Hunhu hweOptical Dissolved Oxygen Sensors yeMvura Hunhu

Optical Dissolved Oxygen (ODO) sensors, inozivikanwawo se fluorescence-based sensors, inyanzvi yemazuva ano inosiyana nemaitiro echinyakare membrane electrode nzira (Clark cells). Chinhu chavo chikuru ndechekushandisa fluorescence quenching kuyera huwandu hweokisijeni yakanyungudika mumvura.

Working Principle:
Musoro we sensor wakafukidzwa ne membrane yakaiswa nedhayi refluorescent. Kana dhayi iyi ikafadzwa nehurefu hwakati hwechiedza chebhuruu, inoburitsa chiedza chitsvuku. Kana mamorekuru eokisijeni aripo mumvura, anodhumhana nemamorekuru edhayi anofara, zvichikonzera kudzikiswa kwesimba refluorescence uye nehupenyu hupfupi hwefluorescence. Nekuyera shanduko iyi muhupenyu hwefluorescence kana kusimba, iyo yakanyungudika okisijeni concentration inogona kuverengerwa nemazvo.

Hunhu Hunokosha:

1. Hapana Kushandisa Okisijeni, Hapana Electrolyte:
   • Uyu ndiwo mutsauko wakanyanya kukosha kubva kune membrane electrode nzira. Optical sensors haipedzi okisijeni kubva mumuenzaniso, ichipa mhedzisiro yakanyatsojeka, kunyanya mukudzika-kuyerera kana static miviri yemvura.
   • Hapana chikonzero chekutsiva electrolytes kana membranes, zvakanyanya kuderedza kuchengetedza.
2. Yakaderera Maintenance, High Kugadzikana:
   • Hapana nyaya ne membrane clogging, electrode poisoning, kana electrolyte kusvibiswa.
   • Nguva refu yekuenzanisa, kazhinji ichida kuenzanisa chete mwedzi mishomanana kana kunyange kupfuura.
3. Kukurumidza Kupindura uye Kururama Kwepamusoro:
   • Kupindura nekukurumidza kune shanduko muokisijeni yakanyungudika, ichigonesa-chaiyo-nguva kutora kwekuchinja kwemhando yemvura.
   • Zviyero hazvikanganisike nekuyerera kwevelocity kana zvinokanganisa zvinhu senge sulfides, zvinopa kurongeka kwepamusoro uye kugadzikana kana zvichienzaniswa nemaitiro echinyakare.
4. Minimal Long-Term Drift:
   • Zvimiro zvedhayi refluorescent zvakanyanya kugadzikana, zvichikonzera kushoma kwechiratidzo kudonha uye kuve nechokwadi chenguva refu yekuyerwa kuvimbika.
5. Zviri nyore Kushandisa:
   • Kazhinji plug-uye-kutamba, isina nguva yakareba yepolarization inodiwa mushure mekutanga; yakagadzirira kuyerwa pakarepo.

Zvakaipa:

• Yakakwira Yekutanga Mutengo: Kazhinji inodhura kupfuura yechinyakare membrane electrode sensors.
• Fluorescent Membrane ine Finite Lifespan: Kunyangwe inogara kwenguva refu (kazhinji makore 1-3), iyo membrane inozopedzisira yasvibisa kana kusvibiswa uye inoda kutsiviwa.
• Zvinogona Kusvibiswa neMafuta uye Algae: Kuremerwa kwemafuta kana biofouling pane sensor surface kunogona kukanganisa kufara kwechiedza uye kugamuchira, zvinoda kuchenesa.

2. Mamiriro Ekushandisa

Nekuda kwehunhu hwawo hwakanaka, ma sensor akanyungudika eokisijeni anoshandiswa zvakanyanya munzvimbo dzakasiyana siyana zvinoda kuenderera uye kwakanyatso DO yekutarisa:

1. Wastewater Treatment Plants:
   • A yakakosha application. Inoshandiswa kutarisisa DO mumatangi eaeration uye aerobic/anaerobic zones kukwirisa aeration, ichigonesa kudzora chaiko kwekuchengetedza simba uye nekuvandudza kurapwa kwakanaka.
2. Natural Water Body Monitoring (Nzizi, Madziva, Madhamu):
   • Inoshandiswa muzviteshi zvekutarisa zvakatipoteredza kuongorora kugona kwemuviri wemvura kuzvichenura, mamiriro eutrophication, uye inogona hypoxia, ichipa data rekuchengetedza ecological.
3. Aquaculture:
   • DO ndiyo nzira yehupenyu ye aquaculture. Optical sensors inogonesa 24/7 yekutarisa mumadziva nematangi. Ivo vanogona kukonzeresa maaramu uye otomatiki maaerators kana mazinga aderera zvakanyanya, kudzivirira hove kuuraya uye kuchengetedza kugadzirwa.
4. Tsvagiridzo yeSainzi:
   • Inoshandiswa muoceanographic ongororo, limnological zvidzidzo, uye ecotoxicology kuyedza uko yakakwirira-chaiyo, yakaderera-inopindira DO data yakakosha.
5. Industrial Process Water:
   • Mune masisitimu akaita semagetsi chirimwa uye makemikari chirimwa inotonhorera mvura, kutarisa DO kudzora ngura uye biofouling.

3. Chidzidzo Chekushandisa muPhilippine

Senyika yezvitsuwa, hupfumi hwePhilippine hunovimba zvakanyanya nekurima kwemvura uye kushanya, ukuwo uchitarisana nematambudziko ekusvibiswa kwemvura kubva kumaguta. Nokudaro, kutarisa kwehutano hwemvura, kunyanya kumhepo yakanyunguduka, yakakosha zvikuru.

Nyaya Yechidzidzo: Smart DO Monitoring uye Aeration System muLaguna de Bay Aquaculture Zones

Background:
Laguna de Bay ndiro dziva hombe muPhilippine, nenzvimbo dzakapoteredzwa dzakakosha kune aquaculture, kunyanya yeTilapia neMilkfish (Bangus). Nekudaro, dziva iri rinotarisana nekutyisidzirwa kubva kune eutrophication. Mumwedzi inopisa yezhizha, kupatsanurwa kwemvura kunogona kutungamirira ku hypoxia muzvikamu zvakadzika, zvinowanzokonzera hove huru inouraya ("hove inouraya"), zvichiita kuti varimi varasikirwe nehupfumi.

Application Solution:
The Bureau of Fisheries and Aquatic Resources (BFAR), yakabatana nehurumende dzemunharaunda, yakakurudzira kushandiswa kwehungwaru hwekutarisa kunaka kwemvura uye kudzora sisitimu yakavakirwa pane yakanyungudika maokisijeni sensors mumapurazi makuru ekutengesa nenzvimbo dzakakosha dzedhamu.

Sistimu Zvikamu uye Kufambiswa kwebasa:

1. Monitoring Nodes: Multi-parameter mvura yemhando yebhuoys yakashongedzwa neOptical DO sensors yakaiswa munzvimbo dzakasiyana mumadziva ehove (kunyanya munzvimbo dzakadzika) nenzvimbo dzakakosha mudhamu. Aya masensa akasarudzwa nekuti:
   • Yakaderera Maintenance: Kushanda kwavo kwenguva refu-yemahara kwakanakira nzvimbo dzine vashoma tekinoroji vashandi.
   • Resistance to Interference: Kusanyanya kutadza kutadza kubva mukusvibiswa mumvura yakapfuma uye ine turbid aquaculture mvura.
   • Real-time Data: Inokwanisa kupa data miniti yega yega, ichibvumira kukurumidza kuona kwekamwe kamwe DO madonhwe.
2. Kufambiswa Kwedata: Sensor data inofambiswa munguva chaiyo kuburikidza newaya isina waya (semuenzaniso, GPRS/4G kana LoRa) kupuratifomu yegore uye nhare dzevarimi.
3. Kudzora kwakangwara uye Yambiro yepakutanga:
   • Platform Side: Iyo gore chikuva chakaiswa neDO alarm zvikumbaridzo (semuenzaniso, pazasi 3 mg/L).
   • Rutivi rweMushandisi: Varimi vanogashira zvinonzwika / zvinoonekwa zviziviso, SMS, kana zviziviso zveapp.
   • Otomatiki Kudzora: Iyo sisitimu inogona kuita otomatiki maerator kusvika DO mazinga adzoreredzwa kune yakachengeteka renji.

Migumisiro:

• Yakaderedzwa Kufa Kwehove: Yambiro dzekutanga uye otomatiki aeration zvakabudirira kudzivirira hove dzakawanda dzinouraya zviitiko zvinokonzerwa neyakaomarara DO mazinga panguva yehusiku kana mangwanani-ngwanani.
• Kuvandudza Kubudirira Kwekurima: Varimi vanogona kubata kudya uye kufefetera zvakanyanya nesainzi, kuderedza mitengo yemagetsi (nekunzvenga 24/7盲目 kushanda kwemaaerators) nekuvandudza reshiyo yekushandurwa kwekudya uye kukura kwehove.
• Dhata yeEnvironment Management: Zviteshi zvekuona mudhamu zvinopa BFAR neakareba spatiotemporal DO data, ichibatsira kuongorora eutrophication mafambiro uye kugadzira mamwe esainzi ekutonga dziva marongero.

Pfupiso:
Munyika dzichiri kusimukira dzakaita sePhilippine, uko kurima kwemvura kunotarisana nenjodzi dzakakura uye zvivakwa zvinogona kupikiswa, ma sensor akanyungudika eokisijeni aratidza kuve chishandiso chakanakira tekinoroji yehunyanzvi hwekugadzira aquaculture uye nehungwaru kutonga kwezvakatipoteredza nekuda kwekusimba kwavo, kushomeka kwekuchengetedza, uye kuvimbika kwakanyanya. Ivo havangobatsiri varimi kuderedza njodzi uye kuwedzera mari, asiwo vanopa rutsigiro rwakasimba rwedata rekuchengetedza ecosystem yakakosha yePhilippines yemvura.

Tinogonawo kupa zvakasiyana-siyana mhinduro dze

1. Handheld mita yemhando yemvura yakawanda-parameter

2. Inoyangarara Buoy system yemhando yemvura yakawanda-parameter

3. Otomatiki yekuchenesa brashi kune yakawanda-parameter mvura sensor

4. Yakazara seti yemaseva uye software isina waya module, inotsigira RS485 GPRS / 4g/WIFI/LORA/LORAWAN

Kune mamwe SENSOR ruzivo,

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