Zvikanganiso zviripo pari zvino zve ultrasonic flowmeter zvinonyanya kureva kuti tembiricha yemuviri wekuyerera wakayerwa inoganhurirwa nekuramba kupisa kwe ultrasonic energy exchange aluminum uye coupling material pakati pe transducer nepaipi, uye data rekutanga rekumhanya kwekutumira ruzha kwemuviri wekuyerera wakayerwa pakupisa kwakanyanya harina kukwana. Parizvino, China inogona kushandiswa chete kuyera mvura iri pasi pe 200℃. Pamusoro pezvo, mutsetse wekuyera we ultrasonic flowmeter wakaoma kupfuura we general flowmeter. Izvi zvinodaro nekuti mwero wekuyerera kwemvura muindasitiri yekuyera kazhinji unowanzova mamita mashoma pasekondi, uye kumhanya kwekupararira kwe sound wave mumvura inenge 1500m/s, uye kuchinja kwespeed yeruzha kunounzwa nekuchinja kwemwero wekuyerera kwemuviri wekuyerera wakayerwa zvakare 10-3 orders of magnitude. Kana kururama kwechiyero chekuyerera kwechiyero kuchidikanwa kuva 1%, kururama kwekumhanya kweruzha kunofanirwa kuva 10-5 ~ 10-6 mirairo yehukuru, saka panofanira kuva nemutsetse wakakwana wekuyera kuti uwane, iyo zvakare ultrasonic flowmeter inogona kushandiswa chete pasi pekuvandudzwa nekukurumidza kwetekinoroji yedunhu rakabatanidzwa.
(1) Kuyera tembiricha yemuchina we ultrasonic flowmeter hakuna kukwira, uye kazhinji kunogona kuyera mvura dzine tembiricha iri pasi pe 200°C chete.
(2) Kusakwanisa kudzivirira kukanganiswa. Zviri nyore kukanganiswa neruzha rwe ultrasonic rwakasanganiswa nemabhurumu, scaling, pombi nedzimwe nzvimbo dzeruzha uye zvinokanganisa kunyatsojeka kwekuyera.
(3) Chikamu chepombi chakatwasuka chinodiwa zvakanyanya pa20D yekutanga ne5D yekupedzisira. Zvikasadaro, kupararira kwacho kwakashata uye kunyatsoyera kwacho kwakaderera.
(4) Kusava nechokwadi kwekuiswa kuchaunza chikanganiso chikuru pakuyera kuyerera kwemvura.
(5) Kukura kwepombi yekuyera kuchakanganisa zvakanyanya kururama kwekuyera, zvichikonzera zvikanganiso zvakakura zvekuyera, uye kunyangwe kusaratidza kuyerera kwemvura muzviitiko zvakakomba.
(6) Kuvimbika uye kururama kwechinhu hakusi kwakakwirira (kazhinji kacho kunenge 1.5 ~ 2.5), uye kugona kudzokororwa kwakaderera.
(7) Hupenyu hupfupi hwebasa (kururama kwakazara kunogona kuvimbiswa kwegore rimwe chete).
(8) Ultrasonic flowmeter inoyerwa nekuyera kumhanya kwemvura kuti ione kuyerera kwehuwandu, mvura inofanira kuyera kuyerera kwayo, chiyero chekushandiswa kwehuwandu chinowanikwa nekuwedzera kuyerera kwehuwandu nehuwandu hwakatarwa, kana tembiricha yemvura ikachinja, huwandu hwemvura hukachinjwa, kukosha kwehuwandu hwakatarwa, hazvigone kuvimbisa kururama kwekuyerera kwehuwandu. Kana kumhanya kwemvura kukayerwa panguva imwe chete, huwandu hwemvura hunoyerwa, uye chiyero chemvura chaiyo chinogona kuwanikwa kuburikidza nekuverenga.
(9) Kunyatsojeka kwekuyera Doppler hakuna kunyanya kukwira. Nzira yeDoppler yakakodzera mvura yebiphase isina zvinhu zvakasiyana-siyana zvakanyanya, zvakaita setsvina isina kugadziriswa, mvura inobuda mufekitori, mvura yakasviba; Kazhinji haikodzeri mvura yakachena kwazvo.
Nguva yekutumira: Zvita-18-2023