Isixhobo sokulinganisa ukuhamba kwamanzi esibizwa ngokuba yi-clamp-on flow meter sisebenza ngokusebenzisa iteknoloji ye-ultrasonic ukulinganisa isantya solwelo oluhamba ngombhobho ngaphandle kokufuna ukudibana ngqo nolwelo. Nantsi inkcazelo eneenkcukacha zendlela olusebenza ngayo:
1. Izinto eziphambili
• Iitransducers: Iitransducers ezimbini ze-ultrasonic zibotshelelwe ngaphandle kombhobho. Ezi zixhobo zisebenza njengezithumeli kunye nezamkeli zamaza e-ultrasound.
• Iyunithi ye-elektroniki: Icubungula imiqondiso evela kwii-transducers kwaye ibala isantya sokuhamba kombane.
2. Imigaqo yokulinganisa
Kukho imigaqo emibini ephambili yokusebenza kweemitha zokuhamba ezibambekayo: iTransit-Time kunye neDoppler Effect.
A. Umgaqo wexesha lokuThutha (oQhelekileyo)
• Ingaba isebenza kanjani:
• Iitransducers zithumela iipulses ze-ultrasonic ngepayipi nge-engile, zombini ezantsi (kunye nokuhamba) naphezulu (ngokuchasene nokuhamba).
• Izandi ezihamba ngezantsi zihamba ngokukhawuleza kuba zincediswa kukuhamba kolwelo, ngelixa izandi ezisezantsi zithatha ixesha elide njengoko zichasene nokuhamba.
• Umahluko kumaxesha okuhamba (\Delta t) phakathi kwemiqondiso esezantsi nephezulu uhambelana nesantya sokuhamba.
• Ukubalwa koMsinga:
Imitha yokuhamba kwamanzi ibala isantya sokuhamba kwamanzi isebenzisa i-equation: Nje ukuba isantya simiselwe, isantya sokuhamba kwamanzi esinomthamo sibalwa ngokusekelwe kwindawo enqamlezileyo yombhobho.
B. Umgaqo-nkqubo we-Doppler Effect
• Ingaba isebenza kanjani:
• Amaza e-ultrasonic adluliselwa kumbhobho aze abonise amasuntswana okanye amaqamza kulwelo.
• Amaza abonakalisiweyo afumana utshintsho lwefrikhwensi (iDoppler shift) ngenxa yokuhamba kwezi particles kunye nolwelo.
• Utshintsho kwisantya luhambelana nesantya sokuhamba kwamanzi.
• Iimeko zokusetyenziswa:
Le ndlela ifanelekile kulwelo olunezimbiwa ezixhonyiweyo okanye amaqamza egesi, afana namanzi amdaka okanye i-slurry.
3. Amanyathelo Okusebenza
1. Ii-Clamp Transducers kwiPipe: Ii-transducers zibotshelelwe kumphezulu ongaphandle wepipe nge-engile echanekileyo, ngokusekelwe kwizinto zombhobho, ububanzi, kunye nohlobo lolwelo.
2. Ukulinganisa: Imitha ilinganiswa ngeenkcukacha ezifana nobubanzi bombhobho, ubukhulu bodonga, kunye neempawu zolwelo (umz., uxinano kunye nokuqina).
3. Ukuhanjiswa kweSignali: Iitransducer zithumela kwaye zamkele amaza e-ultrasound, kwaye izixhobo ze-elektroniki zemitha zihlalutya imiqondiso.
4. Ukubalwa kweNqanaba lokuHamba koMbane: Isixhobo sibala isantya solwelo size siluguqule lube yisantya sokuhamba komthamo, esidla ngokuboniswa kwisixhobo okanye sidluliselwe kwinkqubo yokubeka esweni.
Iingenelo zoYilo lweClamp-On
• Ayihlaseli: Akukho mfuneko yokusika umbhobho okanye ukuphazamisa ukuhamba kwamanzi.
• Ukuguquguquka: Ingasetyenziswa kwiintlobo ngeentlobo zezinto zombhobho (umz., isinyithi, iPVC) kunye nobukhulu.
• Ukuthwaleka: Idla ngokuba lula ukuyiphatha xa ijongwa okanye ilinganiswa okwexeshana.
• Ulondolozo oluncinci: Akukho zixhobo zishukumayo okanye zidibana nolwelo.
Izicelo Eziqhelekileyo
• Ukusasazwa kwamanzi kunye nonyango.
• Ukubeka esweni inkqubo yemizi-mveliso.
• Iinkqubo ze-HVAC.
• Uhlolo lwamandla.
• Imibhobho yeoyile negesi.
Olu buchule lwenza ukuba ii-clamp-on flow meter zibe lukhetho oludumileyo kumashishini amaninzi ukuze kulinganiswe ngokuchanekileyo nangokungaphazamisiyo ukuhamba kwamanzi.
Ixesha leposi: Disemba-30-2024