{"id":51076,"date":"2023-04-21T14:12:14","date_gmt":"2023-04-21T19:12:14","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-do-ultrasonic-baths-work\/"},"modified":"2025-01-21T07:11:32","modified_gmt":"2025-01-21T12:11:32","slug":"how-do-ultrasonic-baths-work","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-do-ultrasonic-baths-work\/","title":{"rendered":"B\u1ec3 r\u1eeda si\u00eau \u00e2m: Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng"},"content":{"rendered":"<p>B\u1ed3n si\u00eau \u00e2m, m\u1ed9t c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u ng\u00e0nh ngh\u1ec1 t\u1eeb y t\u1ebf \u0111\u1ebfn c\u00f4ng nghi\u1ec7p, s\u1eed d\u1ee5ng s\u00f3ng \u00e2m t\u1ea7n s\u1ed1 cao \u0111\u1ec3 l\u00e0m s\u1ea1ch v\u00e0 x\u1eed l\u00fd v\u1eadt th\u1ec3. Nh\u01b0ng ch\u00ednh x\u00e1c th\u00ec ch\u00fang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch chi ti\u1ebft c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed3n si\u00eau \u00e2m.<\/p>\n<h3>Hi\u1ec7n t\u01b0\u1ee3ng Cavitation (S\u1ee7i Bong B\u00f3ng)<\/h3>\n<p>Qu\u00e1 tr\u00ecnh l\u00e0m s\u1ea1ch c\u1ee7a b\u1ed3n si\u00eau \u00e2m d\u1ef1a tr\u00ean hi\u1ec7n t\u01b0\u1ee3ng cavitation. M\u00e1y t\u1ea1o s\u00f3ng si\u00eau \u00e2m, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 transducer, \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o \u0111\u00e1y b\u1ed3n. Transducer n\u00e0y bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u00e0nh rung \u0111\u1ed9ng c\u01a1 h\u1ecdc \u1edf t\u1ea7n s\u1ed1 si\u00eau \u00e2m, th\u01b0\u1eddng t\u1eeb 20kHz \u0111\u1ebfn 100kHz. Nh\u1eefng rung \u0111\u1ed9ng n\u00e0y \u0111\u01b0\u1ee3c truy\u1ec1n v\u00e0o dung d\u1ecbch l\u00e0m s\u1ea1ch b\u00ean trong b\u1ed3n, t\u1ea1o ra c\u00e1c s\u00f3ng \u00e1p su\u1ea5t.  S\u00f3ng \u00e1p su\u1ea5t n\u00e0y t\u1ea1o ra v\u00f4 s\u1ed1 bong b\u00f3ng ch\u00e2n kh\u00f4ng nh\u1ecf li ti trong dung d\u1ecbch.  C\u00e1c bong b\u00f3ng n\u00e0y ph\u00e1t tri\u1ec3n v\u00e0 s\u1ee5p \u0111\u1ed5 nhanh ch\u00f3ng trong chu k\u1ef3 \u00e1p su\u1ea5t thay \u0111\u1ed5i c\u1ee7a s\u00f3ng si\u00eau \u00e2m. S\u1ef1 s\u1ee5p \u0111\u1ed5 n\u00e0y t\u1ea1o ra m\u1ed9t l\u1ef1c m\u1ea1nh m\u1ebd, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 l\u1ef1c implosion, l\u00ean b\u1ec1 m\u1eb7t v\u1eadt th\u1ec3 c\u1ea7n l\u00e0m s\u1ea1ch.<\/p>\n<h3>T\u1ea7n S\u1ed1 Si\u00eau \u00c2m v\u00e0 \u1ea2nh H\u01b0\u1edfng c\u1ee7a N\u00f3<\/h3>\n<p>T\u1ea7n s\u1ed1 si\u00eau \u00e2m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u00edch th\u01b0\u1edbc c\u1ee7a bong b\u00f3ng cavitation. T\u1ea7n s\u1ed1 cao t\u1ea1o ra bong b\u00f3ng nh\u1ecf h\u01a1n, ph\u00f9 h\u1ee3p cho vi\u1ec7c l\u00e0m s\u1ea1ch c\u00e1c chi ti\u1ebft nh\u1ecf, ph\u1ee9c t\u1ea1p v\u00e0 b\u1ec1 m\u1eb7t nh\u1ea1y c\u1ea3m. T\u1ea7n s\u1ed1 th\u1ea5p t\u1ea1o ra bong b\u00f3ng l\u1edbn h\u01a1n, ph\u00f9 h\u1ee3p cho vi\u1ec7c l\u00e0m s\u1ea1ch c\u00e1c v\u1eadt th\u1ec3 l\u1edbn h\u01a1n v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t b\u1ea9n c\u1ee9ng \u0111\u1ea7u.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>T\u1ea7n S\u1ed1 (kHz)<\/th>\n<th>K\u00edch Th\u01b0\u1edbc Bong B\u00f3ng<\/th>\n<th>\u1ee8ng D\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>20 &#8211; 40<\/td>\n<td>L\u1edbn<\/td>\n<td>L\u00e0m s\u1ea1ch c\u00e1c v\u1eadt th\u1ec3 l\u1edbn, lo\u1ea1i b\u1ecf d\u1ea7u m\u1ee1 n\u1eb7ng<\/td>\n<\/tr>\n<tr>\n<td>40 &#8211; 80<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>L\u00e0m s\u1ea1ch ph\u1ed5 bi\u1ebfn, d\u00f9ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng<\/td>\n<\/tr>\n<tr>\n<td>80 &#8211; 100<\/td>\n<td>Nh\u1ecf<\/td>\n<td>L\u00e0m s\u1ea1ch chi ti\u1ebft nh\u1ecf, \u0111\u1ed3 trang s\u1ee9c, linh ki\u1ec7n \u0111i\u1ec7n t\u1eed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Dung D\u1ecbch L\u00e0m S\u1ea1ch<\/h3>\n<p>Dung d\u1ecbch l\u00e0m s\u1ea1ch \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 c\u1ee7a b\u1ed3n si\u00eau \u00e2m. Dung d\u1ecbch n\u00e0y gi\u00fap truy\u1ec1n s\u00f3ng si\u00eau \u00e2m v\u00e0 t\u0103ng c\u01b0\u1eddng t\u00e1c \u0111\u1ed9ng c\u1ee7a cavitation.  L\u1ef1a ch\u1ecdn dung d\u1ecbch ph\u1ee5 thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u c\u1ea7n l\u00e0m s\u1ea1ch v\u00e0 lo\u1ea1i ch\u1ea5t b\u1ea9n c\u1ea7n lo\u1ea1i b\u1ecf. N\u01b0\u1edbc th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, nh\u01b0ng c\u00e1c dung d\u1ecbch chuy\u00ean d\u1ee5ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n<h3>C\u00e1c Y\u1ebfu T\u1ed1 \u1ea2nh H\u01b0\u1edfng \u0110\u1ebfn Hi\u1ec7u Qu\u1ea3 L\u00e0m S\u1ea1ch<\/h3>\n<p>Nhi\u1ec1u y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 l\u00e0m s\u1ea1ch c\u1ee7a b\u1ed3n si\u00eau \u00e2m, bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Th\u1eddi gian l\u00e0m s\u1ea1ch:<\/strong> Th\u1eddi gian c\u1ea7n thi\u1ebft ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 b\u1ea9n v\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u.<\/li>\n<li><strong>Nhi\u1ec7t \u0111\u1ed9:<\/strong> Nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 l\u00e0m s\u1ea1ch, nh\u01b0ng c\u1ea7n l\u01b0u \u00fd \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u.<\/li>\n<li><strong>C\u00f4ng su\u1ea5t si\u00eau \u00e2m:<\/strong> C\u00f4ng su\u1ea5t cao h\u01a1n t\u1ea1o ra cavitation m\u1ea1nh h\u01a1n.<\/li>\n<li><strong>V\u1ecb tr\u00ed \u0111\u1eb7t v\u1eadt th\u1ec3:<\/strong> V\u1eadt th\u1ec3 c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1eb7t sao cho s\u00f3ng si\u00eau \u00e2m c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn m\u1ecdi b\u1ec1 m\u1eb7t.<\/li>\n<\/ul>\n<h3>\u01afu \u0110i\u1ec3m c\u1ee7a B\u1ed3n Si\u00eau \u00c2m<\/h3>\n<p>B\u1ed3n si\u00eau \u00e2m mang l\u1ea1i nhi\u1ec1u \u01b0u \u0111i\u1ec3m so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch truy\u1ec1n th\u1ed1ng:<\/p>\n<ul>\n<li>L\u00e0m s\u1ea1ch hi\u1ec7u qu\u1ea3 c\u00e1c chi ti\u1ebft ph\u1ee9c t\u1ea1p, khe h\u1edf nh\u1ecf m\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c kh\u00f3 ti\u1ebfp c\u1eadn.<\/li>\n<li>Ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c.<\/li>\n<li>\u00cdt g\u00e2y h\u01b0 h\u1ea1i cho v\u1eadt th\u1ec3 so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p m\u00e0i m\u00f2n.<\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, b\u1ed3n si\u00eau \u00e2m ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd cavitation, s\u1eed d\u1ee5ng s\u00f3ng si\u00eau \u00e2m \u0111\u1ec3 t\u1ea1o ra c\u00e1c bong b\u00f3ng ch\u00e2n kh\u00f4ng nh\u1ecf li ti. S\u1ef1 s\u1ee5p \u0111\u1ed5 c\u1ee7a c\u00e1c bong b\u00f3ng n\u00e0y t\u1ea1o ra l\u1ef1c m\u1ea1nh m\u1ebd gi\u00fap lo\u1ea1i b\u1ecf ch\u1ea5t b\u1ea9n tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt th\u1ec3. Hi\u1ec3u r\u00f5 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 l\u00e0m s\u1ea1ch s\u1ebd gi\u00fap ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng b\u1ed3n si\u00eau \u00e2m m\u1ed9t c\u00e1ch t\u1ed1i \u01b0u v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ed3n si\u00eau \u00e2m, m\u1ed9t c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u ng\u00e0nh ngh\u1ec1 t\u1eeb y t\u1ebf \u0111\u1ebfn c\u00f4ng nghi\u1ec7p, s\u1eed d\u1ee5ng s\u00f3ng \u00e2m t\u1ea7n s\u1ed1 cao \u0111\u1ec3 l\u00e0m s\u1ea1ch v\u00e0 x\u1eed l\u00fd v\u1eadt th\u1ec3. Nh\u01b0ng ch\u00ednh x\u00e1c th\u00ec ch\u00fang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch chi ti\u1ebft c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng<\/p>\n","protected":false},"author":1,"featured_media":26475,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-51076","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\/51076","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=51076"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/51076\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26475"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=51076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=51076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=51076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}