Aluminium Brass lossis C70600 rau Kub Exchanger

C70600 tsis muaj zinc. Aluminium tooj dag muaj txog 22% zinc, uas yog lub hauv paus ntawm nws cov teeb meem dezincification hauv kev pab cuam tshav kub.

Qhov tseem ceeb sib txawv rau cov cua kub exchanger raj:

C70600: zinc yog ib qho impurity (0.5% max). Tsis muaj kev pheej hmoo dezincification hauv koj lub tshav kub exchanger.

Aluminium tooj dag: zinc yog ib qho tseem ceeb alloying ntsiab (20-23%). Dezincification yog ib qho kev pheej hmoo tiag tiag, tshwj xeeb tshaj yog nyob rau thaj chaw sov lossis nyob ruaj khov.

Zinc yog qhov teeb meem. C70600 yuav luag tsis muaj. Aluminium tooj dag yog tag nrho ntawm nws. Rau lub neej ntev tshav kub exchanger, tsawg zinc yog zoo dua.

C70600 outperforms txhuas tooj dag nyob rau hauv feem ntau tshav kub exchanger tej yam kev mob, tshwj xeeb tshaj yog nyob rau hauv ntau dua kub thiab velocities.

Qhov twg aluminium tooj dag tseem ua haujlwm hauv cov khoom siv hluav taws xob:

Dej hiav txwv txias (hauv qab 40 degree)

Tsawg tshaj tawm (hauv qab 1.5 m / s)

Cov dej huv huv, zoo kho dej hiav txwv

Kev ua haujlwm tsis tu ncua (tsis txuas ntxiv)

Qhov twg aluminium brass tsis nyob rau hauv tshav kub exchangers:

Dej hiav txwv sov (siab tshaj 50 degree)

Kev nrawm dua (ntau tshaj 2.0 m / s)

Qhov chaw nyob ruaj khov lossis qis qis nyob ze ntawm cov ntawv raj

Cov dej tsis huv los yog dej hiav txwv

Dezincification yog ib hom kev xeb uas zinc raug xaiv tshem tawm ntawm cov hlau, tawm hauv qab tsis muaj zog, ntxeem tau tooj liab uas tsis tuaj yeem tuav lub siab. Aluminium tooj dag muaj 20-23% zinc, yog li cov khoom siv hluav taws xob ua los ntawm nws yog qhov tsis zoo.

Yuav ua li cas dezincification tshwm sim nyob rau hauv lub tshav kub exchanger:

Cov dej hiav txwv sov tawm tsam cov zinc hauv lub raj phab ntsa

Zinc dissolves thiab leaches tawm ntawm lub raj

Qhov seem yog qhov tsis muaj zog, spongy tooj liab qauv

Lub raj poob lub zog thiab tuaj yeem xau lossis tawg hauv qhov siab

Yog vim li cas C70600 tshav kub exchanger raj tsis dezincify:

Zinc yog ib qho impurity, tsis yog ib qho tseem ceeb alloying

Qhov siab tshaj plaws zinc yog 0.5%

Txawm hais tias tag nrho cov zinc leached tawm, nws yuav tsis cuam tshuam rau lub zog lub raj

Cov cim qhia ntawm dezincification nyob rau hauv lub tshav kub exchanger raj:

Tube phab ntsa hloov reddish (xim tooj liab) qhov twg nws yuav tsum yog daj-tooj ​​liab

Tubes zoo li mos thiab tuaj yeem tsoo los ntawm tes thaum lub sij hawm retubing

Pinhole leaks tshwm tsis pom tseeb sab nraud pitting

Ob lub alloys muaj cov thermal conductivity zoo sib xws. Tab sis C70600 nyob twj ywm huv dua nyob rau lub sijhawm, yog li nws cov cua sov hloov mus tau ntev dua.

Yog vim li cas qhov siab dua conductivity ntawm txhuas tooj dag tsis yeej ib txwm:

Aluminium tooj dag muaj ntau dua thermal conductivity ntawm daim ntawv

Tab sis dezincification tsim ntxeem tau, tsis muaj zog txheej uas thaiv tshav kub hloov

Biofouling txuas yooj yim dua rau txhuas tooj dag

Lub raj C70600 huv si feem ntau ua haujlwm tau zoo ib nrab corroded txhuas tooj dag raj

Tiag tiag kub exchanger piv txwv:

Lub plhaub loj thiab lub raj xa hluav taws xob muaj 2,000 lub raj

Aluminium tooj dag pob nqi 40,000.C70600bundlecosts40,000.C70600bundlecosts52,000.

Aluminium tooj dag kav 8 xyoo. C70600 kav 24 xyoo.

24-xyoo tus nqi: C70600=52,000(onebundle).Aluminumbrass=52,000(onebundle).Aluminumbrass=120,000 (peb pob).

Retube nrog C70600 yog tias koj lub tshuab hluav taws xob muaj ib qho ntawm cov xwm txheej no: dej hiav txwv sov, dej ntws ntau dua, nquag ua tsis tiav, lossis kev xav tau lub neej ntev.

Retube nrog aluminium tooj dag tsuas yog tias:

Lub tshav kub exchanger ua haujlwm hauv dej hiav txwv txias (hauv qab 40 degree)

Kev khiav ceev yog tsawg (hauv qab 1.5 m / s)

Lub tshav kub exchanger muaj tsawg tshaj li 5-10 xyoo ntawm lub neej tshuav

Koj cov peev nyiaj kiag li tsis tuaj yeem them tus nqi C70600 ua ntej

Retube nrog C70600 yog:

Dej hiav txwv kub tshaj 40-50 degree

Kev khiav ceev yog siab tshaj 1.5-2.0 m / s

Koj tau muaj dezincification ua tsis tiav ua ntej

Lub tshav kub exchanger yuav tsum khiav rau 15-20 xyoo ntxiv

Koj xav tso tseg retubing txhua 5-8 xyoo

Dab tsi koj yuav tsum tau kuaj ua ntej hloov kho:

Tube daim ntawv qhov taub (tib yam OD, haum)

Rolling txheej txheem (C70600 yog me ntsis txhav)

Gasket cov ntaub ntawv (compatible)

Q1: Dab tsi yog qhov zoo dua rau cov raj xa hluav taws xob, C70600 lossis txhuas tooj dag?

C70600 yog qhov zoo dua rau feem ntau cov ntawv siv hluav taws xob. Nws tiv taus dej hiav txwv sov, ua haujlwm siab dua, thiab tsis dezincify.Aluminium tooj dag ua haujlwm tsuas yog nyob rau hauv txias, qis tshaj tawm, huv si. Yog tias koj lub tshuab hluav taws xob kub khiav hauv dej hiav txwv sov (siab dua 40-50 degree) lossis ua tsis tiav ua ntej, xaiv C70600.

Q2: Dab tsi yog dezincification thiab nws tshwm sim nyob rau hauv lub tshav kub exchanger raj?

Dezincification yog kev xaiv tshem tawm ntawm zinc los ntawm tooj dag. Nws tawm hauv qab tsis muaj zog, ntxeem tau tooj liab uas xau. Aluminium tooj dag cua kub exchanger raj muaj 20-23% zinc, yog li lawv yog cov yooj yim.C70600 muaj yuav luag tsis muaj zinc (0.5% max), yog li nws tsis dezincify. Qhov no yog qhov # 1 vim li cas cov neeg siv hluav taws xob hloov hluav taws xob hloov txhuas tooj dag nrog C70600.

Q3: Kuv puas tuaj yeem hloov cov raj txhuas txhuas nrog C70600 hauv kuv lub tshuab hluav taws xob uas twb muaj lawm?

Yog, feem ntau. Lub OD yog tib yam, yog li lub raj ntawv lub qhov haum.Xyuas phab ntsa thickness (tej zaum yuav txawv me ntsis). Kho cov txheej txheem dov (C70600 yog ib qho nyuaj me ntsis). Tau txais kev pom zoo engineering. Ntau tus tswv ntawm lub tshav kub exchanger tau ua tiav qhov no. Koj yuav tsis tas yuav hloov cov ntawv raj.

Q4: Cov hlau twg ua haujlwm siab tshaj tawm hauv cov cua kub exchanger raj?

C70600 ua haujlwm siab dua. Aluminium tooj dag kev nyab xeeb txwv yog li 1.5-2.0 m / s. C70600 kev nyab xeeb txwv yog 2.5 m / s.Ntawm qhov nrawm tshaj 2.0 m / s, txhuas tooj dag poob nws cov yeeb yaj kiab tiv thaiv. Impingement corrosion pib ntawm lub raj inlets. Yog tias koj lub tshav kub exchanger khiav ntawm 2.0-2.5 m / s, koj xav tau C70600.

Q5: Puas yog txhuas tooj dag pheej yig dua C70600 rau cov cua kub exchanger raj?

Yog lawm, txhuas tooj dag raj feem ntau yog 20-40% pheej yig dua C70600.Txawm li cas los xij, koj tuaj yeem hloov cov txhuas tooj dag 2-3 zaug hauv lub neej ntawm ib pob C70600. Thawj qhov kev txuag ploj sai sai. Rau lub tshav kub exchanger uas khiav rau 20 xyoo, C70600 feem ntau pheej yig dua tag nrho.

Q6: Puas yog txhuas tooj dag tiv thaiv biofouling hauv cov khoom siv hluav taws xob zoo li C70600?

Aluminium tooj dag tso tawm tooj liab ions zoo li C70600, tab sis tsis tshua muaj txiaj ntsig vim nws cov ntsiab lus tooj liab qis (76% vs 88%).Nyob rau hauv kev pab cuam tshav kub exchanger, C70600 resists barnacle thiab mussel txuas zoo dua. Rau cov khoom siv hluav taws xob uas tsis tuaj yeem ntxuav tau ntau zaus, C70600 yog qhov kev xaiv zoo dua.

Q7: Puas yog txhuas tooj dag siv tau rau hauv cov dej hiav txwv sov so?

Tsis pom zoo. Cov dej hiav txwv sov (siab tshaj 50 degree) ua kom lub zog dezincification hauv txhuas tooj dag.C70600 ua tau zoo txog 60 degree. Yog tias koj lub tshuab hluav taws xob pom cov dej hiav txwv sov (qhov chaw sov, cov hluav taws xob tso tawm, cov tshuab rov ua haujlwm), C70600 yog qhov kev xaiv zoo dua.

Q8: Cov ntaub ntawv twg yog qhov yooj yim dua rau yob rau hauv cov ntawv kub kub exchanger?

Ob leeg yog rollable. Aluminium tooj dag yog me ntsis softer, yog li nws nthuav tau yooj yim dua.C70600 yog ib qho nyuaj me ntsis tab sis tseem yooj yim rau yob hauv annealed temper. Feem ntau cov raj ntawv dov cov cuab yeej ua haujlwm rau ob qho tib si. Kho koj lub dov torque me ntsis siab dua rau C70600.

Q9: Puas yog txhuas tooj dag xav tau inhibitors zoo li arsenic rau kev pabcuam tshav kub?

Yog lawm, txhuas tooj dag rau seawater heat exchangers feem ntau yog ua nrog 0.02-0.10% arsenic. Cov arsenic inhibits dezincification.Yog tsis muaj arsenic, txhuas tooj dag ua tsis tau sai. C70600 tsis xav tau ib qho inhibitor. Lub alloy yog inherently resistant rau dezincification.

Q10: Cov hlau twg muaj cov thermal conductivity zoo dua rau cov khoom siv hluav taws xob?

Aluminium tooj dag muaj thermal conductivity ntau dua ntawm daim ntawv (kwv yees 100 W / m·K vs 45 W / m·K rau C70600).Txawm li cas los xij, dezincification tsim cov khaubncaws sab nraud povtseg uas thaiv cov cua sov hloov mus. Biofouling txuas yooj yim dua rau txhuas tooj dag. Lub raj C70600 huv si feem ntau ua haujlwm tau zoo ib nrab corroded txhuas tooj dag raj hauv kev pabcuam tiag.

Q11: Puas yog txhuas tooj dag puas tseem muaj rau kev txiav txim hluav taws kub?

Yog lawm, tab sis mills tsim tsawg dua li lawv tau ua 30 xyoo dhau los.Feem ntau cov khoom tau hloov mus rau C70600. Lub sij hawm txhuas yuav ntev dua. Cov nqi yuav tsawg dua kev sib tw. Rau ntau qhov ntau thiab tsawg ntawm cov raj xa hluav taws xob, C70600 tam sim no yooj yim dua kom tau txais thiab qee zaum zoo ib yam ntawm tus nqi.

Q12: Kuv puas yuav tsum tau hloov kho los ntawm txhuas tooj dag rau C70600 thaum retubing kuv lub tshav kub exchanger?

Yog, feem ntau. Xam cov nqi lifecycle. Qhov tseem ceeb ntawm cov nqi raj, kev ua haujlwm, thiab kev tsim khoom poob thaum lub sijhawm kaw.Rau feem ntau cov tswv ntawm lub tshav kub exchanger, C70600 them rau nws tus kheej tom qab ib los yog ob lub sij hawm hloov. Yog tias koj lub tshuab hluav taws xob tsis ua haujlwm txhua 5-8 xyoo, kev kho dua tshiab rau C70600 yuav txuag koj nyiaj thiab sijhawm poob.

Ua ntej, chemistry. Peb muab cov qauv tso rau hauv peb lub spectrometer (ASTM E1473). Nickel yuav tsum nyob nruab nrab ntawm 9% thiab 11%. Hlau ntawm 1% thiab 1.8%. Yog tias nws tawm, tag nrho cov yaj raug tsis lees paub. Tsis muaj kev sib cav.

Tom qab ntawd mechanical. Ib lub raj cua kub tau rub mus txog thaum nws tawg (ASTM E8). Yuav tsum ntaus 310 MPa. Peb kuj flatten ib lub nplhaib. Nyem rau peb zaug ntawm phab ntsa. Yog nws tawg, tsis kam lees. Flare ib qho piv txwv nrog lub khob hliav qab 30 degree. Yog tias nws tawg, tsis lees paub.

Ces eddy tam sim no. Qhov no yog 100% ntawm cov hlab ntsha. Kev sojntsuam mus txog txhua lub raj (ASTM E243). Txhua lub teeb liab saum kab, lub raj tawm. Tsis muaj patching. Tsis yog "zoo txaus".

Koj tau txais Daim Ntawv Tshaj Qhia Mill Test nrog txhua qhov kev txiav txim. Kub naj npawb ntawm txhua lub raj. Yog tias koj xav tau SGS lossis BV saib, peb tuaj yeem teeb tsa qhov ntawd.

Txhua lub raj tau txais cov kaus mom yas ntawm ob qhov kawg. Khaws cov av thiab dej tawm. Ntawm cov khaubncaws sab nraud povtseg, peb muab VCI daim ntawv. Tsis txhob xeb los ntawm condensation thaum caij nkoj ntev.

Txhua pob tau shrink qhwv. Qhov ntawd seals tawm noo noo. Tom qab ntawd steel hlua, plaub mus rau rau ib pob. Rau cov raj me me los yog txiav ntev, peb siv rooj ntoo. Rau tus qauv 6m raj, steel hlua ntawm lub pallet ntoo.

Daim ntawv lo yog waterproof. Nws qhia qib (C70600 / 90/10), qhov loj (OD x BWG), tus naj npawb cua sov, qhov ntau, thiab qhov ntev.

Ua ntej lub thawv kaw, peb thaij duab thiab kaw cov ntawv ntim khoom hauv lub qhov rooj. Peb xa cov duab rau koj.

Peb melting rauv, 5 tons txhua. Tooj, npib tsib xee, hlau nkag mus.

Ob txoj kab nrib pleb ncuav cov kua ntawd rau hauv cov pob zeb loj . 80mm txog 220mm hla.

Ob lub extrusion presses (2500T thiab 3500T) xuas nrig ntaus ib lub qhov los ntawm lub billet. Tam sim no nws yog lub plhaub hollow.

Plaub pilger mills dov lub plhaub. Me txoj kab uas hla, smoother nto.

Yim lub rooj ntev zaum rub lub raj los ntawm kev tuag. Qhov no tau txais qhov tseeb OD thiab phab ntsa thickness koj nug.

Plaub lub qhov cub tawg ua kom sov lub raj rau 600 degree. Qhov ntawd softens nws yog li koj tuaj yeem khoov nws thiab yob nws mus rau hauv cov ntawv raj.

Peb txoj kab ncaj nraim thiab txiav cov kab ua rau lub raj ncaj thiab txiav rau koj qhov ntev.

Ob lub tshuab eddy tam sim no xyuas txhua lub raj ua ntej packing.

Tau Txais Cov Qauv Dawb & Kev Ntsuas