{"id":2456,"date":"2025-06-26T11:50:49","date_gmt":"2025-06-26T03:50:49","guid":{"rendered":"https:\/\/www.zongdamining.com\/?p=2456"},"modified":"2025-06-26T15:53:37","modified_gmt":"2025-06-26T07:53:37","slug":"how-underground-mining-loaders-enhance-ventilation-efficiency","status":"publish","type":"post","link":"https:\/\/www.zongdamining.com\/vi\/how-underground-mining-loaders-enhance-ventilation-efficiency\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o m\u00e1y t\u1ea3i m\u1ecf ng\u1ea7m t\u0103ng hi\u1ec7u qu\u1ea3 th\u00f4ng gi\u00f3"},"content":{"rendered":"

\"1<\/h1>\n

T\u1ea1i sao th\u00f4ng gi\u00f3 l\u00e0 MVP th\u1ef1c s\u1ef1 trong khai th\u00e1c m\u1ecf ng\u1ea7m<\/h2>\n

L\u1eddi b\u00e0i h\u00e1t: It's A Freakin' Nightmare Down There<\/h3>\n

Th\u00f4ng gi\u00f3 trong c\u00e1c m\u1ecf ng\u1ea7m l\u00e0 th\u1eb3ng l\u00ean cu\u1ed9c s\u1ed1ng ho\u1eb7c c\u00e1i ch\u1ebft. B\u1ea1n b\u1ecb m\u1eafc k\u1eb9t trong c\u00e1c \u0111\u01b0\u1eddng h\u1ea7m ch\u1eb7t ch\u1ebd n\u01a1i kh\u00f4ng kh\u00ed h\u1ea7u nh\u01b0 kh\u00f4ng di chuy\u1ec3n. M\u1ed9t c\u00e1i g\u00ec \u0111\u00f3 gi\u1ed1ng nh\u01b0 methane v\u00e0 carbon monoxide \u0111\u1ed1ng l\u00ean, s\u1eb5n s\u00e0ng \u0111\u1ec3 ng\u01b0ng b\u1ea1n ho\u1eb7c th\u1ed5i n\u01a1i b\u1ea7u tr\u1eddi cao. Th\u00eam v\u00e0o nhi\u1ec7t t\u1eeb m\u00e1y m\u00f3c v\u00e0 ch\u00ednh \u0111\u1ea5t, v\u00e0 \u0111\u00f3 l\u00e0 m\u1ed9t m\u1ed3 h\u00f4i, l\u1ed9n x\u1ed9n th\u1edf. C\u00f3 \u0111\u01b0\u1ee3c kh\u00f4ng kh\u00ed ch\u1ea3y \u0111\u00fang kh\u00f4ng ch\u1ec9 l\u00e0 t\u1ed1t \u0111\u1eb9p - n\u00f3 kh\u00f4ng th\u1ec3 \u0111\u00e0m ph\u00e1n \u0111\u01b0\u1ee3c.<\/p>\n

C\u00e1c m\u1ecf \u0111ang \u0111\u00e0o s\u00e2u h\u01a1n b\u00e2y gi\u1edd 'b\u1edfi v\u00ec v\u1eadt ch\u1ea5t b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c khai th\u00e1c ra. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng h\u01a1n, \u00e1p l\u1ef1c h\u01a1n v\u00e0 \u0111i\u1ec1u ki\u1ec7n \u0111i\u00ean r\u1ed3 h\u01a1n. B\u1ea1n c\u1ea7n c\u00e1c th\u1ee7 thu\u1eadt th\u00f4ng gi\u00f3 c\u1ea5p \u0111\u1ed9 ti\u1ebfp theo \u0111\u1ec3 gi\u1eef cho c\u00f4ng nh\u00e2n th\u1edf v\u00e0 kh\u00f4ng n\u01b0\u1edbng s\u1ed1ng.<\/p>\n

Gi\u1eef c\u00e1c th\u1ee3 m\u1ecf s\u1ed1ng v\u00e0 \u0111\u00e1<\/h3>\n

Th\u00f4ng gi\u00f3 t\u1ed1t gi\u1ed1ng nh\u01b0 m\u1ed9t thi\u00ean th\u1ea7n gi\u00e1m h\u1ed9 cho c\u00e1c th\u1ee3 m\u1ecf. N\u00f3 h\u00fat ra c\u00e1c kh\u00ed kh\u00f3 ch\u1ecbu, c\u1eaft gi\u1ea3m b\u1ee5i v\u00e0 gi\u1eef m\u1ee9c oxy h\u1ee3p ph\u00e1p. \u0110i\u1ec1u \u0111\u00f3 l\u00e0m gi\u1ea3m t\u1ef7 l\u1ec7 m\u1eafc c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ed5i, v\u1ee5 n\u1ed5 ho\u1eb7c c\u00e1c v\u1ee5 t\u1ea5n c\u00f4ng kh\u00e1c v\u00e0o qu\u1ea1t. Kh\u00f4ng ai ho l\u00ean m\u1ed9t c\u01a1n b\u00e3o ho\u1eb7c ng\u1ea5t \u0111i t\u1eeb kh\u00f4ng kh\u00ed x\u1ea5u.<\/p>\n

H\u01a1n n\u1eefa, n\u00f3 l\u00e0m cho c\u00f4ng vi\u1ec7c \u00edt \u0111\u1ecba ng\u1ee5c h\u01a1n. H\u00e3y th\u1eed l\u1eafc m\u1ed9t c\u00e2y tr\u1ed9m khi n\u00f3 l\u00e0 90 \u0111\u1ed9 v\u00e0 kh\u00f4ng kh\u00ed d\u00e0y nh\u01b0 s\u00fap. B\u1ea1n s\u1ebd b\u1ecb x\u00f3a trong m\u01b0\u1eddi ph\u00fat. D\u00f2ng kh\u00f4ng kh\u00ed r\u1eafn gi\u1eef cho m\u1ecdi th\u1ee9 m\u00e1t m\u1ebb h\u01a1n v\u00e0 tho\u1ea3i m\u00e1i h\u01a1n, v\u00ec v\u1eady c\u00e1c th\u1ee3 m\u1ecf c\u00f3 th\u1ec3 nghi\u1ec1n l\u00e2u h\u01a1n v\u00e0 c\u1ee9ng h\u01a1n m\u00e0 kh\u00f4ng c\u1ea7n quay l\u1ea1i.<\/p>\n

L\u00e0m th\u1ebf n\u00e0o M\u00e1y t\u1ea3i m\u1ecf ng\u1ea7m<\/u><\/a>\u00a0Tr\u1ee3 gi\u00fap Airflow<\/h2>\n

Loaders kh\u00f4ng ch\u1ec9 d\u00e0nh cho v\u1eadn chuy\u1ec3n<\/h3>\n

M\u00e1y t\u1ea3i m\u1ecf ng\u1ea7m<\/b><\/u><\/strong><\/a>\u00a0nh\u01b0 ZDL410 v\u00e0 ZDL614 l\u00e0 nh\u1eefng anh h\u00f9ng th\u00f4ng gi\u00f3 kh\u00f3a th\u1ea5p. Ch\u1eafc ch\u1eafn, h\u1ecd l\u1ea5y qu\u1eb7ng v\u00e0 v\u1ed9i v\u00e3 n\u00f3 ra, nh\u01b0ng h\u1ecd c\u0169ng gi\u1eef kh\u00f4ng kh\u00ed di chuy\u1ec3n. C\u1ea5u tr\u00fac ch\u1eb7t ch\u1ebd, nh\u1ecf g\u1ecdn c\u1ee7a h\u1ecd cho ph\u00e9p h\u1ecd tr\u01b0\u1ee3t qua \u0111\u01b0\u1eddng h\u1ea7m h\u1eb9p m\u00e0 kh\u00f4ng t\u1eafc ngh\u1ebdn gi\u00f3. ZDL410 h\u1ee3p t\u00e1c v\u1edbi xe t\u1ea3i khai th\u00e1c m\u1ecf \u0111\u1ec3 khai th\u00e1c qu\u1eb7ng m\u00e0 kh\u00f4ng l\u00e0m t\u0103ng d\u00f2ng kh\u00ed. Thi\u1ebft k\u1ebf kh\u00f4ng theo d\u00f5i c\u1ee7a ZDL614 s\u1ebd ch\u1eb7n kh\u00f4ng kh\u00ed, gi\u1eef m\u1ecdi th\u1ee9 m\u01b0\u1ee3t m\u00e0.<\/p>\n

 <\/p>\n

Thi\u1ebft k\u1ebf th\u00f4ng minh kh\u00f4ng l\u00e0m v\u00edt kh\u00f4ng kh\u00ed<\/h3>\n

Thi\u1ebft k\u1ebf m\u00e1y t\u1ea3i l\u00e0 ly h\u1ee3p \u0111\u1ec3 gi\u1eef cho kh\u00f4ng kh\u00ed ch\u1ea3y. H\u00e3y l\u1ea5y ZDL203 - n\u00f3 c\u00f3 l\u00e1i th\u1ee7y l\u1ef1c v\u00e0 b\u00e1n k\u00ednh xoay ch\u1eb7t ch\u1ebd, v\u00ec v\u1eady n\u00f3 nh\u1ea3y m\u00faa qua c\u00e1c \u0111\u01b0\u1eddng h\u1ea7m ch\u1eb7t ch\u1ebd nh\u01b0 kh\u00f4ng ai l\u00e0m vi\u1ec7c. Kh\u00f4ng \u0111\u00e2m v\u00e0o t\u01b0\u1eddng ho\u1eb7c ng\u1eadp ngh\u1eb9t c\u00e1c l\u1ed7 th\u00f4ng gi\u00f3. G\u00f3c l\u00e1i l\u1edbn c\u1ee7a n\u00f3 c\u00f3 ngh\u0129a l\u00e0 n\u00f3 c\u00f3 th\u1ec3 \u0111\u00e1nh v\u00f2ng quanh c\u00e1c g\u00f3c m\u00e0 kh\u00f4ng g\u00e2y r\u1ed1i lo\u1ea1n v\u1edbi kh\u00ed quy\u1ec3n.<\/p>\n

M\u00e1y t\u1ea3i hi\u1ec7n \u0111\u1ea1i c\u0169ng c\u1eaft gi\u1ea3m kh\u00f3i diesel. \u0110\u1ed9ng c\u01a1 s\u1ea1ch h\u01a1n c\u00f3 ngh\u0129a l\u00e0 \u00edt h\u01a1n cho h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 \u0111\u1ec3 x\u1eed l\u00fd. \u0110\u00f3 l\u00e0 \u00edt c\u0103ng th\u1eb3ng h\u01a1n tr\u00ean qu\u1ea1t v\u00e0 kh\u00f4ng kh\u00ed t\u01b0\u01a1i h\u01a1n cho t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi \u1edf d\u01b0\u1edbi \u0111\u00f3.<\/p>\n

C\u00e1c t\u00ednh n\u0103ng dope c\u1ee7a m\u00e1y t\u1ea3i l\u00e0m t\u0103ng th\u00f4ng gi\u00f3<\/h2>\n

Nh\u1ecf nh\u01b0ng ng\u1eafn ng\u1ee7i nh\u01b0 \u0111\u1ecba ng\u1ee5c<\/h3>\n

M\u00e1y t\u1ea3i nh\u01b0 ZDL203 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng nh\u1ecf \u0111\u1ec3 s\u1edf h\u1eefu kh\u00f4ng gian ch\u1eb7t ch\u1ebd. H\u1ecd k\u00e9o qua c\u00e1c \u0111\u01b0\u1eddng h\u1eb9p m\u00e0 kh\u00f4ng ch\u1eb7n c\u00e1c l\u1ed7 th\u00f4ng gi\u00f3 ho\u1eb7c khu\u1ea5y t\u00fai kh\u00f4ng kh\u00ed. \u0110i\u1ec1u \u0111\u00f3 gi\u1eef cho gi\u00f3 ch\u1ea3y \u1ed5n \u0111\u1ecbnh. G\u00f3c l\u00e1i hoang d\u00e3 c\u1ee7a ZDL203 cho ph\u00e9p n\u00f3 k\u00e9o c\u00e1c stunt trong \u0111\u01b0\u1eddng h\u1ea7m nh\u1ecf \u0111\u1ebfn m\u1ee9c b\u1ea1n h\u1ea7u nh\u01b0 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi m\u1ed9t chi\u1ebfc xe \u0111\u1ea1p. Kh\u00f4ng c\u00f3 d\u00f2ng kh\u00f4ng kh\u00ed b\u1ecb v\u00edt, v\u00e0 m\u1ecf v\u1eabn th\u1edf.<\/p>\n

S\u1ea1ch h\u01a1n Rides, \u00edt m\u00f9i<\/h3>\n

M\u00e1y t\u1ea3i tr\u01b0\u1eddng m\u1edbi r\u1ea5t ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, h\u00fat nhi\u00ean li\u1ec7u v\u00e0 b\u00fat ra \u00edt kh\u00f3i h\u01a1n. C\u00f4ng ngh\u1ec7 diesel ti\u00ean ti\u1ebfn trong c\u00e1c m\u00f4 h\u00ecnh nh\u01b0 ZDL410 gi\u1eef cho kh\u00ed th\u1ea3i th\u1ea5p, v\u00ec v\u1eady kh\u00f4ng kh\u00ed kh\u00f4ng b\u1ecb ng\u1eadp ngh\u1eb9t. Kh\u00f4ng kh\u00ed s\u1ea1ch h\u01a1n c\u00f3 ngh\u0129a l\u00e0 h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0m vi\u1ec7c th\u00eam gi\u1edd. Th\u00eam v\u00e0o \u0111\u00f3, \u00edt nhi\u00ean li\u1ec7u \u0111\u1ed1t ch\u00e1y ti\u1ebft ki\u1ec7m ti\u1ec1n m\u1eb7t \u0111i\u00ean r\u1ed3 cho c\u00e1c s\u1ebfp m\u1ecf.<\/p>\n

C\u00f4ng ngh\u1ec7 That's Straight-Up Fire<\/h3>\n

M\u00e1y t\u1ea3i \u0111ang \u0111\u00f3ng g\u00f3i c\u00f4ng ngh\u1ec7 c\u1ea5p \u0111\u1ed9 ti\u1ebfp theo \u0111\u1ec3 gi\u1eef ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed ch\u1eb7t ch\u1ebd. C\u00e1c m\u00e0n h\u00ecnh th\u1eddi gian th\u1ef1c tr\u00ean c\u00e1c m\u00f4 h\u00ecnh nh\u01b0 ZDL614 theo d\u00f5i kh\u00ed th\u1ea3i v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9ng c\u01a1 \u0111\u1ec3 gi\u1eef s\u1ea1ch s\u1ebd. M\u1ed9t s\u1ed1, nh\u01b0 m\u00e1y t\u1ea3i \u0111\u00e1 kh\u00ed n\u00e9n ZQ-26, s\u1eed d\u1ee5ng ma thu\u1eadt b\u1eb1ng kh\u00f4ng kh\u00ed \u0111\u1ec3 di chuy\u1ec3n m\u00e0 kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m. \u0110\u00f3 l\u00e0 c\u00f4ng vi\u1ec7c \u00edt h\u01a1n cho c\u00e1c l\u1ed7 th\u00f4ng gi\u00f3 v\u00e0 tinh th\u1ea7n an to\u00e0n h\u01a1n cho c\u00e1c th\u1ee3 m\u1ecf.<\/p>\n

\"M\u00e1y<\/p>\n

L\u00e0m th\u1ebf n\u00e0o M\u00e1y t\u1ea3i<\/u><\/a>\u00a0L\u00e0m cho cu\u1ed9c s\u1ed1ng khai th\u00e1c m\u1ecf t\u1ed1t h\u01a1n<\/h2>\n

L\u00f2ng kh\u00f4ng kh\u00ed b\u01a1m l\u00ean s\u1ef1 h\u1ed7n lo\u1ea1n<\/h3>\n

M\u00e1y t\u1ea3i nh\u01b0 ZDL203 l\u00e0 tr\u00ecnh h\u01b0\u1edbng d\u1eabn d\u00f2ng kh\u00ed. K\u00edch th\u01b0\u1edbc nh\u1ecf v\u00e0 chuy\u1ec3n \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 c\u1ee7a ch\u00fang gi\u1eef cho \u0111\u01b0\u1eddng h\u1ea7m r\u00f5 r\u00e0ng, v\u00ec v\u1eady kh\u00f4ng kh\u00ed ch\u1ea3y t\u1ef1 do. Kh\u00f4ng c\u00f3 v\u00f9ng ch\u1ebft m\u00e0 nhi\u1ec7t ho\u1eb7c kh\u00ed \u0111\u1ed1ng l\u00ean. H\u1ecd th\u1eadm ch\u00ed c\u00f3 th\u1ec3 ch\u01a1i wingman \u0111\u1ec3 tho\u00e1t ra qu\u1ea1t, \u0111\u1ea9y kh\u00f4ng kh\u00ed t\u01b0\u01a1i \u1edf n\u01a1i c\u1ea7n thi\u1ebft nh\u1ea5t. \u0110i\u1ec1u \u0111\u00f3 gi\u1eef cho c\u00e1c th\u1ee3 m\u1ecf m\u00e1t m\u1ebb, oxy cao v\u00e0 n\u0103ng su\u1ea5t s\u00e1ng.<\/p>\n

Ti\u1ebft ki\u1ec7m b\u1ed9t trong khi gi\u1eef n\u00f3 t\u01b0\u01a1i<\/h3>\n

S\u1eed d\u1ee5ng m\u00e1y t\u1ea3i m\u1ed9t c\u00e1ch th\u00f4ng minh c\u1eaft gi\u1ea3m chi ph\u00ed th\u00f4ng gi\u00f3 th\u1eddi gian l\u1edbn. B\u1ea1n kh\u00f4ng c\u1ea7n nhi\u1ec1u d\u1eb7m \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c qu\u1ea1t b\u1ed5 sung khi m\u1ed9t ZDL410 k\u00e9o d\u00e2y qua, gi\u1eef c\u00e1c con \u0111\u01b0\u1eddng kh\u00f4ng kh\u00ed m\u1edf. Nh\u1eefng m\u00e1y gi\u00e0n n\u00e0y \u0111\u1ed1t \u00edt nhi\u00ean li\u1ec7u h\u01a1n v\u00e0 c\u1ea7n \u00edt b\u1ea3o tr\u00ec h\u01a1n, v\u00ec v\u1eady b\u1ea1n kh\u00f4ng ch\u1ea3y m\u00e1u ti\u1ec1n m\u1eb7t. \u0110\u00f3 l\u00e0 m\u1ed9t c\u00e1ch r\u1ebb \u0111\u1ec3 gi\u1eef kh\u00f4ng kh\u00ed s\u1ea1ch s\u1ebd v\u00e0 c\u00e1c th\u1ee3 m\u1ecf h\u1ea1nh ph\u00fac.<\/p>\n

C\u00f4ng ngh\u1ec7 t\u1ea3i tr\u01b0\u1eddng m\u1edbi cho th\u00f4ng gi\u00f3<\/h2>\n

M\u00e1y t\u1ea3i \u0111i\u1ec7n l\u00e0 thay \u0111\u1ed5i tr\u00f2 ch\u01a1i<\/h3>\n

M\u00e1y t\u1ea3i \u0111i\u1ec7n \u0111ang l\u1eadt k\u1ecbch b\u1ea3n. Kh\u00f4ng c\u00f3 d\u1ea7u diesel c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng c\u00f3 kh\u00f3i - kh\u00f4ng c\u00f3 carbon monoxide ho\u1eb7c v\u1eadt \u0111\u1ed9c h\u1ea1i kh\u00e1c t\u1eafc ngh\u1ebdn kh\u00f4ng kh\u00ed. Nh\u1eefng con th\u00fa ch\u1ea1y b\u1eb1ng pin n\u00e0y, gi\u1ed1ng nh\u01b0 c\u00e1c phi\u00ean b\u1ea3n ZDL203, gi\u1eef cho c\u00e1c m\u1ecf s\u1ea1ch h\u01a1n v\u00e0 l\u00e0m gi\u1ea3m t\u1ea3i tr\u1ecdng tr\u00ean qu\u1ea1t th\u00f4ng gi\u00f3. H\u1ecd c\u0169ng im l\u1eb7ng, v\u00ec v\u1eady c\u00e1c th\u1ee3 m\u1ecf kh\u00f4ng la h\u00e9t v\u00ec ti\u1ebfng g\u1ea7m \u0111\u1ed9ng c\u01a1.<\/p>\n

H\u1ec7 th\u1ed1ng th\u00f4ng minh t\u1ef1 ch\u1ea1y<\/h3>\n

T\u1ef1 \u0111\u1ed9ng h\u00f3a l\u00e0m cho m\u00e1y t\u1ea3i th\u00f4ng gi\u00f3 th\u1ea7n. C\u1ea3m bi\u1ebfn tr\u00ean ZDL614 ng\u1eedi ra kh\u00f4ng kh\u00ed ho\u1eb7c kh\u00ed x\u1ea5u v\u00e0 ping phi h\u00e0nh \u0111o\u00e0n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh qu\u1ea1t. M\u1ed9t s\u1ed1 gi\u00e0n m\u00e1y cu\u1ed9n t\u1ef1 \u0111\u1ed9ng, \u0111\u1ed3ng b\u1ed9 h\u00f3a v\u1edbi h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 \u0111\u1ec3 \u0111\u1ea9y kh\u00f4ng kh\u00ed ch\u00ednh x\u00e1c n\u01a1i c\u1ea7n thi\u1ebft. \u0110i\u1ec1u \u0111\u00f3 an to\u00e0n h\u01a1n, nhanh h\u01a1n v\u00e0 gi\u1eef m\u1ee9c oxy \u1edf \u0111i\u1ec3m m\u00e0 kh\u00f4ng c\u1ea7n gi\u1eef tr\u1ebb em.<\/p>\n

C\u00f4ng ty TNHH M\u00e1y m\u00f3c Trung \u0110\u00e0o ZONGDA\u2019<\/b><\/strong>s c\u00f3 s\u1eeda ch\u1eefa t\u00f9y ch\u1ec9nh cho c\u00e1c m\u1ecf t\u00ecm c\u00e1ch n\u00e2ng c\u1ea5p tr\u00f2 ch\u01a1i th\u00f4ng gi\u00f3 c\u1ee7a h\u1ecd v\u1edbi m\u00e1y t\u1ea3i badass.<\/p>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n
    \n
  1. M\u00e1y t\u1ea3i gi\u00fap th\u00f4ng gi\u00f3 m\u1ecf nh\u01b0 th\u1ebf n\u00e0o?<\/strong>
    \nH\u1ecd gi\u1eef kh\u00f4ng kh\u00ed di chuy\u1ec3n v\u1edbi thi\u1ebft k\u1ebf ch\u1eb7t ch\u1ebd v\u00e0 di chuy\u1ec3n m\u01b0\u1ee3t m\u00e0 kh\u00f4ng ch\u1eb7n c\u00e1c l\u1ed7 th\u00f4ng gi\u00f3.<\/li>\n
  2. T\u1ea1i sao m\u00e1y t\u1ea3i \u0111i\u1ec7n dope cho kh\u00f4ng kh\u00ed?<\/strong>
    \nKh\u00f4ng kh\u00f3i, \u00edt ti\u1ebfng \u1ed3n, v\u00e0 ch\u00fang l\u00e0m gi\u1ea3m t\u1ea3i tr\u1ecdng tr\u00ean h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3.<\/li>\n
  3. T\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f3 th\u1ec3 l\u00e0m cho l\u1ed7 th\u00f4ng gi\u00f3 t\u1ed1t h\u01a1n kh\u00f4ng?<\/strong>
    \nC\u1ea3m bi\u1ebfn v\u00e0 m\u00e1y t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh d\u00f2ng kh\u00ed trong th\u1eddi gian th\u1ef1c \u0111\u1ec3 an to\u00e0n t\u1ed1i \u0111a.<\/li>\n
  4. M\u00e1y t\u1ea3i c\u00f3 ti\u1ebft ki\u1ec7m ti\u1ec1n m\u1eb7t tr\u00ean th\u00f4ng gi\u00f3 kh\u00f4ng?<\/strong>
    \nTh\u1eddi gian l\u1edbn. \u00cdt nhi\u00ean li\u1ec7u, \u00edt kh\u00f3i, v\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft l\u1eadp th\u00f4ng gi\u00f3 \u0111i\u00ean r\u1ed3.<\/li>\n<\/ol>\n

    \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi QINGDAO ZONGDA MACHINERY CO., LTD. C\u00f4ng ty TNHH<\/b><\/u><\/strong>.<\/u><\/a>Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i h\u00f4m nay! \u0110\u01b0\u1ee3c th\u00e0nh l\u1eadp c\u00e1ch \u0111\u00e2y h\u01a1n m\u1ed9t th\u1eadp k\u1ef7 v\u1edbi chuy\u00ean m\u00f4n trong l\u0129nh v\u1ef1c th\u0103m d\u00f2 v\u00e0 khai th\u00e1c m\u1ecf tr\u00ean to\u00e0n c\u1ea7u ph\u00e1t tri\u1ec3n c\u00f9ng v\u1edbi s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n

     <\/p>","protected":false},"excerpt":{"rendered":"

    Why Ventilation\u2019s the Real MVP in Underground Mining It\u2019s a Freakin\u2019 Nightmare Down There Ventilation in underground mines is straight-up life or death. You\u2019re stuck in tight-ass tunnels where air barely moves. Something\u00a0like methane and carbon monoxide piles up, ready to choke you out or blow the place sky-high. Add in the heat from machines […]<\/p>\n","protected":false},"author":1,"featured_media":2457,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1,16],"tags":[],"class_list":["post-2456","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\/2456","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=2456"}],"version-history":[{"count":0,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/posts\/2456\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/media\/2457"}],"wp:attachment":[{"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/media?parent=2456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/categories?post=2456"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/tags?post=2456"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}