{"id":702844,"date":"2024-08-06T05:22:45","date_gmt":"2024-08-06T04:22:45","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=702844"},"modified":"2024-08-06T05:22:45","modified_gmt":"2024-08-06T04:22:45","slug":"thiet-ke-chuc-nang-va-hieu-suat-chu-trinh-hon-hop-cua-hrsg","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/thiet-ke-chuc-nang-va-hieu-suat-chu-trinh-hon-hop-cua-hrsg\/","title":{"rendered":"Thi\u1ebft k\u1ebf, Ch\u1ee9c n\u0103ng, v\u00e0 Hi\u1ec7u su\u1ea5t chu tr\u00ecnh H\u1ed7n h\u1ee3p c\u1ee7a HRSG"},"content":{"rendered":"<p class=\"sidekick\">Thi\u1ebft k\u1ebf, ch\u1ee9c n\u0103ng v\u00e0 hi\u1ec7u su\u1ea5t chu tr\u00ecnh h\u1ed7n h\u1ee3p c\u1ee7a HRSG trong k\u1ef9 thu\u1eadt nhi\u1ec7t, t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c thu h\u1ed3i nhi\u1ec7t v\u00e0 t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 h\u1ec7 th\u1ed1ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/thiet_ke_chuc_nang_va_hieu_suat_chu_trinh_hon_hop_cua_hrsg.png\" alt=\"Thi\u1ebft k\u1ebf, Ch\u1ee9c n\u0103ng, v\u00e0 Hi\u1ec7u su\u1ea5t chu tr\u00ecnh H\u1ed7n h\u1ee3p c\u1ee7a HRSG\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Thi\u1ebft k\u1ebf, Ch\u1ee9c n\u0103ng, v\u00e0 Hi\u1ec7u su\u1ea5t chu tr\u00ecnh H\u1ed7n h\u1ee3p c\u1ee7a HRSG<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, t\u1ed5 h\u1ee3p chu tr\u00ecnh h\u01a1i v\u00e0 kh\u00ed (HRSG &#8211; Heat Recovery Steam Generator) \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u0103ng hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n. HRSG l\u00e0 thi\u1ebft b\u1ecb ch\u00ednh trong chu tr\u00ecnh k\u1ebft h\u1ee3p, n\u01a1i nhi\u1ec7t d\u01b0 t\u1eeb kh\u00ed x\u1ea3 c\u1ee7a tua-bin kh\u00ed \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra h\u01a1i cho tua-bin h\u01a1i. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o thi\u1ebft k\u1ebf, ch\u1ee9c n\u0103ng, v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a HRSG.<\/p>\n<h2>Thi\u1ebft k\u1ebf c\u1ee7a HRSG<\/h2>\n<p>HRSG \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1eadn d\u1ee5ng hi\u1ec7u qu\u1ea3 ngu\u1ed3n nhi\u1ec7t d\u01b0 t\u1eeb kh\u00ed x\u1ea3. C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a HRSG bao g\u1ed3m:<\/p>\n<p><u1><\/p>\n<li><strong>\u1ed0ng d\u1eabn kh\u00ed x\u1ea3<\/strong>: Chuy\u1ec3n d\u1eabn kh\u00ed x\u1ea3 t\u1eeb tua-bin kh\u00ed v\u00e0o h\u1ec7 th\u1ed1ng HRSG.<\/li>\n<li><strong>B\u1ed9 s\u1ea5y kh\u00f4ng kh\u00ed<\/strong>: Gia t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a kh\u00f4ng kh\u00ed tr\u01b0\u1edbc khi v\u00e0o n\u1ed3i h\u01a1i, gi\u1ea3m c\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 v\u00e0 t\u0103ng hi\u1ec7u su\u1ea5t.<\/li>\n<li><strong>B\u1ed9 ph\u00e2n ph\u1ed1i n\u01b0\u1edbc<\/strong>: Cung c\u1ea5p n\u01b0\u1edbc cho c\u00e1c b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t.<\/li>\n<li><strong>C\u00e1c b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t<\/strong>: Bao g\u1ed3m b\u1ec1 m\u1eb7t t\u1ea3n nhi\u1ec7t, c\u00e1c \u1ed1ng n\u01b0\u1edbc, v\u00e0 thi\u1ebft b\u1ecb trao \u0111\u1ed5i nhi\u1ec7t, n\u01a1i nhi\u1ec7t t\u1eeb kh\u00ed x\u1ea3 \u0111\u01b0\u1ee3c chuy\u1ec3n sang n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o ra h\u01a1i.<\/li>\n<p><\/u1><\/p>\n<h2>Ch\u1ee9c n\u0103ng c\u1ee7a HRSG<\/h2>\n<p>Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a HRSG l\u00e0 chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t t\u1eeb kh\u00ed x\u1ea3 th\u00e0nh h\u01a1i n\u01b0\u1edbc s\u1eed d\u1ee5ng cho tua-bin h\u01a1i, qua c\u00e1c giai \u0111o\u1ea1n sau:<\/p>\n<p><u1><\/p>\n<li><strong>Gia nhi\u1ec7t ban \u0111\u1ea7u<\/strong>: Kh\u00ed x\u1ea3 t\u1eeb tua-bin kh\u00ed ti\u1ebfp x\u00fac v\u1edbi c\u00e1c \u1ed1ng d\u1eabn n\u01b0\u1edbc ngu\u1ed9i v\u00e0 gia nhi\u1ec7t n\u01b0\u1edbc \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 bay h\u01a1i.<\/li>\n<li><strong>Bay h\u01a1i<\/strong>: N\u01b0\u1edbc \u0111\u01b0\u1ee3c gia nhi\u1ec7t h\u01a1n n\u1eefa d\u01b0\u1edbi \u00e1p su\u1ea5t, chuy\u1ec3n th\u00e0nh h\u01a1i n\u01b0\u1edbc b\u00e3o h\u00f2a.<\/li>\n<li><strong>Gia nhi\u1ec7t qu\u00e1 nhi\u1ec7t<\/strong>: H\u01a1i n\u01b0\u1edbc b\u00e3o h\u00f2a \u0111\u01b0\u1ee3c gia nhi\u1ec7t th\u00eam \u0111\u1ec3 tr\u1edf th\u00e0nh h\u01a1i n\u01b0\u1edbc qu\u00e1 nhi\u1ec7t, t\u0103ng \u0111\u1ed9ng l\u1ef1c t\u1ea1o n\u0103ng l\u01b0\u1ee3ng khi qua tua-bin.<\/li>\n<p><\/u1><\/p>\n<h2>Hi\u1ec7u su\u1ea5t c\u1ee7a HRSG<\/h2>\n<p>Hi\u1ec7u su\u1ea5t c\u1ee7a HRSG trong chu tr\u00ecnh k\u1ebft h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1:<\/p>\n<p><u1><\/p>\n<li><strong>Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a tua-bin kh\u00ed<\/strong>: Kh\u00ed x\u1ea3 c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n s\u1ebd cung c\u1ea5p nhi\u1ec1u nhi\u1ec7t h\u01a1n cho HRSG, t\u1ed1i \u01b0u qu\u00e1 tr\u00ecnh t\u1ea1o h\u01a1i.<\/li>\n<li><strong>C\u1ea5u tr\u00fac trao \u0111\u1ed5i nhi\u1ec7t<\/strong>: Thi\u1ebft k\u1ebf t\u1ed1i \u01b0u c\u1ee7a c\u00e1c b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t s\u1ebd t\u0103ng kh\u1ea3 n\u0103ng chuy\u1ec3n nhi\u1ec7t t\u1eeb kh\u00ed x\u1ea3 sang n\u01b0\u1edbc.<\/li>\n<li><strong>\u0110i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh<\/strong>: \u00c1p l\u1ef1c v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u01b0\u1edbc ng\u01b0ng v\u00e0 h\u01a1i n\u01b0\u1edbc, c\u00f9ng v\u1edbi l\u01b0u l\u01b0\u1ee3ng kh\u00ed x\u1ea3, \u1ea3nh h\u01b0\u1edfng t\u1edbi hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t.<\/li>\n<p><\/u1><\/p>\n<p>C\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n t\u00ednh hi\u1ec7u su\u1ea5t nhi\u1ec7t (\u03b7) c\u1ee7a HRSG c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n nh\u01b0 sau:<\/p>\n<blockquote><p>\n\u03b7 = \\(\\frac{Q_{h\u01a1i}}{Q_{kh\u00ed x\u1ea3}}\\) = \\(\\frac{m_{h\u01a1i} * (h_{u &#8211; h_{e}})}{m_{kh\u00ed x\u1ea3} * c_{kh\u00ed x\u1ea3} * (T_{v\u00e0o} &#8211; T_{ra})}\\)\n<\/p><\/blockquote>\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>m<sub>h\u01a1i<\/sub>: Kh\u1ed1i l\u01b0\u1ee3ng h\u01a1i sinh ra.<\/li>\n<li>h<sub>u<\/sub> &#8211; h<sub>e<\/sub>: Hi\u1ec7u nhi\u1ec7t c\u1ee7a h\u01a1i n\u01b0\u1edbc b\u00e3o h\u00f2a.<\/li>\n<li>m<sub>kh\u00ed x\u1ea3<\/sub>: Kh\u1ed1i l\u01b0\u1ee3ng kh\u00ed x\u1ea3.<\/li>\n<li>c<sub>kh\u00ed x\u1ea3<\/sub>: Nhi\u1ec7t dung ri\u00eang c\u1ee7a kh\u00ed x\u1ea3.<\/li>\n<li>T<sub>v\u00e0o<\/sub> v\u00e0 T<sub>ra<\/sub>: Nhi\u1ec7t \u0111\u1ed9 kh\u00ed x\u1ea3 v\u00e0o v\u00e0 ra kh\u1ecfi HRSG.<\/li>\n<p><\/u1><\/p>\n<p>B\u1eb1ng c\u00e1ch t\u1ed1i \u01b0u c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y, ch\u00fang ta c\u00f3 th\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t t\u1ed5ng c\u1ee7a nh\u00e0 m\u00e1y \u0111i\u1ec7n chu tr\u00ecnh k\u1ebft h\u1ee3p.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>HRSG \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u0103ng hi\u1ec7u su\u1ea5t nhi\u1ec7t v\u00e0 gi\u1ea3m ti\u00eau hao nhi\u00ean li\u1ec7u c\u1ee7a c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n s\u1eed d\u1ee5ng chu tr\u00ecnh h\u1ed7n h\u1ee3p. B\u1eb1ng c\u00e1ch t\u1ed1i \u01b0u thi\u1ebft k\u1ebf v\u00e0 \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh, HRSG gi\u00fap t\u1eadn d\u1ee5ng t\u1ed1i \u0111a nhi\u1ec7t d\u01b0 t\u1eeb tua-bin kh\u00ed v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n n\u0103ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Thi\u1ebft k\u1ebf, ch\u1ee9c n\u0103ng v\u00e0 hi\u1ec7u su\u1ea5t chu tr\u00ecnh h\u1ed7n h\u1ee3p c\u1ee7a HRSG trong k\u1ef9 thu\u1eadt nhi\u1ec7t, t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c thu h\u1ed3i nhi\u1ec7t v\u00e0 t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 h\u1ec7 th\u1ed1ng.<\/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\/ 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