Imitha yokugeleza kagesi (imitha yokugeleza kagesi) ilinganisa izinga lokugeleza koketshezi oluqhubayo olusekelwe kuMthetho kaFaraday Wokungeniswa Kwe-Electromagnetic. Ngokungafani namamitha okugeleza okwenziwa ngomshini, ayinazo izingxenye ezihambayo futhi ayidali noma yikuphi ukuvimba ngaphakathi kwepayipi, okwenza isetshenziswe kabanzi emanzini, emanzini angcolile, amakhemikhali, i-slurry, kanye nezinye izinhlelo zokusebenza zoketshezi oluqhubayo.
Isimiso esiyisisekelo ukuthi uma uketshezi oluhambisa umoya luhamba ensimini yamagnetic, lukhiqiza i-voltage encane kagesi. I-electromagnetic flow meter ithola le voltage bese iyiguqula ibe yijubane lokugeleza kanye nenani lesilinganiso sokugeleza.
Isimiso Sokusebenza Semitha Yokugeleza Kagesi
Inqubo yokulinganisa ihlanganisa izingxenye ezintathu eziyinhloko:
1. Isizukulwane sensimu yamagnetic
2. Ukutholwa kwe-voltage ngama-electrode
3. Ukubalwa kokugeleza yi-converter
1. Ukudala Insimu Kamagnetic Ngaphakathi Kwepayipi Lokulinganisa
Ngaphakathi kwenzwa yemitha yokugeleza kagesi, amakhoyili kagesi akhiqiza insimu yamagnetic enqamula ipayipi lokulinganisa.
I-sensor liner ihlukanisa uketshezi ngogesi emzimbeni wepayipi lensimbi, kuyilapho kufakwa ama-electrode amabili ezinhlangothini eziphambene zepayipi lokulinganisa ukuze kutholakale i-voltage ekhiqizwayo.
Uma kungekho uketshezi olugeleza, akukho ukunyakaza kwezinhlayiya eziqhubayo ensimini yamagnetic, ngakho-ke akukho voltage elinganiswayo ekhiqizwayo.
2. Ukukhiqiza Isignali Kagesi Evela Ekuhambeni Koketshezi
Uma uketshezi oluqhubayo lugeleza ensimini yamagnetic, izinhlayiya ezishajiwe ngaphakathi koketshezi zihamba zidlule emigqeni yensimu yamagnetic.
Ngokusho koMthetho kaFaraday:
* Uketshezi oluhambayo oluqhubayo lusebenza njengomqhubi.
* Insimu yamagnetic ibangela isignali ye-voltage.
* I-voltage ilingana nejubane loketshezi.
Ama-electrode afakwe ku-sensor athola lesi siginali ye-voltage.
Uma uketshezi lugeleza ngokushesha, i-voltage ebangelwayo izoba phezulu.
3. Ukuguqula Isiginali ibe Yizinga Lokugeleza
Isiguquli sithola isignali ye-voltage encane kakhulu evela kuma-electrode bese siyicubungula ngezifunda ze-elekthronikhi.
Isiguquli sibala:
* Ijubane lokugeleza
* Isilinganiso sokugeleza okusheshayo
* Ivolumu ephelele eqoqwe
Umphumela wokugcina ungaboniswa endaweni noma udluliselwe ngokusebenzisa izixhumi zokuxhumana ezifana nalezi:
* 4–20 mA
* I-RS485 Modbus
* I-HART
* Umphumela we-Pulse
* Izinqubo zokuxhumana zedijithali
Yiziphi Izinto Ezithinta Ukulinganiswa Kokugeleza Kwe-Electromagnetic?
Nakuba amamitha okugeleza kagesi ethembeke kakhulu, izimo eziningana zibalulekile ukuze kulinganiswe kahle.
1. Ukuqhuba Koketshezi
Uketshezi kumele lube nokuqhuba kukagesi okwanele ukuze kukhiqizwe isignali elinganisekayo.
Imfuneko evamile:
Ukuqhuba kwe-conductivity ≥ 5 μS/cm
Uketshezi olufanele luhlanganisa:
* Amanzi
* Amanzi angcolile
* Izixazululo zamakhemikhali
* Udaka
* Impuphu
Akufanelekile:
* Amafutha
* Uphethiloli
* Uphethiloli
* Ezinye izinto eziwuketshezi ezingahambisi ugesi
2. Ipayipi Kumelwe Ligcwale Ngokuphelele
Ipayipi lokulinganisa kumele lihlale ligcwele uketshezi.
Uma ipayipi lingenalutho ngokwengxenye:
* Ama-electrode angase angaxhumani ngokuphelele noketshezi.
* Isignali iba engazinzile.
* Ukunemba kokulinganisa kuyancipha.
Ngenxa yalesi sizathu, gwema ukufaka amamitha okugeleza kagesi:
* Endaweni ephakeme kakhulu yepayipi.
* Ngaphambi kwendawo yokukhipha amanzi yamahhala.
* Ezindaweni lapho umoya ungaqongelela khona.
3. Isisekelo Esifanele
Ngenxa yokuthi isignali yokulinganisa incane kakhulu, kubalulekile ukusekela phansi.
Ukubeka isisekelo esifanele kusiza:
* Susa ukuphazamiseka kukagesi.
* Qinisa iphuzu elingu-zero.
* Thuthukisa ukuthembeka kokulinganisa.
Izindandatho zokumisa zingadingeka ku:
* Amapayipi epulasitiki.
* Amapayipi afakwe irabha.
* Amapayipi angahambisi ugesi.
Kungani I-Electromagnetic Flow Meter Ingenawo Ukulahlekelwa Umfutho?
Inzuzo enkulu yamamitha okugeleza kagesi ukuthi azikho izingxenye ezihambayo noma izithiyo zangaphakathi.
Ububanzi bangaphakathi benzwa bucishe bufane nobubanzi bombhobho, okuvumela uketshezi ukuthi ludlule ngokukhululeka.
Izinzuzo zifaka:
* Akukho ukwehla okwengeziwe kwengcindezi.
* Kufanelekela osayizi abakhulu bamapayipi.
* Izidingo zokunakekelwa eziphansi.
* Ukusebenza kahle ngoketshezi oluqukethe izinto eziqinile ezilengayo.
Lokhu kwenza amamitha okugeleza kagesi afaneleke kakhulu ku:
* Izitshalo zokuhlanza amanzi angcolile.
* Izinhlelo zokusabalalisa amanzi.
* Izicelo zokumba.
* Izimboni zephepha ne-pulp.
Ingabe i-Electromagnetic Flow Meter ingalinganisa ukugeleza okuphambene?
Yebo.
Amamitha amaningi okugeleza kagesi angalinganisa ukugeleza kwezinhlangothi ezimbili.
Kuye ngokucushwa, imitha ingenza okulandelayo:
* Bonisa ukugeleza phambili.
* Khombisa ukugeleza okuphambene.
* Bala ukugeleza okuphelele ngezindlela ezahlukene.
Lesi sici siwusizo ezinhlelweni zokusebenza lapho isiqondiso sokugeleza singashintsha khona, njengokuthi:
* Izinhlelo zokujikeleza kwamanzi.
* Ukuhlolwa kwephampu.
* Amapayipi ezinqubo zezimboni.
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Izinzuzo Zamamitha Okugeleza Kagesi
Amamitha okugeleza kagesi anikeza izinzuzo eziningana:
Ukunemba Okuphezulu
Zinganikeza isilinganiso esizinzile nesinembile uma zifakwe kahle.
Azikho Izingxenye Ezihambayo
Azikho izinjini zomoya noma izingxenye zemishini ezingaguga.
Kufanelekela Uketshezi Olungcolile
Bangalinganisa uketshezi oluqukethe:
* Izinto eziqinile ezimisiwe
* Imicu
* Izinhlayiya ze-sludge
Ububanzi Bokusebenza Okubanzi
Izinhlelo zokusebenza ezivamile zifaka:
* Ukuhlinzekwa kwamanzi kamasipala
* Ukwelashwa kwamanzi angcolile
* Ukucubungula amakhemikhali
* Ukudla neziphuzo
* Ukumba
* Ukunisela
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Imikhawulo Yamamitha Okugeleza Kagesi
Naphezu kwezinzuzo zazo, amamitha okugeleza kagesi anemikhawulo ethile:
Ayikwazi Ukulinganisa Uketshezi Olungahambisani Nokuhola
Uketshezi olufana namafutha kanye nophethiloli alukhiqizi izimpawu zikagesi ezanele.
Kudinga Ukufakwa Okufanele
Ukufakwa okungalungile, ukuphansi okungekuhle, noma amabhamuza omoya kungathinta ukuzinza kokulinganisa.
Dinga Imidiya Eqhubayo
Ukuqhuba koketshezi kumele kuhlolwe ngaphambi kokukhetha.
Imitha yokugeleza kagesi ilinganisa ukugeleza ngokusebenzisa uMthetho kaFaraday wokungeniswa kwe-Electromagnetic. Lapho uketshezi oluqhubayo ludlula ensimini yamagnetic, lukhiqiza isignali ye-voltage etholwa yi-electrodes. Isiguquli sicubungula lesi signali futhi sibala ijubane lokugeleza kanye nesilinganiso sokugeleza.
Ngenxa yokuthi ayinazo izingxenye ezihambayo, izidingo zokunakekelwa eziphansi, kanye nokusebenza okuhle kakhulu ngoketshezi oluqhuba ugesi, imitha yokugeleza kagesi isetshenziswa kabanzi emanzini, emanzini angcolile, amakhemikhali, kanye nezinqubo zezimboni.
Ukuze kulinganiswe ngendlela enokwethenjelwa, qiniseka njalo ukuthi uketshezi luhamba kahle ngokwanele, ipayipi lihlala ligcwele ngokuphelele, futhi kuhlinzekwe isisekelo esifanele.
Isikhathi sokuthunyelwe: Julayi-27-2026