{"id":1535,"date":"2026-11-06T09:40:11","date_gmt":"2026-11-06T01:40:11","guid":{"rendered":"https:\/\/chinasensair.com\/?post_type=news&#038;p=1535"},"modified":"2026-11-04T09:56:29","modified_gmt":"2026-11-04T01:56:29","slug":"dust-extraction-pipe-sizing-velocity-diameter-layout","status":"publish","type":"news","link":"https:\/\/chinasensair.com\/vi\/tin-tuc\/dust-extraction-pipe-sizing-velocity-diameter-layout\/","title":{"rendered":"Dust Extraction Pipe Sizing: Velocity, Diameter, Layout"},"content":{"rendered":"<p>X\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc \u1ed1ng h\u00fat b\u1ee5i d\u1ef1a tr\u00ean l\u01b0u l\u01b0\u1ee3ng kh\u00ed v\u00e0 v\u1eadn t\u1ed1c v\u1eadn chuy\u1ec3n, kh\u00f4ng d\u1ef1a tr\u00ean c\u00f4ng su\u1ea5t qu\u1ea1t. Chia l\u01b0u l\u01b0\u1ee3ng kh\u00ed c\u1ee7a t\u1eebng \u0111i\u1ec3m h\u00fat cho v\u1eadn t\u1ed1c t\u1ed1i thi\u1ec3u gi\u00fap b\u1ee5i duy tr\u00ec tr\u1ea1ng th\u00e1i l\u01a1 l\u1eedng, chuy\u1ec3n \u0111\u1ed5i di\u1ec7n t\u00edch \u0111\u00f3 th\u00e0nh \u0111\u01b0\u1eddng k\u00ednh, r\u1ed3i l\u00e0m tr\u00f2n xu\u1ed1ng m\u1ed9t k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n. X\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc \u1ed1ng ch\u00ednh d\u1ef1a tr\u00ean tr\u1ea1m xa nh\u1ea5t, ch\u1ec9 t\u0103ng k\u00edch th\u01b0\u1edbc t\u1ea1i nh\u1eefng n\u01a1i c\u00e1c nh\u00e1nh nh\u1eadp v\u00e0o.<\/p>\n<h2>V\u00ec sao v\u1eadn t\u1ed1c quy\u1ebft \u0111\u1ecbnh b\u1ee5i c\u00f3 l\u1eafng hay kh\u00f4ng<\/h2>\n<p>V\u1eadn t\u1ed1c kh\u00ed trong \u1ed1ng gi\u00f3 b\u1eb1ng l\u01b0u l\u01b0\u1ee3ng gi\u00f3 chia cho di\u1ec7n t\u00edch m\u1eb7t c\u1eaft ngang c\u1ee7a \u1ed1ng. M\u1ed1i quan h\u1ec7 ch\u1ec9 \u0111\u01a1n gi\u1ea3n c\u00f3 v\u1eady. M\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng 315 mm t\u1ea3i l\u01b0u l\u01b0\u1ee3ng 5.600 m\u00b3\/h s\u1ebd d\u1eabn kh\u00ed \u1edf t\u1ed1c \u0111\u1ed9 kho\u1ea3ng 20 m\/s. C\u0169ng \u0111\u01b0\u1eddng \u1ed1ng \u0111\u00f3 n\u1ebfu ch\u1ec9 t\u1ea3i 1.500 m\u00b3\/h th\u00ec t\u1ed1c \u0111\u1ed9 ch\u1ec9 kho\u1ea3ng 5 m\/s, v\u00e0 b\u1ee5i s\u1ebd l\u1eafng \u0111\u1ecdng xu\u1ed1ng \u0111\u00e1y \u1ed1ng.<\/p>\n<p>C\u00f4ng su\u1ea5t qu\u1ea1t ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 th\u1ed1ng th\u00f4ng qua l\u01b0u l\u01b0\u1ee3ng kh\u00ed. Qu\u1ea1t l\u1edbn h\u01a1n s\u1ebd l\u00e0m t\u0103ng v\u1eadn t\u1ed1c n\u1ebfu th\u1ef1c s\u1ef1 \u0111\u1ea9y \u0111\u01b0\u1ee3c nhi\u1ec1u kh\u00f4ng kh\u00ed h\u01a1n qua c\u00f9ng m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng. Qu\u1ea1t kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c m\u1ed9t \u1ed1ng d\u1eabn qu\u00e1 r\u1ed9ng so v\u1edbi l\u01b0u l\u01b0\u1ee3ng kh\u00ed th\u1ef1c t\u1ebf \u0111i qua, v\u00e0 t\u00ecnh hu\u1ed1ng n\u00e0y r\u1ea5t ph\u1ed5 bi\u1ebfn: \u0111\u01b0\u1eddng \u1ed1ng ch\u00ednh \u0111\u01b0\u1ee3c t\u00ednh cho tr\u01b0\u1eddng h\u1ee3p m\u1ecdi tr\u1ea1m c\u00f9ng ho\u1ea1t \u0111\u1ed9ng, nh\u01b0ng trong h\u1ea7u h\u1ebft c\u00e1c ca l\u00e0m vi\u1ec7c, m\u1ed9t n\u1eeda s\u1ed1 van c\u1eeda h\u00fat \u0111\u1ec1u \u0111\u00f3ng.<\/p>\n<p>So v\u1edbi l\u1ed1i t\u1eaft ph\u1ed5 bi\u1ebfn l\u00e0 ch\u1ecdn k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1eddng \u1ed1ng kh\u1edbp v\u1edbi c\u1eeda v\u00e0o c\u1ee7a b\u1ed9 thu b\u1ee5i, vi\u1ec7c t\u00ednh to\u00e1n k\u00edch th\u01b0\u1edbc d\u1ef1a tr\u00ean v\u1eadn t\u1ed1c th\u01b0\u1eddng cho ra c\u00e1c nh\u00e1nh nh\u1ecf h\u01a1n v\u00e0 \u1ed1ng ch\u00ednh c\u00f3 \u0111\u01b0\u1eddng k\u00ednh t\u0103ng d\u1ea7n d\u1ecdc theo chi\u1ec1u d\u00e0i. H\u00ecnh d\u1ea1ng \u0111\u00f3 l\u00e0 d\u1ea5u hi\u1ec7u tr\u1ef1c quan c\u1ee7a m\u1ed9t m\u1ea1ng l\u01b0\u1edbi \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 v\u1eadn chuy\u1ec3n h\u1ea1t b\u1ee5i thay v\u00ec \u0111\u1ec3 thu\u1eadn ti\u1ec7n thi c\u00f4ng.<\/p>\n<p>B\u1ee5i l\u1eafng kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t. N\u00f3 l\u00e0m gi\u1ea3m ti\u1ebft di\u1ec7n hi\u1ec7u d\u1ee5ng c\u1ee7a \u1ed1ng, t\u0103ng tr\u1edf l\u1ef1c v\u00e0, \u0111\u1ed1i v\u1edbi b\u1ee5i d\u1ec5 ch\u00e1y, t\u1ea1o ra ngu\u1ed3n nhi\u00ean li\u1ec7u b\u00ean trong \u1ed1ng. NFPA 660, Ti\u00eau chu\u1ea9n v\u1ec1 B\u1ee5i d\u1ec5 ch\u00e1y v\u00e0 Ch\u1ea5t r\u1eafn d\u1ea1ng h\u1ea1t (\u1ea4n b\u1ea3n 2025), \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c m\u1ed1i nguy do b\u1ee5i d\u1ec5 ch\u00e1y trong h\u1ec7 th\u1ed1ng thu gom b\u1ee5i; OSHA cung c\u1ea5p h\u01b0\u1edbng d\u1eabn v\u1ec1 b\u1ee5i d\u1ec5 ch\u00e1y cho ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u00f3i chung t\u1ea1i Hoa K\u1ef3.<\/p>\n<h2>C\u00e1c m\u1ed1c v\u1eadn t\u1ed1c v\u1eadn chuy\u1ec3n \u0111i\u1ec3n h\u00ecnh<\/h2>\n<table border=\"1\">\n<tbody>\n<tr>\n<td><strong><b>Lo\u1ea1i b\u1ee5i<\/b><\/strong><\/td>\n<td><strong><b>V\u1eadn t\u1ed1c \u1ed1ng nh\u00e1nh<\/b><\/strong><\/td>\n<td><strong><b>V\u1eadn t\u1ed1c trong \u0111\u01b0\u1eddng \u1ed1ng ch\u00ednh<\/b><\/strong><\/td>\n<td><strong><b>Ghi ch\u00fa<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>B\u1ee5i v\u00e0 d\u0103m g\u1ed7<\/td>\n<td>~20 m\/s (\u22484.000 fpm)<\/td>\n<td>~18 m\/s (\u22483.500 fpm)<\/td>\n<td>D\u0103m d\u00e0i v\u00e0 phoi c\u1ea7n m\u1ee9c \u1edf \u0111\u1ea7u tr\u00ean<\/td>\n<\/tr>\n<tr>\n<td>B\u1ee5i m\u1ecbn nh\u1eb9, kh\u00f4 (nhi\u1ec1u lo\u1ea1i b\u1ed9t)<\/td>\n<td>~18\u201320 m\/s<\/td>\n<td>~18 m\/s<\/td>\n<td>Ki\u1ec3m tra xem b\u1ed9t c\u00f3 h\u00fat \u1ea9m hay kh\u00f4ng<\/td>\n<\/tr>\n<tr>\n<td>B\u1ee5i gia c\u00f4ng kim lo\u1ea1i v\u00e0 m\u00e0i<\/td>\n<td>~23 m\/s (\u22484.500 fpm)<\/td>\n<td>~20 m\/s (\u22484.000 fpm)<\/td>\n<td>H\u1ea1t \u0111\u1eb7c; d\u1ef1 ki\u1ebfn khu\u1ef7u \u1ed1ng s\u1ebd b\u1ecb m\u00e0i m\u00f2n<\/td>\n<\/tr>\n<tr>\n<td>B\u1ee5i n\u1eb7ng, \u1ea9m ho\u1eb7c d\u00ednh (v\u00ed d\u1ee5: xi m\u0103ng)<\/td>\n<td>25 m\/s tr\u1edf l\u00ean (\u22485.000+ fpm)<\/td>\n<td>B\u1eb1ng ho\u1eb7c g\u1ea7n v\u1edbi nh\u00e1nh<\/td>\n<td>B\u1ee5i d\u00ednh c\u00f3 th\u1ec3 t\u00edch t\u1ee5 ngay c\u1ea3 \u1edf v\u1eadn t\u1ed1c cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>V\u1eadn t\u1ed1c cao h\u01a1n kh\u00f4ng m\u1eb7c nhi\u00ean l\u00e0 t\u1ed1t h\u01a1n. T\u1ed5n th\u1ea5t \u00e1p su\u1ea5t t\u0103ng x\u1ea5p x\u1ec9 theo b\u00ecnh ph\u01b0\u01a1ng v\u1eadn t\u1ed1c, do \u0111\u00f3 v\u1eadn h\u00e0nh \u1edf m\u1ee9c 28 m\/s trong khi 20 m\/s l\u00e0 \u0111\u1ee7 s\u1ebd l\u00e0m ti\u00eau hao n\u0103ng l\u01b0\u1ee3ng qu\u1ea1t m\u1ed7i gi\u1edd h\u1ec7 th\u1ed1ng ch\u1ea1y, t\u0103ng ti\u1ebfng \u1ed3n v\u00e0 l\u00e0m m\u00f2n c\u00e1c co \u1ed1ng nhanh h\u01a1n khi c\u00f3 b\u1ee5i m\u00e0i m\u00f2n. M\u1ee5c ti\u00eau l\u00e0 duy tr\u00ec tr\u00ean m\u1ee9c t\u1ed1i thi\u1ec3u v\u1edbi m\u1ed9t kho\u1ea3ng d\u1ef1 ph\u00f2ng h\u1ee3p l\u00fd, ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1ed1i \u0111a h\u00f3a t\u1ed1c \u0111\u1ed9.<\/p>\n<h2>C\u00e1ch ch\u1ecdn k\u00edch th\u01b0\u1edbc \u1ed1ng h\u00fat b\u1ee5i trong 8 b\u01b0\u1edbc<\/h2>\n<p>V\u00ed d\u1ee5 minh h\u1ecda s\u1eed d\u1ee5ng m\u1ed9t d\u00e2y chuy\u1ec1n ch\u1ebf bi\u1ebfn g\u1ed7 g\u1ed3m b\u1ed1n tr\u1ea1m. M\u00e1y A \u1edf xa b\u1ed9 thu b\u1ee5i nh\u1ea5t, m\u00e1y D \u1edf g\u1ea7n nh\u1ea5t.<\/p>\n<p><strong>B\u01b0\u1edbc 1: Ghi l\u1ea1i l\u01b0u l\u01b0\u1ee3ng kh\u00ed c\u1ea7n thi\u1ebft t\u1ea1i m\u1ed7i \u0111i\u1ec3m h\u00fat<\/strong><\/p>\n<p>L\u1ea5y l\u01b0u l\u01b0\u1ee3ng kh\u00ed y\u00eau c\u1ea7u t\u1eeb d\u1eef li\u1ec7u c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y m\u00f3c ho\u1eb7c t\u1eeb t\u00ednh to\u00e1n ch\u1ee5p h\u00fat. Kh\u00f4ng l\u1ea5y l\u01b0u l\u01b0\u1ee3ng kh\u00ed \u0111\u1ecbnh m\u1ee9c c\u1ee7a b\u1ed9 thu b\u1ee5i chia cho s\u1ed1 l\u01b0\u1ee3ng m\u00e1y.<\/p>\n<table border=\"1\">\n<tbody>\n<tr>\n<td><strong><b>Tr\u1ea1m<\/b><\/strong><\/td>\n<td><strong><b>L\u01b0u l\u01b0\u1ee3ng kh\u00ed y\u00eau c\u1ea7u<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>A (xa nh\u1ea5t)<\/td>\n<td>1.500 m\u00b3\/gi\u1edd<\/td>\n<\/tr>\n<tr>\n<td>B<\/td>\n<td>1.200 m\u00b3\/h<\/td>\n<\/tr>\n<tr>\n<td>C<\/td>\n<td>900 m\u00b3\/gi\u1edd<\/td>\n<\/tr>\n<tr>\n<td>D (g\u1ea7n nh\u1ea5t)<\/td>\n<td>2.000 m\u00b3\/h<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ho\u00e0n t\u1ea5t khi: m\u1ecdi \u0111i\u1ec3m h\u00fat \u0111\u1ec1u c\u00f3 l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c ghi ch\u00e9p v\u00e0 n\u00eau r\u00f5 ngu\u1ed3n.<\/p>\n<p><strong>B\u01b0\u1edbc 2: Ch\u1ecdn v\u1eadn t\u1ed1c thi\u1ebft k\u1ebf cho c\u00e1c nh\u00e1nh v\u00e0 \u1ed1ng ch\u00ednh<\/strong><\/p>\n<p>Theo b\u1ea3ng tr\u00ean, v\u00ed d\u1ee5 v\u1ec1 h\u1ec7 th\u1ed1ng gia c\u00f4ng g\u1ed7 n\u00e0y s\u1eed d\u1ee5ng 20 m\/s trong c\u00e1c nh\u00e1nh v\u00e0 18 m\/s trong \u1ed1ng ch\u00ednh.<\/p>\n<p>Ho\u00e0n t\u1ea5t khi: b\u1ea1n c\u00f3 m\u1ed9t v\u1eadn t\u1ed1c \u1ed1ng nh\u00e1nh v\u00e0 m\u1ed9t v\u1eadn t\u1ed1c \u1ed1ng ch\u00ednh, \u0111\u1ed3ng th\u1eddi \u0111\u00e3 ghi l\u1ea1i l\u00fd do l\u1ef1a ch\u1ecdn.<\/p>\n<p><strong>B\u01b0\u1edbc 3: T\u00ednh \u0111\u01b0\u1eddng k\u00ednh t\u1eebng nh\u00e1nh<\/strong><\/p>\n<p>S\u1eed d\u1ee5ng:<\/p>\n<ul>\n<li>Di\u1ec7n t\u00edch (m\u00b2) = L\u01b0u l\u01b0\u1ee3ng kh\u00ed (m\u00b3\/h) \u00f7 (3.600 \u00d7 v\u1eadn t\u1ed1c t\u00ednh b\u1eb1ng m\/s)<\/li>\n<li>\u0110\u01b0\u1eddng k\u00ednh (mm) = 1.000 \u00d7 \u221a(4 \u00d7 Di\u1ec7n t\u00edch \u00f7 \u03c0)<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi tr\u1ea1m A: 1.500 \u00f7 (3.600 \u00d7 20) = 0,0208 m\u00b2, cho \u0111\u01b0\u1eddng k\u00ednh 163 mm.<\/p>\n<p>Ho\u00e0n t\u1ea5t khi: m\u1ed7i nh\u00e1nh \u0111\u00e3 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n.<\/p>\n<p><strong>B\u01b0\u1edbc 4: L\u00e0m tr\u00f2n xu\u1ed1ng k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n, sau \u0111\u00f3 ki\u1ec3m tra l\u1ea1i v\u1eadn t\u1ed1c<\/strong><\/p>\n<p>N\u1ebfu 163 mm kh\u00f4ng ph\u1ea3i l\u00e0 k\u00edch th\u01b0\u1edbc c\u00f3 s\u1eb5n, h\u00e3y ch\u1ecdn k\u00edch th\u01b0\u1edbc k\u1ebf ti\u1ebfp nh\u1ecf h\u01a1n, kh\u00f4ng ch\u1ecdn l\u1edbn h\u01a1n. \u1ed0ng 160 mm v\u1eadn chuy\u1ec3n 1.500 m\u00b3\/h s\u1ebd c\u00f3 v\u1eadn t\u1ed1c kho\u1ea3ng 20,7 m\/s. N\u1ebfu l\u00e0m tr\u00f2n l\u00ean 180 mm, v\u1eadn t\u1ed1c s\u1ebd gi\u1ea3m xu\u1ed1ng kho\u1ea3ng 16,4 m\/s, th\u1ea5p h\u01a1n m\u1ee9c m\u1ee5c ti\u00eau.<\/p>\n<table border=\"1\">\n<tbody>\n<tr>\n<td><strong><b>Tr\u1ea1m<\/b><\/strong><\/td>\n<td><strong><b>\u0110\u00e3 t\u00ednh to\u00e1n<\/b><\/strong><\/td>\n<td><strong><b>\u0110\u00e3 ch\u1ecdn<\/b><\/strong><\/td>\n<td><strong><b>V\u1eadn t\u1ed1c th\u1ef1c t\u1ebf<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>A<\/td>\n<td>163 mm<\/td>\n<td>160 mm<\/td>\n<td>20.7 m\/s<\/td>\n<\/tr>\n<tr>\n<td>B<\/td>\n<td>146 mm<\/td>\n<td>140 mm<\/td>\n<td>21.7 m\/s<\/td>\n<\/tr>\n<tr>\n<td>C<\/td>\n<td>126 mm<\/td>\n<td>125 mm<\/td>\n<td>20.4 m\/s<\/td>\n<\/tr>\n<tr>\n<td>D<\/td>\n<td>188 mm<\/td>\n<td>180 mm<\/td>\n<td>21.8 m\/s<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ho\u00e0n t\u1ea5t khi: m\u1ecdi k\u00edch th\u01b0\u1edbc \u0111\u00e3 ch\u1ecdn \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c b\u1eb1ng ho\u1eb7c cao h\u01a1n v\u1eadn t\u1ed1c thi\u1ebft k\u1ebf.<\/p>\n<p><strong>B\u01b0\u1edbc 5: T\u00ednh k\u00edch th\u01b0\u1edbc \u1ed1ng ch\u00ednh t\u1eeb tr\u1ea1m xa nh\u1ea5t ra ngo\u00e0i<\/strong><\/p>\n<p>B\u1eaft \u0111\u1ea7u t\u1eeb A v\u00e0 c\u1ed9ng l\u01b0u l\u01b0\u1ee3ng kh\u00ed c\u1ee7a t\u1eebng nh\u00e1nh t\u1ea1i \u0111i\u1ec3m nh\u00e1nh n\u1ed1i v\u00e0o. Ch\u1ec9 m\u1edf r\u1ed9ng \u0111\u01b0\u1eddng \u1ed1ng ch\u00ednh t\u1ea1i c\u00e1c m\u1ed1i n\u1ed1i v\u00e0 kh\u00f4ng bao gi\u1edd thu nh\u1ecf l\u1ea1i theo h\u01b0\u1edbng v\u1ec1 ph\u00eda b\u1ed9 thu b\u1ee5i.<\/p>\n<table border=\"1\">\n<tbody>\n<tr>\n<td><strong><b>\u0110o\u1ea1n ch\u00ednh<\/b><\/strong><\/td>\n<td><strong><b>L\u01b0u l\u01b0\u1ee3ng kh\u00ed t\u00edch l\u0169y<\/b><\/strong><\/td>\n<td><strong><b>\u0110\u01b0\u1eddng k\u00ednh \u0111\u00e3 ch\u1ecdn<\/b><\/strong><\/td>\n<td><strong><b>V\u1eadn t\u1ed1c th\u1ef1c t\u1ebf<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>M\u1ed1i n\u1ed1i A v\u1edbi B<\/td>\n<td>1.500 m\u00b3\/gi\u1edd<\/td>\n<td>160 mm<\/td>\n<td>20.7 m\/s<\/td>\n<\/tr>\n<tr>\n<td>M\u1ed1i n\u1ed1i B v\u1edbi C<\/td>\n<td>2.700 m\u00b3\/h<\/td>\n<td>224 mm<\/td>\n<td>19.0 m\/s<\/td>\n<\/tr>\n<tr>\n<td>M\u1ed1i n\u1ed1i C v\u1edbi D<\/td>\n<td>3.600 m\u00b3\/h<\/td>\n<td>250 mm<\/td>\n<td>20.4 m\/s<\/td>\n<\/tr>\n<tr>\n<td>D \u0111\u1ebfn b\u1ed9 thu b\u1ee5i<\/td>\n<td>5.600 m\u00b3\/h<\/td>\n<td>315 mm<\/td>\n<td>20.0 m\/s<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>N\u1ebfu 224 mm kh\u00f4ng n\u1eb1m trong d\u1ea3i k\u00edch th\u01b0\u1edbc c\u1ee7a nh\u00e0 cung c\u1ea5p, k\u00edch th\u01b0\u1edbc k\u1ebf ti\u1ebfp nh\u1ecf h\u01a1n (200 mm) s\u1ebd \u0111\u1ea1t v\u1eadn t\u1ed1c kho\u1ea3ng 23,9 m\/s. Ph\u01b0\u01a1ng \u00e1n n\u00e0y v\u1eabn ph\u00f9 h\u1ee3p, nh\u01b0ng l\u00e0m t\u0103ng t\u1ed5n th\u1ea5t \u00e1p su\u1ea5t tr\u00ean \u0111o\u1ea1n \u0111\u00f3.<\/p>\n<p>Ho\u00e0n t\u1ea5t khi: \u0111\u01b0\u1eddng \u1ed1ng ch\u00ednh t\u0103ng \u0111\u01b0\u1eddng k\u00ednh t\u1ea1i m\u1ed7i m\u1ed1i n\u1ed1i v\u00e0 m\u1ecdi \u0111o\u1ea1n \u0111\u1ec1u duy tr\u00ec v\u1eadn t\u1ed1c tr\u00ean 18 m\/s.<\/p>\n<p><strong>B\u01b0\u1edbc 6: B\u1ed1 tr\u00ed c\u00e1c ph\u1ee5 ki\u1ec7n<\/strong><\/p>\n<p>Ph\u1ea7n l\u1edbn t\u1ed5n th\u1ea5t \u00e1p su\u1ea5t c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c n\u1eb1m \u1edf c\u00e1c ph\u1ee5 ki\u1ec7n, kh\u00f4ng ph\u1ea3i \u1edf \u0111o\u1ea1n \u1ed1ng th\u1eb3ng.<\/p>\n<ul>\n<li>C\u00fat: s\u1eed d\u1ee5ng c\u00fat b\u00e1n k\u00ednh l\u1edbn. B\u00e1n k\u00ednh \u0111\u01b0\u1eddng t\u00e2m t\u1ed1i thi\u1ec3u b\u1eb1ng 1,5 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh l\u00e0 m\u1ee9c th\u01b0\u1eddng d\u00f9ng, v\u00e0 2 l\u1ea7n s\u1ebd t\u1ed1t h\u01a1n n\u1ebfu kh\u00f4ng gian cho ph\u00e9p.<\/li>\n<li>\u0110i\u1ec3m \u0111\u1ea5u n\u1ed1i nh\u00e1nh: n\u1ed1i c\u00e1c nh\u00e1nh v\u00e0o \u1ed1ng ch\u00ednh b\u1eb1ng nh\u00e1nh xi\u00ean (th\u01b0\u1eddng l\u00e0 30\u00b0 ho\u1eb7c 45\u00b0) thay v\u00ec t\u00ea 90\u00b0, \u0111\u1ec3 lu\u1ed3ng kh\u00ed \u0111i v\u00e0o h\u00f2a nh\u1eadp c\u00f9ng d\u00f2ng ch\u1ea3y thay v\u00ec va xung \u0111\u1ed9t tr\u1ef1c ti\u1ebfp.<\/li>\n<li>Kh\u00f4ng bao gi\u1edd \u0111\u1ec3 hai nh\u00e1nh \u0111\u1ea5u n\u1ed1i t\u1ea1i c\u00f9ng m\u1ed9t \u0111i\u1ec3m \u1edf hai ph\u00eda \u0111\u1ed1i di\u1ec7n c\u1ee7a \u1ed1ng ch\u00ednh.<\/li>\n<li>\u1ed0ng m\u1ec1m: ch\u1ec9 s\u1eed d\u1ee5ng cho \u0111o\u1ea1n k\u1ebft n\u1ed1i ng\u1eafn cu\u1ed1i c\u00f9ng t\u1ea1i m\u00e1y. \u1ed0ng g\u00e2n c\u00f3 l\u1ef1c c\u1ea3n tr\u00ean m\u1ed7i m\u00e9t cao h\u01a1n nhi\u1ec1u so v\u1edbi \u1ed1ng tr\u01a1n.<\/li>\n<li>Van: l\u1eafp m\u1ed9t van ch\u1eb7n b\u1ee5i d\u1ea1ng c\u1ed5ng \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng tay ho\u1eb7c t\u1ef1 \u0111\u1ed9ng tr\u00ean m\u1ed7i nh\u00e1nh, g\u1ea7n \u0111\u01b0\u1eddng \u1ed1ng ch\u00ednh, \u0111\u1ec3 khi \u0111\u00f3ng nh\u00e1nh th\u00ec ch\u1ec9 c\u00f2n m\u1ed9t \u0111o\u1ea1n \u1ed1ng ch\u1ebft ng\u1eafn, h\u1ea1n ch\u1ebf b\u1ee5i l\u1eafng \u0111\u1ecdng.<\/li>\n<li>C\u1eeda v\u1ec7 sinh: b\u1ed5 sung c\u00e1c c\u1ed5ng ki\u1ec3m tra tr\u00ean nh\u1eefng \u0111o\u1ea1n \u1ed1ng ngang d\u00e0i v\u00e0 tr\u01b0\u1edbc c\u00e1c thay \u0111\u1ed5i h\u01b0\u1edbng l\u1edbn.<\/li>\n<\/ul>\n<p>Ho\u00e0n t\u1ea5t khi: b\u1ea3n v\u1ebd b\u1ed1 tr\u00ed th\u1ec3 hi\u1ec7n m\u1ecdi lo\u1ea1i ph\u1ee5 ki\u1ec7n, g\u00f3c c\u1ee7a t\u1eebng ph\u1ee5 ki\u1ec7n v\u00e0 v\u1ecb tr\u00ed c\u1ee7a ch\u00fang.<\/p>\n<p><strong>B\u01b0\u1edbc 7: T\u00ednh t\u1ed5n th\u1ea5t \u00e1p su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 ch\u1ecdn qu\u1ea1t<\/strong><\/p>\n<p>C\u1ed9ng t\u1ed5n th\u1ea5t c\u1ee7a tuy\u1ebfn d\u00e0i nh\u1ea5t ho\u1eb7c c\u00f3 s\u1ee9c c\u1ea3n cao nh\u1ea5t: \u1ed1ng th\u1eb3ng, t\u1eebng ph\u1ee5 ki\u1ec7n \u0111\u01b0\u1ee3c quy \u0111\u1ed5i th\u00e0nh chi\u1ec1u d\u00e0i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ho\u1eb7c h\u1ec7 s\u1ed1 t\u1ed5n th\u1ea5t, c\u1eeda h\u00fat, b\u1ed9 l\u1ecdc \u1edf t\u00ecnh tr\u1ea1ng b\u1ea9n d\u1ef1 ki\u1ebfn, c\u00f9ng m\u1ecdi b\u1ed9 ch\u1ed1ng tia l\u1eeda ho\u1eb7c b\u1ed9 gi\u1ea3m \u00e2m. Ch\u1ecdn qu\u1ea1t t\u1ea1i \u0111i\u1ec3m \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh c\u1ee7a qu\u1ea1t giao v\u1edbi t\u1ed5ng \u00e1p su\u1ea5t \u0111\u00f3 \u1edf l\u01b0u l\u01b0\u1ee3ng kh\u00ed y\u00eau c\u1ea7u.<\/p>\n<p>Ho\u00e0n t\u1ea5t khi: \u0111i\u1ec3m v\u1eadn h\u00e0nh c\u1ee7a qu\u1ea1t \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n t\u1ea1i l\u01b0u l\u01b0\u1ee3ng thi\u1ebft k\u1ebf v\u00e0 m\u1ee9c \u00e1p su\u1ea5t khi b\u1ed9 l\u1ecdc b\u1ea9n, kh\u00f4ng ph\u1ea3i trong \u0111i\u1ec1u ki\u1ec7n b\u1ed9 l\u1ecdc s\u1ea1ch.<\/p>\n<p><strong>B\u01b0\u1edbc 8: \u0110o sau khi \u0111\u01b0a v\u00e0o v\u1eadn h\u00e0nh<\/strong><\/p>\n<p>\u0110o v\u1eadn t\u1ed1c trong t\u1eebng nh\u00e1nh b\u1eb1ng \u1ed1ng pitot ho\u1eb7c m\u00e1y \u0111o v\u1eadn t\u1ed1c ph\u00f9 h\u1ee3p, \u0111\u1ed3ng th\u1eddi ghi l\u1ea1i \u00e1p su\u1ea5t t\u0129nh t\u1ea1i \u0111\u1ea7u v\u00e0o c\u1ee7a b\u1ed9 thu b\u1ee5i. Nh\u1eefng s\u1ed1 li\u1ec7u n\u00e0y l\u00e0 gi\u00e1 tr\u1ecb c\u01a1 s\u1edf c\u1ee7a b\u1ea1n. N\u1ebfu v\u1eadn t\u1ed1c trong nh\u00e1nh gi\u1ea3m d\u1ea7n v\u1ec1 sau, \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u b\u1ed9 l\u1ecdc b\u1ecb t\u00edch b\u1ee5i, m\u1ed1i n\u1ed1i b\u1ecb r\u00f2 r\u1ec9 ho\u1eb7c b\u1ee5i t\u00edch t\u1ee5 trong \u1ed1ng.<\/p>\n<p>Ho\u00e0n th\u00e0nh khi: bi\u00ean b\u1ea3n nghi\u1ec7m thu li\u1ec7t k\u00ea v\u1eadn t\u1ed1c \u0111o \u0111\u01b0\u1ee3c tr\u00ean t\u1eebng nh\u00e1nh v\u00e0 \u00e1p su\u1ea5t t\u0129nh c\u01a1 s\u1edf.<\/p>\n<h2>\u0110i\u1ec1u g\u00ec x\u1ea3y ra khi b\u1ea1n th\u00eam ho\u1eb7c \u0111\u00f3ng c\u00e1c tr\u1ea1m l\u00e0m vi\u1ec7c?<\/h2>\n<p>\u0110\u00e2y ch\u00ednh l\u00e0 \u0111i\u1ec3m m\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng t\u1eebng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong ng\u00e0y nghi\u1ec7m thu b\u1eaft \u0111\u1ea7u g\u1eb7p s\u1ef1 c\u1ed1.<\/p>\n<p>Th\u00eam m\u1ed9t tr\u1ea1m. Gi\u1ea3 s\u1eed tr\u1ea1m E (1.500 m\u00b3\/h) \u0111\u01b0\u1ee3c n\u1ed1i g\u1ea7n b\u1ed9 thu b\u1ee5i hai n\u0103m sau \u0111\u00f3. \u0110o\u1ea1n \u1ed1ng ch\u00ednh cu\u1ed1i c\u00f9ng gi\u1edd ph\u1ea3i t\u1ea3i 7.100 m\u00b3\/h qua c\u00f9ng m\u1ed9t \u1ed1ng 315 mm, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 25,3 m\/s. T\u1ed5n th\u1ea5t \u00e1p su\u1ea5t tr\u00ean \u0111o\u1ea1n n\u00e0y t\u0103ng l\u00ean, v\u00e0 n\u1ebfu qu\u1ea1t kh\u00f4ng c\u00f2n \u0111\u1ee7 c\u00f4ng su\u1ea5t d\u1ef1 ph\u00f2ng, t\u1ed5ng l\u01b0u l\u01b0\u1ee3ng c\u1ee7a h\u1ec7 th\u1ed1ng s\u1ebd th\u1ea5p h\u01a1n nhu c\u1ea7u m\u1edbi. M\u1ee9c thi\u1ebfu h\u1ee5t kh\u00f4ng ph\u00e2n b\u1ed5 \u0111\u1ed3ng \u0111\u1ec1u. C\u00e1c nh\u00e1nh \u1edf xa, c\u00f3 \u0111\u01b0\u1eddng \u0111i d\u00e0i nh\u1ea5t v\u00e0 tr\u1edf l\u1ef1c cao nh\u1ea5t, m\u1ea5t nhi\u1ec1u l\u01b0u l\u01b0\u1ee3ng nh\u1ea5t, v\u00ec v\u1eady tr\u1ea1m A l\u00e0 n\u01a1i \u0111\u1ea7u ti\u00ean gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi v\u1eadn t\u1ed1c v\u1eadn chuy\u1ec3n. Tri\u1ec7u ch\u1ee9ng \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o t\u1eeb khu v\u1ef1c l\u00e0m vi\u1ec7c l\u00e0 \u201cl\u1ef1c h\u00fat y\u1ebfu \u1edf cu\u1ed1i \u0111\u01b0\u1eddng \u1ed1ng\u201d, trong khi b\u1ea3n th\u00e2n b\u1ed9 thu b\u1ee5i v\u1eabn c\u00f3 v\u1ebb ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n<p>C\u00e1c tr\u1ea1m \u0111\u00f3ng c\u1eeda. V\u1edbi qu\u1ea1t t\u1ed1c \u0111\u1ed9 c\u1ed1 \u0111\u1ecbnh v\u00e0 ch\u1ec9 tr\u1ea1m A \u0111ang ho\u1ea1t \u0111\u1ed9ng, \u0111o\u1ea1n \u1ed1ng 315 mm g\u1ea7n b\u1ed9 thu gom t\u1ea3i 1.500 m\u00b3\/gi\u1edd \u1edf v\u1eadn t\u1ed1c kho\u1ea3ng 5 m\/gi\u00e2y. B\u1ee5i t\u1eeb A \u0111i t\u1ed1t qua \u1ed1ng nh\u00e1nh ri\u00eang, sau \u0111\u00f3 l\u1eafng l\u1ea1i trong \u1ed1ng ch\u00ednh qu\u00e1 l\u1edbn.<\/p>\n<p>B\u1ed1n c\u00e1ch \u0111\u1ec3 l\u1eadp k\u1ebf ho\u1ea1ch cho t\u00ecnh hu\u1ed1ng n\u00e0y:<\/p>\n<ul>\n<li>Thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean h\u1ec7 s\u1ed1 \u0111\u1ed3ng th\u1eddi th\u1ef1c t\u1ebf. T\u00ednh to\u00e1n k\u00edch th\u01b0\u1edbc theo c\u00e1c tr\u1ea1m th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u00f9ng l\u00fac, v\u00e0 ghi r\u00f5 gi\u1ea3 \u0111\u1ecbnh \u0111\u00f3 tr\u00ean b\u1ea3n v\u1ebd.<\/li>\n<li>\u0110i\u1ec1u khi\u1ec3n qu\u1ea1t. B\u1ed9 truy\u1ec1n \u0111\u1ed9ng bi\u1ebfn t\u1ea7n \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n theo gi\u00e1 tr\u1ecb \u0111\u1eb7t \u00e1p su\u1ea5t t\u0129nh cho ph\u00e9p qu\u1ea1t \u0111\u00e1p \u1ee9ng khi c\u00e1c c\u1eeda \u0111\u00f3ng m\u1edf. C\u00e1c b\u1ed9 thu nhi\u1ec1u qu\u1ea1t c\u0169ng \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u01b0\u01a1ng t\u1ef1 b\u1eb1ng c\u00e1ch ch\u1ec9 v\u1eadn h\u00e0nh s\u1ed1 qu\u1ea1t c\u1ea7n thi\u1ebft theo nhu c\u1ea7u hi\u1ec7n t\u1ea1i.<\/li>\n<li>B\u1ed5 sung \u0111\u01b0\u1eddng x\u1ea3 kh\u00ed c\u00f3 ki\u1ec3m so\u00e1t. Van n\u1ea1p kh\u00ed g\u1ea7n cu\u1ed1i xa c\u1ee7a \u1ed1ng ch\u00ednh \u0111\u01b0a kh\u00f4ng kh\u00ed m\u00f4i tr\u01b0\u1eddng v\u00e0o \u0111\u1ec3 duy tr\u00ec v\u1eadn t\u1ed1c trong \u1ed1ng ch\u00ednh khi ch\u1ec9 c\u00f3 \u00edt tr\u1ea1m m\u1edf. C\u00e1ch n\u00e0y ti\u00eau t\u1ed1n n\u0103ng l\u01b0\u1ee3ng qu\u1ea1t, v\u00ec v\u1eady ch\u1ec9 n\u00ean d\u00f9ng \u0111\u1ec3 kh\u1eafc ph\u1ee5c m\u1ed9t ch\u1ebf \u0111\u1ed9 nhu c\u1ea7u th\u1ea5p \u0111\u00e3 bi\u1ebft, kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn m\u1eb7c \u0111\u1ecbnh.<\/li>\n<li>T\u00ednh to\u00e1n l\u1ea1i tr\u01b0\u1edbc khi th\u00eam c\u00e1c nh\u00e1nh. B\u1ea5t k\u1ef3 \u0111i\u1ec3m h\u00fat m\u1edbi n\u00e0o c\u0169ng y\u00eau c\u1ea7u th\u1ef1c hi\u1ec7n l\u1ea1i c\u00e1c b\u01b0\u1edbc 3 \u0111\u1ebfn 7 cho tuy\u1ebfn b\u1ecb \u1ea3nh h\u01b0\u1edfng. H\u00e3y l\u00e0m vi\u1ec7c n\u00e0y tr\u01b0\u1edbc khi c\u1eaft l\u1eafp t\u00ea v\u00e0o \u0111o\u1ea1n ch\u00ednh.<\/li>\n<\/ul>\n<h2>Nh\u1eefng sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p khi x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc \u1ed1ng h\u00fat b\u1ee5i<\/h2>\n<ul>\n<li>Kh\u1edbp k\u00edch th\u01b0\u1edbc nh\u00e1nh v\u1edbi h\u1ecdng tho\u00e1t c\u1ee7a m\u00e1y. M\u1ed9t m\u00e1y c\u00f3 h\u1ecdng 200 mm nh\u01b0ng ch\u1ec9 c\u1ea7n 1.500 m\u00b3\/h th\u00ec n\u00ean d\u00f9ng c\u00f4n thu v\u1ec1 nh\u00e1nh 160 mm, thay v\u00ec \u0111i \u1ed1ng 200 mm tr\u00ean to\u00e0n tuy\u1ebfn.<\/li>\n<li>L\u00e0m tr\u00f2n l\u00ean \u201c\u0111\u1ec3 cho an to\u00e0n\u201d. \u1ed0ng l\u1edbn h\u01a1n s\u1ebd l\u00e0m gi\u1ea3m v\u1eadn t\u1ed1c. H\u01b0\u1edbng an to\u00e0n th\u01b0\u1eddng l\u00e0 l\u00e0m tr\u00f2n xu\u1ed1ng.<\/li>\n<li>S\u1eed d\u1ee5ng ph\u1ee5 ki\u1ec7n HVAC. Co th\u00f4ng gi\u00f3 b\u00e1n k\u00ednh ng\u1eafn v\u00e0 ph\u1ee5 ki\u1ec7n th\u00e0nh m\u1ecfng kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 ch\u1ecbu b\u1ee5i m\u00e0i m\u00f2n \u1edf v\u1eadn t\u1ed1c v\u1eadn chuy\u1ec3n.<\/li>\n<li>B\u1ecf qua t\u0129nh \u0111i\u1ec7n. \u1ed0ng nh\u1ef1a v\u00e0 c\u00e1c \u0111o\u1ea1n kim lo\u1ea1i kh\u00f4ng n\u1ed1i \u0111\u1ea5t c\u00f3 th\u1ec3 t\u00edch t\u1ee5 \u0111i\u1ec7n t\u00edch khi d\u1eabn b\u1ee5i kh\u00f4. H\u00e3y s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn \u0111i\u1ec7n, \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t t\u1ea1i nh\u1eefng n\u01a1i c\u00f3 b\u1ee5i d\u1ec5 ch\u00e1y, v\u00e0 tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh v\u1ec1 b\u1ee5i d\u1ec5 ch\u00e1y.<\/li>\n<li>X\u1eed l\u00fd b\u1ee5i d\u00ednh ho\u1eb7c b\u1ee5i d\u1ea1ng s\u1ee3i nh\u01b0 b\u1ed9t kh\u00f4. V\u1eadt li\u1ec7u \u1ea9m, d\u00ednh d\u1ea7u ho\u1eb7c d\u1ea1ng s\u1ee3i c\u00f3 th\u1ec3 t\u00edch t\u1ee5 ngay c\u1ea3 \u1edf v\u1eadn t\u1ed1c cao h\u01a1n v\u1eadn t\u1ed1c v\u1eadn chuy\u1ec3n th\u00f4ng th\u01b0\u1eddng. Nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u1ea7n thi\u1ebft k\u1ebf chuy\u00ean bi\u1ec7t theo \u1ee9ng d\u1ee5ng v\u00e0 ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean h\u01a1n.<\/li>\n<\/ul>\n<h2>C\u00e1c b\u1ed9 ph\u1eadn thu b\u1ee5i c\u1ee7a Senserui<\/h2>\n<p><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/chinasensair.com\/vi\/danh-muc\/he-thong-kiem-soat-bui-chinh\/\">Senserui<\/a><\/span> cung c\u1ea5p c\u00e1c linh ki\u1ec7n d\u00f9ng \u0111\u1ec3 l\u1eafp \u0111\u1eb7t m\u1ea1ng l\u01b0\u1edbi \u1ed1ng nh\u00e1nh v\u00e0 \u1ed1ng ch\u00ednh \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 \u1edf tr\u00ean, bao g\u1ed3m:<\/p>\n<ul>\n<li>\u0110\u1ea7u n\u1ed1i ch\u1eef T \u0111\u1ec3 n\u1ed1i c\u00e1c nh\u00e1nh v\u00e0o \u0111\u01b0\u1eddng \u1ed1ng ch\u00ednh<\/li>\n<li><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/chinasensair.com\/vi\/van-dieu-khien-bang-tay\/\">Van v\u1eadn h\u00e0nh th\u1ee7 c\u00f4ng<\/a><\/span> cho c\u00e1c nh\u00e1nh \u0111\u00f3ng m\u1edf th\u1ee7 c\u00f4ng<\/li>\n<li>Van t\u1ef1 \u0111\u1ed9ng cho c\u00e1c \u1ed1ng nh\u00e1nh t\u1ef1 m\u1edf khi m\u00e1y kh\u1edfi \u0111\u1ed9ng, k\u1ebft h\u1ee3p v\u1edbi \u0111i\u1ec1u khi\u1ec3n thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 ho\u1eb7c \u0111i\u1ec1u khi\u1ec3n nhi\u1ec1u qu\u1ea1t<\/li>\n<li><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/chinasensair.com\/vi\/cua-thoat-khi-no\/\">C\u1eeda x\u1ea3 v\u1ee5 n\u1ed5<\/a><\/span> \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng kh\u1ecfi b\u1ee5i d\u1ec5 ch\u00e1y<\/li>\n<li>L\u00f5i l\u1ecdc v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n \u1ed1ng d\u1eabn li\u00ean quan<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/chinasensair.com\/wp-content\/uploads\/2025\/11\/Manual-Valve-4.webp\" alt=\"Van \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng tay\" width=\"499\" height=\"508\" \/><\/p>\n<p>C\u00e1c th\u00f4ng s\u1ed1 thay \u0111\u1ed5i t\u00f9y theo linh ki\u1ec7n v\u00e0 k\u00edch th\u01b0\u1edbc, v\u00e0 kh\u00f4ng c\u00f3 m\u1ed9t d\u1ea3i th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt duy nh\u1ea5t \u00e1p d\u1ee5ng cho to\u00e0n b\u1ed9 nh\u00f3m s\u1ea3n ph\u1ea9m. \u0110\u01b0\u1eddng k\u00ednh, v\u1eadt li\u1ec7u v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn \u0111i\u1ec1u khi\u1ec3n van c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng. Gi\u00e1 c\u1ee7a h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn v\u00e0 <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/chinasensair.com\/vi\/danh-muc\/cac-thanh-phan\/\">c\u00e1c th\u00e0nh ph\u1ea7n<\/a><\/span> c\u00f3 s\u1eb5n tr\u00ean<span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/chinasensair.com\/vi\/lien-he-voi-chung-toi\/\"> y\u00eau c\u1ea7u<\/a> <\/span>d\u1ef1a tr\u00ean c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng v\u00e0 y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n, v\u00ec \u0111i\u1ec1u n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o chi\u1ec1u d\u00e0i m\u1ea1ng l\u01b0\u1edbi, \u0111\u01b0\u1eddng k\u00ednh, s\u1ed1 l\u01b0\u1ee3ng ph\u1ee5 ki\u1ec7n v\u00e0 thi\u1ebft b\u1ecb an to\u00e0n.<\/p>\n<p>\u0110\u1ed9i ng\u0169 K\u1ef9 thu\u1eadt Senserui h\u1ed7 tr\u1ee3 t\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng kh\u00ed, thi\u1ebft k\u1ebf m\u1ea1ng l\u01b0\u1edbi \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch an to\u00e0n nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a qu\u00e1 tr\u00ecnh \u0111\u00e1nh gi\u00e1 d\u1ef1 \u00e1n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/chinasensair.com\/wp-content\/uploads\/2025\/11\/Explosion-Vent-1.jpg\" alt=\"C\u1eeda tho\u00e1t kh\u00ed n\u1ed5\" width=\"557\" height=\"567\" \/><\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p><strong>Q: \u1ed0ng h\u00fat b\u1ee5i n\u00ean c\u00f3 \u0111\u01b0\u1eddng k\u00ednh bao nhi\u00eau?<\/strong><\/p>\n<p>A: Kh\u00f4ng c\u00f3 m\u1ed9t \u0111\u01b0\u1eddng k\u00ednh \u0111\u00fang duy nh\u1ea5t. \u0110\u01b0\u1eddng k\u00ednh ph\u1ee5 thu\u1ed9c v\u00e0o l\u01b0u l\u01b0\u1ee3ng kh\u00ed t\u1ea1i \u0111i\u1ec3m \u0111\u00f3 trong m\u1ea1ng l\u01b0\u1edbi v\u00e0 v\u1eadn t\u1ed1c v\u1eadn chuy\u1ec3n c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi lo\u1ea1i b\u1ee5i c\u1ee7a b\u1ea1n. T\u00ednh di\u1ec7n t\u00edch b\u1eb1ng c\u00e1ch l\u1ea5y l\u01b0u l\u01b0\u1ee3ng kh\u00ed chia cho v\u1eadn t\u1ed1c, \u0111\u1ed5i sang \u0111\u01b0\u1eddng k\u00ednh, sau \u0111\u00f3 l\u00e0m tr\u00f2n xu\u1ed1ng k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n.<\/p>\n<p><strong>Q: Qu\u1ea1t c\u00f4ng su\u1ea5t l\u1edbn h\u01a1n c\u00f3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c l\u1ef1c h\u00fat y\u1ebfu \u1edf cu\u1ed1i \u0111\u01b0\u1eddng \u1ed1ng kh\u00f4ng?<\/strong><\/p>\n<p>A: \u0110\u00f4i khi c\u00f3, nh\u01b0ng th\u01b0\u1eddng l\u00e0 kh\u00f4ng. N\u1ebfu nguy\u00ean nh\u00e2n l\u00e0 c\u00f4ng su\u1ea5t qu\u1ea1t kh\u00f4ng \u0111\u1ee7 sau khi b\u1ed5 sung c\u00e1c tr\u1ea1m, qu\u1ea1t l\u1edbn h\u01a1n s\u1ebd h\u1eefu \u00edch. N\u1ebfu nguy\u00ean nh\u00e2n l\u00e0 \u1ed1ng ch\u00ednh qu\u00e1 l\u1edbn, r\u00f2 r\u1ec9 ho\u1eb7c b\u1ee5i l\u1eafng \u0111\u1ecdng, t\u0103ng c\u00f4ng su\u1ea5t qu\u1ea1t ch\u1ec9 l\u00e0m t\u0103ng m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng m\u00e0 kh\u00f4ng kh\u00f4i ph\u1ee5c v\u1eadn t\u1ed1c \u1edf n\u01a1i c\u1ea7n thi\u1ebft.<\/p>\n<p><strong>H: \u1ed0ng tr\u00f2n c\u00f3 t\u1ed1t h\u01a1n \u1ed1ng gi\u00f3 ch\u1eef nh\u1eadt \u0111\u1ed1i v\u1edbi vi\u1ec7c h\u00fat b\u1ee5i kh\u00f4ng?<\/strong><\/p>\n<p>A: \u0110\u1ec3 v\u1eadn chuy\u1ec3n b\u1ee5i, \u1ed1ng tr\u00f2n th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean. \u1ed0ng gi\u1eef v\u1eadn t\u1ed1c \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n tr\u00ean to\u00e0n ti\u1ebft di\u1ec7n, kh\u00f4ng c\u00f3 g\u00f3c \u0111\u1ec3 b\u1ee5i t\u00edch t\u1ee5 v\u00e0 d\u1ec5 b\u1ecbt k\u00edn h\u01a1n.<\/p>\n<p><strong>H: Bao l\u00e2u th\u00ec n\u00ean ki\u1ec3m tra \u0111\u01b0\u1eddng \u1ed1ng h\u00fat b\u1ee5i m\u1ed9t l\u1ea7n?<\/strong><\/p>\n<p>A: H\u00e3y d\u1ef1a tr\u00ean lo\u1ea1i b\u1ee5i v\u00e0 c\u00e1c s\u1ed1 \u0111o c\u1ee7a b\u1ea1n. So s\u00e1nh v\u1eadn t\u1ed1c trong nh\u00e1nh v\u00e0 \u00e1p su\u1ea5t t\u0129nh v\u1edbi s\u1ed1 li\u1ec7u c\u01a1 s\u1edf khi \u0111\u01b0a h\u1ec7 th\u1ed1ng v\u00e0o v\u1eadn h\u00e0nh, \u0111\u1ed3ng th\u1eddi ki\u1ec3m tra nh\u1eefng \u0111o\u1ea1n c\u00f3 s\u1ed1 \u0111o thay \u0111\u1ed5i. C\u00e1c c\u01a1 s\u1edf c\u00f3 b\u1ee5i d\u1ec5 ch\u00e1y n\u00ean tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u ki\u1ec3m tra trong ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng cho c\u01a1 s\u1edf \u0111\u00f3, ch\u1eb3ng h\u1ea1n nh\u01b0 NFPA 660.<\/p>\n<p><strong>H\u1ecfi: T\u00f4i c\u00f3 th\u1ec3 l\u1eafp th\u00eam m\u1ed9t m\u00e1y m\u1edbi b\u1eb1ng c\u00e1ch c\u1eaft m\u1ed9t nh\u00e1nh ch\u1eef T v\u00e0o \u1ed1ng ch\u00ednh hi\u1ec7n c\u00f3 kh\u00f4ng?<\/strong><\/p>\n<p>\u0110: Ch\u1ec9 sau khi t\u00ednh to\u00e1n l\u1ea1i. M\u1ed9t nh\u00e1nh m\u1edbi s\u1ebd l\u00e0m thay \u0111\u1ed5i l\u01b0u l\u01b0\u1ee3ng kh\u00ed, \u00e1p su\u1ea5t v\u00e0 v\u1eadn t\u1ed1c trong to\u00e0n m\u1ea1ng l\u01b0\u1edbi, v\u00e0 c\u00e1c tr\u1ea1m \u1edf xa th\u01b0\u1eddng ch\u1ecbu \u1ea3nh h\u01b0\u1edfng \u0111\u1ea7u ti\u00ean.<\/p>","protected":false},"excerpt":{"rendered":"<p>X\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc \u1ed1ng h\u00fat b\u1ee5i d\u1ef1a tr\u00ean l\u01b0u l\u01b0\u1ee3ng kh\u00ed v\u00e0 v\u1eadn t\u1ed1c v\u1eadn chuy\u1ec3n, kh\u00f4ng d\u1ef1a tr\u00ean c\u00f4ng su\u1ea5t qu\u1ea1t. Chia l\u01b0u l\u01b0\u1ee3ng kh\u00ed c\u1ee7a t\u1eebng \u0111i\u1ec3m h\u00fat cho v\u1eadn t\u1ed1c t\u1ed1i thi\u1ec3u gi\u00fap b\u1ee5i duy tr\u00ec tr\u1ea1ng th\u00e1i l\u01a1 l\u1eedng, chuy\u1ec3n \u0111\u1ed5i di\u1ec7n t\u00edch \u0111\u00f3 th\u00e0nh \u0111\u01b0\u1eddng k\u00ednh, r\u1ed3i l\u00e0m tr\u00f2n xu\u1ed1ng m\u1ed9t k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n. X\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc \u1ed1ng ch\u00ednh d\u1ef1a tr\u00ean tr\u1ea1m xa nh\u1ea5t, ch\u1ec9 t\u0103ng k\u00edch th\u01b0\u1edbc t\u1ea1i nh\u1eefng n\u01a1i c\u00e1c nh\u00e1nh nh\u1eadp v\u00e0o.<\/p>","protected":false},"featured_media":863,"comment_status":"closed","ping_status":"closed","template":"","class_list":["post-1535","news","type-news","status-publish","has-post-thumbnail","hentry","news_category-industry-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/chinasensair.com\/vi\/wp-json\/wp\/v2\/news\/1535","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chinasensair.com\/vi\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/chinasensair.com\/vi\/wp-json\/wp\/v2\/types\/news"}],"replies":[{"embeddable":true,"href":"https:\/\/chinasensair.com\/vi\/wp-json\/wp\/v2\/comments?post=1535"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chinasensair.com\/vi\/wp-json\/wp\/v2\/media\/863"}],"wp:attachment":[{"href":"https:\/\/chinasensair.com\/vi\/wp-json\/wp\/v2\/media?parent=1535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}