1. Nhanganyaya
Ma ultrasonic flowmetersZvinoshandiswa zvakanyanya mumaindasitiri akasiyana-siyana nekuda kwekusapinda kwavo muropa, kunyatsorurama, uye kugona kuyera mwero wekuyerera kwemvura dzakasiyana-siyana. Zvisinei, mashandiro e ultrasonic flowmeters anogona kukanganiswa zvakanyanya nehunhu hwema linings emapombi. Chinyorwa chino chinoongorora kuti zvinhu zvakasiyana-siyana zve lining zvepombi zvinokanganisa sei mashandiro uye kururama kwe ultrasonic.mita dzekufamba.
2. Nheyo yekushanda kweUltrasonic Flowmeters
Ma ultrasonic flowmetersvanoshanda nepfungwa yekuyera musiyano wenguva pakati pezviratidzo zve ultrasonic zvinofamba zvichikwira uye zvichidzika mumvura. Transit - nguva ultrasonic flowmeters inoyera nguva inotorwa kuti mafungu e ultrasonic afambe munzira dzose dziri mbiri. Kumhanya kwekuyerera kwemvura kunoverengerwa zvichibva pamusiyano wenguva iyi. Doppler ultrasonic flowmeters, kune rumwe rutivi, vanovimba neDoppler effect. Vanoyera shanduko muhuwandu hwemafungu e ultrasonic anoonekwa kubva muzvidimbu kana mabhubhu mumvura inoyerera.
3. Kukanganiswa kwezvinhu zvepaipi
3.1 Matanda esimbi
Matanda esimbi, akadai sesimbi isina ngura kana aruminiyamu, anonyatsoratidza chiedza kumafungu eultrasonic. Kana masaini eultrasonic akasangana nesimbi, chikamu chikuru chesimba remafungu chinoonekwazve. Kuratidzwa uku kunogona kukonzera kukanganiswa kwemasaini anotumirwa uye anogamuchirwa muma ultrasonic flowmeters. Semuenzaniso, mumashandisirwo emaindasitiri uko mapaipi ane matanda esimbi anoshandiswa kutakura mvura inoparadza, kuratidzwa kwakasimba kubva mumadziro kunogona kutungamira pakuyera kusina kururama kwenguva - yekubhururuka kana Doppler shift. Nekuda kweizvozvo, mwero wekuyerera wakaverengerwa unogona kusiyana nemutengo chaiwo.
3.2 Machira eRabha
Machira erabha anozivikanwa nekuchinjika kwawo uye kuramba ngura zvakanaka. Zvisinei, ane acoustic attenuation yakanyanya. Mafungu eUltrasonic anorasikirwa nesimba rakawanda paanopfuura nepakati pemarabha. Kuderedzwa uku kunogona kuderedza signal - to - noise ratio mu ultrasonicmita dzekufambaMumasystem ane rabha dzakakora, masaini e ultrasonic anogamuchirwa anogona kunge asina kusimba zvekuyera nemazvo ma flow parameters. Semuenzaniso, muzviteshi zvekurapa mvura yakasviba uko mapaipi ane rabha akajairika, kudzikira kwakanyanya kwema ultrasound waves kunogona kukonzera zvikanganiso zvekuyera, kunyanya pakuyera mwero wemvura yakaderera.
3.3 Mapeteni epurasitiki
Mapurasitiki akaita sepolyethylene (PE) nepolyvinyl chloride (PVC), ane hunhu hwakasiyana hweacoustic. Mamwe mapurasitiki ane acoustic impedance yakaderera, izvo zvinogona kukonzera refraction yakakura yemafungu e ultrasonic panzvimbo iri pakati pemadziro epombi ne lining. Refraction iyi inogona kukanganisa nzira ye ultrasonic signals, zvichiita kuti zviomerechiyero cheflowmeterkuyera nemazvo nguva yekubhururuka kana Doppler shift. Pamusoro pezvo, mapurasitiki anogona kutora simba re ultrasonic, zvichideredza simba rechiratidzo. Semuenzaniso, mumasisitimu ekudiridza anoshandisa mapaipi ePVC, kudzorwa uye kunyudzwa kwemafungu e ultrasound ne membrane kunogona kukonzera kuyerwa kwekuyerera kusina kururama.
3.4 Matanda eCeramic
Matanda esimbi anowanzo shandiswa munzvimbo dzine tembiricha yakakwira uye dzinokwesha nekuda kwekupfeka kwadzo kwakanaka uye kugadzikana kwekupisa kwakakwira. Zvisinei, zvinhu zvesimbi zvine acoustic impedance yakakwira, izvo zvinogona kukonzera kuratidzwa kwakasimba kwemafungu eultrasonic. Kufanana nematanda esimbi, kuratidzwa kubva kumatanda esimbi kunogona kukanganisa mashandiro akajairika ema ultrasonic flowmeters. Mumaindasitiri akadai sekugadzira migodhi nesimende, uko mapaipi ane matanda esimbi anoshandiswa kutakura maslurry abrasive, kuratidzwa kwakasimba kwemafungu eultrasonic kubva kumatanda eceramic kunogona kukonzera kuyerwa kwekuyerera kusingavimbike.
4. Maitiro Ekuderedza Dambudziko
Kuti kuderedza kukanganiswa kwemapaipi pa ultrasonic flowmeters, nzira dzakasiyana-siyana dzinogona kushandiswa. Imwe nzira ndeyekusarudza mhando yakakodzera ye ultrasonic flowmeter zvichienderana nehunhu hwe ultrasonic lining. Semuenzaniso, mumapaipi ane ultrasonic linings dzinoratidza chiedza zvakanyanya, Doppler - type ultrasonic flowmeters dzinogona kunge dzakakodzera sezvo dzisinganyanyi kukanganiswa ne signal reflection. Imwe nzira ndeyekugadzirisa kuiswa kwe flowmeter. Izvi zvinosanganisira kuona kuti ma ultrasonic transducers anorongeka zvakanaka uye kusarudza nzvimbo yakakodzera yekuisa kuderedza kukanganiswa kwe lining - kunokonzerwa ne signal distortion. Pamusoro pezvo, matekiniki epamusoro ekugadzirisa ma signal anogona kushandiswa kuwedzera kururama kwekuyera kuyerera kana paine payipi linings.
5. Mhedziso
Zvinhu zviri mumapaipi zvinoita basa guru mukushanda kwema ultrasonic flowmeters. Zvinhu zvakasiyana-siyana zvakaita sesimbi, rabha, purasitiki, uye ceramic, zvinogona kuva nemigumisiro yakasiyana-siyana pazviratidzo zve ultrasonic, kusanganisira kufungisisa, kuderedza, uye kupenya. Kunzwisisa kukanganisa uku nekushandisa nzira dzakakodzera dzekuderedza kupenya kwakakosha pakuona kuti kuyerwa kwekuyerera kwakarurama uye kwakavimbika mumashandisirwo emaindasitiri. Nekunyatsoongorora hunhu hwemapaipi uye kusarudza ultrasonic flowmeter chaiyo uye nzira yekuisa, maindasitiri anogona kugadzirisa mashandiro avo.kuyerwa kwekuyereramasisitimu.
Nguva yekutumira: Kubvumbi-08-2025