H窺C CH遺T L碓NG TÍNH TỐN (CFD)
3.8.1 Rj逢挨pi"rjáp CFD
CFD n "rj逢挨pi"rjƒr"rj¤p"v ej"u嘘"u穎"f映pi"o»"rj臼pi"f詠c"vt‒p"oƒ{"v pj0"P„"ewpi" e医r"eƒk"pj·p"ejk"vk院v"x隠"f”pi"n逢w"ej医v"n噂p"x "rj泳e"v衣r."u詠"vtw{隠p"pjk羽v"x "eƒe"jk羽p"v逢嬰pi" nk‒p"swcp"pj逢"rj違p"泳pi"j„c"j丑e"jq員e"u詠"ncp"vtw{隠p"j衣v"x噂k"u詠"j厩"vt嬰"e栄c"oƒ{"v pj"v嘘e"8瓜" ecq0"Rj逢挨pi"rjƒr"p {"8„pi"o瓜v"xck"vt”"swcp"vt丑pi"vtqpi"pjk隠w"n pj"x詠e"m悦"vjw壱v"x "vt違k"f k" vt‒p"o瓜v"nq衣v"eƒe"n pj"x詠e"泳pi"f映pi"*e違"vtqpi"e»pi"pijk羽r"x "rjk"e»pi"pijk羽r+"dcq"i欝o"
31
rj¤p"v ej"mj "8瓜pi"j丑ẹ mj»pi"ikcp"x "vt映."o»"rj臼pi"vj運k"vk院v."m悦"vjw壱v"f¤p"f映pi"Ỵ mơi
vt逢運pị"vjk院v"m院"j羽"vj嘘pi"e»pi"pijk羽r"x "rj¤p"v ej."m悦"vjw壱v"ukpj"j丑ẹ"e挨"j丑e"Ỵ phân tích
swƒ"vt·pj"8嘘v"ejƒ{."x "v嘘k"逢w"j„c"o»"j·pj"nw欝pi"mj»pi"mj ."vj»pi"ik„"vtqpi"d羽pj"xk羽p"jq員e" e挨"u荏0
M院v"sw違"rj¤p"v ej"EHF"e„"vj吋"ik¿r"ik違o"ejk"rj ."ƒr"n詠e"{‒w"e亥w"x隠"pijk‒p"e泳w."ej院" v衣q."vjk院v"m院"o噂k."vj穎"pijk羽o"x "mk吋o"vtc0"EHF"ewpi"e医r"eƒk"pj·p"ejk"vk院v"x隠"u詠"rj¤p"vƒp" j衣v."mj穎"mjw育p"vtqpi"mj»pi"mj 0"Pjk隠w"pijk‒p"e泳w"v壱r"vtwpi"x q"vjk院v"m院"x "泳pi"f映pi"j羽" vj嘘pi"vj»pi"ik„"dcq"i欝o"rj¤p"vƒp"o亥o"d羽pj"x "8ƒpj"ikƒ"jk羽w"sw違"e栄c"vjk院v"d鵜"mj穎"mjw育p" mj»pi"mj ."8員c dk羽v"v衣k"eƒe"rj”pi"o鰻."rj”pi"j欝k"u泳e"e医r"e泳w."rj”pi"d羽pj"vtqpi"d羽pj"xk羽p0" Vtqpi"pijk‒p"e泳w"p {."EHF"rj¤p"v ej"u詠"rj¤p"vƒp"o亥o"d羽pj"x "8ƒpj"ikƒ"jk羽w"sw違"vjk院v"d鵜" v衣q"nw欝pi"mj "u衣ej"vtqpi"rj”pi"o鰻"d茨pi"eƒej"ƒr"f映pi"rj逢挨pi"rjƒr"vj吋"v ej"j英w"j衣p"x噂k" u詠"j厩"vt嬰"e栄c"CPU[U"Hnwgpv0"Ok隠p"n逢w"ej医v"8逢嬰e"rj¤p"vƒej"vj pj"o瓜v"v壱r"j嬰r"j英w"j衣p" vjk院v"n壱r"ejq"vj吋"v ej"j英w"j衣p0"Eƒe"rj逢挨pi"vt·pj"d違q"vq p"mj嘘k"n逢嬰pị"8瓜pi"n逢嬰pị"p<pi" n逢嬰pi"8逢嬰e"ik違k"sw{院v"ejq"vj吋"v ej"j英w"j衣p0"Eƒe"rj逢挨pi"vt·pj"8衣q"j o"tk‒pi"nk‒p"v映e"8逢嬰e" vƒej"t運k"vj pj"o瓜v"j羽"rj逢挨pi"vt·pj"8衣k"u嘘"vw{院p"v pj"e„"vj吋"8逢嬰e"ik違k"d茨pi"rj亥p"o隠o" CPU[U0"D k"vqƒp"EHF"x壱p"v嘘ẹ"ƒr"uw医v."pjk羽v"8瓜."vj吋"v ej."È"8逢嬰e"rj¤p"rj嘘k"vt‒p"o»"j·pj0" A吋"o»"rj臼pi"jq衣v"8瓜pi"e栄c"n逢w"ej医v."EHF"8逢嬰e"vjk院v"n壱r"8吋"v·o"pijk羽o"j瓜k"v映"e栄c" j羽"rj逢挨pi"vt·pj"pj逢"rj逢挨pi"vt·pj"nk‒p"v映ẹ"d違q"vq p"8瓜pi"n逢嬰pi"x "rj逢挨pi"vt·pj"j厩p"nq衣p
[39]0"Vtqpi"pijk‒p"e泳w"p {."o»"j·pj"uvcpfctf"m-i"8逢嬰e"u穎"f映pi"ejq"f”pi"n逢w"ej医v"ej違{" t嘘k"x·"p„"ocpi"n衣k"8瓜"ej pj"zƒe"v pj"vqƒp [40].
E»pi"vj泳e"rj逢挨pi"vt·pj"nk‒p"v映e"
"柱岫tp"岻
柱担 + ı© (tp) = 0 (3.21)
32
"柱岫tp"岻
柱担 + ı© (tp˚p) = tg - ıp + µı2p (3.22)
vtqpi"8„"p là áp su医v."p n "xgev挨"x壱p"v嘘ẹ"g n "xgev挨"ikc"v嘘e"x µ n "8瓜"pj噂v" 8瓜pi"n詠e"j丑e0
3.8.2 Phân tán khơng khí trong mơ hình thi院t b鵜 t衣o lu欝ng khí s衣ch dùng trong y t院.
Sw{"vt·pj"o»"rj臼pi EHF"8逢嬰e"vt·pj"d {"vtqpi"j·pj"5.120"E„"d嘘p"d逢噂e"ej pj"e亥p" vjk院v"ejq"o瓜v"x医p"8隠"EHF"dcq i欝o"zƒe"8鵜pj"x医p"8隠"*rtqdngo"kfgpvkhkecvkqp+."vk隠p"z穎"n#" *rtgrtqeguukpi+."ik違k"sw{院v"*uqnxkpi+"x "j壱w"z穎"n#"*rquv-processing).
33
34
EJ姶愛PI"6< THI蔭T K蔭 VÀ HỒN THI烏N MƠ HÌNH H烏 TH渦NG THI蔭T B卯
O»"j·pj"j羽"vj嘘pi"v衣q"nw欝pi"mj "u衣ej"8逢嬰e"pijk‒p"e泳w."o»"rj臼pi"f詠"mk院p."vjk院v"m院."ej院" v衣q"vj pj"u違p"rj育o"vjgq"o瓜v"nq衣v"eƒe"d逢噂e"pj逢"ucw<
4.1 THƠNG S渦 THI蔭T K蔭
O»"j·pj"j羽"vj嘘pi vjk院v"d鵜"8逢嬰e"vjk院v"m院 ucq"ejq"v衣q"o瓜v"mj»pi"ikcp"x»"mjw育p"vt‒p d p"8吋"f映pi"e映"rj磯w"vjw壱v"*Oc{q"Uvcpf1"Oc{q"Kpuvtwogpv"Uvcpf+"x噂km ej"vj逢噂e"722 mm x 1000 mm x 200 mm (t瓜pi"z"f k"z"ecq).
Vjgq"sw{"8鵜pj"rj”pi"o鰻, vjk院v"d鵜"{‒w"e亥w"8衣v"vk‒w"ejw育p"ej医v"n逢嬰pi"8衣v"KUQ"e医r"7" v逢挨pi"泳pi"Itcfg"C"*YJQ+"jq員e"ecq"j挨p."v逢挨pi"8逢挨pi"p欝pi"8瓜"j衣v"n "3520 @ 0,5 µm và
32422"B"2.5"o"x "o泳e"8瓜"»"pjk宇o"xk"ukpj"x壱v"ø"3"EHW16ik運0"O»"j·pj"vjk院v"d鵜"v衣q"tc" nw欝pi"mj " v"pjk宇w"nq衣p"e„"mj違"p<pi"8育{"mj»pi"mj "d鵜"»"pjk宇o"x隠"rj c"vt逢噂e"tc"mj臼k"x́pi" u衣ej"x噂k"x壱p"v嘘e"nw欝pi"mj "2.6"Ỵ2.7"o1u"*荏"ew嘘k"d p"8吋"f映pi"e映"rj磯wvjw壱v+."n逢w"n逢嬰pi"647
m31j0"Fq"8„."x噂k"n丑e"JGRC"e亥p"e„"sw衣v"@"647 m31j"x "ƒr"uw医v"@"472Rc0"Nw欝pi"mj»pi"mj " 8逢嬰e"rj¤p"rj嘘k"e映e"d瓜"x "mj»pi"違pj"j逢荏pi"8院p"eƒe"j羽"vj嘘pi"vj»pi"ik„"zwpi"swcpj0"O»" j·pj"vjk院v"d鵜"jq衣v"8瓜pi"8欝pi"vj運k"x噂k"bàn 8吋"f映pi"e映"rj磯w"vjw壱v"pj茨o"8違o"d違q vơ trùng
vq p"x姻p"ejq"f映pi"e映"vtqpi"uw嘘v"swƒ"vt·pj"rj磯w"vjw壱v0"Jk羽w"sw違"nw欝pi"mj "fw{"vt·"o泳e"8瓜" u衣ej"vt‒p"o瓜v"x́pi"e„"m ej"vj逢噂e"ejk隠w"t瓜pi"722"oo"x "ejk隠w"f k"3222"oọ"vtqpi"8k隠w"
A逢c"tc"eƒe"{‒w"e亥w"vjk院v"m院"f詠"mk院p"ejq"o»"j·pj"j羽" vj嘘pi"v衣q"nw欝pi"mj "u衣ej Vjk院v"m院"o»"j·pj"f詠"mk院p."n詠c"ej丑p"vj»pi"u嘘"rj́"j嬰r" ejq"v瑛pi"d瓜"rj壱p"ejk"vk院v V pj"vqƒp"o»"rj臼pi"f詠c"vt‒p"eƒe"vj»pi"u嘘"8«"ej丑p"f詠c" vt‒p"o»"j·pj"f詠"mk院p Vjk"e»pị"jq p"vjk羽p"o»"j·pj"v瑛"m院v"sw違"o»"rj臼pi"8衣v" 8逢嬰e Vj詠e"jk羽p"vj穎"pijk羽ọ"8ƒpj"ikƒ"m院v"sw違
35
mk羽p"nw欝pi"mj "mj»pi"d鵜"ej員p"d荏k"vjk院v"d鵜"x "pj¤p"xk‒p0"Vj‒o"x q"8„."o»"j·pj"j羽"vj嘘pi" {‒w"e亥w"8衣v"mj穎"mjw育p"mj»pi"mj ";;.;;;;'"v逢挨pi"8逢挨pi"8"nqi0
O»"j·pj"vjk院v"m院"vjk院v"d鵜"f詠"mk院p"u胤"dcq"i欝o"eƒe"vj pj"rj亥p"ucw: n丑e"JGRC"J36."8flp"
UVC Ỵ476"pọ"n逢噂k"VkQ2."sw衣v"Dnqygt. U穎"f映pi"n丑e"JGRC"J36"e„"o泳e"n逢w"n逢嬰pi"647"
m3/h và ár"uw医v"472"Rc0"Vjk院v"m院"{‒w"e亥w"8衣v"v嘘e"8瓜"ik„"n噂p"j挨p 2.6"o1u"荏"x鵜"vt "zc"pj医v" vtqpi"x́pi"u衣ej0"
4.2 THI蔭T K蔭 MƠ HÌNH VÀ L衛A CH窺N THƠNG S渦 PHÙ H営P CHO T洩NG
B浦 PH一N CHI TI蔭T
Mơ hình f詠"mk院p"8逢嬰e"vjk院v"m院"f衣pi"j·pj"j瓜rejk"vk院v"ejq"v瑛pi"d瓜"rj壱p"8逢嬰e"vj吋"jk羽p"
theo u挨"8欝"d‒p"f逢噂k."8逢運pi"o k"v‒p"ejq"dk院v"nw欝pi"mj "8k"d‒p"vtqpi"o»"j·pj"j羽"vj嘘pi"bao
i欝o"eƒe"ikck"8q衣p"ucw<
/ Ngõ x q"mj»pi"mj "8k"swc"n丑e"vj»."8逢嬰e"mj穎"mjw育p"d茨pi"vkc"WX"x "n逢噂k"VkQ2. / Mj»pi"mj "8逢嬰e"j¿v"x q"d茨pi"sw衣v"dnqygt."vk院r"v映e"8逢嬰e"mj穎"mjw育p"v衣k"8亥w"tc"e栄c"
sw衣v"dnqygt"d茨pi"e挨"ej院"swcpi"z¿e"vƒe0
/ Mj»pi"mj "8«"8逢嬰e"mj穎"mjw育p"*mj "u衣ej+"x "8逢c"x q"dw欝pi"rj¤p"rj嘘k"mj 0
/ Mj "u衣ej"8逢嬰e"ejq"swc"n丑e"JGRC"rj¤p"rj嘘k"vt詠e"vk院r"n‒p"d隠"o員v"e栄c"d p"8吋"f映pi" e映"rj磯w"vjw壱v"*mj»pi"mj "v衣q"tc"ucw"d瓜"n丑e"JGRC"rj違k"e„"x壱pv嘘e"rj́"j嬰r"x "nw欝pi" mj " v"j厩p"nq衣p"pj医v0"N#"v逢荏pi"pj医v"荏"f衣pi"ej違{"v亥pi+0 Pi臼" vào khơng khí N丑e" thơ ⁄ 1"ﾆｴ烏" ﾆｴ 謂ﾐ" <"ﾆ壱 " ｴ陰 "~ｷjヲ x 緯 "0ﾉﾗ W " <" ｷ壱 " 隠I"ﾆｴ烏" ﾆｴ 謂ﾐ"~ｷjヲ" ]允I" HEPA Khơng khí cung I萎 " 迂I" ｷ壱 " ﾉZﾐ"H<ﾐ"U逸"S隠ﾐｪ" I隠" ｴ違 " ｴ 遺
36
Aƒr"泳pi"vjgq"{‒w"e亥w"o»"j·pj"j羽"vj嘘pi"8衣v"KUQ"e医r"7."v嘘e"8瓜"ik„"8衣v"@"2.6"o1u"x "nw欝pi"
khí v"j厩p"nq衣p"vjk院v"d鵜"8逢嬰e"vtcpi"d鵜 l丑e"JGRC"J36"vt荏"n‒p"e„"jk羽w"sw違"mj穎"mjw育p";;.;;7'" *ORRƯ0"Fq"8„."o»"j·pj"e栄cvjk院v"d鵜dcq"i欝o<
/ N丑e"JGRC"J36"m ej"vj逢噂e"527 mm x 610 mm x 36;"oọ"n逢w"n逢嬰pi"mj "n "597"
m31j."ƒr"uw医v"472"Rc0"
/ N丑e"vj»"e„"m ej"vj逢噂e"4:; mm x 594 mm x 68"oo"e„"n逢w"n逢嬰pi"mj "30860 m3/h, áp
uw医v";2"Rc0"
/ L丑e"JGRC"x "n丑e"vj»"e栄c"vjk院v"d鵜"u穎"f映pi sw衣v"bnqygt"e„"e»pi"uw医v"n噂p"j挨p"622"
m31j"x "ƒr"uw医v"n噂p"j挨p"572"Rc0
/ A吋"8違o"d違q jk羽w"sw違 mj穎"mjw育p"8衣v"o泳e"ecq"pj医v, vjk院v"d鵜 8逢嬰e"n逸r"vj‒o"3"d„pi" 8flp"WXE-254nm và màng TiO2.
4.3 TÍNH TỐN MƠ PH碓NG
4.3.1 O»"rj臼pi"o»"j·pj"j羽"vj嘘pi"vjk院v"d鵜
Nw欝pi"mj»pi"mj "nk‒p"swcp"8院p"o»"rj臼pi"EHF"vtqpi"mk吋o"uqƒv"pjk宇o"mjw育p"n "u詠" x壱p"ejw{吋p."n逸pi"8丑pi"x "v欝p"v衣k"e栄c"eƒe"j衣v"ocpi"xk"mjw育p0"Pj英pi"{院w"v嘘"p {"nk‒p"swcp" 8院p"o»"j·pj"u嘘"x "eƒe"rj逢挨pi"rjƒr"vk院r"e壱p"vtqpi"o»"rj臼pi"8吋"nw欝pi"khí ej衣{"f丑e"vjgq" d p"8吋"f映pi"e映rj磯wvjw壱v.
X噂k"8瓜pi"e挨"e„"v嘘e"8瓜"x”pi"swc{"4722"- 5722"tro"x "ƒr"f映pi"pjk隠w"nq衣k"dk‒p"f衣pi" eƒpj"sw衣v"n欝pi"u„e"rj鰻"dk院p."các o»"rj臼pi"EHF"v逢挨pi"泳pi"vj詠e"jk羽p"8吋"n詠c"ej丑p"nq衣k"dk‒p" f衣pi"eƒpj"rj́"j嬰r"8亥wtc"ƒr"uw医v"x "n逢w"n逢嬰pi"mj 0"M院v"sw違"sw衣v"dlower pj逢"j·ph 4.1 và 4.2 ejq"vj医{"v嘘e"8瓜"ik„"vtwpi"d·pj"45.58"o1ụ"hình 4.3 vj吋"jk羽p"ƒr"uw医v"v雨pj"n "4:6"Rc"荏"v嘘e" 8瓜"x”pi"swc{"4922"tro0"M院v"sw違"p {"rj́"j嬰r"ejq"vjk院v"m院"u穎"f映pi"n丑e"JGRC"J34-H14.
37
Hình 4.1 Xｆp"vぐe"swＴv
38
Hình 4.3 èr"uwＸv"swＴv
Zƒe"8鵜pj"o»"j·pj"j羽"vj嘘pi"f詠c"vt‒p"eƒe"vj»pi"u嘘"ik違"vjw{院v"sw衣v"dnqygt"e„"e»pi" uw医v"n "782"o31j."m ej"vj逢噂e"j丑pi"ik„ewpi"e医r"mj ";2 mm x ;2"oo0"N丑e"JGRC"e„"m ej" vj逢噂e"527 mm x 610 mm x 36;"oo"n "rj́"j嬰r"vjgq"{‒w"e亥w v pj"vqƒp"o»"rj臼pị"e„"n逢w" n逢嬰pi"mj "n "597"o3/h (250 Pa).
Rj亥p"o隠o"CPU[U"Hnwgpv"4242"vjk院v"n壱r"nw欝pi"mj "ewpi"e医r"x q"dw欝pi"pjk宇w"nq衣p"
Standard k-i"x噂k"v嘘e"8瓜"n逢w"n逢嬰pi"j衣v"8亥w"x q"n "203:"mi1u0"Mj»pi"mj "8k"swc"mjw"x詠e"
Porous (là mj»pi" ikcp" e栄c" n丑e" JGRC+" x噂k" nw欝pi" mj " mk吋w" Ncokpct." e„" n詠e" e違p" pj噂v"
1,105x108 1/m2x "n詠e"e違p"swƒp tính 0,9"31o0"Rj逢挨pi"rjƒr"vj詠e"jk羽p"n "UKORNG"Uejgog."
Standard Initialization, 8逢嬰e"n員r"n衣k"3222"n亥p"8吋"8衣v"8逢嬰e"m院v"sw違"8ƒpi"vkp"e壱{"x隠"o員v"vj嘘pi" m‒0"M院v"sw違"8逢嬰e"vj吋"jk羽p"荏"eƒe"j·pj"d‒p"f逢噂k0
èr"uw医v"rj¤p"d嘘"d‒p"vtqpi"o»"j·pj"vjk院v"d鵜"8逢嬰e"vj吋"jk羽p"荏"j·pj"6.40"Nw欝pi"mj "ƒp
39
Hình 4.4 èr"uwＸv"rj¤p"dぐ"d‒p"vtqpi"dwげpi"x "ewpi"eＸr"d‒p"piq k"vjkｘv"dお
Hình 4.5 và 4.6 tj吋"jk羽p"rj¤p"d嘘"v嘘e"8瓜"ik„"8衣v"8逢嬰e"2.66"Ỵ 2.76"o1u"v衣k"mjq違pi" eƒej"3"o"eƒej"o員v"n丑e"JGRC0"Ak隠w"p {"p茨o"vtqpi"rj衣o"xk"x壱p"v嘘e"8逢嬰e"8隠"zw医v"n "vt‒p" 2.6"o1u0"A逢運pi"xk隠p"x壱p"v嘘e"f詠"8qƒp"rj¤p"d嘘"vjgq"d隠"o員v"nw欝pi"mj ."u詠"rj¤p"d嘘"x壱p"v嘘e"荏" eƒe"mjq違pi"eƒej"mjƒe"pjcw"8逢嬰e"vj吋"jk羽pejk"vk院v"荏"j·pj"6.7. Hình 4.8 dk吋w"fk宇p"vt逢運pi"x壱p" v嘘e"vt‒p"o員v"rj鰯pi"v逢挨pi"v詠"pj逢"vt‒p"d p"8吋"f映pi"e映0"X·"x壱{."mj»pi"mj "u衣ej"swfiv"eƒe"DER" vt‒p"d p"8吋"f映pi"e映 rj磯w"vjw壱v."eƒe"j衣v"vtqpi"mj»pi"mj "d‒p"piq k"mjw"x詠e"u衣ej"f宇"f pi" d鵜"ew嘘p"8k"d荏k"n詠e"zqƒ{"o衣pj"荏"eƒe"i„e"nw欝pi"mj ."8欝pi"vj運k"v衣q"o瓜v"x́pi"u衣ej"mj„"z¤o" pj壱r"d荏k"eƒe"j衣v"d‒p"piq k0
40
Hình 4.5Oｐv"eｈv"vＴk"mjqＶpi"eƒej"3o"uq"xずk"dｚ"oｐv"nがe"JGRC
Hình 4.6 Rj¤p"dぐ"vぐe"8じ"ik„"ぞ"mjqＶpi"eƒej"302"o"v⇔￢pi"とpi"mjqＶpi"eƒej"f k"pjＸv"vt‒p"d p"8あ"fつpi" eつ"rjｄw"vjwｆv
41
a b
c d
42
Hình 4.8 J⇔ずpi"xgev￢"oｐv"eｈv"picpi
Hình 4.9 jk吋p"vj鵜"nw欝pi"mj "o»"rj臼pi"d茨pi"EHF"vt‒p"o瓜v"o員v"rj鰯pi"p茨o"picpi" eƒej"o員v"f逢噂k"42oo"v逢挨pi"泳pi"x噂k"o員v"d p"8吋"f映pi"e映"rj磯w"vjw壱v"e„"u詠"pjk宇w"nq衣p"vj医r" x "x壱p"v嘘e"rj́"j嬰r0 Hình 4.32"dk吋w"fk宇p"mj»pi"ikcp"5"ejk隠w"f”pi"ej違{ khí thốt ra bên
piq k"vjk院v"d鵜0
43
Hình 4.100"F”pi"ejＶ{"eてc"nwげpi"mj
F詠c"vt‒p"eƒe"m院v"sw違"o»"rj臼pi"8«"vt·pj"d {, ejq"vj医{ik違"vjw{院v"8員v"tc"ejq"eƒe"d瓜" rj壱p"vjk院v"d鵜"n "rj́"j嬰r"x噂k"j羽"vj嘘pi0"Nw欝pi"mj»pi"mj "e„"8鵜pj"j逢噂pi" v"t嘘k"pj医v0"
Thơng qua m院v"sw違"o瓜v"u嘘o»"rj臼pi"ejq"vj医{"eƒe"d瓜"rj壱p"8«"n詠c"ej丑p"ejq"o»"j·pj" vjk院v"d鵜."v嘘e"8瓜"ik„"8衣v"8逢嬰e"v瑛"2.44 Ỵ2.76"o1u"v衣k"mjq違pi"eƒej"3,0 o"vjgq"{‒w"e亥wvjk院v"m院 8員v"tc0"èr"uw医v"vtqpi"dw欝pi"ecq"pj医v"224 Pạ
4.3.2 O»"rj臼pijk羽w"sw違"mj穎"mjw育p UVC
Jk羽w"sw違"mj穎"mjw育pd茨pi"WXE-254 nm f詠c"vt‒p"nw壱p"ƒp"vk院p"u e栄c"vƒe"ik違"C0"L0"E0"
Capetillo [41]. M»"rj臼pi"EHF"e栄c"vƒe"ik違"ejq"m院v"sw違"mj穎"mjw育p"WXE"x噂k"o壱v"8瓜"e»pi" uw医v"vtwpi"d·pj"2.237"Y1eo2n "mj穎"mjw育p"8衣v"1 nqi"8逢嬰e"vj吋"jk羽p"荏"j·pj 4.11 và 4.12.
44
Hình 4.110"M ej"vj⇔ずe"ikずk"jＴp"vjkｘv"nｆr"8flp"WXE-254 nm
45
4.4 THI CƠNG VÀ HỒN THI烏N MƠ HÌNH
4.4.1 B違n v胤 mơ hình thi院t b鵜
F詠c"vt‒p"m院v"sw違"o»"rj臼pi"8衣v"8逢嬰e, épi"x噂k tính tốn cho m ej"vj逢噂e"j羽"vj嘘pi" vjk院v"d鵜0Ejk"vk院v"v瑛pi"d瓜"rj壱p"d‒p"vtqpi"o»"j·pj"vjk院v"d鵜"vj吋"jk羽p"荏 b違p"x胤"pj逢"j·pj"4.13.
Hình 4.13 O»"j·pj"vjkｘv"dお"vＴq"nwげpi"mj "uＴej"f́pi"vtqpi"{"vｘ
4.4.2 L丑c thơ
V衣k"pi "x q"nw欝pi"mj "e栄c"vjk院v"d鵜"8逢嬰e"ejq"swc"n丑e"vj»"I6."pj茨o"nq衣k"d臼"eƒe"j衣v"e„" m ej"vj逢噂e"@ 32"o0"Piq k"tc."n丑e vj»"I6"e”p"e„"ej泳e"p<pi"d違q"x羽"n丑e"JGRC"jq衣v"8瓜pi" jk羽w"sw違."v<pi"vj運k"ikcp"u穎"f映pi"vjk院v"d鵜0"X·"vj "pijk羽o"p {"8逢嬰e"vj詠e"jk羽pv衣k"rj”pi"trong
8k隠w"mk羽p"d·pj"vj逢運pị"p‒p"e亥p"e„"n丑e"vj»"I6"8吋"j衣p"ej院"n o"j逢"j臼pi"n丑e"JGRC."e„"vj吋" ik違o"e医r"ejq"d瓜"rj亥p"p { khi u穎"f映pi"vtqpi"rj”pi"o鰻0V医o"n丑e"I6"e„"m ej"vj逢噂e"289 mm x 594 mm x 46 mm."v益"n羽"n逢wn逢嬰pi"mj "3.700 m31j"*332"Rc+"pj逢"j·pj"6.14.
46
Hình 4.14 Nがe"vj»"I6
4.4.3 Qu衣t Blower và UVC-254 nm
Sw衣v"e„"e„"e»pi"uw医v"n "842 m3/h, 500 Pa0"Aèn UVC-254nm e„"e»pi"uw医v"37Y8逢嬰e" 8員v"vt逢噂e"nw欝pi"mj "x q"e栄c"sw衣v"dnqygt."8逢嬰e"d嘘"vt "pj逢"j·pj"4.150"O映e"8 ej"mj穎"mjw育p" mj»pi"mj "pic{"vtqpi"dw欝pi0
Hình 4.15 SwＴv"Dnqygt"x "d„pi"WXE-254 nm
4.4.4 Quang xúc tác TiO2
V医o"VkQ2 f衣pi"v鰻"qpi"8員v"vt逢噂e"x "ucw"sw衣v"dnqygt"d嘘"vt "vj‒o"jck"d„pi"8flp"rjƒv"
47
Hình 4.16 VＸo"VkQ2
4.4.5 L丑c HEPA H14
Lw欝pi"mj "ew嘘k"épi"8逢嬰e"swc"n丑e"JGRC"J36pj逢"j·pj"6.17."ucw"8„"vj鰻k"vt詠e"vk院r" n‒p"d p"f映pi"e映0
Hình 4.17 Nがe"JGRC
Eƒe"d瓜"rj壱p"vjk院v"d鵜"8逢嬰e"vjk院v"m院"vj嘘pi"pj医v"jq p"ej雨pj"vj pj"o瓜v"mj嘘k"pj逢"j·pj"
4.18. Ucw"8„."vjk院v"d鵜"8逢嬰e"8逢c"x q"swƒ"vt·pj"vj穎"pijk羽o"8吋"8ƒpj"ikƒ"vj詠e"v院"jk羽w"sw違"mj穎" mjw育pe栄c"vjk院v"d鵜.
48
Hình 4.18 O»"j·pj"vjkｘv"dお"vＴq"nwげpi"mj "uＴej"f́pi"vtqpi"{"vｘ
4.4.6 K院t lu壱n theo lý thuy院t
Aflp"WX"e„"e»pi"uw医v"WX"8亥w"tc"n "6.;"Ỵ"nw欝pi"mj "swc"8flp"n "2.394"o31u"x "ejk隠w" f k"rj挨k"pjk宇o"n "2.24"o0"V瑛"e»pi"vj泳e"5039"vc"v pj"8逢嬰e"WXdose là 0,569 W/cm2.
Theo Kowalski [3, 31, 35] xk"mjw育p"mjƒpi"mjƒpi"ukpj"Uvcrj{nqeqeewu"cwtgwu"e„" m ej"vj逢噂e"vtwpi"d·pj"n "2.:88"ọ"j茨pi"u嘘"m"?"2.225698"eo2/µWs, thì D90 = 662,0 µW-
u1eo4."8”k"j臼k"o泳e"8瓜"mj穎"mjw育p"8衣v"2 log (99%).
Jk羽w"sw違"e栄c"VkQ2 vjgq"e»pi"d嘘"e栄c"Ncpfcig [42] và Xu Y [43] ejq"m院v"sw違"mj穎" mjw育p"8衣v"62"Ỵ72'"i亥p"d茨pi"o瓜vp英c"e栄c"3"nqi.
Jk羽w"sw違"e栄c"n丑e"JGRC"J36"B"ORRU"8衣v";;.;;7'"8«"8逢嬰e"mk吋o"vtc"vjgq"vk‒w" ejw育p"GP"3:44*8逢嬰e"e»pi"d嘘"d荏k"pj "u違p"zw医v+.
M院v"nw壱n: v鰻pi"o泳e"mj穎"mjw育p"e栄c"o»"j·pj"j羽"vj嘘pi"vjk院v"d鵜"v衣q"nw欝pi"mj "u衣ej"8«"8衣v" vjgq"{‒w"e亥w"KUQ"e医r"7."jk羽w"sw違"mj穎"mjw育p"8衣v"6 log.
49
EJ姶愛PI"7< K蔭T QU謂 TH衛C NGHI烏M
A吋"8ƒpj"ikƒ"j羽"vj嘘pi"vjk院v"d鵜, eƒe"vj "pijk羽o"8«"8逢嬰e"vj詠e"jk羽p"pj逢<"8q"v嘘e"8瓜"ik„."8q" p欝pi"8瓜"j衣v."8院omjw育p"x "u穎"f映pi"mj„k"8吋"mk吋o"vtc"nw欝pi"mj 0"Vj詠e"jk羽p"vjgq"vk‒w"ejw育p" KUQ"36866<4237"*Kpvgtpcvkqpcn"Uvcpfctf+"8吋"8ƒpj"ikƒ"x "ewpi"e医r"rj¤p"nq衣k"x隠"e医r"8瓜"u衣ej" e栄c"nw欝pi"mj [36].
V医v"e違"eƒe"rjfir"8q"8逢嬰e"vj詠e"jk羽p"v衣k"Rj”pi"vj "pijk羽o"- Vt逢運pi"A衣k"j丑e"Dƒej"Mjqc" Vr0"J欝"Ej "Okpj0"Vtqpi"eƒe"rjfir"8q"vj穎"pijk羽o"o»"j·pj"vjk院v"d鵜"jq衣v"8瓜pi"v嘘k"8c"v違k."8k隠w" mk羽p"o»k"vt逢運pi"8違o"d違q"pjk羽v"8瓜"47"ł"7"oẸ"8瓜"育o"mj»pi"mj "ø":2"'TJ."j衣p"ej院"v嘘k"8c" pi逢運k"jq衣v"8瓜pi"vtqpi"rj”pi0"A違o"d違q"mj»pi"e„"{院w"v嘘"p q"違pj"j逢荏pi"pijk‒o"vt丑pi"8院p" m院v"sw違"8q0
V pj"vqƒp"vj嘘pi"m‒"d茨pi"Gzegn"*Oketquqhv"Qhhkeg"4238+ ejq"vj穎"pijk羽o"v嘘e"8瓜"ik„0
Các u嘘"nk羽w"8qu嘘"n逢嬰pi"j衣v"x "xk"mjw育p8逢嬰e"mjƒpj臼, p‒p"xk羽e8ƒpj"ikƒ"vj嘘pi"m‒"mj»pi" 8逢嬰e"zgo"n "rj́"j嬰r"ejq"n逢嬰pi"j衣v"x xk"mjw育p"vtqpi"quá trình vj穎"pijk羽o0
M院v"sw違"8q"8逢嬰e"ƒr"uw医v"vj詠e"v院"d‒p"vtqpi"dw欝pi"n "433.2"Rc"x "m院v"sw違"o»"rj臼pi"8衣v" 8逢嬰e"446"Rc."pj壱p"vj医{"uck"n羽ej"f逢噂k"32'"uq"x噂k"m院v"sw違"vj詠e"v院"zgo"pj逢"ej医r"pj壱p"8逢嬰e.
5.1 TH盈 NGHI烏O"AQ"V渦E"A浦 GIĨ
A違o"d違q"fcq"8瓜pi"mj»pi"swƒ"n噂p"ejq"o»k"vt逢運pi"m p0"Vjk院v"vj鵜e亥p"8逢嬰e"mj荏k"8瓜pi vtqpi"37"rj¿v"vt逢噂e"mjk"vj穎"pijk羽o0"Ejw育p"d鵜."vjk院v"n壱r"eƒe"f映pi"e映"pj逢"vj逢噂e"8q"f k"3"ọ" eƒe"ikƒ"8叡"x "oƒ{"8q"v嘘e"8瓜"ik„"MKOQ"XV332"pj逢"hình 5.1.
50
N医{"o磯w"v衣k"eƒe"x鵜"vt "eƒej"n丑e"JGRC"e„"o厩k"d逢噂e"pj違{"322"oọ"8q"v嘘k"8c"荏"mjq違pi"
cách 1 o0"Aq"v鰻pi"e瓜pi"荏";"mjw"x詠e"*v逢挨pi"泳pi"d‒p"vtƒk."ik英c."rj違k"x "Nkpg"3."Nkpg"4."Nkpg" 5+"pj逢"j·pj 5.20"V衣k"o厩k"8k吋o"8q"ijk"7"n亥p"m院v"sw違"jk吋p"vj鵜"vt‒p"oƒ{"8q0
Hình 5.2 Xお"vt "x "8kあo"8q"ik„
Line Khu x詠e Ak吋o"fq"eƒej"n丑e"HEPA Ikƒ"vt鵜"8q Aじ"mj»pi"8Ｖo"dＶq"8q"oぞ"tじpi ( % )
1 Trái vjk院v" d鵜 100 mm 0,61 m/s 14 200 mm 0,56 m/s 14 300 mm 0,62 m/s 14 400 mm 0,65 m/s 13 500 mm 0,63 m/s 13 600 mm 0,65 m/s 12 700 mm 0,65 m/s 13 800 mm 0,64 m/s 13 900 mm 0,61 m/s 13 1000 mm 0,60 m/s 14 Tâm vjk院v" d鵜 100 mm 0,61 m/s 13 200 mm 0,63 m/s 13 300 mm 0,65 m/s 12 400 mm 0,66 m/s 12
51 500 mm 0,66 m/s 12 600 mm 0,66 m/s 13 700 mm 0,67 m/s 14 800 mm 0,65 m/s 13 900 mm 0,64 m/s 13 1000 mm 0,62 m/s 14 Rj違k" vjk院v" d鵜 100 mm 0,75 m/s 11 200 mm 0,75 m/s 12 300 mm 0,77 m/s 13 400 mm 0,65 m/s 17 500 mm 0,63 m/s 13 600 mm 0,66 m/s 15 700 mm 0,61 m/s 16 800 mm 0,54 m/s 22 900 mm 0,47 m/s 16 1000 mm 0,52 m/s 19 2 100 mm 0,64 m/s 12 200 mm 0,65 m/s 13 300 mm 0,65 m/s 12 400 mm 0,60 m/s 12 500 mm 0,62 m/s 13 600 mm 0,58 m/s 13 700 mm 0,60 m/s 13 800 mm 0,63 m/s 13 900 mm 0,65 m/s 13 1000 mm 0,54 m/s 14 100 mm 0,66 m/s 13 200 mm 0,64 m/s 13 300 mm 0,66 m/s 13 400 mm 0,66 m/s 14
52 500 mm 0,64 m/s 15 600 mm 0,66 m/s 15 700 mm 0,65 m/s 18 800 mm 0,64 m/s 14 900 mm 0,63 m/s 13 1000 mm 0,61 m/s 19 100 mm 0,70 m/s 12 200 mm 0,72 m/s 12 300 mm 0,74 m/s 12 400 mm 0,73 m/s 12 500 mm 0,73 m/s 13 600 mm 0,62 m/s 17 700 mm 0,56 m/s 18 800 mm 0,56 m/s 15 900 mm 0,54 m/s 17 1000 mm 0,52 m/s 17 3 100 mm 0,63 m/s 13 200 mm 0,66 m/s 13 300 mm 0,69 m/s 12 400 mm 0,68 m/s 12 500 mm 0,67 m/s 12 600 mm 0,59 m/s 15 700 mm 0,64 m/s 14 800 mm 0,62 m/s 14 900 mm 0,53 m/s 21 1000 mm 0,47 m/s 23 100 mm 0,73 m/s 11 200 mm 0,72 m/s 12 300 mm 0,70 m/s 12 400 mm 0,68 m/s 12
53 500 mm 0,67 m/s 12 600 mm 0,63 m/s 14 700 mm 0,61 m/s 14 800 mm 0,59 m/s 15 900 mm 0,63 m/s 13 1000 mm 0,62 m/s 15 100 mm 0,80 m/s 11 200 mm 0,69 m/s 13 300 mm 0,56 m/s 18 400 mm 0,50 m/s 15 500 mm 0,50 m/s 22 600 mm 0,58 m/s 17 700 mm 0,52 m/s 20 800 mm 0,55 m/s 22 900 mm 0,47 m/s 18 1000 mm 0,46 m/s 25 Aじ"mj»pi"8Ｖo"dＶq"8q"oぞ"tじpi"⇔ずe"n⇔ぢpi"8⇔ぢe"v pj"xずk"m"?"4.48."oとe"vkp"eｆ{";7' DＶpi"5-1 Mｘv"swＶ"8q"vぐe"8じ"ik„
54
Hình 5.3 Dkあw"8げ"dkあw"fkいp"vぐe"8じ"ik„"vtqpi"x́pi"uＴej
B違pi"7-1 vj吋"jk羽p"m院v"sw違"8q"vtwpi"d·pj"x 8瓜"mj»pi"8違o"d違q"8q"o荏"t瓜pi, épi"x噂k" dk吋w"8欝"dk吋w"fk宇p"pj逢"j·pj"7.5"e„"vj吋"8逢c"tc"pj壱p"zfiv"n trên tồn vùng u衣ej"v嘘e"8瓜"ik„"luơn
n噂p"j挨p"2.67"o1up‒p"8ƒr"泳pi"8逢嬰e"eƒe{‒w"e亥w"8員v"tc0
100 200 300 400 500 600 700 800 900 1000 Line1-trái 0.61 0.56 0.62 0.65 0.63 0.65 0.65 0.64 0.61 0.60 Line1-Fｷ羽; 0.61 0.63 0.65 0.66 0.66 0.66 0.67 0.65 0.64 0.62 Line1-vｴ胃ｷ 0.75 0.75 0.77 0.65 0.63 0.66 0.61 0.54 0.47 0.52 Line2-Trái 0.66 0.64 0.66 0.66 0.64 0.66 0.65 0.64 0.63 0.61 Line2-Fｷ羽; 0.64 0.65 0.65 0.60 0.62 0.58 0.60 0.63 0.65 0.54 Line2-vｴ胃ｷ 0.70 0.72 0.74 0.73 0.73 0.62 0.56 0.56 0.54 0.52 Line3-Trái 0.63 0.66 0.69 0.68 0.67 0.59 0.64 0.62 0.53 0.47 Line3-Fｷ羽; 0.73 0.72 0.70 0.68 0.67 0.63 0.61 0.59 0.63 0.62 Line3-vｴ胃ｷ 0.80 0.69 0.56 0.50 0.50 0.58 0.52 0.55 0.47 0.46 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80 ~咽I"U引"ｪｷﾙ m/s [ｴﾗ胃ﾐｪ"I=Iｴ"ふﾏﾏぶ 0ｷ逸 "U員"Hｷ逸 "Sｷ稲ﾐ" 咽I"U引"ｪｷﾙ
Line1-trái Line1-Fｷ羽; Line1-vｴ胃ｷ Line2-Trái Line2-Fｷ羽;
55
5.2 AQ"P唄PI"A浦 B影I
O泳e"8瓜"u衣ej"o»k"vt逢運pi"e„"mk吋o"uqƒv"nk‒p"swcp"8院p"u詠"mk吋o"uqƒv"pjk宇o"j衣v"vtqpi" mj»pi"mj ."vj ej"j嬰r"cho mjw"x詠e"pj衣{"x噂k"n¤{"pjk宇o0"A吋"8衣v"8逢嬰e"vk‒w"ejw育p"KUQ"36866" e医r"7"jq員e"v嘘v"j挨p."n詠c"ej丑p"8q"j衣v"e„"8逢運pi"m pj"@"2.52"o"x "@"2.72"o0"A吋"e„"m院v"sw違" 8ƒpi"vkp"e壱{"n医{"o磯w"荏";"x鵜"vt "pj逢"j·pj 5.40"Vjk院v"n壱r"eƒe"f映pi"e映"x "d壱v"vjk院v"d鵜"jq衣v"8瓜pị" vk院p"j pj"8gq"i<pi"vc{"x "mj育w"vtcpi"{"v院."n o"u衣ej"v医v"e違"eƒe"vjk院v"d鵜"8員v"vtqpi"x́pi"u衣ej" vt‒p"d p"8吋"f映pi"e映"d茨pi"e欝p"92"8瓜."8吋"鰻p"8鵜pj"vtqpi"37"rj¿v"vt逢噂e"mjk"8q0"U穎"f映pi"Vjk院v" d鵜"8q"8瓜"d映k"*Rctvkeng"Eqwpvgt+"e k"8員v"n逢w"n逢嬰pi"mj»pi"mj "荏"o泳e"4:.5"n v1phút (0.47 lít/ giây) x "vj詠e"jk羽p"8q"v衣k";"x鵜"vt 0"Vw{"pjk‒p."x·"o瓜v"u嘘"j衣p"ej院"ej¿pi"v»k"u穎"f映pi"vjk院v"d鵜" 8q"8瓜"d映k"Ckt"Ocuvgt"x "ugpuqt"ROU7225"*2.3"n v1"ik¤{+."fq"8„"v衣k"o厩k"x鵜"vt "vj "pijk羽o"vj詠e" jk羽p"8q"8瓜"d映k"vj運k"ikcp"vj詠e"7"n亥p."o厩k"n亥p"8q vtqpi"3"rj¿v."e瓜pg f欝p eƒe"m院v"sw違"vtqpi"3" rj¿v"x "ijk"n衣k0"Piq k"tc."d‒p"piq k"x́pi"u衣ej"n医{"jck"8k吋o"pi磯w"pjk‒p"x "vj詠e"jk羽p"8q" v逢挨pi"v詠"pj逢"d‒p"vtqpi"x́pi"u衣ej0"M院v"sw違"vtwpi"d·pj"e栄c"jck"x́pi"8逢嬰e"trình bày pj逢"
B違pi"5-2.
56
Mjw"x詠e Thang 8q Ak吋o"fq U嘘"j衣v"vtwpi"d·pj*j衣v18"n v+ A挨p"x鵜
Vt丑pi" vùng u衣ej 0,3 µm 1 0 j衣v 2 0 j衣v 3 0 j衣v 4 0 j衣v 5 0 j衣v 6 0 j衣v 7 37 j衣v 8 4 j衣v 9 28 j衣v 0,5 µm 1 0 j衣v 2 0 j衣v 3 0 j衣v 4 0 j衣v 5 0 j衣v 6 0 j衣v 7 10 j衣v 8 3 j衣v 9 15 j衣v Ngồi vùng u衣ej 0,3 µm random 6460 j衣v 0,5 µm random 1399 j衣v
DＶpi"5-2 Mｘv"swＶ"8q"jＴv"vtqpi"x́pi"uＴej"x "piq k"x́pi"uＴej
X隠"o員v"x壱v"n#."rj逢挨pi"rjƒr"8院o"j衣v"x "8q"v嘘e"8瓜"ik„"ejq"vj医{"u詠"mjƒe"dk羽v"e栄c" mj»pi"mj "u衣ej"j挨p"6;6"n亥p"eƒe"j衣v"e„"m ej"vj逢噂e"@"2.7" o"jc{"j挨p"3986"n亥p"eƒe"j衣v"e„" m ej"vj逢噂e"@"2.5" o"ik英c"mjw"x詠e"u衣ej"x "piq k"mjw"x詠e"u衣ej0"Vt‒p"d p"f映pi"e映"e„"m ej" vj逢噂e"722"oo x 1000 mm fw{"vt·"v嘘e"8瓜"ik„"2.7"o1u"8違o"d違q"swfiv"8k"eƒe"j衣v"d映k"t挨k"x q" mjw"x詠e"cp"vq p0"P欝pi"8瓜"j衣v"vt‒p"o員v"d p"8吋"f映pi"e映"ik違o"8ƒpi"m吋"uq"x噂k"d‒p"piq k"x́pi" u衣ej0"F詠c"vt‒p"m院v"sw違"p {."e„"vj吋"8違o"d違q"o泳e"cp"vq p"ukpj"j丑e"e映e"d瓜"KUQ"e医r"70
57
5.3 A蔭M KHU域P"*A愛P"X卯 HÌNH THÀNH KHU域N L萎C)
A吋"8ƒpj"ikƒ"x隠"o員v"ukpj"j丑e"e栄c"mjw"x詠e"u衣ej"o瓜v"rj逢挨pi"rjƒr"mj»pi"vj吋"vjk院w"n " 8院o"mjw育p0"Vjgq"vk‒w"ejw育p"KUQ"e医r"7"v逢挨pi"泳pi"E医r"u衣ej"C"*YJQ+ và Class 100 (United
Uvcvgư"vj·"o泳e"8瓜"»"pjk宇o"xk"ukpj"x壱v"rj違k"ø"3"EHW16"ik運0
Hình 5.5 Xお"vt "8ｐv"8 c"vjＴej"VUC
Xk羽e"n医{"o磯w"xk"mjw育p"8逢嬰e"vj詠e"jk羽p"d茨pi"eƒej"u穎"f映pi"eƒe"8 c"vj衣ej"x»"vt́pi" m ej"vj逢噂e";2"oo"e„"ej泳c"o»k"vt逢運pi"pw»k"e医{"xk"mjw育p."ucw"8„"8逢嬰e"栄"57"Ỵ 37 oC trong 16 Ỵ46"ik運0"Eƒe"8 c"vj衣ej"8逢嬰e"8員v"vt‒p"d p"8吋"f映pi"e映"rj磯w"vjw壱v"v衣k"eƒe"x鵜"vt "mjƒe"pjcw0" Ikƒ"vt鵜"8逢嬰e"vjco"ejk院w"x噂k"eƒe"8 c"vj衣ej"8員v"d‒p"piq k"mjw"x詠e"u衣ej."v衣k"eƒe"x鵜"vt "mjƒe"
nhcw"vtqpi"rj”pi0"O厩k"n亥p"8q. n医{"o磯wnk‒p"v映evtqpi"x”pi"6"ik運0
Mj荏k"8瓜pi"vjk院v"d鵜"v衣q"nw欝pi"mj "u衣ej"vtqpi"37"rj¿v."ejw育p"d鵜";"8 c"vj衣ej"VUC"*xk" mjw育p+"8員v"vt‒p"d p"8吋"f映pi"e映0"Ej¿pi"v»k"vk院p"j pj"n o"u衣ej"v医v"e違"eƒe"f映pi"e映"d茨pi"e欝p" 92"8瓜."pi逢運k"vj詠e"pijk羽o"d逸v"dw瓜e"8gq"i<pi"vc{."mj育w"vtcpi"{"v院0"O荏"pj姻"p逸r8 c"vj衣ej." 8員v"8 c"n‒p"p医r"v衣q"o瓜v"i„e"pijk‒pi"j逢噂pi"x q"nw欝pi"ik„"v衣k";"x鵜"vt "pj逢"j·pj 5.50"Ucw"8„." 8員v"vk院r"5"8 c"vj衣ej"v衣k"eƒe"x鵜"vt "pi磯w"pjk‒p"d‒p"piq k"x́pi"u衣ej0"Ucw"6"ik運."pj姻"pj pi"n医{" p逸r"8壱{"eƒe"8 c"vj衣ej"x "n壱v"pi逢嬰e"8 c"ejq"x q"v栄"栄"医o"vtqpi"6:"ik運"荏"pjk羽v"8瓜"59"0C. Sau
mjk"栄"8院o"mjw育p"n衣e"d茨pi"o逸v"x "ijk"n衣k"m院v"sw違"pj逢"j·pj"5.60"E„"vj吋"vk院r"v映e"栄"8吋"swcp"uƒv" u詠"j·pj"vj pj"mjw育p"n衣e0"D違pi"7-5"n "m院v"sw違"8衣v"8逢嬰e"ucw"vj "pijk羽ọ"d‒p"vtqpi"x́pi"u衣ej" jq p"vq p"8衣v"2"EHW18 c."d‒p"piq k"x́pi"u衣ej"eƒe"8 c"vj衣ej"vj吋"jk羽p"t臼"eƒe"8嘘o"mjw育p"eĩ
58
Mjw"x詠e Vj運k"ikcp"8q Ak吋o"fq Ikƒ"vt鵜"8q Vj運k"ikcp"栄
Vt丑pi"x́pi" u衣ej 10h00 Ỵ 14h00 1 0 EHW18 c 24h 2 0 EHW18 c 24h 3 0 EHW18 c 24h 4 0 EHW18 c 24h 5 0 EHW18 c 24h 6 0 EHW18 c 24h 7 0 EHW18 c 24h 8 0 EHW18 c 24h 9 0 EHW18 c 24h Ngồi vùng u衣ej 10h00 Ỵ 14h00 random 10 EHW18 c 24h random 8 EHW18 c 24h random 7 EHW18 c 24h DＶpi"5-3 Mｘv"swＶ"8ｘo"mjwｂp a b Hình 5.6 Mｘv"swＶ"mjwｂp"oがe"ucw"vjぜk"ikcp"て"6:"ikぜ
59
M院v"sw違"vj穎"pijk羽o"ejq"vj医{"u詠"mjƒe"dk羽v"8ƒpi"m吋"e栄c"xk"mjw育p"x "j衣v"vtqpi"mjw" x詠e"u衣ej"uq"x噂k"mj»pi"mj "zwpi"swcpj"vtqpi"rj”pi0"A院o"mjw育p"ejq"m院v"sw違"x隠"o員v"ukpj" j丑e"8違o"d違q"mjw"x詠e"u衣ej"8逢嬰e"d違q"x羽"cp"vq p0
Ngồi ra eƒe"vj "pijk羽o"e pi"v衣k"eƒe"vj運k"8k吋o"mjƒe"pjcw"ejq"o瓜v"u嘘"m院v"sw違"vj吋" jk羽p"荏"j·pj"7.7 a và b.
a b
60
EJ姶愛PI"8< TH謂O LU一N
Pjk隠w"pj "mjqc"j丑e"8«"v·o"jk吋w"eƒe"piw{‒p"pj¤p"mjƒe"pjcw"e„"vj吋"i¤{"pjk宇o"mjw育p" vtqpi"rj”pi"o鰻."dcq"i欝o"e違"xck"vt”"e栄c"mj»pi"mj "vtqpi"rj”pi"o鰻"pj逢"n "o瓜v"piw欝p"n¤{" pjk宇o0"Pjw"e亥w"e違k"vjk羽p"mj»pi"mj "v瑛"n¤w"8«"vt荏"vj pj"ej栄"8隠"vtcpj"nw壱p0"Eƒe"j羽"vj嘘pi" vjk院v"d鵜"8«"8逢嬰e"8逢c"x q"pijk‒p"e泳w"vtqpi"pjk隠w"p<o"8«"mj»pi"8go"n衣k"jk羽w"sw違"pj逢"oqpi" 8嬰k0"O瓜v"u嘘"pijk‒p"e泳w"8«"ej雨"tc"t茨pi"v益"n羽"pjk宇o"mjw育p"mj»pi"ik違o"mjk"u穎"f映pi"j羽"vj嘘pi" vtgq"vt亥p."vj壱o"ej "f磯p"8院p"e»pi"m ej"n磯p"pjcw"ik英c"xk羽e"jk羽w"sw違"x "mj»pi"jk羽w"sw違"mjk" u穎"f映pi"j羽"vj嘘pi"NCH"vtgq"vt亥p0
Eƒe"f映pi"e映"rj磯w"vjw壱v"vj»pi"vj逢運pi"8逢嬰e"ejw育p"d鵜"d‒p"piq k"mjw"x詠e"x»"vt́pị"fq" 8„"8«"o医v"v pj"x»"vt́pi"vt逢噂e"mjk"u穎"f映pi0"A員c dk羽v"8嘘k"x噂k"eƒe"ec"rj磯w"vjw壱v"mfiq"f k"j挨p" o瓜v"ik運."n逢嬰pi"xk"mjw育p"u胤"z¤o"pj壱r"x q"eƒe"f映pi"e映"t医v"ecq0"A嘘k"x噂k"eƒe"d羽pj"pj¤p"ecq" vw鰻k."d鵜"uw{"ik違o"j羽"ok宇p"f鵜ej"jq員e"e医{"ijfir"d瓜"rj壱p"ik違"vj·"o瓜v"n逢嬰pi"xk"mjw育p"pj臼"e pi" 8栄"i¤{"pjk宇o"vt́pi0
Ej¿pi"v»k"pj壱p"vj医{"u穎"f映pi"vjk院v"d鵜"v衣q"nw欝pi"mj "u衣ej"u穎"f映pi"vtqpi"pijk‒p"e泳w"e„" n逢嬰pi"j衣v"ik違o"8ƒpi"m吋"vtqpi"mjw"x詠e"u衣ej0"V衣k"d p"8吋"f映pi"e映"rj磯w"vjw壱v"o泳e"8瓜"j衣v" ocpi"xk"mjw育p"n "> 1 CFU/m30"Vw{"pjk‒p."荏"o»k"vt逢運pi"jq衣v"8瓜pi"o泳e"8瓜"d違q"x羽"e”p"rj映" vjw瓜e"pjk隠w"x q"v亥p"uw医v"pj¤p"xk‒p"vjcq"vƒe"x "mj違"p<pi"vj»pi"ik„"vtqpi"rj”pị"o瓜v"{院w"v嘘" 違pj"j逢荏pi"8院pu嘘"n逢嬰pi"j衣v"p隠p0
Xk羽e"uq"uƒpj"vj逢運pi"8逢嬰e"vj詠e"jk羽p"x噂k"vk‒w"ejw育p"e栄c"V鰻"ej泳e"Vk‒w"ejw育p"j„c"Sw嘘e" v院"x隠"rj”pi"u衣ej"x "o»k"vt逢運pi"8逢嬰e"mk吋o"uqƒv"nk‒p"swcp"*KUQ"36866-3<"4237+0"Vk‒w"ejw育p" p {"ej雨"f詠c"x q"p欝pi"8瓜"e栄c"eƒe"j衣v"vtqpi"mj»pi"mj 0"Vw{"pjk‒p."jk羽w"sw違"e栄c"j羽"vj嘘pi" vj»pi"ik„"u衣ej"vtqpi"o»k"vt逢運pi"n¤o"u pi"e„"vj吋"8逢嬰e"zƒe"8鵜pj"d茨pi"mj違"p<pi"n丑e"d臼"eƒe" j衣v"ocpi"xk"mjw育p0"Ak隠w"p {"e„"vj吋"8逢嬰e"vj詠e"jk羽p"d茨pi"jck"rj逢挨pi"rjƒr<"8院o"j衣v"vtqpi" nw欝pi"mj»pi"mj "x噂k"xk羽e"u穎"f映pi"oƒ{"8院o"j衣v"vƒp"z衣"ƒpj"uƒpi"vtqpi"mj»pi"mj "jq員e"8q" eƒe"8挨p"x鵜"j·pj"vj pj"mjw育p"n衣e0
61
Ej¿pi"v»k"vkp"t茨pi"u詠"ik違o"vjk吋w"o泳e"8瓜"j衣v"épi"nw欝pi"mj "e„"j逢噂pi"x噂k"pjk宇w"nq衣p" v嘘k"vjk吋w"jc{"v嘘v"pj医v"f衣pi"ej違{"v亥pi"荏"o瓜v"x壱p"v嘘e"8衣v"{‒w"e亥w"u胤"v衣q"tc"o瓜v"x́pi"u衣ej"fw{" vt·"x»"mjw育p0
Ej¿pi"v»k"e亥p vj‒o"eƒe"vj穎"pijk羽o"v衣k"rj”pi"o鰻"x "rj”pi"8k隠w"vt鵜"mjƒe"pjcw"8吋"8違o" d違q"t茨pi"vjk院v"d鵜"v衣q"nw欝pi"mj "u衣ej"rj́"j嬰r"x噂k"v医v"e違"eƒe"o»k"vt逢運pi0
62
EJ姶愛PI"9< K蔭T LU一N
Vtqpi"o»k"vt逢運pi"o»"rj臼pi"x "vj穎"pijk羽o"ejq"vj医{"u嘘"n逢嬰pi"x "p欝pi"8瓜"j衣v"ocpi"xk" mjw育p"8«"8逢嬰e"mk吋o"vtc"8吋"8ƒpj"ikƒ"ej医v"n逢嬰pi"mj»pi"mj "vt‒p"d p"8吋"f映pi"e映"rj磯w"vjw壱v0
Vjk院v"d鵜"v衣q x "ewpi"e医r nw欝pi"mj "uk‒w"u衣ej"ejq"rj”pi"o鰻"x噂k"ejk"rj "vj医r"j挨p"j羽" vj嘘pi"vj»pi"mj "vj逢運pi"jc{"j羽"vj嘘pi"NCH"vtgq"vt亥p."ejq"rjfir"rj”pi"o鰻"8逢嬰e"p¤pi"e医r"x " 8ƒr"泳pi"vk‒w"ejw育p"KUQ"e医r"70"Ak隠w"p {"i„r"rj亥p"ik違o"u嘘"ec"pjk宇o"mjw育p"vtqpi"rj”pi" o鰻"ucw"rj磯w"vjw壱v0"Dƒe"u "rj磯w"vjw壱v"x "m r"o鰻"e„"vj吋"vkp"v逢荏pi"x q"v·pj"vt衣pi"x»"vt́pi" e栄c"f映pi"e映"rj磯w"vjw壱v"pic{"e違"vtqpi"eƒe"ec"rj磯w"vjw壱v"kéo f k0"D羽pj"pj¤p" v"vk院r"z¿e"x噂k" mjƒpi"ukpj"f詠"rj”pị"jk羽p"n "o瓜v"x医p"8隠"t医v"pijk‒o"vt丑pi0"J挨p"p英c"vjk院v"d鵜"f宇"n逸r"8員v."d違q" vt·."v逢挨pi"8嘘k"t飲."mj»pi"{‒w"e亥w"vjc{"8鰻k"8flp"o鰻"x "j羽"vj嘘pi"8k隠w"j”c"mj»pi"mj "u印p"e„0
Ak隠w"swcp"vt丑pi"n "rj違k"8違o"d違q"t茨pi"v医v"e違"pj¤p"xk‒p"rj”pi"o鰻"jk吋w"eƒej"x壱p"j pj" vjk院v"d鵜0"Vjcq"vƒe"vj詠e"jk羽p"vt‒p"d p"8吋"f映pi"e映"rj磯w"vjw壱v"e亥p"rj違k"8違o"d違q"o泳e"»"pjk宇o" z¤o"pj壱r"8衣v"o泳e"v嘘k"vjk吋w0
Ak隠w"ej雨pj"rj¤p"vƒp"j衣v"i¤{"d羽pj"vtqpi"mj»pi"mj "e栄c"rj”pi"o鰻"n "swcp"vt丑pị"vjk院v" d鵜"e„"vj吋"n o"ik違o"p欝pi"8瓜"j衣v"vk院r"z¿e"8院p"f映pi"e映"pic{"n壱r"v泳ẹ"ej医v"n逢嬰pi"mj»pi"mj "xk" ukpj"oqpi"ow嘘p"8衣v"8逢嬰e"> 3"EHW1o5"vtqpi"mj»pi"ikcp"v pj0"E亥p"zgo"zfiv"荏"vt衣pi"vjƒk" jq衣v"8瓜pi"荏"d逢噂e"vk院r"vjgq"8吋"e„"ej医v"n逢嬰pi"mj»pi"mj "v嘘v"pj医v0
Tuy nhiên, do j衣p"ej院"vj鵜"vt逢運pi"nkpj"mk羽p"ej院"v衣q"dk院v"d鵜"pj逢"sw衣v"dnqygt"e”p"欝p."x壱v"
lk羽w"ej院"v衣q"mjwpi"e”p"vj»"u挨."o»"j·pj"j羽"vj嘘pi"e欝pi"m隠pj."v逢挨pi"8嘘k"p員pi0"V逢挨pi"nck."8吋" e違k"vjk羽p"vj逢挨pi"o衣k"j„c"vt‒p"vj鵜"vt逢運pi"e亥p"8亥w"v逢"pjk隠w"j挨p"8吋"8ƒr"泳pi"pjw"e亥w"u穎"f映pi" t瓜pi"t«k"vtqpi các e挨"u荏"{"v院0
Ej¿pi"v»k"mj»pi"vj吋"8逢c"tc"mjw{院p"pij鵜"u穎"f映pi"vjk院v"d鵜"p {"x·"e亥p"vj‒o"eƒe"u嘘"nk羽w" vj詠e"pijk羽o"v衣k"rj”pi"o鰻."pj逢pi"8¤{"n "pijk‒p"e泳w"vj詠e"v院"8ƒr"泳pi"eƒe"{‒w"e亥w"o "ej¿pi" v»k"8員v"tc"ejq"j羽"vj嘘pi"vjk院v"d鵜"nw欝pi"mj "u衣ej0"Eƒe"pijk‒p"e泳w"vk院r"vjgq"u胤"8„pi"i„r"ej院" v衣q"vjk院v"d鵜"jq p"ej雨pj"vtqpi"v逢挨pi"nck0
63
DAPJ"O影E"EðPI"VTỵPJ"MJQC"J窺E
Thai Son Tran (2020, Oct.)0"ÐFgxgnqrogpv"c"rtqvqv{rg"qh"Oqdkng"Ncokpct"Ckt"Hnqy"
Instrument Table for preventing surgical-ukvg"kphgevkqpu<"qrvkok¦kpi"u{uvgo"fgukip0Đ"ISAS 2020. [Online]. Pp. 28-29. Available: https://easychair.org/smart-
64
TÀI LI烏U THAM KH謂O
[1] B瓜 Y t院, "J⇔ずng dｄn phịng ngなa nhiいm khuｂn vｘt mご", Hà N瓜i, Vi羽t Nam, 2012.
[2] M. L. Ling, "J⇔ずng dｄn cてa APSIC vｚ Phịng ngなa nhiいm khuｂn vｘt mご", APSIC, 2018.
[3] W. Kowalski, Ultraviolet Germicidal Irradiation Handbook: UVGI for Air and Surface Disinfection, Verlag Berlin Heidelberg: Springer, pp. 233-287, 399-418, 2009.
[4] V. V. Ti宇u, Nghiên cとu các giＶi pháp cơng nghう trong thiｘt kｘ chｘ tＴo các thiｘt bお xぬ lý bつi, vi
khuｂp."8じc tぐ hĩa chＸv."p⇔ずe"8あ nâng cao chＸv"n⇔ぢng các sＶn phｂo"f⇔ぢc và thてy sＶn xuＸt khｂu, H欝 Chí Minh, Vi羽t Nam: Vi羽n hĩa h丑c quân s詠 - B瓜 Qu嘘c Phịng , 2004.
[5] O0"V0"C0"Vj逢."Nguyên cとu tごng hぢr."8ｐe"vt⇔pi"eＸu trúc và tính chＸt cてa vｆt liうu Nanocomposit
vt‒p"e￢"uぞ TiO2, でng dつng xぬ lý mじt sぐ tác nhân ơ nhiいm trong khơng khí, Hà N瓜i, Vi羽t Nam: Vi羽n Hàn lâm Khoa h丑c và Cơng ngh羽 Vi羽t Nam, 2017.
[6] A0"P0"Vj栄y, Nguyên cとu thばc trＴng nhiいm khuｂn bうnh viうn tＴi Bうnh viうp"Ac"mjqc"Mjw"xばc Phúc
Yên, tえpj"X pj"Rj¿ẹ"Hà N瓜i, Vi羽t Nam: Vi羽n Hàn lâm Khoa h丑c và Cơng ngh羽 Vi羽t Nam, 2019.
[7] N0"V0"U挨p."$永ng d映ng cơng ngh羽 z¿e"vƒe"swcpi"8吋 kh穎 trùng khơng khí trong phịng m鰻 c栄a B羽nh
vi羽p"Ac"mjqc"Rj嘘 N嘘i nh茨m h衣n ch院 tình tr衣ng nhi宇m khu育n b羽nh vi羽n," Vi羽n Khoa h丑c An tồn và V羽 ukpj"ncq"8瓜ng. [Online]. Available: http://vnniosh.vn/chitiet_NCKH/id/5661/Un. 2016.
[8] S. Sadrizadeh, Ạ Tammelin, P. V. Nielsen and S. Holmberg, "Does a mobile laminar airflow screen reduce bacterial contamination in the operating room? A numerical study using computational fluid f{pcokeu"vgejpkswgĐ0 Patient Safety in Surgery, vol. 8, nọ 1, p. 27, 2014.
[9] R. Lapid-Gortzak, R. Traversari and J. W. v. d. Linden, "Mobile ultra-clean unidirectional airflow screen reduces air contamination in a simulated setting for intra-vitreal injection," International Ophthalmology, vol. 37, p. 131Ỵ137, 2017.
[10] K. Nilsson, R. Lundholm and S. Friberg, "Assessment of horizontal laminar air flow instrument table for ađitional ultraclean space during surgery," Journal of Hospital Infection, vol. 76, nọ 3, pp. 243-246, 2010.
[11] C. Pedersen, G. Cao and F. Drangsholt, "Can we meet the requirement for ultra-clean operation room (10 CFU/m3) with dilution ventilation?," in CLIMA 2019 Congress, Bucharest, 2019. [12] WHO, "Global Guidelines for the Prevention of Surgical Site Infection", Geneva, Switzerland:
World Health Organization, 2016.
[13] B. C, H. U, S. D, D. F, G. P and R. H, "Operating room ventilation with laminar airflow shows no protective effect on the surgical site infection rate in orthopedic and abdominal surgery," Ann Surg, vol. 248, nọ 5, pp. 695-700, 2008.
65
[14] B. P, Z. Kubilay N, Ạ B, Ẹ M and G. P, "Effect of laminar airflow ventilation on surgical site infections: a systematic review and meta-analysis," Lancet Infect Dis, vol. 17, nọ 5, pp. 553-561, 2017.
[15] CDC, "Guidelines for Environmental Infection Control in Health-Care Facilities", Atlanta, GA 30329: ỤS. Department of Health and Human Services Centers for Disease Control and Prevention, 2019.
[16] J. Ạ Deverick and K. Podgorny, "Strategies to Prevent Surgical Site Infections in Acute Care Hospitals: 2014 Update," Infect Control Hosp Epidemiol, vol. 35, nọ 6, p. 605Ỵ627, 2014. [17] Ạ Mangram, T. Horan, M. Pearson, L. C. Silver and W. R. Jarvis, "Guideline for Prevention of
Surgical Site Infection, 1999. Centers for Disease Control and Prevention (CDC) Hospital Infection Control Practices Advisory Committee," Am J Infect Control, vol. 27, nọ 2, pp. 97-132, 1999. [18] G. Emanuel and G. Lorrence H., Practical Handbook of Microbiology, Second Edition, CRC Press,
Taylor and Francis Group, 2008, p. 864.
[19] F. Perdelli, M. Cristina and M. Sartine, "Fungal contamination in hospital environments," Infection Control Hospital Epidemiology, vol. 27, nọ 1, pp. 44-47, 2006.
[20] P. Crimi, M. Valgiusti, G. Macrina, Ạ Grieco, L. Massone, Ạ Ciucci, F. Ansaldi, L. Sticchi, L. Sasso, S. Del Buono and P. Durando, "Evaluation of microbial contamination of air in two hematology departments equipped with ventilation systems with different filtration devices," Journal of Preventative Medicine Hygiene, vol. 50, nọ 1, pp. 33-36, 2009.
[21] P. G. Briggs and R. Robert S., Biomedical Applications of Laminar Airflow, CRC Press, 2019.