Mamita Oyendera a Ultrasonic

Zaka 20+ Zogwira Ntchito Pakupanga

Makhalidwe a Vortex Flowmeters

 

Monga choyezera kuthamanga kwa mpweya pogwiritsa ntchito mphamvu ya Karman Vortex Street, zoyezera kuthamanga kwa mpweya zimakhala ndi magwiridwe antchito abwino kwambiri pakulondola kwa muyeso, kapangidwe kake, kusinthasintha kwa magwiridwe antchito, komanso mtengo wogwirira ntchito. Makhalidwe ofunikira ndi awa:

1. Ubwino wa Muyeso wa Pakati

  • Kulondola kwambiri kwa muyeso: Kulondola kwachizolowezi kumayambira pa ±1.0% mpaka ±1.5% FS (±0.5% FS ya mitundu yolondola kwambiri), yokhala ndi cholakwika chobwerezabwereza ≤0.3%, kukwaniritsa zofunikira pakukonza malonda ndi kuwongolera njira.
  • Chiŵerengero cha kugwedezeka kwakukulu: Chiŵerengero chokhazikika ndi 1:10 mpaka 1:20, chomwe chimatha kukulitsidwa kufika 1:30 pa mitundu ina, chomwe chimaphatikizapo miyeso ya kuchuluka kwa madzi oyenda (monga, kuyenda kwa nthunzi kuchokera ku katundu wochepa mpaka katundu wonse).
  • Kusinthasintha kwapakati: Kutha kuyeza mitundu itatu ya zinthu zoyatsira mpweya—mpweya (mpweya wachilengedwe, nayitrogeni, mpweya wopanikizika, ndi zina zotero), zakumwa (madzi, mafuta, zosungunulira mankhwala, ndi zina zotero), ndi nthunzi (nthunzi yokhuta/yotentha kwambiri)—popanda kusintha zigawo zazikulu za zinthu zoyatsira mpweya zosiyanasiyana.

2. Kapangidwe ndi Kukhazikitsa Zinthu

  • Palibe ziwalo zosuntha: Chigawo choyezera chapakati chilibe zinthu zozungulira kapena zovalidwa ndi makina, zomwe zimapangitsa kuti pakhale kulephera kochepa komanso moyo wautali (zaka 5 mpaka 10 pansi pa mikhalidwe yabwinobwino) komanso ndalama zochepa zokonzera.
  • Kutaya mphamvu pang'ono: Kukana kuyenda kwa madzi ndi 1/3 ~ 1/5 yokha ya zoyezera madzi, zomwe zimachepetsa kutayika kwa mphamvu ya mapaipi, makamaka yoyenera kugwiritsidwa ntchito m'mimba mwake ndi m'munsi mwa mpweya.
  • Kukhazikitsa kosavuta: Kumathandizira kuyikira kopingasa, koyima, komanso kopendekera, ndi zofunikira zochepa zolunjika (nthawi zambiri 10D pamwamba pa mtsinje / 5D pansi pa mtsinje; mitundu ina yokhala ndi kapangidwe ka rectifier imatha kufupikitsidwa kukhala 5D pamwamba pa mtsinje / 3D pansi pa mtsinje, pomwe D = mainchesi a payipi), kuonetsetsa kuti imasintha bwino pamalopo.
  • Kapangidwe kakang'ono: Kakang'ono komanso kopepuka, koyenera malo okhala ndi malo ochepa (monga zipinda zopapatiza zogwirira ntchito, mapaipi okwera kwambiri).

3. Kusinthasintha kwa Mkhalidwe Wogwirira Ntchito

  • Kukana kutentha kwambiri ndi kupanikizika: Mitundu yokhazikika imatha kupirira -40℃ ~ 350℃ ndi ≤4.0MPa; mitundu yapadera imatha kufikira 500℃ ndi 16MPa, yoyenera kuyeza nthunzi ndi madzi otentha kwambiri.
  • Mphamvu yolimbana ndi kusokonezeka: Yokhala ndi masensa a piezoelectric kapena capacitive pamodzi ndi ukadaulo wosefera wa digito, yolimbana bwino ndi kugwedezeka kwa mapaipi, kusokonezeka kwa maginito, ndi kugunda kwapakati (mitundu ina ili ndi kapangidwe kotsutsana ndi kugwedezeka, yokhala ndi cholakwika choyambitsidwa ndi kugwedezeka ≤±0.1% FS).
  • Njira zopewera dzimbiri/kuwonongeka: Pazinthu zapadera (njira zothetsera asidi, mpweya wafumbi), zinthu monga chitsulo chosapanga dzimbiri, PTFE lining, ndi Hastelloy zilipo kuti zikulitse njira zogwiritsira ntchito.

4. Ubwino Wogwira Ntchito ndi Kukonza

  • Palibe kufunikira koyezera pamalo: Kutengera mfundo zoyezera zenizeni, kuyeza kwa fakitale pogwiritsa ntchito zipangizo zokhazikika kumachotsa kufunikira koyezeranso pamalopo (ngati magawo apakati akugwirizana ndi momwe zinthu zilili).
  • Zizindikiro zotulutsa zambiri: Zimathandizira chizindikiro cha analog cha 4 ~ 20mA, chizindikiro cha pulse, ndi kutulutsa kwa digito kwa RS485 (Modbus protocol), komwe kumalumikizana mwachindunji ndi PLC, machitidwe a DCS, kapena zida zopezera deta kuti ziziwongolera zokha.
  • Mtengo wotsika wogwirira ntchito: Palibe zinthu zogwiritsidwa ntchito kapena kusokoneza nthawi zonse; kokha kufufuza nthawi ndi nthawi kwa kulimba kwa flange ndi mawaya a sensor ndikofunikira, kuchepetsa ntchito yokonza.

5. Zoletsa (zoti musankhe)

  • Sichikhudzidwa ndi mphamvu yotsika komanso kukhuthala kwakukulu: Chimafuna nambala ya Reynolds Re ≥20,000 (mpweya) kapena ≥5,000 (zamadzimadzi); apo ayi, zolakwika pakuyeza zimawonjezeka. Sizoyenera mafuta olemera, zakumwa zokhuthala, ndi zina zotero.
  • Chofunikira pa ukhondo wapakati: Tinthu tating'onoting'ono tating'onoting'ono tolimba (tinthu tating'onoting'ono tosakwana 5mm) tingatseke masensa kapena kuwononga zinthu, zomwe zimafuna kuti zosefera zigwiritsidwe ntchito.
  • Sizigwiritsidwa ntchito pa madzi osakhala a Newtonian: Madzi oundana kapena madzi okhala ndi zinthu zolimba kwambiri amakhudza kukhazikika kwa vortex, zomwe zimapangitsa kuti muyeso ulephereke.

Nthawi yotumizira: Disembala-25-2025

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