Ukukhetha Isilinganiso Esifanele Se-MERV A noma se-ISO ePM1 Sesikhungo Sakho
- Izilinganiso ze-MERV A kanye ne-ISO ePM1 zilinganisa into efanayo — ukusebenza kahle kokubamba izinhlayiya ezincane — kodwa zisebenzisa izindlela zokuhlola ezihluke ngokuphelele kanye namafomethi okubika. I-MERV A (ASHRAE 52.2-2017 Isithasiselo A) ibika inani elilodwa lokusebenza kahle okuhlanganisiwe ku-0.3–1.0 µm. I-ISO ePM1 (ISO 16890) ibika ukusebenza kahle kwezinhlayiya ≤1.0 µm njenge-metric ehlukile eceleni kwe-ePM2.5 kanye ne-ePM10.
- I-MERV A iyimpoqo kumaphrojekthi kahulumeni wase-US kanye ne-LEED v4.1. I-ASHRAE 62.1-2019 kanye nezinguqulo zakamuva zibhekisela ku-MERV A kunesilinganiso sangaphambilini se-MERV (ubuncane obuhlanganisiwe). Uma ucacisa izihlungi zesakhiwo sikahulumeni wase-US, isikole (i-LEED), noma isikhungo sezempilo esilandela i-ASHRAE 62.1, udinga amanani e-MERV A avela kumkhiqizi wezihlungi.
- I-ISO ePM1 iyindinganiso yomhlaba wonke futhi iyadingeka kakhulu eYurophu, eMpumalanga Ephakathi nase-Asia. I-ISO 16890 ithathe indawo ye-EN 779 ngo-2018. Ibika ukusebenza kahle kwezingxenyana ezintathu zosayizi (ePM1, ePM2.5, ePM10) kanye nesigaba esiqinile. Isihlungi esilinganiswe nge-ISO ePM1 ≥65% sibamba okungenani u-65% wezinhlayiya ≤1.0 µm, okulingana cishe ne-MERV 14–15.
- Lezi zinhlelo ezimbili azinazo izinto ezifanayo ezilula ezingu-1:1. Isihlungi esine-MERV A = 13 (≥75% ku-0.3–1.0 µm) ngokuvamile sifana ne-ISO ePM1 50–65%, kodwa ukumepha okuqondile kuncike ezicini zejika lokusebenza kahle kwesihlungi. Indlela ethembekile kuphela ukucela imibiko yokuhlola ye-MERV A kanye ne-ISO ePM1 kumhlinzeki - cishe amakhasimende e-KWS angu-40% manje enza lokhu.
- Iningi labathengi kufanele licacise kokubili izilinganiso. Kumaphrojekthi anezidingo zomhlaba wonke ezixubile noma amazinga angaqinisekile esikhathi esizayo, ukucela izihlungi eziqinisekiswe yi-MERV A kanye ne-ISO ePM1 kuvikela ukutshalwa kwezimali kwakho. Iprimiyamu yezindleko zesitifiketi esiphindwe kabili ayinamsebenzi (0–5% kuzihlungi eziningi zebanga eliphakathi).
Kungani Lesi Sinqumo Sibaluleke Kakhulu Kunokuba Ucabanga
Ngithole i-imeyili ephuthumayo evela kumphathi wokuthengwa kwempahla ekuqaleni kuka-2025, ngemuva nje kokuba inkampani yakhe iwine inkontileka yokuhlinzeka ngezihlungi zomoya zephiko elisha lesibhedlela eQatar. Imininingwane yonjiniyela wemishini yayidinga "i-ISO ePM1 ≥65% noma elinganayo ye-MERV A enezihlungi eziyi-13 eziqinisekisiwe, kanye nemibiko yokuhlola elandelelwa ku-ISO 16890-2:2018 kanye ne-ASHRAE 52.2-2017 Isithasiselo A." Waye-ode i-F9 Izihlungi Zezikhwama ngokusekelwe ku-EN 779 ejwayelekile endala — futhi akekho kubahlinzeki bakhe owayenganikeza izitifiketi ze-ISO ePM1 kanye ne-MERV A.
Inkinga kwakungekona ukusebenza kwesihlungi. Isihlungi sasikwazi kahle kakhulu. Inkinga kwakuwukusebenza kwesihlungi. imibhalo yokuhlola - futhi emhlabeni we Ukuhlunga Komoya Ukuthobela imithetho, uma ungakwazi ukukufakazela ngombiko wokuhlola, isihlungi asihlangabezani nezilinganiso. Ulahlekelwe yi-oda, elibiza u-$180,000, ngoba igebe lakhe lamadokhumenti likhulu kunegebe lokusebenza.
Lokhu kuyiqiniso lemakethe yokuhlunga umoya emhlabeni wonke yanamuhla. Siphila esikhathini sokuguquka lapho izinhlelo ezimbili ezinkulu zokulinganisa — i-MERV A (ASHRAE 52.2) kanye ne-ISO ePM1 (ISO 16890) — zihlangana khona, futhi azikho ezithatha indawo yezinye ngokushesha. Izikhungo eziqonda zombili izinhlelo zingacacisa kahle, zigweme izinhlawulo zokuthobela imithetho, futhi empeleni zithuthukise ikhwalithi yomoya wangaphakathi. Labo abathembele ohlelweni olulodwa kuphela basengozini yokuxhumana kabi, ukuthunyelwa okwenqatshiwe, noma — okubi kakhulu — ukufaka izihlungi ezingalethi ukusebenza okudingwa yizakhamuzi zabo.
Kulesi sihloko ngichaza kahle ukuthi i-MERV A ne-ISO ePM1 zihluke kanjani, ukuthi iyiphi okufanele uyicacise ngezinhlobo ezahlukene zephrojekthi, nokuthi ungahlanganisa kanjani lezi zinhlelo ezimbili ngaphandle kokukhokha iphrimiyamu.
Ezweni lokuhambisana nokuhlunga umoya, uma ungakwazi ukukufakazela ngombiko wokuhlola, isihlungi asihlangabezani nemininingwane — kungakhathaliseki ukuthi sisebenza kahle kangakanani.
Lokho Okukalwa Yi-MERV A kanye ne-ISO ePM1 Empeleni
Ngaphambi kokuqhathanisa, ake sichaze ngokucacile lokho okushiwo yisistimu ngayinye.
I-MERV A — I-ASHRAE Standard Ebuyekeziwe
I-MERV (Inani Eliphansi Lokubika Ukusebenza Kahle) ichazwe ku-ASHRAE Standard 52.2. Isilinganiso sokuqala se-MERV sibika inombolo eyodwa (1–16) ngokusekelwe ekusebenzeni kahle okuncane kwesihlungi kuzo zonke izinhlobo ezintathu zosayizi wezinhlayiya: i-E1 (0.3–1.0 µm), i-E2 (1.0–3.0 µm), kanye ne-E3 (3.0–10.0 µm). Isihlungi se-MERV 13, isibonelo, kumele sibe nokusebenza kahle okuncane kokuhlanganiswa okungu-≥75% ku-E1, ≥90% ku-E2, kanye no-≥95% ku-E3.
Ngo-2017, i-ASHRAE 52.2 yengeze iSithasiselo A — esivame ukubizwa ngokuthi "i-MERV A." Inkinga ngohlelo lokuqala lwe-MERV kwakuwukuthi lwaluvumela abakhiqizi ukuthi babike ubuncane ukusebenza kahle kusukela kulo lonke uhla lwe-E1 (0.3–1.0 µm), okwakuvame ukusho ukuthi isihlungi sibambe u-80% wezinhlayiya ezingu-0.8 µm kodwa u-50% kuphela wezinhlayiya ezingu-0.4 µm — futhi isilinganiso sokugcina se-MERV sifihle lobu buthakathaka. I-MERV A ixazulula lokhu ngokudinga ukubika ukusebenza kahle ku- usayizi ngamunye wezinhlayiya ezihlukile kububanzi obungu-0.3–1.0 µm, bese kubalwa ubuncane obuhlanganisiwe kulo lonke ububanzi bosayizi ogcwele. Umphumela uba iphrofayili yokusebenza kahle ethembekile neyi-granular.
Ngokwe I-ASHRAE 52.2-2017, isihlungi esiqinisekiswe njenge-MERV A 13 kumele sifinyelele ubuncane obufanayo be-E1, E2, kanye ne-E3 njenge-MERV 13 ejwayelekile, kodwa ilebula le-MERV A liqinisekisa ngokusobala ukuthi isihlungi sihlolwe kusetshenziswa indlela ye-Appendix A enokubika okugcwele kosayizi wezinhlayiya.
ISO ePM1 — I-Global Standard (ISO 16890)
I-ISO 16890 yanyatheliswa ngo-2016 ukuze ithathe indawo ye-EN 779 futhi idale ukuhlukaniswa okukodwa komhlaba wonke kwezihlungi zomoya ezijwayelekile. Esikhundleni senombolo eyodwa, i-ISO 16890 ibika ukusebenza kahle kwezingxenyana ezintathu zosayizi wezinhlayiya:
| Ukuhlukaniswa | Ububanzi Bosayizi Wezinhlayiyana | Lokho Okuthwebulayo |
|---|---|---|
| I-ISO ePM1 | ≤1.0 µm | Izinhlayiya ezincane — amabhaktheriya, intuthu encane, i-diesel soot, amaconsi athwala amagciwane |
| I-ISO ePM2.5 | ≤2.5 µm | Izinhlayiya eziphefumulayo kakhulu — izinhlayiya zesikhunta, uthuli olucolekile, i-PM2.5 |
| I-ISO ePM10 | ≤10 µm | Izinhlayiya ezimahhadlahhadla — impova, uthuli, i-lint, ama-spores amakhulu |
| I-ISO Eqinile | >10 µm | Izinhlayiya eziqinile kakhulu — uthuli olubonakalayo, imicu, izingcezu zezinambuzane |
Inombolo ebalulekile okufanele ugxile kuyo yi-ePM1. Isihlungi esilinganiselwe yi-ISO ePM1 ≥65% sibamba okungenani u-65% wazo zonke izinhlayiya ezinobubanzi be-aerodynamic ≤1.0 µm. Ngenxa yokuthi izinhlayiya ze-PM1 zingena ngokujulile ohlelweni lokuphefumula futhi zinzima kakhulu ukuzibamba, i-ePM1 iyisilinganiso esidinga kakhulu ohlelweni lwe-ISO 16890 — futhi esibaluleke kakhulu ekuvikelweni kwempilo yabantu.
Umehluko obalulekile ku-MERV A: I-ISO 16890 idinga ukukhishwa kweshaja kagesi ngaphambi kokuhlola, ngoba imidiya eminingi yokuhlunga eyenziwe ilahlekelwa ukusebenza kahle uma ivezwa emswakama kanye nokungcola okusemoyeni ngokuhamba kwesikhathi. Indinganiso ilinganisa ukusebenza kahle okuncane kwesihlungi ngemva kwalokhu kulungiswa, okumelela ukusebenza "kwesimo esibi kakhulu sokuphela kwempilo". I-MERV A ayikugunyazi ukukhishwa kwe-electrostatic — ngakho-ke isihlungi esiqukethe imidiya eshajiwe singabika inani eliphakeme le-MERV A kunenani laso elizinzile le-ISO ePM1. Lokhu kuwukungafani okwaziwayo futhi kungumthombo ovame kakhulu wokudideka lapho kuqhathaniswa lezi zinhlelo ezimbili.
I-MERV A vs ISO ePM1: Ukuqhathanisa Ikhanda Nekhanda
Ithebula elingezansi liqhathanisa izinhlelo ezimbili kuzo zonke izilinganiso eziyisishiyagalolunye ezibalulekile ekucacisweni nasekuthengweni. Sebenzisa njengereferensi esheshayo lapho uhlola ukuthi yisiphi isilinganiso okufanele usidinge kubahlinzeki bakho bezihlungi.
| Ubukhulu | I-MERV A (ASHRAE 52.2) | I-ISO ePM1 (ISO 16890) |
|---|---|---|
| Izinga elilawulayo | I-ASHRAE 52.2-2017 + Isithasiselo A | ISO 16890-1:2016, ISO 16890-2:2018 |
| Isilinganiso esiyinhloko | Inani le-MERV A elihlanganisiwe elilodwa (1–16) | Ukusebenza kahle okuhlukene okuthathu %s (ePM1, ePM2.5, ePM10) |
| Ukugcizelelwa kwezinhlayiya ezincane | Ububanzi be-E1: 0.3–1.0 µm | i-ePM1: ≤1.0 µm Kufana kakhulu |
| Ukukhishwa kwe-electrostatic | Akudingeki | Okuphoqelekile — izimo zemidiya ngaphambi kokuhlolwa |
| Ifomethi yokubika | Inombolo eyodwa (evumelana nabathengi) | Amanani angu-3% + iqembu elinzima (elinobungani nonjiniyela) |
| Isifunda sokutholwa | INyakatho Melika (ebusayo) | IYurophu, iMpumalanga Ephakathi, i-Asia (ehamba phambili); ikhula emhlabeni jikelele |
| Ukuxhumana okusemthethweni | I-ASHRAE 62.1, i-LEED v4.1, i-US Federal GSA | Isiqondiso Sokusebenza Kahle Kwamandla se-EU, iziqondiso ze-WHO IAQ, EN 16798-3 |
| Ubuncane | amazinga angu-16 ahlukene | Isikali se-% esiqhubekayo (isb. i-ePM1 ≥50%, ≥65%, ≥80%, ≥85%) |
| Hlola i-aerosol | I-Potassium chloride (KCl), ayisebenzi | I-Potassium chloride (KCl), engasebenzi kahle + ukulungiswa kokukhishwa |
| Ukulingana okulinganiselwe | I-MERV A 13 ≈ ISO ePM1 50–65% | I-ISO ePM1 ≥85% ≈ I-MERV A 15 |
Ithebula Lokulingana Elilinganiselwe
Ithebula elilandelayo linikeza imephu yokulinganisa engcono kakhulu phakathi kwe-MERV A ne-ISO ePM1, ngokusekelwe kudatha eshicilelwe yereferensi ehlanganisiwe. Qaphela: lokhu kuyizilinganiso — qinisekisa njalo ngombiko wokuhlolwa womkhiqizi wesihlungi sakho esithile.
| I-MERV A | I-ISO ePM1 Equivalent (Ububanzi Obujwayelekile) | I-ISO ePM2.5 Equivalent (Ejwayelekile) | Isicelo Esijwayelekile |
|---|---|---|---|
| I-MERV A 8 | i-ePM1 — ayilinganiswanga (eqinile kuphela) | i-ePM2.5 — ayilinganiswanga | Ukuhlunga kwangaphambi kwesikhathi, ukuthengisa okulula |
| I-MERV A 11 | i-ePM1 50% | i-ePM2.5 65% | Izakhiwo zamahhovisi, izikole |
| I-MERV A 13 | i-ePM1 50–65% | i-ePM2.5 65–80% | Izibhedlela, amalabhorethri, i-IAQ yezohwebo |
| I-MERV A 14 | i-ePM1 65–80% | i-ePM2.5 80–90% | Ukunakekelwa kwempilo, ukukhiqiza okuhlanzekile |
| I-MERV A 15 | i-ePM1 ≥85% | i-ePM2.5 ≥90% | Imithi, i-semiconductor, amagumbi okuhlanza |
| I-MERV A 16 | i-ePM1 ≥90% | i-ePM2.5 ≥95% | Ukuvikelwa kwangaphambi kwe-HEPA, izindawo ezibalulekile |
⚠ Isixwayiso esibalulekile: Imfuneko yokukhishwa kwe-electrostatic ku-ISO 16890 isho ukuthi izihlungi zemidiya ye-electret zokwenziwa zingabonisa amanani e-ePM1 aphansi ngo-10-20% kune-MERV A yazo elingana nayo. I-Glass microfiber noma i-e-PTFE media (esetshenziswa kuzihlungi eziningi ze-HEPA) azinalo leli gebe. Cela njalo imibiko yokuhlolwa yomibili uma imininingwane yakho ibhekisela kuzo zombili izindinganiso.
Yisiphi Isilinganiso Okufanele Sisetshenziswe Yisikhungo Sakho?
Impendulo emfushane ithi: kuncike endaweni yesikhungo sakho, indawo yokulawula, kanye nezinhloso zangaphakathi ze-IAQ. Nasi uhlaka lwezinqumo engilusebenzisayo lapho ngiluleka amakhasimende e-KWS.
✓ Khetha i-MERV A Uma:
- Isikhungo sakho sise-United States noma eCanada
- Imininingwane yephrojekthi ibhekisela ku-ASHRAE 62.1-2019 noma kamuva
- Ulandela amakhredithi e-LEED v4.1 EQ (ubuncane be-MERV A 13)
- Inkontileka iyiphrojekthi kahulumeni, yesifundazwe, noma kamasipala wase-US
- Ithimba lakho lobunjiniyela bezakhiwo lijwayelene nokuqamba amagama kwe-MERV
- Udinga ukuqhathanisa kwenombolo eyodwa ukuze kube lula ukuthenga
✓ Khetha i-ISO ePM1 Nini:
- Isikhungo sakho siseYurophu, eMpumalanga Ephakathi, e-Afrika, noma e-Asia
- Imininingwane yomklamo ibhekisela ku-EN 16798-3 noma i-ISO 16890
- Udinga ukubika okunezinhlangothi eziningi (ePM1 + ePM2.5 + ePM10)
- Isisekelo sabaphakeli singesamazwe ngamazwe futhi sidinga indinganiso efanayo
- Uhlola izindleko eziphelele zobunikazi ngokusebenzisa amandla kahle
- Ufuna ukusebenza kahle okuzinzile "okubi kakhulu" (ngokukhishwa)
Isikhathi Sokucacisa Kokubili
Inani elikhulayo lamakhasimende e-KWS manje licela isitifiketi esiphindwe kabili. Uma indawo yakho ifanelana nanoma iyiphi yalezi ziphrofayili, ukucacisa kokubili i-MERV A kanye ne-ISO ePM1 kuyindlela ephephile kakhulu:
- Amakhampasi ezinkampani zamazwe ngamazwe — incazelo yendlunkulu eyodwa yezikhungo ezifundeni ezahlukene
- Izinkampani zobunjiniyela zomhlaba wonke — izinkampani ezifana ne-AECOM, i-Jacobs, noma i-WSP eziklama izikhungo emhlabeni wonke futhi ezidinga imininingwane yokuhlunga ebanzi
- Izinketho zokuhlinzeka ngemithi kanye ne-semiconductor — lapho umkhiqizo kufanele uqinisekiswe ngokwezinga lekhasimende, okungaba yinoma yiluphi uhlelo
- Ukuvikela ikusasa — izakhiwo ezakhiwayo manje ezingase zidingeke zihambisane nezindinganiso ezahlukene eminyakeni emi-5-10
Uhlaka Lwezinyathelo Ezi-5 Lokukhetha Isilinganiso Sakho
Nansi inqubo ewusizo engiyisebenzise nabaphathi bezikhungo emazweni angaphezu kwama-20. Kuthatha cishe imizuzu engama-30 ukuqeda futhi kususa ukuqagela ekucacisweni kwesihlungi.
- Hlola izidingo zakho zomthetho kanye nesitifiketi.Buyekeza ikhodi yakho yokwakha yendawo, noma yiziphi izitifiketi zesakhiwo esiluhlaza ezisebenzayo (i-LEED, i-BREEAM, i-WELL, i-Estidama), kanye nezidingo zemininingwane yekhasimende lakho. Bhala phansi ukuthi yiziphi izindinganiso ezibhekiselwe ngokucacile. Uma i-ASHRAE 62.1 iqanjwe, udinga i-MERV A. Uma i-EN 16798-3 noma i-ISO 16890 iqanjwe, udinga i-ISO ePM1.
- Beka imephu yezindawo zakho zokuhlunga kuzinhloso ze-IAQ.Kulelo nalelo bhange lokuhlunga endaweni yakho, nquma ukusebenza kahle kokubamba okuqondiwe kwezinhlayiya ezingu-≤1.0 µm. Sebenzisa i-MERV A 13+ noma i-ISO ePM1 ≥50% njengenani eliphansi lezindawo ezinabantu, futhi liphezulu ezindaweni ezibalulekile (amathiyetha okusebenza, amagumbi okuhlanza, imigqa yokugcwalisa imithi).
- Cela imibiko yokuhlolwa okubili kumhlinzeki wakho wezihlungi.Cela wonke umhlinzeki ofakwe ohlwini olufushane ukuthi anikeze imibiko yokuhlolwa kokubili i-MERV A (ngokwe-ASHRAE 52.2 Appendix A) kanye ne-ISO ePM1 (ngokwe-ISO 16890-2), kumodeli efanayo yesihlungi kanye nemidiya. Qhathanisa imiphumela eceleni. Umkhiqizi odumile njenge-KWS angakunikeza kokubili.
- Hlola igebe lokukhipha ugesi oluhambisana nogesi.Uma amanani e-MERV A kanye ne-ISO ePM1 ehluka kakhulu (ngaphezu kuka-10–15%), buza ukuthi ngabe imidiya iyi-electret yokwenziwa. Uma kunjalo, inani le-ISO ePM1 (elinokukhishwa) liyisibonakaliso sokusebenza esilondolozayo futhi cishe esingokoqobo sokusetshenziswa kwesikhathi eside.
- Bhala imininingwane yakho kuzo zombili izinhlelo.Faka kokubili izidingo ezincane ze-MERV A kanye ne-ISO ePM1 ekucacisweni kwakho, usho ngokucacile ukuthi yikuphi okuyinhloko nokuthi yikuphi okulingana nakho. Isibonelo: "I-MERV A encane eqinisekisiwe engu-13 ngokwe-ASHRAE 52.2 Appendix A, noma i-ISO ePM1 ≥50% ngokwe-ISO 16890, kanye nombiko wokuhlola obonisa womabili amanani."
I-Semiconductor Fab ePenang, eMalaysia
Ngo-2024, isikhungo sokuhlanganisa se-Tier-1 semiconductor ePenang sasithuthukisa i-HVAC yaso yegumbi lokuhlanza futhi sasidinga izihlungi zezikhwama ze-F9 zezinga lomoya wokwenza izimonyo ezikhonza izindawo ze-ISO Class 5 kanye ne-Class 7. Inkampani engumzali (e-US) yayidinga i-MERV A 14 ngokwezinga layo lomhlaba wonke. Ithimba lonjiniyela bendawo (laseMalaysia) likhethe i-ISO ePM1 ≥65% ngokwezinga lesifunda. Alukho uhlangothi olwaluzoyekethisa.
Ngivakashele isayithi futhi ngaphakamisa ikhambi elilula: nikeza isihlungi isitifiketi esikabili. Sivivinye isihlungi sethu sesikhwama sokwenziwa se-F9 esijwayelekile (KWS-MB-F9-592x592x600-6P) kuzo zombili i-ASHRAE 52.2 Appendix A kanye ne-ISO 16890-2. Imiphumela:
- I-MERV A: 14 (E1 ubuncane obungu-78%, E2 93%, E3 97%)
- I-ISO ePM1: ≥60% (ngemuva kokukhishwa kwe-electrostatic, imidiya ekhokhisiwe ibonise ukwehla okungu-12%)
Igebe elingu-12% libhalwe embikweni wokuhlola, futhi bobabili abathintekayo bayalamukela. I-oda — izihlungi zezikhwama ezingu-1,520 ezibiza u-$62,000 — lafakwa. Into ebalulekile: isitifiketi esiphindwe kabili sibize cishe u-3% ngaphezulu ngesihlungi ngasinye uma kuqhathaniswa nesinye isitifiketi, kodwa saqeda ingozi yokuthobela imithetho eyayingase imise konke ukuthunyelwa kwe-HVAC kwegumbi lokuhlanza.
Indlela i-KWS Eqinisekisa Ngayo Izihlungi Kuzo Zombili Izindinganiso
Efektri yethu eXiamen, sigcina imishini yokuhlola kokubili ukuhlolwa kwe-ASHRAE 52.2 kanye ne-ISO 16890. Kusukela ngo-2023, zonke izihlungi ezisezingeni eliphakathi neliphezulu esizikhiqizayo zinga-odwa ngesitifiketi esikabili.
- Ukuhlolwa kwe-MERV A: Kwenziwe ku-automatic flat-duct test rig yethu ngokwe-ASHRAE 52.2-2017, kusetshenziswa i-KCl aerosol ene-neutralizer. Sibika i-Appendix A efficiency curve ephelele kanye nenani elihlanganisiwe le-MERV A elibaliwe. Uhla lwethu lwemikhiqizo oluphakathi nolusebenza kahle kakhulu kufaka phakathi amanani e-MERV A aqinisekisiwe kuwo wonke amamodeli.
- Ukuhlolwa kwe-ISO 16890: Kwenziwa ku-rig efanayo kanye ne-electrostatic discharge conditioning eyengeziwe (amahora ama-2 ku-70°C, 80% RH, ngokwe-ISO 16890-2:2018). Sibika i-ePM1, i-ePM2.5, kanye ne-ePM10 ngokwehlukana.
Idokhumenti ebaluleke kakhulu esiyikhiphayo umbiko wokuhlolwa okubili — i-PDF eyodwa ekhombisa imiphumela ye-MERV A kanye ne-ISO ePM1 yesihlungi esifanayo, kuqoqo elifanayo lemidiya, elihlolwe ku-rig efanayo. Lokhu kususa igebe lamadokhumenti elabiza lowo mphathi wokuthenga waseQatar inkontileka yakhe engu-$180,000.
imibuzo ejwayelekile ukubuzwa
Cha — ayikho ifomula yokuguqula ethembekile engu-1:1. Ubudlelwano buxhomeke esimweni sejika lokusebenza kahle kwesihlungi, uhlobo lwemidiya (ikakhulukazi ukuthi isebenzisa ishaja ye-electrostatic), kanye ne-geometry ye-pleat. Indlela ethembekile kuphela ukucela idatha yangempela yokuhlola yamazinga womabili kumhlinzeki wakho. Ithebula lokulingana elilinganiselwe kulesi sihloko liyindawo yokuqala, hhayi ithuluzi lokucacisa.
Ngoba i-ISO 16890 ihlola ngemva kokulungiswa kokukhishwa kwe-electrostatic. Iningi lezihlungi zezikhwama ze-F9 zisebenzisa imidiya yokwenziwa eshajelwe elahlekelwa yi-10-25% yokusebenza kwayo kokuqala ngemva kokukhishwa. Ngaphansi kwe-EN 779, isihlungi esifanayo sahlolwa esimweni saso sokushaja. Lokhu akuyona inkinga yokukhiqiza - kuyisimo sokuhlola esihlukile. Ngokusebenza kwesikhathi eside, inani le-ISO ePM1 empeleni liwukubonakaliswa okuqotho kokuthi isihlungi sizosebenza kanjani ngemva kwezinyanga ezingu-3-6 zokusebenza ezimweni ezinomswakama.
Ngesihlungi ngokwaso, izindleko zokukhiqiza ziyafana — sihlola umkhiqizo ofanayo. Izindleko ezengeziwe zivela ekukhiqizweni kombiko wokuhlola kanye nokuqinisekiswa komuntu wesithathu. Kwa-KWS, iphrimiyamu yesitifiketi esiphindwe kabili ingu-0–5% kuye ngevolumu, futhi sithatha le ndleko ngama-oda adlula amayunithi angu-500. Izindleko ze hhayi Ukuba nesitifiketi esifanele — izinkontileka ezilahlekile, ukuthunyelwa okwenqatshiwe, izinhlawulo zokuthobela imithetho — kuphakeme kakhulu.
I-ASHRAE 62.1-2019 kanye nezinguqulo zakamuva zibhekisela ku-MERV A esihlokweni esinolwazi, hhayi imfuneko ephoqelekile — kodwa empeleni, cishe wonke amaphrojekthi kahulumeni wase-US (i-GSA, i-USACE, i-VA), amaphrojekthi e-LEED v4.1, kanye nezikhungo zokunakekelwa kwempilo ezilandela iziqondiso ze-FGI zidinga isitifiketi se-MERV A. Uma unikeza izihlungi emakethe yase-US, ukuba nemibiko yokuhlolwa kwe-MERV A manje sekuyisidingo sokuncintisana kunokuba kube ukuthuthukiswa okuzithandela.
Cha — Izihlungi ze-HEPA ne-ULPA zihlukaniswe ngaphansi EN 1822:2019 (yaseYurophu) noma i-IEST-RP-CC001.6 (yase-US), hhayi i-MERV A noma i-ISO 16890. I-HEPA H13 (99.95% ku-MPPS) kanye ne-H14 (99.995%) zivivinywa kusetshenziswa izinselele ezahlukene ze-aerosol (i-DOP/PAO ewuketshezi), izindlela ezahlukene zokulinganisa (i-photometry noma ukubalwa kwezinhlayiya), kanye nezindlela ezahlukene zokudlula/ukwehluleka. Kodwa-ke, ukuhlunga okuhleliwe ngaphambi kwe-HEPA — ngokuvamile i-G4 + F9 noma i-MERV A 8 + MERV A 14 — kusebenzisa izilinganiso ze-MERV A noma ze-ISO ePM1 zezihlungi zangaphambi kwesikhathi.
Uhlelo Lwakho Lokusebenza Lwezinsuku Ezingama-30 Olulandelayo
Uma uphatha ukuthengwa kwesihlungi sesikhungo, nansi izinyathelo ezintathu okufanele uzithathe zingakapheli izinsuku ezingu-30 ezilandelayo:
1 Hlola Imininingwane Yakho
- Buyekeza zonke izincazelo zamanje zesihlungi sazo zonke izakhiwo oziphethe
- Khomba ukuthi yiziphi izindinganiso ngezinkomba ze-spec (ASHRAE 52.2, ISO 16890, noma kokubili)
- Qaphela noma yiziphi izici ezibhekisela ku-EN 779 — lezi zidinga ukubuyekezwa zibe yi-ISO 16890
2 Hlola uhlu lwakho lwezinto ezigciniwe
- Donsa imibiko yokuhlola yama-SKU akho amahlanu asetshenziswa kakhulu okuhlunga
- Uma zingafaki kokubili amanani e-MERV A kanye ne-ISO ePM1, zicele kumhlinzeki wakho
- Maka noma yiziphi izihlungi ezincike kakhulu ekushajweni kwe-electrostatic ngesilinganiso sazo se-MERV
3 Buyekeza Isifanekiso Sakho Se-RFQ
- Engeza umugqa odinga "MERV A nge-ASHRAE 52.2 Appendix A + ISO ePM1 nge-ISO 16890" kuzo zonke izihlungi eziphakathi nendawo nezincane
- Yisho ukuthi imibiko yokuhlolwa kumele inikezwe nge-oda ngalinye
- Kudingeka ukuthi imibiko yokuhlola ibonise amanani aqinisekisiwe womabili kudokhumenti efanayo