An imitha yokuhamba kwe-electromagnetic(ekwaziwa ngokuba yi-magnetic flow meter okanye i-mag meter) yenye yezona zixhobo zichanekileyo zokulinganisa ukuhamba kolwelo oluqhuba umbane. Ngenxa yoyilo lwayo olungenazo iindawo ezishukumayo, i-electromagnetic flow meter inika uzinzo oluhle kakhulu lwexesha elide, ulondolozo oluncinci, kunye nokuchaneka okuphezulu kokulinganisa.
Nangona kunjalo, kwane-mag flow meter efakwe kakuhle inokuthi ngamanye amaxesha ifumane ukushukuma komlinganiselo wokuhamba okanye ukufundwa okungazinzanga emva kweminyaka yokusebenza. Xa oku kusenzeka, abasebenzisi badla ngokuyikrokrela i-flow meter ngokwayo, kodwa kwiimeko ezininzi ingxaki inxulumene neemeko zokufakelwa, utshintsho lwenkqubo, okanye ukulungiswa endaweni yokusilela kwesixhobo.
Ukuqonda izizathu eziqhelekileyo zokushukuma kwemitha yokuhamba kwe-electromagnetic linyathelo lokuqala lokubuyisela umlinganiselo wokuhamba ngokuchanekileyo nangokuthembekileyo.
1. Ukungcola kwe-Electrode kunciphisa ukuchaneka kokulinganisa
I-electrode ye-electromagnetic flow meter inoxanduva lokubona i-voltage encinci eveliswayo xa ulwelo oluqhubayo ludlula kwi-magnetic field. Ngokuhamba kwexesha, iidiphozithi zinokuqokelelana kumphezulu we-electrode, zichaphazele umgangatho wesignali kwaye zibangele ukushukuma komlinganiselo kancinci kancinci.
Iidiphozithi eziqhelekileyo ziquka:
Isikali seKhalsiyam
Umhlwa
Ioyile kunye namafutha
Iidipozithi zeekhemikhali
Ukungcola kwezinto eziphilayo
Njengoko ungcoliseko lusanda, ukuchaneka kwemitha yokuhamba kwe-electromagnetic kunokuncipha kancinci kancinci, ingakumbi kwizicelo zamanzi amdaka kunye neenkqubo zemizi-mveliso.
Isisombululo esicetyiswayo
Hlola kwaye ucoce ii-electrodes rhoqo.
Khetha izinto ze-electrode ezihambelana nolwelo olulinganisiweyo.
Cwangcisa ukugcinwa kokuthintela iinkqubo zamanzi amdaka okanye ze-slurry.
2. Ukuqhuba okuphantsi okanye okutshintshayo
Ngokungafaniyo nezinye iintlobo zeemitha zokuhamba, imitha yokuhamba kwe-electromagnetic isebenza kuphela ngezinto ezihambisa umbane. Ukuba umbane utshintsha kakhulu, isignali ebangelwayo iba buthathaka, nto leyo ebangela ukuba imilinganiselo ingaguquki.
Izizathu eziqhelekileyo ziquka:
Utshintsho kumgangatho wamanzi
Utshintsho kuxinzelelo lweekhemikhali
Ukutshintshwa kolwelo lwenkqubo
Ukuxuba namanzi acocekileyo okanye acocekileyo
Ukuqhuba kwemitha yokuhamba kwe-electromagnetic okuzinzileyo kubalulekile ukuze kugcinwe imilinganiselo echanekileyo.
Isisombululo esicetyiswayo
Qinisekisa ukuba ulwelo luqhuba kakuhle luhlangabezana neemfuno eziphantsi zomenzi.
Jonga ukuhanjiswa kwegesi xa iimeko zenkqubo zitshintsha.
3. Ukuphazamiseka kwe-Electromagnetic (EMI)
Ingxolo yombane yenye yezona zizathu zixhaphakileyo zokusombulula ingxaki yemitha yokuhamba kwe-electromagnetic.
Izixhobo ezikufutshane ezifana nezi:
IiDrives eziQhelekileyo eziGuquguqukayo (ii-VFD)
Iimoto zombane ezinkulu
Oomatshini bokuwelda
Iintambo ze-voltage ephezulu
Iitransformer
inokungenisa ukuphazamiseka kwe-electromagnetic okuchaphazela isignali yesenzwa, nto leyo ekhokelela ekufundweni kokugeleza okungazinzanga okanye ukugeleza okubonakalayo.
Isisombululo esicetyiswayo
Qinisekisa ukuba isiseko sisemgangathweni ofanelekileyo.
Sebenzisa iintambo zesignali ezikhuselweyo.
Yahlula iintambo zombane kwiintambo zonxibelelwano.
Faka i-transmitter kude neendawo ezinamandla ze-electromagnetic.
4. Ukufakelwa Okungafanelekanga okanye Iipayipi Ezizaliswe Kancinci
Ukufakelwa kwemitha yokuhamba kwe-electromagnetic ngokuchanekileyo kubalulekile ekugcineni ukuchaneka kokulinganisa.
Imitha yokuhamba kwe-electromagnetic ifuna ukuba ityhubhu yokulinganisa ihlale igcwele ulwelo. Amaqamza omoya okanye imibhobho ezaliswe kancinci inciphisa ukudibana kwe-electrode nolwelo oluqhubayo, nto leyo ebangela ukuba ukufundwa okungazinzanga.
Iingxaki eziqhelekileyo zokufakela ziquka:
Umbhobho awuzalanga ngokupheleleyo
Iipokotho zomoya
Ukufakelwa kwindawo ephezulu yombhobho
Ukuhamba komoya ophantsi ngaphandle koxinzelelo olwaneleyo lomqolo
Ezi meko zihlala zibangela ukufundwa kokuhamba kwamanzi okungazinzanga endaweni yokusilela kwemitha yokwenyani.
Isisombululo esicetyiswayo
Faka imitha apho umbhobho uhlala ugcwele khona.
Khetha ukuhamba okuthe nkqo phezulu xa kunokwenzeka.
Susa umoya ovalelekileyo kwinkqubo.
Landela iimfuno ezicetyiswayo zepayipi ethe tye.
5. Ukungagalelwa kakuhle komhlaba
Ukubeka isiseko esifanelekileyo sesinye sezona zinto zingahoywayo xa kufakelwa imitha yokuhamba kwe-electromagnetic.
Ngaphandle kokufakwa komhlaba okusebenzayo, ingxolo yombane ingangena kwisekethe yokulinganisa, ibangele:
Ukushukuma komlinganiselo wokuhamba kwamanzi
Ukungazinzi kwe-zero-point
Ukuguquguquka kwesignali
Ukuchaneka kokulinganisa okunciphileyo
Iipayipi zeplastiki okanye zerabha zihlala zifuna izangqa zokumisa umhlaba kuba umbhobho ngokwawo awunakubonelela ngesalathiso sombane.
Isisombululo esicetyiswayo
Faka izangqa zokumisa umhlaba apho kufuneka khona.
Jonga ukumelana nokugalela komhlaba ngexesha lokuqalisa.
Landela imiyalelo yomenzi yokumisa umhlaba.
6. Ukufunyanwa kweMibhobho engenanto kunye noTshintsho lweNkqubo
Uninzi lweemitha zokuhamba kwemagnethi zanamhlanje ziquka umsebenzi wokufumanisa umbhobho ongenanto ukuthintela ukulinganiswa okungachanekanga.
Ukuba umbhobho awuzaliswanga ngokupheleleyo ngenxa yokujikeleza kwepompo, ukugabha, okanye ukusebenza okungenaziphazamiso, imitha yokuhamba kwamanzi inokutshintsha ngokuphindaphindiweyo phakathi komlinganiselo oqhelekileyo kunye nesimo sombhobho ongenanto.
Oku kunokubonakala njengokufundwa okungazinzanga okanye ukugeleza okubonakalayo.
Isisombululo esicetyiswayo
Qinisekisa ukuba imiqathango yepayipi epheleleyo iyaqhubeka.
Jonga ukusebenza kwepompo.
Qinisekisa ukuba useto lokufumanisa umbhobho ongenanto lucwangciswe ngokuchanekileyo.
7. Ukuguga kweSensor kunye ne-Elektroniki
Nangona iimitha zokuhamba kwe-electromagnetic zoshishino zanamhlanje zithembeke kakhulu, ukusebenza kwexesha elide phantsi kweemeko ezinzima zokusingqongileyo kunokuchaphazela kancinci kancinci izinto ze-elektroniki.
Izinto ezinokwenzeka ziquka:
Ubushushu obuphezulu obujikeleze umhlaba
Ukungena komswakama
Ukungazinzi kombane
Ukwaluphala kwezinto
Nangona oku kungaqhelekanga njengeengxaki ezinxulumene nokufakelwa, kunokubangela ukuphambuka komlinganiselo wexesha elide.
Isisombululo esicetyiswayo
Hlola i-transmitter rhoqo.
Gcina izixhobo ze-elektroniki zikwindawo ezisebenza kuyo.
Tshintsha iimodyuli ze-elektroniki ezonakeleyo xa kuyimfuneko.
8. Ukulinganiswa kweMitha yokuHamba kwe-Electromagnetic engalunganga
Ukulinganiswa kwemitha yokuhamba kwe-electromagnetic engafanelekanga kunokufaka i-offset yokulinganisa rhoqo.
Ukuba akukho kulinganiswa kwe-zero ngelixa ulwelo lusahamba ngepayipi, isixhobo sinokuqhubeka nokubonisa amaxabiso angachanekanga ngexesha lokusebenza.
Isisombululo esicetyiswayo
Yenza umlinganiselo we-zero kuphela xa kungekho flow kwaphela.
Qinisekisa ukuba umbhobho uhlala ugcwele ngokupheleleyo ngexesha lokulinganisa.
Landela inkqubo yokulinganisa yomenzi.
Iindlela ezilungileyo zokugcina ukuchaneka kwemitha yokuhamba kwe-electromagnetic
Ukuze ufumane ukuchaneka okuphezulu kokulinganisa ukuhamba kwamanzi, landela ezi ngcebiso zokulungisa:
Coca ii-electrode rhoqo.
Gcina umbhobho ugcwele ngokupheleleyo.
Gcina umhlaba uqinile kwaye ukhuseleke ngokufanelekileyo.
Nqanda ukuphazamiseka kwe-electromagnetic.
Qinisekisa ukuhanjiswa kolwelo.
Landela izikhokelo ezichanekileyo zokufakela.
Yenza uhlengahlengiso rhoqo.
Jonga utshintsho lwenkqubo olunokuchaphazela uzinzo lokulinganisa.
Ukugcinwa rhoqo akuphuculi nje kuphela ukuchaneka kwemitha yokuhamba kwe-electromagnetic kodwa kwandisa ubomi benkonzo yesixhobo kwaye kunciphisa ixesha lokungasebenzi elingalindelekanga.
Ukushukuma komlinganiselo wokuhamba kwamanzi kwimitha yokuhamba kombane kudla ngokubangelwa ziimeko zokufakelwa, utshintsho lwenkqubo, ukuphazamiseka kombane, okanye ukugcinwa okunganelanga—hayi yimitha yokuhamba kombane ngokwayo.
Ngokulandela ukufakelwa kwemitha yokuhamba kwe-electromagnetic efanelekileyo, ukugcina ii-electrodes zicocekile, ukuqinisekisa ukuqhuba kakuhle kombane, ukwenza ukulinganiswa rhoqo kwemitha yokuhamba kwe-electromagnetic, kunye nokuphelisa ukuphazamiseka kombane, abasebenzisi banokuphucula kakhulu ukuchaneka kokulinganisa ukuhamba kwexesha elide kwaye bagcine imitha yabo yokuhamba kwe-mag isebenza kwizinga eliphezulu.
Iikhonkco zeVidiyo eziNxulumeneyo:
Intshayelelo yemitha yamanzi ye-electromagnetic yothotho lwe-EW6800
https://www.youtube.com/watch?v=P5F_LGdaqDU
Amatyala ezicelo:
https://www.youtube.com/watch?v=zOFu1pjQk3c
Ixesha leposi: Julayi-28-2026