Dab tsi yog qhov zoo ntawm electromagnetic flow meter, piv nrog ultrasonic flow meter?

Ob leegcov ntsuas hluav taws xob(magmeters) thiabultrasonic flow metersiv dav rau kev ntsuas kev ntws hauv ntau yam kev siv, thiab txhua lub thev naus laus zis muaj nws cov txiaj ntsig tshwj xeeb nyob ntawm qhov xav tau tshwj xeeb ntawm daim ntawv thov. Thaum piv ob qho,cov ntsuas hluav taws xobfeem ntau muaj cov txiaj ntsig sib txawv hauv qee thaj chaw. Hauv qab no yog cov txiaj ntsig tseem ceeb ntawm cov ntsuas hluav taws xob sib piv rau cov ntsuas hluav taws xob ultrasonic:

1. Ua haujlwm nrog cov kua dej conductive

• Lub ntsuas hluav taws xob electromagnetic: Magmeters tsuas yog ntsuas tau qhov ntws ntawmcov kua dej uas ua rau muaj hluav taws xob(cov uas muaj qhov hluav taws xob tsawg kawg nkaus, feem ntau ≥ 5 µS/cm). Qhov no suav nrog dej, dej khib nyiab, tshuaj lom neeg, thiab cov slurries. Kev ntsuas tsis yog nyob ntawm cov khoom ntawm cov kua xws li kub, siab, lossis viscosity, tsuav yog cov kua ntawd conductive.
• Ultrasonic Flow MeterCov ntsuas dej ntws ultrasonic tuaj yeem ntsuas ntau yam kua dej, suav nrog cov kua dej tsis-conductive (xws li roj thiab hydrocarbons). Txawm li cas los xij, rau cov kua dej qias neeg lossis cov kua dej viscosity siab, txoj kev Doppler siv hauv qee cov ntsuas ultrasonic yuav muaj teeb meem, thaum cov magmeters feem ntau ua haujlwm zoo hauv cov kua dej thiab cov kua dej qias neeg tsuav yog cov kua dej muaj conductive.

2. Tsis Muaj Cov Khoom Txav Mus Los

• Lub ntsuas hluav taws xob electromagneticIb qho ntawm cov txiaj ntsig tseem ceeb ntawm cov ntsuas hluav taws xob electromagnetic flow meters yog tias lawv tsis muaj cov khoom txav mus los, uas txhais tau tias lawv yogtsis hnavQhov no ua raukev saib xyuas tsawg kawg nkaus, lub neej ua haujlwm ntev dua, thiab tsawg dua kev pheej hmoo ntawm kev puas tsuaj ntawm cov khoom siv vim yog cov khoom txav mus los.
• Ultrasonic Flow MeterTxawm hais tias cov ntsuas dej ntws ultrasonic kuj tsis muaj qhov txav mus los (tshwj xeeb tshaj yog nyob rau hauv hom transit-time), qee cov ntsuas dej ntws ultrasonic, tshwj xeeb tshaj yog cov uas siv Doppler technology, yuav ntsib kev txwv thaum cov kua dej muaj cov npuas lossis cov khoom me me.

3. Muaj Tseeb Heev Hauv Kev Ntws Ruaj Khoov

• Lub ntsuas hluav taws xob electromagnetic: Cov Magmeters yogmuaj tseeb heevrau cov xwm txheej ntws ruaj khov, feem ntau muab qhov tseeb ntawm±0.5% txog ±1%ntawm tus nqi ntws. Lawv txhim khu kev qha tshwj xeeb thaum qhov ntws tas li thiab cov kua dej ua haujlwm tau zoo, vim lawv ntsuas qhov ceev ntawm cov kua dej ncaj qha siv Faraday Txoj Cai ntawm Kev Nqus.
• Ultrasonic Flow MeterCov ntsuas ultrasonic, tshwj xeeb tshaj yog cov hom transit-time, kuj muaj qhov tseeb tab sis tuaj yeem rhiab heev rau kev hloov pauv ntawm cov dej ntws, cov khoom siv yeeb nkab, thiab cov khoom ntawm cov kua. Piv txwv li, lawv yuav tsis ua haujlwm zoo hauv cov kab ke uas muaj kev ntxhov siab lossis cov txheej txheem ntws sib txawv.

4. Ntau Yam Kev Nqus Siab

• Lub ntsuas hluav taws xob electromagneticTug: Cov 'meter' electromagnetic tuaj yeem ua haujlwm tauntau yam ntawm cov nqi ntws, txij li cov dej ntws tsawg heev mus rau cov dej ntws siab heev. Qhov no ua rau lawv hloov tau yooj yim rau ntau yam kev siv, tshwj xeeb tshaj yog hauv kev lag luam thiab cov tshuab kho dej khib nyiab uas cov dej ntws tuaj yeem hloov pauv ntau.
• Ultrasonic Flow MeterFeem ntau, cov ntsuas ultrasonic muaj qhov sib piv dav dav, tab sis tej zaum yuav tsis tswj tau qhov ntws siab heev lossis qis heev nrog qhov tseeb zoo ib yam li cov ntsuas electromagnetic.

5. Tsis muaj kev vam khom rau cov khoom ntawm cov kua dej

• Lub ntsuas hluav taws xob electromagnetic: Cov Magmeters feem ntau yogtsis muaj kev cuam tshuam rau cov yam ntxwv ntawm cov kua dejxws li qhov ceev, viscosity, kub, thiab siab (tsuav yog cov kua dej muaj conductive). Lawv ntsuas qhov ntws ncaj qha los ntawm lub zog electromagnetic tsim nyob rau hauv cov yeeb nkab, yog li kev hloov pauv ntawm cov kev ntsuas no tsis muaj feem cuam tshuam rau qhov tseeb.
• Ultrasonic Flow MeterCov ntsuas ultrasonic, tshwj xeeb tshaj yog cov uas siv thev naus laus zis transit-time, tuaj yeem raug cuam tshuam los ntawm kev hloov pauv ntawm qhov kub thiab txias ntawm cov kua dej, qhov siab, thiab qhov ceev, uas yuav xav tau kev them nyiaj ntxiv lossis kev kho kom raug. Cov ntsuas ultrasonic kuj tseem xav tau kev kho kom raug rau ntau hom kua dej thiab cov khoom siv yeeb nkab.

6. Tsis tas yuav kho qhov profile ntws

• Lub ntsuas hluav taws xob electromagnetic: Cov ntsuas hluav taws xob electromagnetic tuaj yeem muab cov ntawv nyeem tau zoo heev txawm tias nyob hauv cov kav dej uas muajcov qauv tsis zoo ntawm cov dej ntwsFeem ntau lawv tsis tas yuavkev tswj hwm kev ntwslossis cov yeeb nkab ncaj nraim uas ntev mus rau sab saud thiab sab hauv qab ntawm lub 'meter', ua rau lawv yooj yim dua rau kev teeb tsa hauv ntau yam kev teeb tsa yeeb nkab.
• Ultrasonic Flow Meter: Cov ntsuas ultrasonic yuav xav taucov yeeb nkab ncaj nraim(feem ntau yog 10-20 lub yeeb nkab uas muaj txoj kab uas hla sab saud thiab 5-10 lub yeeb nkab uas muaj txoj kab uas hla sab hauv) kom paub tseeb tias ntsuas tau raug, tshwj xeeb tshaj yog rau cov ntsuas ultrasonic uas siv sijhawm ntev. Qhov no tuaj yeem txwv kev yooj yim ntawm kev teeb tsa hauv qee daim ntawv thov.

7. Muaj peev xwm ntsuas cov slurries thiab cov kua dej qias neeg

• Lub ntsuas hluav taws xob electromagnetic: Magmeters muaj txiaj ntsig zoo rau cov ntawv thov uascov slurries, cov kua qias neeg, lossis cov kua uas muaj cov khoom khov kho yuav tsum tau ntsuas. Vim tias lawv ua haujlwm los ntawm kev ua kom muaj lub zog hluav taws xob, lawv tsis tshua muaj kev cuam tshuam rau cov pa phem, cov npuas cua, thiab cov khoom me me hauv cov dej ntws piv rau cov ntsuas ultrasonic, uas yuav xav tau Doppler effect los ntsuas cov dej ntws hauv cov xwm txheej zoo li no.
• Ultrasonic Flow MeterCov ntsuas ultrasonic, tshwj xeeb tshaj yog cov uas siv Doppler thev naus laus zis, tuaj yeem ntsuas qhov ntws hauv cov kua dej uas muaj cov khoom khov kho, cov npuas dej, lossis cov pa phem, tab sis txoj kev no yuav ua rau qhov tseeb qis dua lossis cuam tshuam cov teeb liab yog tias qhov concentration ntawm cov khoom me me siab dhau.

8. Tsis tas yuav tsum tau Calibration rau cov kua dej tshwj xeeb

• Lub ntsuas hluav taws xob electromagneticCov Magmeters tsis tas yuav tsum tau kho qhov ntsuas raws li cov kua dej tsuav yog cov kua dej ntawd muaj hluav taws xob. Lub 'meter' yuav muab cov kev ntsuas tseeb yam tsis tas yuav rov kho dua vim yog kev hloov pauv ntawm cov kua dej, ua rau lawv siv tau ntau yam thiab yooj yim dua rau siv dhau sijhawm.
• Ultrasonic Flow Meter: Cov ntsuas ultrasonic feem ntau xav tau kev kho kom raug rau cov kua dej tshwj xeeb, tshwj xeeb tshaj yog tias cov yam ntxwv ntawm cov kua dej (piv txwv li, kub, viscosity, thiab lwm yam) hloov pauv. Rau cov ntsuas Doppler, qhov muaj cov npuas cua lossis cov khoom me me uas raug tshem tawm yuav cuam tshuam rau qhov tseeb thiab tej zaum yuav xav tau kev kho kom raug ntxiv lossis cov kev teeb tsa tshwj xeeb.

9. Kev Siv Nyiaj Zoo Rau Cov Kua Uas Muaj Hluav Taws Xob

• Lub ntsuas hluav taws xob electromagneticRau cov ntawv thov uas muaj cov kua dej conductive, cov ntsuas hluav taws xob electromagnetic flow meters feem ntau yogpheej yigmus sij hawm ntev vim lawv qhov tseeb, kev saib xyuas tsawg kawg nkaus, thiab lub neej ntev dua. Lawv zoo tagnrho rau kev ua haujlwm tas mus li thiab mus sij hawm ntev.
• Ultrasonic Flow MeterTxawm hais tias cov ntsuas dej ntws ultrasonic muaj ntau yam thiab siv tau rau ntau yam kua dej, lawv cov nqi pib feem ntau siab dua, thiab lawv cov kev saib xyuas mus sij hawm ntev tuaj yeem kim dua vim yog kev ntsuas thiab tej zaum yuav muaj teeb meem cuam tshuam rau cov teeb liab, tshwj xeeb tshaj yog nrog cov kua dej qias neeg lossis dej ntws tsis ruaj khov.

10.Kev Ruaj Ntseg Siab Hauv Cov Xwm Txheej Nyuaj Siab

• Lub ntsuas hluav taws xob electromagneticFeem ntau, cov Magmetersua kom nruj duathiab muaj peev xwm tswj tau qhov chaw ua haujlwm hnyav, suav nrog qhov kub thiab txias heev, kev nyuaj siab, thiab cov tshuaj corrosive, tshwj xeeb tshaj yog tias lawv tau tsim los ntawm cov ntaub ntawv tsim nyog (piv txwv li, stainless hlau, PFA, thiab lwm yam).
• Ultrasonic Flow MeterTxawm hais tias cov ntsuas ultrasonic ruaj khov, qee zaum lawv tuaj yeem raug cuam tshuam los ntawm suab nrov, qhov kub thiab txias hloov pauv, lossis kev hloov pauv ntawm cov kua dej. Tsis tas li ntawd, qee cov qauv (tshwj xeeb tshaj yog cov hom clamp-on) tuaj yeem raug cuam tshuam ntau dua rau qhov chaw mounting lossis cov xwm txheej ib puag ncig.

Cov Lus Qhia Tseem Ceeb: Cov Zoo ntawm Electromagnetic Flow Meters Dua Li Ultrasonic Flow Meters

• Ua haujlwm nrog cov kua dej conductive(zoo tagnrho rau dej, dej khib nyiab, slurries, thiab tshuaj lom neeg).
• Tsis muaj qhov chaw txav mus los, ua raukev saib xyuas qis duathiab lub neej ntev dua.
• Kev raug siabrau cov xwm txheej ntws ruaj khov, nrog±0.5% txog ±1%qhov tseeb.
• Ua haujlwm ntau yam kev ntws, txij li qis heev mus rau qhov ntws siab heev.
• Tsis rhiab rau cov kua dejxws li viscosity, siab, thiab kub.
• Tsis xav tau cov yeeb nkab ntev ncajrau kev teeb tsa.
• Zoo rau cov slurries thiab cov kua dej qias neegtsis muaj kev poob qis tseem ceeb hauv qhov tseeb.
• Tsis muaj kev ntsuas tshwj xeebxav tau rau cov kua dej sib txawv.
• Nyob ruaj khov hauv tej chaw nyuajthiab muaj peev xwm tswj tau qhov siab thiab qhov kub thiab txias.

Xaus lus:

Thaumultrasonic flow metermuaj ntau yam siv tau, tshwj xeeb tshaj yog rau cov kua uas tsis ua hluav taws xob thiab huv,cov ntsuas hluav taws xobfeem ntau yog txhim khu kev qha thiab pheej yig dua hauv cov ntawv thov uas muajcov kua dej uas ua rau muaj hluav taws xob, cov slurries, los yogcov kua qias neegLawv muab qhov tseeb siab, xav tau kev saib xyuas tsawg kawg nkaus, thiab haum rau kev ua haujlwm tas mus li hauv cov chaw lag luam. Txawm li cas los xij, lawv qhov kev txwv loj yog tias lawv tsis tuaj yeem siv rau cov kua dej uas tsis muaj hluav taws xob (piv txwv li, roj thiab roj av), thaum cov ntsuas ultrasonic tuaj yeem ntsuas ob qho tib si cov kua dej uas muaj hluav taws xob thiab cov kua dej uas tsis muaj hluav taws xob. Kev xaiv ntawm ob hom ntsuas no feem ntau nyob ntawm hom kua dej tshwj xeeb thiab cov kev xav tau ntawm daim ntawv thov.