1. Intshayelelo
Iimitha zokuhamba kwe-ultrasoniczamkelwe kakhulu kumashishini ahlukeneyo ngenxa yokungabi namdla, ukuchaneka okuphezulu, kunye nokukwazi ukulinganisa amazinga okuhamba koluhlu olubanzi lolwelo. Nangona kunjalo, ukusebenza kwee-flowmeters ze-ultrasonic kunokuchaphazeleka kakhulu ziimpawu ze-linings zepayipi. Eli nqaku lihlola indlela izinto ezahlukeneyo ze-lining zepayipi ezichaphazela ngayo ukusebenza kunye nokuchaneka kwe-ultrasonic.ii-flowmeters.
2. Umgaqo wokusebenza wee-Ultrasonic Flowmeters
Iimitha zokuhamba kwe-ultrasoniczisebenza ngomgaqo wokulinganisa umahluko wexesha phakathi kwemiqondiso ye-ultrasonic ehamba phezulu nasezantsi kulwelo. Ii-transit - ixesha le-ultrasonic flowmeters zilinganisa ixesha elithathwayo ukuze amaza e-ultrasound ahambe kuzo zombini iindlela. Isantya sokuhamba kolwelo sibalwa ngokusekelwe kulo mahluko wexesha. Ii-Doppler ultrasonic flowmeters, kwelinye icala, zixhomekeke kwisiphumo seDoppler. Zilinganisa utshintsho kwimvamisa yamaza e-ultrasonic abonakala kwiisuntswana okanye amaqamza kulwelo oluhambayo.
3. Impembelelo yezinto zokufaka iipayipi
3.1 Iilineni zesinyithi
Iilinki zesinyithi, ezifana nentsimbi engatyiwayo okanye i-aluminium, zikhanya kakhulu kumaza e-ultrasonic. Xa imiqondiso ye-ultrasonic idibana nelinki yesinyithi, inxalenye enkulu yamandla e-wave ibonakaliswa ngasemva. Olu kukhanya kunokubangela ukuphazamiseka kwimiqondiso edluliselweyo nefunyenweyo kwi-ultrasonic flowmeters. Umzekelo, kwizicelo zoshishino apho imibhobho enelinki zesinyithi isetyenziselwa ukuthutha ulwelo olubolayo, ukukhanya okunamandla okuvela kwilinki kunokukhokelela ekulinganisweni okungachanekanga kwexesha - lokubhabha okanye i-Doppler shift. Ngenxa yoko, izinga lokuhamba elibaliweyo linokuphambuka kwixabiso lokwenyani.
3.2 Iingubo zerabha
Iilinki zerabha zaziwa ngokuguquguquka kwazo kunye nokumelana kakuhle nokugqwala. Nangona kunjalo, zine-acoustic attenuation ephezulu. Amaza e-ultrasonic alahlekelwa ngamandla amaninzi njengoko edlula kwiilinki zerabha. Olu nciphiso lunokunciphisa umlinganiselo wesignali-ukuya-kwingxolo kwi-ultrasonicii-flowmetersKwiinkqubo ezinee-linings zerabha ezixineneyo, imiqondiso ye-ultrasonic efunyenweyo inokuba buthathaka kakhulu ukulinganisa ngokuchanekileyo iiparameter zokuhamba kwamanzi. Umzekelo, kwizityalo zonyango lwamanzi amdaka apho imibhobho ene-linings zerabha ixhaphakileyo, ukuncitshiswa kakhulu kwamaza e-ultrasonic kunokukhokelela kwiimpazamo zokulinganisa, ingakumbi xa kulinganiswa amazinga okuhamba aphantsi.
3.3 Iingubo zeplastiki
Iiplastiki ezifakwe kwi-linings, ezifana ne-polyethylene (PE) kunye ne-polyvinyl chloride (PVC), zibonisa iimpawu ezahlukeneyo ze-acoustic. Ezinye iiplastiki zine-acoustic impedance ephantsi kakhulu, enokubangela ukurhawuzelelwa okukhulu kwamaza e-ultrasonic kwindawo ephakathi kodonga lombhobho kunye ne-lining. Olu rhawuzelelo lunokuphazamisa indlela yemiqondiso ye-ultrasonic, okwenza kube nzima kwii-flowmeterukulinganisa ngokuchanekileyo ixesha lokubhabha okanye i-Doppler shift. Ukongeza, ii-linings zeplastiki zinokufunxa ubungakanani obuthile bamandla e-ultrasonic, nto leyo enciphisa ngakumbi amandla esignali. Umzekelo, kwiinkqubo zokunkcenkceshela ezisebenzisa iipayipi ezifakwe i-PVC, ukurhawuzelelwa kunye nokufunxwa kwamaza e-ultrasonic yi-lining kunokukhokelela ekulinganisweni kokuhamba kwamanzi ngendlela engachanekanga.
3.4 Iilineni zeseramikhi
Iilinki zeseramikhi zihlala zisetyenziswa kwiindawo ezinobushushu obuphezulu nezirhabaxa ngenxa yokuguguleka kwazo okuhle kunye nokuzinza kobushushu obuphezulu. Nangona kunjalo, izixhobo zeseramikhi zine-acoustic impedance ephezulu, enokubangela ukubonakaliswa okunamandla kwamaza e-ultrasonic. Njengee-lining zesinyithi, ukubonakaliswa okuvela kwiilinki zeseramikhi kunokuphazamisana nokusebenza okuqhelekileyo kwee-ultrasonic flowmeters. Kumashishini afana nokuveliswa kwemigodi kunye nesamente, apho imibhobho ene-ceramic linings isetyenziselwa ukuthutha i-slurry erhabaxa, ukubonakaliswa okunamandla kwamaza e-ultrasonic avela kwi-lining yeseramikhi kunokubangela ukulinganiswa kokuhamba okungathembekanga.
4. Amaqhinga okunciphisa umngcipheko
Ukunciphisa impembelelo yee-linings zepayipi kwii-flowmeters ze-ultrasonic, kungasetyenziswa amaqhinga aliqela. Enye indlela kukukhetha uhlobo olufanelekileyo lwe-flowmeter ye-ultrasonic ngokusekelwe kwiimpawu ze-lining yepayipi. Umzekelo, kwiipayipi ezine-linings ezikhanyayo kakhulu, ii-flowmeters ze-ultrasonic zohlobo lwe-Doppler zinokuba zifanelekile ngakumbi njengoko zingachaphazeleki kakhulu kukubonakaliswa kwesignali. Elinye icebo kukuphucula ukufakwa kwe-flowmeter. Oku kuquka ukuqinisekisa ukulungelelaniswa okufanelekileyo kwee-transducers ze-ultrasonic kunye nokukhetha indawo efanelekileyo yokufakela ukunciphisa impembelelo yokuphazamiseka kwesignali enxulumene ne-lining. Ukongeza, iindlela eziphambili zokucubungula isignali zingasetyenziswa ukuphucula ukuchaneka kokulinganisa ukuhamba kwamanzi xa kukho ii-linings zepayipi.
5. Isiphelo
Izinto ezisetyenziswa kwiilinki zemibhobho zidlala indima ebalulekileyo ekusebenzeni kwee-flowmeters ze-ultrasonic. Izinto ezahlukeneyo zelinki, ezifana nesinyithi, irabha, iplastiki, kunye ne-ceramic, zinokuba nemiphumo eyahlukeneyo kwimiqondiso ye-ultrasonic, kubandakanya ukubonakalisa, ukunciphisa, kunye nokurhawuzelelwa. Ukuqonda ezi mpembelelo kunye nokusebenzisa amaqhinga okunciphisa afanelekileyo kubalulekile ukuqinisekisa ukulinganiswa kokuhamba okuchanekileyo nokuthembekileyo kwizicelo zoshishino. Ngokuqwalasela ngononophelo iipropati zeelinki zemibhobho kunye nokukhetha i-flowmeter ye-ultrasonic efanelekileyo kunye nendlela yokufaka, amashishini angenza ngcono ukusebenza kwawoumlinganiselo wokuhamba kwamanziiinkqubo.
Ixesha leposi: Epreli-08-2025