{"id":2372,"date":"2025-04-24T11:50:20","date_gmt":"2025-04-24T03:50:20","guid":{"rendered":"https:\/\/www.zongdamining.com\/?p=2372"},"modified":"2025-04-24T11:29:20","modified_gmt":"2025-04-24T03:29:20","slug":"what-is-tunnel-ventilation-shaft","status":"publish","type":"post","link":"https:\/\/www.zongdamining.com\/vi\/what-is-tunnel-ventilation-shaft\/","title":{"rendered":"Tr\u1ee5c th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m l\u00e0 g\u00ec?"},"content":{"rendered":"<h2>Hi\u1ec3u c\u00e1c tr\u1ee5c th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m<\/h2>\n<h3>\u0110\u1ecbnh ngh\u0129a v\u00e0 m\u1ee5c \u0111\u00edch c\u1ee7a tr\u1ee5c th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m<\/h3>\n<p><a href=\"https:\/\/www.zongdamining.com\/vi\/\"><u>Tr\u1ee5c th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m<\/u><\/a>\u00a0l\u00e0 ch\u00eca kh\u00f3a trong khai th\u00e1c m\u1ecf ng\u1ea7m. Ch\u00fang l\u00e0 c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1ee9ng ho\u1eb7c nghi\u00eang. Ch\u00fang li\u00ean k\u1ebft b\u1ec1 m\u1eb7t v\u1edbi c\u00e1c \u0111\u01b0\u1eddng h\u1ea7m b\u00ean d\u01b0\u1edbi. C\u00f4ng vi\u1ec7c ch\u00ednh c\u1ee7a h\u1ecd l\u00e0 di chuy\u1ec3n kh\u00f4ng kh\u00ed. H\u1ecd mang v\u00e0o kh\u00f4ng kh\u00ed t\u01b0\u01a1i. H\u1ecd \u0111\u1ea9y ra kh\u00f4ng kh\u00ed x\u1ea5u. \u0110i\u1ec1u n\u00e0y gi\u1eef cho kh\u00f4ng kh\u00ed an to\u00e0n v\u00e0 tho\u00e1t th\u1edf cho c\u00f4ng nh\u00e2n.<\/p>\n<h3>T\u1ea7m quan tr\u1ecdng c\u1ee7a th\u00f4ng gi\u00f3 trong khai th\u00e1c m\u1ecf ng\u1ea7m<\/h3>\n<p><a href=\"https:\/\/www.zongdamining.com\/vi\/product-category\/underground-ventilation-systems\/\"><u>Kh\u1ea3 n\u0103ng th\u00f4ng gi\u00f3<\/u><\/a>\u00a0quan tr\u1ecdng trong m\u1ecf. N\u00f3 lo\u1ea1i b\u1ecf c\u00e1c kh\u00ed nguy hi\u1ec3m. H\u00e3y ngh\u0129 \u0111\u1ebfn methane ho\u1eb7c carbon dioxide. Ch\u00fang c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng trong kh\u00f4ng gian ch\u1eb7t ch\u1ebd. D\u00f2ng kh\u00f4ng kh\u00ed t\u1ed1t c\u0169ng ki\u1ec3m so\u00e1t nhi\u1ec7t v\u00e0 \u0111\u1ed9 \u1ea9m. N\u00f3 l\u00e0m cho c\u00f4ng vi\u1ec7c tho\u1ea3i m\u00e1i h\u01a1n v\u00e0 an to\u00e0n h\u01a1n. C\u00e1c \u0111\u01b0\u1eddng h\u1ea7m th\u01b0\u1eddng \u1edf gi\u1eefa -5 \u00b0 C v\u00e0 40 \u00b0 C. \u0110\u1ed9 \u1ea9m c\u00f3 th\u1ec3 \u0111\u1ea1t 85% \u1edf 25 \u00b0 C. Th\u00eam v\u00e0o \u0111\u00f3, th\u00f4ng gi\u00f3 l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng n\u1ed5. C\u00e1c ch\u1ea5t d\u1ec5 ch\u00e1y nh\u01b0 b\u1ee5i than ho\u1eb7c kh\u00ed c\u00f3 th\u1ec3 g\u00e2y r\u1eafc r\u1ed1i.<\/p>\n<h2>C\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m<\/h2>\n<h3>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a Qu\u1ea1t th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m m\u1ecf ng\u1ea7m<\/h3>\n<p>Ng\u01b0\u1eddi h\u00e2m m\u1ed9 l\u00e1i kh\u00f4ng kh\u00ed qua \u0111\u01b0\u1eddng h\u1ea7m m\u1ecf. Qu\u1ea1t th\u00f4ng gi\u00f3 m\u1ecf ng\u1ea7m K series l\u00e0 m\u1ed9t ng\u00f4i sao. N\u00f3 b\u1eaft \u0111\u1ea7u tr\u1edf l\u1ea1i nh\u1eefng n\u0103m 1980. N\u00f3 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi d\u00f2ng kh\u00ed tuy\u1ec7t v\u1eddi v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. B\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh g\u00f3c l\u01b0\u1ee1i c\u1ee7a n\u00f3. \u0110i\u1ec1u n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3. N\u00f3 c\u0169ng y\u00ean t\u0129nh. \u0110\u1ed9ng c\u01a1 k\u1ebft n\u1ed1i th\u1eb3ng v\u1edbi c\u00e1nh qu\u1ea1t. \u0110i\u1ec1u n\u00e0y t\u0103ng c\u01b0\u1eddng s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 ni\u1ec1m tin.<\/p>\n<p>D\u00f2ng K c\u00f3 c\u00e1c t\u00f9y ch\u1ecdn nh\u01b0 fan \u0111\u1ecba ph\u01b0\u01a1ng JK v\u00e0 DJK. Ngo\u00e0i ra c\u00f2n c\u00f3 nh\u1eefng ng\u01b0\u1eddi h\u00e2m m\u1ed9 ch\u00ednh c\u1ee7a K v\u00e0 nh\u1eefng ng\u01b0\u1eddi gi\u00fap \u0111\u1ee1 c\u1ee7a DK. H\u1ecd l\u00e0m vi\u1ec7c \u1edf nh\u1eefng n\u01a1i nh\u01b0 m\u1ecf kim lo\u1ea1i, m\u1ecf v\u00e0ng, nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t v\u00e0 th\u1eadm ch\u00ed c\u00e1c \u0111\u1ecba \u0111i\u1ec3m h\u1ea1t nh\u00e2n. C\u00e1c m\u00f4 h\u00ecnh m\u1edbi h\u01a1n c\u00f3 v\u00f2ng d\u00f2ng ch\u1ea3y \u1ed5n \u0111\u1ecbnh. N\u00f3 t\u0103ng hi\u1ec7u qu\u1ea3. C\u0169ng kh\u00f4ng c\u00f3 performance dips.<\/p>\n<h3>C\u00e1c lo\u1ea1i qu\u1ea1t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m<\/h3>\n<p>C\u00e1c fan kh\u00e1c nhau ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng vi\u1ec7c kh\u00e1c nhau:<\/p>\n<ul>\n<li>Ng\u01b0\u1eddi h\u00e2m m\u1ed9 ch\u00ednh: C\u00e1c \u0111\u01a1n v\u1ecb l\u1edbn. Ch\u00fang \u0111\u1ea9y r\u1ea5t nhi\u1ec1u kh\u00f4ng kh\u00ed qua c\u00e1c \u0111\u01b0\u1eddng h\u1ea7m ch\u00ednh.<\/li>\n<li>Ng\u01b0\u1eddi h\u00e2m m\u1ed9 tr\u1ee3 gi\u00fap: Nh\u1eefng ng\u01b0\u1eddi nh\u1ecf h\u01a1n. Th\u00eam d\u00f2ng kh\u00f4ng kh\u00ed khi c\u1ea7n thi\u1ebft.<\/li>\n<li>Ng\u01b0\u1eddi h\u00e2m m\u1ed9 \u0111\u1ecba ph\u01b0\u01a1ng: \u0110\u01b0\u1ee3c x\u00e2y d\u1ef1ng cho c\u00e1c khu v\u1ef1c nh\u1ecf. Tuy\u1ec7t v\u1eddi trong c\u00e1c nhi\u1ec7m v\u1ee5 \u0111\u00e0o ho\u1eb7c khai th\u00e1c m\u1ecf.<\/li>\n<\/ul>\n<p>Qu\u1ea1t \u0111\u1ecba ph\u01b0\u01a1ng JK series ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. Ch\u00fang ho\u00e0n h\u1ea3o cho c\u00e1c \u0111\u01b0\u1eddng h\u1ea7m ho\u1eb7c nhu c\u1ea7u kh\u00f4ng kh\u00ed kh\u00e1c.<\/p>\n<h3>V\u1eadt li\u1ec7u v\u00e0 x\u00e2y d\u1ef1ng tr\u1ee5c th\u00f4ng gi\u00f3<\/h3>\n<p>Tr\u1ee5c th\u00f4ng gi\u00f3 r\u1ea5t c\u1ee9ng. Ch\u00fang \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 x\u1eed l\u00fd cu\u1ed9c s\u1ed1ng ng\u1ea7m th\u00f4 l\u1ed7. C\u00e1c v\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn l\u00e0 b\u00ea t\u00f4ng th\u00e9p v\u00e0 l\u00f3t th\u00e9p. Ch\u00fang \u0111\u1ee9ng tr\u01b0\u1edbc \u00e1p l\u1ef1c m\u1eb7t \u0111\u1ea5t. Ch\u00fang c\u0169ng ch\u1ed1ng \u1ea9m v\u00e0 h\u00f3a ch\u1ea5t. Ni\u00eam phong ch\u1eb7t ch\u1ebd ng\u0103n ch\u1eb7n r\u00f2 r\u1ec9 kh\u00f4ng kh\u00ed. \u0110i\u1ec1u n\u00e0y gi\u1eef cho h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh m\u1ebd.<\/p>\n<h2>L\u00e0m th\u1ebf n\u00e0o tr\u1ee5c th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m l\u00e0m vi\u1ec7c<\/h2>\n<h3>C\u01a1 ch\u1ebf \u0111\u1eb1ng sau d\u00f2ng kh\u00ed trong \u0111\u01b0\u1eddng h\u1ea7m<\/h3>\n<p>Tr\u1ee5c th\u00f4ng gi\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed. Ng\u01b0\u1eddi h\u00e2m m\u1ed9 t\u1ea1o ra \u0111\u1ea9y ho\u1eb7c k\u00e9o. M\u1ed9t s\u1ed1 bu\u1ed9c kh\u00f4ng kh\u00ed t\u01b0\u01a1i v\u00e0o, nh\u1eefng ng\u01b0\u1eddi kh\u00e1c h\u00fat kh\u00f4ng kh\u00ed b\u1ea9n. \u0110i\u1ec1u n\u00e0y trao \u0111\u1ed5i kh\u00f4ng kh\u00ed tr\u00ean to\u00e0n b\u1ed9 thi\u1ebft l\u1eadp \u0111\u01b0\u1eddng h\u1ea7m. N\u00f3 gi\u1eef cho m\u1ecdi th\u1ee9 ch\u1ea3y tr\u01a1n tru.<\/p>\n<h3>Vai tr\u00f2 c\u1ee7a qu\u1ea1t tr\u1ee5c trong vi\u1ec7c duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed<\/h3>\n<p>Qu\u1ea1t tr\u1ee5c l\u00e0 v\u00f4 \u0111\u1ecbch d\u00f2ng kh\u00ed. Ch\u00fang di chuy\u1ec3n kh\u00f4ng kh\u00ed th\u1eb3ng qua c\u00e1c tr\u1ee5c. Thi\u1ebft k\u1ebf c\u1ee7a h\u1ecd c\u1eaft k\u00e9o. N\u00f3 t\u0103ng s\u1ea3n l\u01b0\u1ee3ng. \u0110\u1ed9ng c\u01a1 li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1nh qu\u1ea1t. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 \u00edt b\u1ea3o tr\u00ec h\u01a1n. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh l\u01b0\u1ee1i. \u0110i\u1ec1u n\u00e0y \u0111i\u1ec1u ch\u1ec9nh d\u00f2ng kh\u00ed \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng g\u00ec c\u1ea7n thi\u1ebft.<\/p>\n<h3>\u0110i\u1ec1u ch\u1ec9nh c\u00e2n b\u1eb1ng \u0111\u1ed9ng v\u00e0 c\u00e1nh qu\u1ea1t<\/h3>\n<p>S\u1ef1 c\u00e2n b\u1eb1ng c\u1ee7a ng\u01b0\u1eddi h\u00e2m m\u1ed9 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 l\u1edbn. N\u00f3 ng\u0103n ch\u1eb7n run t\u1eeb c\u00e1c ph\u1ea7n kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u nh\u01b0 c\u00e1nh qu\u1ea1t. Ch\u1ea1y tr\u01a1n tru k\u00e9o d\u00e0i l\u00e2u h\u01a1n. N\u00f3 c\u0169ng an to\u00e0n h\u01a1n. Kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb b\u1ecb h\u1ecfng. \u0110i\u1ec1u ch\u1ec9nh c\u00e1nh qu\u1ea1t gi\u00fap kh\u00f4ng kh\u00ed tr\u1ef1c ti\u1ebfp t\u1ed1t h\u01a1n. B\u1ea1n c\u00f3 th\u1ec3 quay s\u1ed1 \u0111\u00fang d\u1ef1a tr\u00ean th\u1eddi \u0111i\u1ec3m.<\/p>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a tr\u1ee5c th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m trong khai th\u00e1c m\u1ecf<\/h2>\n<h3>\u0110\u1ea3m b\u1ea3o an to\u00e0n trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng khai th\u00e1c m\u1ecf ng\u1ea7m<\/h3>\n<p>An to\u00e0n l\u00e0 t\u1ea5t c\u1ea3 trong m\u1ecf. Ng\u01b0\u1eddi lao \u0111\u1ed9ng ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng r\u1ee7i ro nh\u01b0 kh\u00f4ng kh\u00ed x\u1ea5u ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 n\u00f3ng. Kh\u00ed d\u1ec5 ch\u00e1y l\u00e0 m\u1ed9t m\u1ed1i lo ng\u1ea1i kh\u00e1c. Tr\u1ee5c th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m gi\u00fap th\u1eddi gian l\u1edbn. H\u1ecd gi\u1eef kh\u00f4ng kh\u00ed t\u01b0\u01a1i \u0111\u1ebfn. H\u1ecd l\u00e0m s\u1ea1ch kh\u00f4ng kh\u00ed c\u0169. \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n c\u00e1c kh\u00ed \u0111\u1ed9c h\u1ea1i nh\u01b0 methane t\u00edch l\u0169y. C\u00e1c \u0111\u01b0\u1eddng h\u1ea7m \u1edf gi\u1eefa -5 \u00b0 C v\u00e0 40 \u00b0 C. \u0110\u1ed9 \u1ea9m \u0111\u1ea1t t\u1edbi 85% \u1edf 25 \u00b0 C. Truy\u1ec1n th\u00f4ng c\u0169ng gi\u1eef cho nh\u1eefng ng\u01b0\u1eddi ki\u1ec3m so\u00e1t. N\u00f3 l\u00e0m cho c\u00f4ng vi\u1ec7c an to\u00e0n h\u01a1n v\u00e0 \u0111\u1eb9p h\u01a1n.<\/p>\n<p>B\u1ed9 th\u00f4ng gi\u00f3 c\u0169ng b\u1ea3o v\u1ec7 ch\u1ed1ng n\u1ed5. B\u1ee5i than ho\u1eb7c kh\u00ed c\u00f3 th\u1ec3 ch\u00e1y. C\u00e1c quy t\u1eafc n\u00f3i kh\u00f4ng s\u1eed d\u1ee5ng c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y g\u1ea7n c\u00e1c v\u1eadt d\u1ec5 ch\u00e1y. B\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf nh\u1eefng m\u1ed1i nguy hi\u1ec3m \u0111\u00f3, tr\u1ee5c l\u00e0m cho khai th\u00e1c m\u1ecf an to\u00e0n h\u01a1n nhi\u1ec1u.<\/p>\n<h3>Qu\u1ea3n l\u00fd kh\u00ed nguy hi\u1ec3m v\u00e0 c\u00e1c h\u1ea1t b\u1ee5i<\/h3>\n<p>C\u00e1c m\u1ecf \u0111\u00e1 b\u1ee5i v\u00e0 kh\u00ed. Ch\u00fang c\u00f3 th\u1ec3 l\u00e0m t\u1ed5n th\u01b0\u01a1ng ph\u1ed5i c\u1ee7a c\u00f4ng nh\u00e2n n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd. Tr\u1ee5c th\u00f4ng gi\u00f3 s\u1eeda ch\u1eefa \u0111i\u1ec1u n\u00e0y. Ch\u00fang t\u1ea1o ra d\u00f2ng kh\u00f4ng kh\u00ed \u1ed5n \u0111\u1ecbnh. N\u00f3 l\u1ea5y b\u1ee5i v\u00e0 \u0111\u1ed9c t\u1ed1. N\u00f3 k\u00e9o ch\u00fang ra. JK series khai th\u00e1c m\u1ecf ng\u01b0\u1eddi h\u00e2m m\u1ed9 \u0111\u1ecba ph\u01b0\u01a1ng t\u1ecfa s\u00e1ng \u1edf \u0111\u00e2y. Ch\u00fang r\u1ea5t tuy\u1ec7t v\u1eddi cho c\u00e1c khu \u0111\u00e0o ho\u1eb7c c\u00e1c nhi\u1ec7m v\u1ee5 kh\u00f4ng kh\u00ed nh\u1ecf. H\u1ecd \u0111\u00e1p \u1ee9ng c\u00e1c quy t\u1eafc an to\u00e0n. H\u1ecd b\u1ea3o v\u1ec7 m\u1ecdi ng\u01b0\u1eddi kh\u1ecfi h\u01a1i th\u1edf nh\u1eefng th\u1ee9 x\u1ea5u.<\/p>\n<p>H\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i c\u00f3 l\u1ee3i \u00edch tuy\u1ec7t v\u1eddi. L\u01b0\u1ee1i \u0111i\u1ec1u ch\u1ec9nh hi\u1ec7u su\u1ea5t. H\u1ecd c\u0169ng im l\u1eb7ng. Qu\u1ea1t th\u00f4ng gi\u00f3 m\u1ecf ng\u1ea7m K series l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ch\u00ednh. N\u00f3 hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<h3>T\u1ed1i \u01b0u h\u00f3a l\u01b0u th\u00f4ng kh\u00f4ng kh\u00ed cho hi\u1ec7u qu\u1ea3 lao \u0111\u1ed9ng<\/h3>\n<p>Kh\u00f4ng kh\u00ed t\u1ed1t kh\u00f4ng ch\u1ec9 an to\u00e0n N\u00f3 gi\u1eef cho c\u00f4ng nh\u00e2n s\u1eafc n\u00e9t. Kh\u00ed th\u00f4ng gi\u00f3 x\u1ea5u l\u00e0m cho m\u1ecdi ng\u01b0\u1eddi m\u1ec7t m\u1ecfi. N\u00f3 l\u00e0m s\u01b0\u01a1ng m\u00f9 s\u1ef1 t\u1eadp trung c\u1ee7a h\u1ecd. C\u0103ng th\u1eb3ng nhi\u1ec7t c\u0169ng t\u0103ng l\u00ean. Tr\u1ee5c th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y. Ch\u00fang b\u01a1m trong kh\u00f4ng kh\u00ed gi\u00e0u oxy. Ch\u00fang lo\u1ea1i b\u1ecf nhi\u1ec7t t\u1eeb m\u00e1y m\u00f3c v\u00e0 c\u01a1 th\u1ec3.<\/p>\n<p>Ng\u01b0\u1eddi h\u00e2m m\u1ed9 \u0111i\u1ec1u ch\u1ec9nh tr\u00ean chuy\u1ebfn bay. Dynamic Balancing gi\u1eef cho ch\u00fang tr\u01a1n tru. Impeller tweaks h\u01b0\u1edbng d\u1eabn kh\u00f4ng kh\u00ed n\u01a1i c\u1ea7n thi\u1ebft. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t vibe c\u00f4ng vi\u1ec7c tuy\u1ec7t v\u1eddi. Kh\u00f4ng quan tr\u1ecdng m\u1ecf l\u1edbn hay kh\u00f3 kh\u0103n nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n<h2>Ch\u1ecdn tr\u1ee5c th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n<\/h2>\n<h3>Y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t: T\u1ed1c \u0111\u1ed9, v\u1eadt li\u1ec7u v\u00e0 lo\u1ea1i l\u1eafp \u0111\u1eb7t<\/h3>\n<p>Ch\u1ecdn tr\u1ee5c \u0111\u00fang c\u1ea7n suy ngh\u0129. \u0110\u00e2y l\u00e0 nh\u1eefng g\u00ec c\u1ea7n c\u00e2n:<\/p>\n<ul>\n<li><strong>T\u1ed1c \u0111\u1ed9<\/strong>Kh\u00f4ng kh\u00ed di chuy\u1ec3n nhanh nh\u01b0 th\u1ebf n\u00e0o quan tr\u1ecdng. Qu\u1ea1t t\u1ed1c \u0111\u1ed9 cao l\u00e0m vi\u1ec7c cho c\u00e1c c\u00f4ng vi\u1ec7c l\u1edbn c\u1ea7n nhi\u1ec1u d\u00f2ng ch\u1ea3y.<\/li>\n<\/ul>\n<ul>\n<li><strong>V\u1eadt li\u1ec7u<\/strong>Shafts c\u1ea7n v\u1eadt li\u1ec7u kh\u00f3 kh\u0103n. B\u00ea t\u00f4ng gia c\u1ed1 ho\u1eb7c l\u00f3t th\u00e9p x\u1eed l\u00fd \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t. Con d\u1ea5u ng\u0103n ch\u1eb7n r\u00f2 r\u1ec9.<\/li>\n<\/ul>\n<ul>\n<li><strong>Lo\u1ea1i l\u1eafp \u0111\u1eb7t<\/strong>Thi\u1ebft l\u1eadp ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi trang web. Qu\u1ea1t d\u00f2ng K li\u00ean k\u1ebft \u0111\u1ed9ng c\u01a1 tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1nh qu\u1ea1t. N\u00f3 \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 c\u00e0i \u0111\u1eb7t.<\/li>\n<\/ul>\n<p>C\u0169ng ngh\u0129 v\u1ec1 m\u00f4i tr\u01b0\u1eddng. Chi\u1ec1u cao thay \u0111\u1ed5i m\u1ecdi th\u1ee9. Nhi\u1ec7t \u0111\u1ed9 dao \u0111\u1ed9ng t\u1eeb -5 \u00b0 C \u0111\u1ebfn 40 \u00b0 C. \u0110\u1ed9 \u1ea9m c\u00f3 th\u1ec3 \u0111\u1ea1t 85%. k\u1ebf ho\u1ea1ch cho nh\u1eefng ng\u01b0\u1eddi \u0111\u00f3.<\/p>\n<h3>T\u1ea7m quan tr\u1ecdng c\u1ee7a ki\u1ec3m tra \u0111\u1ed9ng v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng<\/h3>\n<p>Ki\u1ec3m tra tr\u1ee5c l\u00e0 m\u1ed9t \u0111i\u1ec1u c\u1ea7n thi\u1ebft. C\u00e1c th\u1eed nghi\u1ec7m \u0111\u1ed9ng ki\u1ec3m tra c\u00e1c b\u1ed9 ph\u1eadn nh\u01b0 c\u00e1nh qu\u1ea1t trong h\u00e0nh \u0111\u1ed9ng. H\u1ecd ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 c\u00e2n b\u1eb1ng ho\u1eb7c \u0111i\u1ec3m y\u1ebfu. C\u00e2n b\u1eb1ng c\u1eaft l\u1eafc. N\u00f3 l\u00e0m cho thi\u1ebft b\u1ecb k\u00e9o d\u00e0i l\u00e2u h\u01a1n. N\u00f3 gi\u1eef cho m\u1ecdi th\u1ee9 an to\u00e0n.<\/p>\n<p>Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng kh\u00f3a trong ti\u00eau chu\u1ea9n cao. Ch\u00fang bao g\u1ed3m s\u1ee9c m\u1ea1nh, s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng v\u00e0 an to\u00e0n. B\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean gi\u00fap m\u1ecdi th\u1ee9 ch\u1ea1y \u0111\u00fang theo th\u1eddi gian.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-2374\" src=\"http:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/04\/tunnel-ventilation-shaft.webp\" alt=\"tr\u1ee5c th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m\" width=\"2476\" height=\"2476\" srcset=\"https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/04\/tunnel-ventilation-shaft.webp 2476w, https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/04\/tunnel-ventilation-shaft-300x300.webp 300w, https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/04\/tunnel-ventilation-shaft-1024x1024.webp 1024w, https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/04\/tunnel-ventilation-shaft-150x150.webp 150w, https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/04\/tunnel-ventilation-shaft-768x768.webp 768w, https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/04\/tunnel-ventilation-shaft-1536x1536.webp 1536w, https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/04\/tunnel-ventilation-shaft-2048x2048.webp 2048w, https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/04\/tunnel-ventilation-shaft-700x700.webp 700w, https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/04\/tunnel-ventilation-shaft-600x600.webp 600w, https:\/\/www.zongdamining.com\/wp-content\/uploads\/2025\/04\/tunnel-ventilation-shaft-100x100.webp 100w\" sizes=\"(max-width: 2476px) 100vw, 2476px\" \/><\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQs)<\/h2>\n<h3>Underground l\u00e0 g\u00ec <a href=\"https:\/\/www.zongdamining.com\/vi\/product-category\/underground-ventilation-systems\/\"><u>h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m khai th\u00e1c m\u1ecf<\/u><\/a>?<\/h3>\n<p>\u0110\u00f3 l\u00e0 m\u1ed9t thi\u1ebft l\u1eadp \u0111\u1ec3 di chuy\u1ec3n kh\u00f4ng kh\u00ed trong \u0111\u01b0\u1eddng h\u1ea7m. N\u00f3 mang \u0111\u1ebfn kh\u00f4ng kh\u00ed t\u01b0\u01a1i. N\u00f3 lo\u1ea1i b\u1ecf c\u00e1c kh\u00ed x\u1ea5u.<\/p>\n<h3>T\u1ea1i sao qu\u1ea1t d\u00f2ng K \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng khai th\u00e1c m\u1ecf?<\/h3>\n<p>H\u1ecd si\u00eau hi\u1ec7u qu\u1ea3. H\u1ecd ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. H\u1ecd y\u00ean t\u0129nh v\u1edbi l\u01b0\u1ee1i \u0111i\u1ec1u ch\u1ec9nh. Ch\u00fang \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 k\u00e9o d\u00e0i.<\/p>\n<h3>Tr\u1ee5c th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m c\u1ea3i thi\u1ec7n an to\u00e0n lao \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n<p>Ch\u00fang \u0111\u1ea9y ra c\u00e1c kh\u00ed nh\u01b0 methan. H\u1ecd gi\u1eef kh\u00f4ng kh\u00ed th\u1edf v\u00e0 an to\u00e0n.<\/p>\n<h3>Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o n\u00ean \u0111\u01b0\u1ee3c xem x\u00e9t khi ch\u1ecdn m\u1ed9t tr\u1ee5c th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m?<\/h3>\n<p>Nh\u00ecn v\u00e0o t\u1ed1c \u0111\u1ed9 v\u00e0 v\u1eadt li\u1ec7u nh\u01b0 b\u00ea t\u00f4ng ho\u1eb7c th\u00e9p. Ki\u1ec3m tra phong c\u00e1ch l\u1eafp \u0111\u1eb7t. H\u00e3y ngh\u0129 v\u1ec1 nhi\u1ec7t \u0111\u1ed9 (-5 \u00b0 C \u0111\u1ebfn 40 \u00b0 C), \u0111\u1ed9 \u1ea9m (l\u00ean \u0111\u1ebfn 85%), v\u00e0 \u0111\u1ed9 cao.<\/p>\n<p>\u0110\u1ec3 t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c t\u00f9y ch\u1ecdn t\u00f9y ch\u1ec9nh t\u1eeb <a href=\"https:\/\/www.zongdamining.com\/vi\/about-us\/\"><u>C\u00f4ng ty TNHH M\u00e1y m\u00f3c Trung \u0110\u00e0o ZONGDA<\/u><\/a>H\u00e3y \u0111\u1ebfn ngay h\u00f4m nay!<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Understanding Tunnel Ventilation Shafts Definition and Purpose of Tunnel Ventilation Shafts Tunnel ventilation shafts\u00a0are key in underground mining. They\u2019re upright or slanted passages. They link the surface to tunnels below. Their main job is moving air. They bring in fresh air. They push out bad air. This keeps the air safe and breathable for workers. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2373,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1,16],"tags":[],"class_list":["post-2372","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\/2372","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=2372"}],"version-history":[{"count":0,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/posts\/2372\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/media\/2373"}],"wp:attachment":[{"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/media?parent=2372"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/categories?post=2372"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/tags?post=2372"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}