Ewe, imitha yokuhamba kwe-electromagnetic ingafakelwa ngokuthe nkqo. Indlela yokufaka (ethe tye okanye ethe nkqo) ayichaphazeli umgaqo wokulinganisa, lo gama nje ityhubhu yokulinganisa isoloko izaliswe ngokupheleleyo lulwelo oluqhubayo kwaye iimeko zokufakela ziyahlangabezana neemfuno.
Iimitha zokuhamba kwe-electromagnetic zisebenza ngokusekelwe kuMthetho kaFaraday wokungenisa i-electromagnetic. I-sensor ivelisa intsimi yemagnethi ngaphakathi kwityhubhu yokulinganisa, kwaye xa ulwelo oluqhubayo luhamba kule ntsimi yemagnethi, kuvela isignali ye-voltage. Ii-electrode ziyayibona le signali, kwaye i-converter ibala isantya sokuhamba ngokwesantya solwelo.
Ngoko ke, imitha yokuhamba kwe-electromagnetic ayifuni i-engile ethile yokufakela. Ezona zinto zibalulekileyo kukugcina imeko yokuhamba izinzile, ukuqinisekisa ukudibana kakuhle kwe-electrode nolwelo, kunye nokuthintela umoya ukuba ungene kwityhubhu yokulinganisa.
Isikhokelo soFakelo oluQokelelweyo oluQokelelweyo
Kwimibhobho ethe nkqo, kucetyiswa ukuba kufakelwe amanzi anyukayo.
Xa ulwelo luhamba luye phezulu ngemitha yokuhamba kwe-electromagnetic, kukho iingenelo ezininzi:
Okokuqala, umbhobho unokuthi uhlale ugcwele ngokupheleleyo. Ekubeni iimitha zokuhamba kwe-electromagnetic zifuna ukuba umbhobho wokulinganisa uzaliswe lulwelo, ukuhamba okuphezulu kunceda ukuthintela iipokotho zomoya kunye neemeko zemibhobho engenanto.
Okwesibini, ukuhamba kwamanzi phezulu kuphucula uzinzo lokulinganisa xa i-medium inee-particles okanye izinto eziqinileyo ezixhonyiweyo. Isantya sokunyuka kwamanzi sinceda ukugcina ii-particles zihamba nolwelo kwaye kunciphisa amathuba okuqokelelwa kwe-sediment ngaphakathi kwi-sensor.
Okwesithathu, ukuhamba komoya phezulu kuyanceda kwiindlela apho ulwelo lunokuba neebhamuza ezincinci zegesi. Amabhamuza ngokwendalo aya phezulu kunye nokuhamba komoya endaweni yokuhlala ejikeleze ii-electrodes, nto leyo enokunciphisa ukuguquguquka kwesignali.
Ngenxa yezi zizathu, ukufakwa okuthe nkqo phezulu kudla ngokusetyenziswa kwiindawo ezifana nonyango lwamanzi amdaka, amanzi enkqubo yemizi-mveliso, imibhobho yeekhemikhali, kunye nokulinganiswa kodaka.
Ngaba i-Electromagnetic Flow Meter inokufakelwa ngokuthe nkqo kunye ne-Downward Flow?
Ukufakelwa ngokuthe nkqo okune-downflow ezantsi kunokwenzeka, kodwa ngokuqhelekileyo akulona ukhetho olukhethwayo.
Eyona ngxaki kukuba ukuhla kwamanzi kunokubangela ukuba umbhobho uzaliswe kancinci, ingakumbi xa:
* Umbhobho osezantsi uvulekile emoyeni.
* Uxinzelelo lomqolo alwanelanga.
* Isantya sokuhamba kwamanzi sitshintsha kakhulu.
* Indawo yokufaka ifumaneka kufutshane nendawo yokuphuma kwepayipi.
Ukuba ityhubhu yokulinganisa ayizaliswanga ngokupheleleyo, umoya ungangena kwisensor, nto leyo ebangela imiqondiso yokulinganisa engaguqukiyo kunye nokufundwa kokuhamba kwamanzi okungachanekanga.
Umzekelo, ukuba imitha yokuhamba kwe-electromagnetic ifakwe kumbhobho othe nkqo ngaphambi kokuba indawo yokukhupha amanzi ikhululeke, ulwelo lusenokungagcwali ngokupheleleyo kwityhubhu yokulinganisa. Kule meko, imitha yokuhamba kwamanzi inokubonisa amaxabiso atshintshatshintshayo okanye amazinga okuhamba angachanekanga.
Ukuba ukufakwa kwe-downward akunakuphepheka, uyilo lwepayipi kufuneka luqinisekise ukuba i-sensor ihlala izaliswe ngokupheleleyo lulwelo ngexesha lazo zonke iimeko zokusebenza.
Kutheni iPipe epheleleyo ibalulekile ekufakweni ngokuthe nkqo?
Imeko epheleleyo yombhobho yenye yezona mfuno zibalulekileyo zeemitha zokuhamba kwe-electromagnetic.
Ii-electrode ezingaphakathi kwi-sensor zifuna ukudibana ngqo nolwelo oluqhubayo ukuze kulinganiswe i-voltage ebangelwayo ngokuchanekileyo. Ukuba inqanaba lolwelo lehla ngaphantsi kwee-electrode okanye umoya ungena kwityhubhu yokulinganisa, isignali yombane ayizinzi.
Iingxaki eziqhelekileyo ezibangelwa ngumbhobho ongazaliswanga ziquka:
* Ukufundwa kokuhamba kwamanzi okungazinzanga
* Umlinganiselo ongalunganga wokuhamba kwamanzi
* Utshintsho olukhawulezileyo kwisignali yemveliso
* Akukho mqondiso wokuhamba kwamanzi nokuba ulwelo luhamba
Ukuze uphephe ezi ngxaki, kuphephe ukufaka iimitha zokuhamba kwe-electromagnetic:
* Kwindawo ephezulu yombhobho apho umoya unokuqokelelana khona.
* Ngaphambi kwecandelo elisezantsi apho uxinzelelo olubi lunokwenzeka khona.
* Kufuphi nendawo yokukhupha amanzi apho umbhobho usenokungagcwali khona.
Indawo engcono idla ngokuba yindawo ephantsi yombhobho okanye icandelo apho uxinzelelo olwaneleyo olusezantsi lunokugcina umbhobho ugcwele.
Ufakelo oluthe nkqo lwezicelo ezahlukeneyo
Ukusetyenziswa kwamanzi acocekileyo
Ukuze kulinganiswe amanzi acocekileyo, zombini ukufakelwa okuthe tye nokuthe nkqo kunokubonelela ngokusebenza okuthembekileyo. Ukufakelwa okuthe nkqo kudla ngokukhethwa xa uyilo lombhobho lufuna oko okanye xa indawo incinci.
Ukusetyenziswa kwamanzi amdaka kunye nodaka
Kwimithombo yamanzi amdaka, udaka, udaka lwemigodi, kunye nezinye izinto ezimanzi ezinezinto eziqinileyo ezixhonyiweyo, ukufakelwa ngokuthe nkqo phezulu kudla ngokuba luncedo.
Indlela ehamba ngayo amanzi inceda ekunciphiseni amathuba okuba izinto eziqinileyo zihlale ezantsi kwityhubhu yokulinganisa, nto leyo ephucula uzinzo lwexesha elide kwaye inciphise iimfuno zokugcinwa.
Ukusetyenziswa kweeKhemikhali
Kwizinto ezisetyenziswa ngamakhemikhali, ukufakelwa ngokuthe nkqo nako kunokusetyenziswa. Nangona kunjalo, kufuneka kuqwalaselwe ukuhambelana kwezinto, ukugalelwa komhlaba, kunye nokuthintela ukuqokelelwa kwegesi kwipayipi.
Iimfuneko zePipe ezithe Tye zoFakelo oluthe nkqo
Nangona iimitha zokuhamba ze-electromagnetic zingabi buthathaka kakhulu kukuphazamiseka kokuhamba kwamanzi xa kuthelekiswa nezinye iimitha zokuhamba kwamanzi, kusacetyiswa ukuba kufakelwe imibhobho ethe tye ngokufanelekileyo.
Imitha kufuneka ifakwe kude nemithombo enamandla yokuxinana kwamanzi efana nale:
* Iimpompo
* Iivalvu
* Iingqiniba
* Izinciphisi okanye izandisi
Iprofayili yokuhamba kwamanzi ezinzileyo inceda ukuphucula ukuchaneka kokulinganisa kunye nokuphindaphinda.
Ezinye izinto ekufuneka uziqwalasele ngexesha lokufakwa ngokuthe nkqo
Xa ufaka imitha yokuhamba kwe-electromagnetic ngokuthe nkqo, qwalasela la manqaku alandelayo:
1. Jonga indlela okuhamba ngayo
Soloko uyifaka ngokwesikhokelo sokuhamba kombane esiphawulwe kumzimba wesenzi. Isikhokelo sokuhamba kombane esingalunganga sinokuchaphazela useto lokulinganisa kunye nokusebenza.
2. Qinisekisa ukuba isiseko siqinile ngokufanelekileyo
Iimitha zokuhamba kwe-electromagnetic zifuna isiseko esihle kuba isignali yokulinganisa incinci kakhulu. Ukusekwa ngokufanelekileyo kunceda ekunciphiseni ukuphazamiseka kombane kwaye kuphucula uzinzo lwesignali.
3. Kuphephe ukuqokelelana komoya
Faka imitha kwindawo apho umoya ungaqokeleleki lula khona. Ukuba kulindeleke amaqamza omoya kule nkqubo, kudla ngokuba ngcono ukufaka phezulu ngokuthe nkqo.
4. Cinga ngokufikelela kulondolozo
Qinisekisa ukuba kukho indawo eyaneleyo ejikeleze i-sensor kunye ne-converter ukuze kuhlolwe, kufakwe iintambo, kwaye kugcinwe ixesha elizayo.
Imitha yokuhamba kwe-electromagnetic ingafakelwa ngokuthe nkqo, kwaye ukufakwa ngokuthe nkqo kusetyenziswa kakhulu kwiindawo ezininzi zoshishino. Eyona ndlela icetyiswayo yipayipi ethe nkqo enokuhamba kolwelo oluya phezulu, kuba inceda ukugcina imeko yepayipi epheleleyo, inciphisa ukuphazamiseka kwebhamuza yomoya, kwaye iphucula uzinzo lokulinganisa.
Into ephambili ayikuko ukuba ufakelo luthe nkqo okanye luthe tye, kodwa kukuba ingaba imitha yokuhamba kwe-electromagnetic ingasebenza phantsi kweemeko ezizinzileyo ngetyhubhu yokulinganisa egcwele ngokupheleleyo kunye nesiseko esifanelekileyo. Xa ezi mfuno zifezekisiwe, imitha yokuhamba kwe-electromagnetic efakwe ngokuthe nkqo inokubonelela ngomlinganiselo ochanekileyo nothembekileyo wokuhamba.
Ixesha leposi: Julayi-27-2026