ASHRAE EPIDEMIC AIR FILTRATION

Zosefera za Air Zamakina

• Zosefera zimakhala ndi media zokhala ndi porous ulusi kapena nembanemba zinthu zotambasulidwa kuti zichotse tinthu ting'onoting'ono pamitsinje yamlengalenga.
• Zosefera zina zimakhala ndi mtengo wamagetsi wosasunthika womwe umayikidwa pa media kuti awonjezere kuchotsa tinthu.Popeza kuti zoseferazi zimatha kutsika pakatha miyezi yambiri atazigwiritsa ntchito koyamba, mtengo wa MERV-A, ngati ulipo, udzawonetsa kukwanira kwenikweni bwino kuposa mtengo wamba wa MERV.
• Kachigawo kakang'ono ka tinthu tating'onoting'ono tochotsedwa mumlengalenga kudutsa fyuluta imatchedwa "sefa yogwira bwino" ndipo imaperekedwa ndiMtengo Wocheperako Wopereka Lipoti (MERV)pansi pa standard condition.Zosefera zina zimakhala ndi magetsi osasunthika omwe amagwiritsidwa ntchito pazofalitsa kuti awonjezere kuchotsa tinthu.Popeza kuti zoseferazi zimatha kutsika pakatha miyezi yambiri atazigwiritsa ntchito koyamba, mtengo wa MERV A, ngati ulipo, udzawonetsa kukwanira kwenikweni kuposa mtengo wamba wa MERV.
  • MERV imachokera ku 1 mpaka 16;apamwamba MERV = magwiridwe antchito apamwamba
  • MERV ≥13 (kapena yofanana ndi ISO) imagwira bwino ntchito yogwira ma virus oyendetsedwa ndi ndege
  • Zosefera za MERV 14 (kapena zofanana ndi ISO) ndizokonda
  • Zosefera zabwino kwambiri za air particulate (HEPA).ndizosefera bwino kuposa zosefera za MERV 16.
• Kuchulukirachulukira kwa kusefa kumapangitsa kuti kuthamanga kuchuluke kudzera mu fyuluta.Onetsetsani kuti makina a HVAC amatha kukweza zosefera popanda kusokoneza kusiyanasiyana kwamakasitomala ndi/kapena kuchuluka kwa mpweya musanayambe kusintha zosefera.
• Nthawi zambiri, tinthu tating'onoting'ono tozungulira 0.3 μm timalowa kwambiri;Kuchita bwino kumawonjezeka pamwamba ndi pansi pa kukula kwa tinthu.
• Kuchita bwino pakuchepetsa kuchuluka kwa tinthu kumadalira zinthu zingapo:
  • Zosefera bwino
  • Kuthamanga kwa mpweya kudzera mu fyuluta
  • Kukula kwa particles
  • Malo a fyuluta mu dongosolo la HVAC kapena chotsukira mpweya m'chipinda

Kuti mudziwe zambiri, onaniASHRAE Position Document on Sefa ndi Kuyeretsa Mpweya.

ASHRAE Standard 52.2-2017 Minimum Efficiency Reporting Value (MERV)

SHRAE MERV vs. ISO 16890 Mavoti

Zosefera za HEPA

• Mwa kutanthauzira, zosefera zenizeni za HEPA ndizosachepera 99.97% zosefera tinthu tating'onoting'ono ta 0.3 μm (MMD) pamayeso wamba.
• Kukula kwa tinthu tating'onoting'ono kumatha kukhala kochepera 0.3 μm, kotero kusefera kwa tinthu tambiri tomwe timalowa kumatha kutsika pang'ono.

• Zosefera za HEPA ndizabwinoko kuposa MERV 16.
• Zosefera za HEPA sizingakhale njira yoyenera kwa ena kulowa m'makina a HVAC chifukwa cha kutsika kwamphamvu komanso mwayi woti makina angafunikire zosefera zatsopano kuti alole kusindikiza kokwanira kuti asadutse zosefera.
• Kuti zizigwira ntchito bwino, zosefera za HEPA ziyenera kusindikizidwa bwino muzosefera.
• Zosefera nthawi zambiri zimakhala zofewa ndipo zimafunikira kusamaliridwa mosamala kuti zipewe kuwonongeka ndikusunga magwiridwe antchito.
• Zosefera za HEPA zitha kupezeka mumakina a HVAC kapena mu:
  • M'chipinda kapena Makina Onyamula a HEPA
  • Zokonzedweratu Zosanjidwa
  • Ad Hoc Assemblies

Zosefera Zamagetsi Zamagetsi

• Phatikizani zida zosiyanasiyana zolumikizidwa ndi magetsi zotsuka mpweya zomwe zimapangidwa kuti zichotse tinthu tating'onoting'ono pama airstream.
• Kuchotsa kumachitika ndi tinthu tating'onoting'ono timene timagwiritsa ntchito magetsi pogwiritsa ntchito mawaya a corona kapena kupanga ma ion (monga ma pin ionizers), ndi: Kachigawo kakang'ono ka tinthu tating'ono tochotsedwa mumlengalenga ndi fyuluta yamagetsi imatchedwa "kuchotsa bwino."
  • Kusonkhanitsa particles pa mbale zotsutsana (precipitators, ESP), kapena
  • Kuchotsedwa kwa tinthu ting'onoting'ono kopangidwa ndi makina opangira mpweya, kapena
  • Kuyika kwa tinthu tating'ono pazipinda.
• Kuchita bwino pakuchepetsa kuchuluka kwa tinthu kumadalira: Ndikofunikira kupukuta mawaya mu ma electrostatic precipitators popeza kuchuluka kwa silikoni kumachepetsa mphamvu.
  • Kuchotsa bwino
  • Kuthamanga kwa mpweya kudzera mu fyuluta
  • Kukula ndi chiwerengero cha particles
  • Malo a fyuluta mu dongosolo la HVAC
  • Kusamalira ndi ukhondo wa zida zamagetsi zamagetsi
• Nthawi zonse tsatirani malangizo a wopanga mukamagwiritsa ntchito zosefera zamagetsi zamagetsi.

Kuti mudziwe zambiri, onaniASHRAE Position Document on Sefa ndi Kuyeretsa Mpweya.

Oyeretsa mpweya wa Gasi-Phase

• Oyeretsa mpweya wa gasi ndi omwe amagwiritsidwa ntchito pochotsa ozone, zinthu zosakhazikika komanso zonunkhiza kuchokera mumlengalenga.
• Zambiri zimakhala ndi sorbent materials monga carbon (monga makala amoto).
• Ngakhale pangakhale zosiyana,ambiriMabedi a sorbent okha sakhala achangu pakuchotsa ma virus kuchokera ku airstream.
• Zosefera za kaboni/sorbent zolowetsedwa zimachotsa tinthu tating'onoting'ono;yang'anani mavoti a MERV kuti muwonetse bwino monga momwe mumachitira ndi zosefera zamtundu uliwonse.

Zosefera za Holtop za anti-virus:

1. Makina obwezeretsa mphamvu okhala ndi fyuluta ya HEPA

2. UVC + photocatalysis fyuluta mpweya disinfection bokosi

3. Ukadaulo watsopano wothira tizilombo toyambitsa matenda wamtundu wa mpweya wotsuka mpaka 99.9%.

4.Mayankho opangira ma disinfection mpweya