Eyona mfuneko iphantsi yokuqhuba umbane yinto ebalulekileyo ekufuneka iqwalaselwe xa ukhetha imitha yokuhamba kombane. Ngokungafaniyo neemitha zokuhamba kombane okanye iimitha zokuhamba kwe-ultrasonic, iimitha zokuhamba kombane zifuna ukuba ulwelo olulinganisiweyo lube nenqanaba elithile lokuqhuba kombane ukuze kuveliswe isignali enokulinganiswa.
Ngokubanzi, uninzi lweemitha zokuhamba kwe-electromagnetic zifuna ukuhanjiswa kolwelo:
≥ 5 μS/cm (ii-microsiemens ngesentimitha)
Ezinye iimitha zokuhamba kwe-electromagnetic ezisebenza kakuhle zinokulinganisa ulwelo olune-conductivity ephantsi, kodwa ukuze kulinganiswe ngokuthembekileyo nangokuzinzileyo, kucetyiswa ukuba i-conductivity engaphezulu kwe-5 μS/cm.
Kutheni i-Conductivity ichaphazela ukulinganiswa kweMitha yokuHamba kwe-Electromagnetic?
Imitha yokuhamba kwe-electromagnetic isebenza ngokoMthetho kaFaraday woKwaziswa kwe-Electromagnetic.
Xa ulwelo oluqhubayo ludlula kwi-magnetic field eyenziwe yi-sensor, kuveliswa i-voltage ebangelwayo. Ii-electrodes ezifakwe ngaphakathi kwi-sensor zibona esi siginali se-voltage, kwaye i-converter ibala isantya sokuhamba.
Amandla esignali eveliswayo axhomekeke ekuqhubeni kombane kolwelo.
Ukuba umbane ohambayo uphantsi kakhulu:
* Isignali yevolthi ebangelwayo iba buthathaka kakhulu.
* Ii-electrode azikwazi ukubona isignali ezinzileyo.
* Imveliso inokutshintshatshintsha.
* Imitha yokuhamba kwamanzi inokubonisa ukufundwa okungazinzanga okanye okungachanekanga.
Ngoko ke, ukuhanjiswa kombane yenye yezinto eziphambili ezichaphazela ukusebenza kwemitha yokuhamba kwe-electromagnetic.
Iimfuneko eziqhelekileyo zokuqhuba umbane kwiiLiquids ezahlukeneyo
Iilwelo ezahlukeneyo zinamanqanaba ahlukeneyo okuqhuba umbane.
Izicelo ezifanelekileyo
Iimitha zokuhamba ze-electromagnetic zisetyenziswa kakhulu kwizinto ezinje ngezi:
Amanzi etephu
* Ngokwesiqhelo ifanelekile ukulinganisa i-electromagnetic.
Amanzi amdaka
* Ukusetyenziswa kakuhle kuba amanzi amdaka adla ngokuba neeminerali kunye nee-ion ezinyibilikisiweyo.
Amanzi enkqubo yemizi-mveliso
* Ifanelekile kwiimeko ezininzi.
Ii-asidi kunye nee-alkali
* Ngokwesiqhelo inokulinganiswa ukuba umbane uyasebenza ngokwaneleyo.
Udaka kunye ne-pulp
* Ifanelekile ngenxa yee-ions ezinyibilikisiweyo kunye namasuntswana axhonyiweyo.
Izicelo ezine-Conductivity ephantsi
Ezinye izinto ezilulwelo zinombane ophantsi kakhulu kwaye zisenokungafaneleki ukulinganisa ukuhamba kombane nge-electromagnetic.
Imizekelo ibandakanya:
Amanzi acocekileyo
Amanzi acwengekileyo kakhulu anomoya ophantsi kakhulu, ngamanye amaxesha angaphantsi komda wokulinganisa weemitha zokuhamba ze-electromagnetic eziqhelekileyo.
Izicelo ziquka:
* Ukwenziwa kwamanzi e-semiconductor
* Amanzi acocekileyo elebhu
* Iinkqubo zamanzi ezingasebenziyo
Kwezi meko, ii-ultrasound flow meter zihlala ziyindlela engcono.
Ulwelo lweHydrocarbon
Izinto ezilulwelo ezifana nezi:
* Ioyile
* Idizili yamafutha
* Ipetroli
* Ioyile yeHydraulic
zine-conductivity ephantsi kakhulu kwaye ngokubanzi azinakulinganiswa ngeemitha zokuhamba kwe-electromagnetic eziqhelekileyo.
Ezinye iindlela zobuchwepheshe zingabandakanya:
* Iimitha zokuhamba kobunzima beCoriolis
* Iimitha zokuhamba kweTurbine
* Iimitha zokuhamba kakuhle zokuhamba
* Iimitha zokuhamba kwe-Ultrasonic (kuxhomekeke kwisicelo)
Ungayijonga njani indlela yokuqhuba ulwelo ngaphambi kokuba ukhethe i-Flow Meter?
Ngaphambi kokukhetha imitha yokuhamba kwe-electromagnetic, kucetyiswa ukuba ujonge:
1. Ulwakhiwo oluPhakathi
Qonda ukuba ingaba olu lwelo luqulethe:
* Iityuwa ezinyibilikisiweyo
* Iiminerali
* Iiasidi okanye iialkali
* Amasuntswana aqhubayo
Izinto eziqulethe ii-ion zihlala zinomoya ophezulu wokuqhuba.
2. Ixabiso lokwenyani lokuqhuba
Ukuqhuba kombane kufuneka kulinganiswe phantsi kweemeko zokusebenza zangempela.
Izinto ezibalulekileyo ziquka:
* Ubushushu bolwelo
* Uxinzelelo lweekhemikhali
* Iimeko zenkqubo
Ukuqhuba kombane kunokutshintsha kakhulu ngobushushu kunye noxinzelelo.
Kwenzeka ntoni ukuba i-Conductivity iphantsi kakhulu?
Xa umbane ungaphantsi komlinganiselo ocetyiswayo, abasebenzisi banokufumana oku kulandelayo:
Isiphumo esingazinzanga
Isantya sokuhamba esibonisiweyo sinokutsiba okanye sitshintshe nokuba ukuhamba kokwenyani kuzinzile.
Impazamo yokuKhanya kweZero
Isiguquli sisenokungafumani isignali eyaneleyo kwaye sinokubonisa ukuhamba kwe-zero.
Ukuchaneka Okubi
Ixabiso elilinganisiweyo linokuba nokuphambuka okukhulu kunokuba bekulindelwe.
Izisombululo zezicelo zokuqhuba okuphantsi
Ukuba ukuhanjiswa kolwelo kufutshane nemfuneko encinci, izisombululo ezininzi zinokuqwalaselwa:
1. Qinisekisa ukuba i-Conductivity yokwenyani iyasebenza
Ngamanye amaxesha ingxaki ibangelwa ziingcinga ezingachanekanga malunga neempawu zolwelo. Ukulinganisa umbane oqhubayo kunokunceda ekuqinisekiseni ukufaneleka kwawo.
2. Khetha iMitha yokuHamba kwe-Electromagnetic efanelekileyo
Ezinye iimitha zokuhamba kwe-electromagnetic eziphambili ziphucule ubuchule bokucubungula isignali kwaye zinokusingatha ngcono usetyenziso oluphantsi lokuhambisa umbane.
3. Khetha iTekhnoloji yokulinganisa eyahlukileyo
Ukuba umbane ohambayo uphantsi kakhulu, cinga ngoku:
* Imitha yokuhamba kwe-ultrasonic eqinisiweyo
* Imitha yokuhamba kwe-ultrasonic ekwi-inline
* Imitha yokuhamba kwamanzi yeCoriolis
Ukhetho luxhomekeke kuhlobo lolwelo, imfuneko yokuchaneka, ubungakanani bombhobho, kunye neemeko zokufakelwa.
Ngaba Ubushushu Buchaphazela Ukuqhuba Kwemoto?
Ewe. Ulawulo lolwelo luyatshintsha ngokweqondo lobushushu.
Ngokubanzi:
* Ubushushu obuphezulu buyandisa ukuhanjiswa kombane.
* Ubushushu obuphantsi buyanciphisa ukuhanjiswa kombane.
Umzekelo, ukuhanjiswa kwamanzi okulinganiswe kwi-20°C kunokwahluka kwixabiso elikwi-60°C.
Ngoko ke, uvavanyo lokuqhuba umbane kufuneka luqwalasele ubushushu bokwenyani bokusebenza kwesicelo.
Umlinganiselo ophantsi wokuqhuba umbane ofunekayo kwiimitha zokuhamba kwe-electromagnetic umalunga ne-5 μS/cm. Ulwelo kufuneka lube nombane owaneleyo wokuqhuba umbane ukuvelisa isignali yevolthi elinganisekayo phakathi kwee-electrodes.
Iimitha zokuhamba kwe-electromagnetic zilungele ulwelo oluqhuba umbane olufana namanzi, amanzi amdaka, iikhemikhali kunye nodaka. Nangona kunjalo, azifanelekanga kulwelo olungenazo izixhobo zokuhambisa umbane olufana neoyile, ipetroli, kunye namanzi acocekileyo kakhulu.
Ngaphambi kokuba ukhethe imitha yokuhamba kombane, soloko uqinisekisa ukuhanjiswa kolwelo, ubushushu, kunye neemeko zenkqubo ukuqinisekisa umlinganiselo othembekileyo nochanekileyo.
Ixesha leposi: Julayi-27-2026