{"id":528,"date":"2025-02-19T09:22:11","date_gmt":"2025-02-19T02:22:11","guid":{"rendered":"https:\/\/phongchay-10860c7.ingress-earth.ewp.live\/?p=528"},"modified":"2025-02-19T09:22:13","modified_gmt":"2025-02-19T02:22:13","slug":"lap-dat-he-thong-foam-afff","status":"publish","type":"post","link":"https:\/\/mebinhminh.fastviet.vn\/?p=528","title":{"rendered":"L\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng Foam AFFF"},"content":{"rendered":"
\"\"<\/figure>

 Ngo\u00e0i vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00e1c h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y, vi\u1ec7c thi c\u00f4ng l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y c\u0169ng r\u1ea5t quan tr\u1ecdng v\u00e0 n\u00ean \u0111\u01b0\u1ee3c ch\u00fa tr\u1ecdng. Kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t v\u00e0 ng\u0103n ng\u1eeba \u0111\u00e1m ch\u00e1y lan r\u1ed9ng trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00e1m ch\u00e1y nh\u1ecf m\u1edbi ph\u00e1t sinh s\u1ebd r\u1ea5t d\u1ec5 d\u00e0ng. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi nh\u1eefng \u0111\u00e1m ch\u00e1y l\u1edbn vi\u1ec7c kh\u1ed1ng ch\u1ebf ch\u00fang l\u00e0 m\u1ed9t \u0111i\u1ec1u kh\u00f4ng h\u1ec1 d\u1ec5 d\u00e0ng, nh\u1ea5t l\u00e0 nh\u1eefng \u0111\u00e1m ch\u00e1y li\u00ean quan \u0111\u1ebfn x\u0103ng d\u1ea7u v\u00e0 c\u00e1c h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i.<\/p>

L\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y b\u1ecdt FOAM ch\u00ednh l\u00e0 gi\u1ea3i ph\u00e1p \u201cc\u1ee9u c\u00e1nh\u201d trong tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra \u0111\u00e1m ch\u00e1y l\u1edbn v\u00e0 kh\u00f3 ki\u1ec3m so\u00e1t. B\u1edfi v\u1eady, m\u1ed7i t\u00f2a nh\u00e0, chung c\u01b0, nh\u00e0 x\u01b0\u1edfng, kho b\u00e3i,\u2026n\u00ean \u00e1p d\u1ee5ng l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y n\u00e0y \u0111\u1ec3 h\u1ea1n ch\u1ebf th\u01b0\u01a1ng vong v\u1ec1 ng\u01b0\u1eddi v\u00e0 thi\u1ec7t h\u1ea1i v\u1ec1 t\u00e0i s\u1ea3n.<\/p>

Nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y b\u1eb1ng b\u1ecdt FOAM<\/h2>
\"binh<\/figure>

H\u1ec7 th\u1ed1ng n\u00e0y ho\u1ea1t \u0111\u1ed9ng ch\u1ee7 y\u1ebfu theo nguy\u00ean t\u1eafc c\u00e1ch ly.<\/p>

\u2013 Khi \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, b\u1ecdt FOAM s\u1ebd \u0111\u01b0\u1ee3c phun ra bao ph\u1ee7 l\u00ean to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t x\u0103ng d\u1ea7u, n\u00f3 c\u00f3 th\u1ec3 t\u00e1ch ch\u1ea5t l\u1ecfng d\u1ec5 ch\u00e1y ra kh\u1ecfi l\u1eeda v\u00e0 kh\u00f4ng kh\u00ed, nh\u1edd \u0111\u00f3 s\u1ebd d\u1eadp t\u1eaft \u0111\u01b0\u1ee3c \u0111\u00e1m ch\u00e1y.<\/p>

\u2013 L\u01b0\u1ee3ng n\u01b0\u1edbc trong b\u1ecdt gi\u00fap l\u00e0m l\u1ea1nh nhi\u00ean li\u1ec7u v\u00e0 ng\u0103n ch\u1eb7n kh\u00f4ng cho ch\u1ea5t l\u1ecfng b\u1ed1c h\u01a1i h\u00f2a tr\u1ed9n v\u00e0o kh\u00f4ng kh\u00ed t\u1ea1o th\u00e0nh h\u1ed7n h\u1ee3p ch\u00e1y n\u1ed5.<\/p>

\"foam<\/a>
B\u1ecdt foam sau khi k\u00edch ho\u1ea1t<\/figcaption><\/figure>

B\u1ecdt FOAM c\u00f3 th\u1ec3 t\u00e1ch ch\u1ea5t l\u1ecfng d\u1ec5 ch\u00e1y ra kh\u1ecfi l\u1eeda v\u00e0 kh\u00f4ng kh\u00ed nh\u1edd \u0111\u00f3 s\u1ebd d\u1eadp t\u1eaft \u0111\u01b0\u1ee3c \u0111\u00e1m ch\u00e1y<\/p>

C\u1ea5u t\u1ea1o c\u1ee7a h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y b\u1eb1ng b\u1ecdt FOAM<\/h2>

H\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y b\u1ecdt FOAM bao g\u1ed3m h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m, h\u1ec7 th\u1ed1ng d\u00f2 kh\u00f3i, d\u00f2 nhi\u1ec7t v\u00e0 c\u00f2i b\u00e1o. Khi c\u00f3 ch\u00e1y, s\u1ebd c\u00f3 chu\u00f4ng b\u00e1o gi\u00fap x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c khu v\u1ef1c ch\u00e1y.<\/p>

Khi nhi\u1ec7t \u0111\u1ed9 t\u1ea1i khu v\u1ef1c ch\u00e1y kho\u1ea3ng 60-800C, \u0111\u1ea7u sprinkler v\u1ee1, n\u01b0\u1edbc phun ra n\u00ean \u00e1p l\u1ef1c h\u1ec7 th\u1ed1ng gi\u1ea3m xu\u1ed1ng. L\u00fac n\u00e0y, b\u01a1m t\u1ef1 \u0111\u1ed9ng k\u00edch ho\u1ea1t cung c\u1ea5p n\u01b0\u1edbc cho b\u1ed3n ch\u1ee9a h\u1ee3p ch\u1ea5t.<\/p>

\"foam<\/a>
Thi c\u00f4ng FOAM<\/figcaption><\/figure>
\"foam<\/a>
H\u00ecnh \u1ea3nh thi c\u00f4ng FOAM ch\u1eefa ch\u00e1y<\/figcaption><\/figure>
\"foam<\/a>
H\u00ecnh \u1ea3nh thi c\u00f4ng FOAM ch\u1eefa ch\u00e1y (\u1ea3nh 2)<\/figcaption><\/figure>
\"foam<\/a>
H\u00ecnh \u1ea3nh thi c\u00f4ng FOAM ch\u1eefa ch\u00e1y (\u1ea3nh 3)<\/figcaption><\/figure>
\"foam<\/a>
H\u00ecnh \u1ea3nh thi c\u00f4ng FOAM ch\u1eefa ch\u00e1y (\u1ea3nh 4)<\/figcaption><\/figure>

Khi n\u01b0\u1edbc \u0111i qua \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn, t\u00edn hi\u1ec7u s\u1ebd b\u00e1o v\u1ec1 t\u1ee7 b\u00e1o ch\u00e1y, van \u0111i\u1ec7n t\u1eeb s\u1ebd m\u1edf ra, l\u00fac n\u00e0y m\u1ed9t ph\u1ea7n n\u01b0\u1edbc s\u1ebd ch\u1ea3y v\u00e0o b\u1ed3n Foam t\u1ea1o \u00e1p l\u1ef1c v\u1edbi t\u1ee7 ch\u1ee9a foam b\u00ean trong b\u1ed3n. \u00c1p l\u1ef1c n\u00e0y s\u1ebd \u0111\u1ea9y b\u1ecdt foam tho\u00e1t ra theo h\u01b0\u1edbng c\u00f3 v\u00f2i phun. Do s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t c\u1ee7a foam cao n\u00ean l\u1edbp m\u00e0ng ph\u1ee7 v\u1eadt ch\u00e1y kh\u00e1 b\u1ec1n gi\u00fap c\u00f4 l\u1eadp v\u1eadt ch\u00e1y, kh\u00f4ng g\u00e2y ch\u00e1y tr\u1edf l\u1ea1i.<\/p>

H\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y b\u1eb1ng b\u1ecdt<\/strong> (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>

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 ch\u1eefa ch\u00e1y<\/strong> 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>

\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>

H\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y<\/strong> 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.<\/p>

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 \u2013 protein v\u00e0 fluoroprotein \u2013 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>

H\u1ec7 th\u1ed1ng tr\u1ed9n b\u1ecdt c\u00f3 th\u1ec3 l\u00e0 lo\u1ea1i \u201cbalanced pressure\u201d ho\u1eb7c \u201cinline\u201d.<\/p>

\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>

Nguy\u00ean l\u00fd ch\u1eefa ch\u00e1y<\/strong><\/p>

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

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>

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

N\u00f3i \u0111\u01a1n gi\u1ea3n, b\u1ecdt ch\u1eefa ch\u00e1y l\u00e0 m\u1ed9t m\u1ea3ng 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>

V\u00e0i lo\u1ea1i b\u1ecdt (th\u00f4ng d\u1ee5ng):<\/strong><\/p>

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>

\"Chemguard\"<\/figure>

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>

\"Viking\"<\/a><\/figure>

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

 Ngo\u00e0i vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00e1c h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y, vi\u1ec7c thi c\u00f4ng l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y c\u0169ng r\u1ea5t quan tr\u1ecdng v\u00e0 n\u00ean \u0111\u01b0\u1ee3c ch\u00fa tr\u1ecdng. Kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t v\u00e0 ng\u0103n ng\u1eeba \u0111\u00e1m ch\u00e1y lan r\u1ed9ng trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00e1m ch\u00e1y nh\u1ecf m\u1edbi ph\u00e1t sinh s\u1ebd r\u1ea5t d\u1ec5 d\u00e0ng. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi[…]\n","protected":false},"author":1,"featured_media":529,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[50,44],"tags":[52,46],"class_list":["post-528","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-he-thong-pccc","category-kien-thuc-ve-pccc","tag-foam-aff","tag-pccc"],"yoast_head":"\nL\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng Foam AFFF - M&E B\u00ccNH MINH<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mebinhminh.fastviet.vn\/?p=528\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng Foam AFFF - M&E B\u00ccNH MINH\" \/>\n<meta property=\"og:description\" content=\" Ngo\u00e0i vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00e1c h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y, vi\u1ec7c thi c\u00f4ng l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y c\u0169ng r\u1ea5t quan tr\u1ecdng v\u00e0 n\u00ean \u0111\u01b0\u1ee3c ch\u00fa tr\u1ecdng. 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