Madota, semusanganiswa wakaoma wezvinwiwa nezvimedu zvakasimba, akakosha mumaindasitiri akadai sekuchera migodhi, kugadzirisa makemikari, kugadzirisa mvura yakasviba, uye kuvaka. Kuyera kuyerera kwemadota nemazvo kwakakosha pakugadzirisa maitiro ekugadzira, kudzora mari, uye kuona kuchengetedzeka kwekushanda. Pakati pematekinoroji akasiyana-siyana ekuyera kuyerera, ma electromagnetic flowmeters (EMFs) anoonekwa seakanakira pakubata nematambudziko anokonzerwa nemadota abrasive, viscous, uye high-solid-content.
Nheyo yekushanda kweEMFs yakavakirwa paMutemo waFaraday we electromagnetic induction. Kana slurry inoyerera nemumunda wemagineti unogadzirwa nema coils emita, inokonzera simba remagetsi (EMF) zvinoenderana nekumhanya kwekuyerera, simba remagetsi, uye daro riri pakati pema electrodes. Voltage iyi inoonekwa nema electrodes akaiswa pamadziro epaipi, uye flowmeter inoishandura kuita kuverenga kwakanyatsojeka kwekuyerera kwemvura. Zvinoshamisa kuti, ma EMF anoyera vhoriyamu yekuyerera kwemvura zvakananga, asingakanganiswi nekutsvedza kwemvura, density, kana kuchinja kwekushisa - zvinhu zvikuru zvinokanganisa mamwe marudzi emamita.
Chinhu chikuru chinobatsira maEMF pakushandisa slurry ndechekuti haapindi kana kuti azere nebore. MaEMF ane bore yakazara ane chimiro chakatwasuka chepombi isina zvikamu zvinofamba kana zvinokanganisa, zvichibvisa njodzi yekuvharika, kupera, kana kurasikirwa nekumanikidzwa kunokonzerwa neslurry particles. Dhizaini iyi inoita kuti slurry ifambe zvakanaka uye inoderedza zvinodiwa pakugadzirisa, chinhu chakakosha kune abrasive slurry dzakadai semigodhi yekuchera kana musanganiswa wekongiri unokuvadza nyore nyore mamechanical flowmeters.
MaEMF anoratidzawo kugona kuchinjika zvakanaka kune akasiyana-siyana maslurry properties. Anoshanda zvakanaka nemaslurry ane conductive liquids (semuenzaniso, water-based slurry) uye solid particles ehukuru hwakasiyana, kubva kumasedi matete kusvika kuma coarse aggregates. MaEMF models epamusoro ane maelectrodes anodzivirira ngura (akagadzirwa nezvinhu zvakaita seHastelloy, titanium, kana tantalum) uye liners (rabha, PTFE, kana polyurethane), zvichiita kuti akwanise kutsungirira mamiriro akaoma ekuslurry, kusanganisira tembiricha yakakwira uye chemical ngura.
Mumabasa emaindasitiri, maEMF anoshandiswa zvakanyanya muzvikamu zvekubata tsvina. Mumigodhi, vanoongorora kufamba kwetsvina yezvicherwa (semuenzaniso, mhangura, simbi) panguva yekubvisa nekugadzira simbi, vachiona kuti simbi dzinofambiswa zvakanaka uye kuti dzinodzorwa sei. Mafekitori ekuchenesa mvura yakasviba anoshandisa maEMF kuyera kuyerera kwetsvina, vachitsigira nzira dzekubvisa mvura nekuraswa kwetsvina uku vachitevedzera mitemo yezvakatipoteredza. Muindasitiri yekuvaka, vanoyera kuyerera kwetsvina yekongiri nemazvo kuti varambe vachisanganisa zviyero uye vachiona kuti chimiro chacho chakanaka.
Kuti kuyera kwakanyatsojeka, zvinhu zvakawanda zvinodiwa kuti zviitwe. Slurry inofanira kunge iine conductivity yakakwana; slurry dzisingafambise mvura (semuenzaniso, musanganiswa wemafuta) dzinoda kugadziriswa usati wasvika kana mamwe mamita. Kuisa zvakanaka, kusanganisira kureba kwakakwana kwepombi dzakatwasuka kumusoro/pasi, kunodzivirira kukanganiswa kwekuyerera kwemvura. Kugadziriswa nguva dzose, kwakadai sekuchenesa maelectrode uye kuongorora ma liner kuti haana kupfeka here, kunochengetedza kuvimbika kwekuyera. Kuenzanisa nemaitiro akajairwa (semuenzaniso, matangi evolumetric) kunokurudzirwawo pakushandiswa kwakakosha.
Sezvo maindasitiri achitsvaga kushanda nesimba uye kunyatsorongeka, maEMF anoramba achichinja-chinja nehunyanzvi hwekugadzira masaini edhijitari uye kutumira data pasina waya, zvichivandudza kutarisa panguva chaiyo uye kugona kudzora kure. Kugona kwavo kubata mamiriro akaomarara emvura, pamwe chete nekunyatsorongeka uye kusachengetedza kwakaringana, kunoita kuti ma electromagnetic flowmeters ave chishandiso chakakosha chekuyera kuyerera kwemvura kwemazuva ano, zvichitungamira kugona kwekushanda zvakanaka muzvikamu zvakakosha zvemaindasitiri.
Nguva yekutumira: Ndira-16-2026