Ihe nzacha HEPA bụ isi nzacha a na-eji n'ọtụtụ nchacha ikuku. A na-ejikarị ya enyocha obere uzuzu ụmụ irighiri ihe na ihe dị iche iche kwụsịtụrụ nwere dayameta karịa 0.3μm. Ọdịiche ọnụahịa nke ihe nzacha HEPA n'ahịa buru ibu. Na mgbakwunye na ihe ọnụahịa nke ngwaahịa n'onwe ha, enwere njikọ ụfọdụ na ọkwa nke nzacha HEPA.
A na-ekewa ihe nzacha HEPA na ihe ndị yiri ya n'ime G1-G4, F5-F9, H10-H14 na U15-U17 dịka ọnụ ọgụgụ Europe dị ugbu a. Ụdị nchacha ikuku na-adịkarị bụ ọkwa H, nke bụ nzacha dị mma ma ọ bụ nke na-arụ ọrụ nke ọma. A ghọtara H13 dị ka ihe nzacha H13-14 kacha mma. Ihe nzacha HEPA nke ọkwa H13 nwere ike nweta mkpokọta arụmọrụ nke 99.95%. Ngụkọta arụmọrụ nke nzacha HEPA ọkwa H14 nwere ike iru 99.995%.
N'ezie, ọkwa dị ọcha kachasị elu nke nzacha HEPA na ọkọlọtọ European bụ ọkwa U, yana ọkwa HEPA kachasị mma nke U-17 nwere ngụkọta ịdị ọcha nke 99.999997%. Agbanyeghị, n'ihi na nzacha HEPA U-ọkwa dị oke ọnụ iji rụpụta ya, ọ na-achọsi ike na gburugburu nrụpụta. Ya mere, ọ bụghị ọtụtụ ngwa na ahịa.
Na mgbakwunye na ọkwa nchacha, ihe nzacha HEPA nwere ogo ọkụ. Ahịa ahụ na-ekewa ya na ọkwa atọ dị ka ogo nke ọkụ ọkụ: isi HEPA ntupu, ihe niile nke HEPA ntupu bụ ndị na-abụghị combustible, na ndị na-abụghị combustible ihe kwesịrị kwekọọ GB8624- 1997 Klas A; Ihe ntanetị HEPA nke abụọ, ihe nzacha ihe nzacha HEPA kwesịrị ekwekọghị na GB8624-1997 Klas A anaghị ere ọkụ, efere nkebi, enwere ike iji etiti dịka GB8624-1997 B2 klas flammable. Maka netwọk HEPA ọkwa atọ, enwere ike iji ihe niile nke netwọk HEPA mee ihe dịka ihe GB8624-1997 B3 si dị.
Na mgbakwunye na akara ule, ihe nzacha HEPA na-abịa na ihe dị iche iche. Ihe ndị a na-ahụkarị bụ ụdị ise: PP filter paper, composite PET filter paper, meltblown polyester nonwoven fabric na meltblown glass fiber. Ụdị ise dị iche iche nke netwọk HEPA nzacha nwere uru na ọghọm nke ha, na mpaghara ngwa ngwa dịkwa iche. A na-eji ihe nzacha HEPA nke akwụkwọ nzacha PP eme ihe n'ọtụtụ ebe na-asachapụ ikuku n'ihi nguzogide acid na alkali, nguzogide corrosion, ebe mgbaze dị elu, arụmọrụ kwụsiri ike, adịghị egbu egbu, enweghị isi, nkesa otu, nguzogide dị ala, arụmọrụ dị elu na nchebe gburugburu ebe obibi.
N'ikpeazụ, ka anyị kwuo maka onye na-asọmpi HEPA ntupu nzacha n'elu ikuku na-asachapụ - ihe nzacha ihe mejupụtara HEPA nke HEPA uzuzu uzuzu na-ekpo ọkụ na-eme ka carbon aki oyibo na-arụ ọrụ na carbon fiber composite na-arụ ọrụ. Nchacha ikuku site na iji ụdị nzacha a Ngwaọrụ dị mma karịa ihe nzacha ikuku HEPA n'ihe gbasara ụdị nchacha na ịdị ọcha. Ya mere, ọtụtụ ndị na-azụ ahịa amalitela ịhapụ ihe nzacha HEPA kama họrọ ihe nzacha ikuku.
Oge nzipu: Jan-05-2017