{"id":50548,"date":"2023-04-21T14:45:35","date_gmt":"2023-04-21T19:45:35","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-does-ultrasonic-atomizer-work\/"},"modified":"2025-01-21T07:12:49","modified_gmt":"2025-01-21T12:12:49","slug":"how-does-ultrasonic-atomizer-work","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-does-ultrasonic-atomizer-work\/","title":{"rendered":"M\u00e1y phun s\u01b0\u01a1ng si\u00eau \u00e2m: Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng"},"content":{"rendered":"<p>M\u00e1y phun s\u01b0\u01a1ng si\u00eau \u00e2m \u0111\u00e3 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u \u1ee9ng d\u1ee5ng t\u1eeb gia d\u1ee5ng \u0111\u1ebfn c\u00f4ng nghi\u1ec7p.  Ch\u00fang ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd kh\u00e1 th\u00fa v\u1ecb v\u00e0 hi\u1ec7u qu\u1ea3, bi\u1ebfn n\u01b0\u1edbc th\u00e0nh s\u01b0\u01a1ng m\u00f9 m\u1ecbn m\u00e0ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y phun s\u01b0\u01a1ng si\u00eau \u00e2m, gi\u1ea3i th\u00edch chi ti\u1ebft c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 qu\u00e1 tr\u00ecnh t\u1ea1o s\u01b0\u01a1ng.<\/p>\n<h3>Nguy\u00ean L\u00fd Ho\u1ea1t \u0110\u1ed9ng Ch\u00ednh<\/h3>\n<p>M\u00e1y phun s\u01b0\u01a1ng si\u00eau \u00e2m ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd \u00e1p \u0111i\u1ec7n. Hi\u1ec7n t\u01b0\u1ee3ng \u00e1p \u0111i\u1ec7n l\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u nh\u1ea5t \u0111\u1ecbnh, th\u01b0\u1eddng l\u00e0 g\u1ed1m \u00e1p \u0111i\u1ec7n, t\u1ea1o ra \u0111i\u1ec7n \u00e1p khi ch\u1ecbu \u00e1p l\u1ef1c c\u01a1 h\u1ecdc v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec7n n\u0103ng th\u00e0nh n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc d\u01b0\u1edbi d\u1ea1ng rung \u0111\u1ed9ng.<\/p>\n<h3>B\u1ed9 Ph\u00e1t Si\u00eau \u00c2m<\/h3>\n<p>B\u1ed9 ph\u1eadn quan tr\u1ecdng nh\u1ea5t c\u1ee7a m\u00e1y phun s\u01b0\u01a1ng l\u00e0 b\u1ed9 ph\u00e1t si\u00eau \u00e2m, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n. B\u1ed9 ph\u1eadn n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb g\u1ed1m \u00e1p \u0111i\u1ec7n nh\u01b0 zirconate titanate ch\u00ec (PZT). Khi \u0111\u01b0\u1ee3c c\u1ea5p m\u1ed9t d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u t\u1ea7n s\u1ed1 cao (th\u01b0\u1eddng trong kho\u1ea3ng 1.7MHz), b\u1ed9 ph\u00e1t si\u00eau \u00e2m s\u1ebd dao \u0111\u1ed9ng v\u1edbi t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<h3>T\u1ea7n S\u1ed1 Dao \u0110\u1ed9ng v\u00e0 K\u00edch Th\u01b0\u1edbc H\u1ea1t S\u01b0\u01a1ng<\/h3>\n<p>T\u1ea7n s\u1ed1 dao \u0111\u1ed9ng c\u1ee7a b\u1ed9 ph\u00e1t si\u00eau \u00e2m \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c h\u1ea1t s\u01b0\u01a1ng \u0111\u01b0\u1ee3c t\u1ea1o ra.  T\u1ea7n s\u1ed1 c\u00e0ng cao, k\u00edch th\u01b0\u1edbc h\u1ea1t s\u01b0\u01a1ng c\u00e0ng nh\u1ecf v\u00e0 m\u1ecbn h\u01a1n.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>T\u1ea7n S\u1ed1 (MHz)<\/th>\n<th>K\u00edch Th\u01b0\u1edbc H\u1ea1t S\u01b0\u01a1ng (\u00b5m)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1.7<\/td>\n<td>1-5<\/td>\n<\/tr>\n<tr>\n<td>2.4<\/td>\n<td>0.5-3<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>&lt; 1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Qu\u00e1 Tr\u00ecnh T\u1ea1o S\u01b0\u01a1ng<\/h3>\n<p>Dao \u0111\u1ed9ng c\u01a1 h\u1ecdc t\u1ea7n s\u1ed1 cao c\u1ee7a b\u1ed9 ph\u00e1t si\u00eau \u00e2m \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ebfn b\u1ec1 m\u1eb7t n\u01b0\u1edbc th\u00f4ng qua m\u1ed9t m\u00e0ng rung.  N\u0103ng l\u01b0\u1ee3ng dao \u0111\u1ed9ng n\u00e0y t\u1ea1o ra s\u00f3ng mao mao tr\u00ean b\u1ec1 m\u1eb7t n\u01b0\u1edbc.  Khi bi\u00ean \u0111\u1ed9 c\u1ee7a s\u00f3ng mao mao \u0111\u1ee7 l\u1edbn,  c\u00e1c gi\u1ecdt n\u01b0\u1edbc c\u1ef1c nh\u1ecf s\u1ebd b\u1ecb t\u00e1ch ra kh\u1ecfi b\u1ec1 m\u1eb7t n\u01b0\u1edbc v\u00e0 t\u1ea1o th\u00e0nh s\u01b0\u01a1ng m\u00f9. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 cavitation.<\/p>\n<h3>\u1ea2nh H\u01b0\u1edfng C\u1ee7a Ch\u1ea5t L\u01b0\u1ee3ng N\u01b0\u1edbc<\/h3>\n<p>Ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a m\u00e1y phun s\u01b0\u01a1ng. N\u01b0\u1edbc c\u1ee9ng ch\u1ee9a nhi\u1ec1u kho\u00e1ng ch\u1ea5t c\u00f3 th\u1ec3 t\u00edch t\u1ee5 tr\u00ean b\u1ec1 m\u1eb7t b\u1ed9 ph\u00e1t si\u00eau \u00e2m, l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t v\u00e0 g\u00e2y h\u01b0 h\u1ecfng.  Vi\u1ec7c s\u1eed d\u1ee5ng n\u01b0\u1edbc l\u1ecdc ho\u1eb7c n\u01b0\u1edbc c\u1ea5t \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch.<\/p>\n<h3>\u1ee8ng D\u1ee5ng C\u1ee7a M\u00e1y Phun S\u01b0\u01a1ng Si\u00eau \u00c2m<\/h3>\n<p>M\u00e1y phun s\u01b0\u01a1ng si\u00eau \u00e2m c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n<ul>\n<li>D\u01b0\u1ee1ng \u1ea9m kh\u00f4ng kh\u00ed:  T\u1ea1o \u0111\u1ed9 \u1ea9m trong nh\u00e0, v\u0103n ph\u00f2ng, b\u1ec7nh vi\u1ec7n.<\/li>\n<li>Y t\u1ebf:  D\u00f9ng trong m\u00e1y x\u00f4ng m\u0169i h\u1ecdng.<\/li>\n<li>C\u00f4ng nghi\u1ec7p:  S\u1eed d\u1ee5ng trong c\u00e1c quy tr\u00ecnh l\u00e0m m\u00e1t, t\u1ea1o \u1ea9m.<\/li>\n<li>N\u00f4ng nghi\u1ec7p:  D\u00f9ng trong h\u1ec7 th\u1ed1ng t\u01b0\u1edbi ti\u00eau, t\u1ea1o s\u01b0\u01a1ng cho nh\u00e0 k\u00ednh.<\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, m\u00e1y phun s\u01b0\u01a1ng si\u00eau \u00e2m l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 t\u1ea1o ra s\u01b0\u01a1ng m\u00f9 m\u1ecbn. Hi\u1ec3u v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng l\u1ef1a ch\u1ecdn v\u00e0 s\u1eed d\u1ee5ng m\u00e1y phun s\u01b0\u01a1ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t.  Vi\u1ec7c b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 v\u00e0 s\u1eed d\u1ee5ng n\u01b0\u1edbc s\u1ea1ch s\u1ebd gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e1y phun s\u01b0\u01a1ng si\u00eau \u00e2m \u0111\u00e3 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u \u1ee9ng d\u1ee5ng t\u1eeb gia d\u1ee5ng \u0111\u1ebfn c\u00f4ng nghi\u1ec7p. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd kh\u00e1 th\u00fa v\u1ecb v\u00e0 hi\u1ec7u qu\u1ea3, bi\u1ebfn n\u01b0\u1edbc th\u00e0nh s\u01b0\u01a1ng m\u00f9 m\u1ecbn m\u00e0ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y phun s\u01b0\u01a1ng<\/p>\n","protected":false},"author":1,"featured_media":26453,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-50548","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/50548","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/comments?post=50548"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/50548\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26453"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=50548"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=50548"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=50548"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}