{"id":692313,"date":"2024-11-25T14:07:20","date_gmt":"2024-11-25T13:07:20","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=692313"},"modified":"2024-11-25T14:07:20","modified_gmt":"2024-11-25T13:07:20","slug":"doc-tinh-oxy-nito-va-dieu-khien-dot-chay-tinh-chat-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/doc-tinh-oxy-nito-va-dieu-khien-dot-chay-tinh-chat-nhiet\/","title":{"rendered":"\u0110\u1ed9c t\u00ednh Oxy Nit\u01a1 v\u00e0 \u0110i\u1ec1u khi\u1ec3n \u0110\u1ed1t ch\u00e1y, T\u00ednh Ch\u1ea5t Nhi\u1ec7t"},"content":{"rendered":"<p class=\"sidekick\">\u0110\u1ed9c t\u00ednh Oxy Nit\u01a1 v\u00e0 \u0110i\u1ec1u khi\u1ec3n \u0110\u1ed1t ch\u00e1y, T\u00ednh Ch\u1ea5t Nhi\u1ec7t: T\u00ecm hi\u1ec3u \u0111\u1ed9c t\u00ednh c\u1ee7a NOx, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y v\u00e0 ph\u00e2n t\u00edch t\u00ednh ch\u1ea5t nhi\u1ec7t c\u1ee7a ch\u00fang.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/doc_tinh_oxy_nito_va_dieu_khien_dot_chay_tinh_chat_nhiet.png\" alt=\"\u0110\u1ed9c t\u00ednh Oxy Nit\u01a1 v\u00e0 \u0110i\u1ec1u khi\u1ec3n \u0110\u1ed1t ch\u00e1y, T\u00ednh Ch\u1ea5t Nhi\u1ec7t\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u0110\u1ed9c t\u00ednh Oxy Nit\u01a1 v\u00e0 \u0110i\u1ec1u khi\u1ec3n \u0110\u1ed1t ch\u00e1y, T\u00ednh Ch\u1ea5t Nhi\u1ec7t<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, \u0111\u1ed9c t\u00ednh c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t nit\u01a1 nh\u01b0 oxit nit\u01a1 (NO<sub>x<\/sub>) \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u1ea3 qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y v\u00e0 qu\u1ea3n l\u00fd nhi\u1ec7t. C\u00e1c oxit nit\u01a1 kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng nhi\u1ec7t m\u00e0 c\u00f2n l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed.<\/p>\n<h2>\u0110\u1ed9c t\u00ednh Oxy Nit\u01a1 (NO<sub>x<\/sub>)<\/h2>\n<p><b>Oxy Nit\u01a1<\/b> l\u00e0 m\u1ed9t nh\u00f3m c\u00e1c h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc bao g\u1ed3m NO v\u00e0 NO<sub>2<\/sub> \u0111\u01b0\u1ee3c t\u1ea1o ra trong qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch \u1edf nhi\u1ec7t \u0111\u1ed9 cao. Nh\u1eefng h\u1ee3p ch\u1ea5t n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 s\u1ee9c kh\u1ecfe nghi\u00eam tr\u1ecdng nh\u01b0 vi\u00eam ph\u1ed5i, b\u1ec7nh tim v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 h\u00f4 h\u1ea5p.<\/p>\n<p><u1><\/p>\n<li>NO: Nit\u01a1 oxit, m\u1ed9t kh\u00ed kh\u00f4ng m\u00e0u, \u00edt h\u00f2a tan trong n\u01b0\u1edbc.<\/li>\n<li>NO<sub>2<\/sub>: Nit\u01a1 dioxit, m\u1ed9t kh\u00ed m\u00e0u n\u00e2u \u0111\u1ecf, d\u1ec5 h\u00f2a tan trong n\u01b0\u1edbc t\u1ea1o th\u00e0nh axit nitric (HNO<sub>3<\/sub>).<\/li>\n<p><\/u1><\/p>\n<h2>\u0110i\u1ec1u Khi\u1ec3n \u0110\u1ed1t Ch\u00e1y<\/h2>\n<p>Qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y li\u00ean quan \u0111\u1ebfn vi\u1ec7c chuy\u1ec3n h\u00f3a nhi\u00ean li\u1ec7u v\u00e0 oxy th\u00e0nh nhi\u1ec7t v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m ch\u00e1y kh\u00e1c, trong \u0111\u00f3 c\u00f3 NO<sub>x<\/sub>. \u0110i\u1ec1u khi\u1ec3n \u0111\u1ed1t ch\u00e1y l\u00e0 qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ec9nh c\u00e1c \u0111i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng \u0111\u1ec3 t\u1ed1i thi\u1ec3u h\u00f3a vi\u1ec7c t\u1ea1o ra NO<sub>x<\/sub> v\u00e0 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m kh\u00e1c.<\/p>\n<p><u1><\/p>\n<li><b>Gi\u1ea3m Nhi\u1ec7t \u0110\u1ed9 \u0110\u1ed1t Ch\u00e1y:<\/b> V\u00ec NO<sub>x<\/sub> t\u1ea1o ra ch\u1ee7 y\u1ebfu \u1edf nhi\u1ec7t \u0111\u1ed9 cao, gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed1t ch\u00e1y c\u00f3 th\u1ec3 gi\u1ea3m s\u1ea3n sinh NO<sub>x<\/sub>.<\/li>\n<li><b>Phun N\u01b0\u1edbc ho\u1eb7c H\u01a1i:<\/b> Phun n\u01b0\u1edbc ho\u1eb7c h\u01a1i v\u00e0o v\u00f9ng \u0111\u1ed1t c\u0169ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 v\u00e0 k\u00ecm h\u00e3m qu\u00e1 tr\u00ecnh t\u1ea1o NO<sub>x<\/sub>.<\/li>\n<li><b>S\u1eed D\u1ee5ng Ch\u1ea5t X\u00fac T\u00e1c:<\/b> C\u00e1c ch\u1ea5t x\u00fac t\u00e1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n NO<sub>x<\/sub> th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t \u00edt \u0111\u1ed9c h\u01a1n nh\u01b0 N<sub>2<\/sub> v\u00e0 O<sub>2<\/sub>.<\/li>\n<p><\/u1><\/p>\n<h2>T\u00ednh Ch\u1ea5t Nhi\u1ec7t<\/h2>\n<p>T\u00ednh ch\u1ea5t nhi\u1ec7t c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t trong qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh m\u00e0 c\u00f2n \u0111\u1ebfn kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t \u0111\u1ed9c t\u00ednh. Hai tham s\u1ed1 nhi\u1ec7t quan tr\u1ecdng l\u00e0 nhi\u1ec7t \u0111\u1ed9 v\u00e0 nhi\u1ec7t dung ri\u00eang.<\/p>\n<p><u1><\/p>\n<li><b>Nhi\u1ec7t \u0110\u1ed9 (T):<\/b> L\u00e0 ch\u1ec9 s\u1ed1 bi\u1ec3u hi\u1ec7n m\u1ee9c \u0111\u1ed9 n\u00f3ng c\u1ee7a v\u1eadt ch\u1ea5t v\u00e0 l\u00e0 nh\u00e2n t\u1ed1 quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh t\u1ea1o NO<sub>x<\/sub>. Nhi\u1ec7t \u0111\u1ed9 c\u00e0ng cao, l\u01b0\u1ee3ng NO<sub>x<\/sub> t\u1ea1o ra c\u00e0ng nhi\u1ec1u.<\/li>\n<li><b>Nhi\u1ec7t Dung Ri\u00eang (C<sub>p<\/sub>):<\/b> L\u00e0 l\u01b0\u1ee3ng nhi\u1ec7t c\u1ea7n thi\u1ebft \u0111\u1ec3 n\u00e2ng nhi\u1ec7t \u0111\u1ed9 m\u1ed9t \u0111\u01a1n v\u1ecb kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a v\u1eadt ch\u1ea5t l\u00ean 1 \u0111\u1ed9 C. V\u1eadt ch\u1ea5t v\u1edbi nhi\u1ec7t dung ri\u00eang cao c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 nhi\u1ec1u nhi\u1ec7t h\u01a1n m\u00e0 kh\u00f4ng t\u0103ng nhi\u1ec7t \u0111\u1ed9 l\u1edbn, gi\u00fap ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n<p><\/u1><\/p>\n<p>T\u1ed5ng h\u1ee3p l\u1ea1i, vi\u1ec7c \u0111i\u1ec1u khi\u1ec3n qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y v\u00e0 t\u00ednh ch\u1ea5t nhi\u1ec7t c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u \u0111\u1ed9c t\u00ednh c\u1ee7a NO<sub>x<\/sub> v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ed9c t\u00ednh Oxy Nit\u01a1 v\u00e0 \u0110i\u1ec1u khi\u1ec3n \u0110\u1ed1t ch\u00e1y, T\u00ednh Ch\u1ea5t Nhi\u1ec7t: T\u00ecm hi\u1ec3u \u0111\u1ed9c t\u00ednh c\u1ee7a NOx, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y v\u00e0 ph\u00e2n t\u00edch t\u00ednh ch\u1ea5t nhi\u1ec7t c\u1ee7a ch\u00fang.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u0110\u1ed9c t\u00ednh Oxy Nit\u01a1 v\u00e0 \u0110i\u1ec1u khi\u1ec3n \u0110\u1ed1t ch\u00e1y, T\u00ednh Ch\u1ea5t Nhi\u1ec7t<\/title>\n<meta name=\"description\" content=\"\u0110\u1ed9c t\u00ednh Oxy Nit\u01a1 v\u00e0 \u0110i\u1ec1u khi\u1ec3n \u0110\u1ed1t ch\u00e1y, T\u00ednh Ch\u1ea5t Nhi\u1ec7t: T\u00ecm hi\u1ec3u \u0111\u1ed9c t\u00ednh c\u1ee7a NOx, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y v\u00e0 ph\u00e2n t\u00edch t\u00ednh ch\u1ea5t nhi\u1ec7t c\u1ee7a ch\u00fang.\" 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