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Tahimmun Al'amurin Na Gaskiya Da Al'amurin Na ISO (ISO 5–8)
Kuwa da sauri a gaskiya na hawa a cleanrooms na ISO 5–8 yana bukatar filtrashe da tsarin yin hawa da sauri don samun al'amurin na ISO 14644-1. A lokacin ku kula FFU da AHU, kariya na kontroolin da yanki da kariya na tashin gaba daya suna iya kara kariya na kariya ta hawa.
Kariya na Filtrashe HEPA/ULPA Da Kontroolin Da Gaskiya Na Hauwa A Yanki
Filtarun HEPA zasu iya kammala ta 99.97 faidu na partikulun da suka tsaya a wani yawa na 0.3 mikron. Filtarun ULPA sun yi kara daga ciki, su kammalawa ta 99.999 faidu na partikulun da suka tsaya a wani yawa na 0.12 mikron. Sistemin FFU suna ba da filtarsi a wani lokaci da ke bukatar shi sosai, wanda ya sa karamin fassara da yawa kuma taimaka wajen samun standardin ISO 5 a yankuna da ke bukatar kariya sosai, kamar yadda ake amfani da shi a matsayin samun abubuwa da suka kariya. A cikin rarraba, AHU na farko suna amfani da bankin filtaran HEPA ko ULPA a wani baya, amma wannan haɗin yana da wasu masalaci. Ductwork zai iya kawo gurasa a lokacin da ya fi, kuma canjin tebba na hawa a cikin sistemi zasu iya baiwa abubuwan da suka kariya domin su daina. A cikin bayanan al'umma, al'adu da suka amfani da FFU suna ganin 30 zuwa 50 faidu na partikulun da suka tsaya a hawa a cleanroomin ISO 5 idan an saba da su da AHU. Wannan yana nufin karamin farko don kariya a matsayin samun abubuwan kimiyya ko wani baya da ke bukatar kariya sosai. Kuma, yadda FFU suna da haɗin madaidaici yana ba da imkanin karamin hawa a wani yanki ba tare da kuskuren kariya a cikin wani baya da wani baya a cikin al'adu.
Kudin Kammala Aminin Hawaye, Tashin Daga Cikin, da Karamin ISO 14644-1 Ta Hanyar Fasal
Aljari ISO 14644-1 yana bayyana waɗe ne mu sani suka kira shi da 'yadda ƙaramin sautin hawa'. Misali, al'adu na ISO 5 suna bukata ƙarshen 250 zuwa 300 sautin hawa ga watan don gudanin adadin jirgi a cikin 3,520 ga mita takwas (cubic meter) ko ƙarshen 0.5 microns. Sannan akwai ISO 7 wanda ya bukata ƙarshen 60 sautin hawa ga watan don gudanin adadin jirgi a cikin 352,000 ga mita takwas. A lokacin da aka yi amfani da wannan tsari na hawa mai kyau, FFU arrays suna faruwa sosai. Wadannan abubuwan suka haɗa da 'laminar flow' wanda yana da ƙarshen 95% tashin hawa, wanda ke nufin suka zama mafi kyau don samun al'adu na ISO 5 zuwa 6. Amma al'adu na AHU suna da matsaloli saboda suke amfani da hawa na duktan da suka fiye, wanda ke haɗa da matsalolin 'turbulence' kuma 'static pressure losses' wanda suka fuskanta tashin hawa, amma wadannan matsaloli suna zama mafi kyau a al'adu na ISO 7 zuwa 8 inda al'adu na kyau na hawa ba su da yawa amma baya su da mahimmanci. Idan AHUs zasu iya samun al'adu idan suka raba su daidai, FFUs suna iya samun tashin jirgi a wani yanki mafi kyau, wanda ke nufin kula da matsalolin da suka fiye da amfani da 'commissioning processes' wanda suka fiye da lokaci kuma kayayyadi.
Takamaiman Aikin: Takkalci, Tsarin, da Katsarwar Yadda Zai Iyaka Daga Sistemin FFU da AHU
Tsarin Tsanani na Wuri (FFU) da Tsarin Tsanani na Gwamnati (AHU): Yadda Zai Iyaka da Katsarwar Yadda Zai Iyaka Daga Wata Hanyar
FFUs su ba da tsarin faltar HEPA ko ULPA a wani hanyar gaba daya na madaidaici, wanda ke samuwa ga yankin da aka yi amfani da su a matsayin mahimmanci. A matsayin basi, wannan tsari ya kashe kuma daga tushen kura da suka shiga a wani yanki da ba su da ala'ada. Wani abu da ke saita wannan ƙaramin yana cikin kariya: idan wani ya kuzo, wadansu suna ci gaba da aiki ba tare da kuskure. Kuma ba a bukatar ducts wadanda za su iya haɗawa da kura a cikin yankin. Tsarin yin rufe da FFU grids ya zama laminar da karamin turbulence, wanda yana nufin kura su zama a sama da karamin lokaci. A cikin wani kalmomi na zaman lafiya da suka duba yadda yankin suke aiki, yin amfani da FFU filtration a wani hanyar gaba daya zai kara kusa da kuskure na kura ta hanyar kura (cross contamination) da karamin 40% idan aka compare da tsarin ducted na zamani.
Kammalawa, Kewaye na Yankin da Za a Yi Amfani Da Suya, da Kewaye na Tsarin Yankin
Tsarin tsarin tsarin FFU yana ba masu tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace tsabtace Wannan ya sa waɗannan raka'a musamman dace da gwajin muhallin inda matakai har yanzu suna aiki ko lokacin da samar da bukatun ci gaba da canza. Kyawun shi ne cewa ana iya motsawa, cirewa, ko kuma sake sanya su a duk inda ake buƙata dangane da yadda aka shirya kayan aiki. Babu sauran waɗannan wuraren da ba su da kyau a cikin iska wanda ke faruwa sau da yawa tare da tsarin tsarin AHU na gargajiya. Yawancin FFUs suna dacewa daidai cikin grid ɗin rufi na yau da kullun ba tare da ciwon kai na musamman ba, wanda kuma ke adana sararin bene mai daraja. Ga tsofaffin wuraren da suke son ingantawa, wannan yana da mahimmanci. Bayanai na masana'antu sun nuna cewa kamfanoni suna adana tsakanin 25% zuwa kusan 60% a kan farashin gyare-gyare idan aka kwatanta da fadada tsarin AHU. Bugu da ƙari, idan akwai bukatar bugawa zuwa mafi girma ISO rarrabuwa daga baya, FFUs ba da damar ga wadannan inganta ba tare da dole ba tsage kome baya da kuma fara daga karce.
Amfani da Energy, Kudin Zamanin Haye, da Tsayayyen Ayyukan Gidajen
Kudin Fan, Kudin Farko na Tafawa, da Farkon Tsayayyen Ayyukan Sistam
Kamarin yadda aka buƙata wani kudin kuma don gudunmawa mai zuwa ga mazanin da suka dace (ana imanin shi ne a watt per CFM) ya zama babbar ala'ada wanda ya zama babba a cikin yadda aka buƙata kudin kuma a kowace lokaci. Fan Filter Units suna amfani da karamin yadda aka buƙata wani kudin kuma ta hanyar 0.5 inches water gauge saboda tsarin EC motor su da suka faru, wanda ya kare duk wadannan fuskantar da suka zuwa a cikin Air Handling Units na farko. Kullum AHUs suka buƙata 2 inches water gauge ko kuma domin gudunmawa mai zuwa ga mazanin da suka dace a cikin HEPA filtered ductwork. Idan AHUs suka da ala'ada a cikin yadda suka dace domin taimaka wajen taimakawa ga yadda suka dace a cikin kowace mazanin, FFUs suna kare wadannan fuskantar da suka zuwa a cikin ducts kuma suna ba da damar gudunmawa mai zuwa a cikin kowace mazanin da suka dace. A cikin yadda muna ganin kudin kuma a kowace lokaci, bayani na nisan suka nuna cewa FFUs zasu iya kare kudin kuma ta fan a kowace ISO 7 cleanroom ta hanyar 23% a cikin bayani na ASHRAE na 2023. Wadannan karamin kudin kuma da karamin yadda suka dace domin taimakawa wajen taimakawa kuma yadda suka dace a cikin yadda suka dace a cikin kudin kuma suna nufin cewa FFUs suna da ala'ada a cikin yadda suka dace a cikin kowace mazanin da suka dace a cikin kowace lokaci.
Kawo Na Kuma Tattara Na Fara Da Gwamnati
Kwayoyin FFU Na Tsaki Da Sama Da Kwayoyin AHU: Kwatanta Na Fara Da Karamin Da Karamin Na Turbulence
Kafa FFU arrays a kan kwallon yana taimaka sosai don zama laminar airflow saboda wadannan units sun kafa HEPA ko ULPA filters a wani baya da suka bukatar su a yau. Wannan tsari ya gudan cewa yana kusantar hankali na yawa da suka daga karamin ducts, diffusers su kawo abin da ba su dace ba, da kuma yadda pressure yana canzawa a matsayin da ke cikin traditional AHU systems. Idan aka sa hannu a yau, wannan fahimtar ta yi aiki sosai saboda particles ba su kawo abin da ba su dace ba, kuma system din ya fito sosai a cikin workstations idan aka kafa shi da kyau. Haa, AHUs zasu iya samun laminar conditions har ma idan mu sanya computer modeling mai kyau, dampers na musamman, da kuma airflow straightening devices, amma muna ga cewa wadannan systems na farko sun gaskiya su kawo abin da ba su dace ba a dead spots da kuma distorted flows, kamar yadda suka faru idan mu kara su a cikin buildings da ductwork na farko. A cikin ISO 14644 standards, idan mu yi amfani da FFU systems, yana zama yadda yake sosai don samun compliance saboda su na iya samun airflow mai kyau daga kwallon zuwa gida ba tare da yadda yake nema abubuwan da ke cikin kuskure na airflow.
Masu Sabon Gaba (FAQ)
Menene bambanci tsakanin matattarar HEPA da ULPA?
HEPA filtata suna kama kusan kashi 99.97% na ƙwayoyin iska masu ƙananan ƙananan 0.3 microns, yayin da ULPA filtata ke kamawa har zuwa 99.999% na ƙwayoyin ƙananan 0.12 microns, suna ba da ingantaccen tacewa.
Me ya sa ake fifita FFUs akan AHUs a ɗakunan tsabta?
FFU suna samar da tacewa a cikin gida, rage ɓarkewa da kiyaye mahimman ƙa'idodin tsabtace tsabta da ake buƙata a wasu ɗakunan tsabta. Wannan tsarin yana rage haɗarin haɗari a cikin haɗari idan aka kwatanta da AHUs.
Ta yaya FFUs ke taimakawa wajen ceton makamashi?
FFUs suna aiki a ƙananan buƙatun matsa lamba, rage amfani da makamashi idan aka kwatanta da AHU na gargajiya, wanda sau da yawa yana fuskantar asarar bututu kuma yana buƙatar karin iko don aiki yadda ya kamata.
Shin FFU yana da sauƙin shigarwa?
Haka ne, FFUs suna dacewa cikin grid na rufi na yau da kullum ba tare da buƙatar kayan aiki na musamman ba, yana ba da damar sauƙin haɗawa da ajiyewa a sararin samaniya da farashin ginawa.