Qhov yuav tsum tau ua kom muaj hluav taws xob tsawg kawg nkaus yog qhov tseem ceeb thaum xaiv lub ntsuas hluav taws xob electromagnetic flow meter. Tsis zoo li cov ntsuas hluav taws xob lossis cov ntsuas hluav taws xob ultrasonic, cov ntsuas hluav taws xob electromagnetic flow meters xav kom cov kua ntsuas muaj qee qib ntawm hluav taws xob conductivity kom tsim tau lub teeb liab ntsuas tau.
Feem ntau, feem ntau cov ntsuas hluav taws xob xav tau cov kua dej conductivity ntawm:
≥ 5 μS/cm (microsiemens ib centimeter)
Qee cov ntsuas hluav taws xob ua haujlwm siab tuaj yeem ntsuas cov kua uas muaj kev coj ua hluav taws xob qis dua, tab sis rau kev ntsuas ruaj khov thiab ruaj khov, kev coj ua hluav taws xob siab dua 5 μS / cm feem ntau raug pom zoo.
Vim Li Cas Kev Ua Hluav Taws Xob Thiaj Cuam Tshuam Rau Kev Ntsuas Electromagnetic Flow Meter?
Lub ntsuas dej electromagnetic ua haujlwm raws li Faraday Txoj Cai ntawm Electromagnetic Induction.
Thaum cov kua dej uas muaj hluav taws xob hla dhau lub zog sib nqus uas lub sensor tsim tawm, lub zog hluav taws xob uas raug tsim tawm yuav tsim tawm. Cov electrodes uas tau teeb tsa hauv lub sensor yuav ntes tau lub teeb liab hluav taws xob no, thiab lub converter yuav xam qhov ceev ntawm cov dej ntws.
Lub zog ntawm lub teeb liab tsim tawm nyob ntawm qhov hluav taws xob conductivity ntawm cov kua.
Yog tias cov kua conductivity qis dhau:
* Lub teeb liab hluav taws xob uas raug hluav taws xob ua rau qaug zog heev.
* Cov electrodes tsis tuaj yeem ntes tau lub teeb liab ruaj khov.
* Cov zis yuav hloov pauv.
* Lub ntsuas dej ntws yuav tso saib cov ntawv nyeem tsis ruaj khov lossis tsis raug.
Yog li ntawd, kev coj ua hluav taws xob yog ib qho ntawm cov yam tseem ceeb uas cuam tshuam rau kev ua haujlwm ntawm lub ntsuas hluav taws xob.
Cov Kev Cai Lij Choj Ib Txwm Muaj Rau Cov Kua Sib Txawv
Cov kua sib txawv muaj cov theem conductivity sib txawv.
Cov Ntawv Thov Tsim Nyog
Cov ntsuas hluav taws xob electromagnetic flow meters siv dav rau cov kua xws li:
Dej los ntawm qhov dej
* Feem ntau haum rau kev ntsuas hluav taws xob.
Cov dej khib nyiab
* Kev siv tau zoo heev vim tias cov dej khib nyiab feem ntau muaj cov zaub mov thiab cov ions uas yaj.
Cov dej ua haujlwm hauv kev lag luam
* Haum rau feem ntau.
Cov kua qaub thiab cov alkalis
* Feem ntau ntsuas tau yog tias muaj kev coj hluav taws xob txaus.
Slurry thiab pulp
* Tsim nyog vim muaj cov ions yaj thiab cov khoom me me uas raug tshem tawm.
Cov ntawv thov nrog Kev Ua Haujlwm Qis
Qee cov kua muaj kev ua hluav taws xob qis heev thiab tej zaum yuav tsis haum rau kev ntsuas qhov ntws ntawm hluav taws xob.
Piv txwv li:
Dej ntshiab
Cov dej ntshiab heev muaj qhov conductivity qis heev, qee zaum qis dua qhov ntsuas ntawm cov ntsuas hluav taws xob electromagnetic flow meters.
Cov ntawv thov muaj xws li:
* Cov dej tsim khoom semiconductor
* Cov dej ntshiab hauv chaw kuaj mob
* Cov tshuab dej deionized
Hauv cov xwm txheej no, ultrasonic flow meters feem ntau yog qhov kev xaiv zoo dua.
Cov kua hydrocarbon
Cov kua xws li:
* Roj
* Roj diesel
* Roj av
* Cov roj hydraulic
muaj kev coj ua hluav taws xob tsawg heev thiab feem ntau tsis tuaj yeem ntsuas nrog cov ntsuas hluav taws xob electromagnetic flow meters.
Lwm cov thev naus laus zis yuav suav nrog:
* Cov ntsuas dej ntws ntawm Coriolis
* Cov ntsuas dej ntws ntawm lub turbine
* Cov ntsuas dej ntws zoo
* Cov ntsuas dej ntws ultrasonic (nyob ntawm daim ntawv thov)
Yuav ua li cas los xyuas qhov ua kua dej ua ntej xaiv lub ntsuas dej ntws?
Ua ntej xaiv lub ntsuas hluav taws xob electromagnetic flow meter, nws raug pom zoo kom xyuas:
1. Cov Khoom Siv Nruab Nrab
To taub seb cov kua puas muaj:
* Cov ntsev yaj
* Cov zaub mov
* Cov kua qaub los yog alkalis
* Cov khoom siv hluav taws xob
Cov kua uas muaj cov ions feem ntau muaj cov conductivity siab dua.
2. Tus Nqi Ua Haujlwm Tiag Tiag
Yuav tsum ntsuas qhov conductivity raws li qhov xwm txheej ua haujlwm tiag tiag.
Cov yam tseem ceeb muaj xws li:
* Kub ntawm cov kua
* Kev sib xyaw ua ke ntawm tshuaj lom neeg
* Cov xwm txheej ntawm cov txheej txheem
Kev coj ua hluav taws xob tuaj yeem hloov pauv ntau nrog qhov kub thiab txias.
Yuav ua li cas yog tias qhov conductivity qis dhau?
Thaum qhov conductivity qis dua qhov pom zoo, cov neeg siv yuav ntsib:
Cov zis tsis ruaj khov
Tus nqi ntws uas tau tso tawm yuav dhia lossis hloov pauv txawm tias thaum tus nqi ntws tiag tiag ruaj khov.
Yuam Kev Nqus Tsis Muaj Zog
Lub converter yuav tsis ntes tau lub teeb liab txaus thiab tej zaum yuav tso saib xoom qhov ntws.
Tsis Muaj Tseeb
Tus nqi ntsuas tau tej zaum yuav muaj qhov sib txawv loj dua li qhov xav tau.
Cov Kev Dais Teeb Meem Rau Cov Kev Siv Hluav Taws Xob Tsawg
Yog tias qhov conductivity ntawm cov kua dej nyob ze rau qhov yuav tsum tau ua tsawg kawg nkaus, ntau txoj kev daws teeb meem tuaj yeem xav txog:
1. Paub meej tias qhov kev coj ua tiag tiag
Qee zaum qhov teeb meem yog tshwm sim los ntawm kev xav tsis raug txog cov khoom ua kua. Kev ntsuas qhov conductivity tiag tiag tuaj yeem pab txiav txim siab qhov tsim nyog.
2. Xaiv Lub Tshuab Ntsuas Hluav Taws Xob Uas Tsim Nyog
Qee cov ntsuas hluav taws xob electromagnetic flow meters siab heev tau txhim kho cov peev xwm ua cov teeb liab thiab tuaj yeem ua haujlwm nrog cov ntawv thov conductivity qis dua zoo dua.
3. Xaiv Lwm Txoj Kev Ntsuas
Yog tias cov kua conductivity qis heev, xav txog:
* Clamp-on ultrasonic flow meter
* Inline ultrasonic flow meter
* Coriolis ntws ntsuas
Qhov kev xaiv nyob ntawm hom kua, qhov yuav tsum tau ua kom raug, qhov loj ntawm cov yeeb nkab, thiab cov xwm txheej ntawm kev teeb tsa.
Kub thiab txias puas cuam tshuam rau kev coj ua?
Yog. Cov kua dej conductivity hloov pauv nrog qhov kub thiab txias.
Feem ntau:
* Kub dua ua rau muaj kev sib kis tau hluav taws xob ntau dua.
* Qhov kub qis dua ua rau cov khoom siv hluav taws xob tsis zoo.
Piv txwv li, kev ntsuas dej ntawm 20°C yuav txawv ntawm tus nqi ntawm 60°C.
Yog li ntawd, kev ntsuam xyuas conductivity yuav tsum xav txog qhov kub ua haujlwm tiag tiag ntawm daim ntawv thov.
Qhov kev coj hluav taws xob tsawg kawg nkaus uas xav tau rau feem ntau ntawm cov ntsuas hluav taws xob electromagnetic yog kwv yees li 5 μS / cm. Cov kua yuav tsum muaj kev coj hluav taws xob txaus los tsim cov teeb liab voltage ntsuas tau ntawm cov electrodes.
Cov ntsuas hluav taws xob electromagnetic flow meter zoo tagnrho rau cov kua conductive xws li dej, dej khib nyiab, tshuaj lom neeg, thiab slurry. Txawm li cas los xij, lawv tsis haum rau cov kua tsis conductive xws li roj, roj, thiab dej ntshiab heev.
Ua ntej xaiv lub ntsuas hluav taws xob electromagnetic flow meter, ib txwm paub meej tias cov kua dej conductivity, kub, thiab cov txheej txheem ua haujlwm kom ntseeg tau tias qhov ntsuas tau zoo thiab raug.
Lub sijhawm tshaj tawm: Lub Xya Hli-27-2026