Rotameter mudziyo unogona kuyera mafambiro emvura uye gasi.Kazhinji, rotameter ichubhu inogadzirwa nepurasitiki, girazi kana simbi, yakabatanidzwa nekuyangarara, iyo inopindura zvinoenderana nekuyerera kwemvura muchubhu.
Nekuda kwekushandiswa kwemaequation ane hukama, OMEGA™ marabhoritari rotameters anochinja-chinja.Zvakanakira zve rotameters zvinosanganisira: kureba kuyera kureba, kuderera kudonhedza kuderera, kuisirwa nyore uye kugadzirisa, uye mutsara chiyero.
Kune zvakanakira zviri pamusoro, iyo rotameter ndiyo inonyanya kushandiswa inoshanduka nzvimbo inoyerera.Iyo ine tapered chubhu;mvura painopfuura nemuchubhu, inosimudza kuyerera.Iyo yakakura volumetric kuyerera inoisa yakanyanya kudzvanywa pane inoyangarara, nekudaro ichikwidza kumusoro.Mumvura, kumhanya kwemvura inoyerera inosanganiswa nebuoyancy kuti iwedzere kutenderera;kune gasi, buoyancy haina hanya, uye kureba kwekuyangarara kunonyanya kuiswa nekumhanya kwegasi uye mhedzisiro inokonzeresa.
Kazhinji, pombi inoiswa vertically.Kana pasina kuyerera, kuyerera kunomira pasi, asi kana mvura ichiyerera kubva pasi pechubhu, iyo inoyangarara inotanga kusimuka.Zvakanakisa, kureba kunopfuura nekuyangarara kunoenzana nekumhanya kwemvura uye nzvimbo ye annular pakati pekuyangarara nemadziro epombi.Sezvo iyo inoyangarara inokwira, saizi yekuvhura annular inowedzera, izvo zvinoderedza mutsauko wekumanikidza pane inoyangarara.
Kana simba rinokwira kumusoro rinoshandiswa nekuyerera kwemvura kunoenzanisa huremu hwehuremu, hurongwa hunosvika pakuenzanisa, kutenderera kunosvika panzvimbo yakagadziriswa, uye kutenderera kunomiswa nekuyerera kwemvura.Iwe unogona ipapo kuverenga density uye viscosity yeiyo chaiyo fluid yekuyerera mwero.Ehe, saizi uye kuumbwa kweiyo rotameter zvinoenderana nekushandiswa.Kana zvinhu zvose zvakaenzaniswa uye zvakakura zvakanaka, chiyero chekuyerera chinogona kuverengwa zvakananga kubva pachiyero zvichienderana nechinzvimbo chekuyangarara.Mamwe ma rotameters anokubvumira kuti ugadzirise kuyerera kwemaitiro uchishandisa mavharuvhu.Mumagadzirirwo ekutanga, iyo yemahara inoyangarara yakatenderedzwa neshanduko mugasi uye fluid pressure.Nekuti inotenderera, michina iyi inonzi rotameters.
Rotameters inowanzopa data yekuenzanisa uye zviyero zvekuverenga zvakananga kune zvinwiwa zvakajairika (mhepo nemvura).Kusarudza ukuru hwe rotameter inoshandiswa nemamwe mvura inoda kutendeuka kune imwe yeaya mafomati;pazvinwiwa, mvura yakaenzana ndeye gpm;kumagasi, kuyerera kwemhepo kwakaenzana neyakajairwa cubic tsoka paminiti (scfm).Vagadziri vanowanzopa matafura ekuyeresa eaya akajairwa kuyerera kukosha uye voashandisa pamwe chete nemitemo yemasiraidhi, nomograms, kana komputa software inoshandiswa kuona saizi yerotameter.
Iyo yakakosha rotameter igirazi chubhu chiratidzo chemhando.Iyo chubhu inogadzirwa negirazi re borosilicate, uye iyo inoyangarara inogona kugadzirwa nesimbi (kazhinji inodzivirira corrosion-resistain simbi), girazi kana plastiki.Mabhuya anowanzo ane mipendero yakapinza kana kuyerwa, iyo inonongedzera kune chaiyo kuverenga pachikero.Rotameters inoshongedzerwa nemagumo ekupedzisira kana majoini zvichienderana nekushandisa.Pasinei nerudzi rweimba kana materminal fittings, yakafanana girazi chubhu uye Stainless simbi inoyangarara musanganiswa inogona kushandiswa.Sezvo iyo chubhu inoyangarara musangano ichinyatso kuita kuyerwa, ichi ndicho chinonyanya kukosha chikamu chekumisikidza.
Zviyero zvinogona kuiswa kuti zvipe zvakananga kuverenga kwemhepo kana mvura-kana kuti zvinogona kuratidza chiyero chakaenzana, kana kuyerera mumhepo / mvura zvikamu, kuti zvishandurwe kuyerera kwemvura yakakosha kuburikidza netafura yekutarisa.
Chiyero che rotameter chikero chinogona kuenzaniswa netafura yekubatanidza magasi akadai senitrogen, okisijeni, haidrojeni, helium, argon uye kabhoni dhayokisaidhi.Izvi zvicharatidza kuve zvakanyatsorurama, kunyangwe zvisingaite kuverenga zvakananga kubva pachikero.Chikero chinongogadzirirwa mvura patembiricha chaiyo uye kudzvanywa, semhepo kana mvura.Mushure mekunge shanduko yapera, iyo inoyerera yakakodzera inogona kukupa iwe kuyerera kwemhando dzemvura dzakasiyana pasi pemamiriro akasiyana.Kushandisa kuyerera kwakawanda kunogona kuyera mazinga akasiyana ekuyerera panguva imwe chete.Kazhinji, kuisa girazi chubhu rotameter pakureba kwemutsara wekuona kunogona kuita kuti kuverenga kuve nyore.
Muindasitiri, iyo yekuchengetedza nhovo gasi flowmeter ndiyo chiyero chekuyera mvura kana kuyerera kwemhepo pasi pemamiriro akajairwa.Vanogona kuyera kuyerera kwemitengo kusvika ku60 GPM.Zvichienderana nemakemikari emvura yekuyera, plastiki kana simbi yekupedzisira caps inogona kushandiswa.
Kune mimwe mienzaniso yemvura umo machubhu egirazi asingagoni kushandiswa.Mvura iri pamusoro pe90°C (194°F), yakakwirira pH inopfavisa girazi;mhepo yakanyorova ine mhedzisiro yakafanana.Caustic soda inoparadza girazi;uye hydrofluoric acid etched girazi: Kune aya maapplication, mapaipi akasiyana anofanirwa kutsvagwa.
Girazi metering machubhu ane kumanikidzwa uye tembiricha kugumira, izvo zvinowanzova zvinhu zvinotadzisa kuita kwegirazi chubhu rotameters.Diki 6 mm (1/4 inch) machubhu anogona kushanda pakumanikidzwa kusvika ku500 psig.Iyo yakakura 51 mm (2 inch) pombi inogona kushanda chete pakumanikidza kwe100 psig.Glass rotameters haichashandi patembiricha yakatenderedza 204°C (400°F), asi sezvo tembiricha nekumanikidzana kunowanzokwirana, izvi zvinoreva kuti ma rotameter anogona kunge asingashandiswe pa tembiricha yakaderera.Kupisa kwepamusoro kunoderedza huwandu hwekushanda kwebhobho yegirazi.
Muchiitiko chekuyera magasi akawanda kana nzizi dzemvura panguva imwe chete kana kusanganiswa pamwe chete mune zvakawanda, girasi tube rotameters inogona kushandiswa;iwo akakodzerawo iyo kesi iyo imwe mvura inoyerera ichibuda kuburikidza akati wandei akasiyana chiteshi, mune iyi kesi, Multi-tube kuyerera mita inobvumidza iwe kuisa matanhatu rotameter mune imwechete rack mudziyo.
Machubhu esimbi anowanzo gadzirwa nealuminium, ndarira kana simbi isina tsvina uye anogona kushandiswa kune yakakwirira tembiricha uye kumanikidza.Sezvo zvisiri pachena, vateveri vemakanika kana magineti vari kunze kwechubhu vanogona kushandiswa kuona nzvimbo inoyangarara.Pano, kusanganiswa kwechitubu uye piston kunogadzirisa kuyerera kwehuwandu.Sarudza magumo ekuisa uye zvimwe zvinhu zvinoenderana nekushandisa kuti udzivise ngura kana kukuvara.Kazhinji, inogona kushandiswa kukanganisa machubhu egirazi mumamiriro ezvinhu apo nyundo yemvura yakangoerekana yanyanya kukosha, kana mumamiriro ezvinhu apo tembiricha yepamusoro kana kudzvanywa (zvakadai semhepo ine chekuita nemhepo kana kudzvanywa) ichakuvadza girazi rotameter Iyo inopisa mvura.
Mienzaniso yeakanaka simbi chubhu rotameter zvinwiwa zvinosanganisira yakasimba alkali, inopisa alkali, fluorine, hydrofluoric acid, mvura inopisa, chiutsi, slurry, asidhi gasi, zvinowedzerwa uye simbi yakanyungudutswa.Vanogona kushanda pazvinomanikidza kusvika 750 psig uye tembiricha inosvika 540 ° C (1,000 ° F), uye vanogona kuyera kuyerera kwemvura kusvika 4,000 gpm kana mhepo inosvika 1,300 scfm.
Iyo simbi chubhu rotameter inogona kushandiswa seyekuyerera transmitter ine analogi kana dhijitari control.Ivo vanogona kuona nzvimbo inoyangarara kuburikidza nemagineti coupling.Zvadaro, izvi zvinofambisa chinongedzo mune magineti spiral kuratidza nzvimbo inoyangarara kunze.Matransmitters anowanzo shandisa microprocessors kupa alarm uye pulse kubuda kuyera uye kufambisa kuyerera kwemvura.
Heavy-duty/industrial pressure sensors ine elastic coatings uye inogona kushanda pasi pezvinorema maindasitiri mamiriro.Kazhinji shandisa iyo inowedzerwa 4-20 mA transmitter: ine yakanyanya kuramba kune ruzha rwemagetsi, inogona kunge iri dambudziko munzvimbo dzinorema maindasitiri.
Sezvambotaurwa, kune akawanda mikana yekusarudza zvinhu uye magadzirirwo ekuyangarara, mafirita, O-mhete uye ekupedzisira fittings.Machubhu egirazi ndiwo akanyanya kuwanda, asi machubhu esimbi anogona kushandiswa mumamiriro ezvinhu apo girazi rinotsemuka.
Pamusoro pegirazi, plastiki, simbi kana simbi isina tsvina, iyo inoyangarara inogona zvakare kugadzirwa nekabhoni simbi, safiro uye tantalum.Iyo inoyangarara ine mupendero wakapinza panzvimbo iyo kuverenga kunofanirwa kucherechedzwa nechubhu chiyero.
Rotameters inogona kushandiswa muvacuum.Ivhavha yakaiswa panzvimbo yekubuda kwemamita inogona kubvumira izvi kuti zviitike.Kana iyo inotarisirwa kuyerera yakakura, kaviri bhora rotor flowmeter inogona kushandiswa.Kazhinji pane bhora dema rekuyera kuyerera kudiki, uye hombe jena bhora kuyera kuyerera kwakakura.Verenga bhora dema kusvika rapfuura chikero, wobva washandisa bhora jena kuverenga.Mienzaniso yezvikamu zvekuyera inosanganisira mabhora matema ane spidhi ye235-2,350 ml/min, uye mabhora machena ane huwandu hwe5,000 ml/min.
Kushandiswa kwepurasitiki chubhu inotenderera inogona kutsiva mvura inopisa, chiutsi uye zvinwiwa zvinoparadza pamutengo wakaderera.Inogona kugadzirwa nePFA, polysulfone kana polyamide.Kuti udzivise kuora, zvikamu zvakanyoroveswa zvinogona kugadzirwa nesimbi isina tsvina ine FKM kana Kalrez® O-rings, PVDF kana PFA, PTFE, PCTFE.
Muchikamu che4: 1, rotameter yerabhoritari inogona kuenzaniswa kusvika pa 0.50% AR.Kurongeka kwemaindasitiri rotameters kwakashata zvishoma;kazhinji FS muhuwandu hwe10: 1 ndeye 1-2%.Zvekuchenesa uye bypass application, iko kukanganisa kunenge 5%.
Iwe unogona kuseta nemaoko chiyero chekuyerera, gadzirisa kuvhurika kwevhavha, uye tarisa chiyero panguva imwe chete kuti uenzanise chiyero chekuyerera;paunenge uchienzanisa imwe nzira pasi pemamiriro akafanana ekushanda, rotameter inogona kupa zviyero zvinodzokororwa, uye mugumisiro wekuyera uri mukati me 0.25% yehuwandu hwekuyerera.
Kunyange zvazvo viscosity inoenderana nekugadzirwa, kana rotor viscosity ichichinja zvishoma, rotameter kazhinji haishanduki zvakanyanya: iyo rotameter shoma inoshandisa chiyero che spherical ndiyo inonyanya kuoma, nepo rotameter yakakura haina hanya.Kana iyo rotameter inopfuura muganhu wayo we viscosity, kuverenga kwe viscosity kunoda kugadziriswa;kazhinji, muganho we viscosity unotarwa nezvinhu uye chimiro chekuyangarara, uye muganhu uchapihwa nemugadziri we rotameter.
Rotameters zvinoenderana nekuwanda kwemvura.Kana zviri nyore kuchinja, unogona kushandisa maviri anoyangarara, imwe zvinoenderana nehuwandu uye imwe inoshandiswa kugadzirisa density.Kazhinji, kana kuwanda kweiyo inoyangarara ichienderana nekuwanda kwemvura, density inoshanduka nekuda kwebuoyancy ichave yakakosha, zvichikonzera shanduko dzakawanda munzvimbo yekuyangarara.Misa inoyerera inotenderera ndiyo inonyanya kukodzera kune yakaderera viscosity zvinwiwa senge shuga mbishi muto, peturu, jet fuel uye light hydrocarbons.
Kugadziriswa kwepombi yekumusoro haifaniri kukanganisa kuyerera kwemvura;usaisa flowmeter mushure mekunge gokora yapinzwa mupombi.Imwe mukana ndeye-nokuti mvura inogara ichipfuura nemu rotameter, inofanira kuchengetwa yakachena uye isina tsvina;zvisinei, mvura yakachena inofanira kushandiswa nokuda kwechinangwa ichi, pasina mukana wezvikamu kana kuvhara pombi rusvingo, izvo zvichaita kuti rotameter Ive isina kururama uye inopedzisira isingashandisi.
Ruzivo urwu rwakawanikwa, rwakaongororwa uye rwakagadziriswa kubva kune zvakapihwa neOMEGA Engineering Ltd.
OMEGA Engineering Ltd. (Nyamavhuvhu 29, 2018).Nhanganyaya yekuyera rotameter.AZoM.Yakadzorerwa kubva https://www.azom.com/article.aspx?ArticleID=15410 musi waZvita 6, 2020.
OMEGA Engineering Ltd. "Sumo yeKuyerera Kwekuyerera kweRotameter".AZoM.Zvita 6, 2020. .
OMEGA Engineering Ltd. "Sumo yeKuyerera Kwekuyerera kweRotameter".AZoM.https://www.azom.com/article.aspx?ArticleID=15410.(Yakasvika musi waZvita 6, 2020).
OMEGA Engineering Ltd., 2018. Nhanganyaya yekuyera rotameter.AZoM, yakatariswa muna Zvita 6, 2020, https://www.azom.com/article.aspx?ChinyorwaID = 15410.
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