Izizathu eziphambili zokulinganisa ngokungachanekanga ii-flowmeters ze-electromagnetic zahlulwe kwiindidi ezine: imeko ephakathi, ukufakwa kwezixhobo, ukuguguleka kwezixhobo, kunye noseto lweeparameter. Iinkcukacha zezi zilandelayo:
1. Imeko ephakathi ayihlangabezani neemfuno zokulinganisa
- Umbhobho awuzaliswanga ngokupheleleyo nge-medium okanye kukho amaqamza omoya, nto leyo ebangela ukunqunyulwa okunganelanga kwe-magnetic field kunye nemiqondiso engahambelaniyo.
- Ukuqhuba kombane kwesixhobo kuphantsi kunomlinganiselo wesixhobo (ngesiqhelo <5μS/cm), okwenza kube nzima ukwenza umsinga osebenzayo.
- Le medium iqulethe ukungcola okuninzi kunye neenkunkuma, ezinamathela kumphezulu we-electrode okanye eziphazamisana nentsimi yokuhamba kwamanzi.
2. Indawo/indlela yokufaka engafanelekanga
- Ukunqongophala kwemibhobho ethe tye ngaphambi nasemva (ukungaphumeleli ukuhlangabezana neemfuno ze-10D ngaphambi nasemva, apho u-D bububanzi bombhobho), okanye ukuba kufutshane neempompo, iivalvu, okanye iingqiniba, okubangela ukuphazamiseka kwendlela yokuhamba kwamanzi.
- Indawo yokufakela i-electrode engafanelekanga, njengasentla (ukuqokelelana komoya) okanye ezantsi (ukuqokelelana kwe-slag) yombhobho, ukungaphumeleli ngokupheleleyo ekunxibelelaneni nendawo ephakathi.
- Isantya sokuhamba esiphakathi singaphandle koluhlu lwesixhobo (ukuba siphantsi kakhulu sinokubangela ukuphazamiseka kwengxolo, ukuba siphezulu kakhulu singonakalisa ulwelo).
3. Ukonakala okanye ukungasebenzi kakuhle kwezixhobo
- Ukukhula kwe-electrode, ukugqwala, okanye ukuguguleka, okukhokelela ekuhanjisweni kwesignali okuvalekileyo okanye okungalunganga.
- Ukonakala kwelayini, ukuguga, okanye ukuguqulwa, ukutshintsha imo yomjelo wokuhamba okanye okuchaphazela ukusebenza kobushushu.
- Ukusilela kwezixhobo ze-elektroniki ze-converter, njengokonakala kwesekethe ye-amplifier okanye i-excitation coil, okuchaphazela ukusetyenzwa kwesignali.
4. Ukuseta iiparameter okanye ukuphazamiseka kokusingqongileyo
- Iiparameters ezinje ngobubanzi bepayipi, uluhlu, kunye nobushushu/uxinzelelo oluphakathi azihambelani neemeko zokusebenza zokwenyani.
- Kukho ukuphazamiseka okukhulu kwe-electromagnetic (ezifana nee-frequency converters, ii-motors ezinkulu), okuphazamisa ukuhanjiswa kwesignali.
- Ukulinganiswa kwe-zero akukagqitywa okanye akukaphumeleli, ingakumbi ukuba akukho kulungiswa kwakhona okwenziwayo emva kokusetyenziswa ixesha elide.
Ixesha leposi: Oktobha-31-2025