UV-C LED Applications mu Water Disinfection

Zosiyanasiyana njira zamakono zochizira madzi kuphatikizapo Kudwala matenda a madzi ku UV  apangidwa poyankha kukwera kwa kufunikira kwa madzi akumwa abwino. M'zaka zaposachedwa, ukadaulo wa LED wa Ultraviolet-C (UV-C) wapeza chidwi chachikulu pakugwiritsa ntchito kwake pakuyeretsa madzi amchere. Tekinoloje iyi ili ndi maubwino angapo kuposa nyali wamba za mercury-based UV, kuphatikiza mphamvu zamagetsi, zotsika mtengo zogwirira ntchito, komanso malo ang'onoang'ono achilengedwe. Nkhaniyi ili ndi chiwongolero chokwanira pakugwiritsa ntchito kwa UV-C LED pakukonzanso madzi amchere.

UV-C LED Technology

Ma radiation a UV-C ndi mawonekedwe a ma radiation a electromagnetic okhala ndi kutalika kwa mafunde kuyambira 200 mpaka 280 nanometers. Pochotsa DNA ya tizilombo toyambitsa matenda monga mabakiteriya, mavairasi, ndi protozoa, imakhala yothandiza kwambiri popha tizilombo toyambitsa matenda m'madzi. Nyali zachikhalidwe za UV zimatulutsa kuwala kwa UV-C pogwiritsa ntchito mpweya wa mercury. Nyali zokhala ndi mercury zimakhala ndi zovuta zingapo, kuphatikiza kugwiritsa ntchito mphamvu zambiri, kuwononga chilengedwe, komanso kufunikira kosinthidwa pafupipafupi.

Mosiyana ndi izi, ukadaulo wa UV-C wa LED umagwiritsa ntchito zida za semiconductor kupanga ma radiation a UV-C. Ma LED ndi osavuta kugwiritsa ntchito mphamvu ndipo amakhala nthawi yayitali kuposa nyali zanthawi zonse za UV. Kuphatikiza apo, ma LED awa alibe mercury, kuwapangitsa kukhala abwino kwambiri zachilengedwe. Kuonjezera apo, amatha kupangidwa kuti atulutse utali winawake wa kutalika kwake, kulola kulamulira kwakukulu pa njira yophera tizilombo.

Kugwiritsa Ntchito Ma LED a UV-C Pakuchiritsa Madzi Akumwa

Ukadaulo wa UV-C wa LED uli ndi ntchito zingapo pochiza madzi amchere, kuphatikiza:

Kupha tizilombo toyambitsa matenda

Kupha tizilombo toyambitsa matenda ndi njira yofala kwambiri yogwiritsira ntchito ukadaulo uwu pakuwongolera madzi akumwa. Ndiwothandiza kwambiri kuposa ena Kudwala matenda a madzi ku UV Ma radiation a UV-C ndi othandiza kwambiri powononga DNA ya tizilombo toyambitsa matenda monga mabakiteriya, mavairasi, ndi protozoa, zomwe zimapangitsa kuti asathe kubereka komanso kuvulaza. Ma radiation a UV-C amalowa m'maselo a tizilombo tating'onoting'ono ndikuwononga DNA yawo, kuwalepheretsa kubwereza ndikufalitsa matenda.

Ma radiation a UV-C sapanga mankhwala ophera tizilombo toyambitsa matenda (DBPs) ndipo sasintha kununkhira, mtundu, kapena fungo lamadzi, mosiyana ndi chlorine, yomwe imagwiritsidwa ntchito kwambiri popha tizilombo toyambitsa matenda m'madzi. Ma radiation a UV-C ndiwothandiza kwambiri polimbana ndi tizilombo toyambitsa matenda tosamva ku chlorine m'madzi monga Cryptosporidium ndi Giardia. Makina a UV-C a LED amatha kupangidwa kuti apereke mlingo wofunikira pakupha tizilombo toyambitsa matenda m'madzi.

Kusintha kwa mtengo wa TOC

Mulingo wa organic carbon (TOC) wamadzi ndi muyeso wa zomwe zili mu organic. Kuchulukira kwa TOC kumatha kupangitsa kuti ma DBP apangidwe, omwe amawononga thanzi la munthu. Pophwanya ma organic organic kukhala mamolekyu ang'onoang'ono, osavulaza, ukadaulo wa UV-C wa LED ungagwiritsidwe ntchito kuchepetsa milingo ya TOC m'madzi. Ma radiation a UV-C amatha kuthyola zomangira zamakemikolo m'magulu achilengedwe, zomwe zimapangitsa kuti pakhale mamolekyu ochepa owopsa, osavuta.

Ukadaulo wa UV-C wa LED ndiwothandiza makamaka pakuchotsa ma humic ndi fulvic acid, omwe amadziwika kuti ndi ovuta kuwachotsa ndi njira zochiritsira wamba. Kukhalapo kwa mankhwala opangidwa ndi organic awa m'madzi apamwamba kungathandize kupanga DBPs. Pochepetsa milingo ya TOC m'madzi, ukadaulo wa UV-C wa LED ungathandize kupewa kupanga ma DBP owopsa.

Kuwongolera Kukoma ndi Kununkhira

Ukadaulo wa UV-C wa LED ungagwiritsidwe ntchito kuwongolera kakomedwe ndi fungo lamadzi pochotsa ma organic compounds omwe amachititsa izi. Mankhwala ena, kuphatikizapo geosmin ndi 2-methylisoborneol (MIB), amachititsa kuti madzi amve bwino komanso amanunkhira. Izi organic mankhwala akhoza kuonongeka ndi cheza, potero kusintha kukoma ndi fungo la madzi.

Tekinolojeyi imakhala yothandiza kwambiri pochiza madzi okhala ndi geosmin ndi MIB ambiri, omwe ndi ovuta kuwachotsa ndi njira zochiritsira zochiritsira. Mwa kuwongolera kakomedwe ndi fungo la madzi, zitha kukulitsa chidaliro cha ogula pamtundu wamadzi akumwa.

Advanced Oxidation Processes (AOPs)

Molumikizana ndi njira zapamwamba za oxidation (AOPs), ukadaulo wa UV-C wa LED ungagwiritsidwe ntchito kukonzanso madzi okhala ndi zoipitsa zosalekeza (POPs). Ma AOP amaphatikiza kupanga ma hydroxyl radicals, omwe amatha kusokoneza zinthu zovuta kukhala mamolekyu osavuta, osawopsa. Ukadaulowu utha kugwiritsidwa ntchito kupanga ma radiation a UV-C ofunikira kuyambitsa ma AOP.

Kuphatikizika kwaukadaulo wa UV-C wa LED ndi ma AOP kumatha kukhala kothandiza makamaka pochiza madzi okhala ndi mankhwala, zinthu zosamalira anthu, ndi zonyansa zina zomwe zikutuluka zomwe sizingachotsedwe bwino ndi njira zochiritsira wamba. Makamaka m'madera omwe ntchito za anthu zimakhudza magwero a madzi, monga madera akumidzi.

Malingaliro a UV-C LED System Design

Kupanga kachitidwe ka UV-C LED pochizira madzi akumwa kumafuna kuganizira mozama zinthu zingapo, kuphatikiza:

Kutulutsa kwa LED kwa UV-C

Ichi ndi chizindikiro chofunikira kwambiri cha mphamvu ya makina ophera tizilombo m'madzi. Kutulutsa kwadongosolo kumayezedwa mu ma milliwatts (mW) pa lalikulu sentimita (cm2) ndipo kumatsimikiziridwa ndi kuchuluka ndi mtundu wa ma LED a UV-C omwe amagwiritsidwa ntchito.

Kuti mutsimikizire kutulutsa kokwanira, ndikofunikira kusankha ma LED apamwamba kwambiri a UV-C omwe amapangidwira ntchito zoyeretsera madzi. Chiwerengero cha ma LED omwe amagwiritsidwa ntchito mu dongosololi ayenera kukhala okwanira kuti apereke kuwala kofunikira pamlingo womwe ukufunidwa. Wonjezerani kuwala kokwanira powonjezera kuchuluka kwa ma LED kapena kugwiritsa ntchito ma LED okhala ndi mphamvu zapamwamba.

Nthaŵi

Kutalika kwa ma radiation a UV-C ndikofunikira kwambiri pakuzindikira mphamvu yake pakupha tizilombo toyambitsa matenda m'madzi. Kutalika koyenera kopha tizilombo toyambitsa matenda ndi pafupifupi 254 nm, ngakhale mafunde apakati pa 200 ndi 280 nm amathanso kukhala othandiza. Ma LED a UV-C amayenera kutulutsa kuwala pamafunde omwe akufuna.

Zinthu zomwe zimagwiritsidwa ntchito popanga ma LED, ma doping azinthu, ndi kapangidwe ka chip cha LED zonse zimatha kukhudza kutalika kwa ma radiation a UV-C. Ndikofunikira kusankha ma LED a UV-C omwe amatulutsa ma radiation pamtunda womwe mukufuna ndikutsimikizira kutalika kwa mafunde pogwiritsa ntchito njira zoyenera zoyesera.

Volumetric Flow Rate

Kuchuluka kwa madzi kudzera pa UV-C LED system ndiye chinthu chofunikira kwambiri pakuzindikira momwe dongosololi likuyendera. Kuti akwaniritse mulingo wofunikira wopha tizilombo toyambitsa matenda, makinawo ayenera kupangidwa kuti awonetse madzi onse ku radiation ya UV-C kwa nthawi yokwanira.

Kuti mutsimikizire nthawi yokwanira yowonekera, ndikofunikira kuwerengera nthawi yolumikizirana yofunikira potengera kuchuluka kwa mayendedwe, kutalika kwa chipinda cha UV-C LED, nambala ndi malo a UV-C ma LED. Pogwiritsa ntchito ma valve ndi mapampu, kuthamanga kwa magazi kungathe kuyendetsedwa kuti madzi aziyenda mkati mwa mapangidwe a dongosolo la LED.

Contact Nthawi

Kutalika kwa nthawi yolumikizana pakati pa madzi ndi ma radiation a UV-C ndi chinthu chofunikira kwambiri pakuzindikira momwe dongosololi likuyendera. Nthawi yolumikizana imakhudzidwa ndi kuchuluka kwa kuthamanga, kutalika kwa chipinda cha UV-C LED, komanso kuchuluka ndi kuyika kwa UV-C ma LED.

Chipinda cha UV-C cha LED chiyenera kupangidwa kuti chipereke nthawi yokwanira yowonetsera madzi ophera tizilombo toyambitsa matenda. Kusintha kutalika kwa chipindacho kuti mukwaniritse nthawi yolumikizana yomwe mukufuna. Kuonjezera apo, chiwerengero ndi malo a UV-C LEDs akhoza kusinthidwa kuti madzi onse awonetsedwe ndi kuwala kwa UV-C.

Kachitidwe Kachitidwe

Mphamvu ya UV-C ya LED ndiyofunikira kwambiri pakuzindikira ndalama zomwe zimagwiritsidwa ntchito. Dongosololi liyenera kupangidwa kuti lizigwira ntchito bwino pochepetsa kugwiritsa ntchito mphamvu, kuchepetsa ndalama zolipirira, ndikuwongolera kugwiritsa ntchito kwake.

Kuti muchepetse kugwiritsa ntchito mphamvu, ndikofunikira kusankha ma LED a UV-C osagwiritsa ntchito mphamvu komanso kupanga makina ochepetsera kutentha. Dongosololi liyenera kupangidwa kuti lichepetse zofunikira pakukonza pophatikiza zida zapamwamba kwambiri komanso njira zoyeretsera zokha, pakati pa zina. Kuphatikizira masensa ndi zowongolera kuti ziwunikire momwe makinawo amagwirira ntchito ndikusintha kutulutsa kwa UV-C ngati kuli kofunikira kumatha kukulitsa kugwiritsa ntchito ma LED a UV-C.

Kutsimikizika Kwadongosolo

Kugwira ntchito kwa UV-C LED system popha tizilombo toyambitsa matenda m'madzi kuyenera kutsimikiziridwa pogwiritsa ntchito njira zoyenera zoyesera, monga ndondomeko yomwe yafotokozedwa mu USEPA UVDGM (Ultraviolet Disinfection Guidance Manual). Kuphatikiza apo, dongosololi liyenera kupangidwa kuti liwonetsetse kuti likutsatiridwa ndi zofunikira zoyendetsera, monga Safe Drinking Water Act.

Kuti mutsimikizire kuti makina a UV-C LED akugwira ntchito, ndikofunikira kuyezetsa koyenera pogwiritsa ntchito ma protocol okhazikika kuti muwonetsetse kuti dongosololi likukwaniritsa zofunikira zopha tizilombo. Kuonetsetsa kuti madzi oyeretsedwa ndi otetezeka kuti agwiritsidwe ntchito ndi anthu, dongosololi liyenera kupangidwa kuti ligwirizane ndi zofunikira zonse zoyendetsera ntchito.

Pansi Pansi

Ukadaulo wa UV-C wa LED umapereka maubwino angapo kuposa nyali zanthawi zonse za UV zochizira madzi amchere, kuphatikiza mphamvu zamagetsi, kutsika mtengo wogwiritsa ntchito, komanso kuwononga chilengedwe. Tekinoloje iyi ndiyothandiza kwambiri popha madzi ophera tizilombo komanso kuwongolera milingo ya TOC, kakomedwe, ndi fungo. Ikhoza kupezeka mawonekedwe Opanga ma diode a UV monga Tianhui Electric

Zinthu zingapo, kuphatikiza kutulutsa kwa LED kwa UV-C, kutalika kwa mafunde, kuchuluka kwa mafunde, nthawi yolumikizana, kugwiritsa ntchito bwino kachitidwe, komanso kutsimikizira kwamakina, ziyenera kuganiziridwa mosamala popanga makina a UV-C a LED ochizira madzi akumwa. Kafukufuku wambiri wawonetsa mphamvu yaukadaulo wa UV-C wa LED pochiza madzi akumwa, ndipo zikuyembekezeredwa kuti ukadaulowu ulandila kuvomerezedwa kwakukulu m'zaka zikubwerazi.

Kwa omwe akufuna kukhazikitsa UV madzi disinfection n chifukwa cha zosowa zawo zothandizira mpweya ndi madzi, kuyanjana ndi wopanga ma modules a UV LED ndi ma diode monga Tianhui Electric akulimbikitsidwa. Polumikizana Tianhui Electric ,a Anthu otchedwa UV  mutha kuphunzira zambiri zazinthu zawo ndikukonza zokambilana kuti mukambirane zosowa zanu zopha tizilombo toyambitsa matenda a UV.