Chiyero chekuyerera kwemagetsi (magnetic flow meter) chinoyera mwero wekuyerera kwemvura inoyerera zvichibva paMutemo waFaraday weElectromagnetic Induction. Kusiyana nemamechanical flow meter, haina zvikamu zvinofamba uye haigadziri chipingamupinyi mukati mepombi, zvichiita kuti ishandiswe zvakanyanya mumvura, mvura yakasviba, makemikari, slurry, nezvimwe zvinoshandiswa pakuyerera kwemvura.
Nheyo huru ndeyekuti kana mvura inoyerera ichifamba nemumunda wemagineti, inogadzira voltage diki yemagetsi. Iyo electromagnetic flow meter inoona voltage iyi uye inoishandura kuita flow velocity uye flow rate value.
Nheyo yekushanda kweElectromagnetic Flow Meter
Maitiro ekuyera anosanganisira zvikamu zvikuru zvitatu:
1. Kugadzirwa kwesimba remagineti
2. Kuonekwa kwemagetsi nemaerekitironi
3. Kuverenga kwemvura ne converter
1. Kugadzira Magnetic Field Mukati meChubhu Yekuyera
Mukati me sensor ye electromagnetic flow meter, ma electromagnetic coils anogadzira simba remagineti pachubhu yekuyera.
Chinoisa sensor chinobvisa mvura kubva mumuviri wepombi yesimbi nemagetsi, ukuwo maerekitirodhi maviri akaiswa kumativi akasiyana echubhu yekuyera kuti aone voltage inogadzirwa.
Kana pasina mvura inoyerera, hapana kufamba kwezvikamu zvinofambisa mhepo kuburikidza nesimba remagineti, saka hapana voltage inoyerwa inogadzirwa.
2. Kugadzira Chiratidzo cheMagetsi kubva kuKufamba kweLiquid
Kana mvura inoyerera ichipfuura nemumunda wemagineti, zvidimbu zvakachajwa zviri mukati memvura zvinofamba zvichiyambuka mitsetse yemunda wemagineti.
Zvinoenderana neMutemo waFaraday:
* Mvura inofambisa mhepo inoshanda semuchina wekufambisa mhepo.
* Simba remagineti rinopa chiratidzo chemagetsi.
* Voltage inoenderana nekumhanya kwemvura.
Maelectrode akaiswa mu sensor anoona chiratidzo ichi che voltage.
Kana mvura ikayerera nekukurumidza, simba rinokonzereswa rinowedzera.
3. Kushandura Chiratidzo kuita Mwero weKuyerera
Chinoshandura magetsi chinogamuchira chiratidzo chidiki chemagetsi kubva kumaelectrodes uye chinochigadzirisa kuburikidza nemasekete emagetsi.
Mushanduri anoverenga:
* Kumhanya kwekuyerera
* Mwero wekuyerera kwemvura ipapo ipapo
* Huwandu hwese hwakaunganidzwa
Chinobuda chekupedzisira chinogona kuratidzwa munharaunda kana kutumirwa kuburikidza nema interface ekutaurirana akadai se:
* 4–20 mA
* RS485 Modbus
* HART
* Kubuda kwepulse
* Mapuroteni ekutaurirana edhijitari
Ndezvipi Zvinhu Zvinokanganisa Kuyerwa Kwekuyerera Kwemagetsi?
Kunyange zvazvo mita dzemagetsi dzinoshandiswa pakuyera zvinhu (electromagnetic flow meter) dzakavimbika zvikuru, mamiriro ezvinhu akati wandei akakosha pakuyera nemazvo.
1. Kufambiswa Kwemvura Mukati
Mvura iyi inofanira kunge iine magetsi akakwana kuti igadzire chiratidzo chinoyerwa.
Zvinodiwa zvakajairika:
Kufambisa kwemhepo ≥ 5 μS/cm
Zvinwiwa zvakakodzera zvinosanganisira:
* Mvura
* Mvura Yakasviba
* Mhinduro dzemakemikari
* Kusviba
* Pulp
Hazvina kukodzera:
* Mafuta
* Mafuta
* Petroli
* Zvimwe zvinwiwa zvisingafambise mhepo
2. Pombi Inofanira Kuzara Zvakakwana
Chubhu yekuyera inofanira kuzadzwa nemvura nguva dzose.
Kana pombi isina chinhu:
* Maerekitirodhi anogona kusabata zvizere nemvura.
* Chiratidzo chinova chisina kugadzikana.
* Kururama kwekuyera kunoderera.
Nechikonzero ichi, dzivisa kuisa mita dzemagetsi dzinoshandisa magetsi:
* Panzvimbo yakakwirira yepombi.
* Pamberi penzvimbo yekubuditsa mvura yemahara.
* Munzvimbo dzinogona kuungana mhepo.
3. Kudzika Kwakakodzera
Nekuti chiratidzo chekuyera chidiki kwazvo, kudzika pasi kwakakosha.
Kuisa pasi kwakakodzera kunobatsira:
* Bvisa kukanganiswa kwemagetsi.
* Tsigisa poindi ye zero.
* Kuvandudza kuvimbika kwekuyera.
Mhete dzekuisa pasi dzingadiwa pa:
* Mapaipi epurasitiki.
* Mapaipi akafukidzwa nerabha.
* Mapaipi asingafambise mhepo.
Sei Chiyero cheKuyerera kweMagetsi Chisina Kurasikirwa neDhivhiri?
Chimwe chinhu chikuru chinobatsira pakuongorora ma electromagnetic flow meter ndechekuti hapana zvinhu zvinofamba kana zvinovhara mukati.
Dhayamita yemukati mesensor yakafanana nedhayamita yepombi, zvichiita kuti mvura ipfuure zvakasununguka.
Mabhenefiti anosanganisira:
* Hapana kuwedzera kurasikirwa kwekumanikidzwa.
* Yakakodzera mapaipi makuru.
* Zvinodiwa zvishoma zvekugadzirisa.
* Kushanda zvakanaka nezvinwiwa zvine zvinhu zvakasimba zvakamiswa.
Izvi zvinoita kuti mita yekuyerera kwemagetsi inyatsokodzera:
* Nzvimbo dzekuchenesa mvura yakasviba.
* Masisitimu ekugovera mvura.
* Zvishandiso zvekuchera migodhi.
* Maindasitiri emapepa nemidziyo yepurasitiki.
Chiyero cheKuyerera kweMagineti Chinogona Kuyera Kuyerera Kwekudzokera Kumashure Here?
Ehe.
Mazhinji ema electromagnetic flow meter anogona kuyera bidirectional flow.
Zvichienderana nechimiro chayo, mita inogona:
* Ratidza kuyerera kwemafambiro emberi.
* Ratidza kuyerera kwemashure.
* Verenga kuyerera kwese munzira dzakasiyana.
Ichi chinhu chinobatsira mumashandisirwo apo nzira yekuyerera inogona kuchinja, senge:
* Masisitimu ekutenderera kwemvura.
* Kuedza pombi.
* Mapombi ekugadzirisa maindasitiri.
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Mabhenefiti eElectromagnetic Flow Meters
Ma electromagnetic flow metres ane mabhenefiti akawanda:
Kururama Kwakanyanya
Vanogona kupa chiyero chakasimba uye chakarurama kana vakaiswa zvakanaka.
Hapana Zvikamu Zvinofamba
Hakuna ma imperler kana zvikamu zvemakanika zvinogona kupera.
Yakakodzera Mvura Yakasviba
Vanogona kuyera mvura ine:
* Zvinhu zvakasimba zvakasungirirwa
* Fibers
* Zvidimbu zvetsvina
Range Yekushandisa Yakakura
Mashandisirwo akajairika anosanganisira:
* Mvura yemuguta
* Kurapa mvura yakasviba
* Kugadziriswa kwemakemikari
* Chikafu nechinwiwa
* Migodhi
* Kudiridza
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Miganhu yeMamita eKuyerera kweMagineti
Pasinei nezvakanakira, ma electromagnetic flow meter ane zvimwe zvaasingakwanisi kuita:
Haikwanise Kuyera Mvura Isina Kufambisa Makonzo
Zvinwiwa zvakaita semafuta nemafuta hazviburitse zviratidzo zvemagetsi zvakakwana.
Inoda Kuiswa Kwakakodzera
Kusaiswa zvakanaka, kudzika kusina kunaka, kana mabubble emhepo zvinogona kukanganisa kugadzikana kwekuyera.
Inoda Midhiya Inotungamira
Kufambiswa kwemvura kunofanira kuongororwa usati wasarudza.
Chiyero chemagetsi chinoyera kuyerera kwemvura chichishandisa Mutemo waFaraday weElectromagnetic Induction. Kana mvura inoyerera ichipfuura nemumunda wemagineti, inogadzira chiratidzo chemagetsi chinoonekwa nemaerekitironi. Chinoshandura chiratidzo ichi chinoongorora kumhanya kwemvura uye mwero wekuyerera kwemvura.
Nekuti haina zvikamu zvinofamba, zvinodiwa zvishoma pakugadzirisa, uye inoshanda zvakanaka ne conductive liquids, electromagnetic flow meter inoshandiswa zvakanyanya mumvura, mvura yakasviba, makemikari, uye maindasitiri.
Kuti zviyerwe zvakanaka, garai muine chokwadi chekuti mvura inoyerera yakakwana, pombi inoramba yakazara, uye pasi rakakodzera rinopihwa.
Nguva yekutumira: Chikunguru-27-2026