{"id":896,"date":"2015-01-08T08:09:48","date_gmt":"2015-01-08T08:09:48","guid":{"rendered":"http:\/\/codienlanh.com\/?p=896"},"modified":"2015-01-19T10:19:18","modified_gmt":"2015-01-19T10:19:18","slug":"he-thong-chua-chay","status":"publish","type":"post","link":"https:\/\/codienlanh.com\/en\/he-thong-chua-chay\/","title":{"rendered":"(Ti\u1ebfng Vi\u1ec7t) H\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y"},"content":{"rendered":"

C\u00e1c h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y<\/a> ph\u1ed5 bi\u1ebfn hi\u1ec7n nay.<\/h2>\n

I. H\u1ec7 Th\u1ed1ng Ch\u1eefa Ch\u00e1y<\/a> B\u00e1n T\u1ef1 \u0110\u1ed9ng<\/strong><\/p>\n

\"h\u1ec7<\/a><\/p>\n

H\u1ed9p ch\u1eefa ch\u00e1y<\/strong><\/a> v\u1edbi cu\u1ed9n v\u00f2i \u0111\u01b0\u1eddng k\u00ednh 45 mm. Ti\u00eau chu\u1ea9n UNE-EN 671\/2. Cofem s\u1ea3n xu\u1ea5t. Model P6420 v\u1edbi cu\u1ed9n v\u00f2i 20 meters. G\u1ed3m: H\u1ed9p vu\u00f4ng n\u1eb1m ngang, khung tang quay, cu\u1ed9n v\u00f2i, van c\u1ea7u, \u0111\u1ed3ng h\u1ed3 \u00e1p l\u1ef1c, v\u00f2i phun, ki\u1ebfng.<\/p>\n

H\u1ed9p ch\u1eefa ch\u00e1y v\u1edbi cu\u1ed9n v\u00f2i \u0111\u01b0\u1eddng k\u00ednh 45 mm. Ti\u00eau chu\u1ea9n UNE-EN 671\/2. Cofem s\u1ea3n xu\u1ea5t. Model MV5015 v\u1edbi cu\u1ed9n v\u00f2i 15 meters. G\u1ed3m: H\u1ed9p vu\u00f4ng \u0111\u1ee9ng, cu\u1ed9n v\u00f2i, van c\u1ea7u, \u0111\u1ed3ng h\u1ed3 \u00e1p l\u1ef1c, v\u00f2i phun, ki\u1ebfng.<\/p>\n

\"h\u1ec7<\/a><\/p>\n

H\u1ed9p ch\u1eefa ch\u00e1y v\u1edbi cu\u1ed9n v\u00f2i \u0111\u01b0\u1eddng k\u00ednh 25 mm. Ti\u00eau chu\u1ea9n UNE-EN 671\/1. Cofem s\u1ea3n xu\u1ea5t. Models B3 v\u00e0 B3S v\u1edbi cu\u1ed9n v\u00f2i semi-grid d\u00e0i 20 meters. G\u1ed3m: H\u1ed9p vu\u00f4ng n\u1eb1m ngang, khung tang quay, cu\u1ed9n v\u00f2i, tay c\u1ea7m, van, \u0111\u1ed3ng h\u1ed3 \u00e1p l\u1ef1c, v\u00f2i phun, c\u00f2 s\u00fang, ki\u1ebfng.<\/p>\n

II. H\u1ec7 Th\u1ed1ng Ch\u1eefa Ch\u00e1y Sprinkler<\/strong><\/p>\n

H\u1ec7 Th\u1ed1ng Ch\u1eefa Ch\u00e1y Sprinkler l\u00e0 lo\u1ea1i h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y ph\u1ed5 bi\u1ebfn nh\u1ea5t h\u1ecb\u1ec7n nay.
N\u00f3 d\u1eadp t\u1eaft \u0111\u00e1m ch\u00e1y b\u1eb1ng c\u00e1ch phun n\u01b0\u1edbc tr\u1ef1c ti\u1ebfp v\u00e0o khu v\u1ef1c \u0111ang ch\u00e1y m\u00e0 t\u1ea1i \u0111\u00f3 \u0111\u1ea7u phun sprinkler b\u1ecb k\u00edch ho\u1ea1t \u1edf ng\u01b0\u1ee1ng nhi\u1ec7t \u0111\u1ed9 \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc.<\/p>\n

\"H\u1ec7<\/a><\/p>\n

H\u1ec7 Th\u1ed1ng Sprinkler l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng li\u00ean k\u1ebft c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng ch\u1ea1y ng\u1ea7m d\u01b0\u1edbi \u0111\u1ea5t v\u00e0 tr\u00ean m\u1eb7t \u0111\u1ea5t, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo nh\u1eefng ti\u00eau chu\u1ea9n c\u1ee7a c\u00f4ng ngh\u1ec7 ch\u1eefa ch\u00e1y. C\u00f3 th\u1ec3 b\u1ed1 tr\u00ed m\u1ed9t ho\u1eb7c nhi\u1ec1u ngu\u1ed3n c\u1ea5p n\u01b0\u1edbc t\u1ef1 \u0111\u1ed9ng. Ph\u1ea7n h\u1ec7 th\u1ed1ng n\u1eb1m tr\u00ean m\u1eb7t \u0111\u1ea5t l\u00e0 m\u1ed9t m\u1ea1ng \u0111\u01b0\u1eddng \u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo nguy\u00ean t\u1eafc ”t\u00ednh to\u00e1n th\u1ee7y l\u1ef1c” ho\u1eb7c nguy\u00ean t\u1eafc ”\u0111\u1ecbnh c\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng”, v\u00e0 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t b\u00ean trong m\u1ed9t building, m\u1ed9t c\u00f4ng tr\u00ecnh ki\u1ebfn tr\u00fac, ho\u1eb7c m\u1ed9t khu v\u1ef1c, m\u00e0 nh\u00ecn chung, n\u00f3 n\u1eb1m cao q\u00faa \u0111\u1ea7u, v\u00e0 tr\u00ean \u0111\u01b0\u1eddng \u1ed1ng \u1ea5y, nh\u1eefng \u0111\u1ea7u sprinklers \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed sao cho khi phun n\u01b0\u1edbc ra, n\u00f3 bao tr\u00f9m m\u1ed9t v\u00f9ng kh\u00f4ng gian \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n tr\u01b0\u1edbc. Van \u0111i\u1ec1u khi\u1ec3n m\u1ed7i riser c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean riser ho\u1eb7c tr\u00ean \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc cho n\u00f3. M\u1ed7i riser c\u1ee7a h\u1ec7 th\u1ed1ng sprinkler g\u1ed3m c\u00f3 m\u1ed9t thi\u1ebft b\u1ecb k\u00edch ho\u1ea1t b\u00e1o \u0111\u1ed9ng khi h\u1ec7 th\u1ed1ng kh\u1edfi \u0111\u1ed9ng v\u1eadn h\u00e0nh ch\u1eefa ch\u00e1y. Th\u01b0\u1eddng th\u00ec h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1eb1ng nhi\u1ec7t ph\u00e1t ra t\u1eeb \u0111\u00e1m ch\u00e1y, v\u00e0 n\u00f3 phun n\u01b0\u1edbc ra ph\u1ee7 tr\u00ean khu v\u1ef1c c\u00f3 ch\u00e1y.<\/p>\n

C\u00f3 nhi\u1ec1u lo\u1ea1i h\u1ec7 th\u1ed1ng sprinkler:<\/p>\n

Wet Pipe System H\u1ec7 Th\u1ed1ng C\u00f3 N\u01b0\u1edbc. L\u00e0 h\u1ec7 th\u1ed1ng sprinkler c\u00f3 c\u00e1c \u0111\u1ea7u sprinklers t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o h\u1ec7 th\u1ed1ng \u0110\u01af\u1edcNG \u1ed0NG C\u00d3 CH\u1ee8A S\u1eb4N N\u01af\u1edaC, v\u00e0 n\u1ed1i k\u1ebft v\u1edbi ngu\u1ed3n n\u01b0\u1edbc, nh\u1edd \u0111\u00f3, n\u01b0\u1edbc s\u1ebd phun ra ngay l\u1eadp t\u1ee9c, qua c\u00e1c sprinklers \u0111\u00e3 m\u1edf do nhi\u1ec7t t\u1eeb \u0111\u00e1m ch\u00e1y ph\u00e1t ra k\u00edch ho\u1ea1t.<\/p>\n

\"Wet<\/a><\/p>\n

Dry Pipe System (H\u1ec7 Th\u1ed1ng Kh\u00f4). L\u00e0 h\u1ec7 th\u1ed1ng sprinkler c\u00f3 c\u00e1c \u0111\u1ea7u sprinklers t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o h\u1ec7 th\u1ed1ng \u0110\u01af\u1edcNG \u1ed0NG C\u00d3 CH\u1ee8A kh\u00f4ng kh\u00ed ho\u1eb7c nitrogen \u0111\u01b0\u1ee3c duy tr\u00ec b\u1edfi \u00e1p l\u1ef1c, v\u00e0 khi sprinklers \u0111\u00e3 m\u1edf do nhi\u1ec7t t\u1eeb \u0111\u00e1m ch\u00e1y ph\u00e1t ra k\u00edch ho\u1ea1t, kh\u00ed b\u00ean trong \u0111\u01b0\u1eddng \u1ed1ng tho\u00e1t ra, cho ph\u00e9p \u00e1p l\u1ef1c n\u01b0\u1edbc l\u00e0m m\u1edf dry pipe valve. Nh\u1edd \u0111\u00f3, n\u01b0\u1edbc ch\u1ea3y v\u00e0o h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng, v\u00e0 r\u1ed3i phun n\u01b0\u1edbc ra qua c\u00e1c sprinkler \u0111\u00e3 m\u1edf<\/p>\n

\"Dry<\/a><\/p>\n

Preaction System (H\u1ec7 Th\u1ed1ng K\u00edch Ho\u1ea1t Tr\u01b0\u1edbc). L\u00e0 h\u1ec7 th\u1ed1ng sprinkler c\u00f3 c\u00e1c \u0111\u1ea7u sprinklers t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 ch\u1ee9a kh\u00f4ng kh\u00ed, c\u00f3 th\u1ec3 c\u00f3 ho\u1eb7c kh\u00f4ng c\u00f3 \u00e1p l\u1ef1c, v\u00e0 c\u00f3 m\u1ed9t h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y b\u1ed5 sung \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i c\u00f9ng nh\u1eefng v\u1ecb tr\u00ed c\u00f3 \u0111\u1eb7t \u0111\u1ea7u sprinkler. Khi h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y k\u00edch ho\u1ea1t, n\u00f3 s\u1ebd m\u1edf van cho ph\u00e9p n\u01b0\u1edbc ch\u1ea3y v\u00e0o h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng, v\u00e0 r\u1ed3i phun n\u01b0\u1edbc ra qua c\u00e1c sprinkler \u0111\u00e3 m\u1edf.<\/p>\n

Deluge System (H\u1ec7 Th\u1ed1ng H\u1ed3ng Th\u1ee7y). L\u00e0 h\u1ec7 th\u1ed1ng sprinkler d\u00f9ng c\u00e1c \u0111\u1ea7u sprinklers m\u1edf s\u1eb5n \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o m\u1ed9t ngu\u1ed3n n\u01b0\u1edbc, qua m\u1ed9t van m\u00e0 van \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c m\u1edf do s\u1ef1 k\u00edch ho\u1ea1t c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i c\u00f9ng nh\u1eefng v\u1ecb tr\u00ed c\u00f3 \u0111\u1eb7t \u0111\u1ea7u sprinkler. Khi van n\u00e0y m\u1edf, n\u01b0\u1edbc s\u1ebd ch\u1ea3y v\u00e0o h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng, v\u00e0 r\u1ed3i phun n\u01b0\u1edbc ra qua t\u1ea5t c\u1ea3 c\u00e1c sprinklers \u0111\u00e3 l\u1eafp \u0111\u1eb7t.<\/p>\n

Combined Dry Pipe-Preaction System (H\u1ec7 Th\u1ed1ng K\u1ebft H\u1ee3p H\u1ed3ng Th\u1ee7y-K\u00edch Ho\u1ea1t Tr\u01b0\u1edbc) L\u00e0 h\u1ec7 th\u1ed1ng sprinkler c\u00f3 c\u00e1c \u0111\u1ea7u sprinklers t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 ch\u1ee9a kh\u00f4ng kh\u00ed, c\u00f3 \u00e1p l\u1ef1c, v\u00e0 c\u00f3 m\u1ed9t h\u1ec7 th\u1ed1ng d\u00f2 ch\u00e1y b\u1ed5 sung \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i c\u00f9ng nh\u1eefng v\u1ecb tr\u00ed c\u00f3 \u0111\u1eb7t \u0111\u1ea7u sprinkler. Khi h\u1ec7 th\u1ed1ng d\u00f2 ch\u00e1y k\u00edch ho\u1ea1t, n\u00f3 s\u1ebd k\u00edch c\u00e1c thi\u1ebft b\u1ecb nh\u1ea3 v\u00e0 r\u1ed3i thi\u1ebft b\u1ecbi nh\u1ea3 n\u00e0y s\u1ebd m\u1edf c\u00e1c dry pipe valves c\u00f9ng l\u00fac m\u00e0 kh\u00f4ng m\u1ea5t \u00e1p l\u1ef1c kh\u00f4ng kh\u00ed trong h\u1ec7 th\u1ed1ng. Vi\u1ec7c k\u00edch ho\u1ea1t h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y c\u0169ng l\u00e0m m\u1edf c\u00e1c van x\u1ea3 kh\u00ed \u0111\u1eb7t \u1edf \u0111i\u1ec3m cu\u1ed1i c\u1ee7a feed main. C\u00e1c van x\u1ea3 kh\u00ed, th\u00f4ng th\u01b0\u1eddng, s\u1ebd \u0111\u01b0\u1ee3c m\u1edf tr\u01b0\u1edbc khi c\u00e1c \u0111\u1ea7u sprinkler m\u1edf. H\u1ec7 th\u1ed1ng d\u00f2 ch\u00e1y \u0111\u1ed3ng th\u1eddi c\u0169ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng b\u00e1o \u0111\u1ed9ng….<\/p>\n

(NFPA 13)<\/p>\n

III. H\u1ec7 Th\u1ed1ng H\u1ed3ng Th\u1ee7y<\/strong><\/p>\n

\"Water<\/a><\/p>\n

Water Spray \u0111ang ”test” t\u1ea1i Tr\u1ea1m Bi\u1ebfn Th\u1ebf Ph\u00fa L\u00e2m<\/em><\/p>\n

Nh\u1eefng hi\u1ec7n tr\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u1ebfp lo\u1ea1i nguy hi\u1ec3m v\u1ec1 h\u1ecfa ho\u1ea1n cao (high hazard), kh\u00f4ng th\u1ec3 ch\u1eefa ch\u00e1y b\u1eb1ng h\u1ec7 th\u1ed1ng sprinkler th\u00f4ng th\u01b0\u1eddng, nh\u01b0ng ph\u1ea3i d\u00f9ng H\u1ec7 Th\u1ed1ng Ch\u1eefa Ch\u00e1y H\u1ed3ng Th\u1ee7y (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 H\u00ea Th\u1ed1ng Deluge ho\u1eb7c Water Spray).<\/p>\n

\"H\u1ec7<\/a><\/p>\n

H\u1ec7 Th\u1ed1ng H\u1ed3ng Th\u1ee7y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 phun ra m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u1edbn, d\u00e0y \u0111\u1eb7c. N\u00f3 bao tr\u00f9m m\u1ed9t v\u00f9ng r\u1ed9ng, phun n\u01b0\u1edbc ra c\u00f9ng m\u1ed9t l\u00fac b\u1edfi nhi\u1ec1u v\u00f2i phun, \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed th\u00e0nh d\u00e3y t\u00f9y theo y\u00eau c\u1ea7u c\u1ee7a t\u1eebng hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n

C\u00f3 3 nguy\u00ean t\u1eafc ch\u1eefa ch\u00e1y b\u1eb1ng h\u1ec7 th\u1ed1ng h\u1ed3ng th\u1ee7y:<\/p>\n

    \n
  1. T\u00e1c d\u1ee5ng l\u00e0m ngu\u1ed9i: D\u00f9ng n\u01b0\u1edbc \u0111\u1ec3 l\u00e0m ngu\u1ed9i b\u1ea7u kh\u00f4ng kh\u00ed n\u00f3ng l\u00ean do ch\u00e1y v\u00e0 do n\u01b0\u1edbc b\u1ed1c h\u01a1i, \u0111\u1ed3ng th\u1eddi gi\u1eef cho nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt ch\u1ea5t \u1edf d\u01b0\u1edbi ng\u01b0\u1ee1ng nhi\u1ec7t \u0111\u1ed9 b\u1ed1c ch\u00e1y. L\u00e0m ngu\u1ed9i \u0111\u1ec3 h\u1ea1n ch\u1ebf l\u00e2y lan v\u00e0 mau ch\u00f3ng d\u1eadp t\u1eaft ch\u00e1y.<\/li>\n
  2. T\u00e1c d\u1ee5ng ph\u1ee7 k\u00edn: M\u1ed9t l\u01b0\u1ee3ng h\u01a1i n\u01b0\u1edbc kh\u1ed5ng l\u1ed3, kho\u1ea3ng 1650 l\u1ea7n th\u1ec3 t\u00edch n\u01b0\u01a1c, bao ph\u1ee7 m\u1eb7t ph\u1eb3ng \u0111ang ch\u00e1y, ng\u0103n kh\u00f4ng cho oxygen ti\u1ebfp c\u1eadn ng\u1ecdn l\u1eeda. T\u00e1ch oxygen ngh\u0129a l\u00e0 l\u1eeda kh\u00f4ng c\u00f2n \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 ti\u1ebfp t\u1ee5c ch\u00e1y.<\/li>\n
  3. T\u00e1c d\u1ee5ng c\u00f4 \u0111\u1eb7c: H\u1ea1t n\u01b0\u1edbc li ti h\u00f2a tr\u1ed9n v\u1edbi d\u1ea7u, t\u1ea1m th\u1eddi qu\u00e1nh d\u1ea7u th\u00e0nh m\u1ed9t l\u1edbp nh\u1ee7 t\u01b0\u01a1ng tr\u00ean b\u1ec1 m\u1eb7t, ng\u0103n kh\u00f4ng cho d\u1ea7u b\u1ed1c h\u01a1i. D\u1ea7u kh\u00f4ng b\u1ed1c h\u01a1i th\u00ec l\u1eeda kh\u00f4ng c\u00f2n \u0111i\u1ec1u ki\u1ec7n ho\u00e0nh h\u00e0nh.<\/li>\n<\/ol>\n

    H\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 k\u00edch b\u1eb1ng \u0111i\u1ec7n (qua c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y), ho\u1eb7c k\u00edch b\u1eb1ng c\u00e1c \u0111\u1ea7u sprinkler theo ki\u1ec3u Wet Pilot (\u1ed1ng c\u00f3 ch\u1ee9a n\u01b0\u1edbc), ho\u1eb7c theo ki\u1ec3u Dry Pilot (\u1ed1ng kh\u00f4ng ch\u1ee9a n\u01b0\u1edbc).<\/p>\n

    C\u00e1c lo\u1ea1i H\u1ec7 Th\u1ed1ng H\u1ed3ng Th\u1ee7y ph\u00e2n bi\u1ec7t theo t\u1ed1c \u0111\u1ed9 phun:<\/p>\n

    T\u1ed1c \u0111\u1ed9 trung b\u00ecnh: C\u00f3 t\u00e1c d\u1ee5ng kh\u1ed1ng ch\u1ebf \u0111\u00e1m ch\u00e1y b\u1eb1ng c\u00e1ch l\u00e0m l\u1ea1nh m\u00f4i tr\u01b0\u1eddng \u0111ang ch\u00e1y. V\u1edbi nh\u1eefng v\u00f2i phun \u0111\u1eb7c bi\u1ec7t, n\u00f3 s\u1ebd phun th\u00e0nh nh\u1eefng ch\u00f9m tia n\u01b0\u1edbc li ti, t\u1ea1o m\u1ed9t m\u00e0ng s\u01b0\u01a1ng theo d\u1ea1ng h\u00ecnh n\u00f3n, l\u00e0m l\u1ea1nh m\u1eb7t ph\u1eb3ng \u0111ang x\u1ea3y ra s\u1ef1 c\u1ed1, b\u1eb1ng c\u00e1ch lo\u1ea1i tr\u1eeb h\u01a1i n\u00f3ng ra kh\u1ecfi n\u01a1i nguy hi\u1ec3m v\u00e0 t\u1ea1o m\u1ed9t m\u00e0n ch\u1eafn ng\u0103n ch\u1eb7n b\u1ee9c x\u1ea1 nhi\u1ec7t.<\/p>\n

    T\u1ed1c \u0111\u1ed9 cao: Phun ra nh\u1eefng ch\u00f9m tia n\u01b0\u1edbc c\u00f3 gi\u1ecdt t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn, c\u1ef1c m\u1ea1nh, l\u00e0m cho d\u1ea7u \u0111\u1ecdng l\u1ea1i th\u00e0nh gi\u1ecdt g\u1ea7n m\u1eb7t ph\u1eb3ng \u0111ang ch\u00e1y, l\u00e0m d\u1ea7u ngu\u1ed9i \u0111i, v\u00e0 ng\u0103n kh\u00f4ng cho n\u00f3 b\u1ed1c h\u01a1i th\u00eam n\u1eefa. Nh\u1edd d\u00f9ng m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ef1c l\u1edbn trong m\u1ed9t kh\u00f4ng gian nh\u1ecf, ng\u1ecdn l\u1eeda nhanh ch\u00f3ng \u0111\u01b0\u1ee3c d\u1eadp t\u1eaft.<\/p>\n

    N\u1ebfu m\u1ed9t d\u00f2ng n\u01b0\u1edbc m\u1ea1nh b\u1eafn v\u00e0o d\u1ea7u \u0111ang ch\u00e1y, n\u01b0\u1edbc th\u1ecdc s\u00e2u v\u00e0o b\u00ean d\u01b0\u1edbi m\u1eb7t ph\u1eb3ng c\u1ee7a d\u1ea7u, v\u00e0 d\u1ea7u s\u1ebd n\u1ed5i l\u00ean b\u00ean tr\u00ean n\u01b0\u1edbc, l\u1edbp d\u1ea7u n\u1ed5i \u1ea5y ti\u1ebfp t\u1ee5c b\u1ed1c h\u01a1i v\u00e0 ch\u00e1y.<\/p>\n

    Nh\u01b0ng, n\u1ebfu n\u01b0\u1edbc \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i d\u01b0\u1edbi d\u1ea1ng nh\u1eefng tia n\u01b0\u1edbc v\u1eeba th\u00f4 v\u1eeba nhuy\u1ec5n, n\u01b0\u1edbc tr\u1edf th\u00e0nh ph\u01b0\u01a1ng ti\u1ec7n hi\u1ec7u q\u1ee7a v\u00e0 \u00edt t\u1ed1n k\u00e9m nh\u1ea5t \u0111\u1ec3 d\u1eadp t\u1eaft nh\u1eefng \u0111\u00e1m ch\u00e1y ph\u00e1t ra t\u1eeb lo\u1ea1i d\u1ea7u n\u1eb7ng v\u00e0 trung b\u00ecnh.<\/p>\n

    N\u1ebfu n\u01b0\u1edbc \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i d\u01b0\u1edbi d\u1ea1ng nh\u1eefng tia nu\u1edbc li li nh\u01b0 s\u01b0\u01a1ng m\u00f9, v\u00e0 khi m\u1eb7t ph\u1eb3ng c\u1ee7a ch\u1ea5t l\u1ecfng \u0111ang b\u1ed1c h\u01a1i b\u1ecb tr\u00f9m ph\u1ee7 ho\u00e0n to\u00e0n, c\u00f9ng l\u00fac, th\u00ec nh\u1eefng gi\u1ecdt n\u01b0\u1edbc li ti \u1ea5y t\u1ecf ra h\u1eefu hi\u1ec7u \u0111\u1ec3 d\u1eadp t\u1eaft ng\u1ecdn l\u1eeda b\u00ean tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a lo\u1ea1i d\u1ea7u nh\u1eb9 nh\u01b0 kerosene, v\u00e0, trong \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i \u0111\u1eb7c bi\u1ec7t (\u0111\u01b0\u1ee3c khoanh v\u00f9ng, chia khu), n\u00f3 ch\u1eefa \u0111\u01b0\u1ee3c nh\u1eefng \u0111\u00e1m ch\u00e1y t\u1eeb d\u1ea7u l\u1eeda.<\/p>\n

    N\u00f3i t\u00f3m l\u1ea1i, n\u01b0\u1edbc d\u01b0\u1edbi d\u1ea1ng tia n\u01b0\u1edbc nhuy\u1ec5n th\u00ec c\u00f3 th\u1ec3 ch\u1eefa ch\u00e1y hi\u1ec7u q\u1ee7a tr\u00ean b\u1ec1 m\u1eb7t d\u1ea7u tr\u01b0\u1edbc khi n\u00f3 ch\u00ecm v\u00e0o d\u01b0\u1edbi l\u1edbp d\u1ea7u.<\/p>\n

    IV. H\u1ec7 Th\u1ed1ng Ch\u1eefa Ch\u00e1y (Dry Chemical)<\/strong><\/p>\n

    \"H\u1ec7<\/a><\/p>\n

    \u1ee8ng d\u1ee5ng t\u1ea1i nh\u1eefng n\u01a1i hi\u1ec3m h\u1ecda ch\u00e1y \u0111\u01b0\u1ee3c \u0111\u00e1nh g\u00eda cao. N\u00f3 phun kh\u00ed ch\u1eefa ch\u00e1y v\u00e0o t\u1eadn nh\u1eefng n\u01a1i kh\u00f3 ra v\u00e0o \u0111\u1ec3 ch\u1eefa ch\u00e1y b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p th\u1ee7 c\u00f4ng.<\/p>\n

    Tr\u01b0\u1eddng h\u1ee3p ti\u00eau bi\u1ec3u: ph\u00f2ng \u0111\u1eb7t m\u00e1y m\u00f3c, thi\u1ebft b\u1ecb, m\u00e1y bi\u1ebfn th\u1ebf, turbines, m\u00e1ng d\u1ea7u v\u00e0 h\u00f3a d\u1ea7u, thi\u1ebft b\u1ecb x\u1eed l\u00fd trong nh\u00e0 m\u00e1y luy\u1ec7n kim, khu giao nh\u1eadn h\u00e0ng t\u1ea1i kho, t\u1ea1i c\u1ea3ng, d\u00e2y chuy\u1ec1n phun s\u01a1n t\u1ea1i nh\u00e0 m\u00e1y, th\u00f9ng nh\u00f9ng s\u01a1n c\u00f4ng nghi\u1ec7p, kho nguy\u00ean li\u1ec7u d\u1ec5 ch\u00e1y…<\/p>\n

    M\u00f4 T\u1ea3:<\/p>\n

    H\u1ec7 Th\u1ed1ng Ch\u1eefa Ch\u00e1y Ansul IND-X l\u00e0 lo\u1ea1i \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh, h\u00f3a ch\u1ea5t (kh\u00f4) \u0111\u01b0\u1ee3c ch\u1ee9a trong b\u00ecnh \u00e1p l\u1ef1c, d\u1eabn qua h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng, \u0111\u1ebfn c\u00e1c \u0111\u1ea7u phun \u0111\u1eb7t t\u1ea1i khu v\u1ef1c \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7.
    H\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t t\u1ef1 \u0111\u1ed9ng ho\u1eb7c \u0111i\u1ec1u khi\u1ec3n th\u1ee7 c\u00f4ng. C\u00f3 th\u1ec3 trang b\u1ecb th\u00eam nh\u1eefng thi\u1ebft b\u1ecb ph\u1ee5 \u0111\u1ec3 ng\u1eaft ngu\u1ed3n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb d\u00f9ng \u0111i\u1ec7n, ho\u1eb7c \u0111\u1ec3 kh\u00f3a \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn gas.
    Thi\u1ebft b\u1ecb b\u00e1o ch\u00e1y c\u00f3 th\u1ec3 l\u00e0 c\u00e1c \u0111\u1ea7u b\u00e1o nhi\u1ec7t k\u00edch ho\u1ea1t b\u1eb1ng \u0111i\u1ec7n ho\u1eb7c b\u1eb1ng c\u01a1 (mechanical fusible links\/ electric thermal detectors).<\/p>\n

    V. H\u1ec7 Th\u1ed1ng Ch\u1eefa Ch\u00e1y (FM-200 & HFC-227ea)<\/strong><\/p>\n

    \"H\u1ec7<\/a><\/p>\n

    (MiniPackage)<\/em><\/p>\n

    H\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y FM200\/HFC227ea (miniPackage) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1ed9t kh\u00f4ng gian h\u1eb9p (d\u01b0\u1edbi 1500 m3).<\/p>\n

    N\u00f3 phun ra m\u1ed9t ch\u1ea5t kh\u00ed ch\u1eefa ch\u00e1y ”s\u1ea1ch” c\u00f3 t\u00ean l\u00e0 FM200 (Tyco, Kidde) ho\u1eb7c HFC227ea (Nittan).<\/p>\n

    Ch\u1ea5t kh\u00ed n\u00e0y kh\u00f4ng nh\u1eefng c\u00f3 t\u00e1c d\u1ee5ng ch\u1eefa ch\u00e1y hi\u1ec7u qu\u1ea3, m\u00e0 n\u00f3 c\u00f2n c\u00e2n b\u1eb1ng \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng kh\u00ed O2 c\u1ea7n thi\u1ebft \u0111\u1ec3 cho con ng\u01b0\u1eddi h\u00f4 h\u1ea5p t\u1ea1m th\u1eddi trong tr\u01b0\u1eddng h\u1ee3p kh\u1ea9n c\u1ea5p. Ngo\u00e0i ra, v\u1edbi ch\u1ea5t kh\u00ed ch\u1eefa ch\u00e1y ”s\u1ea1ch” n\u00e0y, sau khi ho\u00e0n t\u1ea5t nhi\u1ec7m v\u1ee5 ch\u1eefa ch\u00e1y, n\u00f3 kh\u00f4ng \u0111\u1ec3 l\u1ea1i h\u1eadu q\u1ee7a tai h\u1ea1i n\u00e0o \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt d\u1ee5ng, m\u00e1y m\u00f3c n\u1eb1m trong khu v\u1ef1c v\u1eeba \u0111\u01b0\u1ee3c ch\u1eefa ch\u00e1y.<\/p>\n

    H\u1ec7 th\u1ed1ng n\u00e0y \u1ee9ng d\u1ee5ng th\u00edch h\u1ee3p t\u1ea1i nh\u1eefng m\u00f4i tr\u01b0\u1eddng trong s\u1ea1ch, n\u01a1i c\u00f3 con ng\u01b0\u1eddi l\u00e0m vi\u1ec7c, v\u00e0 c\u00f3 trang b\u1ecb nh\u1eefng lo\u1ea1i m\u00e1y m\u00f3c ho\u1eb7c d\u1eef li\u1ec7u c\u00f3 gi\u00e1 tr\u1ecb cao.<\/p>\n

    VI. H\u1ec7 Th\u1ed1ng Ch\u1eefa Ch\u00e1y CO2<\/strong><\/p>\n

    \"H\u1ec7<\/a><\/p>\n

    \"H\u1ec7<\/a><\/p>\n

    CO2 l\u00e0 m\u1ed9t ch\u1ea5t kh\u00ed s\u1ea1ch, kh\u00f4ng l\u00e0m r\u1ec9 s\u00e9t, n\u00f3 d\u1eadp t\u1eaft ch\u00e1y b\u1eb1ng c\u00e1ch l\u00e0m lo\u00e3ng h\u1ed7n h\u1ee3p kh\u00f4ng kh\u00ed & CO2 t\u1edbi m\u1ed9t t\u1ef7 l\u1ec7 \u1edf d\u01b0\u1edbi m\u1ee9c gi\u1edbi h\u1ea1n c\u00f3 th\u1ec3 duy tr\u00ec s\u1ef1 ch\u00e1y. H\u1ec7 th\u1ed1ng n\u00e0y \u1ee9ng d\u1ee5ng t\u1ea1i nh\u1eefng n\u01a1i m\u00e0 n\u1ebfu d\u00f9ng nh\u1eefng ch\u1ea5t ch\u1eefa ch\u00e1y kh\u00e1c c\u00f3 th\u1ec3 l\u00e0m h\u01b0 h\u1ecfng m\u00e1y m\u00f3c, thi\u1ebft b\u1ecb.<\/p>\n

    V\u00ec kh\u00ed phun ra c\u00f3 th\u1ec3 g\u00e2y ng\u1ea1t th\u1edf cho con ng\u01b0\u1eddi hi\u1ec7n di\u1ec7n trong khu v\u1ef1c, v\u00ec v\u1eady, h\u1ec7 th\u1ed1ng lu\u00f4n lu\u00f4n d\u00e0nh m\u1ed9t th\u1eddi gian tr\u00ec ho\u00e3n v\u1edbi t\u00edn hi\u1ec7u b\u00e1o \u0111\u1ed9ng \u0111\u1ec3 c\u1ea3nh b\u00e1o tr\u01b0\u1edbc khi phun kh\u00ed, \u0111\u1ec3 con ng\u01b0\u1eddi k\u1ecbp tho\u00e1t ra kh\u1ecfi khu v\u1ef1c nguy hi\u1ec3m.<\/p>\n

    VII. H\u1ec7 Th\u1ed1ng Ch\u1eefa Ch\u00e1y Foam<\/strong><\/p>\n

    \"H\u1ec7<\/a><\/p>\n

    H\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y b\u1eb1ng b\u1ecdt (foam), khi \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, s\u1ebd phun ra m\u1ed9t lo\u1ea1i b\u1ecdt bao ph\u1ee7 l\u00ean tr\u00ean b\u1ec1 m\u1eb7t x\u0103ng d\u1ea7u, t\u00e1ch ch\u1ea5t l\u1ecfng d\u1ec5 ch\u00e1y ra kh\u1ecfi kh\u00f4ng kh\u00ed v\u00e0 l\u1eeda, nh\u1edd \u0111\u00f3 ng\u1ecdn l\u1eeda b\u1ecb d\u1eadp t\u1eaft.<\/p>\n

    Do t\u00ednh ch\u1ea5t h\u1eefu hi\u1ec7u c\u1ee7a n\u00f3, \u0111\u1ed3ng th\u1eddi do n\u00f3 gi\u1ea3m thi\u1ec3u l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ea7n d\u00f9ng, h\u1ec7 th\u1ed1ng foam hi\u1ec7n nay \u0111\u01b0\u1ee3c tin d\u00f9ng r\u1ed9ng r\u00e3i. Gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng ch\u1ea5t ch\u1eefa ch\u00e1y c\u1ea7n d\u00f9ng \u0111\u1ec3 d\u1eadp t\u1eaft l\u1eeda, ngh\u0129a l\u00e0 gi\u1ea3m thi\u1ec3u s\u1ef1 h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb, \u0111\u1ed3 d\u00f9ng, gi\u1ea3m \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng do n\u01b0\u1edbc phun ra, \u0111\u1eb7c bi\u1ec7t l\u00e0 t\u1ea1i nh\u1eefng n\u01a1i c\u00f3 ch\u1ee9a ch\u1ea5t \u0111\u1ed9c h\u1ea1i.<\/p>\n

    \u0110\u1ed1i v\u1edbi lo\u1ea1i foam gi\u00e3n n\u1edf cao, th\u00ec h\u1ea7u nh\u01b0 ch\u1eb3ng h\u01b0 h\u1ea1i g\u00ec c\u1ea3 cho h\u00e0ng h\u00f3a, v\u00e0 ch\u1ec9 trong m\u1ed9t th\u1eddi gian ng\u1eafn, c\u1ea3 nh\u00e0 kho \u0111\u1ec1u tr\u1edf l\u1ea1i b\u00ecnh th\u01b0\u1eddng.<\/p>\n

    H\u1ec7 th\u1ed1ng foam \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng t\u1ea1i nh\u1eefng n\u01a1i \u0111\u1eb7c bi\u1ec7t c\u00f3 r\u1ee7i ro cao v\u1ec1 ch\u00e1y n\u1ed5, \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ef1a th\u1eadn tr\u1ecdng, y\u00eau c\u1ea7u ph\u1ea3i trang b\u1ecb th\u00edch h\u1ee3p ch\u1ea5t b\u1ecdt c\u00f4 \u0111\u1eb7c, h\u1ec7 th\u1ed1ng tr\u1ed9n b\u1ecdt, c\u00e1c thi\u1ebft b\u1ecb phun b\u1ecdt, v\u00e0 s\u1ef1 ph\u1ed1i h\u1ee3p h\u01b0u hi\u1ec7u gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn \u1ea5y trong m\u1ed9t h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y.
    B\u1ecdt c\u00f4 \u0111\u1eb7c l\u00e0 m\u1ed9t ch\u1ea5t \u0111\u1ed1i ch\u1ecdi v\u1edbi x\u0103ng d\u1ea7u. M\u1eb7c d\u00f9 n\u00f3 c\u00f3 c\u00f9ng chung ti\u00eau chu\u1ea9n, tuy nhi\u00ean, m\u1ed7i lo\u1ea1i b\u1ecdt – protein v\u00e0 fluoroprotein – c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang, \u1ee9ng d\u1ee5ng th\u00edch h\u1ee3p ho\u1eb7c k\u00e9m th\u00edch h\u1ee3p h\u01a1n \u0111\u1ed1i v\u1edbi t\u1eebng hi\u1ec7n tr\u01b0\u1eddng c\u1ee5 th\u1ec3.<\/p>\n

    H\u1ec7 th\u1ed1ng tr\u1ed9n b\u1ecdt c\u00f3 th\u1ec3 l\u00e0 lo\u1ea1i ”balanced pressure” ho\u1eb7c ”inline”.<\/p>\n

    \u0110\u1ea7u phun b\u1ecdt c\u00f3 th\u1ec3 l\u00e0 \u0111\u1ea7u sprinkler, spray, nozzle, monitor, foam pourer, ho\u1eb7c high expantion foam generator, t\u00f9y theo h\u1ec7 th\u1ed1ng foam \u0111\u01b0\u1ee3c d\u00f9ng.<\/p>\n

    Nguy\u00ean L\u00fd Ch\u1eefa Ch\u00e1y<\/strong><\/p>\n

    T\u00f9y theo lo\u1ea1i b\u1ecdt, foam c\u00f3 th\u1ec3 ch\u1eefa ch\u00e1y b\u1eb1ng nhi\u1ec1u c\u00e1ch:<\/p>\n

    Ho\u1eb7c l\u00e0 d\u00f9ng b\u1ecdt foam ph\u1ee7 tr\u00f9m l\u00ean tr\u00ean b\u1ec1 m\u1eb7t ch\u1ea5t ch\u00e1y m\u1ed9t l\u1edbp b\u1ecdt d\u00e0y, d\u1eadp t\u1eaft ng\u1ecdn l\u1eeda v\u00e0 c\u00e1ch ly nhi\u00ean li\u1ec7u kh\u00f4ng cho ti\u1ebfp t\u1ee5c ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed, ho\u1eb7c l\u00e0 l\u00e0m l\u1ea1nh nhi\u00ean li\u1ec7u b\u1eb1ng l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00f3 ch\u1ee9a trong b\u1ecdt, ho\u1eb7c l\u00e0 tr\u00f9m ph\u1ee7 kh\u00f4ng cho ch\u1ea5t l\u1ecfng (nhi\u00ean li\u1ec7u) b\u1ed1c h\u01a1i v\u00e0 h\u00f2a tr\u1ed9n v\u00e0o kh\u00f4ng kh\u00ed.<\/p>\n

    B\u1ecdt Ch\u1eefa Ch\u00e1y Foam l\u00e0 g\u00ec?<\/strong><\/p>\n

    N\u00f3i \u0111\u01a1n gi\u1ea3n, b\u1ecdt ch\u1eefa ch\u00e1y l\u00e0 m\u1ed9t m\u00e3ng b\u1ecdt c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn, c\u00f3 t\u00ednh b\u1ec1n, ch\u1ee9a \u0111\u1ea7y kh\u00f4ng kh\u00ed, c\u00f3 t\u1ef7 tr\u1ecdng nh\u1ecf h\u01a1n d\u1ea7u, x\u0103ng, ho\u1eb7c n\u01b0\u1edbc. Foam \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi 3 th\u00e0nh ph\u1ea7n: n\u01b0\u1edbc, b\u1ecdt c\u00f4 \u0111\u1eb7c, v\u00e0 kh\u00f4ng kh\u00ed. N\u01b0\u1edbc \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi b\u1ecdt c\u00f4 \u0111\u1eb7c, t\u1ea1o th\u00e0nh m\u1ed9t dung d\u1ecbch foam. Dung d\u1ecbch n\u00e0y l\u1ea1i \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi kh\u00f4ng kh\u00ed (h\u00fat kh\u00f4ng kh\u00ed) \u0111\u1ec3 t\u1ea1o ra m\u1ed9t lo\u1ea1i b\u1ecdt ch\u1eefa ch\u00e1y c\u00f3 \u0111\u1ee7 t\u00ednh n\u0103ng, s\u1eb5n s\u00e0ng phun l\u00ean b\u1ec1 m\u1eb7t v\u1eadt g\u00e2y ch\u00e1y v\u00e0 d\u1eadp t\u1eaft ch\u00e1y<\/p>\n

    V\u00e0i Lo\u1ea1i B\u1ecdt (th\u00f4ng d\u1ee5ng)<\/strong>:<\/p>\n

    Foam AFFF l\u00e0 ch\u1ea5t b\u1ecdt m\u00e0 s\u1ebd t\u1ea1o ra m\u1ed9t m\u00e0n s\u01b0\u01a1ng ph\u1ee7 tr\u00ean m\u1eb7t ph\u1eb3ng c\u1ee7a nhi\u00ean li\u1ec7u c\u00f3 hydrocarbon.<\/p>\n

    Foam ARC (alcohol-resistant concentrate) l\u00e0 ch\u1ea5t b\u1ecdt m\u00e0 s\u1ebd t\u1ea1o ra m\u1ed9t m\u00e0n nh\u1ea5y tr\u00ean m\u1eb7t ph\u1eb3ng c\u1ee7a lo\u1ea1i nhi\u00ean li\u1ec7u kh\u00f4ng h\u00f2a tan.<\/p>\n

    Xem th\u00eam:<\/p>\n

      \n
    1. Thi c\u00f4ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y (PCCC).<\/a><\/li>\n
    2. Ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng PCCC.<\/a><\/li>\n
    3. C\u00e1c lo\u1ea1i qu\u1ea1t c\u00f4ng nghi\u1ec7p d\u00f9ng trong h\u1ec7 th\u1ed1ng PCCC.<\/a><\/li>\n
    4. \u0110i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed ph\u00f2ng Sever nh\u1ecf.<\/a><\/li>\n
    5. C\u00f4ng ty c\u01a1 \u0111i\u1ec7n l\u1ea1nh Tu\u1ed5i Tr\u1ebb (YOCO M&E)<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

      C\u00e1c h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y ph\u1ed5 bi\u1ebfn hi\u1ec7n nay. I. H\u1ec7 Th\u1ed1ng Ch\u1eefa Ch\u00e1y B\u00e1n T\u1ef1 \u0110\u1ed9ng H\u1ed9p ch\u1eefa ch\u00e1y v\u1edbi cu\u1ed9n v\u00f2i \u0111\u01b0\u1eddng k\u00ednh 45 mm. Ti\u00eau chu\u1ea9n UNE-EN 671\/2. Cofem s\u1ea3n xu\u1ea5t. Model P6420 v\u1edbi cu\u1ed9n v\u00f2i 20 meters. G\u1ed3m: H\u1ed9p vu\u00f4ng n\u1eb1m ngang, khung tang quay, cu\u1ed9n v\u00f2i, van c\u1ea7u, \u0111\u1ed3ng h\u1ed3<\/p>\n","protected":false},"author":1,"featured_media":912,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,20],"tags":[327,323,324,320,325,326,321,322],"class_list":["post-896","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-ky-thuat","tag-bot-chua-chay-foam","tag-he-thong-chua-chay-dry-chemical","tag-he-thong-chua-chay-fm-200-hfc-227ea","tag-he-thong-chua-chay-ban-tu-dong","tag-he-thong-chua-chay-co2","tag-he-thong-chua-chay-foam","tag-he-thong-chua-chay-sprinkler","tag-he-thong-hong-thuy"],"yoast_head":"\nH\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y - C\u00f4ng ty C\u01a1 \u0110i\u1ec7n L\u1ea1nh Tu\u1ed5i Tr\u1ebb (YOCO M&E)<\/title>\n<meta name=\"description\" content=\"Gi\u1edbi thi\u1ec7u t\u1ed5ng quan c\u00e1c h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y ph\u1ed5 bi\u1ebfn hi\u1ec7n nay \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p, d\u00e2n d\u1ee5ng, v\u0103n ph\u00f2ng, nh\u00e0 m\u00e1y, ph\u00f2ng server, tr\u1ea1m \u0111i\u1ec7n,...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/codienlanh.com\/he-thong-chua-chay\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y - 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