Chidule
Ma flow meter ndi zida zofunika kwambiri pakuwongolera njira zamafakitale, kuyeza mphamvu, ndi kuyang'anira chilengedwe. Pepalali likuyerekeza mfundo zogwirira ntchito, makhalidwe aukadaulo, ndi kugwiritsa ntchito kwa ma electromagnetic flow meter, ma ultrasonic flow meter, ndi ma gas flow meter. Ma electromagnetic flow meter ndi oyenera kugwiritsa ntchito madzi oyendetsera mpweya, ma ultrasonic flow meter amapereka muyeso wolondola kwambiri wosakhudzana ndi mpweya, ndipo ma gas flow meter amapereka njira zosiyanasiyana zoyezera mpweya (monga gasi wachilengedwe, mpweya wa mafakitale). Kafukufuku akusonyeza kuti kusankha flow meter yoyenera kungathandize kwambiri kulondola kwa muyeso (cholakwika < ±0.5%), kuchepetsa kugwiritsa ntchito mphamvu (kusunga 15%–30%), ndikuwonjezera magwiridwe antchito owongolera njira.
1. Ma Electromagnetic Flow Meters
1.1 Mfundo Yogwirira Ntchito
Kutengera ndi lamulo la Faraday la Electromagnetic Induction, zakumwa zoyendetsa magetsi zomwe zimadutsa mu magnetic field zimapanga voltage yofanana ndi liwiro la kuyenda, lomwe limadziwika ndi ma electrodes.
1.2 Zinthu Zaukadaulo
- Zida Zoyenera: Zakumwa zoyendetsa (conductivity ≥5 μS/cm), monga madzi, asidi, alkali, ndi slurry.
- Ubwino:
- Palibe ziwalo zosuntha, sizitha kutha, ndipo zimakhala ndi moyo wautali
- Kuyeza kwakukulu (0.1–15 m/s), kutayika pang'ono kwa kuthamanga
- Kulondola kwambiri (± 0.2%–± 0.5%), muyeso wa kayendedwe ka mbali zonse ziwiri
- Zoletsa:
- Sikoyenera kugwiritsa ntchito madzi osayendetsa mpweya (monga mafuta, madzi oyera)
- Amatha kusokonezedwa ndi thovu kapena tinthu tolimba
1.3 Ntchito Zachizolowezi
- Madzi/Madzi Otayira a Municipal: Kuwunika kayendedwe ka madzi m'mimba mwake (DN300+)
- Makampani Opanga Mankhwala: Kuyeza madzi owononga (monga sulfuric acid, sodium hydroxide)
- Chakudya/Madokotala: Mapangidwe aukhondo (monga kuyeretsa kwa CIP)
2. Mayeso Oyendera Ma Ultrasonic
2.1 Mfundo Yogwirira Ntchito
Amayesa liwiro la kuyenda pogwiritsa ntchito kusiyana kwa nthawi yoyendera (nthawi yoyenda) kapena Doppler effect. Mitundu iwiri ikuluikulu:
- Kuyika Clamp-on (Yosavulaza): Kukhazikitsa kosavuta
- Kuyika: Koyenera mapaipi akuluakulu
2.2 Zinthu Zaukadaulo
- Zida Zoyenera: Zamadzimadzi ndi mpweya (mitundu yeniyeni yomwe ilipo), imathandizira kuyenda kwa gawo limodzi/lambiri
- Ubwino:
- Palibe kutsika kwa mphamvu, ndibwino kugwiritsa ntchito madzi okhala ndi kukhuthala kwakukulu (monga mafuta osakonzedwa)
- Mulingo wokulirapo (0.01–25 m/s), kulondola mpaka ± 0.5%
- Ikhoza kukhazikitsidwa pa intaneti, kukonza kochepa
- Zoletsa:
- Zimakhudzidwa ndi zinthu zapaipi (monga chitsulo chopangidwa ndi chitsulo chingachepetse zizindikiro) komanso kufanana kwa madzi
- Kuyeza molondola kwambiri kumafuna kuyenda kokhazikika (kupewa kugwedezeka)
2.3 Ntchito Zachizolowezi
- Mafuta ndi Gasi: Kuyang'anira mapaipi akutali
- Machitidwe a HVAC: Kuyeza mphamvu ya madzi ozizira/otenthetsera
- Kuyang'anira Zachilengedwe: Kuyeza kayendedwe ka madzi mumtsinje/madzi otuluka (mitundu yonyamulika)
3. Mamita Oyendera Gasi
3.1 Mitundu ndi Makhalidwe Aakulu
| Mtundu | Mfundo yaikulu | Mpweya Woyenera | Ubwino | Zoletsa |
|---|---|---|---|---|
| Kutentha Kwambiri | Kutaya kutentha | Mpweya woyera (mpweya, N₂) | Kuyenda kwa misa mwachindunji, palibe chipukuta misozi/kupanikizika | Sizoyenera mpweya wonyowa/fumbi |
| Vortex | Kármán vortex street | Nthunzi, gasi wachilengedwe | Kukana kutentha/kupanikizika kwambiri | Kuchepa kwa mphamvu pakuyenda pang'ono |
| Turbine | Kuzungulira kwa rotator | Gasi wachilengedwe, LPG | Kulondola kwambiri (± 0.5%–± 1%) | Pamafunika kukonza mabenchi |
| Kupanikizika Kosiyana (Orifice) | Mfundo ya Bernoulli | Mpweya wa mafakitale | Mtengo wotsika, wokhazikika | Kutaya kwa kuthamanga kwa magazi kosatha (~30%) |
3.2 Ntchito Zachizolowezi
- Gawo la Mphamvu: Kusamutsa gasi wachilengedwe
- Kupanga Ma Semiconductor: Kulamulira mpweya woyera kwambiri (Ar, H₂)
- Kuwunika Utsi: Kuyeza kayendedwe ka mpweya wa flue (SO₂, NOₓ)
4. Malangizo Oyerekeza ndi Kusankha
| Chizindikiro | Magetsi amagetsi | Akupanga | Gasi (Chitsanzo cha Kutentha) |
|---|---|---|---|
| Zofalitsa Zoyenera | Zakumwa zoyendetsa | Zakumwa/mpweya | Mpweya |
| Kulondola | ± 0.2%–0.5% | ± 0.5%–1% | ± 1%–2% |
| Kutaya kwa Kupanikizika | Palibe | Palibe | Zochepa |
| Kukhazikitsa | Chitoliro chonse, chokhazikika pansi | Amafuna kuthamanga molunjika | Pewani kugwedezeka |
| Mtengo | Pakati-pamwamba | Pakati-pamwamba | Wotsika-wapakatikati |
Zosankha Zosankha:
- Kuyeza kwa Madzi: Magetsi amagetsi amadzimadzi oyendetsera magetsi; ultrasonic ya zinthu zosayendetsa magetsi/zowononga.
- Kuyeza Gasi: Kutentha kwa mpweya woyera; vortex ya nthunzi; turbine yosungira.
- Zosowa Zapadera: Kugwiritsa ntchito ukhondo kumafuna mapangidwe opanda malo; zipangizo zotenthetsera kwambiri zimafuna zipangizo zosatentha.
5. Mapeto ndi Zochitika Zamtsogolo
- Ma electromagnetic flow meter ndi omwe amatsogolera mafakitale a mankhwala/madzi, ndipo mtsogolomu pakupita patsogolo muyeso wamadzi otsika (monga madzi oyera kwambiri).
- Ma ultrasound flow meters akukula mu kasamalidwe ka madzi/mphamvu mwanzeru chifukwa cha ubwino wake wosakhudzana ndi magetsi.
- Zoyezera kuyenda kwa mpweya zikusintha kukhala zophatikizana ndi ma parameter ambiri (monga, kubwezera kutentha/kupanikizika + kusanthula kapangidwe kake) kuti zikhale zolondola kwambiri.
- Seti yonse ya ma seva ndi mapulogalamu opanda zingwe, imathandizira RS485 GPRS /4g/WIFI/LORA/LORAWANKuti mudziwe zambiri za mita yoyezera kuchuluka kwa madzi,
chonde lemberani Honde Technology Co., LTD.
Email: info@hondetech.com
Webusaiti ya kampani:www.hondetechco.com
Foni: +86-15210548582
Nthawi yotumizira: Ogasiti-13-2025