Kāna kumu mua a me ka kānana HEPA

Hoʻokomo i ka kānana mua
He kūpono ka kānana mua no ka kānana mua ʻana o nā ʻōnaehana ea a hoʻohana nui ʻia e kānana i nā ʻāpana lepo ma luna o 5μm. ʻO ka kānana kumu ʻekolu ʻano: ʻano pā, ʻano pelu a me ke ʻano ʻeke. ʻO ka ʻaoʻao o waho he paʻi pepa, aluminika, hao hao, kānana mea ʻaʻole i ulana ʻia, naylon mesh, hana kalapona kānana mea, metala puka ʻupena, a me nā mea ʻē aʻe.
Nā hiʻohiʻona kānana kumu: ke kumu kūʻai haʻahaʻa, ke kaumaha māmā, ka versatility maikaʻi a me ka hoʻolālā paʻa. Hoʻohana nui ʻia no: pre-filtration o ka ea ea kikowaena a me ka neʻe ʻana o ka ea, pre-filtration o ka nui ea compressor, hoʻi maʻemaʻe ea nenoai, pre-filtration o kūloko HEPA kānana mea, HT kiʻekiʻe wela kū'ē i ka ea kānana, kuhiliʻole kila, kiʻekiʻe wela kū'ē 250-300 °C Filtration pono.
Hoʻohana pinepine ʻia kēia kānana maikaʻi no ka kānana mua ʻana o ka ea a me nā ʻōnaehana hoʻoheheʻe ʻana, a me nā ʻōnaehana ea maʻalahi a me nā ʻōnaehana ea e koi ai i hoʻokahi wale nō pae o ka kānana.
Ua māhele ʻia ʻo G series coarse air filter i ʻewalu mau ʻano, ʻo ia hoʻi: G1, G2, G3, G4, GN (nylon mesh filter), GH (metal mesh filter), GC (activated carbon filter), GT (HT high temperature resistant coarse filter).

Hoʻolālā kānana mua
Aia ka papa waho o ka kānana me kahi papa wai ikaika e paʻa ai ka media kānana i pelu ʻia. Hāʻawi ka hoʻolālā diagonal o ka ʻaoʻao o waho i kahi kānana nui a hiki i ka kānana i loko e hoʻopili paʻa i ka ʻaoʻao o waho. Hoʻopuni ʻia ka kānana e ke kāpili kūikawā kūikawā i ka ʻaoʻao o waho e pale ai i ka leakage a i ʻole ka pōʻino ma muli o ke kaomi makani. Nani ka helehelena. ʻO ka hana ʻino. ʻO ka maʻamau, hoʻohana ʻia ka pahu pahu e hana i kāna kānana maʻamau. Hiki ke hoʻohana ʻia i loko o kēlā me kēia ʻano kānana hana, ikaika kiʻekiʻe a ʻaʻole kūpono no ka deformation. Hoʻohana ʻia ka paʻi ikaika kiʻekiʻe a me ka pahu pahu e hana i nā kānana maʻamau, e hōʻike ana i ka pololei kikoʻī kiʻekiʻe a me ke kumu kūʻai aesthetic haʻahaʻa. Inā lawe ʻia mai ka fiber surface a i ʻole nā ​​mea kānana fiber synthetic, hiki i kāna mau hōʻailona hana ke hoʻokō a ʻoi aku paha ma mua o ka kānana a me ka hana ʻana.
Hoʻopiliʻia ka mea kānana i kahi manaʻo ikaika kiʻekiʻe a me ka pahu pahu ma kahiʻano i'ōwiliʻia, a hoʻonuiʻia ka'āpana makani. Hoʻopaʻa maikaʻi ʻia nā ʻāpana lepo i loko o ka ea e kahe ana ma waena o nā pleats a me nā pleats e ka mea kānana. Holo pololei ka ea maʻemaʻe mai kēlā ʻaoʻao, no laila he mālie a ʻaʻahu ka ea ma o ka kānana. Ma muli o ka mea kānana, ʻokoʻa ka nui o ka mea kānana mai ka 0.5 μm a i ka 5 μm, a ʻokoʻa ka pono kānana!

Hōʻike manaʻo kānana waena
ʻO ka kānana waena he kānana F series i ka kānana ea. Ua māhele ʻia ka F series i ʻelua mau ʻano: ʻeke ʻano a me F5, F6, F7, F8, F9, ʻaʻohe ʻeke ʻano me FB (palapala ʻano ʻano kānana hopena), FS (ʻano hoʻokaʻawale) kānana hopena, FV (hui ʻia ʻano kānana hopena). 'Ōlelo Aʻo: (F5, F6, F7, F8, F9) ʻo ia ka pono kānana (colorimetric method), F5: 40~50%, F6: 60~70%, F7: 75~85%, F9: 85~95%.

Hoʻohana ʻia nā kānana waena ma ka ʻoihana:
Hoʻohana nui ʻia i ka ʻōnaehana ea ea ea no ka kānana waena, lāʻau lapaʻau, halemai, uila, meaʻai, a me nā hoʻomaʻemaʻe ʻoihana ʻē aʻe; hiki ke hoʻohana ʻia e like me ka kānana HEPA kānana mua-hopena e hōʻemi i ka ukana kiʻekiʻe a hoʻolōʻihi i kona ola lawelawe; ma muli o ka nui o ka makani, no laila, ʻo ka nui o ka lepo ea a me ka wikiwiki o ka makani i manaʻo ʻia ʻo ia ka ʻoi loa o nā kānana kānana i kēia manawa.

Nā hiʻohiʻona kānana waena
1. Hopu i ka 1-5um o ka lepo lepo a me na mea paa like ole.
2. Nui ka makani.
3. Heʻuʻuku ke kū'ē.
4. Hiki ke paʻa lepo kiʻekiʻe.
5. Hiki ke hoʻohana pinepine no ka hoʻomaʻemaʻe.
6. ʻAno: frameless a hoʻopaʻa ʻia.
7. kānana mea: kūikawā i ulana ʻole ʻia a i ʻole ke aniani aniani.
8. Efficiency: 60% i 95% @1 i 5um (colorimetric ala).
9. E hoʻohana i ka wela kiʻekiʻe, haʻahaʻa: 80 ℃, 80%. k

HEPA kānana) K& r$ S/ F7 Z5 X; U
Hoʻohana nui ʻia e hōʻiliʻili i ka lepo particulate a me nā mea paʻa i hoʻopaʻa ʻia ma lalo o 0.5um. Hoʻohana ʻia ka pepa fiber aniani maikaʻi loa e like me ka mea kānana, a ʻo ka pepa offset, ke kiʻi alumini a me nā mea ʻē aʻe e hoʻohana ʻia e like me ka pā māhele, a ua hoʻopili ʻia me ke alumini alumini alumini. Hoʻāʻo ʻia kēlā me kēia ʻāpana e ke ʻano nano-flame a loaʻa nā hiʻohiʻona o ka pono kānana kiʻekiʻe, haʻahaʻa haʻahaʻa a me ka nui o ka lepo paʻa. Hiki ke hoʻohana nui ʻia ka kānana HEPA i ka ea optical, LCD liquid crystal manufacturing, biomedical, precision instruments, inu, PCB paʻi a me nā ʻoihana ʻē aʻe i loko o ka hale hana hoʻomaʻemaʻe lepo ʻole ea ea hoʻopau ea. Hoʻohana ʻia nā kānana HEPA a me ultra-HEPA ma ka hope o ka lumi maʻemaʻe. Hiki iā lākou ke hoʻokaʻawale i: HEPA separator, HEPA separator, HEPA airflow, a me nā kānana ultra-HEPA.
Aia ʻekolu kānana HEPA, hoʻokahi kāna kānana ultra-HEPA hiki ke hoʻomaʻemaʻe ʻia i 99.9995%. ʻO kekahi he kānana ea antibacterial non-separator HEPA, nona ka hopena antibacterial a pale i ka bacteria mai ke komo ʻana i ka lumi maʻemaʻe. ʻO kekahi kānana sub-HEPA, i hoʻohana pinepine ʻia no ka liʻiliʻi o ka hoʻomaʻemaʻe ʻana ma mua o ke kūʻai ʻana. T. p0 s! ]$ D: h” Z9 e

Nā loina maʻamau no ke koho kānana
1. Hoʻokomo a hoʻokuʻu aku i ke anawaena: Ma ke kumu, ʻaʻole pono e emi ke anawaena inlet a me waho o ka kānana ma mua o ke anawaena inlet o ka paila i hoʻohālikelike ʻia, ʻo ia ka mea e kūlike me ke anawaena paipu inlet.
2. Nominal pressure: E hoʻoholo i ka pae kaomi o ka kānana e like me ke kiʻekiʻe kiʻekiʻe e hiki mai ana ma ka laina kānana.
3. ke koho ʻana i ka helu o nā puka: e noʻonoʻo nui i ka nui o ka nui o nā mea haumia e hoʻopili ʻia, e like me ke kaʻina hana o ke kaʻina media. Hiki ke loaʻa ka nui o ka pale i hiki ke hoʻopili ʻia e nā kikoʻī like ʻole o ka pale ma ka papa ma lalo.
4. Mea kānana: ʻO ka mea o ka kānana ka mea maʻamau e like me ka mea o ka paipu kaʻina hana pili. No nā kūlana lawelawe like ʻole, e noʻonoʻo i ka kānana o ka hao hao, ke kila kalapona, ke kila kila haʻahaʻa a i ʻole ke kila kila.
5. kānana kū'ē kū'ē pau helu helu: ka wai kānana, ma ka helu nui o ka helu kahe kahe ana, ka poho puʻe he 0.52 ~ 1.2kpa.* j& V8 O8 t/ p$ U& p t5 q
　　　　
HEPA asymmetric fiber kānana
ʻO ke ala maʻamau no ka kānana mechanical o ka hoʻomaʻamaʻa ʻana i ka wai, e like me nā kānana media like ʻole, ua māhele ʻia nā lako kānana mīkini i ʻelua mau ʻano: particulate media filtration a me fiber filtration. Hoʻohana nui ka kānana media granular i nā mea kānana e like me ke one a me ka ʻiliʻili e like me ke kānana media, ma o ka adsorption o nā mea kānana particulate a ʻO nā pores ma waena o nā ʻāpana one hiki ke kānana ʻia e ka paʻa paʻa i loko o ke kino wai. ʻO ka pōmaikaʻi ʻo ia ka maʻalahi o ka backflush. ʻO ka hemahema ʻo ia ka lohi o ka kānana kānana, ʻaʻole ma mua o 7m/h; liʻiliʻi ka nui o ka interception, a ʻo ka papa kānana kumu wale nō ka ʻili o ka papa kānana; ʻO ka haʻahaʻa haʻahaʻa, ʻo 20-40μm wale nō, ʻaʻole kūpono no ka kānana wikiwiki ʻana o ka wai turbidity kiʻekiʻe.
Hoʻohana ka HEPA asymmetric fiber filter system i ka asymmetric fiber bundle material e like me ka mea kānana, a ʻo ka mea kānana he asymmetric fiber. Ma ke kumu o ka mea kānana puʻupuʻu fiber, hoʻohui ʻia kahi kumu e hana i ka mea kānana fiber a me ka mea kānana particulate. ʻO nā pōmaikaʻi, ma muli o ke ʻano kūikawā o ka mea kānana, ua hoʻokumu koke ʻia ka porosity o ka moena kānana i kahi gradient density nui a liʻiliʻi, i loaʻa i ka kānana ka wikiwiki kānana wikiwiki, ka nui o ka interception, a me ka maʻalahi backwashing. Ma o ka hoʻolālā kūikawā, ka dosing, ʻO ka hui ʻana, flocculation, filtration a me nā kaʻina hana ʻē aʻe i hana ʻia i loko o kahi reactor, i hiki ai i nā mea hana ke hoʻopau pono i ka mea kūlohelohe i hoʻokuʻu ʻia i loko o ke kino wai aquaculture, hoʻemi i ke kino wai COD, ammonia nitrogen, nitrite, etc.

ʻO ka laulā kānana fiber asymmetric kūpono:
1. ʻO ka mālama ʻana i ka wai e holo ana i ka iʻa;
2. ʻO ka wai hoʻoheheʻe ʻana i ka wai a me ka mālama ʻana i ka wai kaʻapuni ʻoihana;
3. Ka mālama ʻana i nā kino wai eutrophic e like me nā muliwai, nā loko, a me nā kahawai ʻohana;
4. Ka wai hou.7 Q! \. h1 F# L

HEPA asymmetric fiber filter mechanism:
Asymmetric fiber kānana hana
ʻO ka ʻenehana koʻikoʻi o ka HEPA gradient density density fiber filter e hoʻohana i ka asymmetric fiber bundle material e like me ka mea kānana, hoʻokahi hope o ia he kaʻa kaʻa wehe, a ʻo ka ʻaoʻao ʻē aʻe o ka fiber tow i hoʻopaʻa ʻia i loko o ke kino paʻa me ka umekaumaha kikoʻī nui. I ka kānana ʻana, nui ka ʻumekaumaha kikoʻī. He kuleana ko ke kumu paʻa i ka hoʻopaʻa ʻana o ke kāwele fiber. I ka manawa like, ma muli o ka liʻiliʻi o ke kumu, ʻaʻole i hoʻopilikia nui ʻia ka like ʻole o ka hāʻawi ʻana i ka hapa o ka ʻāpana kānana, no laila e hoʻomaikaʻi ai i ka hiki ʻana o ka moena kānana. Loaʻa i ka moena kānana nā mea maikaʻi o ka porosity kiʻekiʻe, kahi liʻiliʻi kikoʻī kikoʻī liʻiliʻi, kiʻekiʻe filtration rate, nui interception nui a kiʻekiʻe filtration precision. Ke hele ka wai i hoʻokuʻu ʻia i loko o ka wai ma ka ʻili o ka kānana fiber, ua hoʻokuʻu ʻia ma lalo o van der Waals gravitation a me electrolysis. ʻOi aku ka nui o ka hoʻopili ʻana o nā pūpū paʻa a me ka fiber ma mua o ka hoʻopili ʻana i ke one quartz, ʻo ia ka mea e pono ai ka hoʻonui ʻana i ka wikiwiki filtration a me ka filtration precision.

I ka wā holoi hope, ma muli o ka ʻokoʻa o ka umekaumaha kikoʻī ma waena o ke kumu a me ke filament, ua ʻōpuʻu a oscillate ka huelo me ke kahe o ka wai holoi hope, e hopena i ka ikaika huki ikaika; ʻo ka hui ʻana ma waena o nā mea kānana e hoʻonui ai i ka ʻike ʻana o ka fiber i ka wai. ʻO ka ikaika mechanical, ke ʻano like ʻole o ka mea kānana e hoʻohuli i ka mea kānana ma lalo o ka hana o ke kahe wai backwash a me ke kahe ʻana o ka ea, a hoʻoikaika i ka ikaika shear mechanical o ka mea kānana i ka wā o ka holoi ʻana. ʻO ka hui pū ʻana o kēia mau mea ikaika e hoʻopili ai i ka fiber. ʻO nā ʻāpana paʻa paʻa ma luna o ka ʻili he mea maʻalahi ia, no laila e hoʻomaikaʻi ai i ka pae hoʻomaʻemaʻe o ka mea kānana, i loaʻa i ka asymmetric fiber filter material ka hana backwash o ka mea kānana particulate.+ l, c6 T3 Z6 f4 y

ʻO ke ʻano o ka moena kānana gradient density mau loa kahi e paʻa ai ka mānoanoa:
ʻO ka moena kānana i haku ʻia me nā mea kānana puʻupuʻu asymmetric fiber e hoʻoikaika i ka pale i ka wā e kahe ai ka wai ma ka papa kānana ma lalo o ka hoʻopili ʻana o ke kahe wai. Mai luna a lalo, ua hoʻemi iki ʻia ke poʻo o ke poʻo, ʻoi aku ka wikiwiki a me ka wikiwiki o ka kahe wai, a ua hoʻopili ʻia ka mea kānana. Ke piʻi aʻe nei ke kiʻekiʻe, e liʻiliʻi a liʻiliʻi ka porosity, no laila e hoʻokumu ʻia kahi papa kānana gradient density mau ma ke ala kahe wai e hana i kahi ʻano pyramid inverted. He mea maikaʻi loa ka hoʻolālā no ka hoʻokaʻawale maikaʻi ʻana o nā mea paʻa i ka wai, ʻo ia hoʻi, nā mea i hoʻopaʻa ʻia ma ka moena kānana e maʻalahi a hoʻopaʻa ʻia i loko o ka moena kānana o ke kahawai haʻahaʻa haʻahaʻa, e loaʻa ana i ka kūlike o ka wikiwiki kānana kiʻekiʻe a me ka kānana kiʻekiʻe, a me ka hoʻomaikaʻi ʻana i ka kānana. Hoʻonui ʻia ka nui o ka interception e hoʻonui i ka pōʻai kānana.

Nā hiʻohiʻona kānana HEPA
1. High filtration precision: hiki i ka neʻe ʻana o nā mea paʻa i hoʻokuʻu ʻia i ka wai ma mua o 95%, a loaʻa iā ia kekahi hopena hoʻoneʻe ma luna o ka macromolecular organik mea, virus, bacteria, colloid, hao a me nā mea haumia ʻē aʻe. Ma hope o ka hoʻomaʻamaʻa coagulation maikaʻi o ka wai i mālama ʻia, Ke 10 NTU ka wai inlet, aia ka effluent ma lalo o 1 NTU;
2. He wikiwiki ka kānana kānana: maʻamau 40m / h, a hiki i 60m / h, ʻoi aku ma mua o 3 manawa i ka kānana one maʻamau;
3. Ka nui o ka lepo: maʻamau 15 ~ 35kg / m3, ʻoi aku ma mua o 4 mau manawa i ka kānana one maʻamau;
4. He haʻahaʻa ka nui o ka hoʻohana ʻana i ka wai o ka holoi ʻana: ʻoi aku ka liʻiliʻi o ka wai o ka holoi ʻana ma mua o 1 ~ 2% o ka nui kānana wai;
5. ʻO ka haʻahaʻa haʻahaʻa, nā koina hana haʻahaʻa: ma muli o ke ʻano o ka moena kānana a me nā ʻano o ka kānana ponoʻī, ʻo ka flocculant dosage ʻo 1/2 a 1/3 o ka ʻenehana maʻamau. E emi pū ana ka hoʻonui ʻana i ka hana wai pōʻai a me ke kumukūʻai hana o nā tona wai;
6. Ka wāwae liʻiliʻi: ka nui o ka wai, ʻoi aku ka liʻiliʻi ma mua o 1/3 o ka kānana one maʻamau;
7. Hiki ke hoʻololi. Hiki ke hoʻololi ʻia nā ʻāpana e like me ka pololei kānana, ka mana interception, a me ke kūpaʻa kānana e like me ka mea e pono ai;
8. He lōʻihi ka mea kānana a he ola lawelawe ma mua o 20 mau makahiki. r! O4 W5 _, _3 @7 `& W) r- g.

Kaʻina hana o ka kānana HEPA
Hoʻohana ʻia ka mea hana flocculating dosing e hoʻohui i ka flocculating agent i ka wai kahe, a kaomi ʻia ka wai maka e ka paila hoʻoikaika. Ma hope o ka hoʻoulu ʻia ʻana o ka mea flocculating agent e ka impeller pump, ua hoʻokuʻu ʻia nā ʻāpana paʻa paʻa i loko o ka wai maka a kau ʻia ka mea colloidal i ka hopena microflocculation. Hoʻokumu ʻia nā flocs i ʻoi aku ka nui ma mua o 5 microns a kahe ʻia ma o ka ʻōnaehana kānana e paipu ana i ka kānana fiber asymmetric HEPA, a mālama ʻia nā flocs e ka mea kānana.

Hoʻohana ka ʻōnaehana i ke kinoea a me ka wai i hui pū ʻia, hāʻawi ʻia ka ea backwashing e ka peʻahi, a hāʻawi pololei ʻia ka wai holoi hope e ka wai paila. Hoʻokuʻu ʻia ka wai ʻōpala o ka ʻōnaehana (HEPA automatic gradient density fiber filter backwash wastewater) i loko o ka ʻōnaehana mālama wai ʻino.

ʻIke leak kānana HEPA
ʻO nā mea hana maʻamau no ka ʻike ʻana i ka leak kānana HEPA ʻo ia: counter particle particle a me 5C aerosol generator.
Helu ʻāpana lepo
Hoʻohana ʻia ia e ana i ka nui a me ka helu o nā ʻāpana lepo i loko o ka nui o ka ea ma kahi kaiapuni maʻemaʻe, a hiki ke ʻike pololei i kahi kaiapuni maʻemaʻe me ka pae maʻemaʻe o nā ʻumi a 300,000. ʻO ka liʻiliʻi liʻiliʻi, ke kaumaha māmā, ka pololei ʻike kiʻekiʻe, ka hana maʻalahi a maʻalahi, ka mana microprocessor, hiki ke mālama a paʻi i nā hopena ana, a hoʻāʻo i ke kaiapuni maʻemaʻe.

5C aerosol generator
Hoʻopuka ka mea hana aerosol TDA-5C i nā ʻāpana aerosol like ʻole o nā māhele anawaena like ʻole. Hāʻawi ka mea hana aerosol TDA-5C i nā ʻāpana paʻakikī i ka wā i hoʻohana ʻia me kahi photometer aerosol e like me TDA-2G a i ʻole TDA-2H. E ana i nā ʻōnaehana kānana pono kiʻekiʻe.

4. Nā hiʻohiʻona maikaʻi like ʻole o nā kānana ea
Ke hōʻikeʻia ka lepo lepo i loko o ke kinoea i hoʻopiliʻia e ke kaumaha kaumaha,ʻo ka maikaʻi ke kaumaha kaumaha; ke hōʻikeʻia ka manaʻo,ʻo ka maikaʻi ka hana kūpono; ke hoʻohana ʻia ka nui kino ʻē aʻe e like me ka pili pono, ka colorimetric efficiency a i ʻole Turbidity efficiency, etc.
ʻO ka hōʻike maʻamau ka helu ʻana i ka maikaʻi i hōʻike ʻia e ka neʻe ʻana o nā ʻāpana lepo i ka ea inlet a me waho o ka kānana.

1. Ma lalo o ka helu lewa ea, e like me ka national standard GB/T14295-93 "air filter" a me GB13554-92 "HEPA air filter", ka pono o nā kānana like 'ole penei:
He kānana koʻikoʻi, no ka ≥5 micron particles, kānana pono 80>E≥20, kū'ē mua ≤50Pa.
ʻO kāna kānana maʻamau, no ka ≥1 micron particles, kānana pono 70>E≥20, kū'ē mua ≤80Pa.
HEPA kānana, no ka ≥1 micron particles, kānana pono 99>E≥70, mua kū'ē ≤100Pa.
Sub-HEPA kānana, no ka ≥0.5 micron particles, kānana pono E≥95, mua kū'ē ≤120Pa.
HEPA kānana, no ka ≥0.5 micron particles, kānana pono E≥99.99, mua kū'ē ≤220Pa.
Ultra-HEPA kānana, no ka ≥0.1 micron particles, kānana pono E≥99.999, kū'ē mua ≤280Pa.

2. No ka mea, he nui na hui e hoohana ana i na kānana i laweia mai, a o ko lakou mau ano o ka hoike ana i ka pono, he okoa ko lakou ma Kina, no ka hoohalike ana, ua heluia ka pilina hulili mawaena o lakou penei:
Wahi a nā kūlana ʻEulopa, ua hoʻokaʻawale ʻia ka kānana coarse i ʻehā mau pae (G1~~G4):
ʻO ka maikaʻi o G1 No ka nui o ka nui ≥ 5.0 μm, ka pono kānana E ≥ 20% (e like me ka US Standard C1).
G2 maikaʻi No ka nui o ka pōpō ≥ 5.0μm, kānana pono 50> E ≥ 20% (e like me ka maʻamau US C2 ~ C4).
G3 maikaʻi No ka mea nui ≥ 5.0 μm, kānana pono 70> E ≥ 50% (e like me US standard L5).
G4 maikaʻi No ka nui o ka ʻāpana ≥ 5.0 μm, ka pono kānana 90> E ≥ 70% (e like me ka US standard L6).

Ua māhele ʻia ka kānana waena i ʻelua pae (F5~~F6):
F5 Efficiency No ka nui o ka nui ≥1.0μm, ka pono kānana 50> E≥30% (e like me nā kūlana US M9, M10).
F6 Efficiency No ka nui o ka nui ≥1.0μm, ka pono kānana 80>E≥50% (e like me nā kūlana US M11, M12).

Ua māhele ʻia ka HEPA a me ka kānana waena i ʻekolu pae (F7~~F9):
F7 Efficiency No ka nui o ka nui ≥1.0μm, ka pono kānana 99>E≥70% (e like me ka US standard H13).
F8 Efficiency No ka nui o ka nui ≥1.0μm, ka pono kānana 90> E≥75% (e like me ka US standard H14).
F9 Efficiency No ka nui particle ≥1.0μm, filtration efficiency 99>E≥90% (e like me ka US standard H15).

Ua māhele ʻia ka kānana sub-HEPA i ʻelua pae (H10, H11):
H10 Efficiency No ka nui liki ≥ 0.5μm, kānana pono 99> E ≥ 95% (e like me ka US standard H15).
H11 Efficiency ʻO ≥0.5μm ka nui o ka filtration a ʻo ka pono kānana he 99.9>E≥99% (e like me ka American Standard H16).

Ua māhele ʻia ka kānana HEPA i ʻelua pae (H12, H13):
H12 Efficiency No ka mea nui ≥ 0.5μm, filtration efficiency E ≥ 99.9% (kulike me US standard H16).
H13 Efficiency No ka nui o ka pōpō ≥ 0.5μm, ka pono kānana E ≥ 99.99% (e like me ka US standard H17).

5.Primary\medium\HEPA ea kānana koho
Pono e hoʻonohonoho ʻia ka kānana ea e like me nā koi hana o nā manawa like ʻole, i hoʻoholo ʻia e ke koho ʻana o ka kānana ea mua, waena a me HEPA. Aia ʻehā mau hiʻohiʻona nui o ka kānana ea loiloi:
1. ea kānana māmā holo
2. ea kānana pono
3. pale ea kānana
4. ea kānana lepo paʻa mana

No laila, i ke koho ʻana i ka kānana ea mua / medium/HEPA, pono e koho ʻia nā ʻāpana hana ʻehā e like me ia.
①E hoʻohana i kahi kānana me kahi wahi kānana nui.
ʻO ka nui o ka wahi kānana, ʻoi aku ka haʻahaʻa o ka kānana a me ka liʻiliʻi o ke kūpaʻa kānana. Ma lalo o kekahi mau kūlana hana kānana, ʻo ia ka nui o ka ea o ka kānana e hōʻike ana i ka helu kānana. Ma lalo o ka like cross-sectional wahi, he mea makemake i ka nui o ka helu helu ea ua aeia, a me ka haʻahaʻa ka helu ea leo, ka haʻahaʻa o ka pono a me ka haʻahaʻa ke kū'ē. I ka manawa like, ʻo ka hoʻonui ʻana i ka wahi kānana ʻo ia ke ala maikaʻi loa e hoʻonui ai i ke ola o ka kānana. Ua hōʻike ka ʻike i nā kānana no ka hoʻolālā like, ka mea kānana like. Ke hoʻoholo ʻia ke kūpaʻa hope, hoʻonui ʻia ka wahi kānana e 50% a hoʻonui ʻia ke ola kānana e 70% a 80% [16]. Eia naʻe, e noʻonoʻo ana i ka hoʻonui ʻana i ka wahi kānana, pono e noʻonoʻo ʻia ke ʻano a me nā kūlana kahua o ka kānana.

②Ka hoʻoholo kūpono o ka pono kānana ma nā pae āpau.
I ka hoʻolālāʻana i ka ea, e hoʻoholo mua i ka pono o ka kānana hope loa e like me nā koi maoli, a laila koho i ka kānana mua no ka pale. No ka hoʻohālikelike pono i ka pono o kēlā me kēia pae o ka kānana, ʻoi aku ka maikaʻi o ka hoʻohana ʻana a me ka hoʻonohonoho ʻana i ka nui o nā mea kānana kānana maikaʻi loa o kēlā me kēia o nā kānana maikaʻi ʻole a me waena. Pono e hoʻoholo ʻia ke koho o ka kānana mua ma muli o nā kumu e like me ke kaiapuni hoʻohana, nā kumukūʻai ʻāpana, ka hoʻohana ʻana i ka ikehu, nā kumukūʻai mālama a me nā mea ʻē aʻe. Hōʻike ʻia ka helu haʻahaʻa haʻahaʻa o ka kānana ea me nā pae kūpono like ʻole no nā nui like ʻole o nā ʻāpana lepo i hōʻike ʻia ma ke Kiʻi 1. ʻO ka mea maʻamau e pili ana i ka pono o kahi kānana hou me ka ʻole o ka uila paʻa. I ka manawa like, pono e ʻokoʻa ka hoʻonohonoho ʻana o ka kānana ea hōʻoluʻolu mai ka ʻōnaehana hoʻomaʻemaʻe ea, a pono e kau ʻia nā koi like ʻole ma ka hoʻokomo ʻana a me ka pale ʻana i ka leakage o ka kānana ea.

③ʻO ke kū'ēʻana o ka kānana ka mea nui i ka paleʻana o nā mea kānana a me ke kū'ēʻana o ka kānana. Hoʻonui ka pale lehu kānana, a ʻoki ʻia ka kānana i ka wā e piʻi ai ke kūpaʻa i kekahi waiwai. ʻO ke kū'ē hope e pili pono ana i ke ola lawelawe o ka kānana, ka laulā o ka hoʻololi ʻana o ka ea ʻōnaehana, a me ka hoʻohana ʻana i ka ikehu ʻōnaehana. Hoʻohana pinepine nā kānana haʻahaʻa haʻahaʻa i nā mea kānana fiber coarse me ke anawaena oi aku ma mua o 10/., tm. Nui ka āwaha ma waena o ka fiber. Hiki i ke kū'ē nui ke puhi i ka lehu ma luna o ke kānana, e hoʻohaumia i ka lua. I kēia manawa, ʻaʻole e hoʻonui hou ʻia ke kū'ē, ʻaʻole ʻoi aku ka maikaʻi o ka kānana. No laila, pono e kaupalena 'ia ka waiwai kū'ē hope o ka kānana ma lalo o G4.

④ʻO ka lepo paʻa o ka kānana he hōʻailona pili pono i ke ola lawelawe. I ke kaʻina o ka hoʻoulu ʻana o ka lepo, ʻoi aku ka maikaʻi o ka kānana me ka haʻahaʻa haʻahaʻa e hōʻike i nā hiʻohiʻona o ka hoʻonui ʻana i ka pono mua a laila e emi iho. ʻO ka hapa nui o nā kānana i hoʻohana ʻia i nā ʻōnaehana hoʻoheheʻe ʻana o ka ea waena, ʻaʻole hiki ke hoʻomaʻemaʻe a ʻaʻole pono e hoʻomaʻemaʻe.