1. Ukuba nokwenzeka kwe-Ultrasonic Flowmeters kwizisombululo ze-Acidic/Alkaline
Ewe, ii-ultrasonic flowmeters zinokulinganisa ngempumelelo izisombululo ze-acidic kunye ne-alkaline, kodwa ukufaneleka kwazo kuxhomekeke ikakhulu ekukhethweni kwezinto ze-transducer kunye nohlobo lokufakelwa—izinto ezimbini ezijongana ngokuthe ngqo nohlobo lokubola kwezi fluids. Ngokungafaniyo neemitha ezingenelelayo (umz., ii-electromagnetic flowmeters ezinee-electrodes zangaphakathi) ezibeka emngciphekweni wokubola ngenxa yokudibana ngqo nee-asidi/iziseko ezinamandla, ii-ultrasonic flowmeters (ingakumbi iimodeli ze-clamp-on) zinciphisa ukudibana kolwelo ngokufaka ii-transducers ngaphandle kombhobho. Kwii-in-line ultrasonic flowmeters (apho ii-transducers zidibana nesisombululo), zisebenzisa izinto ezimelana nokubola ezifana ne-PTFE (polytetrafluoroethylene), i-ceramic, okanye i-Hastelloy iqinisekisa ukuhambelana nolwelo olunamandla njenge-sulfuric acid, i-hydrochloric acid, okanye i-sodium hydroxide. Ukuba nje izinto ze-transducer zihambelana nokubola kwesisombululo kwaye izinto zepayipi (umz., i-PVC, i-PVDF ye-acidic fluids) ziyahambelana, ii-ultrasonic flowmeters zigcina ukusebenza okuzinzileyo ngaphandle kokuwohloka.
2. Iingenelo eziphambili kuneemitha zemveli zolwelo oludlakadlaka
Ii-ultrasonic flowmeters zibonelela ngeenzuzo ezikhethekileyo xa kulinganiswa izisombululo ze-asidi/ze-alkaline, zijongana neengxaki zobuchwepheshe bendabuko bokulinganisa:
- Akukho Kuguguleka Okubangelwa Kukugqwala: Ngokungafaniyo nee-flowmeters zoomatshini (umz., ii-turbine meters) ezineendawo ezihambayo ezigqwala neziqhawukayo, okanye ii-electromagnetic meters ezinee-electrodes zesinyithi ezisengozini yokuhlaselwa yi-asidi/alkali, ii-ultrasonic flowmeters (i-clamp-on) azinazo izinto ezidibana ngqo nesisombululo. Iimodeli ezikwi-line zisebenzisa izinto ezingasebenziyo, zisusa ukulahleka kokuchaneka okunxulumene nokugqwala okanye ukusilela kwesixhobo.
- Ayichaphazeleki yi-Fluid Conductivity: Izisombululo ze-asidi kunye ne-alkaline zahluka kakhulu kwi-conductivity (umz., i-dilute acetic acid ine-conductivity ephantsi, ngelixa i-concentrated sodium hydroxide ine-conductivity ephezulu). Ii-electromagnetic flowmeters zixhomekeke kwi-fluid conductivity ukuze zisebenze kwaye zinokungaphumeleli kwii-asidi ze-low-conductivity, kodwa ii-ultrasonic flowmeters zilinganisa ukuhamba nge-sound wave propagation—i-conductivity, i-viscosity, okanye ukwakheka kweekhemikhali kwesisombululo akuphazamisi ukufundwa kwazo.
- Ulondolozo Oluncinci: Ulwelo oludla ngokubangela ukugcinwa rhoqo kweemitha zemveli (umz., ukutshintsha ii-electrodes ezidla ngokutya okanye iindawo zoomatshini). Iimitha zokuhamba ze-Ultrasonic, ezingenazo iindawo ezihambayo okanye izinto ezinokutya, zifuna kuphela ukujongwa rhoqo kokulungelelaniswa kwe-transducer okanye imeko yodonga lombhobho, okunciphisa ixesha lokungasebenzi kunye neendleko zokulungisa.
3. Izinto Ezibalulekileyo Eziqwalaselweyo Ukuze Kulinganiswe Ngokuthembekileyo
Ukuqinisekisa ukulinganiswa ngokuchanekileyo nangokude kwezisombululo ze-asidi/ze-alkaline, izinto ezintathu ezibalulekileyo kufuneka zibekwe phambili:
- Ukuhambelana kwezinto zeTransducer: Khetha izinto ezisekelwe kumandla kunye nohlobo lwesisombululo. Umzekelo, i-PTFE isebenza kwiiasidi ezininzi ezinamandla (ngaphandle kwe-hydrofluoric acid eshushu), ngelixa ii-transducers zeceramic zisingatha izisombululo ze-alkaline ezishushu kakhulu (umz., i-80°C sodium hydroxide). Kuphephe ukusebenzisa ii-transducers zesinyithi (umz., intsimbi engatyiwayo) kwiincindi ezinamandla ezibolayo, njengoko ziya konakala ngokuhamba kwexesha.
- Imeko kunye nezinto ezisetyenziswa yiPipe: Umbhobho ngokwawo kufuneka umelane nokugqwala—iindlela eziqhelekileyo ziquka iPVDF (kwii-asidi ezinamandla), iPVC (kwii-asidi/iziseko ezithambileyo), okanye intsimbi egqunywe ngeglasi (kwii-fluids ezigqwala ezishushu kakhulu). Udonga lombhobho owonakeleyo okanye ogqwalileyo lunokuphazamisa imiqondiso ye-ultrasonic, nto leyo ekhokelela kwiimpazamo zokulinganisa; qinisekisa ukuba umbhobho awuguquki kwaye unomphezulu ongaphakathi ogudileyo.
- Imida yoBushushu kunye noXinzelelo: Iiasidi/iziseko ezinamandla zinokusebenza kumaqondo obushushu aphezulu (umz., i-sulfuric acid yezinga loshishino kwi-60–80°C) okanye uxinzelelo. Qinisekisa ukuba uluhlu lokusebenza lwe-ultrasonic flowmeter luhambelana nobushushu kunye noxinzelelo lwesisombululo—ukudlula le mida kunokonakalisa ii-transducers okanye kunciphise ukuchaneka kwesignali. Kwizicelo zobushushu obuphezulu, khetha ii-transducers ezimelana nobushushu obuphezulu (umz., iimodeli ze-ceramic ezilinganiswe ukuya kuthi ga kwi-150°C).
Isishwankathelo
Ii-ultrasonic flowmeters ziyindlela efanelekileyo nethembekileyo yokulinganisa izisombululo ze-asidi kunye ne-alkaline, ukuba nje izinto ze-transducer ziyahambelana nokubola kolwelo, kwaye iimeko zepayipi zihlangabezana neemfuno ezisisiseko. Uyilo lwazo olungaphazamisiyo (kwiimodeli ze-clamp-on) okanye izinto ezikwi-line-resistant-corrosion, kunye nokungathinteleki kokuqhuba kolwelo, zenza zibe ngcono kuneemitha zemveli kwiindawo ezibolayo. Ngokujonga ukuhambelana kwezinto, imeko yepayipi, kunye nemida yokusebenza, ii-ultrasonic flowmeters zibonelela ngomlinganiselo ochanekileyo, ongadingi kulungiswa kakhulu kwizicelo zamanzi ezimboni, ekhemikhali, okanye amdaka aquka ulwelo lwe-asidi/alkaline.
Ixesha lokuthumela: Agasti-29-2025