Electromagnetic flowmeter yog ib qho cuab yeej siv los ntsuas qhov ntws ntawm cov kua dej conductive.
Tsis zoo li ib txwm flowmeters, electromagnetic flowmeters ua haujlwm raws li Faraday txoj cai ntawm electromagnetic induction thiab ntsuas qhov ntws ntawm cov kua hluav taws xob raws li lub zog hluav taws xob tsim tawm thaum cov kua dej conductive dhau los ntawm sab nraud magnetic teb.
Cov qauv ntawm lub tshuab electromagnetic flowmeter feem ntau yog muaj cov kab hluav taws xob sib nqus, ntsuas cov kav dej,electrodes, ib lub tsev, ib lub hauv ob sab phlu, thiab lub converter.
Nws ua haujlwm li cas?
1. Magnetic teb tiam
Thaum siv cov flowmeter, lub electromagnetic coil generates ib magnetic teb perpendicular mus rau cov kev taw qhia ntawm cov kua ntws. Qhov no magnetic teb yog ruaj khov thiab sib xws, kom ntseeg tau tias kev ntsuas zoo ib yam.
2. Voltage induction
Thaum ib tug conductive kua ntws los ntawm ib tug magnetic teb, nws hla cov magnetic teb kab. Raws li Faraday txoj cai, qhov kev txav no ua rau muaj qhov hluav taws xob hauv cov kua. Qhov loj ntawm qhov voltage no yog proportional rau tus nqi ntws ntawm cov kua.
3. Kev ntsuas hluav taws xob
Electrodes embedded nyob rau hauv lub flow tube ntes cov induced voltage. Qhov chaw ntawm cov electrodes yog qhov tseem ceeb; lawv feem ntau yog muab tso rau saum thiab hauv qab ntawm lub raj ntws los xyuas kom meej qhov kev nyeem ntawv tsis hais txog qhov ntws nkhaus.
4. Kev ua haujlwm teeb liab
Cov teeb liab pom qhov hluav taws xob raug xa mus rau lub transmitter, uas ua cov ntaub ntawv. Lub transmitter hloov qhov voltage mus rau hauv qhov ntsuas ntws, feem ntau tso tawm hauv chav xws li litres ib feeb (L / min) lossis nkas loos ib feeb (GPM).
5. Cov zis:
Thaum kawg, cov ntaub ntawv ntws tuaj yeem tso tawm rau ntawm ib qho screen, kaw rau yav tom ntej kev tshuaj ntsuam, lossis xa mus rau lub kaw lus rau kev saib xyuas thiab tswj lub sijhawm.
Qhov zoo ntawm electromagnetic flowmeter
Qhov zoo ntawm electromagnetic flowmeters feem ntau suav nrog kev ntsuas siab, tsis muaj qhov poob siab, qhov sib piv dav dav, muaj zog corrosion kuj, ntau daim ntawv thov, rhiab teb, yooj yim installation, digital teeb liab ua, muaj zog tiv thaiv kev cuam tshuam, thiab lwm yam.
Kev siv ntawm electromagnetic flowmeter
● Kev kho dej thiab dej khib nyiab: Saib xyuas cov nroj tsuag kev kho mob kom ua tau raws li kev cai ib puag ncig.
● Kev ua tshuaj lom neeg: ntsuas qhov ntws ntawm corrosive lossis viscous kua hauv kev tsim tshuaj.
● Kev lag luam khoom noj khoom haus thiab dej haus: xyuas kom meej qhov kev ntsuas ntawm cov kua dej xws li kua txiv hmab txiv ntoo, mis nyuj, thiab ntses, uas yog ib qho tseem ceeb rau kev tswj kom zoo.
● Pharmaceutical: Saib xyuas qhov ntws ntawm cov khoom xyaw nquag thiab cov kuab tshuaj hauv cov txheej txheem tshuaj.
Peb kuj muabgrounding electrodes (cov nplhaib hauv av)siv rau hauv cov xwm txheej uas electromagnetic flowmeters xav tau kev taw qhia tam sim no, tshem tawm kev cuam tshuam, thiab ua kom muaj kev ncaj ncees ntawm lub teeb liab voj.
Post lub sij hawm: Oct-16-2024