Yuav ua li cas txiav txim seb lub electromagnetic flowmeter zoo los yog ultrasonic flowmeter zoo? Hnub no kuv yuav qhia koj qhov zoo lossis qhov phem ntawm electromagnetic flowmeter thiab ultrasonic flowmeter.
Lub electromagnetic flowmeteryog lub flowmeter tsim los siv lub hauv paus ntsiab lus ntawm Ferrari magnetic induction. Lub ntsiab qauv ntawm electromagnetic flowmeter yog tsim los ntawm magnetic circuit system, ntsuas raj, electrode, plhaub, hauv ob sab phlu thiab converter. Los ntawm cov khoom ntawm lub cev, nws muaj zog tiv thaiv kev cuam tshuam thiab tsis cuam tshuam los ntawm viscosity, ntom thiab siab ntawm cov khoom. Kev cuam tshuam. Hom flowmeter no kuj muaj ntau, thiab kev tsim khoom thiab kev siv thev naus laus zis yog qhov paub tab. Nws qhov zoo yog kev tiv thaiv corrosion, hnav tsis kam, kev ua haujlwm ntev, thiab qhov thib ob, nws tuaj yeem ua ob txoj kev ntsuas, uas yooj yim rau kev ua haujlwm. Electromagnetic flowmeters tam sim no siv rau hauv metallurgy, kev lag luam, tshuaj lom neeg kev lag luam, kev ua liaj ua teb dej, kev tiv thaiv ib puag ncig, tshuaj thiab lwm yam haujlwm. Qhov zoo tshaj plaws yog ntsuas qhov ntim ntawm cov kua conductive hauv lub kaw lus kaw.
Txawm li cas los xij, electromagnetic flowmeter tsis tuaj yeem ntsuas chav, roj, thiab lwm yam, yog li nws muaj tsawg heev. Nyob rau hauv cov kua nrog tsawg conductivity, cov electromagnetic flow ntsuas cov nyhuv tsis zoo. . Electromagnetic flowmeter yog ib qho flowmeter uas ua haujlwm raws li txoj cai ntawm electromagnetic induction (txiav cov kab sib nqus ntawm lub zog). Nws cov yam ntxwv yog:
1. Kev ntsuas qhov tseeb thiab rov ua tau zoo;
2. tus nqi yog proportional rau qhov loj ntawm cov yeeb nkab txoj kab uas hla;
3. Qhov nruab nrab ntsuas yuav tsum muaj qee yam conductivity.
Ultrasonic flowmetersiv ultrasonic nthwv dej los ntsuas cov kua ntws hauv cov kav dej. Ultrasonic flowmeters tau siv dav thaum ntxov li xyoo 1970. Tam sim no nws cov thev naus laus zis tau paub ntau dua thiab nws qhov kev siv tau dav dua. Qhov zoo tshaj plaws ntawm ultrasonic flowmeter yog tias nws tuaj yeem tshawb xyuas qhov loj ntawm cov dej ntws yam tsis tau kov cov khoom los ntsuas. Qhov zoo ntawm qhov no yog tias txawm li cas los xij nruab nrab lossis cov yeeb nkab nrog txoj kab uas hla loj, nws yuav tsis cuam tshuam rau kev ua haujlwm ntawm ultrasonic flowmeter. Cov pa roj thiab vapor uas lub electromagnetic flowmeter tsis tuaj yeem ntes tau los ntawm ultrasonic flowmeter.
Nta ntawm ultrasonic flowmeter:
1. Tsis muaj qhov txav txav, tsis muaj qhov poob siab;
2. Tsis muaj qhov yuav tsum tau ua rau lub cev muaj zog;
3. Kev ntsuas tsis sib cuag;
4. Tus nqi tsis muaj dab tsi ua rau cov yeeb nkab txoj kab uas hla;
5. Yooj yim rau nruab, tsis tas yuav tsum nres.
Ntau tus neeg xav tias electromagnetic flowmeter yog ib txoj kev ntsuas tsis sib cuag, lossis tias cov khoom siv hluav taws xob electromagnetic flowmeter muaj qhov yuav tsum tau qis rau cov yeeb nkab ncaj. Yog lawm. Qhov kev nkag siab tsis raug no feem ntau yog nyob ntawm qhov raug. Hauv kev xyaum, qhov tseeb ntawm ultrasonic flowmeters tuaj yeem ua tiav 0.5 feem pua qhov raug, thiab ntau yam ntawm nws qhov zoo yuav maj mam cuam tshuam rau hauv kev lag luam yav tom ntej. Tau kawg, muaj ntau tus neeg uas yuav refute ntau yam shortcomings ntawm ultrasonic flowmeters, yog li kuv cia siab tias thaum xaiv cov qauv, koj yuav tsum tau qhia meej rau koj daim ntawv thov tej yam kev mob, thiab ces xaiv qhov tsim nyog flow meter raws li kev khiav hauj lwm tej yam kev mob. Xaiv cov cuab yeej nrog qhov tseeb sib txawv. Tsuas yog ib qho cuab yeej uas ua tau raws li koj qhov kev xav tau ua haujlwm tiag tiag yog ib qho cuab yeej zoo. Muaj ntau hom electromagnetic flowmeters. Feem ntau, lawv cov qhab-nees raug zoo li sib npaug rau lawv cov nqi. Ultrasonic flowmeters kuj tau muab faib ua ntau qib ntawm hom, thiab lawv qhov raug thiab kev ntseeg tau sib txawv heev. Yog li ntawd, nyob rau hauv cov txheej txheem ntawm kev xaiv cov cuab yeej thiab meters, nws yog ib qhov tsim nyog los ua raws li lawv cov kev xav tau tiag tiag.
Cov lus pom zoo ntawm kev xaiv ntawm electromagnetic flowmeter thiab ultrasonic flowmeter yuav tsum tau txiav txim siab los ntawm cov hauv qab no:
1. Raws li qhov xwm txheej ntawm cov kua tau ntsuas, yog tias cov kua dej tsis yog conductive, koj tuaj yeem xaiv ultrasonic flowmeter nkaus xwb.
2. Kev ntsuas ib puag ncig ntawm lub flowmeter, vim tias ultrasonic flowmeter yog qhov cuam tshuam rau electromagnetic yoj cuam tshuam, yog tias muaj cov khoom emitting electromagnetic tsis nyob ib ncig ntawm lub flowmeter, ces nws tsis haum rau nruab ultrasonic flowmeter.
3. Raws li qhov xwm txheej ntawm kev ntsuas, yog tias cov dej ntws tam sim no nruj me ntsis thaum ntsuas, nws tsim nyog rau nruab ib lub tshuab electromagnetic flowmeter.
4. Ultrasonic flow meter yog pom zoo kom siv nyob rau hauv qhov tseem ceeb tshaj ndlwg cov ntsiab lus ntawm qhov loj thiab nruab nrab calibers. Cov kav dej ntsuas ntsuas yuav tsum yog cov duab tsis tu ncua, cov phab ntsa tuab tuab, tsis muaj xeb, nag lossis daus, cov dej sib xyaw ua ke, thiab lwm yam.
5. Ultrasonic flowmeter tuaj yeem paub qhov ntsuas tsis sib cuag. Feem ntau, kev xaiv kom raug ntawm cov ntsuas ntws yuav tsum raug txiav txim siab los ntawm tsib yam hauv qab no: Kev ua tau zoo: qhov tseeb, rov ua dua, ntau yam, thiab lub sijhawm teb. Cov yam ntxwv ntawm cov kua dej: kub, siab, ceev, viscosity, corrosion thiab scaling, compressibility. Cov kev xav tau ntawm kev txhim kho: ntsug, kab rov tav, ncaj yeeb nkab seem, kav dej vibration, valve txoj hauj lwm. Environmental yam: kub, av noo, kev nyab xeeb, hluav taws xob cuam tshuam.