Mamiriro akakodzera ekushanda kwema vortex flowmeters anoenderana nepfungwa yekuyera uye hunhu hwekushanda kwawo. Mamiriro avo makuru anosanganisira kuyerwa kwehuwandu hwekuyerera kwemvura pakati nepakati kusvika pakakwirira, nzvimbo yakachena/isina kuchena, nzvimbo yakawanda (gas/liquid/steam), uye dhayamita yemapaipi ari pakati nepakati kusvika pakuru. Mamiriro chaiwo ekushanda anoshandiswa ndeaya anotevera:
I. Kugadziriswa kwemhando yepakati
1. Mamiriro Ekushanda Emvura
- Yakakodzera zvinwiwa zvakachena, zvine simba shoma, zvakaita semvura yepombi, mvura inotenderera mumaindasitiri, peturu, dhiziri, methanol, ethanol, uye ethylene glycol.
- Zvinoda kuti nhamba yeReynolds yemuchina uyu ive Re > 2000 (kuyerera kwepakati kusvika kwepamusoro). Nzvimbo ine viscosity yakawanda (semuenzaniso, mafuta anorema, mafuta ekuzora) inofanira kudzivirirwa, sezvo ichikonzera kugadzirwa kwemhepo isina kugadzikana uye kuora kwakanyanya kwekururama.
2. Mamiriro Ekushanda Kwegasi
- Yakakodzera magasi akaoma uye akachena akadai segasi rechisikigo, mhepo yakamanikidzwa, nitrogen, okisijeni, kabhoni dhayokisaidhi, uye gasi rekupisa (tsvina inofanira kusefa).
- Inogona kuzadzisa zvinodiwa zvekuyerwa kwemagasi anodziya tembiricha yakajairika uye anodziya tembiricha yepakati nepakati (semuenzaniso, kutarisa gasi rinodziya). Kutarisirwa kunofanira kupihwa kune kumanikidzwa kwegasi kwakasimba kudzivirira kuchinja kwakanyanya kunokanganisa mhedzisiro yekuyerwa.
3. Mamiriro Ekushanda Nemhepo
- Iyi inyaya inobatsira pakuongorora ma "vortex flowmeters", akakodzera zvikuru kuyerwa kwe "saturated steam" ne "superheated steam", zvakaita se "boiler steam" muma "power plants", "process steam" muma "chemical plants", uye "steam" muma "heating systems".
- Inogona kutsungirira tembiricha yakakwira uye kumanikidzwa kwakakwira (kazhinji tembiricha ≤ 400℃, kumanikidzwa ≤ 16MPa) nekurasikirwa kwakaderera kwedzvinyiriro, izvo zvinoderedza kushandiswa kwesimba remapaipi.
II. Mamiriro Ekushanda Paipi Nekuisa
1. Zvinodiwa zveDhayamita yePombi
- Yakakodzera mapaipi ane dhayamita yepakati nepakati kusvika pakukura ane DN ≥ 25mm (kazhinji DN25~DN3000). Kunyatsoongorora dhayamita yemapaipi madiki (DN < 25mm) kwakaderera uye hakukurudzirwi.
- Inotsigira kuiswa kwakatwasuka, kwakatwasuka, kana kwakatsveyama, asi zvakakosha kuve nechokwadi chekuti mvura inoyerera zvakanaka kana kuti magasi/mhepo inoyerera zvakafanana kudzivirira mapombi asina chinhu kana gasi-mvura inoyerera zvine zvikamu zviviri.
2. Zvinodiwa pachikamu chepombi yakatwasuka
- Inofanira kuzadzisa hurefu hwezvikamu zvepombi dzakatwasuka isati yasvika uye yapera mita: kazhinji, kumusoro ≥ kagumi kadhayamita yepombi uye pasi ≥ kashanu kadhayamita yepombi (kana pasina zvikamu zvinopindirana). Kana mavharuvhu kana magokora aripo, kureba kwechikamu chepombi dzakatwasuka kunofanira kuwedzerwa (semuenzaniso, kumusoro ≥ ka20 kadhayamita yepombi) kuti ive nechokwadi chekuti mvura inoyerera zvakanaka.
III. Mamiriro Ekushanda Kwezvakatipoteredza uye Maitiro
1. Tembiricha uye Kumanikidzwa
- Kureba kwekupisa: -40℃ ~ 400℃ (mhando dzemazuva ose); mamwe mamodheru anodziya zvakanyanya anogona kutsungirira kupisa kwakanyanya (semuenzaniso, 550℃).
- Kudzvanyirira: 0~16MPa (mhando dzemazuva ese); mhando dzine kudzvanyirira kwakanyanya dzinogona kusangana nemamiriro ekushanda ne kudzvanyirira ≤ 40MPa (semuenzaniso, mvura dzine kudzvanyirira kwakanyanya munzvimbo dzemafuta).
2. Zvinodiwa Pakuchengetedzwa Kwenharaunda
- Zvakakodzera nzvimbo dzemaindasitiri dzakajairika dzakadai semafekitori emafuta, magetsi, uye simbi. Kana nzvimbo yacho iine kuzununguka kwakasimba (semuenzaniso, pedyo nemapombi), michina yekudzima vibration inofanira kuiswa; zvikasadaro, kuzununguka kuchakanganisa kuonekwa kwevortex uye kukonzera kudzungaira kwedata.
- Inogona kushandiswa munzvimbo dzisingaputike (zvinonzwa zvisingaputike zvinodiwa), zvakaita senzvimbo dzinobvira moto nedzinoputika munzvimbo dzinogadzira mafuta nemakemikari.
IV. Kugadziriswa kwezvinodiwa zvekudzora maitiro
1. Rudzi rweKuyerera
- Ine chiyero chakafara chekudzora simba (1:10~1:30), yakakodzera mamiriro ekushanda ane kushanduka kukuru kwekuyerera kwemvura, senge kuyerwa kwekudya mumakemikoro emakemikari uye kuyerwa kwekuyerera kwemhepo panguva yekuchinja kwemutoro mumafekitori emagetsi.
2. Kubuda kweSignali uye Kubatanidzwa
- Inotsigira masaini anobuda akadai se4-20mA, pulse, HART, uye RS485, uye inogona kubatanidzwa zvakananga kune PLC neDCS systems kuti isangane nezvinodiwa zvekutarisa kure uye kudzora otomatiki, senge kudzora kuyerera kwemhepo kwakavharwa mumitsetse yekugadzira maindasitiri.
V. Mamiriro Ekushanda Ekudzivirira
- Kusviba kwakanyanya (kinematic viscosity > 10mm²/s), kusviba kwakanyanya (solid particle content > 1%), kusviba nyore, kana kuti zviri nyore kukwiza.
- Mwero wekuyerera kwemvura wakaderera (nhamba yaReynolds Re < 2000) uye dhayamita yepombi diki (DN < 25mm).
- Kuyerera kwegasi-mvura ine zvikamu zviviri kana kuyerera kwezvikamu zviviri zvine zvikamu zviviri zvine mvura (semuenzaniso, mvura ine mabhurumu, tsvina ine tsvina yakawanda).
- Nzvimbo dzine kudedera kwakasimba kana kukanganiswa kwakasimba kwemagetsi (pasina matanho ekudzivirira).
Nguva yekutumira: Zvita-25-2025