{"id":17,"date":"2019-06-21T14:58:40","date_gmt":"2019-06-21T14:58:40","guid":{"rendered":"https:\/\/thuvienxaydung.com.vn\/?p=17"},"modified":"2021-11-08T02:39:26","modified_gmt":"2021-11-08T02:39:26","slug":"thuyet-minh-thiet-ke-ky-thuat-he-thong-phong-chay-chua-chay-cho-nha-may-kcv-vina","status":"publish","type":"post","link":"https:\/\/tailieuxaydung.net\/?p=17","title":{"rendered":"Thuy\u1ebft minh thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt H\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y cho nh\u00e0 m\u00e1y KCV Vina"},"content":{"rendered":"

Download Thuy\u1ebft minh thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt H\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y cho nh\u00e0 m\u00e1y KCV Vina
\n\"\"<\/a>
\nM\u1eadt kh\u1ea9u :<\/strong> Cu\u1ed1i b\u00e0i vi\u1ebft<\/strong><\/span><\/span><\/p>\n

C\u1ed8NG H\u00d2A X\u00c3 H\u1ed8I CH\u1ee6 NGH\u0128A VI\u1ec6T NAM<\/strong><\/p>\n

\u0110\u1ed9c l\u1eadp t\u1ef1 do \u2013 H\u1ea1nh ph\u00fac<\/em><\/p>\n

—–o0o—–<\/strong><\/p>\n

H\u00e0 N\u1ed9i\u2026 ng\u00e0y\u2026th\u00e1ng\u2026n\u0103m 2015<\/em><\/p>\n

THUY\u1ebeT MINH K\u1ef8 THU\u1eacT<\/strong><\/p>\n

H\u1ec6 TH\u1ed0NG PH\u00d2NG CH\u00c1Y V\u00c0 CH\u1eeeA CH\u00c1Y<\/strong><\/p>\n

T\u00ean <\/strong>d<\/strong>\u1ef1 <\/strong>\u00e1n:\u00a0 Nh\u00e0 m\u00e1y SEOUL METAL giai \u0111o\u1ea1n 2<\/strong><\/p>\n

\u0110\u1ecba \u0111i\u1ec3m : KCN Y\u00ean Phong x\u00e3 Long Ch\u00e2u Y\u00ean Phong B\u1eafc Ninh.<\/strong><\/p>\n

Ch<\/strong>\u1ee7 <\/strong>\u0111<\/strong>\u1ea7<\/strong>u t\u01b0: C\u00f4ng ty c\u1ed5 ph\u1ea7n SEOUL METAL Vi\u1ec7t Nam<\/strong><\/p>\n

\u0110\u01a1n v\u1ecb thi\u1ebft k\u1ebf : C\u00f4ng ty c\u1ed5 ph\u1ea7n c\u00f4ng ngh\u1ec7 Max Vi\u1ec7t Nam<\/strong><\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/strong><\/p>\n\n\n\n
\n

\u0110\u1ea0I DI\u1ec6N CH\u1ee6 \u0110\u1ea6U T\u01af<\/strong><\/p>\n

C\u00d4NG TY TNHH SEOUL METAL<\/strong><\/p>\n

VI\u1ec6T NAM<\/strong><\/p>\n<\/td>\n

\n

\u0110\u1ea0I DI\u1ec6N \u0110\u01a0N V\u1eca THI\u1ebeT K\u1ebe<\/strong><\/p>\n

C\u00d4NG TY C\u1ed4 PH\u1ea6N C\u00d4NG NGH\u1ec6 MAX VI\u1ec6T NAM<\/strong><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

I- GI\u1edaI THI\u1ec6U CHUNG<\/strong><\/h2>\n

1.1. T\u1ed5ng qu\u00e1t<\/em><\/strong><\/h3>\n

T\u00ean d\u1ef1 \u00e1n: D\u1ef1 \u00e1n x\u00e2y d\u1ef1ng nh\u00e0 m\u00e1y SEOUL METAL giai \u0111o\u1ea1n 2<\/p>\n

\u0110\u1ecba \u0111i\u1ec3m x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh: KCN \u00a0Y\u00ean \u00a0Phong \u00a0x\u00e3 \u00a0Long \u00a0Ch\u00e2u Y\u00ean \u00a0Phong \u00a0B\u1eafc Ninh.<\/p>\n

Ch\u1ee7 \u0111\u1ea7u t\u01b0: C\u00f4ng ty c\u1ed5 ph\u1ea7n SEOUL METAL Vi\u1ec7t Nam<\/p>\n

1.2 \u0110\u1ecba \u0111i\u1ec3m x\u00e2y d\u1ef1ng<\/em><\/strong><\/h3>\n

Nh\u00e0 m\u00e1y \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i : KCN\u00a0 Y\u00ean\u00a0 Phong\u00a0 x\u00e3\u00a0 Long\u00a0 Ch\u00e2u\u00a0 Y\u00ean\u00a0 Phong\u00a0 B\u1eafc\u00a0 Ninh.<\/p>\n

1.5 C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u1ec1 ki\u1ebfn tr\u00fac c\u1ee7a c\u00f4ng tr\u00ecnh:<\/em><\/strong><\/h3>\n

T\u1ed5ng di\u1ec7n t\u00edch l\u00f4 \u0111\u1ea5t: 34,830m2trong \u0111\u00f3 di\u1ec7n t\u00edch \u0111\u1ea5t x\u00e2y d\u1ef1ng:<\/p>\n

Nh\u00e0 x\u01b0\u1edfng giai \u0111o\u1ea1n 2: 33mx48m=1584m2<\/p>\n

1.6 C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u1ec1 nguy hi\u1ec3m ch\u00e1y n\u1ed5 c\u1ee7a c\u00f4ng tr\u00ecnh:<\/em><\/strong><\/h3>\n

D\u1ef1a v\u00e0o c\u00e1c \u0111i\u1ec3m x\u00e2y d\u1ef1ng v\u00e0 ki\u1ebfn tr\u00fac c\u1ee7a c\u00f4ng tr\u00ecnh , c\u0103n c\u1ee9 theo TCVN 2622-1995 th\u00ec c\u00f4ng tr\u00ecnh c\u00f3 h\u1ea1ng s\u1ea3n xu\u1ea5t E b\u1eadc ch\u1ecbu l\u1eeda l\u00e0 b\u1eadc 2.<\/p>\n

Do \u0111\u1eb7c \u0111i\u1ec3m s\u1ea3n xu\u1ea5t kinh doanh c\u1ee7a c\u00f4ng ty ch\u1ea5t ch\u00e1y ch\u1ee7 y\u1ebfu t\u1eadp trung c\u00f3 c\u00e1c \u0111\u1eb7c \u00a0\u0111i\u1ec3m sau:<\/p>\n

T\u1ea1i khu v\u0103n ph\u00f2ng : ch\u1ea5t ch\u00e1y \u00a0ch\u1ee7 y\u1ebfu l\u00e0 ch\u1ea5t r\u1eafn nh\u01b0 : gi\u1ea5y t\u1edd, t\u00e0i li\u1ec7u , m\u00e1y vi t\u00ednh , thi\u1ebft b\u1ecb \u0111i\u1ec7n nh\u01b0 \u0111i\u1ec1u h\u00f2a, qu\u1ea1t \u0111i\u1ec7n, b\u00f3ng \u0111\u00e8n chi\u1ebfu s\u00e1ng. C\u00e1c ch\u1ea5t ch\u00e1y kh\u00e1c nh\u01b0 th\u1ea3m tr\u1ea3i s\u00e0n, r\u00e8m c\u1eeda\u2026<\/p>\n

T\u1ea1i \u00a0nh\u00e0 x\u01b0\u1edfng s\u1ea3n xu\u1ea5t : Do ho\u1ea1t \u0111\u1ed9ng c\u1ee7a nh\u00e0 m\u00e1y l\u00e0 s\u1ea3n xu\u1ea5t \u00a0m\u00e1y \u00a0\u00e9p n\u00ean nguy\u00ean li\u1ec7u ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c t\u1ea5m th\u00e9p, \u0111\u1ed9ng c\u01a1 ,thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t th\u00ec nguy hi\u1ec3m ch\u00e1y \u00a0n\u1ed5 nh\u1ea5t l\u00e0 qu\u00e1 tr\u00ecnh \u00a0h\u00e0n,c\u1eaft c\u00e1c chi ti\u1ebft m\u00e1y \u00a0\u00e9p. Ngo\u00e0i ra vi\u1ec7c s\u1eed d\u1ee5ng \u00a0\u0111i\u1ec7n trong qu\u00e1 tr\u00ecnh s\u1ea3n \u00a0xu\u1ea5t \u00a0c\u0169ng l\u00e0 \u00a0nguy c\u01a1 ti\u1ec1m \u1ea9n v\u1ec1 ch\u00e1y n\u1ed5.<\/p>\n

 <\/p>\n

II- THI\u1ebeT \u00a0K\u1ebe H\u1ec6 TH\u1ed0NG PH\u00d2NG CH\u00c1Y CH\u1eeeA CH\u00c1Y:<\/strong><\/h2>\n

H\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y cho c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n Vi\u1ec7t Nam v\u00e0 tham kh\u1ea3o ti\u00eau chu\u1ea9n c\u1ee7a m\u1ed9t s\u1ed1 qu\u1ed1c gia ph\u00e1t tri\u1ec3n c\u00f9ng c\u00e1c t\u1ed5 ch\u1ee9c qu\u1ed1c t\u1ebf. \u0110\u01a1n v\u1ecb thi\u1ebft k\u1ebf tham kh\u1ea3o nhu c\u1ea7u c\u1ee7a ch\u1ee7 \u0111\u1ea7u t\u01b0, kh\u1ea3 n\u0103ng cung c\u1ea5p c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n k\u1ef9 thu\u1eadt c\u1ee7a c\u00e1c h\u00e3ng ti\u00ean ti\u1ebfn v\u00e0 t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb n\u00f3i tr\u00ean.\u00a0 Tr\u00ean c\u01a1 s\u1edf \u0111\u00f3, h\u1ec7 th\u1ed1ng Ph\u00f2ng ch\u00e1y ch\u1eefa\u00a0 ch\u00e1y cho c\u00f4ng tr\u00ecnh s\u1ebd \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n Vi\u1ec7t Nam v\u00e0 cao h\u01a1n, t\u00ednh\u00a0 ch\u1ea5t \u00a0hi\u1ec7n \u00a0\u0111\u1ea1i, \u00a0c\u00f3 \u00a0t\u00ednh \u00a0\u0111\u1ebfn\u00a0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cho c\u1ee7a c\u00f4ng tr\u00ecnh trong t\u01b0\u01a1ng lai.<\/p>\n

H\u1ec7 th\u1ed1ng ph\u00f2ng \u00a0ch\u00e1y ch\u1eefa \u00a0ch\u00e1y trong \u00a0c\u00f4ng tr\u00ecnh bao g\u1ed3m nh\u1eefng th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n sau:<\/p>\n

+ H\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y t\u1ef1 \u00a0\u0111\u1ed9ng.<\/p>\n

+ H\u1ec7 th\u1ed1ng \u0111\u00e8n chi\u1ebfu s\u00e1ng s\u1ef1 c\u1ed1 v\u00e0 \u0111\u00e8n ch\u1ec9 h\u01b0\u1edbng tho\u00e1t n\u1ea1n (EXIT)<\/p>\n

+ H\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y v\u00e1ch t\u01b0\u1eddng v\u00e0 tr\u1ee5 ch\u1eefa ch\u00e1y ngo\u00e0i nh\u00e0.<\/p>\n

+H\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y t\u1ef1 \u0111\u1ed9ng spinkler<\/p>\n

+Trang b\u1ecb c\u00e1c b\u00ecnh ch\u1eefa ch\u00e1y t\u1ea1i ch\u1ed7 cho c\u00f4ng tr\u00ecnh.<\/p>\n

Ngh\u1ecb \u0111\u1ecbnh s\u1ed1 35\/2003\/N\u0110-CP ng\u00e0y 04 th\u00e1ng 04 n\u0103m 2003 c\u1ee7a ch\u00ednh ph\u1ee7 v\u1ec1 vi\u1ec7c quy \u0111\u1ecbnh chi \u00a0ti\u1ebft \u00a0thi h\u00e0nh m\u1ed9t s\u1ed1 \u0111i\u1ec1u c\u1ee7a lu\u1eadt Ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y.<\/p>\n

Ti\u00eau chu\u1ea9n Vi\u1ec7t Nam TCVN 3254-1989: An to\u00e0n ch\u00e1y-Y\u00eau c\u1ea7u chung.<\/p>\n

Ti\u00eau chu\u1ea9n Vi\u1ec7t Nam TCVN 4878:1989 (IS03941:1997) Nh\u00f3m ph\u00e2n lo\u1ea1i ch\u00e1y.<\/p>\n

Ti\u00eau chu\u1ea9n Vi\u1ec7t Nam TCVN5738-2001: H\u1ec7 th\u1ed1ng \u00a0b\u00e1o ch\u00e1y t\u1ef1 \u0111\u1ed9ng \u2013Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt. Ti\u00eau chu\u1ea9n Vi\u1ec7t Nam TCVN 2622-1995: Ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y cho \u00a0nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh –<\/p>\n

Y\u00eau c\u1ea7u thi\u1ebft k\u1ebf.<\/p>\n

Ti\u00eau chu\u1ea9n Vi\u1ec7t Nam TCVN7435-1:2004-ISO11602-1:2000 Ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y- B\u00ecnh ch\u1eefa ch\u00e1y x\u00e1ch \u00a0tay v\u00e0 \u00a0xe \u0111\u1ea9y.<\/p>\n

Ph\u1ea7n 1:L\u1ef1a ch\u1ecdn v\u00e0 b\u1ed1 tr\u00ed.<\/p>\n

Ti\u00eau \u00a0chu\u1ea9n \u00a0Vi\u1ec7 t Nam TCVN 4513-1998 C\u1ea5p n\u01b0\u1edbc b\u00ean trong -Ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf.<\/p>\n

Ti\u00eau chu\u1ea9n Vi\u1ec7 tNam TCVN3890:2009 ph\u01b0\u01a1ng ti\u1ec7n ph\u00f2ng ch\u00e1y v\u00e0 ch\u1eefa ch\u00e1y cho nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh \u2013Trang b\u1ecb, b\u1ed1 tr\u00ed, ki\u1ec3m tra, b\u1ea3o d\u01b0\u1ee1ng.<\/p>\n

Ti\u00eau chu\u1ea9n Vi\u1ec7t Nam TCVN 7336:2003: Ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y – H\u1ec7 th\u1ed1ng sprinkler t\u1ef1 \u0111\u1ed9ng.<\/p>\n

Nguy\u00ean nh\u00e2n g\u00e2y ch\u00e1y v\u00e0 gi\u1ea3i ph\u00e1p ph\u00f2ng ,ch\u1eefa ch\u00e1y:<\/p>\n

Nguy\u00ean nh\u00e2n g\u00e2y ch\u00e1y:<\/p>\n

Trong c\u00f4ng tr\u00ecnh c\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1c v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 ch\u00e1y \u0111\u01b0\u1ee3c. C\u00e1c v\u1eadt li\u1ec7u n\u00e0y khi g\u1eb7p<\/p>\n

ngu\u1ed3n nhi\u1ec7t \u0111\u1ee7 l\u1edbn th\u00ec c\u00f3 th\u1ec3 g\u00e2y ra ch\u00e1y. Ngu\u1ed3n nhi\u1ec7t \u1edf \u0111\u00e2y c\u00f3 th\u1ec3 do c\u00e1c nguy\u00ean nh\u00e2n kh\u00e1c nhau t\u1ea1o ra nh\u01b0 t\u1eeb h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, ng\u1ecdn l\u1eeda tr\u1ea7n…Khi ch\u00e1y, c\u00e1c v\u1eadt li\u1ec7u ch\u00e1y trong t\u00f2a nh\u00e0 c\u00f3 th\u1ec3 l\u00e0m cho \u0111\u00e1m ch\u00e1y ph\u00e1t tri\u1ec3n r\u1ea5t nhanh sang khu v\u1ef1c l\u00e2n c\u1eadn . V\u00ec \u0111\u00e2y l\u00e0 c\u00f4ng tr\u00ecnh c\u00f3 gi\u00e1 tr\u1ecb l\u1edbn v\u1ec1 kinh t\u1ebf n\u00ean vi\u1ec7c ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y c\u1ea7n ph\u1ea3i \u0111\u1ea3m b\u1ea3o d\u1eadp t\u1eaft nhanh ch\u00f3ng \u0111\u00e1m ch\u00e1y, n\u1ebfu kh\u00f4ng th\u00ec m\u1ee9c thi\u1ec7t h\u1ea1i v\u1ec1 ng\u01b0\u1eddi v\u00e0 t\u1ea3i s\u1ea3n do \u0111\u00e1m ch\u00e1y g\u00e2y ra l\u00e0 r\u1ea5t l\u1edbn.<\/p>\n

Gi\u1ea3i ph\u00e1p ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y cho c\u00f4ng tr\u00ecnh:<\/p>\n

H\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y \u00a0ph\u1ea3i c\u00f3 kh\u1ea3\u00a0 n\u0103ng ch\u1eefa ch\u00e1y cho t\u1ea5t c\u1ea3 c\u00e1c v\u1ecb tr\u00ed trong c\u00f4ng tr\u00ecnh, c\u00f3 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t ngay c\u1ea3 khi \u0111\u00e1m ch\u00e1y \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh \u0111\u00e1m ch\u00e1yl\u1edbn.<\/p>\n

Th\u1eddi gian ch\u1eefa ch\u00e1y ph\u1ea3i \u0111\u1ee7 l\u1edbn, \u00edt nh\u1ea5t l\u00e0 b\u1eb1ng th\u1eddi gian quy \u0111\u1ecbnh trong ti\u00eau chu\u1ea9n Vi\u1ec7t<\/p>\n

Nam hi\u1ec7n h\u00e0nh.<\/p>\n

H\u1ec7 th\u1ed1ng ph\u1ea3i c\u00f3 t\u00ednh ch\u1ea5t t\u1ef1 \u0111\u1ed9ng ho\u1eb7c b\u00e1n t\u1ef1 \u0111\u1ed9ng , s\u1eed d\u1ee5ng ph\u1ea3i \u0111\u01a1n gi\u1ea3n, d\u1ec5 b\u1ea3o qu\u1ea3n, b\u1ea3o d\u01b0\u1ee1ng.<\/p>\n

H\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y t\u1ef1 \u0111\u1ed9ng.<\/p>\n

H\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00f4ng tr\u00ecnh bao g\u1ed3m : 01 t\u1ee7 trung t\u00e2m b\u00e1o ch\u00e1y t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf ph\u00f2ng th\u01b0\u1eddng tr\u1ef1c 24\/24h c\u1ee7a c\u00f4ng tr\u00ecnh. C\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y \u0111\u01b0\u1ee3c trang b\u1ecb \u1edf to\u00e0n b\u1ed9 c\u00e1c khu v\u1ef1c c\u1ee7a c\u00f4ng tr\u00ecnh. C\u00e1c chu\u00f4ng b\u00e1o ch\u00e1y, \u0111\u00e8n b\u00e1o ch\u00e1y v\u00e0 n\u00fat \u1ea5n b\u00e1o ch\u00e1y \u0111\u01b0\u1ee3c trang b\u1ecb \u1edf khu v\u1ef1c h\u00e0nh lang, c\u1eeda ra v\u00e0o v\u00e0 g\u1ea7n l\u1ed1i tho\u00e1t n\u1ea1n.<\/p>\n

H\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y b\u1eb1ng n\u01b0\u1edbc v\u00e1ch t\u01b0\u1eddng v\u00e0 tr\u1ee5\u00a0 ch\u1eefa ch\u00e1y ngo\u00e0i nh\u00e0.<\/p>\n

H\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y v\u00e1ch t\u01b0\u1eddng c\u1ee7a c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00f9ng chung m\u1ed9t tr\u1ea1m b\u01a1m. C\u00e1c h\u1ecdng ch\u1eefa ch\u00e1y v\u00e1ch t\u01b0\u1eddng \u0111\u01b0\u1ee3c trang b\u1ecb \u1edf c\u00e1c khu v\u1ef1c h\u00e0nh lang c\u1ee7a c\u00f4ng tr\u00ecn , tr\u00ean t\u1ed5ng m\u1eb7t b\u1eb1ng \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed sao cho c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 \u0111u\u1ee3c m\u1ecdi v\u1ecb tr\u00ed trong c\u00f4ng tr\u00ecnh khi c\u00f3 ch\u00e1y s\u1ea3y ra. C\u00e1c h\u1ed9p c\u1ee9u h\u1ecfa c\u00f3 1 cu\u1ed9n v\u00f2i ch\u1eefa ch\u00e1y D50, d\u00e0i 20m, 1\u0103ng phun ch\u1eefa ch\u00e1y D50\/13, 1 van g\u00f3c ch\u1eefa ch\u00e1y chuy\u00ean d\u1ee5ng.<\/p>\n

H\u1ec7 th\u1ed1ng tr\u1ee5 ti\u1ebfp n\u01b0\u1edbc v\u00e0 tr\u1ee5 ch\u1eefa ch\u00e1y ngo\u00e0i nh\u00e0 \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed \u1edf b\u00ean ngo\u00e0i c\u00f4ng tr\u00ecnh, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho c\u00f4ng vi\u1ec7c ti\u1ebfp n\u01b0\u1edbc v\u00e0 ch\u1eefa ch\u00e1y cho c\u00f4ng tr\u00ecnh. C\u00e1c h\u1ed9p \u0111\u1ef1ng ph\u01b0\u01a1ng ti\u1ec7n ch\u1eefa ch\u00e1y ngo\u00e0i nh\u00e0 g\u1ed3m 2 cu\u1ed9n v\u00f2i ch\u1eefa ch\u00e1y D65 d\u00e0i 20m, 2 l\u0103ng phun ch\u1eefa ch\u00e1y D65\/19.<\/p>\n

C<\/strong>\u1ea5<\/strong>u \u00a0tr\u00fac c\u1ee5 th\u1ec3 c\u1ee7a \u00a0h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y t\u1ef1 \u0111\u1ed9ng nh\u01b0 sau:<\/strong><\/h3>\n

1.\u00a0\u00a0 H\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y t\u1ef1 \u0111\u1ed9ng.<\/em><\/strong><\/h3>\n

H\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y t\u1ef1 \u0111\u1ed9ng bao g\u1ed3m t\u1ee7 trung t\u00e2m b\u00e1o ch\u00e1y, c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y, chu\u00f4ng b\u00e1o ch\u00e1y, n\u00fat \u1ea5n b\u00e1o ch\u00e1y, h\u1ec7 th\u1ed1ng d\u00e2y d\u1eabn li\u00ean k\u1ebft t\u00edn hi\u1ec7u, c\u1ea5u tr\u00fac c\u1ee5 th\u1ec3 c\u1ee7a h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y t\u1ef1 \u0111\u1ed9ng trong c\u00f4ng tr\u00ecnh nh\u01b0 sau:<\/p>\n

A.\u00a0 T\u1ee7 trung t\u00e2m b\u00e1o ch\u00e1y t\u1ef1 \u0111\u1ed9ng 20 k\u00eanh c\u1ee7a giai \u0111o\u1ea1n 1.<\/em><\/strong><\/h3>\n

Trung t\u00e2m b\u00e1o ch\u00e1y t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i ph\u00f2ng b\u1ea3o v\u1ec7 g\u1ea7n c\u1ed5ng ra v\u00e0o c\u1ee7a c\u00f4ng tr\u00ecnh. Trung t\u00e2m \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean t\u01b0\u1eddng c\u1ee7a ph\u00f2ng b\u1ea3o v\u1ec7 v\u1edbi \u0111\u1ed9 cao ph\u00f9 h\u1ee3p \u0111\u1ec3 m\u1ecdi ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u0111\u1ee9ng \u1edf m\u1eb7t \u0111\u1ea5t \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n d\u1ec5 d\u00e0ng. T\u1ee7 trung t\u00e2m b\u00e1o ch\u00e1y l\u00e0 n\u01a1i cung c\u1ea5p ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y c\u0169ng nh\u01b0 l\u00e0 n\u01a1i x\u1eed l\u00fd to\u00e0n b\u1ed9 c\u00e1c th\u00f4ng tin c\u1ee7a h\u1ec7t h\u1ed1ng b\u00e1o ch\u00e1y t\u1ef1 \u0111\u1ed9ng.<\/p>\n

Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a trung t\u00e2m b\u00e1o ch\u00e1y nh\u01b0 sau:<\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

TT<\/p>\n<\/td>\n

\n

\u0110\u1eb6C T\u00cdNH K\u1ef8 THU\u1eacT<\/p>\n<\/td>\n

\n

GI\u00c1 TR\u1eca<\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\u0110i\u1ec7n \u00e1p l\u00e0m vi\u1ec7c<\/td>\n\n

\n<\/td>\n<\/tr>\n

\n

\n<\/td>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh<\/td>\n\n

AC220VAC \/50Hz<\/p>\n<\/td>\n<\/tr>\n

\n

\n<\/td>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0Ngu\u1ed3n \u0111i\u1ec7n d\u1ef1 ph\u00f2ng<\/td>\n\n

DC24V\/0,45Ah<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

S\u1ed1 l\u01b0\u1ee3ng \u0111\u1ea7u b\u00e1o tr\u00ean 1 k\u00eanh<\/td>\n\n

\n<\/td>\n<\/tr>\n

\n

\n<\/td>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0110\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i quang<\/td>\n\n

15 chi\u1ebfc\/ k\u00eanh<\/p>\n<\/td>\n<\/tr>\n

\n

\n<\/td>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0110\u1ea7u b\u00e1o ch\u00e1y nhi\u1ec7t gia t\u0103ng<\/td>\n\n

Kh\u00f4ng h\u1ea1n ch\u1ebf<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

Kh\u1ea3 n\u0103ng ki\u1ec3m tra s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7th\u1ed1ng<\/td>\n\n

T\u1ef1 \u0111\u1ed9ng<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

Kh\u1ea3 n\u0103ng ho\u1ea1t k\u1ebft n\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi<\/td>\n\n

C\u00f3<\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

\u0110i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu m\u00f4i tr\u01b0\u1eddng l\u1eafp\u0111\u1eb7t<\/td>\n\n

00C \u00f7 500C<\/p>\n<\/td>\n<\/tr>\n

\n

6<\/p>\n<\/td>\n

S\u1ed1 l\u01b0\u1ee3ngk\u00eanh c\u1ee7a t\u1ee7 trung t\u00e2m hi\u1ec7n tr\u1ea1ng<\/td>\n\n

20 k\u00eanh<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/div>\n

 <\/p>\n

B.\u00a0\u00a0 C\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i quang.<\/strong><\/h3>\n

C\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i quang \u0111\u01b0\u1ee3c trang b\u1ecb cho c\u00e1c khu v\u1ef1c c\u00f4ng c\u1ed9ng,khu v\u1ef1c v\u0103n ph\u00f2ng v\u00e0 \u00a0trong ph\u00f2ng kho. C\u00e1c \u0111\u1ea7u b\u00e1o \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed tr\u00ean tr\u1ea7n v\u1edbi kho\u1ea3ngc\u00e1ch \u00a0theo TCVN 5738-2001.C\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i quang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi t\u00ednh n\u0103ng ch\u1ee7 y\u1ebfu ph\u00e1t hi\u1ec7n kh\u00f3i tr\u1eafng, tuy nhi\u00ean hi\u1ec7n nay nhi\u1ec1u h\u00e3ng s\u1ea3n xu\u1ea5t c\u00f3 c\u00f4ng ngh\u1ec7 cho ph\u00e9p ph\u00e1t hi\u1ec7n nhi\u1ec1u lo\u1ea1i kh\u00f3i m\u00e0u kh\u00e1c nhau trong c\u00f9ng1 \u0111\u1ea7u b\u00e1o.<\/p>\n

\u0110\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt c\u1ee7a \u0111\u1ea7u b\u00e1o kh\u00f3i quang c\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

STT<\/p>\n<\/td>\n

\n

\u0110\u1eb6C T\u00cdNH K\u1ef8 THU\u1eacT<\/p>\n<\/td>\n

\n

GI\u00c1 TR\u1eca<\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\u0110i\u1ec7n \u00e1p l\u00e0m vi\u1ec7c<\/td>\n\n

DC 15V\u00f7 30 V<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n trong tr\u1ea1ng th\u00e1i b\u00e1o \u0111\u1ed9ng<\/td>\n\n

DC 30V\u00f7 50mmA<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

Di\u1ec7n t\u00edch b\u1ea3o v\u1ec7 c\u1ee7a \u0111\u1ea7u b\u00e1o<\/td>\n\n

\n<\/td>\n<\/tr>\n

<\/td>\nH \u2264 3,5m<\/td>\n\n

100m2<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n3.5 m \u2264 h \u2264 6 m<\/td>\n\n

80m2<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o<\/td>\n\n

\n<\/td>\n<\/tr>\n

<\/td>\nH \u2264\u00a0 3.5 m<\/td>\n\n

10m<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n3.5 m \u2264 h \u2264 6 m<\/td>\n\n

8,5m<\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

Kho\u1ea3ng c\u00e1ch t\u1eeb \u0111\u1ea7u b\u00e1o \u0111\u1ebfn t\u01b0\u1eddng nh\u00e0<\/td>\n\n

\n<\/td>\n<\/tr>\n

<\/td>\nH \u2264\u00a0 3.5 m<\/td>\n\n

5m<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n3.5 m \u2264 h \u2264 6 m<\/td>\n\n

4m<\/p>\n<\/td>\n<\/tr>\n

\n

6<\/p>\n<\/td>\n

Ng\u01b0\u1ee1ng t\u00e1c \u0111\u1ed9ng<\/td>\n\n

5 % Kh\u00f3i<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

C.\u00a0 C\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y nhi\u1ec7t gia t\u0103ng.<\/strong><\/h3>\n

C\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y nhi\u1ec7t gia t\u0103ng \u0111\u01b0\u1ee3c trang b\u1ecb \u1edf c\u00e1c ph\u00f2ng b\u1ebfp, ph\u00f2ng \u0103n c\u1ee7a c\u00f4ng tr\u00ecnh nh\u1eb1m cung c\u1ea5p kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n s\u1ef1 gia t\u0103ng nhi\u1ec7t \u0111\u1ed9 m\u1ed9t c\u00e1ch nhanh ch\u00f3ng trong ph\u00f2ng b\u1ebfp v\u00e0 ph\u00f2ng \u0103n, t\u1eeb \u0111\u00f3 c\u00f3 t\u00edn hi\u1ec7u b\u00e1o ch\u00e1y v\u1ec1 t\u1ee7 trung t\u00e2m b\u00e1o ch\u00e1y.<\/p>\n

+Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y nhi\u1ec7t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo \u0111\u00fang ti\u00eau chu\u1ea9n Vi\u1ec7t Nam 5738-2001. Kho\u1ea3ng c\u00e1ch n\u00e0y kh\u00f4ng l\u1edbn h\u01a1n 7m.<\/p>\n

Chi ti\u1ebft k\u1ef9 thu\u1eadt c\u1ee7a \u0111\u1ea7u b\u00e1o ch\u00e1y nhi\u1ec7t gia t\u0103ng nh\u01b0 sau:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

STT<\/p>\n<\/td>\n

\n

\u0110\u1eb6C T\u00cdNH K\u1ef8 THU\u1eacT<\/p>\n<\/td>\n

\n

GI\u00c1 TR\u1eca<\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\u0110i\u1ec7n \u00e1p l\u00e0mvi\u1ec7c<\/td>\n\n

DC 15V\u00f7 30 V<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n trong tr\u1ea1ng th\u00e1i b\u00e1o \u0111\u1ed9ng<\/td>\n\n

DC 30V\u00f7 50mmA<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

Di\u1ec7n t\u00edch b\u1ea3o v\u1ec7 c\u1ee7a \u0111\u1ea7u b\u00e1o<\/td>\n\n

\n<\/td>\n<\/tr>\n

<\/td>\n\n

H \u2264 3,5m<\/p>\n<\/td>\n

\n

50m2<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

3.5 m \u2264 h \u2264 6 m<\/p>\n<\/td>\n

\n

25m2<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o<\/td>\n\n

\n<\/td>\n<\/tr>\n

<\/td>\n\n

H \u2264\u00a0 3.5 m<\/p>\n<\/td>\n

\n

7m<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

3.5 m \u2264 h \u2264 6 m<\/p>\n<\/td>\n

\n

5m<\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

Kho\u1ea3ng c\u00e1ch t\u1eeb \u0111\u1ea7u b\u00e1o \u0111\u1ebfn t\u01b0\u1eddng nh\u00e0<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n

H \u2264\u00a0 3.5 m<\/p>\n<\/td>\n

\n

3,5m<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

3.5 m \u2264 h \u2264 6 m<\/p>\n<\/td>\n

\n

2,5m<\/p>\n<\/td>\n<\/tr>\n

\n

6<\/p>\n<\/td>\n

Ng\u01b0\u1ee1ng t\u00e1c \u0111\u1ed9ng<\/td>\n\n

50C\/ph\u00fat<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

D.\u00a0\u00a0 N\u00fat \u1ea5n b\u00e1o ch\u00e1y.<\/strong><\/h3>\n

N\u00fat \u1ea5n b\u00e1o ch\u00e1y \u0111\u01b0\u1ee3c trang b\u1ecb \u1edf g\u1ea7n c\u00e1c c\u1eeda ra v\u00e0o, c\u00e1c l\u1ed1i tho\u00e1t n\u1ea1n c\u1ee7a c\u00f4ng tr\u00ecnh. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p v\u00e0 kh\u00f4ng gian ph\u00f2ng l\u1edbn thi kho\u1ea3ng c\u00e1ch n\u00e0y ph\u1ea3i \u0111\u1ea3m b\u1ea3o kh\u00f4ng l\u1edbn h\u01a1n 50m. Khi c\u00f3 ch\u00e1y x\u1ea3y ra, ai \u0111\u00f3 ph\u00e1t hi\u1ec7n \u0111\u00e1m ch\u00e1y th\u00ec c\u00f3 th\u1ec3 ch\u1ee7 \u0111\u1ed9ng nh\u1ea5n n\u00fat \u1ea5n n\u00e0y \u0111\u1ec3 t\u1ee7 trung t\u00e2m b\u00e1o \u0111\u1ed9ng cho m\u1ecdi ng\u01b0 \u1eddi c\u00f9ng bi\u1ebft l\u00e0 c\u00f3 ch\u00e1y.<\/p>\n

Chi ti\u1ebft k\u1ef9 thu\u1eadt c\u1ee7a n\u00fat \u1ea5n b\u00e1o ch\u00e1y nh\u01b0 sau:<\/p>\n\n\n\n\n\n
\n

STT<\/p>\n<\/td>\n

\n

\u0110\u1eb6C T\u00cdNH K\u1ef8 THU\u1eacT<\/p>\n<\/td>\n

\n

GI\u00c1 TR\u1eca<\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\u0110i\u1ec7n \u00e1p l\u00e0m vi\u1ec7c<\/td>\n\n

DC 15V \u00f7 24V<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng khi l\u00e0mvi\u1ec7c<\/td>\n\n

250mA<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

E.\u00a0 Chu\u00f4ng b\u00e1o ch\u00e1y.<\/strong><\/h3>\n

Chu\u00f4ng b\u00e1o ch\u00e1y \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong c\u00f4ng tr\u00ecnh sao cho \u0111\u1ee7 \u00e2m thanh b\u00e1o \u0111\u1ed9ng cho t\u1ea5t c\u1ea3 c\u00e1c v\u1ecb tr\u00ed, khi c\u00f3 ch\u00e1y s\u1ea3y ra t\u1ee7 trung t\u00e2m b\u00e1o ch\u00e1y s\u1ebd \u0111i\u1ec1u khi\u1ec3n chu\u00f4ng b\u00e1o ch\u00e1y ho\u1ea1t \u0111\u1ed9ng, b\u00e1o \u0111\u1ed9ng cho m\u1ecdi ng\u01b0\u1eddi bi\u1ebft l\u00e0 \u0111ang c\u00f3 ch\u00e1y x\u1ea3y ra.<\/p>\n

\u0110\u1eb7c \u00a0t\u00ednh k\u1ef9 thu\u1eadt c\u1ee7a chu\u00f4ng b\u00e1o ch\u00e1y nh\u01b0 \u00a0sau:<\/p>\n\n\n\n\n\n\n
\n

STT<\/p>\n<\/td>\n

\n

\u0110\u1eb6C T\u00cdNH K\u1ef8 THU\u1eacT<\/p>\n<\/td>\n

\n

GI\u00c1 TR\u1eca<\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\u0110i\u1ec7n \u00e1p l\u00e0m vi\u1ec7c<\/td>\nDC 15V \u00f7 24V<\/td>\n<\/tr>\n
\n

2<\/p>\n<\/td>\n

C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n khi l\u00e0m vi\u1ec7c<\/td>\n12,5mA<\/td>\n<\/tr>\n
\n

3<\/p>\n<\/td>\n

C\u01b0\u1eddng \u0111\u1ed9 \u00e2m thanh<\/td>\n100 Db<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

F.\u00a0 D\u00e2y d\u1eabn t\u00edn hi\u1ec7u v\u00e0 \u00a0c\u00e1p t\u00edn hi\u1ec7u.<\/strong><\/h3>\n

D\u00e2y t\u00edn hi\u1ec7u ph\u1ea3i l\u00e0 lo\u1ea1i d\u00e2y c\u00f3 ti\u1ebft di\u1ec7n d\u00e2y d\u1eabn ph\u00f9 h\u1ee3p v\u1edbi TCVN 5738-2001, Lo\u1ea1i d\u00e2y ph\u1ea3i c\u00f3 ti\u1ebft di\u1ec7n m\u1eb7t c\u1eaft \u00edt nh\u1ea5t l\u00e0 0,75mm2.Trong tr\u01b0\u1eddng h\u1ee3p d\u00f9ng d\u00e2y nh\u1ecf h\u01a1n th\u00ec cho ph\u00e9p t\u1ebft di\u1ec7n nhi\u1ec1u l\u00f5i nh\u1ecf th\u00e0nh1s\u1ee3i d\u00e2y c\u00f3 t\u1ed5ng di\u1ec7n t\u00edch m\u1eb7t c\u1eaft l\u00e0 0,75mm2. \u0110\u1ed1i v\u1edbi \u0111\u01b0\u1eddng c\u00e1p ch\u00ednh, cho ph\u00e9p d\u00f9ng lo\u1ea1i c\u00e1p c\u00f3 ti\u1ebft di\u1ec7n s\u1ee3i c\u00e1p l\u00e0 0,5mm2.<\/p>\n

D\u00e2y t\u00edn hi\u1ec7u b\u00e1o ch\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1edfi \u1ed1ng nh\u1ef1a PVC ch\u1ed1ng ch\u00e1y, k\u1ec3 c\u1ea3 trong tr\u01b0\u1eddng h\u1ee3p d\u00e2y d\u1eabn \u0111i \u00e2m t\u01b0\u1eddng ho\u1eb7c \u00e2m tr\u1ea7n th\u00ec c\u0169ng c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1edfi \u1ed1ng PVC n\u00f3i tr\u00ean. \u1ed0ng PVC \u00a0d\u00f9ng lo\u1ea1i D16mm v\u00e0 D32mm.<\/p>\n

G.\u00a0\u00a0 Ngu\u1ed3n \u0111i\u1ec7n cho h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y t\u1ef1 \u0111\u1ed9ng.<\/strong><\/h3>\n

Ngu\u1ed3n\u00a0 \u0111i\u1ec7n c\u1ea5p cho Trung t\u00e2m b\u00e1o ch\u00e1y b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 2 ngu\u1ed3n. 1 ngu\u1ed3n \u0111i\u1ec7n 220V xoay chi\u1ec1u v\u00e0 1 ngu\u1ed3n \u0111i\u1ec7n 24V1 chi\u1ec1u. Ngu\u1ed3n \u0111i\u1ec7n 1 chi\u1ec1u 24V l\u00e0 ngu\u1ed3n l\u1ea5y t\u1eeb \u1eafc quy d\u1ef1 ph\u00f2ng c\u1ee7a t\u1ee7 trung t\u00e2m b\u00e1o ch\u00e1y, \u1eafc quy n\u00e0y ph\u1ea3i \u0111\u1ee7 d\u1ef1 ph\u00f2ng cho t\u1ee7 trung t\u00e2m b\u00e1o ch\u00e1y ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c trong 12 gi\u1edd \u1edf ch\u1ebf \u0111\u1ed9 th\u01b0\u1eddng tr\u1ef1c v\u00e0 1 gi\u1edd \u1edf ch\u1ebf \u0111\u1ed9 b\u00e1o \u0111\u1ed9ng.<\/p>\n

2.\u00a0\u00a0 H\u1ec7 th\u1ed1ng \u0111\u00e8n chi\u1ebfu s\u00e1ng s\u1ef1 c\u1ed1 v\u00e0 \u0111\u00e8n exit.<\/strong><\/h3>\n

C\u00e1c \u0111\u00e8n chi\u1ebfu s\u00e1ng s\u1ef1 c\u1ed1 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf nhi\u1ec1u v\u1ecb tr\u00ed tr\u1ecdng y\u1ebfu trong c\u00f4ng tr\u00ecnh nh\u1eb1m cung c\u1ea5p ngu\u1ed3n s\u00e1ng khi b\u1ecb s\u1ef1 c\u1ed1 m\u1ea5t \u0111i\u1ec7n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 ch\u00e1y x\u1ea3y ra. Khi \u0111\u00f3, \u00e1nh s\u00e1ng c\u1ee7a \u0111\u00e8n s\u1ef1 c\u1ed1 s\u1ebd gi\u00fap ng\u01b0\u1eddi ch\u1ea1y tho\u00e1t n\u1ea1n \u0111\u01b0\u1ee3c nhanh h\u01a1n, ch\u00ednh x\u00e1c h\u01a1n.C\u00e1c \u0111\u00e8n n\u00e0y \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi ngu\u1ed3n \u0111i\u1ec7n l\u01b0\u1edbi 220V c\u1ee7a c\u00f4ng tr\u00ecnh v\u00e0 c\u00f3 ngu\u1ed3n \u0111i\u1ec7n d\u1ef1 ph\u00f2ng \u0111\u1ea3m b\u1ea3o chi\u1ebfu s\u00e1ng trong th\u1eddi gian t\u1ed1i thi\u1ec3u 120 ph\u00fat<\/p>\n

C\u00e1c \u0111\u00e8n ch\u1ec9 h\u01b0\u1edbng tho\u00e1t n\u1ea1n (EXIT) \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong c\u00f4ng tr\u00ecnh \u0111\u1ec3 ch\u1ec9 h\u01b0\u1edbng tho\u00e1t n\u1ea1n c\u00e1c \u0111\u00e8n n\u00e0y \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ph\u00eda tr\u00ean c\u00e1c c\u1eeda tho\u00e1t hi\u1ec3m . \u0110\u00e8n EXIT \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh 220AC v\u00e0 c\u00f3 ngu\u1ed3n \u0111i\u1ec7n d\u1ef1 ph\u00f2ng \u0111\u1ea3m b\u1ea3o chi\u1ebfu s\u00e1ng trong th\u1eddi gian t\u1ed1i thi\u1ec3u 120 ph\u00fat<\/p>\n

3.\u00a0\u00a0 H\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y b\u1eb1ng n\u01b0\u1edbc v\u00e1ch t\u01b0\u1eddng v\u00e0 tr\u1ee5 ch\u1eefa ch\u00e1y ngo\u00e0i nh\u00e0.<\/strong><\/h3>\n

-H\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y b\u1eb1ng n\u01b0\u1edbc v\u00e1ch t\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf trong c\u00f4ng tr\u00ecnh theo TCVN<\/p>\n

2622-1995 \u00a0v\u00e0 \u00a0TCVN 6160-1996 \u00a0\u0111\u1ea3m b\u1ea3o m\u1ed7i v\u1ecb tr\u00ed b\u00ean trong c\u00f4ng tr\u00ecnh c\u00f3 \u0111\u1ed3ng \u00a0th\u1eddi 2 h\u1ecdng \u00a0n\u01b0\u1edbc ch\u1eefa ch\u00e1y phun t\u1edbi. Cu\u1ed9n v\u00f2i d\u00f9ng cho h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y v\u00e1ch t\u01b0\u1eddng l\u00e0 cu\u1ed9n v\u00f2i theo TCVN c\u00f3 \u0111\u01b0\u1eddng k\u00ednh D50mm v\u00e0 chi\u1ec1u d\u00e0i 20m.<\/p>\n

-C\u00e1c h\u1ecdng n\u01b0\u1edbc ch\u1eefa ch\u00e1y v\u00e1ch t\u01b0\u1eddng \u0111\u01b0\u1ee3c trang b\u1ecb trong c\u00f4ng tr\u00ecnh \u1edf c\u00e1c v\u1ecb tr\u00ed g\u1ea7n v\u1edbi c\u1eeda ra v\u00e0o v\u00e0 \u1edf g\u1ea7n h\u00e0nh lang c\u1ee7a c\u00f4ng tr\u00ecnh. C\u00e1c h\u1ecdng n\u01b0\u1edbc ch\u1eefa ch\u00e1y v\u00e1ch t\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t b\u00ean trong 1 h\u1ed9p c\u1ee9u h\u1ecfa. H\u1ed9p n\u00e0y \u00a0bao g\u1ed3m c\u1ea3 cu\u1ed9n v\u00f2i ch\u1eefa ch\u00e1y, m\u1ed9t l\u0103ng phun ch\u1eefa ch\u00e1y.<\/p>\n

+Tr\u1ee5 ch\u1eefa ch\u00e1y: Tr\u1ee5 ch\u1eefa ch\u00e1y ngo\u00e0i nh\u00e0 \u0111\u01b0\u1ee3c \u0111\u1ea5u n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc ch\u1eefa ch\u00e1y \u00a0b\u00ean trong c\u00f4ng tr\u00ecnh. Khi c\u00f3 ch\u00e1y s\u1ea3y ra, tr\u1ee5 ch\u1eefa ch\u00e1y ngo\u00e0i nh\u00e0 c\u00f3 nhi\u1ec7m v\u1ee5 ch\u1eefa ch\u00e1y cho \u00a0b\u00ean \u00a0ngo\u00e0i c\u00f4ng tr\u00ecnh, ng\u0103n kh\u00f4ng cho \u0111\u00e1m ch\u00e1y lan sang c\u00e1c khu v\u1ef1c l\u1eadn c\u1eadn.<\/p>\n

C\u1ea5u tr\u00fac c\u1ee5 th\u1ec3 c\u1ee7a h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y v\u00e1ch t\u01b0\u1eddng v\u00e0 tr\u1ee5 ch\u1eefa ch\u00e1y ngo\u00e0i nh\u00e0.<\/p>\n

A.\u00a0\u00a0 M\u00e1y b\u01a1m ch\u1eefa ch\u00e1y \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n v\u00e0 \u0111\u1ed9ng c\u01a1 x\u0103ng.<\/strong><\/h4>\n

M\u00e1y \u00a0b\u01a1m ch\u1eefa ch\u00e1y ch\u00ednh \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n v\u00e0 d\u1ef1 ph\u00f2ng \u0111\u1ed9ng c\u01a1 d\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i ph\u00f2ng b\u01a1m c\u1ee7a c\u00f4ng tr\u00ecnh. \u00a0M\u00e1y c\u00f3 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ee7 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ea5p n\u01b0\u1edbc ch\u1eefac h\u00e1y cho c\u1ea3 trong nh\u00e0 v\u00e0 ngo\u00e0i nh\u00e0.<\/p>\n

B.\u00a0\u00a0 T\u1ee7 \u0111i\u1ec1u khi\u1ec3n tr\u1ea1m b\u01a1m ch\u1eefa ch\u00e1y.<\/strong><\/h4>\n

T\u1ee7 \u0111i\u1ec1u khi\u1ec3n c\u00e1c m\u00e1y \u00a0b\u01a1m ch\u1eefa ch\u00e1y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ee7 cho 2 m\u00e1y \u00a0b\u01a1m \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00f4ng su\u1ea5t l\u1edbn nh\u1ea5t<\/p>\n

C.\u00a0\u00a0 Kh\u1edbp n\u1ed5i m\u1ec1m ch\u1ed1ng rung<\/strong><\/h4>\n

Kh\u1edbp n\u1ed1i m\u1ec1m ch\u1ed1ng rung \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ngay t\u1ea1i 2 \u0111\u1ea7u c\u1ee7a m\u00e1y b\u01a1m. Trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u01a1m, l\u00fac kh\u1edfi \u0111\u1ed9ng c\u0169ng nh\u01b0 l\u00fac d\u1eebng th\u01b0\u1eddng t\u1ea1o ra m\u1ed9t s\u1ef1 rung \u0111\u1ed9ng r\u1ea5t l\u1edbn. Kh\u1edbp n\u1ed1i m\u1ec1m ch\u1ed1ng rung s\u1ebd gi\u00fap b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng \u1ed1ng tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng t\u00e1c \u0111\u1ed9ng x\u1ea5u t\u1eeb vi\u1ec7c rung \u0111\u1ed9ng tr\u00ean g\u00e2y ra.<\/p>\n

D.\u00a0\u00a0 H\u1ecdng n\u01b0\u1edbc ch\u1eefa ch\u00e1y v\u00e1ch t\u01b0\u1eddng<\/strong><\/h4>\n

H\u1ecdng n\u01b0\u1edbc ch\u1eefa ch\u00e1y v\u00e1ch t\u01b0\u1eddng \u0111\u01b0\u1ee3c trang b\u1ecb \u1edf c\u00e1c v\u1ecb tr\u00ed g\u1ea7n c\u1eeda ra v\u00e0o v\u00e0 \u1edf h\u00e0nh lang c\u00f4ng tr\u00ecnh. \u00a0M\u1ed7i h\u1ecdng bao g\u1ed3m 1 van g\u00f3c chuy\u00ean d\u1ee5ng v\u00e0 1 kh\u1edbp n\u1ed1i ren trong c\u00f3 \u0111\u1ea7u n\u1ed1i ph\u00f9 h\u1ee3p v\u1edbi TCVN 5739 -1993.<\/p>\n

E.\u00a0\u00a0 Cu\u1ed9n v\u00f2i m\u1ec1m ch\u1eefa ch\u00e1y<\/strong><\/h4>\n

Cu\u1ed9n v\u00f2i m\u1ec1m ch\u1eefa ch\u00e1y c\u00f3 chi\u1ec1u d\u00e0i 20m v\u00e0 \u00a0c\u00f3 \u0111\u01b0\u1eddng k\u00ednh D50mm, m\u1ed7i cu\u1ed9n v\u00f2i c\u00f3<\/p>\n

2 kh\u1edbp \u00a0n\u1ed1i \u00a0nhanh \u1edf hai \u0111\u1ea7u theo TCVN 5739-1993.<\/p>\n

F.\u00a0\u00a0 L\u0103ng phun n\u01b0\u1edbc ch\u1eefa ch\u00e1y.<\/strong><\/h4>\n

L\u0103ng phun n\u01b0\u1edbc ch\u1eefa ch\u00e1y \u00a0c\u00f3 2 \u0111\u1ea7u , 1 \u0111\u1ea7u l\u1eafp kh\u1edbp n\u1ed1i nhanh theo TCVN5739-1993, \u0111\u1ea7u c\u00f2n l\u1ea1i l\u00e0 \u0111\u1ea7u phun nu\u1edbc c\u00f3 \u0111\u01b0\u1eddng k\u00ednh D13mm.<\/p>\n

G.\u00a0\u00a0 H\u1ed9p c\u1ee9u h\u1ecfa<\/strong><\/h4>\n

H\u1ed9p c\u1ee9u h\u1ecfa l\u00e0 h\u1ed9p ch\u1ee9a h\u1ecdng n\u01b0\u1edbc ch\u1eefa ch\u00e1y v\u00e1ch t\u01b0\u1eddng, cu\u1ed9n v\u00f2i v\u00e0 l\u0103ng phun ch\u1eefa ch\u00e1y trong \u00a0\u0111\u00f3.<\/p>\n

H.\u00a0\u00a0 Van m\u1ed9t chi\u1ec1u<\/strong><\/h4>\n

Van m\u1ed9t chi\u1ec1u \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i \u0111\u1ea7u \u0111\u1ea9y c\u1ee7a c\u00e1c m\u00e1y b\u01a1m ch\u1eefa ch\u00e1y. C\u00e1c van n\u00e0y gi\u00fap ch\u1ed1ng h\u1ed3i ng\u01b0\u1ee3c \u00e1p su\u1ea5t t\u1eeb \u0111\u01b0\u1eddng \u1ed1ng v\u00e0o m\u00e1y b\u01a1m.<\/p>\n

I. Van ch\u1eb7n<\/strong><\/h4>\n

T\u1ea1i \u0111\u01b0\u1eddng \u0111\u1ea9y v\u00e0 \u0111\u01b0\u1eddng h\u00fat c\u1ee7a c\u00e1c m\u00e1y b\u01a1m ch\u1eefa ch\u00e1y \u0111\u01b0\u1ee3c l\u1eafp 1 van ch\u1eb7n, c\u00e1c van n\u00e0y c\u00f3 \u00a0t\u00e1c d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p s\u1eeda ch\u1eefa ho\u1eb7c thay th\u1ebf m\u00e1y b\u01a1m.<\/p>\n

J. \u0110\u1ed3ng h\u1ed3 \u0111o \u00e1p l\u1ef1c.<\/strong><\/h4>\n

K. \u0110\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc ch\u1eefa ch\u00e1y.<\/strong><\/h4>\n

\u0110\u01b0\u1eddng \u00a0\u1ed1ng \u00a0c\u1ea5p n\u01b0\u1edbc ch\u1eefa ch\u00e1y \u0111\u01b0\u1ee3c ch\u00f4n ng\u1ea7m trong \u0111\u1ea5t kh\u00e1 nhi\u1ec1u, do \u0111\u00f3 \u0111\u01b0\u1eddng \u1ed1ng c\u1ea7n thi\u1ebft ph\u1ea3i d\u00f9ng \u1ed1ng m\u1ea1 k\u1ebdm \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd l\u00e2u d\u00e0i. \u1ed4ng c\u1ea5p n\u01b0\u1edbc ch\u1eefa ch\u00e1y l\u00e0 lo\u1ea1i \u1ed1ng th\u00e9p tr\u00e1ng k\u1ebdm theo ti\u00eau chu\u1ea9n BS 1387\u20141985.<\/p>\n

L. Tr\u1ee5 n\u01b0\u1edbc ch\u1eefa ch\u00e1y ngo\u00e0i nh\u00e0.<\/strong><\/h4>\n

Tr\u1ee5 n\u01b0\u1edbc ch\u1eefa ch\u00e1y ngo\u00e0i \u00a0nh\u00e0 \u00a0\u0111\u01b0\u1ee3c trang b\u1ecb \u1edf v\u1ecb tr\u00ed g\u1ea7n ch\u1ed7 \u0111\u1ec3 xe c\u1ee7a c\u00e1n b\u1ed9 c\u00f4ng nh\u00e2n vi\u00ean. Tr\u1ee5 n\u01b0\u1edbc ch\u1eefa ch\u00e1y ngo\u00e0i nh\u00e0 bao g\u1ed3m 2 kh\u1edbp n\u1ed1i ren trong c\u00f3 \u0111\u1ea7u n\u1ed1i ph\u00f9 h\u1ee3p v\u1edbi TCVN5739-1993. H\u1ed9p \u0111\u1ef1ng \u00a0ph\u01b0\u01a1ng ti\u1ec7n ch\u1eefa ch\u00e1y ngo\u00e0i nh\u00e0 bao g\u1ed3m 2 cu\u1ed9n v\u00f2i m\u1ec1m ch\u1eefa ch\u00e1y D65 d\u00e0i 20m, m\u1ed7i cu\u1ed9n v\u00f2i c\u00f3 kh\u1edbp n\u1ed1i nhanh, l\u0103ng phun \u00a0D65\/19mm<\/p>\n

4. Trang b\u1ecb c\u00e1c b\u00ecnh ch\u1eefa ch\u00e1y cho c\u00f4ng tr\u00ecnh.<\/strong><\/h3>\n

4.1 B\u00ecnh \u00a0ch\u1eefa \u00a0ch\u00e1y b\u1eb1ng b\u1ed9t \u00a0t\u1ed5ng h\u1ee3p ABC lo\u1ea1i 4kg.<\/em><\/strong><\/h4>\n

C\u00e1c b\u00ecnh \u00a0n\u00e0y \u0111\u01b0\u1ee3c trang b\u1ecb t\u1ea1i nhi\u1ec1u v\u1ecb tr\u00ed trong c\u00f4ng tr\u00ecnh, \u1edf c\u00e1c v\u1ecb tr\u00ed g\u1ea7n l\u1ed1i ra v\u00e0o c\u1ee7a c\u00f4ng \u00a0tr\u00ecnh.<\/p>\n

Ch\u1ea5t ch\u1eefa ch\u00e1y \u00a0trong b\u00ecnh l\u00e0 b\u1ed9t t\u1ed5ng h\u1ee3p lo\u1ea1i ABC , theo ti\u00eau chu\u1ea9n th\u00ec b\u1ed9t n\u00e0y c\u00f3 th\u1ec3 ch\u1eefa \u00a0ch\u00e1y t\u1ed1t \u00a0cho c\u00e1c ch\u1ea5t ch\u00e1y d\u1ea1ng r\u1eafn, \u00a0l\u1ecfng v\u00e0 kh\u00ed.<\/p>\n

4.2 B\u00ecnh ch\u1eefa ch\u00e1y b\u1eb1ng kh\u00ed C02 lo\u1ea1i 3 kg.<\/em><\/strong><\/h4>\n

C\u00e1c b\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf c\u00e1c v\u1ecb tr\u00ed b\u00ean c\u1ea1nh c\u00e1c b\u00ecnh b\u1ed9t ABC nh\u01b0 tr\u00ean.<\/p>\n

Ch\u1ea5t ch\u1eefa ch\u00e1y l\u00e0 kh\u00ed C02 \u0111\u01b0\u1ee3c n\u00e9n v\u00e0o trong b\u00ecnh. Ch\u1ea5t ch\u1eefa ch\u00e1y C02\u00a0 c\u00f3 t\u00e1c d\u1ee5ng ch\u1eefa ch\u00e1y c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n.<\/p>\n

5.\u00a0\u00a0 T\u00ednh to\u00e1n th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a h\u1ec7 th\u1ed1ng.<\/strong><\/h3>\n

5.1 T\u00ednh to\u00e1n th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u00a0c\u1ee7a m\u00e1y b\u01a1m \u00a0c\u1ea5p \u00a0n\u01b0\u1edbc ch\u1eefa ch\u00e1y.<\/em><\/strong><\/h4>\n

Theo TCVN 2622-1995 th\u1ec9 ph\u1ea3i t\u00ednh to\u00e1n 2 h\u1ecdng n\u01b0\u1edbc ch\u1eefa ch\u00e1y v\u00e1ch t\u01b0\u1eddng phun cho<\/p>\n

1 \u0111\u00e1m ch\u00e1y,v\u00ec ta s\u1eed d\u1ee5ng lo\u1ea1i h\u1ecdng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh D50 do v\u1eady l\u01b0u l\u01b0\u1ee3ng c\u1ee7a h\u1ecdng l\u00e0 Qtn = 2,5 (1\/s) v\u00e0 1 tr\u1ee5 ch\u1eefa ch\u00e1y ngo\u00e0i nh\u00e0 l\u01b0u l\u01b0\u1ee3ng Qnn= 10 (1\/s)<\/p>\n

\u00c1p d\u1ee5ng theoTCVN7336:2003 th\u00ec l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc s\u1eed d\u1ee5ng cho h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y<\/p>\n

Sprinkler t\u1ef1 \u0111\u1ed9ng cho c\u00f4ng tr\u00ecnh l\u00e0 Qt\u0111=0,24*240=57.6 (1\/s).<\/p>\n

T\u1ed5ng c\u1ed9ng l\u01b0u l\u01b0\u1ee3ng ch\u1eefa ch\u00e1y c\u1ee7a m\u00e1y b\u01a1m ph\u1ea3i t\u00ednh to\u00e1n l\u00e0:<\/p>\n

Q=10+2.5+57.6=70.1(l\/s)<\/p>\n

T\u00ednh to\u00e1n c\u1ed9t \u00e1p c\u1ea7n thi\u1ebft c\u1ee7a m\u00e1y b\u01a1m nh\u01b0 sau:<\/p>\n

-\u00c1p d\u1ee5ng c\u00f4ng th\u1ee9c Hcc= H+Htt+ Hl(1)<\/p>\n

Trong \u0111\u00f3: Ha,: Chi\u1ec1u cao c\u1ed9t \u00e1p c\u1ea7n thi\u1ebft c\u1ee7a m\u00e1y b\u01a1m ch\u1eefa ch\u00e1y<\/p>\n

H: Chi\u1ec1u cao h\u00ecnh h\u1ecdc c\u1ee7a h\u1ecdng n\u01b0\u1edbc so v\u1edbi m\u00e1y b\u01a1m ch\u1eefa ch\u00e1y, chi\u1ec1u cao h\u00ecnh h\u1ecdc l\u00e0:<\/p>\n

Htt: T\u1ed5n th\u1ea5t c\u1ed9t \u00e1p tr\u00ean \u0111\u01b0\u1eddng \u1ed1ng.<\/p>\n

Hl:Chi\u1ec1u cao c\u1ed9t n\u01b0\u1edbc khi ra kh\u1ecfi \u0111\u1ea7u l\u0103ng (b\u1eb1ng chi\u1ec1u cao c\u1ee7a ph\u1ea7n cao nh\u1ea5t c\u1ee7a c\u00f4ng tr\u00ecnh nh\u01b0ng kh\u00f4ng nh\u1ecf h\u01a1n 6m).\u1ede\u00a0 \u0111\u00e2y ,l\u1ea5y b\u1eb1ng 10 Theo ti\u00eau chu\u1ea9n Vi\u1ec7t Nam TCVN4513-1998 ta c\u00f3. Htt= Hd+ Hcb. (2)<\/p>\n

Trong \u0111\u00f3:\u00a0 Hd: T\u1ed5n th\u1ea5t c\u1ed9t \u00e1p theo chi\u1ec1u d\u00e0i \u0111\u01b0\u1eddng\u1ed1ng<\/p>\n

Hcb: C\u1ed9t \u00e1p t\u1ed5n hao c\u1ee5c b\u1ed9 (theo TCVN4513-1998 th\u00ec Hcb=10%Hd)<\/p>\n

M\u00e0 Hd=LxQ2xA (3)<\/p>\n

Trong \u0111\u00f3:<\/p>\n

L: Chi\u1ec1u d\u00e0i \u0111\u01b0\u1eddng \u1ed1ng t\u1eeb tr\u1ea1m b\u01a1m t\u1edbi v\u1ecb tr\u00ed t\u00ednh to\u00e1n<\/p>\n

Q:L\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc trong \u00a0\u0111\u01b0\u1eddng \u1ed1ng.<\/p>\n

A: H\u1ec7 s\u1ed1 s\u1ee9c c\u1ea3n \u0111\u01b0\u1eddng \u1ed1ng. V\u1edbi \u1ed1ng D100 th\u00ec A= 0,000267.<\/p>\n

-T\u1eeb (2)v\u00e0 (3) tac\u00f3:<\/p>\n

Htt=L x Q x A x 1,1 =90 x 31 x 0,000267 x 1,1 =0.74 m. \u00c1p d\u1ee5ng v\u00e0o (1) ta c\u00f3:<\/p>\n

H =20 + 0.74 +15=36 m<\/p>\n

Theo t\u00ednh to\u00e1n tr\u00ean, ta ch\u1ecdn \u00a0m\u00e1y b\u01a1m cho h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y v\u00e1ch t\u01b0\u1eddng v\u00e0 t\u1ef1 \u0111\u1ed9ng l\u00e0 m\u00e1y b\u01a1m ch\u1eefa ch\u00e1y ch\u1ea1y \u0111i\u1ec7n v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt nh\u01b0 sau :<\/p>\n

\u0110i\u1ec7n \u00e1p : 380VAC\/3pha\/50Hz.<\/p>\n

\u00c1p l\u1ef1c : H=36m<\/p>\n

L\u01b0u l\u01b0\u1ee3ngQ=70.1\/s\u00a0 =252.36m3\/h.<\/p>\n

Ch\u1ecdn \u00a0m\u00e1y b\u01a1m:<\/p>\n

01 m\u00e1y b\u01a1m ch\u1eefa ch\u00e1y \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n Q =252m3\/h , H=46.1m N=37kw;<\/p>\n

01 m\u00e1y b\u01a1m d\u1ef1 ph\u00f2ng \u0111\u1ed9ng c\u01a1\u00a0 Desel Q=255m3\/h , H=62m N=55kw;<\/p>\n

01 m\u00e1y b\u01a1m b\u00f9 \u00e1p Q=5m3\/h, H=90m N=3Kw<\/p>\n

5.2 T\u00ednh to\u00e1n dung t\u00edch b\u1ec3 n\u01b0\u1edbc cho ch\u1eefa ch\u00e1y.<\/p>\n

Theo TCVN 2622-1995 v\u00e0 hi\u1ec7n t\u1ea1i giai \u0111o\u1ea1n 1 \u0111\u00e3 c\u00f3 tr\u1ee5 ti\u1ebfp n\u01b0\u1edbc v\u00e0 tr\u1ee5 ch\u1eefa ch\u00e1y ngo\u00e0i nh\u00e0 n\u00ean l\u01b0\u1ee3ng n\u01b0\u1edbc d\u00f9ng cho h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 sau; v\u00e1ch t\u01b0\u1eddng ph\u1ea3i \u0111\u1ee7 c\u1ea5p cho 1 h\u1ecdng n\u01b0\u1edbc(c\u00f3 l\u01b0u l\u01b0\u1ee3ng 2.51\/s) d\u00f9ng li\u00ean t\u1ee5c trong 1 gi\u1edd, v\u00e0 cho h\u1ec7 th\u1ed1ng tr\u1ee5 ch\u1eefa ch\u00e1y ngo\u00e0i \u00a0nh\u00e0 ph\u1ea3i \u0111\u1ee7 c\u1ea5p cho tr\u1ee5 l\u00e0 10 1\/s d\u00f9ng li\u00ean t\u1ee5c trong 3gi\u1edd. Nh\u01b0 v\u1eady t\u1ed5ng c\u1ed9ng th\u1ec3 t\u00edch \u0111\u00f3 l\u00e0 (2.5 x3600x1) +(57x3600x1)= 9+207= 216m3<\/p>\n

V\u1eady dung t\u00edch b\u1ec3 n\u01b0\u1edbc ch\u1eefa ch\u00e1y l\u00e0 216m3.<\/p>\n

K<\/strong>\u1ebe<\/strong>T LU\u1eacN-KI\u1ebeN NGH\u1eca<\/strong><\/h2>\n

Nh\u00e0 m\u00e1y SEOUL METAL G\u0110 2 \u0111\u01b0\u1ee3c \u0111\u1ea7u t\u01b0 x\u00e2y d\u1ef1ng v\u1edbi m\u1ed9t h\u1ec7 th\u1ed1ng c\u01a1 s\u1edf v\u1eadt ch\u1ea5t \u0111\u1ed3ng b\u1ed9, c\u00f3 ki\u1ebfn tr\u00fac \u0111\u1eb9p hi\u1ec7n \u0111\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi quy ho\u1ea1ch ki\u1ebfn tr\u00fac c\u1ee7a khu c\u00f4ng nghi\u1ec7p Y\u00ean Phong, \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ec1n v\u1eefng, \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c y\u00eau c\u1ea9u v\u1ec1 s\u1ea3n xu\u1ea5t, ph\u00f2ng ch\u1ed1ng ch\u00e1yn\u1ed5, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n

\u0110\u1ec3 d\u1ef1 \u00e1n x\u00e2y d\u1ef1ng Nh\u00e0 m\u00e1y SEOUL METAL G\u0110 2 \u0111\u01b0\u1ee3c tri\u1ec3n khai, k\u00ednh mong c\u00e1c c\u01a1 quan ch\u1ee9c n\u0103ng xem x\u00e9t, ph\u00ea duy\u1ec7t t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n c\u00e1c th\u1ee7 t\u1ee5c \u0111\u1ea7u t\u01b0, tri\u1ec3n khai x\u00e2y d\u1ef1ng v\u00e0 \u0111\u01b0a c\u00f4ng tr\u00ecnh v\u00e0o khai th\u00e1c, v\u1eadn h\u00e0nh s\u1edbm, gi\u00fap k\u1ecbp th\u1eddi tri\u1ec3n khai c\u00e1c b\u01b0\u1edbc ti\u1ebfp theo c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n

C\u00e2u h\u1ecfi :<\/strong><\/em> l\u01b0\u1edbi an to\u00e0n ban c\u00f4ng<\/strong><\/em><\/span>
\nM\u1eadt kh\u1ea9u:<\/strong> 11XX2021 (8 k\u00fd t\u1ef1 s\u1ed1)<\/strong><\/em>\u00a0. Xem c\u00e1ch t\u1ea3i ph\u00eda d\u01b0\u1edbi.<\/em><\/p>\n

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

Download Thuy\u1ebft minh thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt H\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y cho nh\u00e0 m\u00e1y KCV Vina M\u1eadt kh\u1ea9u : Cu\u1ed1i b\u00e0i vi\u1ebft C\u1ed8NG H\u00d2A X\u00c3 H\u1ed8I CH\u1ee6 NGH\u0128A VI\u1ec6T NAM \u0110\u1ed9c l\u1eadp t\u1ef1 do \u2013 H\u1ea1nh ph\u00fac —–o0o—– H\u00e0 N\u1ed9i\u2026 ng\u00e0y\u2026th\u00e1ng\u2026n\u0103m 2015 THUY\u1ebeT MINH K\u1ef8 THU\u1eacT H\u1ec6 TH\u1ed0NG PH\u00d2NG CH\u00c1Y V\u00c0 CH\u1eeeA CH\u00c1Y…<\/p>\n","protected":false},"author":1,"featured_media":4067,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-17","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/17","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17"}],"version-history":[{"count":5,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/17\/revisions"}],"predecessor-version":[{"id":9702,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/17\/revisions\/9702"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/media\/4067"}],"wp:attachment":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}