Hauv cov lag luam xws li tshuaj lom neeg, metallurgy, dej khib nyiab kho, ntawv thiab thiab kev tsuas, cov khoom ntawm kev ntsuas ntws feem ntau muaj cov yam ntxwv nyuaj suav nrog cov khoom khov-containing corrosive lossis viscous. Cov cuab yeej ntsuas ntws zoo li orifice phaj lossis vortex flowmeters feem ntau ntsib teeb meem xws li clogging, hnav, corrosion tsis ua haujlwm lossis poob qhov tseeb thaum cuam tshuam nrog cov khoom nruab nrab zoo li no. Siv nws cov ntsiab cai ntsuas tshwj xeeb thiab cov yam ntxwv ntawm cov qauv, lublub tshuab ntsuas hluav taws xobyog suav hais tias yog cov cuab yeej nyiam tshaj plaws rau kev ntsuas kev ntws ntawm cov xov xwm qias neeg thiab corrosive hauv kev tswj cov txheej txheem kev lag luam.
Lub tshuab ntsuas dej electromagnetic ua haujlwm raws li Faraday txoj cai ntawm electromagnetic induction. Lub hauv paus ntsiab lus hais tias electromagnetic flowmeters tsuas yog vam khom lub zog hluav taws xob ntawm cov kua thiab tsis cuam tshuam los ntawm cov yam xws li cov kua ceev, viscosity, kub thiab siab. Cov qauv, lub raj ntsuas ntawm lub tshuab ntsuas dej electromagnetic muaj lub tsev, lub liner thiab electrodes. Lub liner nyob rau hauv kev sib cuag ncaj qha nrog cov txheej txheem nruab nrab, muab kev rwb thaiv tsev thiab kev tiv thaiv xeb; cov electrodes tau muab tso rau hauv lub liner thiab ua kev sib cuag nrog cov kua kom pom qhov hluav taws xob induction; lub tsev muab lub zog kho tshuab thiab txhawb nqa lub voj voog sib nqus. Qhov kev teeb tsa qauv no tso lub hauv paus rau kev hloov kho rau cov xwm txheej ua haujlwm nyuaj.
Feem ntau cov khoom qias neeg muaj cov khoom khov kho, cov fibers lossis cov khoom nplaum. Cov khoom siv throttling, cov khoom tig, lossis cov kab me me uas feem ntau pom muaj nyob rau hauv cov flowmeters ib txwm muaj kev cuam tshuam loj heev rau kev txhaws lossis hnav. Cov txiaj ntsig ntawm electromagnetic flowmeter nyob rau hauv cov xwm txheej ua haujlwm no feem ntau pom hauv ob qho:
Cov qauv tsis muaj kev thaiv:Txoj kev ntsuas ntawm lub tshuab ntsuas hluav taws xob yog ib lub yeeb nkab ncaj nraim uas tsis muaj qhov tawm lossis txav mus los sab hauv. Thaum cov kua dej ntws los ntawm lub cuab yeej, tsis muaj kev hloov pauv sai sai hauv qhov seem, tiv thaiv cov khoom khov lossis cov fibers kom tsis txhob sib sau ua ke hauv lub cuab yeej. Piv nrog ntau hom kev ntsuas siab sib txawv, lub tshuab ntsuas hluav taws xob tshem tawm qhov kev pheej hmoo ntawm qhov chaw ntsaws siab; nrog rau cov turbine thiab cov ntsuas hloov pauv zoo, nws zam kev ua tsis tiav los ntawm kev sib tsoo lossis hnav ntawm lub rotor.
Kev Hloov Kho Kom Haum Rau Cov Khoom Khoob-Kua Ob-Theem Ntws:Lub teeb liab ntawm lub tshuab ntsuas hluav taws xob tuaj yeem ruaj khov thaum cov khoom nruab nrab muaj cov khoom khov vim tias lub zog hluav taws xob uas tau tsim los ntawm qhov ceev ntawm cov kua dej txuas ntxiv mus. Ntxiv mus, lub tshuab ntsuas hluav taws xob siv cov thev naus laus zis siab thiab cov txheej txheem ua cov teeb liab digital uas ua rau muaj suab nrov nrov los ntawm cov khoom me me uas cuam tshuam rau cov electrodes, tswj tau qhov tseeb siab hauv kev ntsuas cov khoom khov-kua dej xws li pulp, slurry thiab av nkos.
Ntau yam kua qaub corrosive, alkalis, ntsev solutions, thiab organic solvents ua rau muaj kev cai nruj heev rau kev tiv thaiv corrosion ntawm cov khoom siv flowmeter ntub. Lub electromagnetic flowmeter ua tiav kev rho tawm zoo thiab kev ntsuas txhim khu kev qha ntawm cov xov xwm corrosive los ntawm kev sib koom ua ke ntawm cov ntaub ntawv hauv ob sab phlu thiab electrode.
Cov khoom siv hauv pem tebUa haujlwm ua haujlwm ntawm kev sib cuag ncaj qha rau cov khoom nruab nrab thiab cais nws tawm ntawm cov hlau vaj tse. Nyob ntawm cov yam ntxwv corrosive ntawm cov khoom nruab nrab, cov ntaub ntawv xws li PTFE, polyurethane, lossis chloroprene roj hmab tuaj yeem xaiv tau. PTFE qhia txog kev tsis muaj zog tshuaj lom neeg zoo heev, muaj peev xwm tiv taus kev yaig los ntawm feem ntau cov khoom nruab nrab corrosive tshwj tsis yog cov hlau alkali molten thiab qee cov fluorides, thaum tseem muaj cov khoom tiv thaiv kev nplaum zoo.
Cov khoom siv hluav taws xobraug xaiv raws li cov yam ntxwv xeb electrochemical nruab nrab. Cov ntaub ntawv siv feem ntau suav nrog SS316L, Hastelloy B/C, titanium, tantalum thiab platinum alloys. Rau cov kua qaub lossis cov tshuaj uas muaj chloride ions corrosive heev, tantalum lossis platinum electrodes tuaj yeem muab kev tiv thaiv txhim khu kev qha. Los ntawm kev xaiv cov ntaub ntawv hauv ob sab hauv thiab electrode, lub electromagnetic flowmeter tuaj yeem hloov kho rau ntau yam kev ua haujlwm txij li me ntsis mus rau corrosive heev.
Electromagnetic flowmeter kuj muaj qee cov yam ntxwv uas ua rau kev ntsuas ntawm cov khoom qias neeg thiab corrosive:
Kev Poob Siab Tsawg:Vim tsis muaj qhov throttling element, yuav luag tsis muaj qhov poob siab ntxiv thaum ntsuas nrog electromagnetic flowmeter uas tuaj yeem yog qhov tseem ceeb rau cov khoom siv viscosity siab lossis cov txheej txheem nrog lub peev xwm xa khoom tsawg.
Kev Ruaj Ntseg Mus Ntev:Lub tshuab ntsuas dej ntws hluav taws xob tsis muaj qhov chaw txav mus los, zam kev teeb meem xws li kev qaug zog ntawm lub tshuab, kev hnav lossis kev qaug zog. Tsuav yog cov ntaub ntawv hauv ob sab hauv thiab cov khoom siv hluav taws xob raug xaiv kom raug, nws qhov kev ruaj khov mus sij hawm ntev tuaj yeem zoo dua li cov tshuab lossis cov ntsuas dej ntws uas muaj zog, nrog rau kev txo qis kev xav tau kev saib xyuas.
Elub tshuab ntsuas hluav taws xobqhia txog qhov zoo tshwj xeeb hauv kev ntsuas cov khoom qias neeg / corrosive. Txawm li cas los xij, qhov ua tau zoo ntawm txhua qhov kev daws teeb meem kev siv tshuab yog tsim los ntawm lub hauv paus ntawm cov xwm txheej siv tau. Nws yog qhov tseem ceeb tshwj xeeb kom nco ntsoov tias qhov yuav tsum tau ua ua ntej rau kev ntsuas electromagnetic flowmeter yog tias cov khoom ntsuas yuav tsum muaj qee qib ntawm kev ua hluav taws xob (feem ntau tsis tsawg dua 5 ~ 15μS/cm). Rau cov kua uas tsis conductive lossis cov kua uas tsis conductivity xws li dej deionized, cov hydrocarbon solvents, thiab roj, lub hauv paus ntsiab lus no tsis tuaj yeem tsim kom muaj lub zog electromotive zoo thiab tsim kom muaj kev ntsuas tau.Shanghai Wangyuanyog ib lub chaw tsim khoom siv tes ua uas muaj ntau tshaj nees nkaum xyoo ntawm kev paub txog kev lag luam. Yog tias koj muaj kev xav tau lossis lus nug txoglub ntsuas dej ntwsxaiv, thov koj xav tiv tauj peb rau kev txhawb nqa kev siv tshuab thiab kev daws teeb meem.
Lub sijhawm tshaj tawm: Lub Peb Hlis-26-2026