Kurongeka kwemidziyo yekuyerera inogona kukamurwa kuita: volumetric flowmeter, velocity flowmeter, target flowmeter, electromagnetic flowmeter, vortex flowmeter, rotameter, differential pressure flowmeter, ultrasonic flowmeter, Mass flow mita, nezvimwe.
1. Rotameter
Float flowmeter, inozivikanwawo se rotameter, imhando yenzvimbo inoshanduka inoyerera.Mune vertical cone chubhu inokura kubva pasi kusvika kumusoro, giravhiti rekuyangarara kwedenderedzwa remuchinjiko chikamu chinotakurwa neiyo hydrodynamic force, uye iyo inoyangarara inogona kuva muKoni inogona kusimuka nekudonha zvakasununguka.Inofamba ichikwira nekudzika pasi pechiito chekuyerera velocity uye buoyancy, uye mushure mekuenzanisa nehuremu hwekuyangarara, inotumirwa kune dial kuratidza kuyerera kwekuyerera kuburikidza nemagineti coupling.Kazhinji yakakamurwa kuita girazi uye simbi rotameters.Metal rotor flowmeters ndiyo inonyanya kushandiswa muindasitiri.Kune corrosive media ine madiki pombi madhayamita, girazi rinowanzoshandiswa.Nekuda kwekusasimba kwegirazi, kiyi yekudzora poindi zvakare rotor flowmeter yakagadzirwa nesimbi dzakakosha senge titanium..Kune akawanda edzimba anogadzira rotor flowmeter anogadzira, kunyanya Chengde Kroni (achishandisa Germany Cologne tekinoroji), Kaifeng Instrument Factory, Chongqing Chuanyi, uye Changzhou Chengfeng ese anogadzira matenderedzwa.Nekuda kwehupamhi hwepamusoro uye kudzokorora kwema rotameters, Inoshandiswa zvakanyanya mukuyerera kwekuona kwediki pombi madhayamita (≤ 200MM).
2. Positive displacement flow mita
Iyo yakanaka displacement flowmeter inoyera vhoriyamu kuyerera kwemvura nekuyera metering volume inoumbwa pakati peimba nerotor.Zvinoenderana nechimiro cherotor, yakanaka yekusimuka inoyerera mita inosanganisira chiuno vhiri rudzi, scraper mhando, elliptical giya rudzi uye zvichingodaro.Positive displacement flow meters inoratidzwa nehupamhi hwekuyera kurongeka, vamwe kusvika 0.2%;chimiro chiri nyore uye chakavimbika;yakakura kushandiswa;kupisa kwepamusoro uye kupikisa kwakanyanya;mamiriro ekuisa pasi.Inoshandiswa zvakanyanya mukuyera kwemafuta asina kuchena uye zvimwe zvigadzirwa zvemafuta.Nekudaro, nekuda kwegiya dhiraivha, kuwanda kwepombi ndiyo hombe yakavanzika njodzi.Izvo zvinodikanwa kuisa sefa pamberi pemidziyo, iyo ine nguva shoma yehupenyu uye inowanzoda kugadziriswa.Iwo makuru ekugadzira edzimba mayuniti ndeaya: Kaifeng Instrument Factory, Anhui Instrument Factory, nezvimwe.
3. Differential pressure flow mita
The differential pressure flowmeter is a yekuyeresa mudziyo ine nhoroondo refu yekushandiswa uye yakakwana yekuedza data.Iyo inoyerera mita inoyera iyo static pressure musiyano inogadzirwa neiyo fluid inoyerera kuburikidza ne throttling mudziyo kuratidza chiyero chekuyerera.Iyo inonyanya kurongeka inoumbwa nedhizaini yekutsikisa, mutsauko wekumanikidza chiratidzo pombi uye musiyano wekumanikidza gauge.Iyo inonyanya kushandiswa throttling mudziyo muindasitiri ndeye "standard throttling mudziyo" wakamisikidzwa.Semuenzaniso, standard orifice, nozzle, venturi nozzle, venturi chubhu.Ikozvino mudziyo wekupuruzira, kunyanya chiyero chekuyerera kwenozzle, chave kufamba chakanangana nekubatanidzwa, uye iyo yakakwira-chaiyo mutsauko wekudzvanya dhizaini uye tembiricha muripo wakabatanidzwa nemhuno, iyo inovandudza zvakanyanya kurongeka.Pitot tube tekinoroji inogona kushandiswa kugadzirisa iyo throttling mudziyo pamhepo.Mazuvano, zvimwe zvisiri-standard throttling madivayiri anoshandiswawo mukuyera kwemaindasitiri, senge kaviri orifice plates, round orifice plates, annular orifice plates, etc. Aya mamita anowanzoda chaiyo-kuyerera calibration.Chimiro cheiyo yakajairwa throttling mudziyo iri nyore, asi nekuda kweiyo yakakwira zvinodiwa zvekushivirira kwedimensional, chimiro uye kushivirira chinzvimbo, tekinoroji yekugadzirisa yakaoma.Tichitora yakajairwa orifice plate semuenzaniso, i-ultra-thin plate-like part, iyo inokonzeresa deformation panguva yekugadziriswa, uye hombe orifice mahwendefa zvakare anowanzo chinja panguva yekushandiswa, iyo inokanganisa kurongeka.Gomba rekumanikidza remudziyo wekupuruzira kazhinji harina kunyanyokurisa, uye rinokanganisa panguva yekushandiswa, izvo zvinokanganisa kuyerwa kwechiyero.Iyo yakajairwa orifice plate inosakara zvimiro zvine chekuita nekuyerwa (senge acute angles) nekuda kwekukwesha kwemvura ichipokana nayo panguva yekushandiswa, izvo zvinoderedza kuyerwa kwechiyero.
Kunyangwe kuvandudzwa kwekusiyanisa kuyerera kwemamita ekuyerera kuri kwekutanga, nekuenderera mberi kwekuvandudza uye kuvandudzwa kwemamwe marudzi ekuyerera kwemamita, uye kuenderera mberi kwekuvandudzwa kweyero yekuyerera zvinodiwa mukusimudzira maindasitiri, chinzvimbo chekusiyanisa kuyerera kuyerera kwemamita mukuyera kwemaindasitiri kwave zvishoma. Inotsiviwa neyepamberi, yakakwirira-chaiyo uye yakanakira kuyerera mita.
4. Electromagnetic flowmeter
Iyo electromagnetic flowmeter inogadzirwa zvichibva paFaraday electromagnetic induction musimboti kuyera vhoriyamu kuyerera kweiyo conductive fluid.Zvinoenderana nemutemo waFaraday we electromagnetic induction, kana conductor akacheka tambo yemagineti mundima yemagineti, iyo induced voltage inogadzirwa mune conductor.Hukuru hwesimba remagetsi remagetsi rinoenderana nerekondukita.Mune magnetic field, velocity yekufamba perpendicular kune magnetic field yakaenzana, uye zvino maererano nehupamhi hwepombi uye kusiyana kwepakati, inoshandurwa kuva chiyero chekuyerera.
Electromagnetic flowmeter uye misimboti yekusarudza: 1) Mvura ichayerwa inofanira kunge iri conductive fluid kana slurry;2) Caliber uye mararamiro, zvichida iyo yakajairika yakawanda inopfuura hafu yehuwandu hwakazara, uye chiyero chekuyerera chiri pakati pe 2-4 mamita;3).Iko kushandiswa kwekushanda kunofanira kunge kuri kuduku kudarika kupikisa kupikisa kwe flowmeter;4).Zvinhu zvakasiyana-siyana zvekugadzira uye electrode zvinhu zvinofanirwa kushandiswa kune dzakasiyana tembiricha uye corrosive media.
Iko kuyerwa kweyero ye electromagnetic flowmeter kunoenderana nemamiriro ezvinhu apo mvura izere nepombi, uye dambudziko rekuyera remhepo mupombi harisati ranyatsogadziriswa.
Zvakanakira zve electromagnetic flowmeters: Iko hakuna throttling chikamu, saka iyo yekumanikidza kurasikirwa idiki, uye kushandiswa kwesimba kunoderedzwa.Inongoenderana neavhareji velocity yemvura yakayerwa, uye kuyerwa kwechiyero kwakakura;mamwe midhiya anogona kuyerwa chete mushure mekuenzanisa kwemvura, pasina kururamisa, iyo yakanyanya Yakakodzera kushandiswa sechinhu chekuyeresa chekugadzirisa.Nekuda kwekuenderera mberi kwekuvandudza tekinoroji uye zvigadzirwa zvekugadzira, kuenderera mberi kwekuvandudzwa kwekugadzikana, mutsara, kurongeka uye hupenyu, uye kuenderera mberi kwekuwedzera kwepombi madhayamita, kuyerwa kweiyo solid-liquid two-phase media media inotora anotsiviwa emagetsi uye scraper electrodes kugadzirisa dambudziko.High pressure (32MPA), corrosion resistance (anti-acid uye alkali lining) matambudziko ekuyeresa epakati, pamwe nekuenderera mberi kwekuwedzera kwecaliber (kusvika 3200MM caliber), kuwedzera kunoramba kuripo kwehupenyu (kazhinji kupfuura makore gumi), electromagnetic. flowmeters iri kuwedzera Kushandiswa Kwakawanda, mari yaro yakaderedzwawo, asi mutengo wakazara, kunyanya mutengo wemadhayamita epombi hombe, ichiri yakakwirira, saka ine nzvimbo inokosha pakutenga kwemamita ekuyerera.
5. Ultrasonic flowmeter
Ultrasonic flowmeter rudzi rutsva rwekuyerera kuyerwa chiridzwa chakagadzirwa munguva dzazvino.Chero bedzi mvura inogona kutumira inzwi inogona kuyerwa ne ultrasonic flowmeter;ultrasonic flowmeter inokwanisa kuyera kuyerera kwe-high-viscosity liquid, isiri-conductive liquid kana gasi, uye kuyerwa kwayo Nheyo yekuyerera kweyero ndeye: kupararira kwekukurumidza kwemafungu e-ultrasonic mumvura ichasiyana nekuyerera kwemvura iri kuyerwa.Parizvino, high-precision ultrasonic flowmeters ichiri nyika yemhando dzekunze, dzakadai seJapan Fuji, United States' Kanglechuang;mudzimba vagadziri ve ultrasonic flowmeters vanonyanya kusanganisira: Tangshan Meilun, Dalian Xianchao, Wuhan Tailong zvichingodaro.
Ultrasonic flowmeters haiwanzo shandiswa sesettlement metering zviridzwa, uye kugadzirwa hakugone kumiswa kuti itsive kana iyo-saiti metering point yakuvadzwa, uye inowanzoshandiswa mumamiriro ezvinhu apo kuyedza paramita inodiwa kutungamira kugadzirwa.Kubatsira kukuru kwe ultrasonic flowmeters ndeyekuti inoshandiswa kune yakakura-caliber kuyerera kuyerwa (pombi madhayamita makuru kupfuura 2 metres).Kunyangwe mamwe mapoinzi emamita akashandiswa kugadzirisa, kushandiswa kwepamusoro-chaiyo ultrasonic flowmeters kunogona kuchengetedza mutengo uye kuderedza kugadzirisa.
6. Misa inoyerera mita
Mushure memakore ekutsvakurudza, U-shaped tube mass flowmeter yakatanga kubudiswa neAmerican MICRO-MOTION kambani muna 1977. Kamwe iyi flowmeter yakabuda, yakaratidza simba rayo rakasimba.Kubatsira kwaro ndekwekuti chiratidzo chekuyerera kwehuwandu chinogona kuwanikwa zvakananga, uye haina kukanganiswa neiyo yemuviri Parameter pesvedzero, iko kurongeka ndeye ± 0.4% yehuwandu hwakayerwa, uye vamwe vanogona kusvika 0.2%.Inogona kuyera zvakasiyana-siyana zvegasi, zvinwiwa uye slurries.Iyo inonyanya kukodzera kuyera liquefied petroleum gasi uye liquefied gasi rechisikigo nemhando yekutengesa midhiya, inowedzerwa Iyo electromagnetic flowmeter haina kukwana;nokuti haina kukanganiswa nekuyerera kwevelocity kugovera kudivi rekumusoro kwerwizi, hapana kudikanwa kwezvikamu zvepombi dzakananga kumberi neshure kwedivi rekuyerera.Izvo zvisingabatsiri ndezvokuti iyo yakawanda inoyerera ine yakakwirira yekugadzirisa kurongeka uye kazhinji ine inorema base, saka inodhura;nokuti inobatwa nyore nyore nekudengenyeka kwekunze uye iko kurongeka kwakaderedzwa, teerera kune kusarudzwa kwenzvimbo yayo yekuisa uye nzira.
7. Vortex flowmeter
Iyo vortex flowmeter, inozivikanwawo sevortex flowmeter, chigadzirwa chakangobuda mukupera kwema1970.Yakave yakakurumbira kubva pakaiswa pamusika uye yakashandiswa zvakanyanya kuyera mvura, gasi, chiutsi uye mamwe midhiya.The vortex flowmeter is a velocity flowmeter.Chiratidzo chekubuda chiratidzo che pulse frequency kana chiyero chazvino chechiratidzo chakaenzana nechiyero chekuyerera, uye haina kukanganiswa nekupisa kwemvura, kuumbwa kwekumanikidza, viscosity uye density.Chimiro chacho chiri nyore, hapana zvikamu zvinofamba, uye chinhu chekuona hachibati mvura kuti kuyerwa.Iine maitiro ehutano hwepamusoro uye hupenyu hurefu hwebasa.Izvo zvakashata ndezvekuti imwe yakatwasuka pombi chikamu chinodiwa panguva yekumisikidza, uye yakajairika mhando haina mhinduro yakanaka kune vibration uye kupisa kwakanyanya.Mugwagwa wevortex une piezoelectric uye capacitive marudzi.Iyo yekupedzisira ine mabhenefiti mukudzivirira tembiricha uye kuzununguka kuramba, asi inodhura uye inowanzo shandiswa kuyerwa kwemhepo inopisa.
8. Target flow mita
Kuyeresa musimboti: Kana iyo yepakati ichiyerera muchubhu yekuyeresa, mutsauko wekumanikidza pakati pesimba rayo rekinetic neplate inonangwa inokonzeresa kutamiswa kudiki kwendiro inonangwa, uye simba rinobuda rinoenderana nechiyero chekuyerera.Inogona kuyera ultra-small flow, ultra-low flow rate (0 -0.08M/S), uye kurongeka kunogona kusvika 0.2%.
Nguva yekutumira: Kubvumbi-07-2021