{"id":2447,"date":"2025-06-19T11:50:54","date_gmt":"2025-06-19T03:50:54","guid":{"rendered":"https:\/\/www.zongdamining.com\/?p=2447"},"modified":"2025-06-17T18:08:48","modified_gmt":"2025-06-17T10:08:48","slug":"how-does-a-tunnel-ventilation-fan-enhance-underground-mining-safety","status":"publish","type":"post","link":"https:\/\/www.zongdamining.com\/vi\/how-does-a-tunnel-ventilation-fan-enhance-underground-mining-safety\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u1ed9t qu\u1ea1t th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m t\u0103ng c\u01b0\u1eddng an to\u00e0n khai th\u00e1c m\u1ecf d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t?"},"content":{"rendered":"<h2>T\u1ea7m quan tr\u1ecdng c\u1ee7a th\u00f4ng gi\u00f3 trong khai th\u00e1c m\u1ecf ng\u1ea7m<\/h2>\n<h3>Th\u00e1ch th\u1ee9c v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed trong c\u00e1c m\u1ecf ng\u1ea7m<\/h3>\n<p><a href=\"https:\/\/www.zongdamining.com\/vi\/\"><u>M\u1ecf ng\u1ea7m<\/u><\/a>\u00a0\u0111\u1ed1i m\u1eb7t v\u1edbi \u0111i\u1ec1u ki\u1ec7n kh\u00f3 kh\u0103n. Ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed b\u1ecb \u1ea3nh h\u01b0\u1edfng r\u1ea5t nhi\u1ec1u. Kh\u00f4ng gian h\u1ea1n ch\u1ebf b\u1eaby kh\u00ed. Methane ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng. Carbon monoxide l\u00e0 m\u1ed9t m\u1ed1i \u0111e d\u1ecda. Nitrogen dioxide c\u0169ng t\u1ed3n t\u1ea1i. B\u1ee5i t\u1eeb khoan \u0111\u01b0\u1eddng h\u1ea7m \u0111\u00e1m m\u00e2y. Phun th\u00eam nhi\u1ec1u h\u1ea1t h\u01a1n. Nh\u1eefng ch\u1ea5t \u00f4 nhi\u1ec5m n\u00e0y g\u00e2y h\u1ea1i cho c\u00e1c th\u1ee3 m\u1ecf. C\u00e1c v\u1ea5n \u0111\u1ec1 h\u00f4 h\u1ea5p ph\u00e1t sinh nhanh ch\u00f3ng. Hi\u1ec7u qu\u1ea3 gi\u1ea3m m\u1ea1nh m\u1ebd. R\u1ee7i ro g\u00e2y t\u1eed vong ng\u00e0y c\u00e0ng t\u0103ng. Truy\u1ec7n th\u00f4ng r\u1ea5t quan tr\u1ecdng. N\u00f3 lo\u1ea1i b\u1ecf c\u00e1c m\u1ed1i nguy hi\u1ec3m. An to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o n\u00f3.<\/p>\n<h3>Vai tr\u00f2 c\u1ee7a h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o an to\u00e0n c\u1ee7a ng\u01b0\u1eddi khai th\u00e1c m\u1ecf<\/h3>\n<p>H\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 r\u1ea5t quan tr\u1ecdng. H\u1ecd cung c\u1ea5p kh\u00f4ng kh\u00ed t\u01b0\u01a1i. Kh\u00f4ng kh\u00ed b\u1ecb \u00f4 nhi\u1ec5m \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf. Kh\u00ed nguy hi\u1ec3m \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. M\u1ee9c b\u1ee5i gi\u1ea3m m\u1ea1nh. Nhi\u1ec7t \u0111\u1ed9 v\u1eabn \u1ed5n \u0111\u1ecbnh. \u0110\u1ed9 \u1ea9m c\u0169ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd. C\u00e1c h\u1ec7 th\u1ed1ng ti\u00ean ti\u1ebfn ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. \u0110i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t kh\u00f4ng ng\u0103n c\u1ea3n ch\u00fang. C\u00e1c th\u1ee3 m\u1ecf th\u1edf an to\u00e0n. Shift ch\u1ea1y tr\u01a1n tru.<\/p>\n<h3>L\u1ee3i \u00edch ch\u00ednh c\u1ee7a th\u00f4ng gi\u00f3 hi\u1ec7u qu\u1ea3 trong ho\u1ea1t \u0111\u1ed9ng khai th\u00e1c m\u1ecf<\/h3>\n<p>Kh\u00ed th\u00f4ng gi\u00f3 t\u1ed1t bi\u1ebfn \u0111\u1ed5i c\u00e1c m\u1ecf.<\/p>\n<ul>\n<li>An to\u00e0n: Kh\u00ed \u0111\u1ed9c h\u1ea1i bi\u1ebfn m\u1ea5t. R\u1ee7i ro n\u1ed5 gi\u1ea3m 80%. Suffocation \u0111\u01b0\u1ee3c ng\u0103n ch\u1eb7n.<\/li>\n<li>S\u1ee9c kh\u1ecfe: Kh\u00f4ng kh\u00ed s\u1ea1ch h\u01a1n b\u1ea3o v\u1ec7 ph\u1ed5i. C\u00e1c v\u1ea5n \u0111\u1ec1 h\u00f4 h\u1ea5p gi\u1ea3m 25%. C\u00f4ng nh\u00e2n v\u1eabn m\u1ea1nh m\u1ebd.<\/li>\n<li>Hi\u1ec7u qu\u1ea3: Kh\u00f4ng kh\u00ed l\u1ea1nh l\u00e0m t\u0103ng s\u1ef1 t\u1eadp trung. N\u0103ng su\u1ea5t t\u0103ng 20%. Th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng gi\u1ea3m.<\/li>\n<li>Tu\u00e2n th\u1ee7: Kh\u00f4ng kh\u00ed \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n. Ph\u1ea1t \u0111\u01b0\u1ee3c tr\u00e1nh. Gi\u1ea5y ph\u00e9p v\u1eabn ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<\/ul>\n<p>Truy\u1ec1n th\u00f4ng ti\u1ebft ki\u1ec7m 100.000 \u0111\u00f4 la m\u1ed7i n\u0103m. Tai n\u1ea1n gi\u1ea3m 30%. Chi ph\u00ed y t\u1ebf gi\u1ea3m 15%. M\u1ecf ch\u1ea1y l\u00e2u h\u01a1n. Quy \u0111\u1ecbnh r\u1ea5t nghi\u00eam ng\u1eb7t. Tu\u00e2n th\u1ee7 \u0111\u1ea3m b\u1ea3o ni\u1ec1m tin. L\u1ee3i \u00edch r\u00f5 r\u00e0ng. H\u1ec7 th\u1ed1ng l\u00e0 c\u1ea7n thi\u1ebft.<\/p>\n<h2>C\u00e1c lo\u1ea1i qu\u1ea1t th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong khai th\u00e1c m\u1ecf<\/h2>\n<h3>Qu\u1ea1t th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m chi\u1ebft xu\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang<\/h3>\n<p>Qu\u1ea1t chi\u1ebft xu\u1ea5t l\u00e0m s\u1ea1ch kh\u00f4ng kh\u00ed b\u1ea9n. H\u1ecd k\u00e9o c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m ra. Kh\u00f4ng kh\u00ed trong l\u00e0nh ch\u1ea3y v\u00e0o, kh\u00ed nh\u01b0 methan bi\u1ebfn m\u1ea5t. B\u1ee5i \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf nhanh ch\u00f3ng. Nh\u1eefng ng\u01b0\u1eddi h\u00e2m m\u1ed9 n\u00e0y r\u1ea5t kh\u00f3 kh\u0103n. M\u1ecf l\u00e0 nh\u1eefng n\u01a1i kh\u1eafc nghi\u1ec7t. M\u1ee9c kh\u00ed cao c\u1ea7n h\u00e0nh \u0111\u1ed9ng. Qu\u1ea1t chi\u1ebft xu\u1ea5t cung c\u1ea5p k\u1ebft qu\u1ea3. Ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u kh\u1ea9n c\u1ea5p.<\/p>\n<p>Ng\u01b0\u1eddi h\u00e2m m\u1ed9 di chuy\u1ec3n 10.000 m\u00e9t kh\u1ed1i m\u1ed7i gi\u1edd. B\u1ee5i gi\u1ea3m 50% trong v\u00e0i ph\u00fat. Kh\u00ed trong 5. M\u1ecf v\u1eabn an to\u00e0n. X\u00e2y d\u1ef1ng m\u1ea1nh m\u1ebd trong 10 n\u0103m qua. Qu\u1ea1t chi\u1ebft xu\u1ea5t l\u00e0 ch\u00eca kh\u00f3a. H\u1ecd nh\u1eafm m\u1ee5c ti\u00eau c\u00e1c khu v\u1ef1c c\u00f3 v\u1ea5n \u0111\u1ec1. Kh\u00f4ng kh\u00ed c\u1ea3i thi\u1ec7n nhanh ch\u00f3ng. C\u00e1c th\u1ee3 m\u1ecf l\u00e0m vi\u1ec7c an to\u00e0n.<\/p>\n<h3>Qu\u1ea1t th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m d\u00f2ng ch\u1ea3y tr\u1ee5c: T\u00ednh n\u0103ng v\u00e0 l\u1ee3i \u00edch<\/h3>\n<p>Qu\u1ea1t d\u00f2ng ch\u1ea3y tr\u1ee5c di chuy\u1ec3n kh\u00f4ng kh\u00ed theo chi\u1ec1u d\u00e0i. Ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi m\u00e1i nh\u00e0 \u0111\u01b0\u1eddng h\u1ea7m. C\u00e1c b\u00ean c\u0169ng l\u00e0m vi\u1ec7c. Giao th\u00f4ng v\u1eabn r\u00f5 r\u00e0ng. Kh\u00f4ng c\u1ea7n th\u00eam c\u00e1c \u1ed1ng d\u1eabn. L\u1eafp \u0111\u1eb7t r\u1ea5t \u0111\u01a1n gi\u1ea3n. B\u1ea3o tr\u00ec nhanh ch\u00f3ng. C\u00e1c lo\u1ea1t qu\u1ea1t SDS t\u1ecfa s\u00e1ng. N\u00f3 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 d\u00f2ng ch\u1ea3y tr\u1ee5c. Mufflers c\u1eaft gi\u1ea3m ti\u1ebfng \u1ed3n. C\u00e1c b\u1ed9 ph\u1eadn bao g\u1ed3m mufflers ti\u1ebfp. \u0110\u1ed9ng c\u01a1 ch\u00ednh th\u00fac \u0111\u1ea9y n\u0103ng l\u01b0\u1ee3ng. B\u1ed9 d\u1eadp \u0111\u1ea7u ra l\u00e0m gi\u1ea3m \u00e2m thanh. \u0110\u1ed9ng c\u01a1 ch\u1ea1y tr\u01a1n tru. L\u01b0\u1edbi im l\u1eb7ng qu\u1ea1t y\u00ean t\u0129nh. L\u1ee3i \u00edch l\u00e0 m\u1ea1nh m\u1ebd.<\/p>\n<ul>\n<li>D\u00f2ng kh\u00f4ng kh\u00ed cao di chuy\u1ec3n 15.000 m\u00e9t kh\u1ed1i.<\/li>\n<li>Ti\u1ebfng \u1ed3n \u1edf d\u01b0\u1edbi 70 decibel.<\/li>\n<li>Ng\u01b0\u1eddi h\u00e2m m\u1ed9 k\u00e9o d\u00e0i 15 n\u0103m trong b\u1ee5i.<\/li>\n<\/ul>\n<p>C\u00e0i \u0111\u1eb7t m\u1ea5t 2 ng\u00e0y. Ti\u1ebfng \u1ed3n gi\u1ea3m 20%. Kh\u00f4ng kh\u00ed tu\u1ea7n ho\u00e0n. Nh\u1eefng ng\u01b0\u1eddi h\u00e2m m\u1ed9 n\u00e0y r\u1ea5t hi\u1ec7u qu\u1ea3. Ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi \u0111\u01b0\u1eddng h\u1ea7m d\u00e0i. C\u00e1c th\u1ee3 m\u1ecf nghe th\u1ea5y \u00edt ti\u1ebfng g\u00e0o.<\/p>\n<h3>So s\u00e1nh gi\u1eefa Qu\u1ea1t chi\u1ebft xu\u1ea5t v\u00e0 Qu\u1ea1t d\u00f2ng ch\u1ea3y tr\u1ee5c<\/h3>\n<p>Qu\u1ea1t chi\u1ebft xu\u1ea5t c\u00e1c \u0111i\u1ec3m m\u1ee5c ti\u00eau. H\u1ecd r\u00fat ra kh\u00f4ng kh\u00ed x\u1ea5u. Qu\u1ea1t d\u00f2ng ch\u1ea3y tr\u1ee5c bao ph\u1ee7 \u0111\u01b0\u1eddng h\u1ea7m. H\u1ecd \u0111\u1ea9y kh\u00f4ng kh\u00ed qua. Khai th\u00e1c ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c khu v\u1ef1c n\u1eb7ng kh\u00ed. D\u00f2ng ch\u1ea3y tr\u1ee5c ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1ea1ng d\u00e0i. S\u1ef1 l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u. Chi\u1ec1u d\u00e0i \u0111\u01b0\u1eddng h\u1ea7m r\u1ea5t quan tr\u1ecdng. M\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn. H\u01b0\u1edbng d\u00f2ng kh\u00ed l\u00e0 ch\u00eca kh\u00f3a.<\/p>\n<h2>L\u00e0m th\u1ebf n\u00e0o <a href=\"https:\/\/www.zongdamining.com\/vi\/products\/\"><u>Qu\u1ea1t th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m<\/u><\/a>\u00a0C\u1ea3i thi\u1ec7n an to\u00e0n trong m\u1ecf ng\u1ea7m<\/h2>\n<h3>Lo\u1ea1i b\u1ecf kh\u00ed \u0111\u1ed9c h\u1ea1i v\u00e0 ch\u1ea5t \u00f4 nhi\u1ec5m<\/h3>\n<p>Qu\u1ea1t lo\u1ea1i b\u1ecf kh\u00ed nguy hi\u1ec3m. Methane c\u00f3 nguy c\u01a1 n\u1ed5. Ch\u1ea5t \u0111\u1ed9c carbon monoxide nhanh ch\u00f3ng. C\u00e1c lo\u1ea1t fan SDS xu\u1ea5t s\u1eafc. L\u01b0\u1ee1i c\u00e1nh qu\u1ea1t c\u1ee7a n\u00f3 \u0111i\u1ec1u ch\u1ec9nh d\u1ec5 d\u00e0ng. H\u1ee3p kim nh\u00f4m silicon ZL104 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. \u0110\u00fac ch\u00ednh x\u00e1c \u0111\u1ea3m b\u1ea3o s\u1ee9c m\u1ea1nh. Kh\u00ed ph\u00e2n t\u00e1n nhanh ch\u00f3ng. Kh\u00f4ng kh\u00ed t\u01b0\u01a1i thay th\u1ebf ch\u00fang. S\u1ef1 x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c ng\u0103n ch\u1eb7n. V\u1ee5 n\u1ed5 gi\u1ea3m 90%.<\/p>\n<p>Qu\u1ea1t l\u00e0m s\u1ea1ch 500 ppm methane trong 10 ph\u00fat. B\u1ee5i gi\u1ea3m 60%. Kh\u00f4ng kh\u00ed l\u00e0m t\u01b0\u01a1i m\u1ed7i gi\u1edd. C\u00e1c th\u1ee3 m\u1ecf tr\u00e1nh r\u1ee7i ro. Ng\u01b0\u1eddi h\u00e2m m\u1ed9 SDS ho\u1ea1t \u0111\u1ed9ng 20 n\u0103m. An to\u00e0n l\u00e0 \u01b0u ti\u00ean. C\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m bi\u1ebfn m\u1ea5t nhanh ch\u00f3ng. C\u00f4ng nh\u00e2n th\u1edf d\u1ec5 d\u00e0ng.<\/p>\n<h3>Ph\u00f2ng ng\u1eeba c\u0103ng th\u1eb3ng nhi\u1ec7t \u1edf ng\u01b0\u1eddi lao \u0111\u1ed9ng<\/h3>\n<p>M\u1ecf n\u00f3ng nhanh. Nhi\u1ec7t \u0111\u1ecba nhi\u1ec7t t\u0103ng l\u00ean. M\u00e1y b\u1ed5 sung s\u1ef1 \u1ea5m \u00e1p. C\u00f4ng nh\u00e2n ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi c\u0103ng th\u1eb3ng. Heatstroke l\u00e0 m\u1ed9t r\u1ee7i ro. Ng\u01b0\u1eddi h\u00e2m m\u1ed9 \u0111\u01b0\u1eddng h\u1ea7m m\u00e1t m\u1ebb. Ch\u00fang l\u01b0u th\u00f4ng kh\u00f4ng kh\u00ed t\u01b0\u01a1i. Nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m 5 \u00b0 C. S\u1ef1 tho\u1ea3i m\u00e1i \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n r\u1ea5t nhi\u1ec1u. M\u1ec7t m\u1ecfi gi\u1ea3m 25%. S\u1ea3n su\u1ea5t t\u0103ng l\u00ean.<\/p>\n<p>Kh\u00f4ng kh\u00ed l\u1ea1nh ti\u1ebft ki\u1ec7m 15% n\u0103ng l\u01b0\u1ee3ng. C\u00f4ng nh\u00e2n t\u1eadp trung l\u00e2u h\u01a1n. C\u0103ng th\u1eb3ng nhi\u1ec7t gi\u1ea3m 30%. Ng\u01b0\u1eddi h\u00e2m m\u1ed9 ch\u1ea1y 12 gi\u1edd m\u1ed7i ng\u00e0y. C\u00e1c th\u1ee3 m\u1ecf ph\u1ea3i c\u1ea3nh gi\u00e1c. L\u00e0m m\u00e1t l\u00e0 c\u1ea7n thi\u1ebft. An to\u00e0n \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng. Ho\u1ea1t \u0111\u1ed9ng ch\u1ea1y tr\u01a1n tru.<\/p>\n<h3>T\u0103ng kh\u1ea3 n\u0103ng nh\u00ecn th\u1ea5y b\u1eb1ng c\u00e1ch gi\u1ea3m m\u1ee9c kh\u00f3i v\u00e0 b\u1ee5i<\/h3>\n<p>\u0110\u01b0\u1eddng h\u1ea7m \u0111\u00e1m m\u00e2y b\u1ee5i. S\u1ef1 n\u1ed5 t\u1ea1o ra kh\u00f3i. T\u1ea7m nh\u00ecn gi\u1ea3m 40%. Tai n\u1ea1n t\u0103ng m\u1ea1nh. Qu\u1ea1t l\u00e0m s\u1ea1ch c\u00e1c h\u1ea1t nhanh ch\u00f3ng. Kh\u00f3i ph\u00e2n t\u00e1n nhanh ch\u00f3ng. C\u00e1c th\u1ee3 m\u1ecf th\u1ea5y r\u00f5 r\u00e0ng. M\u00e1y m\u00f3c ch\u1ea1y an to\u00e0n. Navigation d\u1ec5 d\u00e0ng h\u01a1n. Ho\u1ea1t \u0111\u1ed9ng \u1edf tr\u00ean \u0111\u01b0\u1eddng.<\/p>\n<p>B\u1ee5i gi\u1ea3m 70% trong 5 ph\u00fat. Kh\u00f3i trong 3. T\u1ea7m nh\u00ecn t\u0103ng 80%. Ng\u01b0\u1eddi h\u00e2m m\u1ed9 di chuy\u1ec3n 12.000 m\u00e9t kh\u1ed1i. Tai n\u1ea1n gi\u1ea3m 20%. Kh\u00f4ng kh\u00ed trong l\u00e0nh r\u1ea5t quan tr\u1ecdng. Qu\u1ea1t \u0111\u1ea3m b\u1ea3o an to\u00e0n. C\u00f4ng vi\u1ec7c ti\u1ebfp t\u1ee5c tr\u01a1n tru.<\/p>\n<h2>Y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t khi ch\u1ecdn qu\u1ea1t th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m cho khai th\u00e1c m\u1ecf<\/h2>\n<h3>\u0110\u00e1nh gi\u00e1 c\u00e1c y\u00eau c\u1ea7u th\u00f4ng gi\u00f3 c\u1ee5 th\u1ec3 d\u1ef1a tr\u00ean thi\u1ebft k\u1ebf m\u1ecf<\/h3>\n<p>C\u00e1c m\u1ecf kh\u00e1c nhau r\u1ea5t nhi\u1ec1u. Thi\u1ebft k\u1ebf h\u00ecnh d\u1ea1ng nhu c\u1ea7u. C\u00e1c \u0111\u01b0\u1eddng h\u1ea7m kh\u00e1c nhau v\u1ec1 chi\u1ec1u d\u00e0i. \u0110\u1ed9 s\u00e2u thay \u0111\u1ed5i d\u00f2ng kh\u00f4ng kh\u00ed. Kh\u00ed nh\u01b0 methane t\u00edch l\u0169y. Kh\u1ea3 n\u0103ng th\u00f4ng gi\u00f3 ph\u1ea3i ph\u00f9 h\u1ee3p. Kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed r\u1ea5t quan tr\u1ecdng. C\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m c\u1ea7n pha lo\u00e3ng. Kh\u00f4ng kh\u00ed th\u1edf l\u00e0 \u01b0u ti\u00ean. C\u00e1c chuy\u00ean gia h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn. T\u00ednh to\u00e1n \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/p>\n<p>M\u1ed9t \u0111\u01b0\u1eddng h\u1ea7m d\u00e0i 1 km c\u1ea7n 10.000 m\u00e9t kh\u1ed1i kh\u00f4ng kh\u00ed. Methane \u0111\u00f2i h\u1ecfi d\u00f2ng ch\u1ea3y nhi\u1ec1u h\u01a1n 20%. Qu\u1ea1t x\u1eed l\u00fd 500 t\u1ea5n m\u1ed7i ng\u00e0y. Thi\u1ebft k\u1ebf l\u00e1i xe l\u1ef1a ch\u1ecdn. C\u00e1c chuy\u00ean gia ti\u1ebft ki\u1ec7m 15% chi ph\u00ed. Truy\u1ec1n th\u00f4ng ph\u00f9 h\u1ee3p ho\u00e0n h\u1ea3o. C\u00e1c th\u1ee3 m\u1ecf an to\u00e0n. Airflow \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a.<\/p>\n<h3>\u0110\u00e1nh gi\u00e1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt qu\u1ea1t: \u0110\u01b0\u1eddng k\u00ednh, c\u00f4ng su\u1ea5t v\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1<\/h3>\n<p>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t. \u0110\u01b0\u1eddng k\u00ednh di chuy\u1ec3n kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed. S\u1ee9c m\u1ea1nh ch\u1ed1ng l\u1ea1i s\u1ef1 kh\u00e1ng c\u1ef1. T\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y. Qu\u1ea1t l\u1edbn ph\u00f9 h\u1ee3p v\u1edbi \u0111\u01b0\u1eddng h\u1ea7m l\u1edbn. Ch\u00fang di chuy\u1ec3n 20.000 m\u00e9t kh\u1ed1i. C\u00f4ng su\u1ea5t cao \u0111\u1ea9y xa. T\u1ed1c \u0111\u1ed9 \u0111i\u1ec1u ch\u1ec9nh theo nhu c\u1ea7u. C\u00e1c lo\u1ea1t qu\u1ea1t SDS cung c\u1ea5p. Mufflers gi\u1eef ti\u1ebfng \u1ed3n th\u1ea5p. Hi\u1ec7u su\u1ea5t v\u1eabn cao.<\/p>\n<h3>T\u1ea7m quan tr\u1ecdng c\u1ee7a \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t<\/h3>\n<p>M\u1ecf l\u00e0 nh\u1eefng n\u01a1i kh\u00f3 kh\u0103n. \u0110\u1ed9 \u1ea9m \u0103n m\u00f2n kim lo\u1ea1i. B\u1ee5i m\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn. Nhi\u1ec7t c\u0103ng th\u1eb3ng \u0111\u1ed9ng c\u01a1. Ng\u01b0\u1eddi h\u00e2m m\u1ed9 ph\u1ea3i ch\u1ecbu \u0111\u1ef1ng. H\u1ee3p kim nh\u00f4m silicon ZL104 ch\u1ed1ng r\u1ec9. M\u1ea1ng b\u1ea3o v\u1ec7 ch\u1eb7n m\u1ea3nh v\u1ee1. Qu\u1ea1t SDS v\u1eabn m\u1ea1nh m\u1ebd. H\u1ecd ch\u1ea1y 5000 gi\u1edd m\u1ed7i n\u0103m. Th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng gi\u1ea3m 20%.<\/p>\n<p>Qu\u1ea1t \u0111\u1ed1i m\u1eb7t v\u1edbi \u0111\u1ed9 \u1ea9m 90%. B\u1ee5i m\u00e0i 10% tu\u1ed5i th\u1ecd. L\u01b0\u1ee1i h\u1ee3p kim k\u00e9o d\u00e0i 15 n\u0103m. B\u1ea3o tr\u00ec ti\u1ebft ki\u1ec7m 5000 USD m\u1ed7i n\u0103m. B\u1ec1n v\u1eefng l\u00e0 r\u1ea5t quan tr\u1ecdng. \u0110\u1ed9 tin c\u1eady \u0111\u1ea3m b\u1ea3o an to\u00e0n. Ng\u01b0\u1eddi h\u00e2m m\u1ed9 ch\u1ecbu \u0111\u1ef1ng nh\u1eefng \u0111i\u1ec1u c\u1ef1c \u0111oan. Ho\u1ea1t \u0111\u1ed9ng v\u1eabn \u1ed5n \u0111\u1ecbnh.<\/p>\n<h2>Th\u1ef1c h\u00e0nh b\u1ea3o tr\u00ec cho hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u c\u1ee7a qu\u1ea1t th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m<\/h2>\n<h3>Ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean v\u1ec1 thi\u1ec7t h\u1ea1i ho\u1eb7c m\u00f2n<\/h3>\n<p>Ki\u1ec3m tra b\u1eaft c\u00e1c v\u1ea5n \u0111\u1ec1 s\u1edbm. Ki\u1ec3m tra c\u00e1nh qu\u1ea1t h\u00e0ng th\u00e1ng. Casings c\u1ea7n xem x\u00e9t. C\u00e1c b\u1ed9 ph\u1eadn \u0111i\u1ec7n l\u00e0 ch\u00eca kh\u00f3a. C\u00e1c bu l\u00f4ng l\u1ecfng l\u1ecfng g\u00e2y ra l\u1ed7i. R\u1eafc r\u1ed1i t\u00edn hi\u1ec7u rung. V\u00f2ng bi m\u1eb7c nhanh. Ki\u1ec3m tra h\u00e0ng th\u00e1ng ti\u1ebft ki\u1ec7m 30% s\u1eeda ch\u1eefa. An to\u00e0n v\u1eabn cao. Ng\u01b0\u1eddi h\u00e2m m\u1ed9 ch\u1ea1y tr\u01a1n tru.<\/p>\n<p>Ki\u1ec3m tra 5 ph\u00fat t\u00ecm th\u1ea5y v\u1ebft n\u1ee9t. Vibration t\u0103ng 10% khi b\u1ecb l\u1ed7i. S\u1eeda ch\u1eefa c\u00f3 gi\u00e1 200 USD. L\u1ecbch tr\u00ecnh ng\u0103n ch\u1eb7n s\u1ef1 c\u1ed1. Ki\u1ec3m tra m\u1ea5t 1 gi\u1edd. \u0110\u1ed9 tin c\u1eady \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o. Th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng gi\u1ea3m 25%. B\u1ea3o tr\u00ec l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n<h3>L\u00e0m s\u1ea1ch v\u00e0 b\u00f4i tr\u01a1n c\u00e1c b\u1ed9 ph\u1eadn di chuy\u1ec3n<\/h3>\n<p>B\u1ee5i t\u1eafc ngh\u1ebdn qu\u1ea1t. D\u00f2ng kh\u00f4ng kh\u00ed gi\u1ea3m 15%. M\u1ea3nh v\u1ee1 g\u00e2y nhi\u1ec7t. L\u00e0m s\u1ea1ch ph\u1ee5c h\u1ed3i d\u00f2ng ch\u1ea3y. Lau l\u01b0\u1ee1i m\u1ed7i tu\u1ea7n. L\u00e0m s\u1ea1ch mufflers h\u00e0ng th\u00e1ng. B\u00f4i tr\u01a1n c\u1eaft ma s\u00e1t. V\u00f2ng bi k\u00e9o d\u00e0i 3 n\u0103m. D\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng cao b\u1ea3o v\u1ec7 c\u00e1c b\u1ed9 ph\u1eadn. Hi\u1ec7u su\u1ea5t t\u0103ng 20%.<\/p>\n<p>L\u00e0m s\u1ea1ch m\u1ea5t 30 ph\u00fat. Ch\u1ea5t b\u00f4i tr\u01a1n c\u00f3 gi\u00e1 50 USD m\u1ed7i n\u0103m. Clogs c\u1eaft gi\u1ea3m hi\u1ec7u qu\u1ea3 10%. D\u1ea7u ti\u1ebft ki\u1ec7m 15% m\u00e0i m\u00f2n. Ng\u01b0\u1eddi h\u00e2m m\u1ed9 ch\u1ea1y m\u00e1t h\u01a1n. B\u1ea3o tr\u00ec r\u1ea5t \u0111\u01a1n gi\u1ea3n. K\u1ebft qu\u1ea3 l\u00e0 l\u00e2u d\u00e0i. Kh\u00f4ng kh\u00ed v\u1eabn s\u1ea1ch s\u1ebd.<\/p>\n<h3>Thay th\u1ebf c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady<\/h3>\n<p>C\u00e1c b\u1ed9 ph\u1eadn m\u1eb7c ra. C\u00e1nh qu\u1ea1t \u0103n m\u00f2n ch\u1eadm r\u00e3i. \u0110\u1ed9ng c\u01a1 suy y\u1ebfu h\u00e0ng n\u0103m. Thay th\u1ebf ch\u00fang m\u1ed9t c\u00e1ch ch\u1ee7 \u0111\u1ed9ng. C\u00e1c trung t\u00e2m th\u00e9p \u0111\u00fac ZG230-450 ch\u1ecbu \u0111\u1ef1ng. C\u00e1c b\u1ed9 ph\u1eadn OEM ph\u00f9 h\u1ee3p v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. Thay th\u1ebf ti\u1ebft ki\u1ec7m 40% th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng. Ng\u01b0\u1eddi h\u00e2m m\u1ed9 k\u00e9o d\u00e0i h\u01a1n 10 n\u0103m. An to\u00e0n \u0111\u01b0\u1ee3c duy tr\u00ec.<\/p>\n<p>Blades k\u00e9o d\u00e0i 5 n\u0103m. \u0110\u1ed9ng c\u01a1 b\u1ecb h\u1ecfng t\u1ea1i 8000 gi\u1edd. C\u00e1c b\u1ed9 ph\u1eadn OEM c\u00f3 gi\u00e1 300 \u0111\u00f4 la. Thay th\u1ebf m\u1ea5t 2 gi\u1edd. Th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng chi ph\u00ed $ 1000 m\u1ed7i ng\u00e0y. Swaps ch\u1ee7 \u0111\u1ed9ng ti\u1ebft ki\u1ec7m ti\u1ec1n. Tin c\u1eady l\u00e0 ch\u00eca kh\u00f3a. Ng\u01b0\u1eddi h\u00e2m m\u1ed9 v\u1eabn m\u1ea1nh m\u1ebd.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-2449\" src=\"http:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/06\/tunnel-Ventilation-Fan.webp\" alt=\"qu\u1ea1t th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m\" width=\"750\" height=\"750\" srcset=\"https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/06\/tunnel-Ventilation-Fan.webp 750w, https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/06\/tunnel-Ventilation-Fan-300x300.webp 300w, https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/06\/tunnel-Ventilation-Fan-150x150.webp 150w, https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/06\/tunnel-Ventilation-Fan-700x700.webp 700w, https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/06\/tunnel-Ventilation-Fan-600x600.webp 600w, https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/06\/tunnel-Ventilation-Fan-100x100.webp 100w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQs)<\/h2>\n<h3>Nh\u1eefng y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t khi ch\u1ecdn m\u1ed9t<a href=\"https:\/\/www.zongdamining.com\/vi\/products\/\"><u>\u00a0qu\u1ea1t th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m<\/u><\/a>?<\/h3>\n<p>Nh\u00ecn thi\u1ebft k\u1ebf c\u1ee7a t\u00f4i. Ki\u1ec3m tra th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt qu\u1ea1t nh\u01b0 \u0111\u01b0\u1eddng k\u00ednh. \u0110\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n cho \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p>\n<h3>Qu\u1ea1t th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m n\u00ean \u0111\u01b0\u1ee3c ki\u1ec3m tra bao l\u00e2u?<\/h3>\n<p>Ki\u1ec3m tra h\u00e0ng th\u00e1ng Ki\u1ec3m tra m\u1eb7c. \u0110\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t an to\u00e0n.<\/p>\n<h3>T\u1ea1i sao \u0111\u1ed9 b\u1ec1n quan tr\u1ecdng trong qu\u1ea1t th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m?<\/h3>\n<p>M\u1ecf kh\u1eafc nghi\u1ec7t \u0111\u00f2i h\u1ecfi x\u00e2y d\u1ef1ng kh\u00f3 kh\u0103n. Qu\u1ea1t b\u1ec1n ch\u1ed1ng l\u1ea1i b\u1ee5i v\u00e0 \u0111\u1ed9 \u1ea9m.<\/p>\n<h3>Qu\u1ea1t SDS t\u0103ng c\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng khai th\u00e1c m\u1ecf nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n<p>Ch\u00fang di chuy\u1ec3n kh\u00f4ng kh\u00ed m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Ti\u1ebfng \u1ed3n th\u1ea5p. Hi\u1ec7u su\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n kh\u00f3 kh\u0103n.<\/p>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u khai th\u00e1c m\u1ecf c\u1ee7a b\u1ea1n, li\u00ean h\u1ec7 <a href=\"https:\/\/www.zongdamining.com\/vi\/about-us\/\"><u>QINGDAO ZONGDA MACHINERY CO., LTD. C\u00f4ng ty TNHH<\/u><\/a>\u0110\u01b0\u1ee3c th\u00e0nh l\u1eadp c\u00e1ch \u0111\u00e2y 10 n\u0103m v\u1edbi chuy\u00ean m\u00f4n v\u1ec1 c\u00f4ng ngh\u1ec7 th\u0103m d\u00f2.<\/p>","protected":false},"excerpt":{"rendered":"<p>The Importance of Ventilation in Underground Mining Challenges of Air Quality in Underground Mines Underground mines\u00a0face tough conditions. Air quality suffers greatly. Confined spaces trap gases. Methane builds up fast. Carbon monoxide is a threat. Nitrogen dioxide lingers too. Dust from drilling clouds tunnels. Blasting adds more particles. These pollutants harm miners. Breathing issues arise [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2448,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1,16],"tags":[],"class_list":["post-2447","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-case"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/posts\/2447","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/comments?post=2447"}],"version-history":[{"count":0,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/posts\/2447\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/media\/2448"}],"wp:attachment":[{"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/media?parent=2447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/categories?post=2447"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/tags?post=2447"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}