I-Optical Dissolved Oxygen Sensors: "Amehlo ahlakaniphileyo" e-Aquaculture, i-Aquaculture kwiXesha elitsha lokuLima ngokufanelekileyo.

Njengoko imveliso ye-aquaculture yehlabathi iqhubeka nokukhula, imodeli yokulima yemveli ijongene nemingeni emininzi equka ulawulo olungasebenziyo lomgangatho wamanzi, ukubeka iliso kwe-oksijini enyibilikileyo ngokungalunganga, kunye nemingcipheko ephezulu yokulima. Kulo mongo, izinzwa zeoksijini ezinyibilikisiweyo zithe zavela, ngokuthe ngcembe zitshintsha izinzwa ze-electrochemical zemveli kunye nezibonelelo zazo zokuchaneka okuphezulu, ukusebenza okungahoyiyo, kunye nokubeka iliso ngexesha lokwenyani, zibe zizixhobo eziyimfuneko kushishino lokuloba olukrelekrele lwangoku. Eli nqaku linika uhlalutyo olunzulu malunga nendlela i-optical disolved oxygen sensors ijongana ngayo neentlungu ze-industry ngokusebenzisa iteknoloji entsha, ibonisa ukusebenza kwabo okugqwesileyo ekuphuculeni ukusebenza kakuhle kwezolimo kunye nokunciphisa imingcipheko ngokusebenzisa iimeko eziphathekayo, kwaye iphonononga amathuba abanzi ale teknoloji ekukhuthazeni ukuguqulwa okuhlakaniphile kwe-aquaculture.

Amanqaku eentlungu zoShishino: Imida yeNdlela yokuHlolwa kwe-Oxygen yesiNtu

Ishishini le-aquaculture kudala lijongene nemingeni ebalulekileyo ekuchithweni kweoksijini echithiweyo, echaphazela ngokuthe ngqo impumelelo yokulima kunye neenzuzo zoqoqosho. Kwiimodeli zokulima zemveli, amafama ngokuqhelekileyo axhomekeke ekuhlolweni kwamachibi okwenziwa ngesandla kunye namava okuvavanya amanqanaba e-oksijini enyibilikileyo emanzini, indlela engasebenzi kakuhle kuphela kodwa inengxaki yokulibaziseka okukhulu. Amafama anamava asenokugweba iimeko ze-hypoxia ngokungangqalanga ngokujonga indlela iintlanzi eziwela phezu kwazo okanye utshintsho kwiindlela zokuzondla, kodwa xa ezi mpawu zibonakala, ilahleko engenakulungiseka kaninzi sele yenzekile. Izibalo zemizi-mveliso zibonisa ukuba kwiifama zemveli ezingenazo iinkqubo zokubeka iliso ezikrelekrele, ukufa kweentlanzi ngenxa ye-hypoxia kunokufikelela kwi-5%.

I-Electrochemical dissolved oxygen sensors, njengabameli beteknoloji yokubeka iliso kwisizukulwana sangaphambili, baye baphucula ukuchaneka kokubeka iliso kwinqanaba elithile kodwa basenemida emininzi. Ezi zinzwa zifuna i-membrane rhoqo kunye nokutshintshwa kwe-electrolyte, okukhokelela kwiindleko eziphezulu zokugcinwa. Ukongeza, baneemfuno ezingqongqo zesantya sokuhamba kwamanzi, kwaye imilinganiselo kwimizila yamanzi engatshintshiyo ithanda ukugqwetheka. Okubaluleke ngakumbi, abenzi boluvo be-electrochemical namava okuhamba komqondiso ngexesha lokusetyenziswa kwexesha elide kwaye bafuna ukulungelelaniswa rhoqo ukuqinisekisa ukuchaneka kwedatha, ukubeka umthwalo owongezelelweyo kulawulo lweefama zemihla ngemihla.

Ukutshintsha komgangatho wamanzi ngesiquphe “ngababulali abangabonakaliyo” kwi-aquaculture, kwaye ukuguquguquka okukhulu kweoksijini enyibilikisiweyo kudla ngokuba ziimpawu zokuqala zokuhla komgangatho wamanzi. Ngexesha elitshisayo okanye utshintsho lwemozulu ngesiquphe, amanqanaba eoksijini anyibilikileyo emanzini anokwehla ngokukhawuleza ngexesha elifutshane, okwenza kube nzima kwiindlela zokubeka iliso zemveli ukubamba olu tshintsho ngexesha. Imeko eqhelekileyo yenzeke kwiBaitan Lake Aquaculture Base kwisiXeko saseHuanggang, kwiPhondo laseHubei: ngenxa yokusilela ukufumanisa ngokukhawuleza amanqanaba eoksijini anyibilikileyo, isiganeko sequbuliso se-hypoxic sabangela ilahleko ephantse iphelele kwiihektare zamachibi eentlanzi, okubangele ilahleko yezoqoqosho ngokuthe ngqo engaphezulu kwesigidi esinye seyuan. Iziganeko ezifanayo zenzeka rhoqo kulo lonke ilizwe, ziqaqambisa iintsilelo zeendlela zokubeka iliso ze-oksijini eziqhelekileyo ezichithwe.

Ukwenziwa kwezinto ezintsha kwitekhnoloji yokuhlola ioksijini enyibilikileyo ayisekho nje malunga nokuphucula ukusebenza kakuhle kwezolimo kodwa malunga nophuhliso oluzinzileyo lweshishini lonke. Njengoko ingxinano yokulima iqhubeka nokukhula kwaye iimfuno zokusingqongileyo ziba ngqongqo, imfuno yeshishini echanekileyo, ixesha lokwenyani, kunye nokugcinwa okuphantsi kwetekhnoloji yokuhlola ioksijini enyibilikileyo ikhula ngokungxamisekileyo. Kungenxa yale mvelaphi ukuba i-optical dissolved ioksijini izinzwa, kunye neenzuzo zazo ezizodwa zobugcisa, ziye zangena ngokuthe ngcembe kwindawo yombono we-aquaculture ye-aquaculture kwaye zaqalisa ukuhlengahlengisa indlela yoshishino yokulawula umgangatho wamanzi.

Ukuphumelela kweTekhnoloji: Imigaqo yokuSebenza kunye nezinto eziluncedo eziBalulekileyo kwiiSensors ze-Optical

Itekhnoloji engundoqo ye-optical dissolved oxygen sensors isekelwe kumgaqo wokucima i-fluorescence, indlela yokulinganisa entsha eguqule ngokupheleleyo i-oxygen echithwe esweni. Xa ukukhanya okuluhlaza okwesibhakabhaka kukhutshwe yi-sensor kukhanyisa i-fluorescent ekhethekileyo, into leyo iyavuya kwaye ikhupha ukukhanya okubomvu. Iimolekyuli zeoksijini zinekhono elikhethekileyo lokuthwala amandla (ukuvelisa umphumo wokucima), ngoko ke amandla kunye nobude bokukhanya okubomvu okukhutshwayo kuhambelana ngokungafaniyo nokuxinana kweemolekyuli ze-oksijini emanzini. Ngokulinganisa ngokuchanekileyo umahluko wesigaba phakathi kokukhanya okubomvu okuvuyisayo kunye nokukhanya kwereferensi kunye nokuthelekisa kunye namaxabiso okulinganisa angaphakathi, inzwa ingabala ngokuchanekileyo i-oxygen concentration ye-oxygen emanzini. Le nkqubo yomzimba ayibandakanyi ukusabela kweekhemikhali, ukuphepha iingxaki ezininzi zeendlela eziqhelekileyo ze-electrochemical.

Xa kuthelekiswa nezinzwa ze-electrochemical zemveli, i-optical dissolved oxygen sensors ibonisa iinzuzo zobugcisa ezibanzi. Eyokuqala yimpawu zabo ezingasebenzisi i-oksijeni, oku kuthetha ukuba abanayo imfuneko ekhethekileyo yokuhamba kwamanzi okanye ukuphazamiseka, okwenza ukuba bafaneleke kwiindawo ezahlukeneyo zokulima-nokuba amachibi amileyo okanye amatanki ahambayo anokubonelela ngeziphumo ezichanekileyo zokulinganisa. Okwesibini ngumsebenzi wabo obalaseleyo wokulinganisa: isizukulwana samva nje se-optical sensors sinokufikelela amaxesha okuphendula angaphantsi kwemizuzwana ye-30 kunye nokuchaneka kwe-± 0.1 mg / L, okubenza bakwazi ukuthatha utshintsho olufihlakeleyo kwi-oksijini echithwe. Ukongeza, ezi zivamvo zidla ngokubonisa uyilo lonikezelo lombane obanzi (DC 10-30V) kwaye zixhotyiswe ngonxibelelwano lwe-RS485 oluxhasa iprothokholi yeMODBUS RTU, izenza kube lula ukudibanisa kwiinkqubo ezahlukeneyo zokubeka iliso.

Ukusebenza kwexesha elide lokungakhathali yenye yezona zinto zidumileyo ze-optical dissolved oxygen sensors phakathi kwamafama. Iinzwa zemveli ze-electrochemical zifuna i-membrane rhoqo kunye nokutshintshwa kwe-electrolyte, ngelixa i-optical sensors isusa ngokupheleleyo ezi zinto zokusetyenziswa, kunye nobomi benkonzo obungaphezu konyaka omnye, ukunciphisa kakhulu iindleko zokugcinwa kwemihla ngemihla kunye nomthwalo womsebenzi. Umalathisi wezobugcisa wesikhululo esikhulu sokujikeleza kwezilwanyana zasemanzini eShandong wathi: “Ukususela oko siye satshintshela kwizivamvo zeoksijini ezinyibilikisiweyo, abasebenzi bethu abalungisayo baye bonga iiyure ezingama-20 ngenyanga xa begcina isivamvo, yaye uzinzo lwedatha luye lwaphucuka kakhulu.

Ngokumalunga noyilo lwe-hardware, i-optical optical dissolved oxygen sensors nayo iqwalasela ngokupheleleyo iimpawu ezikhethekileyo zeendawo zasemanzini. Izithintelo ezikumgangatho ophezulu wokukhusela (ngokuqhelekileyo zifikelela kwi-IP68) zithintela ngokupheleleyo ukungena kwamanzi, kwaye i-bottom yenziwe nge-316 yensimbi engenasici, enika ukuchasana kwexesha elide kwityuwa kunye ne-alkali corrosion. Abenzi boluvo bahlala bexhotyiswe nge-NPT3/4 yojongano oludityanisiweyo ukuze kube lula ukufakela kunye nokulungiswa, kunye nokufakelwa kombhobho ongenwe ngamanzi ukulungiselela iimfuno zokubeka iliso kubunzulu obahlukeneyo. Ezi nkcukacha zoyilo ziqinisekisa ukuthembeka kunye nokuqina kwezinzwa kwiindawo ezintsonkothileyo zokulima.

Ngokucacileyo, ukongezwa kwemisebenzi yobukrelekrele kuye kwaphucula ngakumbi ukusebenza kwe-optical dissolved oxygen sensors. Iimodeli ezininzi ezintsha zinee-transmitters ezakhelwe ngaphakathi kunye nembuyekezo yobushushu obuzenzekelayo, ukunciphisa ngokufanelekileyo iimpazamo zokulinganisa ezibangelwa ukuguquguquka kobushushu bamanzi. Ezinye iimveliso eziphezulu zinokuthumela idatha ngexesha langempela ngeBluetooth okanye i-Wi-Fi kwii-apps zeselula okanye iiplatifomu zefu, ezivumela ukubeka iliso kude kunye nemibuzo yedatha yembali. Xa amanqanaba e-oksijini enyibilikisiweyo edlula amanqanaba akhuselekileyo, inkqubo ithumela ngokukhawuleza izilumkiso ngezaziso zokutyhala ngeselfowuni, imiyalezo ebhaliweyo, okanye izindululo zelizwi. Olu thungelwano lokubeka iliso olukrelekrele luvumela amafama ukuba ahlale enolwazi malunga neemeko zomgangatho wamanzi kwaye athathe amanyathelo okuthintela kwangethuba, naxa engekho kwindawo.

Olu phuculo lwenkqubela phambili kwitekhnoloji ye-optical dissolved oxygen sensor ayithethi nje kuphela kwiintlungu zeendlela zokubeka iliso zendabuko kodwa inikezela ngenkxaso yedatha ethembekileyo yokulawulwa okucokisekileyo kwe-aquaculture, esebenza njengeentsika ezibalulekileyo zobuchwepheshe ekukhuthazeni uphuhliso lweshishini ngokubhekiselele kwingqiqo kunye nokuchaneka.

Iziphumo zeSicelo: Indlela i-Optical Sensors ephucula ngayo ukuFama ngokuSebenzayo

I-Optical dissolved oxygen sensors ifumene iziphumo eziphawulekayo kwizicelo ezisebenzayo ze-aquaculture, kunye nexabiso labo eliqinisekisiwe kwiinkalo ezininzi, ukusuka ekuthinteleni ukufa kwabantu abaninzi ukuya ekwandiseni isivuno kunye nomgangatho. Icala elimele ngokukhethekileyo yi-Baitan Lake Aquaculture Base kwiSithili sase-Huangzhou, kwiSithili sase-Huanggang, kwiPhondo lase-Hubei, apho ii-monitor ezisibhozo ze-360-degree zemozulu yonke kunye ne-optical dissolved oxygen sensors zafakwa, ezigubungela iihektare ezingama-2,000 zamanzi kuwo wonke amachibi eentlanzi angama-56. Igcisa uCao Jian wachaza: “Ngokusebenzisa idatha yokwenyani yokuhlola kwiscreen se-elektroniki, sinokubona ngokukhawuleza izinto ezingaqhelekanga.” Ngokomzekelo, xa inqanaba leoksijini enyibilikileyo kwindawo yokuHlola yoku-1 ibonisa i-1.07 mg/L, nangona amava esenokubonisa ukuba ngumba wophando, sisazisa ngoko nangoko amafama ukuba ajonge, siqinisekise ukhuseleko olupheleleyo.” Le ndlela yokuhlola ixesha lokwenyani incede isiseko siphephe ngempumelelo iingozi ezininzi zokuguqulwa kwamachibi ezibangelwa yi-hypoxia. Igqala lokuloba uLiu Yuming lathi: “Ngaphambili, besinexhala ngehypoxia nanini na kunetha yaye sasingakwazi ukulala kakuhle ebusuku.” Ngoku, ngala ‘mehlo e-elektroniki,’ amagcisa asazisa ngayo nayiphi na inkcazelo engaqhelekanga, nto leyo esivumela ukuba sithabathe amanyathelo okhuseleko kwangethuba.