Imitha yokugeleza ye-ultrasonic yesiteshi esivulekile ihilela ukusebenzisa imitha yokugeleza ye-ultrasonic kanye ne-Parshall flume ukukala ukugeleza koketshezi esiteshini esivulekile. Nazi izici ezibalulekile:
- Indlela esebenza ngayo:
- I-Parshall flume: I-Parshall flume iyisakhiwo esiqinile se-hydraulic esisheshisa ukugeleza kwesiteshi esingaphansi kwe-subcritical, esivulekile. Ifinyeza zombili izindonga ezihambisanayo futhi inokwehla phansi emphinjeni we-flume. Lokhu kuvumela izinga lokugeleza engxenyeni ephezulu ye-flume ukuthi linqunywe ngokulinganisa kwezinga elilodwa endaweni ethile.
- Imitha yokugeleza ye-Ultrasonic: Inzwa efakwe ngaphezu komfula wokugeleza ku-Parshall flume idlulisela umsindo ozwakala ebusweni bamanzi. Isikhathi esidlulile phakathi kokuthumela i-pulse nokwamukela i-echo sinquma izinga lamanzi ku-flume. Lokhu kulinganiswa kwezinga kube sekuguqulwa kube yizinga lokugeleza ngokusebenzisa i-equation ehlelwe kusengaphambili ethize ngohlobo nosayizi we-flume ye-Parshall esetshenziswayo.
- Izinzuzo:
- Ukunemba: Kunganikeza ukunemba okuhle okuphelele kokulinganisa ukugeleza, ngokuvamile kungaphakathi kuka-±8-10% kuye ngezici ezahlukahlukene njengokunemba kwe-flume, ukunemba kwemitha yokugeleza, iphutha lokufakwa, kanye nephutha lokulinganisa.
- Ukufakwa okungathintani: Inzwa ye-ultrasonic ayithinti uketshezi, okusho ukuthi ayithintwa yizici ezifana namafutha, izinto eziqinile ezilengayo, udaka, namakhemikhali agqwalisayo emgudwini wokugeleza. Idinga nokunakekelwa okuncane.
- Uhlu olubanzi lwezicelo: Ama-parshall flume asetshenziswa kabanzi ezinhlotsheni ezahlukene ezifana neziteshi zokunisela, amanzi angaphezulu, izindawo zokukhipha amanzi ezimbonini, kanye nezitshalo zokuhlanza amanzi angcolile. Ukuhlanganiswa ne-ultrasonic flow meter kwenza kube yisisombululo esiguquguqukayo sokulinganisa ukugeleza kweziteshi ezivulekile.
- Ububi nezinselele:
- Izici Zemvelo: Amamitha okugeleza e-Ultrasonic angase athintwe umoya, umusi, kanye nokushisa komoya. Izinguquko ekushiseni komoya zingathinta isivinini somsindo, ngakho-ke imitha yokugeleza idinga ukukhokhela lezi zinguquko. Ukukhanya kwelanga kungathinta nokusebenza kwenzwa ngokushisa inzwa ngokwenziwa.
- Ukuphazamiseka kokugeleza: Ukuxokozela, igwebu, kanye nemfucumfucu entantayo ekugelezeni kunganikeza ukufundwa kokugeleza okuphezulu okwenziwe njengoba imitha ingase ikubone lokhu ngaphambi kokuba ithole izinga langempela lobuso bomfudlana wokugeleza.
- Izidingo zokufakwa kwe-flume: Ama-flume e-parshall kudingeka abe sezingeni elifanele kusukela phambili kuya emuva kanye nasohlangothini oluya kolunye ukuze kulinganiswe kahle. Nakuba kuthuthukiswe ukulungiswa kwamanye ama-flume, ukuqinisekisa ukufakwa nokuhambisana kahle kubalulekile ekulinganisweni okunembile kokugeleza.
Isikhathi sokuthunyelwe: Novemba-05-2024