Abtract
Mitoci masu gudana sune mahimman kayan aiki a cikin sarrafa tsarin masana'antu, auna makamashi, da sa ido kan muhalli. Wannan takarda tana kwatanta ka'idodin aiki, halaye na fasaha, da aikace-aikace na yau da kullun na mitoci masu kwarara na lantarki, mita kwararar ultrasonic, da mitoci masu kwararar gas. Mitoci masu kwarara na lantarki sun dace da ruwa mai ɗaukar nauyi, mita masu kwararar ultrasonic suna ba da ma'aunin madaidaicin madaidaicin lamba, kuma mitocin kwararar iskar gas suna ba da mafita iri-iri don kafofin watsa labarai daban-daban na iskar gas (misali, iskar gas, iskar gas na masana'antu). Bincike ya nuna cewa zabar madaidaicin mita mai gudana zai iya inganta ingantaccen ma'auni (kuskure <± 0.5%), rage yawan amfani da makamashi (15%-30% tanadi), da inganta ingantaccen tsarin sarrafawa.
1. Electromagnetic Flow Mita
1.1 Ka'idar Aiki
Bisa ka'idar Faraday ta Induction Electromagnetic, ruwa masu motsa jiki da ke gudana ta filin maganadisu suna haifar da ƙarfin lantarki daidai da saurin gudu, wanda aka gano ta hanyar lantarki.
1.2 Fasalolin Fasaha
- Mai dacewa Mai jarida: Ruwa masu aiki (haɓaka ≥5 μS/cm), kamar ruwa, acid, alkalis, da slurries.
- Amfani:
- Babu sassa masu motsi, juriya, tsawon sabis
- Faɗin ma'auni (0.1-15 m/s), asarar matsa lamba mara kyau
- Babban daidaito (± 0.2% - ± 0.5%), ma'aunin kwararar bidirectional
- Iyakoki:
- Bai dace da magudanar ruwa ba (misali, mai, ruwa mai tsafta)
- Mai saukin kamuwa da tsangwama daga kumfa ko tsayayyen barbashi
1.3 Na Musamman Aikace-aikace
- Ruwa / Ruwan Sharar gida: Babban diamita (DN300+) saka idanu kwarara
- Masana'antar sinadarai: Ma'aunin ruwa mai lalacewa (misali, sulfuric acid, sodium hydroxide)
- Abinci/Magunguna: Tsarin tsafta (misali, tsaftacewar CIP)
2. Ultrasonic Flow Mita
2.1 Ka'idar Aiki
Yana auna saurin gudu ta amfani da bambancin lokacin wucewa (lokacin tashi) ko tasirin Doppler. Manyan iri guda biyu:
- Manne (Ba mai cin zali): Shigarwa mai sauƙi
- Sakawa: Ya dace da manyan bututun mai
2.2 Fasalolin Fasaha
- Mai dacewa Media: Liquids da gas (samfurin na musamman akwai), yana goyan bayan kwarara guda/multi-multi-time.
- Amfani:
- Babu raguwar matsa lamba, manufa don magudanar ruwa masu danko (misali, danyen mai)
- Faɗin ma'auni (0.01-25 m/s), daidaito har zuwa ± 0.5%
- Ana iya shigar da kan layi, ƙarancin kulawa
- Iyakoki:
- Abun bututu ya shafa (misali, simintin ƙarfe na iya rage sigina) da kamannin ruwa
- Babban ma'auni yana buƙatar tsayayyen kwarara (guje wa hargitsi)
2.3 Na Musamman Aikace-aikace
- Oil & Gas: Kula da bututun mai nisa
- Tsarin HVAC: Ma'aunin makamashi don ruwan sanyi/ruwan dumama
- Kula da Muhalli: Ma'aunin ruwan kogi/ruwa (samfuri masu ɗaukar nauyi)
3. Mitar Guda Gas
3.1 Babban Nau'i da Fasaloli
| Nau'in | Ka'ida | Gases masu dacewa | Amfani | Iyakance |
|---|---|---|---|---|
| Thermal Mass | Rashin zafi | Tsaftace iskar gas (iska, N₂) | Gudun taro kai tsaye, babu ramuwa na lokaci/matsi | Bai dace da iskar gas mai ɗanɗano ba |
| Vortex | Karmán vortex street | Turi, iskar gas | Babban juriya / matsa lamba | Ƙananan hankali a ƙananan kwarara |
| Turbine | Juyawa juyi | Gas, LPG | Babban daidaito (± 0.5% - ± 1%) | Yana buƙatar kulawa |
| Matsi Daban-daban (Ofice) | Ka'idar Bernoulli | Gas na masana'antu | Ƙananan farashi, daidaitacce | Babban hasara na dindindin (~ 30%) |
3.2 Na Musamman Aikace-aikace
- Bangaren Makamashi: Canja wurin ajiyar iskar gas
- Masana'antar Semiconductor: Kula da iskar gas mai ƙarfi (Ar, H₂)
- Kulawa da Fitowa: Gas ɗin Flue gas (SO₂, NOₓ) ma'aunin kwarara
4. Kwatanta da Sharuɗɗan Zaɓi
| Siga | Electromagnetic | Ultrasonic | Gas (Misali Thermal) |
|---|---|---|---|
| Mai dacewa Media | Ruwa masu ɗaukar nauyi | Liquid / gas | Gas |
| Daidaito | ± 0.2% -0.5% | ± 0.5% -1% | ± 1% -2% |
| Rashin Matsi | Babu | Babu | Karamin |
| Shigarwa | Cikakken bututu, ƙasa | Yana buƙatar madaidaiciyar gudu | Ka guji girgiza |
| Farashin | Matsakaici-high | Matsakaici-high | Ƙananan matsakaici |
Sharuɗɗan Zaɓi:
- Ma'auni na Liquid: Electromagnetic for conductive waters; ultrasonic don kafofin watsa labarai marasa aiki/lalata.
- Ma'aunin Gas: Thermal don iskar gas mai tsabta; vortex don tururi; turbine don canja wurin tsarewa.
- Bukatu na Musamman: Aikace-aikacen tsafta na buƙatar ƙira mara-sarari; kafofin watsa labarai masu zafi suna buƙatar kayan da ke jurewa zafi.
5. Ƙarshe da Yanayin Gaba
- Mitar kwararar wutar lantarki sun mamaye masana'antun sinadarai/ruwa, tare da ci gaba a nan gaba a cikin ma'aunin ruwa mara ƙarfi (misali, ruwa mai ƙarfi).
- Ultrasonic kwarara mita suna girma a cikin mai kaifin ruwa / makamashi management saboda wadanda ba lamba abũbuwan amfãni.
- Mitocin kwararar iskar iskar gas suna haɓaka zuwa haɗin kai da yawa (misali, ramuwa na lokaci/matsi + nazarin abun da ke ciki) don daidaito mafi girma.
- Cikakken saitin sabobin da tsarin mara waya ta software, yana goyan bayan RS485 GPRS / 4g/WIFI/LORA/LORAWANDon ƙarin bayani na mita kwarara,
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