Izicelo ze-UV-C ze-LED ku-Water Disinfection

Ubuchwepheshe bokuhlanza amanzi obuhlukahlukene kubandakanya Ukubulawa kwamanzi kwe-UV  zakhiwe ngenxa yesidingo esikhulayo samanzi okuphuza ahlanzekile. Eminyakeni yakamuva, ubuchwepheshe be-LED be-Ultraviolet-C (UV-C) buye bathola intshisekelo enkulu ngokusetshenziswa kwabo okungaba khona ekuhlanzeni amanzi aphuzwayo. Lobu buchwepheshe bunezinzuzo eziningi ngaphezu kwamalambu e-UV asekelwe ku-mercury, okuhlanganisa ukusebenza kahle kwamandla, izindleko eziphansi zokusebenza, kanye nendawo encane yemvelo. Lesi sihloko sinikeza umhlahlandlela ophelele wezinhlelo zokusebenza ze-UV-C ze-LED ekulungiseni amanzi aphuzwayo.

Ubuchwepheshe be-UV-C LED

Imisebe ye-UV-C iwuhlobo lwemisebe kagesi enobude obusuka ku-200 kuya ku-280 nanometer. Ngokuqeda i-DNA yama-microorganisms afana namagciwane, amagciwane, kanye ne-protozoa, iphumelela kakhulu ekubulaleni amagciwane emanzini. Amalambu e-UV endabuko akhiqiza imisebe ye-UV-C esebenzisa umhwamuko we-mercury. Amalambu asekelwe kuMercury anezingqinamba eziningi, okuhlanganisa ukusetshenziswa kakhulu kwamandla, ubungozi bemvelo, kanye nesidingo sokushintshwa ngezikhathi ezithile.

Ngokuphambene, ubuchwepheshe be-UV-C LED busebenzisa okokusebenza kwe-semiconductor ukukhiqiza imisebe ye-UV-C. Ama-LED awonga amandla futhi ahlala isikhathi eside kunezibani ze-UV ezivamile. Ukwengeza, lawa ma-LED awanayo i-mercury, okuwenza athandeke kakhulu emvelweni. Ngaphezu kwalokho, zingaklanywa ukuthi zikhiphe ubude begagasi obuthile, okuvumela ukulawula okukhulu phezu kwenqubo yokubulala amagciwane.

Izicelo zama-LEDs e-UV-C ekuhlanzeni amanzi okuphuza

Ubuchwepheshe be-UV-C LED bunezicelo eziningi ekwelapheni amanzi aphuzwayo, okuhlanganisa:

Ukubulala amagciwane

Ukubulala amagciwane wuhlelo olusetshenziswa kakhulu lobu buchwepheshe ekulungiseni amanzi okuphuza. Isebenza kakhulu kunezinye Ukubulawa kwamanzi kwe-UV Imisebe ye-UV-C iphumelela ngendlela emangalisayo ekubhubhiseni i-DNA yamagciwane amancane afana namagciwane, amagciwane, kanye ne-protozoa, iwenze angakwazi ukuzala nokulimala. Imisebe ye-UV-C ingena kulwelwesi lwamangqamuzana amagciwane bese ilimaze i-DNA yawo, iwavimbele ekuziphindaphindeni nasekusakazeni izifo.

Imisebe ye-UV-C ayikhiqizi i-disinfection by-products (DBPs) eyingozi futhi ayishintshi ukunambitheka, umbala, noma iphunga lamanzi, ngokungafani ne-chlorine, evame ukusetshenziselwa ukubulala amagciwane emanzini. Imisebe ye-UV-C iphumelela ngokuphawulekayo emagciwaneni angena emanzini amelana ne-chlorine njenge-Cryptosporidium ne-Giardia. Amasistimu e-UV-C LED angaklanywa ukuletha umthamo odingekayo wokubulala amagciwane okusebenzayo emanzini.

Ukushintsha kwe-TOC

Ingqikithi ye-organic carbon (TOC) yamanzi iyisilinganiso sokuqukethwe kwawo kwemvelo. Ukugxila okuphezulu kwe-TOC kungaholela ekwakhekeni kwama-DBP, ayingozi empilweni yomuntu. Ngokudiliza izinhlanganisela eziphilayo zibe ama-molecule amancane, angayingozi kangako, ubuchwepheshe be-UV-C LED bungasetshenziswa ukunciphisa amazinga e-TOC emanzini. Imisebe ye-UV-C ingadiliza izibopho zamakhemikhali kumakhompiyutha ezinto eziphilayo, okuholela ekwakhekeni kwama-molecule angeyona ingozi, alula.

Ubuchwepheshe be-UV-C LED busebenza kahle kakhulu ekususeni ama-humic nama-fulvic acid, okudume kanzima ukuwaqeda ngezindlela zokwelashwa ezijwayelekile. Ukuba khona kwalezi zinhlanganisela eziphilayo emanzini angaphezulu kungaba nomthelela ekwakhekeni kwe-DBPs. Ngokunciphisa amazinga e-TOC emanzini, ubuchwepheshe be-UV-C LED bungasiza ekuvimbeleni ukwakheka kwama-DBP ayingozi.

Ukulawula Ukunambitha Nephunga

Ubuchwepheshe be-UV-C LED bungasetshenziswa ukulawula ukunambitheka nephunga lamanzi ngokususa izinhlanganisela eziphilayo ezinesibopho salezi zimfanelo. Izinhlanganisela ezithile zemvelo, okuhlanganisa i-geosmin kanye ne-2-methylisoborneol (MIB), zinesibopho sokunambitheka okunomhlaba kanye nephunga lamanzi. Lezi zinhlanganisela eziphilayo zingonakaliswa yimisebe, ngaleyo ndlela kuthuthukiswe ukunambitheka kanye nephunga lamanzi.

Lobu buchwepheshe busebenza kahle kakhulu ekwelapheni amanzi ngokugxila okukhulu kwe-geosmin ne-MIB, okunzima ukukuqeda ngezindlela zokwelashwa ezijwayelekile. Ngokulawula ukunambitheka kanye nephunga lamanzi, kungakhuphula ukuzethemba kwabathengi ngekhwalithi yamanzi okuphuza.

Izinqubo Ezithuthukisiwe Ze-Oxidation (AOPs)

Ngokuhambisana nezinqubo ezithuthukisiwe ze-oxidation (AOPs), ubuchwepheshe be-UV-C LED bungasetshenziswa ukulungisa amanzi aqukethe ukungcola okuphilayo okuqhubekayo (ama-POP). Ama-AOP ahlanganisa ukukhiqizwa kwama-hydroxyl radicals asebenza kakhulu, angehlisa izinga lezinto eziphilayo eziyinkimbinkimbi zibe ama-molecule alula, angenabungozi kangako. Lobu buchwepheshe bungasetshenziswa ukukhiqiza imisebe ye-UV-C edingekayo ukuze kusebenze ama-AOP.

Inhlanganisela yobuchwepheshe be-UV-C LED kanye nama-AOPs ingasebenza kahle kakhulu ekwelapheni amanzi aqukethe imithi, imikhiqizo yokunakekela komuntu siqu, nokunye ukungcola okuvelayo okungakwazi ukususwa ngempumelelo ngezindlela zokwelashwa ezivamile. Isebenza kakhulu ezindaweni lapho imisebenzi yabantu inomthelela emithonjeni yamanzi, njengezindawo zasemadolobheni.

Ukucatshangelwa kwe-UV-C LED System Design

Ukuklama uhlelo lwe-UV-C lwe-LED lokwelashwa kwamanzi okuphuza kudinga ukucatshangelwa ngokucophelela kwezinto eziningi, okuhlanganisa:

Okukhiphayo kwe-UV-C LED

Lesi yisici esibalulekile sokusebenza kwesistimu ekubulaleni amagciwane emanzini. Okukhishwayo kwesistimu ngokuvamile kukalwa ngama-milliwatts (mW) ngesentimitha lesikwele ngasinye (cm2) futhi kunqunywa inombolo nohlobo lwama-LED e-UV-C asetshenziswayo.

Ukuqinisekisa ukukhishwa okwanele, kubalulekile ukukhetha ama-LEDs ekhwalithi ephezulu e-UV-C aklanyelwe izinhlelo zokusebenza zokuhlanza amanzi. Inombolo yama-LED asetshenziswa ohlelweni kufanele yanele ukuze inikeze ukukhanya okufunayo ngesilinganiso sokugeleza esifiselekayo. Khulisa ukukhanya okuphelele ngokwandisa inani lama-LED noma ngokusebenzisa ama-LED anamandla aphezulu.

Ubude bamazunga

Ubude begagasi bemisebe ye-UV-C buyisici esibalulekile ekunqumeni ukusebenza kahle kwayo ekubulaleni amagciwane emanzini. Ubude obulungile bokubulala amagciwane cishe bungama-254 nm, nakuba amaza amaza aphakathi kuka-200 no-280 nm nawo angasebenza. Ama-LED e-UV-C kufanele akhiphe ukukhanya ngobude obuhlosiwe.

Izinto ezisetshenziswa ukukhiqiza ama-LED, ukwenziwa kwezinto ezisetshenziswayo, kanye nokwakheka kwe-chip ye-LED konke kungathonya ubude begagasi bemisebe ye-UV-C. Kubalulekile ukukhetha ama-LED e-UV-C akhipha imisebe kubude obufunekayo futhi uqinisekise ubude begagasi usebenzisa izindlela zokuhlola ezifanele.

I-Volumetric Flow Rate

Izinga lokuhamba kwamanzi ngohlelo lwe-UV-C LED liyisici esibalulekile ekunqumeni ukusebenza kahle kwesistimu. Ukuze kufezwe izinga elifiswayo lokubulala amagciwane, isistimu kufanele yakhelwe ukuchaya wonke amanzi emisebeni ye-UV-C isikhathi esanele.

Ukuqinisekisa isikhathi esanele sokuchayeka, kubalulekile ukubala isikhathi sokuxhumana esidingekayo ngokusekelwe kuzinga lokugeleza, ubude begumbi le-UV-C LED, kanye nenombolo nokubekwa kwama-LED e-UV-C. Kusetshenziswa ama-valve namaphampu, izinga lokugeleza lingalawulwa ukuze kugcinwe izinga lokugeleza kwamanzi ngaphakathi kwemingcele yokuklama yesistimu ye-LED.

Isikhathi Sokuxhumana

Ubude bokuxhumana phakathi kwamanzi nemisebe ye-UV-C buyisici esibalulekile ekunqumeni ukusebenza kahle kwesistimu. Isikhathi sokuxhumana sithintwa izinga lokugeleza, ubude begumbi le-UV-C LED, kanye nenombolo nokubekwa kwama-UV-C LEDs.

Igumbi le-UV-C LED kumele yakhelwe ukunikeza isikhathi esanele sokuchayeka sokubulala amagciwane emanzini. Ukulungisa ubude begumbi ukuze kufezwe isikhathi sokuxhumana osifunayo. Ukwengeza, inombolo nokuma kwama-LED e-UV-C kungashintshwa ukuze kuqinisekiswe ukuthi wonke amanzi achayeka emisebeni ye-UV-C.

Ukusebenza Kwesistimu

Ukusebenza kwesistimu ye-UV-C LED kuyisici esibalulekile ekunqumeni izindleko zayo zokusebenza. Isistimu kumele yakhelwe ukukhulisa ukusebenza kahle ngokunciphisa ukusetshenziswa kwamandla, ukwehlisa izindleko zokuyilungisa, kanye nokuthuthukisa ukusetshenziswa kwayo.

Ukuze unciphise ukusetshenziswa kwamandla, kubalulekile ukukhetha ama-LED awonga amandla e-UV-C nokuklama isistimu ukuze unciphise ukulahlekelwa ukushisa. Isistimu kufanele yakhelwe ukunciphisa izidingo zokunakekela ngokuhlanganisa izingxenye zekhwalithi ephezulu kanye nezindlela zokuhlanza ezizenzakalelayo, phakathi kwezinye izici. Ukufaka izinzwa nezilawuli zokuqapha ukusebenza kwesistimu futhi ulungise okukhiphayo kwe-UV-C njengoba kudingeka kungathuthukisa ukusetshenziswa kwama-LED e-UV-C.

Ukuqinisekiswa Kwesistimu

Ukusebenza kwesistimu ye-UV-C LED ekubulaleni amagciwane emanzini kufanele kuqinisekiswe kusetshenziswa izindlela ezifanele zokuhlola, njengephrothokholi echazwe ku-USEPA UVDGM (Ultraviolet Disinfection Guidance Manual). Ukwengeza, uhlelo kufanele lwakhiwe ukuze kuqinisekiswe ukuhambisana nezidingo zokulawula ezisebenzayo, njengoMthetho Wamanzi Okuphuza Aphephile.

Ukuqinisekisa ukusebenza kahle kwesistimu ye-UV-C LED, kubalulekile ukwenza ukuhlolwa okudingekayo kusetshenziswa izimiso ezijwayelekile ukuze kuqinisekiswe ukuthi isistimu iyanelisa izindinganiso ezidingekayo zokubulala amagciwane. Ukuqinisekisa ukuthi amanzi ahlanzekile aphephile ukusetshenziswa abantu, isistimu kufanele yakhelwe ukuhambisana nazo zonke izidingo zokulawula ezisebenzayo.

Umugqa Ongezansi

Ubuchwepheshe be-UV-C LED bunikeza izinzuzo ezimbalwa phezu kwezibani ze-UV ezivamile zokwelashwa kwamanzi aphuzekayo, okuhlanganisa ukusebenza kahle kwamandla kakhudlwana, izindleko zokusebenza eziphansi, nomthelela omncane kwezemvelo. Lobu buchwepheshe busebenza ngendlela emangalisayo ekubulaleni amagciwane emanzini nasekulawuleni amazinga e-TOC, ukunambitheka, nephunga. Ingatholwa ifomu Abakhiqizi be-UV led diode njenge I-Tianhui Electric

Izinto ezimbalwa, ezihlanganisa ukuphuma kwe-UV-C LED, ubude beza, izinga lokugeleza, ubude bokuxhumana, ukusebenza kahle kwesistimu, nokuqinisekiswa kwesistimu, kufanele kucatshangelwe ngokucophelela lapho kuklanywa isistimu ye-UV-C LED yokwelapha amanzi okuphuza. Ucwaningo oluthile luye lwabonisa ukusebenza kahle kobuchwepheshe be-UV-C LED ekwelapheni amanzi okuphuza, futhi kulindeleke ukuthi ubuchwepheshe buzothola ukwamukelwa okubanzi eminyakeni ezayo.

Kulabo abathanda ukusebenzisa Ukukhipha amagciwane emanzini e-UV n ngezidingo zabo zokwelashwa komoya namanzi, kunconywa ukusebenzisana nomkhiqizi ohloniphekile wamamojula we-UV LED nama-diode afana ne-Tianhui Electric. Ngokuxhumana I-Tianhui Electric ,a Abakhiqizi abahola i-UV  ungafunda kabanzi ngemikhiqizo yabo futhi uhlele ukubonisana ukuze uxoxe ngezidingo zakho zokubulala amagciwane e-UV.