Munyika yekupisakuyerwa kwesimba, ma "electromagnetic heat meters" uye ma "ultrasonic heat meters" anonyanya kuzivikanwa semidziyo miviri yakakurumbira uye yepamusoro-soro yetekinoroji. Pasinei nechinangwa chavo chekuyera kushandiswa kwekupisa nemazvo, vanoratidza musiyano mukuru mumisimboti yavo yekushanda, hunhu hwekushanda, uye mamiriro ekushandiswa. Kunzwisisa musiyano uyu kwakakosha pakusarudza mhinduro yakakodzera ye "heat-metering" ye "systems" dzakasiyana-siyana dzekupisa nekutonhodza.
1. Nheyo dzeKushanda
1.1 Mamita ekupisa emagetsi
Ma electromagnetic heat meter anoshanda zvichibva pamutemo waFaraday we electromagnetic induction. Mukati me meter, mune magnetic field inogadzirwa nema coils. Kana conductive heating medium, senge mvura, ichipfuura nemuchubhu yekuyera ye meter yakatarisana ne magnetic field iyi, electromotive force inokonzereswa. Sekureva kwemutemo waFaraday, hukuru hwe electromotive force iyi hunoenderana zvakananga nekumhanya kwe flow ye medical uye simba re magnetic field. Nekuyera voltage iyi induced, iyomwero wekuyererayenzvimbo yekupisa inogona kutsanangurwa. Pamwe chete nekuyera musiyano wekupisa pakati pemapaipi emagetsi neekudzosa, kushandiswa kwekupisa kunogona kuverengwa nemazvo. Iyi nheyo inoita kuti mita dzemagetsi dzinoyera kupisa dzinonzwa zvakanyanya kuyerera kwemvura dzinofambisa mvura, uye dzinogona kupa mhedzisiro yekuyera yakavimbika chero bedzi mvura ichiramba ichifambisa magetsi.
1.2 UltrasonicMamita ekupisa
Michina yekupisa yeUltrasonic, kune rumwe rutivi, inoshandisa musimboti wekupararira kweultrasonic mumvura. Inosanganisira ma transducers e ultrasonic anoburitsa uye anogamuchira mafungu e ultrasonic. Kune nzira mbiri huru dzekuyera kuyerera: nzira yekufambisa - nguva uye nzira yeDoppler. Munzira yekufambisa - nguva, mafungu e ultrasonic anotumirwa kumusoro nekudzika kuburikidza nepakati inoyerera. Musiyano wenguva yekuparadzira yemafungu e ultrasonic anofamba munzira dzekumusoro nedzepasi unoyerwa. Musiyano wenguva iyi une chekuita nekumhanya kwekuyerera kwenzvimbo. Sezvo nzvimbo inoyerera, mafungu e ultrasonic anofamba pasi anokurumidziswa, nepo ari kufamba kumusoro achidzikiswa. Nekuverenga mutsauko wenguva uyu uye kushandisa mafomura akakodzera, mwero wekuyerera unogona kuwanikwa. Nzira yeDoppler, inoshanda zvakanyanya kune mvura ine zvidimbu zvakamiswa kana mabhubhu, inoyera kushanduka kwemafungu e ultrasonic anoratidzwa kubva muzvikamu izvi zvinofamba kuti ionekumhanya kwekuyereraKufanana nemamita ekupisa emagetsi, mita dzekupisa dzema ultrasonic dzinoyerawo musiyano wekupisa pakati pemapaipi ekupa neanodzosera kuti dziverenge kushandiswa kwekupisa.
2. Kuyera Kwakarurama uye Kunzwisisa
2.1 Mamita ekupisa emagetsi
Ma electromagnetic heat meter anowanzo kupa kunyatsojeka uye kugadzikana kwakanyanya, kunyanya kune mvura yakachena, inofambisa mhepo. Kunyatsojeka kwawo hakunyanyi kukanganiswa nezvinhu zvakaita sekusimba kwemvura uye huwandu hwayo, chero bedzi mvura yacho ichiramba ichifambisa mhepo. Anogona kusvika padanho rekunyatsojeka re ±0.5% kusvika ±1% pasi pemamiriro ekushanda akajairwa. Zvisinei, kana mvura yacho iine zvinhu zvakawanda zvisingafambise mhepo, zvakaita semabubble emhepo kana zvidimbu zvisingafambise mhepo, zvinogona kukanganisa simba remagineti uye kuderedza kunyatsojeka kwekuyera.
2.2 Mamita ekupisa eUltrasonic
Kururama kwema ultrasonic heat meters kunoenderana nezvinhu zvakasiyana-siyana, kusanganisira mhando yema ultrasonic transducers, mhando yekuisa, uye hunhu hwemvura yakayerwa. Mumamiriro ezvinhu akanaka, nemvura yakachena uye kuiswa kwakakodzera, ultrasonic heat meters inoshandisa nzira ye transit - time inogona kuwana kururama kweinenge ±1% kusvika ±2%. Zvisinei, kuvapo kwe suspended solids, scale, kana air bubbles mumvura kunogona kukanganisa kupararira kwema ultrasonic waves, zvichikonzera zvikanganiso zvekuyera. Doppler - type ultrasonic heat meters, iyo yakakodzera mvura yakasviba, inowanzo kuve nekururama kwakaderera zvichienzaniswa ne transit - time type, kazhinji inenge ±2% kusvika ±5%.
3. Maitiro Ekushandisa
3.1 MagetsiMamita ekupisa
Mamita ekupisa emagetsi akakodzera kushandiswa uko nzvimbo yekupisa yakachena uye inofambisa mvura, senge mumasisitimu ekupisa anoshandiswa pakati pemvura yakacheneswa, masisitimu ekupisa ezvivakwa zvemazuva ano, uye maitiro emaindasitiri ane maturusi ekufambisa mvura. Haakurudzirwi kushandiswa nematurusi asina kufambisa mvura kana maturusi ane tsvina yakawanda isina kufambisa mvura, sezvo izvi zvinogona kukonzera kutadza kuyerwa. Pamusoro pezvo, nekuda kwechimiro chavo, mamita ekupisa emagetsi anoda hurefu hwakati hwemapombi akatwasuka asati aiswa uye mushure mekuiswa kuti ave nechokwadi chekuti kuyerera kwakasimba, izvo zvinogona kudzikamisa kushandiswa kwawo munzvimbo dzakamanikana.
3.2 Mamita ekupisa eUltrasonic
Mita dzekupisa dzeUltrasonic dzinochinjika zvakanyanya kana tichitarisa mamiriro ekushandiswa. Rudzi rwenguva yekufambisa rwakakodzera mvura yakachena uye runowanzo shandiswa mumichina yekudziisa dzimba, network dzekudziisa dzedunhu, uye masisitimu ekupa mvura. Mita dzekupisa dzeUltrasonic dzerudzi rweDoppler dzinogona kubata mvura ine zvidimbu zvakasungirirwa kana mabubble, zvichiita kuti dzishande mumaindasitiri uko mvura inogona kunge iine tsvina, senge nzvimbo dzekuchenesa mvura yakasviba kana mamwe maitiro ekugadzira ane mvura yakasviba. Uyezve, mita dzekupisa dzeUltrasonic hadzidi kureba kwepombi kwakatwasuka semita dzekupisa dzemagetsi, zvichiita kuti dzive sarudzo iri nyore yekuisa munzvimbo dzakamanikana.
4. Kugadzirisa uye Kugara Kwenguva refu
4.1 MagetsiMamita ekupisa
Ma electromagnetic heat meter anowanzova nechimiro chemukati chiri nyore chisina zvikamu zvinofamba, izvo zvinoderedza njodzi yekukuvadzwa nekugadzirwa kwemuchina. Zvisinei, chubhu yekuyera inogona kuve nengura nekufamba kwenguva, kunyanya kana ichibata nemvura ine zvinhu zvinoparadza kana huwandu hwakawanda hwezvicherwa. Kuongorora nekucheneswa nguva dzose kwechubhu yekuyera kunodiwa kuti kuyera kuve kwakarurama. Pamusoro pezvo, ma electromagnetic coils nema electrodes anofanirwa kudzivirirwa kubva pakukanganiswa kwemagetsi uye kukuvara kwemuviri.
4.2 UltrasonicMamita ekupisa
Mamita ekupisa eUltrasonic haanawo zvikamu zvinofamba, izvo zvinoita kuti agare akavimbika kwenguva refu. Chinhu chikuru chinotarisirwa pakugadzirisa mamita ekupisa eUltrasonic ikushanda kwematransducer eUltrasonic. Nekufamba kwenguva, matransducer anogona kudzikira nekuda kwezvinhu zvakaita sekuchinja-chinja kwekushisa, ngura yemakemikari, kana kuti kudedera kwemuchina. Kuongororwa nguva dzose uye kuongororwa kwematransducers kunodiwa kuti pave nechokwadi chekuyera kwakarurama. Zvisinei, zvichienzaniswa nemamita ekupisa emagetsi, mamita ekupisa eUltrasonic haanyanyi kukanganiswa nengura yemvura uye kukura, zvichiita kuti agare kwenguva refu munzvimbo dzine mvura yakaoma.
Mukupedzisa, mita dzekupisa dzemagetsi nemita dzekupisa dzeultrasonic imwe neimwe ine zvayakanakira nezvayakaipira. Mata ekupisa emagetsi anobudirira pakuyera mvura yakachena, inofambisa mvura zvine hungwaru hwakanyanya, nepo mita dzekupisa dzeultrasonic dzichipa kuchinjika kukuru mumamiriro ekushandiswa uye dzinochinjika zvakanyanya mumamiriro akasiyana-siyana emvura. Pakusarudza pakati pezviviri izvi, zvinhu zvakaita semhando yenzvimbo yekupisa, kunyatsoyera kunodiwa, nzvimbo yekuisa, uye zvinodiwa zvekuchengetedza zvinofanirwa kufungwa nekungwarira kuti zvive nechokwadi chekuti kupisa kunoshanda zvakanaka -sisitimu yekuyera.
Nguva yekutumira: Chivabvu-27-2025