubes
Tag nrho ASTM B111 ua raws- tag nrho cov alloys thiab qhov ntev tau lees paub
Ntau cov ntawv raj hauv Tshuag- ncaj, U-khoov, finned, grooved
Custom U-khoov- Tsis muaj qhov tsawg kawg nkaus rau kev rov ua dua radii
Lub sijhawm luv luv- 2 mus rau 4 lub lis piam rau cov qauv loj
Kev sab laj kev cob qhia pub dawb- xaiv alloy, raj phab ntsa suav, khoov vojvoog tswv yim
FAQ
Q1: Dab tsi yog qhov txawv ntawm ASTM B111 thiab ASTM B280 rau cov raj tooj liab?
A:ASTM B111 tshwj xeeb npogseamless tooj liab alloy raj rau cua sov exchangers thiab condensers. ASTM B280 npogseamless tooj liab raj rau cua txias thiab tub yees kev pab cuam(cov kab txuas, tsis yog cov khoom siv hluav taws xob sab hauv). Rau lub plhaub - thiab - raj kub exchangers, koj xav tau ASTM B111.
Q2: Koj puas tuaj yeem muab U- khoov cov raj tooj liab nrog qhov ntev tsis sib xws?
A:Yog lawm. Peb tsimU-tubnrog sib npaug los yog tsis sib npaug ob txhais ceg raws li koj daim duab. Yam kam rau ua: ± 1.5 hli ntawm ceg ntev, ± 0.8 hli ntawm qhov nruab nrab - mus rau - nruab nrab nrug.
Q3: Dab tsi yog qhov siab tshaj plaws lub raj ntev koj tuaj yeem muab rau cov raj xa hluav taws xob ncaj nraim?
A:Mus txog15 metersrau txoj kab uas hla hauv qab 25 mm. Rau txoj kab uas hla loj, mus txog 12 meters. Ntev ntev tuaj yeem npaj los ntawm kev txiav txim tshwj xeeb.
Q4: Puas yog koj lub raj finned tooj liab haum rau siab - cua txias cua txias?
A:Pebqhwv fin tubesnrog aluminium fins tuaj yeem ua haujlwm txog 300 degree. Rau qhov kub siab dua, peb pom zoo kom cov tooj liab fins lossis stainless hlau fins. Thov muab koj qhov ntsuas kub ua haujlwm rau kev xaiv kom raug.
Q5: Kuv yuav xaiv li cas ntawm C12200 thiab C70600 rau seawater heat exchanger?
A:Rau cov dej huv huv nrog kev tshaj tawm hauv qab 2 m / s,C12200tej zaum yuav tau txais kev pabcuam luv luv -. Rau ntev - kev cia siab rau lub sijhawm (5+ xyoo) lossis siab dua,C70600 (90/10 tooj liab-nickel)tau pom zoo. Nws resists impingement nres thiab pitting corrosion nyob rau hauv marine ib puag ncig.
Q6: Koj puas muab cov ntawv qhia kev nthuav dav rau koj cov hlab?
A:Yog lawm. Peb tuaj yeem pom zoo kom dov torque ranges, expansion qhov tob, thiab lubrication yuav tsum tau raws li koj cov ntaub ntawv raj (carbon steel, stainless, los yog tooj dag).
Q7: Dab tsi yog qhov tsawg kawg nkaus khoov vojvoog rau U-khoov tshav kub exchanger raj?
A:Rau annealed C12200 tooj liab, qhov tsawg kawg nkaus pom zoo khoov vojvoog yog1.5 x OD. Piv txwv li, 19 hli OD raj tuaj yeem khoov mus rau 28.5 hli nruab nrab vojvoog. Tighter radii xav tau cov cuab yeej tshwj xeeb thiab tuaj yeem txo cov phab ntsa tuab.
Q8: Puas yog koj lub raj xa hluav taws xob tuaj nrog cov ntawv qhia txog zeb (MTR)?
A:kiag li. Txhua qhov khoom xa tuaj suav nrogEN 10204 Hom 3.1zeb xeem ntawv qhia qhia txog tshuaj muaj pes tsawg leeg, mechanical zog, thiab dimensional verification.
Peb lub Hoobkas & Khoom siv
Peb tsimkub exchanger tooj liab tubesnyob rau hauv ib qho chaw tshwj xeeb ntawm18,000 square metersnrog rau txhua xyoo muaj peev xwm ntau tshaj 12,000 metric tons. Peb cov kab ntau lawm yog nruab tshwj xeeb rau cov cua kub exchanger qib tubing.
Cov cuab yeej tseem ceeb:
2 x 2000MT Extrusion Presses- Ua seamless raj hollows los ntawm 100% electrolytic tooj liab cathode
6 High-Precision Cold Drawing Benches- Qhov siab tshaj plaws kos nrawm 60 m / min, ua tiav qhov siab ntawm ± 0.02 hli ntawm OD thiab ± 0.01 hli ntawm phab ntsa thickness
Tswj Huab Cua Tswb Annealing Rauv- 8 lub qhov cub nrog hydrogen-nitrogen cua kom ci, oxide-dawb sab hauv. Tseem ceeb rauU- khoov rajtiv thaiv kev tawg thaum khoov
CNC Mandrel Tube Benders- 4 qhov chaw khoov muaj peev xwm ua tauU- khoovlos ntawm 12 hli mus rau 38 hli OD nrog zoo tib yam khoov radii thiab tsis muaj ovality
Integral Fin Rolling Tshuab- Rau kev tsim cov qis -fin tubes los ntawm 16 txog 26 FPI
Inner Grooving Tshuab- Rau kauv sab hauv groove raj siv nyob rau hauv siab -kev ua haujlwm kub twj tso kua mis thiab chillers
Online Eddy Tam sim no Tester (Foerster, Lub teb chaws Yelemees)- 100% kev tshuaj xyuas nrog cov cim tsis raug thiab tsis lees paub qhov system
Hydrostatic Test chaw nres tsheb- 6 lub taub hau kuaj, siab tshaj 15 MPa
Cov Khoom Siv Lab Zoo:
Optical emission spectrometer (OE750) rau kev kuaj xyuas alloy
Universal tensile xeem tshuab (60 kN peev)
Micro hardness tester (Vickers nplai)
Metallurgical microscope rau grain loj tsom xam
Cov ntawv pov thawj:
ISO 9001: 2015 (Kev Tswj Xyuas Zoo)
ISO 14001: 2015 (Kev Tswj Xyuas Ib puag ncig)
ASME SB111 ntawv pov thawj rau U-stamp heat exchanger Cheebtsam
Lloyd's Register (LR) hom kev pom zoo rau marine heat exchanger raj
Ntim
Kev ntim khoom kom zoo yog qhov tseem ceeb raukub exchanger tooj liab tubeskom tuaj txog tsis muaj dents, khawb, lossis kab mob sab hauv. Peb lub tshuab ntim khoom yog tsim los rau ob qho tib si hiav txwv freight thiab overland shipping.
Ncaj Ntev Tubes:
Bundles yog tsim nrog interleavedkraft ntawvlos yogua npuas ncauj ntawvnruab nrab ntawm cov khaubncaws sab nraud povtseg tiv thaiv kev puas tsuaj
Txhua pob yog ruaj nrognylon hlua(tsis yog hlau, kom tsis txhob galvanic marking)
Cov raj yog qhwv hauvVCI (Vapor Corrosion Inhibitor) zaj duab xisthiab tom qab ntawdhnyav -lub luag haujlwm woven polypropylenentaub
Ntoo crates yogISPM-15 ua rawsrau kev xa khoom thoob ntiaj teb, nrog rau hauv npuas padding ntawm ob qho kawg
Crates yog stackable mus txog 3 siab nyob rau hauv shipping ntim
U-Bend Tubes:
Txhua lub U-tube pob yog muab tso rau hauv aplywood taisnrog tsim ua npuas ncauj hnab tshos uas cradle txhua khoov
Ob txhais ceg yog sib cais los ntawm cov yas comb spacers los tiv thaiv kev cuam tshuam thiab khawb
Ntau lub tais yog qhwv thiab qhwv ua ib qho chaw
Khoov vojvoog thaj chaw muaj kev tiv thaiv nrogcorrugated cardboard lub tes tsho
Finned thiab Grooved Tubes:
Finned tubes yog ntim nrogntxiv ua npuas ncauj paddingnruab nrab ntawm cov khaubncaws sab nraud povtseg tiv thaiv fin tswv yim los ntawm dabtsi yog khoov
Kauv qhwv nrog qis-tack zaj duab xis kom tsis txhob muaj cov nplaum nplaum
Cov kaus mom kawg siv rau ob qhov kawg ntawm txhua lub raj kom tiv thaiv cov khib nyiab nkag
Coiled Tubes (rau cov kab me me):
Hlau los yog yas reels nrog txoj kab uas hla kev tiv thaiv
Qhov siab tshaj plaws coil hnyav: 800 kg ib reel
Stretch qhwv thiab banded rau reel flanges
Labeling & Cov ntaub ntawv:
Txhua pob khoom muaj huab cua-cov ntawv tiv thaiv uas qhia tias:
Cov neeg siv khoom PO tus lej
ASTM B111 alloy thiab temper
Tube OD, phab ntsa thickness, thiab ntev
Thaum tshav kub kub tooj (traceable rau MTR)
Bundle hnyav thiab kom muaj nuj nqis
Cov lus qhia tuav:"Tsis txhob dov" / "Huab cua kub cua sov - tiv thaiv kawg"
Daim ntawv ntim khoom thiab tag nrho MTRs tau muab tso rau hauv lub hnab dej tsis muaj dej txuas nrog rau thawj lub crate, ntxiv rau cov ntawv luam tawm los ntawm email.
