{"id":18580,"date":"2024-04-08T14:01:16","date_gmt":"2024-04-08T07:01:16","guid":{"rendered":"https:\/\/vn-tech.com.vn\/?p=18580"},"modified":"2024-04-08T14:01:16","modified_gmt":"2024-04-08T07:01:16","slug":"phuong-phap-do-luu-luong-trong-nha-may-nhiet-dien","status":"publish","type":"post","link":"https:\/\/vn-tech.com.vn\/?p=18580","title":{"rendered":"Ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0u l\u01b0\u1ee3ng trong nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n"},"content":{"rendered":"<p data-sourcepos=\"3:1-3:245\">Vi\u1ec7c \u0111o l\u01b0u l\u01b0\u1ee3ng ch\u00ednh x\u00e1c trong nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111i\u1ec7n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0u l\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n c\u00e1c b\u1ea1n h\u00e3y c\u00f9ng VNTECH \u0111\u1ecdc v\u00e0 t\u00ecm hi\u1ec3u nh\u00e9 !<\/p>\n<h1><strong>\u0110o l\u01b0u l\u01b0\u1ee3ng l\u00e0 g\u00ec ?<\/strong><\/h1>\n<p>\u0110o l\u01b0u l\u01b0\u1ee3ng l\u00e0 m\u1ed9t trong nh\u1eefng ph\u00e9p \u0111o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n. Ch\u00fang ta c\u00f3 nhi\u1ec1u nguy\u00ean l\u00fd \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u00e1c nhau v\u00e0 h\u1ea7u h\u1ebft c\u00e1c nguy\u00ean l\u00fd \u0111o \u0111\u1ec1u cho k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c.<\/p>\n<h2><strong>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0u l\u01b0\u1ee3ng trong nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n<\/strong><\/h2>\n<p><strong>Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111o c\u01a1 b\u1ea3n v\u00e0 kh\u00e1 ph\u1ed5 bi\u1ebfn:<\/strong><\/p>\n<h3>\u0110o l\u01b0u l\u01b0\u1ee3ng th\u1ec3 t\u00edch (Volumetric Flow rate):<\/h3>\n<ul>\n<li>\u0110o l\u01b0u l\u01b0\u1ee3ng theo nguy\u00ean l\u00fd Ch\u00eanh \u00e1p<\/li>\n<li>\u0110o l\u01b0u l\u01b0\u1ee3ng theo nguy\u00ean l\u00fd Turbine<\/li>\n<li>\u0110o l\u01b0u l\u01b0\u1ee3ng theo nguy\u00ean l\u00fd \u0110i\u1ec7n t\u1eeb<\/li>\n<li>\u0110o l\u01b0u l\u01b0\u1ee3ng theo nguy\u00ean l\u00fd Vortex<\/li>\n<li>\u0110o l\u01b0u l\u01b0\u1ee3ng theo nguy\u00ean l\u00fd Chi\u1ebfm ch\u1ed7<\/li>\n<li>\u0110o l\u01b0u l\u01b0\u1ee3ng theo nguy\u00ean l\u00fd Si\u00eau \u00e2m (Ultrasonnics).<\/li>\n<\/ul>\n<h3>\u0110o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i l\u01b0\u01a1\u0323ng (Mass Flow-rate):<\/h3>\n<ul>\n<li>\u0110o l\u01b0u l\u01b0\u1ee3ng theo nguy\u00ean l\u00fd gia nhi\u1ec7t (ph\u00e2n t\u00e1n nhi\u1ec7t)<\/li>\n<li>\u0110o l\u01b0u l\u01b0\u1ee3ng theo nguy\u00ean l\u00fd Coriolis<\/li>\n<\/ul>\n<h2><strong>Ph\u00e2n t\u00edch ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0u l\u01b0\u1ee3ng<\/strong><\/h2>\n<p>Trong ph\u1ea1m vi nghi\u00ean c\u1ee9u kh\u1ea3o s\u00e1t &amp; \u0111\u00e1nh gi\u00e1 c\u1ee7a b\u00e0i vi\u1ebft n\u00e0y. T\u1eadp trung ph\u00e2n t\u00edch Ph\u01b0\u01a1ng ph\u00e1p \u0111o hi\u1ec7n h\u1eefu c\u1ee7a nh\u00e0 m\u00e1y \u0111ang s\u1eed d\u1ee5ng l\u00e0 \u0111o l\u01b0u l\u01b0\u1ee3ng ch\u00eanh \u00e1p s\u1eed d\u1ee5ng \u0111\u0129a ti\u1ebft l\u01b0u (Orifice) cho c\u00e1c \u0111\u01b0\u1eddng gi\u00f3 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng nh\u1ecf v\u00e0 Ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng \u1ed1ng Pitot cho c\u00e1c \u0111\u01b0\u1eddng gi\u00f3 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng l\u1edbn.<\/p>\n<h3>\u0110o l\u01b0u l\u01b0\u1ee3ng theo ph\u01b0\u01a1ng ph\u00e1p ch\u00eanh \u00e1p (Differential Pressure)<\/h3>\n<p><strong>Nguy\u00ean l\u00fd chung<\/strong><\/p>\n<p>\u0110\u00e2y l\u00e0 nguy\u00ean l\u00fd \u0111o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t hi\u1ec7n nay trong c\u00e1c ngh\u00e0nh c\u00f4ng nghi\u1ec7p qu\u00e1 tr\u00ecnh. Nguy\u00ean l\u00fd \u0111o n\u00e0y d\u1ef1a tr\u00ean Ph\u01b0\u01a1ng tr\u00ecnh l\u01b0u l\u01b0\u1ee3ng th\u1ec3 t\u00edch<\/p>\n<h1><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3310 aligncenter\" src=\"https:\/\/congnghiephoa.com.vn\/wp-content\/uploads\/2024\/03\/Picture1.png\" alt=\"\" width=\"604\" height=\"152\" \/><\/h1>\n<p>Theo \u0111\u00f3, ng\u01b0\u1eddi ta s\u1ebd s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb t\u1ea1o ch\u00eanh \u00e1p b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i ti\u1ebft di\u1ec7n ngang c\u1ee7a \u1ed1ng (theo h\u01b0\u1edbng nh\u1ecf l\u1ea1i) nh\u01b0:<\/p>\n<ul>\n<li>T\u1ea5m Orifice (Ti\u1ebft l\u01b0u);<\/li>\n<li>Venturi v\u00e0 \u1ed1ng \u0111o l\u01b0u l\u01b0\u1ee3ng;<\/li>\n<li>\u1ed0ng Pitot;<\/li>\n<li>Albow metters;<\/li>\n<li>Flow nozzle.<\/li>\n<\/ul>\n<p>\u0110\u1ec3 t\u00ednh to\u00e1n ra l\u01b0u l\u01b0\u1ee3ng c\u1ee7a m\u00f4i ch\u1ea5t \u0111o t\u1eeb ch\u00eanh \u00e1p DP ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng m\u1ed9t b\u1ed9 bi\u1ebfn \u0111\u1ed5i \u00e1p su\u1ea5t (Transmitter) ki\u1ec3u ch\u00eanh \u00e1p. Transmitter c\u00f3 2 \u0111\u1ea7u v\u00e0o \u00e1p su\u1ea5t t\u01b0\u01a1ng \u1ee9ng v\u1edbi \u00e1p su\u1ea5t cao nh\u1ea5t t\u1ea1o \u0111i\u1ec3m khi ti\u1ebft di\u1ec7n ngang c\u1ee7a \u1ed1ng chua thay \u0111\u1ed5i v\u00e0 \u00e1p su\u1ea5t th\u1ea5p nh\u1ea5t t\u1ea1i \u0111i\u1ec3m d\u00f2ng ch\u1ea3y c\u00f3 ti\u1ebft di\u1ec7n ngang nh\u1ecf nh\u1ea5t. \u0110\u1ec3 \u0111o \u0111\u01b0\u1ee3c l\u01b0u l\u01b0\u1ee3ng ch\u00ednh x\u00e1c nh\u1ea5t th\u00ec vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111i\u1ec3m l\u1ea5y \u00e1p su\u1ea5t c\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt li\u00ean quan \u0111\u1ebfn h\u01b0\u1edbng d\u00f2ng ch\u00e0y, \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng, v\u1ecb tr\u00ed v\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eef hai \u0111i\u1ec3m \u0111o \u00e1p su\u1ea5t,\u2026<\/p>\n<h2>C\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb \u0111o l\u01b0u l\u01b0\u1ee3ng b\u1eb1ng nguy\u00ean l\u00fd ch\u00eanh \u00e1p<\/h2>\n<ul>\n<li>\n<h3>T\u1ea5m Orifice (T\u1ea5m ti\u1ebft l\u01b0u).<\/h3>\n<\/li>\n<\/ul>\n<p>T\u1ea5m ti\u1ebft l\u01b0u l\u00e0 nh\u1eefng \u0111\u0129a kim lo\u1ea1i, t\u01b0\u01a1ng \u0111\u1ed1i b\u1eb1ng ph\u1eb3ng \u0111\u01b0\u1ee3c \u0111\u1ee5c nh\u1eefng l\u1ed7 c\u00f3 k\u00edch th\u01b0\u1edbc x\u00e1c \u0111\u1ecbnh.<\/p>\n<p>H\u00ecnh d\u1ea1ng c\u00f3 nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau: H\u00ecnh tr\u00f2n, Ovan, b\u00e1n nguy\u1ec7t hay h\u00ecnh c\u00f4n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3314 aligncenter\" src=\"https:\/\/congnghiephoa.com.vn\/wp-content\/uploads\/2024\/03\/Picture1-1.png\" alt=\"\" width=\"364\" height=\"284\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3313 aligncenter\" src=\"https:\/\/congnghiephoa.com.vn\/wp-content\/uploads\/2024\/03\/Picture2.png\" alt=\"\" width=\"605\" height=\"334\" \/><\/p>\n<p>H\u00ecnh 1: C\u1ea5u tr\u00fac \u0111\u0129a ti\u1ebft l\u01b0u v\u00e0 Ph\u01b0\u01a1ng ph\u00e1p t\u00ednh.<\/p>\n<p>Ph\u1ea7n l\u1edbn nh\u1ea5t c\u1ee7a \u00e1p su\u1ea5t \u0111\u1ed9ng \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh \u00e1p su\u1ea5t t\u0129nh ph\u00eda sau t\u1ea5m l\u1ed7: Ch\u1ec9 m\u1ed9t ph\u1ea7n nh\u1ecf \u00e1p su\u1ea5t t\u0129nh b\u1ecb m\u1ea5t khi \u00e1p su\u1ea5t gi\u1ea3m (dw).<\/p>\n<h3>\u01afu \u0111i\u1ec3m:<\/h3>\n<ul>\n<li>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh t\u1ed1t<\/li>\n<li>D\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec (ch\u1ec9 cho c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng k\u00edch th\u01b0\u1edbc nh\u1ecf)<\/li>\n<li>Ch\u1ec9 s\u1eed d\u1ee5ng chung 1 lo\u1ea1i transmitter m\u00e0 kh\u00f4ng c\u1ea7n quan t\u00e2m \u0111\u1ebfn k\u00edch th\u01b0\u1edbc c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng;<\/li>\n<\/ul>\n<h3>Nh\u01b0\u1ee3c \u0111i\u1ec3m;<\/h3>\n<ul>\n<li>Gi\u00e1 th\u00e0nh cao, \u0111\u1eb7c bi\u1ec7t cho c\u00e1c \u1ed1ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn;<\/li>\n<li>\u0110o\u1ea1n \u1ed1ng l\u1eafp \u0111\u0129a ti\u1ebft l\u01b0u ph\u1ea3i l\u00e0 \u0111o\u1ea1n \u00f4ng th\u1eb3ng<\/li>\n<li>Sai s\u1ed1 suy hao theo th\u1eddi gian: n\u1ebfu m\u00f4i ch\u1ea5t \u0111o l\u00e0m m\u00f2n ho\u1eb7c l\u00e0m sai s\u1ed1 c\u00e1c l\u1ed7 tr\u00ean \u0111\u0129a ti\u1ebft l\u01b0u s\u1ebd d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o sai.<\/li>\n<\/ul>\n<h2><strong>\u0110o l\u01b0u l\u01b0\u1ee3ng s\u1eed d\u1ee5ng \u1ed1ng Pitot<\/strong><\/h2>\n<ul>\n<li>\n<h3><strong>\u1ed0ng Pitot<\/strong><\/h3>\n<\/li>\n<\/ul>\n<p>\u0110\u01b0\u1ee3c ph\u00e1t minh b\u1edfi k\u1ef9 s\u01b0 ng\u01b0\u1eddi Ph\u00e1p Henri Pitot, \u1ed1ng Pitot l\u00e0 thi\u1ebft b\u1ecb \u0111o \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 t\u00ednh v\u1eadn t\u1ed1c v\u00e0 l\u01b0u l\u01b0\u1ee3ng c\u00e1c d\u00f2ng ch\u1ea3y. Sau khi \u0111c ph\u00e1t minh b\u1edfi Henri Pitot, \u1ed1ng\u00a0\u0111\u01b0\u1ee3c ch\u1ec9nh s\u1eeda tr\u1edf n\u00ean hi\u00ean \u0111\u1ea1i v\u1edbi h\u00ecnh d\u00e1ng ng\u00e0y n\u00e0y nh\u1edd nh\u00e0 khoa h\u1ecdc ng\u01b0\u1eddi Ph\u00e1p Henry Darcy. \u1ed0ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00f9ng \u0111\u1ec3 \u0111o v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y, v\u1eadn t\u1ed1c kh\u00f4ng kh\u00ed tr\u00ean m\u00e1y bay, v\u1eadn t\u1ed1c n\u01b0\u1edbc \u1edf t\u00e0u th\u1ee7y v\u00e0 v\u00e2n t\u1ed1c c\u00e1c d\u00f2ng ch\u1ea5t l\u1ecfng, kh\u00ed kh\u00e1c nhau trong c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p.\u00a0<em>\u1ed0ng Pitot<\/em>\u00a0kh\u00f4ng th\u1ec3 \u0111o \u0111\u01b0\u1ee3c v\u00e2n t\u1ed1c ch\u1ea3y trung b\u00ecnh trong c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng, \u1ed1ng d\u1eabn, ch\u00fang ch\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng \u0111o v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y c\u1ee5c b\u1ed9 t\u1ea1i m\u1ed9t \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-3315 aligncenter\" src=\"https:\/\/congnghiephoa.com.vn\/wp-content\/uploads\/2024\/03\/Picture3.jpg\" alt=\"\" width=\"291\" height=\"170\" \/><\/p>\n<ul>\n<li>\n<h3><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u1ed1ng Pitot<\/strong><\/h3>\n<\/li>\n<\/ul>\n<p><strong>\u1ed0ng Pitot<\/strong>\u00a0c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o g\u1ed3m m\u1ed9t \u1ed1ng h\u01b0\u1edbng tr\u1ef1c ti\u1ebfp v\u00e0o d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng v\u00e0 m\u1ed9t m\u00e1ng m\u1ecfng \u1edf b\u00ean trong. Khi \u1ed1ng n\u00e0y ch\u1ee9a m\u1ed9t ch\u1ea5t l\u1ecfng, l\u00fac n\u00e0y \u00e1p su\u1ea5t s\u1ebd \u0111\u01b0\u1ee3c \u0111o. C\u1ee5 th\u1ec3 h\u01a1n, \u1ed1ng \u0111o \u00e1p su\u1ea5t s\u1ebd \u0111\u01b0\u1ee3c ch\u00e8n v\u00e0o gi\u1eefa \u0111\u01b0\u1eddng \u1ed1ng \u0111\u01b0\u1ee3c xem l\u00e0 \u1ed1ng \u0111\u1ec3 \u0111o \u00e1p su\u1ea5t t\u1ed5ng v\u00e0 \u1ed1ng k\u1ebf ti\u1ebfp d\u00f9ng \u0111\u1ec3 \u0111o \u00e1p su\u1ea5t t\u0129nh. Khi l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng ch\u1ea3y qua \u1ed1ng thay \u0111\u1ed5i, \u00e1p su\u1ea5t t\u1ea1i hai \u1ed1ng n\u00e0y c\u0169ng thay \u0111\u1ed5i tuy theo v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea5t l\u1ecfng. S\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t gi\u1eefa \u1ed1ng \u00e1p su\u1ea5t t\u1ed5ng v\u00e0 \u1ed1ng \u00e1p su\u1ea5t t\u0129nh t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea5t l\u1ecfng qua \u1ed1ng.<\/p>\n<p>V\u1eadn t\u1ed1c c\u1ee7a d\u00f2ng ch\u1ea3y kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi \u00e1p su\u1ea5t \u0111o \u0111\u01b0\u1ee3c. Thay v\u00e0o \u0111\u00f3, theo ph\u01b0\u01a1ng t\u00ecnh Bernoulli, ta c\u00f3:<\/p>\n<p><strong>\u00c1p su\u1ea5t t\u1ed5ng = \u00c1p su\u1ea5t t\u0129nh + \u00c1p su\u1ea5t \u0111\u1ed9ng\u00a0<\/strong>,c\u00f3 th\u1ec3 vi\u1ebft l\u00e0:<\/p>\n<p>Gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y:<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>u l\u00e0 v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y (m\/s)<\/li>\n<li>Pt l\u00e0 \u00e1p su\u1ea5t t\u1ed5ng (Pa)<\/li>\n<li>Ps l\u00e0 \u00e1p su\u1ea5t t\u0129nh (Pa)<\/li>\n<li>p l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a ch\u1ea5t l\u1ecfng (kg\/m3)<\/li>\n<\/ul>\n<p>Nh\u01b0 ch\u00fang ta \u0111\u00e3 bi\u1ebft \u00e1p su\u1ea5t \u0111\u1ed9ng l\u00e0 s\u1ef1 ch\u00eanh l\u00each gi\u1eefa \u00e1p su\u1ea5t t\u1ed5ng v\u00e0 \u00e1p su\u1ea5t t\u0129nh. \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh \u00e1p su\u1ea5t \u0111\u1ed9ng, ch\u00fang ta s\u1ebd s\u1eed d\u1ee5ng m\u1ed9t m\u00e0ng ng\u0103n b\u00ean trong \u0111\u01b0\u1eddng \u1ed1ng k\u00edn. V\u1edbi \u00e1p su\u1ea5t \u0111\u1ed9ng \u0111o \u0111\u01b0\u1ee3c t\u1eeb vi\u1ec7c b\u1ed1 tr\u00ed tr\u00ean, ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 bay c\u1ee7a m\u00e1y bay. Vi\u1ec7c b\u1ed1 tr\u00ed m\u00e0ng ng\u0103n nh\u01b0 m\u00f4 t\u1ea3 \u1edf tr\u00ean th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong c\u00e1c ph\u1ea7n \u0111o ch\u1ec9 s\u1ed1 t\u1ed1c \u0111\u1ed9 bay, s\u1ef1 chuy\u1ec3n \u0111\u1ed5i \u00e1p su\u1ea5t \u0111\u1ed9ng \u0111\u1ebfn m\u1ed9t thi\u1ebft b\u1ecb \u0111\u1ecdc t\u1ed1c \u0111\u1ed9 bay b\u1eb1ng ph\u01b0\u01a1ng ti\u1ec7n c\u1ee7a \u0111\u00f2n b\u1ea9y c\u01a1 kh\u00ed.<\/p>\n<p>Thay v\u00ec \u0111\u1eb7t \u1ed1ng Pitot v\u00e0 c\u1ed5ng t\u0129nh ri\u00eang bi\u1ec7t, m\u1ed9t\u00a0<strong>\u1ed1ng pitot t\u0129nh<\/strong>\u00a0c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, trong \u0111\u00f3 c\u00f3 m\u1ed9t \u1ed1ng \u0111\u1ed3ng tr\u1ee5c th\u1ee9 hai v\u1edbi c\u00e1c \u1ed1ng pitot c\u00f3 l\u1ed7 \u1edf hai b\u00ean, \u1edf b\u00ean ngo\u00e0i lu\u1ed3ng kh\u00f4ng kh\u00ed tr\u1ef1c ti\u1ebfp, \u0111\u1ec3 \u0111o \u00e1p su\u1ea5t t\u0129nh.<\/p>\n<p>T\u1ef7 l\u1ec7 d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng trong m\u1ed9t \u1ed1ng d\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u01b0\u1edbc t\u00ednh t\u1eeb:<\/p>\n<p><strong>L\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y (m3\/ph) = di\u1ec7n t\u00edch m\u1eb7t c\u1eaft \u1ed1ng (m2) x v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y (m\/ph)<\/strong><\/p>\n<p>\u0110\u1ed1i v\u1edbi ng\u00e0nh h\u00e0ng kh\u00f4ng, t\u1ed1c \u0111\u1ed9 kh\u00f4ng kh\u00ed th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng h\u1ea3i l\u00fd\/ gi\u1edd<\/p>\n<p>Trong tr\u1ea1m th\u1eddi ti\u1ebft v\u1edbi t\u1ed1c \u0111\u1ed9 gi\u00f3 cao, c\u00e1c \u1ed1ng pitot \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i \u0111\u1ec3 t\u1ea1o ra m\u1ed9t lo\u1ea1i phong k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u1ed1ng pitot phong k\u1ebf t\u0129nh.<\/p>\n<h2><strong>\u1ee8ng d\u1ee5ng c\u1ee7a \u1ed1ng Pitot trong c\u00f4ng nghi\u1ec7p<\/strong><\/h2>\n<p>Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p, phong k\u1ebf r\u1ea5t kh\u00f3 s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y c\u1ea7n \u0111o. V\u00ec v\u1eady, \u1ed1ng Pitot l\u00e0 d\u1ee5ng c\u1ee5 d\u1ec5 d\u00e0ng thao t\u00e1c v\u00e0 thi\u1ebft th\u1ef1c nh\u1ea5t trong c\u00e1c ph\u00e9p \u0111o. \u1ed0ng pitot s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o b\u00ean trong \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c \u1ed1ng d\u1eabn th\u00f4ng qua m\u1ed9t l\u1ed7 nh\u1ecf, \u1ed1ng Pitot s\u1ebd \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t m\u00e1y \u0111o d\u1ea1ng \u1ed1ng ch\u1eef U ho\u1eb7c m\u1ed9t m\u00e1y \u0111o \u00e1p su\u1ea5t kh\u00e1c \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y b\u00ean trong \u0111\u01b0\u1eddng \u1ed1ng gi\u00f3 ng\u1ea7m ho\u00e1. B\u00ean c\u1ea1nh \u0111\u00f3, ch\u00fang ta c\u00f3 m\u1ed9t \u1ee9ng d\u1ee5ng kh\u00e1c c\u1ee7a k\u1ef9 thu\u1eadt n\u00e0y l\u00e0 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c th\u1ed5i v\u00e0o b\u00ean trong m\u1ed9t kh\u00f4ng gian \u0111i\u1ec1u h\u00f2a. Ngo\u00e0i ra \u1ed1ng Pitot c\u00f2n s\u1eed d\u1ee5ng \u0111o l\u01b0u l\u01b0\u1ee3ng gi\u00f3 trong c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng gi\u00f3 c\u1ea5p 1, 2 \u2026c\u1ee7a c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n.<\/p>\n<ul>\n<li>\n<h3><strong>\u01afu \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a \u1ed1ng Pitot trong th\u1ef1c t\u1ebf<\/strong><\/h3>\n<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1ed1i vi\u1ec7c s\u1eed d\u1ee5ng \u1ed1ng Pitot ch\u00fang ta s\u1ebd c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf ri\u00eang.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3317 aligncenter\" src=\"https:\/\/congnghiephoa.com.vn\/wp-content\/uploads\/2024\/03\/Picture5.jpg\" alt=\"\" width=\"546\" height=\"401\" \/><\/p>\n<h3><strong>\u01afu \u0111i\u1ec3m c\u1ee7a \u1ed1ng Pitot:<\/strong><\/h3>\n<ul>\n<li>\u00cdt c\u1ea3n tr\u1edf d\u00f2ng ch\u1ea3y<\/li>\n<li>\u00cdt t\u1ed1n k\u00e9m chi ph\u00ed<\/li>\n<li>\u0110\u1ed1i v\u1edbi nh\u1eefng lo\u1ea1i l\u01b0u l\u01b0\u1ee3ng k\u1ebf \u0111\u01a1n gi\u1ea3n c\u00f3 th\u1ec3 th\u1ec3 d\u00f9ng cho nhi\u1ec1u lo\u1ea1i \u0111\u01b0\u1eddng \u1ed1ng, \u1ed1ng d\u1eabn kh\u00e1c nhau<\/li>\n<\/ul>\n<h3><strong>H\u1ea1n ch\u1ebf c\u1ee7a \u1ed1ng Pitot:<\/strong><\/h3>\n<ul>\n<li>Kh\u00f3 kh\u0103n trong ki\u1ec3m tra v\u00e0 hi\u1ec7u ch\u1ec9nh<\/li>\n<li>N\u1ebfu v\u1eadn t\u1ed1c c\u1ee7a d\u00f2ng ch\u1ea3y th\u1ea5p, s\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t s\u1ebd r\u1ea5t nh\u1ecf v\u00ec v\u1eady \u0111\u1ea7u \u0111o s\u1ebd kh\u00f3 c\u00f3 th\u1ec3 \u0111o \u0111\u1ea1t ch\u00ednh x\u00e1c.<\/li>\n<\/ul>\n<p>C\u00f2n n\u1ebfu v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y qu\u00e1 l\u1edbn, \u0111i\u1ec1u n\u00e0y kh\u00f4ng n\u1eb1m trong gi\u1ea3 \u0111\u1ecbnh c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh Bernoulli v\u00ec v\u1eady s\u1ebd cho ra ph\u00e9p \u0111o kh\u00f4ng \u0111\u00fang.<\/p>\n<p>C\u00e1c thi\u1ebft b\u1ecb tr\u00ean cung c\u1ea5p ch\u00eanh \u00e1p, v\u00e0 \u0111\u1ec3 t\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng, ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng b\u1ed9 bi\u1ebfn \u0111\u1ed5i \u00e1p su\u1ea5t ki\u1ec3u ch\u00eanh \u00e1p. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u00e1p su\u1ea5t cao nh\u1ea5t t\u1ea1o \u0111i\u1ec3m khi ti\u1ebft di\u1ec7n ngang c\u1ee7a \u1ed1ng thay \u0111\u1ed5i, v\u00e0 \u00e1p su\u1ea5t th\u1ea5p nh\u1ea5t t\u1ea1i \u0111i\u1ec3m d\u00f2ng ch\u1ea3y c\u00f3 ti\u1ebft di\u1ec7n ngang nh\u1ecf nh\u1ea5t. Vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111i\u1ec3m l\u1ea5y \u00e1p su\u1ea5t c\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt li\u00ean quan \u0111\u1ebfn h\u01b0\u1edbng d\u00f2ng ch\u1ea3y, \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng, v\u1ecb tr\u00ed v\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111i\u1ec3m \u0111o \u00e1p su\u1ea5t.<\/p>\n<h2><strong>K\u1ebft lu\u1eadn<\/strong><\/h2>\n<p>T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0u l\u01b0\u1ee3ng n\u00eau tr\u00ean, v\u1edbi m\u00f4i tr\u01b0\u1eddng kh\u00f3i b\u1ee5i v\u00e0 th\u1eddi gian l\u00e0m vi\u1ec7c tr\u00ean 15 n\u0103m th\u00ec s\u1ebd xu\u1ea5t hi\u1ec7n s\u1ef1 m\u00e0i m\u00f2n c\u1ee7a c\u00e1c \u1ed1ng thu t\u00edn hi\u1ec7u \u00e1p su\u1ea5t, \u00e1p su\u1ea5t thu t\u1ea1i c\u00e1c \u0111\u1ea7u t\u0129nh v\u00e0 \u0111\u1ea7u \u0111\u1ed9ng c\u1ee7a \u1ed1ng Pitot, \u0111\u0129a ti\u1ebft l\u01b0u \u0111\u00e3 kh\u00f4ng c\u00f2n ch\u00ednh x\u00e1c. \u0110i\u1ec1u n\u00e0y g\u00e2y l\u00ean \u00e1p su\u1ea5t ch\u00eanh \u00e1p \u0111\u1eb7t v\u00e0o b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u c\u0169ng kh\u00f4ng ch\u00ednh x\u00e1c v\u00e0 k\u1ebft qu\u1ea3 \u0111o \u0111\u01b0\u1ee3c c\u0169ng kh\u00f4ng ch\u00ednh x\u00e1c, ph\u1ea3n \u1ea3nh kh\u00f4ng trung th\u1ef1c gi\u00e1 tr\u1ecb \u0111o l\u01b0u l\u01b0\u1ee3ng c\u1ee7a gi\u00f3 v\u00e0o bu\u1ed3ng \u0111\u1ed1t t\u1ea1i c\u00e1c \u0111i\u1ec3m v\u00e0 t\u1ed5ng l\u01b0u l\u01b0\u1ee3ng gi\u00f3 c\u0169ng sai s\u1ed1. V\u00e0 g\u1eb7p th\u00eam m\u1ed9t v\u00e0i t\u00ecnh hu\u1ed1ng sau:<\/p>\n<ul>\n<li>Mi\u1ec7ng \u1ed1ng pitot b\u1ecb m\u00f2n &amp; c\u00f3 r\u1ec9 s\u00e9t.<\/li>\n<li>Hay b\u1ecb t\u1eafc<\/li>\n<li>B\u1ea3o d\u01b0\u1ee1ng kh\u00f3 kh\u0103n;<\/li>\n<li>Kh\u00f4ng th\u1ec3 hi\u1ec7u ch\u1ec9nh \u0111\u01b0\u1ee3c;<\/li>\n<li>To\u00e0n b\u1ed9 c\u00e1c \u0111i\u1ec3m \u0111o \u0111\u00e3 b\u1ecb tr\u00f4i \u0111i\u1ec3m kh\u00f4ng nh\u01b0ng kh\u00f4ng th\u1ec3 hi\u1ec7u ch\u1ec9nh \u0111\u01b0\u1ee3c;<\/li>\n<li>Vi\u1ec7c th\u00e1o l\u1eafp &amp; b\u1ea3o d\u01b0\u1ee1ng r\u1ea5t kh\u00f3 kh\u0103n;<\/li>\n<li>Mu\u1ed1n ki\u1ec3m tra c\u00e1c \u0111\u01b0\u1eddng \u00e1p su\u1ea5t t\u0129nh\/\u00e1p su\u1ea5t \u0111\u1ed9ng c\u1ee7a \u1ed1ng pitot v\u00e0 \u0111\u0129a ti\u1ebft l\u01b0u ch\u1ec9 c\u00f3 th\u1ec3 d\u1eebng t\u1ed5 m\u00e1y sau \u0111\u00f3 th\u00e1o \u0111\u01b0\u1eddng \u1ed1ng m\u1edbi c\u00f3 th\u1ec3 ki\u1ec3m tra \u0111\u01b0\u1ee3c;<\/li>\n<li>C\u00e1c \u0111i\u1ec3m \u0111o l\u01b0u l\u01b0\u1ee3ng c\u00f3 sai s\u1ed1 l\u1edbn<\/li>\n<\/ul>\n<h4><strong>\u0110\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00eau tr\u00ean, VNTECH c\u00f3 gi\u1ea3i ph\u00e1p \u0111\u1ea7u t\u01b0 thi\u1ebft b\u1ecb c\u00f3 c\u00f4ng ngh\u1ec7 t\u1ed1t h\u01a1n \u0111\u00f3 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00e1n nhi\u1ec7t<\/strong><\/h4>\n<p><strong>VNTECH GROUP<\/strong> cung c\u1ea5p c\u00e1c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u1edbi ti\u00eau chu\u1ea9n ch\u00e2u \u00e2u cho \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 ch\u1ebf \u0111\u1ed9 b\u1ea3o h\u00e0nh l\u00ean \u0111\u1ebfn 5 n\u0103m cho Qu\u00fd kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 y\u00ean t\u00e2m s\u1eed d\u1ee5ng l\u00e2u d\u00e0i.<\/p>\n<p>V\u1edbi kim ch\u1ec9 nam l\u00e0 lu\u00f4n mang l\u1ea1i nh\u1eefng s\u1ea3n ph\u1ea9m t\u1ed1t nh\u1ea5t \u0111\u1ebfn v\u1edbi kh\u00e1ch h\u00e0ng, VN TECH Group \u0111\u00e3 v\u00e0 \u0111ang l\u1eafng nghe v\u00e0 th\u1ea5u hi\u1ec3u t\u00e2m l\u00fd c\u0169ng nh\u01b0 nhu c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng\u00a0 H\u1ed7 tr\u1ee3 l\u1eafp \u0111\u1eb7t v\u00e0 \u0111\u01b0a ra gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u nh\u1ea5t l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng khi h\u1ee3p t\u00e1c v\u1edbi VN TECH c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n<h2><span id=\"Lien_he\"><strong>Li\u00ean h\u1ec7<\/strong><\/span><\/h2>\n<p><strong>VN TECH GROUP<\/strong>\u00a0lu\u00f4n t\u00e2m ni\u1ec7m s\u1ef1 h\u00e0i l\u00f2ng c\u1ee7a kh\u00e1ch h\u00e0ng l\u00e0 m\u1ee5c ti\u00eau quan tr\u1ecdng. Ch\u00fang t\u00f4i cam k\u1ebft \u0111em l\u1ea1i nh\u1eefng s\u1ea3n ph\u1ea9m v\u00e0 d\u1ecbch v\u1ee5 v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t nh\u1ea5t cho Qu\u00fd kh\u00e1ch h\u00e0ng.<\/p>\n<p>H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 c\u00f3 gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t cho y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n c\u00f9ng v\u1edbi gi\u00e1 c\u1ea3 c\u1ea1nh tranh nh\u1ea5t th\u1ecb tr\u01b0\u1eddng<\/p>\n<p><strong>Xem th\u00eam:<\/strong><\/p>\n<p class=\"mb-2\"><a href=\"https:\/\/vntechgroup.com.vn\/cam-bien-do-muc-lien-tuc-4-20-ma\/\" target=\"_blank\" rel=\"noopener\">C\u1ea3m bi\u1ebfn \u0111o m\u1ee9c li\u00ean t\u1ee5c 4-20 mA<\/a><\/p>\n<p><a href=\"https:\/\/congnghiephoa.com.vn\/bo-chuyen-doi-tin-hieu\/\" target=\"_blank\" rel=\"noopener\">B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u\u00a0<\/a><\/p>\n<p><a href=\"https:\/\/vntechgroup.com.vn\/gioi-thieu-bo-pr-3202-bo-cach-ly-xung-bo-khuech-dai-cong-tac\/\" target=\"_blank\" rel=\"noopener\">S\u1ea3n ph\u1ea9m m\u1edbi PR Electronics<\/a><\/p>\n<p><a href=\"https:\/\/vn-tech.com.vn\/bo-chuyen-doi-tin-hieu-da-nang-pr4116.html\">B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111a n\u0103ng PR4116<\/a><\/p>\n<p><a href=\"https:\/\/vn-tech.com.vn\/10-cau-hoi-man-hinh-hien-thi-tin-hieu-pr-4511.html\">10 c\u00e2u h\u1ecfi \u0111\u00e1p v\u1ec1 m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb t\u00edn hi\u1ec7u PR 4511<\/a><\/p>\n<p><a href=\"https:\/\/vn-tech.com.vn\/bo-chuyen-doi-tin-hieu-xung-da-nang-pr-4225.html\">B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u xung \u0111a n\u0103ng PR 4225<\/a><\/p>\n<div class=\"meta-box\">\n<div class=\"cats\">\n<section class=\"elementor-section elementor-top-section elementor-element elementor-element-408f724 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"408f724\" data-element_type=\"section\">\n<div class=\"elementor-container elementor-column-gap-default\">\n<div class=\"elementor-row\">\n<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-258388a6\" data-id=\"258388a6\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n<div class=\"elementor-column-wrap elementor-element-populated\">\n<div class=\"elementor-widget-wrap\">\n<div class=\"elementor-element elementor-element-6f2ebe96 elementor-widget elementor-widget-theme-post-content\" data-id=\"6f2ebe96\" data-element_type=\"widget\" data-widget_type=\"theme-post-content.default\">\n<div class=\"elementor-widget-container\">\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2013<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<div dir=\"auto\"><strong>VNTECH GROUP \u2013 Your Partner For Automation, Instrumentation &amp; Industrial Valves<\/strong><\/div>\n<div dir=\"auto\">C\u00f4ng Ty Thi\u1ebft B\u1ecb C\u00f4ng Nghi\u1ec7p Vi\u1ec7t Nh\u1eadt<\/div>\n<div dir=\"auto\">Hotline: 0918 113 733<\/div>\n<div dir=\"auto\">Email: info@vntechgroup.com.vn<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c \u0111o l\u01b0u l\u01b0\u1ee3ng ch\u00ednh x\u00e1c trong nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111i\u1ec7n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0u l\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n c\u00e1c b\u1ea1n &#8230; <a title=\"Ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0u l\u01b0\u1ee3ng trong nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n\" class=\"read-more\" href=\"https:\/\/vn-tech.com.vn\/?p=18580\" aria-label=\"More on Ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0u l\u01b0\u1ee3ng trong nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n\">\u0110\u1ecdc ti\u1ebfp<\/a><\/p>\n","protected":false},"author":9,"featured_media":18581,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[229,3318],"tags":[],"class_list":["post-18580","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","category-du-an"],"lang":"vi","translations":{"vi":18580},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/18580"}],"collection":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18580"}],"version-history":[{"count":1,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/18580\/revisions"}],"predecessor-version":[{"id":18582,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/18580\/revisions\/18582"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/media\/18581"}],"wp:attachment":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}