Yintoni iVortex Flow Meter?
A imitha yokuhamba kwevortexSisixhobo esifakwe kwinkqubo yokucubungula ukuhamba kwamanzi ukuze sibone ii-vortices eziveliswa njengoko ulwelo ludlula emzimbeni oluhlaza. Sisetyenziswa kakhulu ekucubunguleni igesi, ulwelo kunye nomphunga ukuze kulinganiswe ukuhamba kwamanzi ukuphucula ukusebenza kakuhle kwemveliso kunye nokwabiwa kwawo.
Umgaqo-nkqubo wokusebenza weVortex Flow Meter
Iivortices zikhutshwa ngokulandelelana ukusuka kwicala ngalinye lomzimba oluhlaza xa ulwelo ludlula kwinto engacwangciswanga. Utshintsho loxinzelelo oluveliswayo kwinkqubo luhambelana ngqo nesantya sokuhamba. Ukuphindaphinda kokuchitheka kwevortices kuyafunyanwa ukuze kubalwe isantya sokuhamba. Emva koko i-frequency iya kuguqulelwa kwisignali ebonelela ngomlinganiselo ochanekileyo wokuhamba kwevolumetric okanye ubunzima bezinto ezimanzi, iigesi kunye nomphunga.
Uyilo lweZakhiwo zeeVortex Flow Meters
316 Intsimbi engagqwaliyo okanye iHastelloy zizinto eziphambili ezenziwe ngesixhobo sokulinganisa ukuhamba kombane esiqhelekileyo, kuquka umzimba oluhlaza okwesibhakabhaka, isenzi se-vortex esidibeneyo kunye ne-transmitter electronics.imitha yokuhamba kwamanzi emvulaifumaneka ngobukhulu beflange ukusuka kwi-½ intshi ukuya kwi-12 intshi. Ngaphezu koko, iindleko zokufakelaimitha yokuchitha i-vortexikhuphisana kuneemitha ze-orifice ngobukhulu obungaphantsi kweesentimitha ezintandathu.
Ubukhulu kunye nemilo yomzimba yebluff efana nesikwere kunye nerectangular ziye zadlula kuvavanyo ukuze zifikelele kwiziphumo ezifunwayo. Iziphumo zovavanyo zibonisa ukuba ulungelelwano kunye novakalelo kwiprofayili yesantya zahlukile kancinci kwimilo yomzimba yebluff. Umzimba webluff kufuneka ube nenxalenye enkulu ngokwaneleyo yobubanzi bombhobho. Emva koko yonke iflow ithatha inxaxheba ekuchitheni. Nangona isantya sokuhamba kwamanzi siphezulu, imiphetho eveleleyo ebusweni obuphezulu yimizobo ekhethekileyo ebalulekileyo yokwabela imigca yokwahlulwa kokuhamba kwamanzi.
Okwangoku, uninzi lweemitha ze-vortex ludibanisa ii-sensors ze-piezoelectric okanye ze-capacitance ukuze zilinganise i-oscillation yoxinzelelo kufutshane nomzimba we-bluff. Ezi sensors zikhupha isignali ye-voltage ephantsi njengempendulo kwi-oscillation yoxinzelelo. Ezi signals zinomlinganiselo ofanayo ne-oscillation. Ezo sensors ze-modular nezingabizi kakhulu zinokutshintshwa ngokulula kwaye zilungelelaniswe kumanqanaba obushushu ahlukeneyo ukusuka kwi-cryogenic liquids ukuya kumphunga oshushu kakhulu.
Kutheni Ufanele Ukhethe iiVortex Flow Meters?
Akukho zixhobo zishukumayo ziqinisekisa ukuqina, ukugcinwa okuphantsi kunye nokuthembeka kwexesha elide kwinkqubo yokucubungula. Ezi mitha zokuhamba kwamanzi zikwabalasele ekulinganiseni uluhlu oluhlukeneyo lolwelo ngokuchanekileyo, nokuba kubushushu obubanzi kunye noxinzelelo. Ngenxa yokusebenza okuninzi kunye nokusebenza okugqwesileyo ngokuchanekileyo kunye nokulinganisa okuphindaphindiweyo, zizisombululo ezifanelekileyo kumashishini axabisa ukuchaneka. Ukuncitshiswa kweendleko zokusebenza kunye nokufakwa okulula zezinye izizathu ezibini njengesisombululo esifanelekileyo.
Ukuchaneka kunye nokuguquguquka
Ubungakanani bemitha yokuhamba kwe-vortex buyancipha njengoko i-viscosity inyuka xa iwa kwinombolo kaReynolds xa i-viscosity inyuka. Ubungakanani be-viscosity ephezulu buphakathi kwe-8 ~ 30 centipoises. Ukuba imitha ye-vortex ilinganiswe ngokufanelekileyo kwisicelo, umntu unokulindela ubungakanani obungcono kune-20:1 yegesi nomphunga, kunye ne-10:1 kwiincindi eziphantsi kwe-viscosity.
Ukungachaneki kweemitha zokuhamba kwe-vortex kuyahluka ngokweenombolo zikaReynolds. Ukungachaneki okunjalo kweemitha zokuhamba kwe-vortex ezininzi kuphakathi kwe-0.5% kunye ne-1% ngelixa kunyuka ukuya kwi-10% xa uReynolds engaphantsi kwe-10,000. Imitha ye-vortex inenqaku lokunqunyulwa kwezibonakaliso zokuhamba kwe-zero kufutshane ne-zero. Iziphumo zemitha zibotshelelwa kwi-zero xa uReynolds ekwi-10,000 okanye ngaphantsi kwayo. Akukho ngxaki ukuba ukuhamba okuncinci okulindele ukulinganiswa kuphindwe kabini kwinqanaba lokunqunyulwa. Amanqanaba okuhamba aphantsi awakwazanga ukulinganiswa ngokuchanekileyo kwinkqubo yokuqalisa, ukuvala kunye nezinye iimeko zokungahambelani ukuze zifikeleleke.
Khulisa ukusebenza kakuhle kwaye unciphise iindleko
Abaqhubi bayakwazi ukulungisa nokuphucula ukuhamba kolwelo, iigesi okanye umphunga othunyelwa kwinkqubo yokucubungula ngokuxhomekeke ekulinganisweni okuchanekileyo kokuhamba. Ukuze ukusebenza kakuhle kokwabiwa kuphuculwe ngelixa ukusetyenziswa kwamandla kuncitshiswa. Lilonke, ukudibanisa ezi mitha zokuhamba kwiinkqubo ze-automation kunceda ekuphuculeni okuqhubekayo ekusebenzeni, ukunciphisa ixesha lokungasebenzi kunye nokuphucula imveliso iyonke.
Imida yeVortex Flowmeter
Iimitha zeVortex azilungele ukusetyenziswa kwiibhetshi okanye iinkqubo zokuhamba kwamanzi ezingaqhelekanga ngenxa yemida yazo yokusebenza kwizinga lokuhamba kwamanzi eliphantsi. Ngokukodwa, izinga lokuhamba kwamanzi kwiindawo zokudibanisa amanzi linokuwa ngaphantsi komda omncinci weReynolds wemitha yeVortex, nto leyo ekhokelela ekungachanekini. Njengoko ubungakanani bebhetshi iyonke buncipha, amathuba okuba iimpazamo zokulinganisa ayanda, nto leyo eyenza ukuba imitha ingathembeki kangako kwezi zicelo. Kubalulekile ukukhetha imitha yokuhamba kwamanzi enokusingatha iprofayili ethile yokuhamba kwamanzi efunekayo kwimisebenzi enjalo ukuze kuthintelwe iimpazamo ezibalulekileyo.
Iqela lethu leengcali likulungele ukubonelela ngezisombululo ezenzelwe wena ezihlangabezana neemfuno ezithile zoshishino lwakho, nokuba yioyile negesi, ukucubungula iikhemikhali, okanye iinkqubo ze-HVAC. Ngokuzibophelela kumgangatho nokusebenza, sinikezela ngenkxaso epheleleyo ukuqinisekisa ukuba ukhetha imitha yokuhamba kwevortex efanelekileyo kwisicelo sakho. Nxibelelana nathi namhlanje ukuze ufumane ingcebiso eyenzelwe wena kwaye ubone indlela iimitha zethu zokuhamba ezinokuguqula ngayo ulawulo lwakho lwenkqubo kunye nokusebenza kakuhle.
Ixesha leposi: Oktobha-16-2024
