Fluorescence yakanyungudutswa okisijeni mita chiridzwa chinoshandiswa kuyera huwandu hweokisijeni yakanyungudika mumvura. Okisijeni yakanyungudutswa ndeimwe yeakakosha ma parameter mumiviri yemvura. Iine simba rakakosha pakurarama nekuberekana kwezvipenyu zvemumvura. Ichowo chimwe chezviratidzo zvakakosha zvekuyera kunaka kwemvura. Iyo fluorescence yakanyungudutswa mita yeokisijeni inosarudza iyo yakanyungudika oksijeni kuzara mumvura nekuyera kusimba kweiyo fluorescence chiratidzo. Iyo ine hukuru hwekunzwa uye huchokwadi uye inoshandiswa zvakanyanya mukutarisa kwezvakatipoteredza, kuongororwa kwemhando yemvura, aquaculture uye mamwe minda. Ichi chinyorwa chinozivisa zvakadzama musimboti wekushanda, kuumbwa kwechimiro, mashandisirwo uye mashandisirwo eiyo fluorescence yakanyungudika okisijeni mita mundima dzakasiyana.
1. Kushanda musimboti
Nheyo yekushanda ye fluorescence yakanyungudika okisijeni mita yakavakirwa pakudyidzana pakati peokisijeni mamorekuru uye fluorescent zvinhu. Pfungwa huru ndeyekufadza zvinhu zvefluorescent kuitira kuti kusimba kwechiratidzo chefluorescent chavanoburitsa chienzane nekunyunguduka kweokisijeni mumvura. Iyi inotevera rondedzero yakadzama yemusimboti wekushanda we fluorescence yakanyungudika okisijeni mita:
1. Fluorescent zvinhu: Oxygen-sensitive fluorescent substances, zvakadai seoxygen-sensitive fluorescent dyes, inowanzoshandiswa mu fluorescence yakanyungudutswa oxygen mamita. Izvi zvinhu zvefluorescent zvine high fluorescence intensity mukushayikwa kweokisijeni, asi kana okisijeni iripo, okisijeni ichaita kemikari nezvinhu zvefluorescent, zvichiita kuti simba refluorescence ripere simba.
2. Chiedza chechiedza chekusimudzira: Fluorescence yakanyungudutswa okisijeni metres anowanzo kuve akashongedzerwa nemwenje wekunakidzira sosi kufadza zvinhu zvefluorescent. Ichi chinosimudzira mwenje sosi chinowanzo ari LED (mwenje emitting diode) kana laser yeimwe wavelength. Iyo wavelength yechinhu chinosimudzira chiedza chinowanzosarudzwa mukati mekutora wavelength yechinhu chefluorescent.
3. Fluorescence detector: Pasi pechiito chechiedza chekusimudzira, chinhu chefluorescent chichabudisa chiratidzo chefluorescence, iyo intensity iyo inopesana nekuenzanisa nemhepo yakanyunguduka yeokisijeni mumvura. Fluorometric yakanyungudutswa okisijeni mita ine fluorescence detector kuyera kusimba kweiyi chiratidzo chefluorescent.
4. Oxygen concentration calculation: Kusimba kwechiratidzo chefluorescence chinogadziriswa nedunhu mukati mechiridzwa, uye zvino chinoshandurwa kuva kukosha kwekugadziriswa kweokisijeni yakanyungudika. Kukosha uku kunowanzo kuratidzwa mumamirigiramu parita (mg/L).
2. Kuumbwa kwemaitiro
Iko kuumbwa kweiyo fluorescence yakanyungudika okisijeni mita inowanzo sanganisira zvinotevera zvikamu zvikuru:
1. Musoro we sensor: Musoro we sensor ndiyo chikamu chinosangana nemuenzaniso wemvura. Iyo inowanzo sanganisira yakajeka fluorescent optical fiber kana fluorescent diaphragm. Izvi zvikamu zvinoshandiswa kugadzirisa zvinhu zvefluorescent. Musoro we sensor unoda dhizaini yakasarudzika kuti ive nechokwadi chekuti fluorescent chinhu chakabatana zvizere nesamu yemvura uye haina kukanganiswa nechiedza chekunze.
2. Excitation light source: The excitation light source inowanzowanikwa pamusoro pechiridzwa chacho. Inotumira chiedza chekusimudzira kune musoro we sensor kuburikidza ne optical fiber kana optical fiber kuti inakidze fluorescent zvinhu.
3. Fluorescence detector: Mucherechedzo wefluorescence uri panzvimbo yezasi yechiridzwa uye inoshandiswa kuyera kusimba kwechiratidzo chefluorescence chakabudiswa kubva mumusoro we sensor. Fluorescence detectors inowanzobatanidza photodiode kana photomultiplier tube, iyo inoshandura zviratidzo zvemaziso kuva zviratidzo zvemagetsi.
4. Chiratidzo chekugadzirisa chikwata: Chimbo chacho chine chikwata chekugadzirisa zviratidzo, chinoshandiswa kushandura kusimba kwechiratidzo chefluorescence kuva kukosha kwekugadziriswa kweokisijeni yakanyungudutswa, uye kuiratidza pachiratidziro chechiridzwa kana kuibuditsa kukombiyuta. kana mudziyo wekurekodha data.
5. Dhipatimendi rekutonga: Chikwata chekutonga chinoshandiswa kugadzirisa maitiro ekushanda kwechiridzwa, zvakadai sekusimba kwechiedza chekusimudzira chiedza, kuwana kwefluorescence detector, nezvimwewo. Iyi mitemo inogona kugadziriswa sezvinodiwa kuti ivimbise yakarurama yakanyungudutswa okisijeni. zviyero zvekuisa pfungwa.
6. Kuratidza uye kushandiswa kwevashandisi: Fluorescence yakanyungudutswa okisijeni mamita inowanzogadzirirwa ne-user-friendly display uye kushandiswa kwekushanda kwekuratidzira migumisiro yekuyera, kuisa mitemo uye kushandisa chiridzwa.
3. Mashandisiro
Yakanyungudika okisijeni kuyera kuyerwa uchishandisa fluorescence yakanyungudika okisijeni mita kazhinji inosanganisira anotevera matanho:
1. Kugadzirira chiridzwa: Kutanga, ita shuwa kuti chiridzwa chiri mumamiriro ekushanda. Tarisa kuti mwenje wemanyawi uye chidhina chefluorescence zviri kushanda nemazvo, nguva nezuva chakayerwa chiridzwa, uye kuti chinhu chefluorescent chinoda kuchinjwa here kana kubatanidzwazve.
2. Sample collection: Unganidza sampu yemvura kuti iongororwe uye iva nechokwadi chekuti sampu yacho yakachena uye haina tsvina nemabhuru. Kana zvichidikanwa, sefa inogona kushandiswa kubvisa zvakaturikwa zvakasimba uye tunhu tunhu.
3. Sensor installation: Nyatsonyudza musoro we sensor mumvura sampuli kuti uve nechokwadi chekubatana kwakazara pakati pechinhu chefluorescent uye sampuli yemvura. Dzivisa kusangana pakati pemusoro we sensor nemadziro emidziyo kana pasi kuti udzivise zvikanganiso.
4. Kutanga kuyerwa: Sarudza Kutanga Kuyera pane iyo control interface yechiridzwa. Chiridzwa chacho chinozongofadza chinhu chefluorescent uye kuyera kusimba kwechiratidzo chefluorescent.
5. Kurekodha data: Mushure mekunge kuyerwa kwapera, chiridzwa chicharatidza kuyerwa kwemhedzisiro yekunyungudika oksijeni. Mhedzisiro inogona kurekodhwa mune yakavakirwa-mukati ndangariro pane chiridzwa, kana data inogona kutumirwa kune yekunze chishandiso chekuchengetedza uye kuongororwa.
6. Kuchenesa nekugadzirisa: Mushure mekuyera, chenesa musoro we sensor munguva kuti udzivise fluorescent zvinhu zvakasara kana kusvibiswa. Calibrate chiridzwa nguva nenguva kuti utarise kuita kwacho uye kugadzikana kuti uve nechokwadi chekuyera mhedzisiro.
4. Minda yekushandisa
Fluorescence yakanyungudika okisijeni mita inoshandiswa zvakanyanya muminda yakawanda. Aya anotevera mamwe makuru ekushandisa minda:
1. Kutarisisa kwezvakatipoteredza: Fluorescence yakanyungudutswa okisijeni mamita anoshandiswa kutarisa yakanyungudika oksijeni kuzara mumvura yakasikwa yemvura, nzizi, madziva, nyanza nedzimwe mvura kuongorora kunaka kwemvura yezvitunha zvemvura uye hutano hwezvipenyu.
2. Aquaculture: Mukurima hove uye shrimp, yakanyungudika oksijeni concentration ndiyo imwe yeakakosha paramita. Fluorescence yakanyungudutswa okisijeni metres inogona kushandiswa kutarisa yakanyungudika mweya weokisijeni mumadziva ekuberekesa kana mitumbi yemvura kuve nechokwadi chekurarama uye kukura kwemhuka dzinorimwa. .
3. Kurapa kwemvura: Fluorescence yakanyungudutswa mita yeokisijeni inogona kushandiswa kutarisa kunyungudika kweokisijeni panguva yekurapa kwemvura yakasviba kuti ive nechokwadi chekuti mvura yakasvibiswa inosangana nemitemo yekubuda.
4. Tsvagiridzo yemugungwa: Mutsvakurudzo yesainzi yemugungwa, fluorescence yakanyungudutswa okisijeni metres anoshandiswa kuyera kunyungudika kweokisijeni mumvura yegungwa pakadzika kwakasiyana uye nzvimbo dzekudzidza zvipenyu zvemugungwa uye kutenderera kweokisijeni yemugungwa.
5. Tsvakurudzo yerabhoritari: Fluorescence yakanyungudutswa okisijeni mamita anoshandiswawo zvakanyanya mubiology, ecology uye yezvakatipoteredza tsvagiridzo yesainzi mumarabhoritari kuongorora kuparara kweokisijeni dynamics uye biological reactions pasi pemamiriro akasiyana.
6. Kuzivikanwa kwechigadzirwa: Kusarudza inozivikanwa uye inoremekedzwa fluorescence yakanyungudika okisijeni mita vanogadzira, seYSI, Hach, Lianhua Technology, Thermo Fisher Scientific, nezvimwewo, inogona kuvandudza kuvimbika kwechiridzwa uye hutano hwebasa rekutengesa mushure mekutengesa.
Iyo fluorescence yakanyungudutswa okisijeni mita ndeye yakakwirira-chaiyo, yakakwirira-sevhitivity chiridzwa chinoshandiswa kuyera yakanyungudika mweya weokisijeni mumvura. Nheyo yayo yekushanda yakavakirwa pakudyidzana kwezvinhu zvefluorescent uye okisijeni, uye ine huwandu hwakawanda hwemashandisirwo, kusanganisira kuongorora kwezvakatipoteredza, aquaculture, kurapwa kwemvura, tsvakurudzo yemugungwa uye tsvakurudzo yerabhoritari. Nechikonzero ichi, fluorescence yakanyungudika okisijeni metres inoita basa rakakosha mukuchengetedza kuenzana kwezvisikwa zvemiviri yemvura uye kuchengetedza zviwanikwa zvemvura.
Lianhua inotakurika fluorescent yakanyungudutswa okisijeni chiridzwa LH-DO2M (V11) inoshandisa simbi isina tsvina yakavharwa zvizere maelectrodes, ine mwero usingapindi mvura weIP68. Zviri nyore kushanda uye mubatsiri ane simba mukuona kwetsvina, tsvina uye mvura yerabhoritari. Huyero hweyero yeokisijeni yakanyungudika ndeye 0-20 mg/L. Iko hakuna chikonzero chekuwedzera electrolyte kana kazhinji calibration, izvo zvinoderedza zvakanyanya mari yekuchengetedza.
Nguva yekutumira: Kubvumbi-12-2024
