Volumetric kub exchangersmuaj kev ua tau zoo ntawm kev hloov hluav taws xob zoo thiab tsis tshua muaj kev fouling thaum lub sijhawm ua haujlwm, yog li ua tiav lub zog zoo dua - txuag cov teebmeem. Lawv kuj muaj cov cua kub ceev ceev thaum pib. Txawm li cas los xij, cov khoom siv hluav taws xob ntim hluav taws xob tuaj yeem raug kev txom nyem los ntawm corrosion tom qab siv sij hawm ntev -, thiab cov hom corrosion kuj muaj ntau haiv neeg - suav nrog loj - cheeb tsam corrosion thiab galvanic corrosion ntawm cov pob qij txha ntawm cov alloys sib txawv, thiab lwm yam. Cov lus qhia ntxaws ntxaws yog raws li hauv qab no.
I. Cov yam ntxwv ua tau zoo ntawm Volumetric Thaum tshav kub kub Exchangers
Kev Ua Haujlwm Kub Kub Zoo Tshaj Plaws: Cov kab nkhaus kauv thiab cov kab sib txuas yog qhov tsim nyog rau kev txhim kho cov dej ntws tawm hauv lub xeev. Cov dej tsis kam nyob rau hauv cov kav dej yog qhov tsawg, uas tso cai rau kev tsim cov dej ntws ntau dua thiab pab txhim kho cov cua sov coefficient. Rau cov dej -dej tshav kub pauv, qhov kub hloov coefficient tuaj yeem ncav cuag 1.8-3.5 kW / (m²·℃).
- Ua kom tiav cov khoom Series thiab xaiv tau yooj yim: Cov raj xa hluav taws xob hloov pauv tau khoov los ntawm cov raj tooj liab liab, ua kom lub neej ua haujlwm ntev.
- Kev Kub Ntxhov Kub Kub Nruab Nrab: Rau chav dej -dej tshav kub pauv, qhov hluav taws xob kub ntawm cov dej condensed yog kwv yees li 50 degree, thiab cov cuab yeej siv hluav taws xob yuav tsum tau muab ntsia rau ntawm qhov chaw sab saud thiab qis ntawm cov yeeb nkab xa rov qab, uas yooj yim rau kev khiav lag luam thiab kev saib xyuas. Rau cov dej-dej tshav kub pauv, qhov kub poob ntawm qhov nruab nrab kub yog 2-2.5 npaug ntawm cov khoom siv hluav taws xob sib txawv. Cov dej kub kub ntawm 120-150℃tuaj yeem txias mus rau 70-75℃tom qab kev sib hloov cua sov. Volumetric tshav kub exchangers rau da dej lub hom phiaj muaj zoo heev tshav kub hloov thiab tshav kub dissipation kev ua tau zoo, nrog tsawg kub poob.
- Kev txuag hluav taws xob: Thaum chav siv los ua qhov nruab nrab kub, nws tuaj yeem rov qab tau kwv yees li 15% ntawm tag nrho cov khoom siv hluav taws xob los ntawm cov dej condensed. Thaj chaw dej txias yog me me, ua rau muaj kev siv cov khoom siv ntau
- Fouling Resistance: Vim yog cov qauv tsim tshwj xeeb ntawm cov raj xa hluav taws xob, cov turbulent flow yog tsim rau sab hauv thiab sab nraud. Qhov no ua rau muaj zog scouring nyhuv ntawm lub raj phab ntsa; Meanwhile, lub tshav kub hloov raj lawv tus kheej muaj peev xwm them nyiaj kub. Los ntawm thermal expansion thiab contraction, nplai tsis tuaj yeem ua raws li cov phab ntsa sab hauv thiab sab nrauv ntawm cov cua kub hloov cov raj, yog li ua tiav cov fouling tsis kam.
- Fast Startup: Cov qauv tshwj xeeb ntawm cov cuab yeej ua rau cov dej kub uas tsim los sai sai mus txog qhov hluav taws xob dej kub rau saum lub tank. Tsis tas yuav ua kom sov feem ntau ntawm cov dej txias ua ntej muab cov dej kub tawm sab nraud.
- Tus kheej- Ntxuav: Thaum lub sij hawm sib pauv cua sov ntawm cov kauj vab, cov thermal expansion coefficients ntawm lub raj phab ntsa thiab nplai sib txawv. Raws li qhov kub thiab txias hloov, qhov ntsuas yuav poob tawm.
- Qhov chaw me me hauv pem teb: Volumetric kub exchangers rau da dej muaj ib tug heev compact ntim, uas tso cai rau lawv khaws cia ib tug ntau ntawm cov dej. Lawv kuj muaj lub taub hau poob qis, cov dej ruaj khov, thiab kev tshem tawm yooj yim
II. Hom Corrosion Damage nyob rau hauv Volumetric Heat Exchangers
Uniform Corrosion: Ib hom kev puas tsuaj corrosion uas tshwm sim ntawm tag nrho qhov chaw raug rau qhov nruab nrab lossis dhau ntawm thaj chaw loj, uas qhia txog cov yam ntxwv zoo li macroscopically.- Galvanic Corrosion (Contact Corrosion): Thaum ob lub hlau lossis cov hlau sib txawv nrog cov khoom siv hluav taws xob sib txawv nyob rau hauv kev sib cuag thiab muab tso rau hauv cov tshuaj electrolyte, cov hluav taws xob tam sim no ntws ntawm lawv. Cov hlau uas muaj peev xwm zoo dua muaj qhov txo qis corrosion, thaum cov hlau uas muaj peev xwm tsis zoo dua muaj qhov nrawm dua corrosion.
- Xaiv Corrosion: Ib qho tshwm sim uas ib qho tshwj xeeb hauv cov hlau yog yaj rau hauv nruab nrab vim yog corrosion.
- Pitting Corrosion: Ib hom kev xeb uas tsom rau ntawm tus kheej cov ntsiab lus me me ntawm cov hlau nto thiab nkag mus tob, tseem hu ua pitting lossis qhov chaw corrosion.
- Crevice Corrosion: Kev xeb loj heev uas tshwm sim hauv cov kab nrib pleb ntawm cov hlau los yog hauv cov chaw npog.
- Erosion Corrosion: Ib hom kev xeb uas cov txheej txheem corrosion yog nrawm dua vim yog kev sib txheeb ntawm qhov nruab nrab thiab cov hlau nto.
Hais txog qhov tshwj xeeb qhov ntev, qhov ntsuas siab, cov qauv kev tiv thaiv corrosion, thiab cov khoom siv hluav taws xob hloov hluav taws xob ntawm cov khoom siv hluav taws xob, koj tuaj yeem tiv tauj peb ncaj qha kom tau txais cov kev npaj tshwj xeeb, pab koj kom raug raws li koj cov khoom lossis cov txheej txheem.
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