Ukukhethwa kwesicelo se-electromagnetic flowmeter kwishishini lemveliso yokutya
2022-07-26
Ii-electromagnetic flowmeters zisetyenziswa ngokubanzi kwiiflowmeters zeshishini lokutya, ezisetyenziswa ikakhulu ukulinganisa umthamo wokuhamba kolwelo oluqhubayo kunye ne-slurries kwimibhobho evaliweyo, kubandakanywa ulwelo oludlekayo olufana neeasidi, iialkali, kunye neetyuwa.
Ukusebenza kwe-Flowmeter yezicelo zeshishini lokutya kufuneka kube nezi mpawu zilandelayo:
1. Umlinganiselo awuchatshazelwa lutshintsho kwi-fluid density, viscosity, iqondo lokushisa, uxinzelelo kunye ne-conductivity, 2. Akukho ndawo ezithintelweyo zokuhamba kwi-tube yokulinganisa
3. Akukho lahleko yoxinzelelo, iimfuno eziphantsi kumacandelo ombhobho othe ngqo,
4. Umguquli wamkela indlela yokuvuselela inoveli, kunye nokusetyenziswa kwamandla aphantsi kunye nokuzinza okuphezulu kwe-zero.
5. Uluhlu lokuhamba kokulinganisa lukhulu, kwaye i-flowmeter yinkqubo yokulinganisa i-bidirectional, kunye netotali yangaphambili, i-reverse total kunye ne-different total, kwaye kufuneka ibe neziphumo ezininzi.
Xa ukhetha i-electromagnetic flowmeter, qinisekisa kuqala ukuba umlinganiselo wokulinganisa uyaqhuba. Umyinge wokuhamba komlinganiselo ophakathi kwii-flowmeters ze-electromagnetic eziqhelekileyo kukhethwa ukuba yi-2 ukuya kwi-4m/s. Kwiimeko ezikhethekileyo, izinga lokuhamba eliphantsi akufanele libe ngaphantsi kwe-0.2m/s. Iqukethe iinqununu eziqinileyo, kwaye izinga lokuhamba okuqhelekileyo kufuneka libe ngaphantsi kwe-3m / s ukukhusela ukungqubuzana okukhulu phakathi kwe-lining kunye ne-electrode. Kwi-viscous fluids, isantya esikhulu sokuhamba kunceda ukuphelisa ngokuzenzekelayo umphumo wezinto ezibonakalayo ezifakwe kwi-electrode, enenzuzo ekuphuculeni ukuchaneka kokulinganisa. Chitha. Ngokuqhelekileyo, i-diameter yegama lombhobho wenkqubo ikhethiwe. Ngokuqinisekileyo, uluhlu lokuhamba kwamanzi kumbhobho kufuneka luqwalaselwe ngexesha elifanayo. Xa izinga lokuhamba lincinci okanye likhulu kakhulu, i-diameter ye-flowmeter kufuneka ikhethwe ngokubhekiselele kuluhlu lokuhamba phantsi kwesiseko sokuqinisekisa ukuchaneka komlinganiselo. Wamkelekile ukuba uqhagamshelane neengcali zethu ngenkxaso yokhetho eneenkcukacha.
