{"id":1412,"date":"2022-12-12T14:04:19","date_gmt":"2022-12-12T06:04:19","guid":{"rendered":"http:\/\/www.zongdamining.com\/?post_type=product&p=1412"},"modified":"2022-12-12T15:10:35","modified_gmt":"2022-12-12T07:10:35","slug":"explosion-proof-mining-ventilation-fan","status":"publish","type":"product","link":"https:\/\/www.zongdamining.com\/vi\/product\/explosion-proof-mining-ventilation-fan\/","title":{"rendered":"Qu\u1ea1t th\u00f4ng gi\u00f3 khai th\u00e1c m\u1ecf ch\u1ed1ng n\u1ed5"},"content":{"rendered":"

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Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ea3n ph\u1ea9m<\/strong><\/p>\n

Qu\u1ea1t th\u00f4ng gi\u00f3 ch\u1ed1ng n\u1ed5 lo\u1ea1t FBD (sau n\u00e0y g\u1ecdi l\u00e0 qu\u1ea1t) c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u1ea5u tr\u00fac h\u1ee3p l\u00fd, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ho\u00e0n ch\u1ec9nh, hi\u1ec7u qu\u1ea3 cao, hi\u1ec7u \u1ee9ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng r\u00f5 r\u00e0ng, ti\u1ebfng \u1ed3n th\u1ea5p, kho\u1ea3ng c\u00e1ch cung c\u1ea5p kh\u00f4ng kh\u00ed d\u00e0i, v.v.<\/p>\n

Theo c\u00e1c y\u00eau c\u1ea7u kh\u00e1c nhau v\u1ec1 kh\u00e1ng th\u00f4ng gi\u00f3, to\u00e0n b\u1ed9 m\u00e1y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ho\u1eb7c s\u1eed d\u1ee5ng \u1edf c\u00e1c c\u1ea5p \u0111\u1ed9 kh\u00e1c nhau, \u0111\u1ec3 gi\u1ea3m th\u1eddi gian th\u00f4ng gi\u00f3 v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. Chi\u1ec1u d\u00e0i c\u1ee7a \u0111\u01b0\u1eddng h\u1ea7m nh\u1ecf h\u01a1n 2000m, v\u00ec v\u1eady n\u00f3 kh\u00f4ng th\u1ec3 di chuy\u1ec3n m\u00e1y th\u00f4ng gi\u00f3 \u0111\u1ec3 cung c\u1ea5p kh\u00f4ng kh\u00ed b\u00ecnh th\u01b0\u1eddng, l\u00e0m gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9 lao \u0111\u1ed9ng c\u1ee7a c\u00f4ng nh\u00e2n v\u00e0 ti\u1ebft ki\u1ec7m th\u1eddi gian th\u00f4ng gi\u00f3. \u0110\u00e2y l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb l\u00fd t\u01b0\u1edfng cho th\u00f4ng gi\u00f3 \u0111\u1ecba ph\u01b0\u01a1ng trong m\u1ecf than. \u0110\u1ed3ng th\u1eddi, n\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong luy\u1ec7n kim lo\u1ea1i, kim lo\u1ea1i phi s\u1eaft, v\u00e0ng, c\u00f4ng nghi\u1ec7p h\u00f3a h\u1ecdc, \u0111\u00f3ng t\u00e0u, g\u1ed1m s\u1ee9 v\u00e0 c\u00e1c d\u1ecbp th\u00f4ng gi\u00f3 \u00e1p su\u1ea5t cao kh\u00e1c.<\/p>\n

C\u1ea5u tr\u00fac c\u1ee7a m\u00e1y th\u00f4ng gi\u00f3 \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi qu\u1ea1t th\u00f4ng gi\u00f3 ch\u1ed1ng n\u1ed5, xoay ng\u01b0\u1ee3c, im l\u1eb7ng v\u00e0 d\u00f2ng ch\u1ea3y tr\u1ee5c. N\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ecf than v\u1edbi nguy c\u01a1 n\u1ed5 kh\u00ed methane, v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho th\u00f4ng gi\u00f3 kho\u1ea3ng c\u00e1ch trung b\u00ecnh v\u00e0 d\u00e0i c\u1ee7a m\u1eb7t khai th\u00e1c than. \u0110\u1ed3ng th\u1eddi, n\u00f3 c\u0169ng ph\u00f9 h\u1ee3p cho th\u00f4ng gi\u00f3 \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m \u1edf c\u00e1c m\u1ecf kh\u00e1c.<\/p>\n

M\u1ee5c \u0111\u00edch ch\u00ednh v\u00e0 ph\u1ea1m vi \u1ee9ng d\u1ee5ng<\/strong><\/p>\n

\u0110i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c b\u00ecnh th\u01b0\u1eddng c\u1ee7a qu\u1ea1t l\u00e0:<\/p>\n

1) N\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ecf than v\u1edbi nguy c\u01a1 n\u1ed5 kh\u00ed methane. N\u00f3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong \u0111\u01b0\u1eddng h\u1ea7m \u0111\u1ea7u v\u00e0o kh\u00f4ng kh\u00ed v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi \u1ed1ng kh\u00f4ng kh\u00ed \u00e1p su\u1ea5t t\u00edch c\u1ef1c \u0111\u1ec3 th\u00f4ng gi\u00f3 \u00e9p bu\u1ed9c;<\/p>\n

2) Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh – 20 \u2103 ~ 40 \u2103;<\/p>\n

3) \u0110\u1ed9 cao d\u01b0\u1edbi 1000m;<\/p>\n

4) \u0110\u1ed9 \u1ea9m kh\u00f4ng qu\u00e1 95% (\u1edf 25 \u2103).<\/p>\n

\"\"<\/p>\n

Ti\u00eau chu\u1ea9n cho ng\u01b0\u1eddi h\u00e2m m\u1ed9<\/strong><\/p>\n

Qu\u1ea1t ph\u1ea3i tu\u00e2n th\u1ee7 MT222< < \u0110i\u1ec1u ki\u1ec7n k\u1ef9 thu\u1eadt c\u1ee7a m\u1ed9t ph\u1ea7n qu\u1ea1t cho m\u1ecf than> > v\u00e0 Q \/ ZFJ002< < FBD lo\u1ea1t khai th\u00e1c m\u1ecf ch\u1ed1ng n\u1ed5 qu\u1ea1t th\u00f4ng gi\u00f3 b\u00e1o ch\u00ed trong qu\u1ea1t quay d\u00f2ng ch\u1ea3y tr\u1ee5c m\u1ed9t ph\u1ea7n ><\/p>\n

Nguy\u00ean t\u1eafc l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y th\u00f4ng gi\u00f3<\/strong><\/p>\n

M\u1ed7i giai \u0111o\u1ea1n c\u1ee7a qu\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi m\u1ed9t \u0111\u1ed9ng c\u01a1 qu\u1ea1t th\u00f4ng gi\u00f3 ch\u1ed1ng n\u1ed5 v\u1edbi c\u00f9ng c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c. Qu\u1ea1t \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u1ef1c ti\u1ebfp tr\u00ean ph\u1ea7n m\u1edf r\u1ed9ng tr\u1ee5c c\u1ee7a \u0111\u1ed9ng c\u01a1, v\u00e0 h\u01b0\u1edbng quay c\u1ee7a qu\u1ea1t gi\u1eefa c\u00e1c giai \u0111o\u1ea1n li\u1ec1n k\u1ec1 l\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Sau khi v\u00e0o c\u00e1nh qu\u1ea1t giai \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c n\u0103ng l\u01b0\u1ee3ng, kh\u00ed \u0111\u01b0\u1ee3c t\u0103ng t\u1ed1c b\u1edfi c\u00e1nh qu\u1ea1t giai \u0111o\u1ea1n th\u1ee9 hai v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c th\u1ea3i ra b\u1edfi c\u00e1nh qu\u1ea1t giai \u0111o\u1ea1n th\u1ee9 ba ho\u1eb7c c\u00e1nh qu\u1ea1t giai \u0111o\u1ea1n th\u1ee9 t\u01b0. C\u00e1nh c\u00e1nh qu\u1ea1t giai \u0111o\u1ea1n sau c\u00f3 ch\u1ee9c n\u0103ng c\u1ee7a l\u01b0\u1ee1i dao t\u0129nh trong qu\u1ea1t d\u00f2ng ch\u1ea3y tr\u1ee5c th\u00f4ng th\u01b0\u1eddng. N\u00f3 kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c th\u00e0nh ph\u1ea7n t\u1ed1c \u0111\u1ed9 theo h\u01b0\u1edbng tr\u00f2n th\u1eb3ng, m\u00e0 c\u00f2n t\u0103ng n\u0103ng l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y kh\u00f4ng kh\u00ed, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed v\u00e0 hi\u1ec7u qu\u1ea3 cao h\u01a1n so v\u1edbi qu\u1ea1t d\u00f2ng ch\u1ea3y tr\u1ee5c th\u00f4ng th\u01b0\u1eddng.<\/p>\n

Qu\u1ea1t th\u00f4ng gi\u00f3 ch\u1ed1ng n\u1ed5 khai th\u00e1c m\u1ecf trong qu\u1ea1t ch\u1ea3y tr\u1ee5c quay ng\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1edfi c\u00f4ng ty ch\u00fang t\u00f4i \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 b\u1eb1ng s\u00e1ng ch\u1ebf m\u1edbi ph\u00e1t tri\u1ec3n < < K\u1ebft h\u1ee3p c\u00e1nh qu\u1ea1t c\u1ee7a qu\u1ea1t d\u00f2ng ch\u1ea3y tr\u1ee5c quay > > v\u00e0 c\u0169ng \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 b\u1eb1ng s\u00e1ng ch\u1ebf trong n\u01b0\u1edbc \u0111\u1ea7u ti\u00ean < < Thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i t\u1ef1 \u0111\u1ed9ng> ><\/p>\n

S\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf < < Thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i t\u1ef1 \u0111\u1ed9ng> > \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i \u0111\u1ea7u ra kh\u00f4ng kh\u00ed c\u1ee7a qu\u1ea1t, \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng nh\u1eadn ra vi\u1ec7c kh\u00f3a qu\u1ea1t ch\u00ednh v\u00e0 ph\u1ee5 tr\u1ee3. Khi qu\u1ea1t ch\u00ednh \u0111ang ch\u1ea1y, d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a \u00e1p su\u1ea5t gi\u00f3, thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i t\u1ef1 \u0111\u1ed9ng c\u1ee7a qu\u1ea1t ch\u00ednh s\u1ebd t\u1ef1 \u0111\u1ed9ng m\u1edf v\u00e0 thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i t\u1ef1 \u0111\u1ed9ng c\u1ee7a qu\u1ea1t ph\u1ee5 s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111\u00f3ng.<\/p>\n

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\u0110\u1eb7c \u0111i\u1ec3m hi\u1ec7u su\u1ea5t ch\u00ednh<\/strong><\/p>\n

1. Qu\u1ea1t bao g\u1ed3m hai ho\u1eb7c nhi\u1ec1u \u0111\u1ed9ng c\u01a1 l\u00e0m vi\u1ec7c, v\u00e0 c\u00e1nh qu\u1ea1t li\u1ec1n k\u1ec1 quay theo h\u01b0\u1edbng t\u01b0\u01a1ng \u0111\u1ed1i. \u0110\u00f3 l\u00e0, s\u1ed1 l\u01b0\u1ee3ng hai l\u01b0\u1ee1i giai \u0111o\u1ea1n l\u00e0 nguy\u00ean t\u1ed1 v\u1edbi nhau. N\u0103ng l\u01b0\u1ee3ng c\u1ee7a kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c thu \u0111\u01b0\u1ee3c b\u1edfi c\u00e1nh qu\u1ea1t giai \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean v\u00e0 \u0111\u01b0\u1ee3c g\u1eedi ra sau khi b\u1ecb \u00e1p l\u1ef1c b\u1edfi c\u00e1nh qu\u1ea1t giai \u0111o\u1ea1n th\u1ee9 hai. Ngo\u00e0i vi\u1ec7c t\u0103ng n\u0103ng l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y kh\u00f4ng kh\u00ed, c\u00e1nh qu\u1ea1t giai \u0111o\u1ea1n th\u1ee9 hai c\u0169ng c\u00f3 ch\u1ee9c n\u0103ng l\u00e0 c\u00e1nh h\u01b0\u1edbng d\u1eabn t\u0129nh trong qu\u1ea1t d\u00f2ng ch\u1ea3y tr\u1ee5c th\u00f4ng th\u01b0\u1eddng. Trong khi c\u00f3 \u0111\u01b0\u1ee3c th\u00e0nh ph\u1ea7n t\u1ed1c \u0111\u1ed9 theo h\u01b0\u1edbng l\u00e0m th\u1eb3ng v\u00f2ng tr\u00f2n, c\u00e1nh qu\u1ea1t giai \u0111o\u1ea1n th\u1ee9 hai l\u00e0m th\u1eb3ng t\u00e1c \u0111\u1ed9ng d\u00f2ng kh\u00f4ng kh\u00ed, t\u0103ng n\u0103ng l\u01b0\u1ee3ng d\u00f2ng kh\u00f4ng kh\u00ed, gi\u1ea3m xo\u00e1y l\u01b0\u1ee3n th\u1ee9c d\u1eady v\u00e0 gi\u1ea3m ti\u1ebfng \u1ed3n.<\/p>\n

2. Trong to\u00e0n b\u1ed9 \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c c\u1ee7a \u0111\u01b0\u1eddng cong hi\u1ec7u su\u1ea5t qu\u1ea1t, hi\u1ec7u su\u1ea5t c\u1ee7a qu\u1ea1t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, c\u00f4ng su\u1ea5t c\u1ee7a tr\u1ee5c c\u00e1nh qu\u1ea1t hai giai \u0111o\u1ea1n \u0111\u01b0\u1ee3c c\u00e2n b\u1eb1ng v\u00e0 c\u00f4ng su\u1ea5t t\u1ed1i \u0111a b\u1eb1ng nhau. \u0110i\u1ec3m quan tr\u1ecdng l\u00e0 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 r\u1eb1ng s\u1ee9c m\u1ea1nh tr\u1ee5c c\u1ee7a c\u00e1nh qu\u1ea1t hai giai \u0111o\u1ea1n trong c\u1eb7p xo\u00e1y l\u1ed1c ban \u0111\u1ea7u kh\u00f4ng c\u00e2n b\u1eb1ng. Khi kh\u00e1ng \u0111\u01b0\u1eddng \u1ed1ng t\u0103ng, s\u1ef1 gia t\u0103ng t\u1ed1c \u0111\u1ed9 c\u00f4ng su\u1ea5t tr\u1ee5c giai \u0111o\u1ea1n th\u1ee9 hai d\u1eabn \u0111\u1ebfn c\u00f4ng su\u1ea5t tr\u1ee5c qu\u00e1 m\u1ee9c c\u1ee7a c\u00e1nh qu\u1ea1t \u1edf c\u00f9ng m\u1ed9t m\u1ee9c \u0111\u1ed9, d\u1ec5 \u0111\u1ed1t \u0111\u1ed9ng c\u01a1.<\/p>\n

3. Trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u00e1c nhau, \u00e1p su\u1ea5t gi\u00f3 t\u01b0\u01a1ng \u0111\u1ed1i nh\u1eb9 nh\u00e0ng, hi\u1ec7n t\u01b0\u1ee3ng t\u0103ng l\u00e0 nh\u1ecf, ho\u1ea1t \u0111\u1ed9ng c\u0169ng \u1ed5n \u0111\u1ecbnh trong khu v\u1ef1c \u00e1p su\u1ea5t gi\u00f3 cao v\u00e0 d\u00f2ng ch\u1ea3y nh\u1ecf, kho\u1ea3ng c\u00e1ch cung c\u1ea5p kh\u00f4ng kh\u00ed l\u00e0 xa d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng m\u1ea1nh m\u1ebd v\u1edbi \u0111\u01b0\u1eddng b\u1ed9 ph\u1ee9c t\u1ea1p. C\u00e1c gi\u1ea3i ph\u00e1p ch\u00ednh: hi\u1ec7u qu\u1ea3 th\u1ea5p, ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng cao v\u00e0 ti\u1ebfng \u1ed3n cao c\u1ee7a c\u1eb7p b\u00e3o ban \u0111\u1ea7u.<\/p>\n

4. Lo\u1ea1i m\u1edbi c\u1ee7a qu\u1ea1t th\u00f4ng gi\u00f3 ch\u1ed1ng n\u1ed5 (t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i ch\u1ed1ng n\u1ed5 qu\u1ea1t quay d\u00f2ng ch\u1ea3y tr\u1ee5c m\u1ed9t ph\u1ea7n) l\u00e0m n\u1ed5i b\u1eadt c\u00e1c l\u1ee3i th\u1ebf c\u1ee7a \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed cao, kho\u1ea3ng c\u00e1ch cung c\u1ea5p kh\u00f4ng kh\u00ed d\u00e0i v\u00e0 chuy\u1ec3n \u0111\u1ed5i thu\u1eadn ti\u1ec7n. Gi\u1ea3i ph\u00e1p ch\u00ednh: y\u00eau c\u1ea7u c\u1ee7a “ b\u1ed1n ho\u00e0n th\u00e0nh” , “ ba \u0111\u1eb7c bi\u1ec7t” , “ hai kh\u00f3a” and “ m\u1ed9t chuy\u1ec3n \u0111\u1ed5i” trong qu\u1ea3n l\u00fd fan m\u1ed9t ph\u1ea7n.<\/p>\n

\"\"<\/p>\n

Th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t k\u1ef9 thu\u1eadt c\u1ee7a qu\u1ea1t th\u00f4ng gi\u00f3 hai giai \u0111o\u1ea1n<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Ki\u1ec3u<\/strong><\/td>\nT\u1ef7 l\u1ec7 Rotaltion<\/strong><\/td>\nS\u1ee9c m\u1ea1nh<\/strong><\/td>\n\u0110i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c<\/strong><\/p>\n

\u00a0(V)<\/strong><\/td>\n

\u0110\u1ed9ng c\u01a1 \u0111\u01a1n<\/strong><\/td>\nC\u00f4ng su\u1ea5t M3 \/ Min<\/strong><\/td>\nT\u1ed5ng \u00e1p su\u1ea5t Pa<\/strong><\/td>\nT\u1ed5ng \u00e1p su\u1ea5t t\u1ed1i \u0111a<\/strong><\/p>\n

\uff08<\/strong>%<\/strong>\uff09<\/strong><\/td>\n

M\u1ee9c \u00e2m thanh (Db)<\/strong><\/td>\nK\u00edch th\u01b0\u1edbc b\u00ean ngo\u00e0i<\/strong><\/td>\n<\/tr>\n
R \/ ph\u00fat<\/strong><\/td>\nKW<\/strong><\/td>\n\u0110\u00e1nh gi\u00e1 hi\u1ec7n t\u1ea1i<\/strong><\/p>\n

(A)<\/strong><\/td>\n

\u03a6 \u00d7 L (mm)<\/strong><\/td>\n<\/tr>\n
\u21163.5<\/td>\n2840<\/td>\n2\u00d72.2<\/td>\n380\/660<\/td>\n4.8\/2.8<\/td>\n204\uff5e126<\/td>\n760\uff5e1140<\/td>\n86<\/td>\n22<\/td>\n445\u00d71135<\/td>\n<\/tr>\n
\u21164.0<\/td>\n2830<\/td>\n2\u00d71.1<\/td>\n380\/660<\/td>\n2.5\/1.4<\/td>\n92\uff5e47<\/td>\n152\uff5e1707<\/td>\n86<\/td>\n22<\/td>\n575\u00d71500<\/td>\n<\/tr>\n
2\u00d71.1(A)<\/td>\n<\/tr>\n
2840<\/td>\n2\u00d71.5<\/td>\n380\/660<\/td>\n3.4\/2.0<\/td>\n111\uff5e56<\/td>\n172\uff5e1933<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
2840<\/td>\n2\u00d72.2<\/td>\n380\/660<\/td>\n4.8\/2.8<\/td>\n136\uff5e72<\/td>\n251\uff5e2156<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
2880<\/td>\n2\u00d73<\/td>\n380\/660<\/td>\n6.4\/3.7<\/td>\n115\uff5e86<\/td>\n351\uff5e2300<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
\u21165.0<\/td>\n2830<\/td>\n2\u00d71.1(A)<\/td>\n380\/660<\/td>\n2.5\/1.4<\/td>\n92\uff5e47<\/td>\n152\uff5e1707<\/td>\n86<\/td>\n22<\/td>\n700\u00d71930<\/td>\n<\/tr>\n
2900<\/td>\n2\u00d74<\/td>\n380\/660<\/td>\n8.1\/4.7<\/td>\n184\uff5e102<\/td>\n231\uff5e2200<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
2900<\/td>\n2\u00d75.5<\/td>\n380\/660\/1140<\/td>\n11.1\/6.4\/3.7<\/td>\n200\uff5e100<\/td>\n220\uff5e2950<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
2900<\/td>\n2\u00d77.5<\/td>\n380\/660\/1140<\/td>\n14.8\/8.7\/5.0<\/td>\n255\uff5e155<\/td>\n380\uff5e3524<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
\u21165.6<\/td>\n2900<\/td>\n2\u00d77.5<\/td>\n380\/660\/1140<\/td>\n14.8\/8.7\/5.0<\/td>\n274\uff5e124<\/td>\n354\uff5e3573<\/td>\n86<\/td>\n22<\/td>\n770\u00d72100<\/td>\n<\/tr>\n
2930<\/td>\n2\u00d711<\/td>\n380\/660\/1140<\/td>\n21.6\/12.6\/7.2<\/td>\n345\uff5e191<\/td>\n495\uff5e4518<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
2930<\/td>\n2\u00d715<\/td>\n380\/660\/1140<\/td>\n28.8\/17.0\/9.6<\/td>\n395\uff5e250<\/td>\n700\uff5e4740<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
\u21166.0<\/td>\n2930<\/td>\n2\u00d715<\/td>\n380\/660\/1140<\/td>\n28.8\/17.0\/9.6<\/td>\n420\uff5e240<\/td>\n350\uff5e5150<\/td>\n86<\/td>\n22<\/td>\n820\u00d72500<\/td>\n<\/tr>\n
2930<\/td>\n2\u00d718.5<\/td>\n380\/660\/1140<\/td>\n35.5\/20.5\/11.8<\/td>\n486\uff5e256<\/td>\n513\uff5e5330<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
2940<\/td>\n2\u00d722<\/td>\n380\/660\/1140<\/td>\n41.0\/24.4\/13.67<\/td>\n525\uff5e310<\/td>\n615\uff5e5460<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
\u21166.3<\/td>\n2930<\/td>\n2\u00d715<\/td>\n380\/660\/1140<\/td>\n28.8\/17.0\/9.6<\/td>\n420\uff5e240<\/td>\n350\uff5e5150<\/td>\n86<\/td>\n22<\/td>\n850\u00d72500<\/td>\n<\/tr>\n
2930<\/td>\n2\u00d718.5<\/td>\n380\/660\/1140<\/td>\n35.5\/20.5\/11.8<\/td>\n486\uff5e256<\/td>\n513\uff5e5330<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
2940<\/td>\n2\u00d722<\/td>\n380\/660\/1140<\/td>\n41.0\/24.4\/13.67<\/td>\n525\uff5e310<\/td>\n615\uff5e5460<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
2950<\/td>\n2\u00d730<\/td>\n380\/660\/1140<\/td>\n56.9\/32.9\/18.5<\/td>\n590\uff5e320<\/td>\n760\uff5e5900<\/td>\n86<\/td>\n22<\/td>\n850\u00d72700<\/td>\n<\/tr>\n
\u21167.1<\/td>\n2950<\/td>\n2\u00d730<\/td>\n380\/660\/1140<\/td>\n56.9\/32.9\/18.5<\/td>\n620\uff5e370<\/td>\n600\uff5e6624<\/td>\n86<\/td>\n22<\/td>\n930\u00d72740<\/td>\n<\/tr>\n
2950<\/td>\n2\u00d737<\/td>\n380\/660\/1140<\/td>\n67.9\/40.3\/22.6<\/td>\n745\uff5e400<\/td>\n890\uff5e6630<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
2970<\/td>\n2\u00d745<\/td>\n380\/660\/1140<\/td>\n82.1\/48.4\/27.4<\/td>\n830\uff5e545<\/td>\n1450\uff5e6780<\/td>\n86<\/td>\n22<\/td>\n930\u00d72830<\/td>\n<\/tr>\n
\u21168.0<\/td>\n2950<\/td>\n2\u00d730<\/td>\n380\/660\/1140<\/td>\n56.9\/32.9\/18.5<\/td>\n520\uff5e265<\/td>\n400\uff5e6600<\/td>\n86<\/td>\n22<\/td>\n1040\u00d72760<\/td>\n<\/tr>\n
2970<\/td>\n2\u00d745<\/td>\n380\/660\/1140<\/td>\n82.1\/48.4\/27.4<\/td>\n680\uff5e380<\/td>\n600\uff5e7600<\/td>\n86<\/td>\n22<\/td>\n1040\u00d72900<\/td>\n<\/tr>\n
2970<\/td>\n2\u00d755<\/td>\n380\/660\/1140<\/td>\n102.6\/59.3\/34.3<\/td>\n820\uff5e480<\/td>\n700\uff5e8300<\/td>\n86<\/td>\n22<\/td>\n1040\u00d73050<\/td>\n<\/tr>\n
2970<\/td>\n2\u00d775<\/td>\n380\/660\/1140<\/td>\n140.1\/80.7\/46.7<\/td>\n1260\uff5e675<\/td>\n2160\uff5e7170<\/td>\n86<\/td>\n22<\/td>\n1040\u00d73190<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Hi\u1ec7u su\u1ea5t k\u1ef9 thu\u1eadt Th\u00f4ng s\u1ed1 c\u1ee7a ba giai \u0111o\u1ea1n qu\u1ea1t th\u00f4ng gi\u00f3<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Ki\u1ec3u<\/strong><\/td>\nT\u1ef7 l\u1ec7 Rotaltion<\/strong><\/td>\nS\u1ee9c m\u1ea1nh<\/strong><\/td>\n\u0110i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c\u00a0<\/strong><\/p>\n

(V)<\/strong><\/td>\n

\u0110\u1ed9ng c\u01a1 \u0111\u01a1n<\/strong><\/td>\nC\u00f4ng su\u1ea5t M3 \/ Min<\/strong><\/td>\nT\u1ed5ng \u00e1p su\u1ea5t Pa<\/strong><\/td>\nT\u1ed5ng \u00e1p su\u1ea5t t\u1ed1i \u0111a<\/strong><\/p>\n

\uff08<\/strong>%<\/strong>\uff09<\/strong><\/td>\n

M\u1ee9c \u00e2m thanh<\/strong><\/p>\n

(Db)<\/strong><\/td>\n

K\u00edch th\u01b0\u1edbc b\u00ean ngo\u00e0i<\/strong><\/td>\n<\/tr>\n
R \/ ph\u00fat<\/strong><\/td>\nKW<\/strong><\/td>\n\u0110\u00e1nh gi\u00e1 hi\u1ec7n t\u1ea1i<\/strong><\/p>\n

(A)<\/strong><\/td>\n

\u03a6 \u00d7 L (mm)<\/strong><\/td>\n<\/tr>\n
\u21164.0<\/td>\n2840<\/td>\n3\u00d72.2<\/td>\n380\/660<\/td>\n4.8\/2.8<\/td>\n226\uff5e110<\/td>\n410\uff5e2590<\/td>\n86<\/td>\n22<\/td>\n575\u00d72250<\/td>\n<\/tr>\n
2880<\/td>\n3\u00d73<\/td>\n380\/660<\/td>\n6.4\/3.7<\/td>\n226\uff5e120<\/td>\n410\uff5e2670<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
2890<\/td>\n3\u00d74<\/td>\n380\/660<\/td>\n8.1\/4.7<\/td>\n226\uff5e146<\/td>\n410\uff5e3290<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
\u21165.0<\/td>\n2900<\/td>\n3\u00d75.5<\/td>\n380\/660\/1140<\/td>\n11.1\/6.4\/3.7<\/td>\n245\uff5e155<\/td>\n430\uff5e4430<\/td>\n86<\/td>\n22<\/td>\n700\u00d72600<\/td>\n<\/tr>\n
2900<\/td>\n3\u00d77.5<\/td>\n380\/660\/1140<\/td>\n14.8\/8.7\/5.0<\/td>\n306\uff5e175<\/td>\n470\uff5e5000<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
\u21165.6<\/td>\n2930<\/td>\n3\u00d711<\/td>\n380\/660\/1140<\/td>\n21.6\/12.6\/7.2<\/td>\n408\uff5e194<\/td>\n500\uff5e6080<\/td>\n86<\/td>\n22<\/td>\n770\u00d73560<\/td>\n<\/tr>\n
2930<\/td>\n3\u00d715<\/td>\n380\/660\/1140<\/td>\n28.8\/17.0\/9.6<\/td>\n460\uff5e245<\/td>\n600\uff5e7240<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
\u21166.3<\/td>\n2930<\/td>\n3\u00d718.5<\/td>\n380\/660\/1140<\/td>\n35.5\/20.5\/11.8<\/td>\n510\uff5e245<\/td>\n610\uff5e7850<\/td>\n86<\/td>\n22<\/td>\n850\u00d73740<\/td>\n<\/tr>\n
2940<\/td>\n3\u00d722<\/td>\n380\/660\/1140<\/td>\n41.0\/24.4\/13.67<\/td>\n560\uff5e245<\/td>\n610\uff5e8560<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
2950<\/td>\n3\u00d730<\/td>\n380\/660\/1140<\/td>\n56.9\/32.9\/18.5<\/td>\n640\uff5e252<\/td>\n620\uff5e9000<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
\u21167.1<\/td>\n2950<\/td>\n3\u00d737<\/td>\n380\/660\/1140<\/td>\n67.9\/40.3\/22.6<\/td>\n745\uff5e400<\/td>\n1170\uff5e9180<\/td>\n86<\/td>\n22<\/td>\n930\u00d73830<\/td>\n<\/tr>\n
2970<\/td>\n3\u00d745<\/td>\n380\/660\/1140<\/td>\n82.1\/48.4\/27.4<\/td>\n830\uff5e545<\/td>\n1450\uff5e9220<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
\u21168.0<\/td>\n2970<\/td>\n3\u00d755<\/td>\n380\/660\/1140<\/td>\n102.6\/59.3\/34.3<\/td>\n990\uff5e625<\/td>\n1810\uff5e9330<\/td>\n86<\/td>\n22<\/td>\n1040\u00d74250<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Hi\u1ec7u su\u1ea5t k\u1ef9 thu\u1eadt Th\u00f4ng s\u1ed1 c\u1ee7a qu\u1ea1t th\u00f4ng gi\u00f3 b\u1ed1n giai \u0111o\u1ea1n<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Ki\u1ec3u<\/strong><\/td>\nT\u1ef7 l\u1ec7 Rotaltion<\/strong><\/td>\nS\u1ee9c m\u1ea1nh<\/strong><\/td>\n\u0110i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c<\/strong><\/p>\n

\u00a0(V)<\/strong><\/td>\n

\u0110\u1ed9ng c\u01a1 \u0111\u01a1n<\/strong><\/td>\nC\u00f4ng su\u1ea5t M3 \/ Min<\/strong><\/td>\nT\u1ed5ng \u00e1p su\u1ea5t Pa<\/strong><\/td>\nT\u1ed5ng \u00e1p su\u1ea5t t\u1ed1i \u0111a<\/strong><\/p>\n

\uff08<\/strong>%<\/strong>\uff09<\/strong><\/td>\n

M\u1ee9c \u00e2m thanh (Db)<\/strong><\/td>\nK\u00edch th\u01b0\u1edbc b\u00ean ngo\u00e0i<\/strong><\/td>\n<\/tr>\n
R \/ ph\u00fat<\/strong><\/td>\nKW<\/strong><\/td>\n\u0110\u00e1nh gi\u00e1 hi\u1ec7n t\u1ea1i<\/strong><\/p>\n

(A)<\/strong><\/td>\n

\u03a6 \u00d7 L (mm)<\/strong><\/td>\n<\/tr>\n
\u21164.0<\/td>\n2840<\/td>\n4\u00d72.2<\/td>\n380\/660<\/td>\n4.8\/2.8<\/td>\n226\uff5e110<\/td>\n525\uff5e3330<\/td>\n86<\/td>\n22<\/td>\n575\u00d72820<\/td>\n<\/tr>\n
2880<\/td>\n4\u00d73<\/td>\n380\/660<\/td>\n6.4\/3.7<\/td>\n226\uff5e120<\/td>\n525\uff5e3980<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
\u21165.0<\/td>\n2890<\/td>\n4\u00d74<\/td>\n380\/660<\/td>\n8.1\/4.7<\/td>\n226\uff5e146<\/td>\n525\uff5e4220<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
2900<\/td>\n4\u00d75.5<\/td>\n380\/660\/1140<\/td>\n11.1\/6.4\/3.7<\/td>\n245\uff5e155<\/td>\n560\uff5e5690<\/td>\n86<\/td>\n22<\/td>\n700\u00d73130<\/td>\n<\/tr>\n
2900<\/td>\n4\u00d77.5<\/td>\n380\/660\/1140<\/td>\n14.8\/8.7\/5.0<\/td>\n306\uff5e175<\/td>\n590\uff5e6430<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
\u21165.6<\/td>\n2930<\/td>\n4\u00d711<\/td>\n380\/660\/1140<\/td>\n21.6\/12.6\/7.2<\/td>\n408\uff5e194<\/td>\n610\uff5e7350<\/td>\n86<\/td>\n22<\/td>\n770\u00d74180<\/td>\n<\/tr>\n
2930<\/td>\n4\u00d715<\/td>\n380\/660\/1140<\/td>\n28.8\/17.0\/9.6<\/td>\n460\uff5e245<\/td>\n767\uff5e9380<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
\u21166.3<\/td>\n2930<\/td>\n4\u00d718.5<\/td>\n380\/660\/1140<\/td>\n35.5\/20.5\/11.8<\/td>\n510\uff5e245<\/td>\n785\uff5e10100<\/td>\n86<\/td>\n22<\/td>\n850\u00d74460<\/td>\n<\/tr>\n
2940<\/td>\n4\u00d722<\/td>\n380\/660\/1140<\/td>\n41.0\/24.4\/13.67<\/td>\n560\uff5e245<\/td>\n785\uff5e11000<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
2950<\/td>\n4\u00d730<\/td>\n380\/660\/1140<\/td>\n56.9\/32.9\/18.5<\/td>\n640\uff5e252<\/td>\n805\uff5e11570<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
\u21167.1<\/td>\n2950<\/td>\n4\u00d737<\/td>\n380\/660\/1140<\/td>\n67.9\/40.3\/22.6<\/td>\n745\uff5e400<\/td>\n1450\uff5e11830<\/td>\n86<\/td>\n22<\/td>\n930\u00d74570<\/td>\n<\/tr>\n
2970<\/td>\n4\u00d745<\/td>\n380\/660\/1140<\/td>\n82.1\/48.4\/27.4<\/td>\n830\uff5e545<\/td>\n1810\uff5e11860<\/td>\n86<\/td>\n22<\/td>\n<\/tr>\n
\u21168.0<\/td>\n2970<\/td>\n4\u00d755<\/td>\n380\/660\/1140<\/td>\n102.6\/59.3\/34.3<\/td>\n990\uff5e625<\/td>\n2160\uff5e11980<\/td>\n86<\/td>\n22<\/td>\n1040\u00d75070<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"

Qu\u1ea1t th\u00f4ng gi\u00f3 ch\u1ed1ng n\u1ed5 lo\u1ea1t FBD (sau n\u00e0y g\u1ecdi l\u00e0 qu\u1ea1t) c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u1ea5u tr\u00fac h\u1ee3p l\u00fd, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ho\u00e0n ch\u1ec9nh, hi\u1ec7u qu\u1ea3 cao, hi\u1ec7u \u1ee9ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng r\u00f5 r\u00e0ng, ti\u1ebfng \u1ed3n th\u1ea5p, kho\u1ea3ng c\u00e1ch cung c\u1ea5p kh\u00f4ng kh\u00ed d\u00e0i, v.v.<\/p>","protected":false},"featured_media":1417,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[28],"product_tag":[],"class_list":{"0":"post-1412","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-underground-ventilation-systems","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/product\/1412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/comments?post=1412"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/media\/1417"}],"wp:attachment":[{"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/media?parent=1412"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/product_brand?post=1412"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/product_cat?post=1412"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.zongdamining.com\/vi\/wp-json\/wp\/v2\/product_tag?post=1412"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}