Kupatsanurwa kwemidziyo yekuyerera kunogona kukamurwa kuita: volumetric flowmeter, velocity flowmeter, target flowmeter, electromagnetic flowmeter, vortex flowmeter, rotameter, kusiyanisa kumanikidza flowmeter, ultrasonic flowmeter, Mass kuyerera mita, nezvimwe.
1. Rotameter
Inoyerera flowmeter, inozivikanwawo seti rotameter, iri mhando yenzvimbo inoshanduka flowmeter. Mune yakatwasuka koni chubhu inowedzera kubva pasi kusvika kumusoro, kukomba kweiyo ichiyangarara yedenderedzwa muchinjikwa chikamu chinotakurwa neiyo hydrodynamic simba, uye iyo ichiyangarara inogona kuve iri Iyo koni inogona kusimuka nekudonha zvakasununguka. Iyo inokwira kumusoro uye pasi pasi pechiito chekuyerera velocity uye buoyancy, uye mushure mekuyera pamwe nehuremu hweiyo ichiyangarara, inopfuudzwa kune iyo dial kuratidza chiyero chekuyerera kuburikidza nemagineti yekubatanidza. Kazhinji yakakamurwa kuita girazi nesimbi rotameter. Metal rotor flowmeters ndiyo inonyanya kushandiswa muindasitiri. Zvekuparadza midhiya ine diki pombi madhaimendi, girazi rinowanzo shandiswa. Nekuda kwekushomeka kwegirazi, iyo kiyi yekudzora poindi zvakare rotor flowmeter yakagadzirwa nesimbi dzakakosha senge titanium. . Kune akawanda epamhepo rotor flowmeter vagadziri, kunyanya Chengde Kroni (achishandisa chiGerman Cologne tekinoroji), Kaifeng Instrument Fekitori, Chongqing Chuanyi, uye Changzhou Chengfeng zvese zvinogadzira macolameter. Nekuda kwekukwirisa kwepamusoro uye kudzokorora kwema rotameter, Inoshandiswa zvakanyanya mukuonekwa kwekuyerera kwemadhayamita madiki epombi (≤ 200MM).
2. Yakanaka yekumhanyisa kuyerera mita
Iyo yakanaka yekushambadzira inoyerera inoyerera vhoriyamu kuyerera kwemvura nekuyera metering vhoriyamu yakaumbwa pakati peimba neiyo rotor. Zvinoenderana neicho chimiro cheiyo rotor, yakanaka yekumisikidza kuyerera kwemamita anosanganisira chiuno vhiri mhando, yakatsetseka mhando, elliptical giya mhando zvichingodaro. Yakanaka yekumhanyisa kuyerera mamamita inoratidzirwa nekukwirira kuyerwa, vamwe kusvika 0.2%; yakapusa uye yakavimbika chimiro; kushandiswa kukuru; tembiricha yakakwira uye yakasimba kumanikidza; yakadzika yekuisa mamiriro. Inoshandiswa zvakanyanya mukuyerwa kwemafuta asina kuchena uye nezvimwe zvigadzirwa zvemafuta. Nekudaro, nekuda kweiyo giya dhiraivha, iyo yakawanda yepombi ndiyo njodzi huru yakavanzwa. Izvo zvinodikanwa kuti uise firita pamberi pemidziyo, iyo ine hupenyu hwakaganhurirwa uye inowanzoda kugadziriswa. Iwo makuru epamba ekugadzira zvikamu ndeaya: Kaifeng Instrument Fekitori, Anhui Chishandiso Fekitori, nezvimwe.
3. Kusiyanisa kumanikidza kuyerera mita
Musiyano wekumanikidza flowmeter mudziyo wekuyera une nhoroondo refu yekushandisa uye data rakazara rekuyedza. Iyo mita yekuyerera inoyera iyo inomira yekumanikidza misiyano inogadzirwa neiyo fluid inoyerera kuburikidza neyakagwinha mudziyo kuratidza kuyerera kwekuyerera. Iyo yakasarudzika yekumisikidza inoumbwa neyakagwinha chishandiso, kusiyanisa kumanikidza chiratidzo pombi uye kusiyanisa kumanikidza geji. Chishandiso chinonyanya kushandiswa mukushambadzira muindasitiri "ndicho chijairira chakakwenenzverwa" icho chakamisikidzwa. Semuenzaniso, standard orifice, kamwene, venturi kamwene, venturi chubhu. Iye zvino chigumbuso chiya, kunyanya chipenga chekuyerera, chiri kufamba chakanangana, uye iyo yepamusoro-chaiyo musiyano wekumanikidza wekutepfenyurisa uye muripo wekupisa wakabatanidzwa nemubhedha, uyo unovandudza kwazvo kunyatso. Pitot tube tekinoroji inogona kushandiswa kudzikamisa chishandiso chiri online. Mazuva ano, zvimwe zvisiri zvakajairika zvekugumburisa zvishandiso zvinoshandiswawo mukuyera kwemaindasitiri, senge maipeti maviri orifice, akatenderera maoriti, mahwendefa e annular orifice, nezvimwe. Iyi mita inowanzo kuda chaiyo-kuyerera calibration. Maumbirwo eiyo akajairika ekugunun'una mudziyo ari nyore, asi nekuda kweayo akakwirisa anodikanwa ekumirira kushivirira, chimiro uye kushivirira chinzvimbo, iyo tekinoroji yekugadzirisa iri yakaoma. Kutora yakajairwa orifice ndiro semuenzaniso, iyo yakasarudzika-yakatetepa-yakaita-chikamu chikamu, icho chinowanzo tenderera kune deformation panguva yekugadzirisa, uye hombe orifice mahwendefa zvakare anowanzoita deformation panguva yekushandisa, iyo inokanganisa kunyatso. Iyo yekumanikidza gomba redhiraini dhizaini kazhinji haina kunyanya kukura, uye ichaita deform panguva yekushandisa, zvinova zvinokanganisa kuyerwa kwakaringana. Iyo yakajairwa orifice ndiro inozosakisa iyo yehunhu zvinhu zvine chekuita nekuyera (senge chakakomba angles) nekuda kwekukweshera kwemvura inopesana nayo panguva yekushandisa, izvo zvinoderedza kuyerwa kweyekuyera.
Kunyangwe iko kukura kwekusiyanisa kumanikidza kuyerera kwemamita kuri kwekutanga, iine kuvandudzika kunatsiridzwa uye kusimudzira kweimwe nzira dzekuyerera metres, uye nekuenderera mberi kuvandudzwa kwekuyerera kuyerwa zvinodiwa kune yekuvandudza kwemaindasitiri, chinzvimbo chekusiyanisa kumanikidza kuyerera kwemamita mune yekuyera kwemaindasitiri kwave zvishoma Iyo inotsiviwa neyemberi, yepamusoro-chaiyo uye yakapusa kuyerera mamita.
4. Electromagnetic flowmeter
Electromagnetic flowmeter inogadzirwa zvichibva pane Faraday electromagnetic induction musimboti kuyera kuyerera kweruzha rwekuitisa mvura. Zvinoenderana nemutemo waFaraday wemagetsi emagetsi induction, kana conductor ichicheka iyo magnetic field mutsetse mune magnetic field, iyo inokonzerwa nemagetsi inogadzirwa mune conductor. Kukura kwesimba remagetsi kunoenderana neyaiitisa. Mundima yemagineti, kumhanya kwekufamba kwakanangana nemagineti kwakaenzana, uyezve zvichienderana nehupamhi hwepombi uye mutsauko wepakati, inoshandurwa kuita kuyerera.
Electromagnetic flowmeter uye nesarudzo misimboti: 1) Mvura inoyerwa inofanirwa kunge ichiitisa mvura kana slurry; 2) Iyo caliber uye renji, kunyanya yakajairwa renji inopfuura hafu yeiyo yakazara renji, uye kuyerera chiyero kuri pakati pe 2-4 mita; 3). Iko kumanikidza kwekushandisa kunofanirwa kuve kushoma pane kumanikidza kumanikidza kweye flowmeter; 4). Zvinhu zvakasiyana-siyana zvekuisa uye zvigadzirwa zvemagetsi zvinofanirwa kushandiswa pamatembiricha akasiyana uye midhiya inoparadza.
Kuyerwa kwekuyera kwemagetsi ekuyerera kwemagetsi kunoenderana nemamiriro ezvinhu apo mvura izere nepombi, uye dambudziko rekuyera remhepo mupombi harisati ranyatsogadziriswa.
Izvo zvakanakira remagetsi emagetsi flowmeters: Iko hakuna chinogumbusa chikamu, saka iyo yekumanikidza kurasikirwa iri diki, uye simba rekushandisa rinoderedzwa. Izvo zvinongoenderana neavhareji velocity yemvura yakayerwa, uye chiyero chepakati chakafara; imwe midhiya inogona kuyerwa chete mushure mekuyerwa kwemvura, pasina kururamisa, iyo Inonyanya kukodzera kushandiswa sechiyero chekumisa kugadzirisa. Nekuda kwekuenderera kuri kuvandudzwa kwetekinoroji uye maitiro ekugadzirisa, kuenderera mberi kwekuvandudza kugadzikana, kuenderana, kurongeka uye hupenyu, uye kuwedzera kuri kuwedzera kweanopamha dhayamita, kuyerwa kwe solid-fluid maviri-chikamu nhepfenyuro inotora kutsiva ma electrode uye anotsvedza ma electrode kugadzirisa iyo dambudziko. Kumanikidza kwakanyanya (32MPA), kurwisa ngura (anti-acid uye alkali lining) epakati kuyerwa matambudziko, pamwe nekuenderera kuri kuwedzera kweiyo caliber (inosvika 3200MM caliber), kuwedzera kuri kuwedzera kwehupenyu (kazhinji kwakakura kupfuura makore gumi), magetsi-magetsi flowmeters ari kuramba achiwedzera Uye anoshandiswa zvakanyanya, mutengo wayo wakadzikiswa, asi mutengo wese, kunyanya mutengo wemapaipi makuru epombi, uchiri wakakwirira, saka une chinzvimbo chakakosha mukutenga kwemameter ekuyerera.
5. Ultrasonic inoyerera
Ultrasonic flowmeter iri mhando nyowani yekuyerera kuyera chiridzwa chakagadzirwa munguva dzazvino. Chero bedzi iyo fluid iyo inogona kuendesa ruzha inogona kuyerwa neiyo ultrasonic flowmeter; ultrasonic flowmeter inogona kuyera kuyerera kweiyo yakakwira-viscosity mvura, isiri-inoitisa mvura kana gasi, uye kuyerwa kwayo Nheyo yekuyerera mwero ndeiyi: iyo yekumhanyisa kumhanyisa kwema ultrasonic mafungu mune inoyerera inozosiyana pamwe nekuyerera kwehuwandu hwemvura iri kuyerwa. Parizvino, yakakwira-yakanyatsojeka ultrasonic flowmeters achiri nyika yezvinhu zvekunze, senge Fuji yekuJapan, United States 'Kanglechuang; epamba vagadziri ve ultrasonic flowmeters anonyanya kusanganisira: Tangshan Meilun, Dalian Xianchao, Wuhan Tailong zvichingodaro.
Ultrasonic flowmeters kazhinji haishandiswe sekugadzirisa metering zviridzwa, uye chigadzirwa hachigone kumiswa kuti chigadziriswe kana pa-saiti metering poindi yakanganisika, uye inowanzo shandiswa mumamiriro ezvinhu apo kuyedza parameter kunodiwa kutungamira kugadzirwa. Kubatsira kukuru kweiyo ultrasonic flowmeters ndeyekuti iwo anoshandiswa kune yakakura-caliber kuyerera kuyerwa (mapaipi dhayamita akakurisa kupfuura 2 metres). Kunyangwe kana mamwe ma metering poindi akashandiswa kugadzirisa, iko kushandiswa kwepamusoro-chaiyo ultrasonic flowmeters kunogona kuchengetedza mutengo uye kudzora kugadzirisa.
6. Misa inoyerera mita
Mushure memakore ekutsvaga, iyo U-yakaumbwa chubhu mass flowmeter yakatanga kuunzwa nekambani yeAmerican MICRO-MOTION muna 1977. Pakangobuda iyi flowmeter, yakaratidza simba rayo rakasimba. Kubatsira kwayo ndekwekuti chiratidzo chekuyerera chinokwanisa kuwanikwa chaiko, uye hachikanganisike neicho chimiro cheParamende, kunyatso kuita ± 0.4% yeiyo yakayerwa kukosha, uye vamwe vanogona kusvika 0.2%. Inogona kuyera akasiyana magasi, zvinwiwa uye slurries. Inonyanya kukodzera kuyera liquefied petroleum gasi uye yakanyoroveswa gasi chaiyo ine mhando yekutengesa midhiya, yakawedzeredzwa Iyo yemagetsi flowmeter haina kukwana; nekuti haina kukanganiswa nekuyerera kwevelocity kugoverwa padivi rekumusoro, hapana chikonzero chekunongedza zvikamu zvepombi kumberi nekumashure mativi e flowmeter. Izvo zvinokanganisa ndezvekuti mass flowmeter ine yakanyanya kugadzirisa kunyatso uye kazhinji ine rinorema base, saka rinodhura; nekuti iri nyore kukanganiswa nevekunze vibration uye iko kurongeka kwakadzikiswa, teerera kusarudzo yenzvimbo yayo yekumisikidza uye nzira.
7. Vortex inoyerera
Iyo vortex flowmeter, inozivikanwawo sevortex flowmeter, chigadzirwa chakazongobuda mukupera kwema1970. Yakave yakakurumbira kubvira payakaiswa pamusika uye yanga ichishandiswa zvakanyanya kuyera mvura, gasi, mweya uye zvimwe midhiya. Iyo vortex flowmeter ndeye velocity flowmeter. Iyo yekuburitsa chiratidzo chiratidzo chekupomba frequency kana chiyero chazvino chiratidzo chakaringana neiyereji yekuyerera, uye haina kukanganiswa nehunyoro tembiricha, kumanikidza kuumbwa, viscosity uye density. Chimiro chiri nyore, hapana zvikamu zvinofamba, uye chinhu chekucherechedza hachibate chinoyerera chinofanira kuyerwa. Iine hunhu hwekukwirira kwakanyanya uye hupenyu hwakareba hwebasa. Izvo zvinokanganisa ndezvekuti imwe yakatwasuka pombi chikamu chinodiwa panguva yekumisikidzwa, uye yakajairwa mhando haina mhinduro yakanaka kune vibration uye yakanyanya tembiricha. Vortex mugwagwa une piezoelectric uye capacitive mhando. Iyo yekupedzisira ine zvayakanakira mukushisa tembiricha uye vibration kuramba, asi inodhura uye inowanzo shandiswa kuyera kweanopisa kupisa mweya.
8. Target kuyerera mita
Kuyera musimboti: Kana iyo svikiro ichiyerera mutopu yekuyera, musiyano wekumanikidza pakati payo simba rekinetiki uye ndiro yakanangwa inokonzeresa kushomeka padiki petira ndiro, uye simba rinoguma rakaenzana nekuyerera kwekuyerera. Inogona kuyera yekuyerera-diki kuyerera, Ultra-yakaderera kuyerera chiyero (0 -0.08M / S), uye iko kurongeka kunogona kusvika 0.2%.
Post nguva: Kubvumbi-07-2021