{"id":3059,"date":"2025-04-13T20:28:58","date_gmt":"2025-04-13T12:28:58","guid":{"rendered":"https:\/\/led.amasly.com\/?page_id=3059"},"modified":"2025-04-13T20:29:04","modified_gmt":"2025-04-13T12:29:04","slug":"nhung-quan-niem-sai-lam-ve-den-chong-chay-no-duoc-lam-sang-to-tai-sao-den-chong-chay-no-khong-phai-luc-nao-cung-an-toan-hon","status":"publish","type":"page","link":"https:\/\/led.amasly.com\/vi\/kien-thuc\/kien-thuc-ve-san-pham-chong-chay-no\/nhung-quan-niem-sai-lam-ve-den-chong-chay-no-duoc-lam-sang-to-tai-sao-den-chong-chay-no-khong-phai-luc-nao-cung-an-toan-hon\/","title":{"rendered":"Ph\u00e1 v\u1ee1 nh\u1eefng quan ni\u1ec7m sai l\u1ea7m v\u1ec1 \u0111\u00e8n ch\u1ed1ng ch\u00e1y n\u1ed5: T\u1ea1i sao \u201cch\u1ed1ng ch\u00e1y n\u1ed5\u201d kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng an to\u00e0n h\u01a1n"},"content":{"rendered":"
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Ph\u00e1 v\u1ee1 nh\u1eefng quan ni\u1ec7m sai l\u1ea7m v\u1ec1 \u0111\u00e8n ch\u1ed1ng ch\u00e1y n\u1ed5: T\u1ea1i sao \u201cch\u1ed1ng ch\u00e1y n\u1ed5\u201d kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng an to\u00e0n h\u01a1n<\/strong><\/strong><\/h2>\n\n\n\n
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Ph\u00e2n t\u00edch v\u00e0 l\u00e0m r\u00f5 nh\u1eefng hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn v\u1ec1 chi\u1ebfu s\u00e1ng trong khu v\u1ef1c nguy hi\u1ec3m<\/strong><\/strong><\/h2>\n\n\n\n

Gi\u1edbi thi\u1ec7u: Gi\u1ea3 \u0111\u1ecbnh nguy hi\u1ec3m v\u1ec1 s\u1ef1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/strong><\/strong><\/h3>\n\n\n\n

C\u00e1c thu\u1eadt ng\u1eef \u201cch\u1ed1ng ch\u00e1y\u201d v\u00e0 \u201cch\u1ed1ng n\u1ed5\u201d th\u01b0\u1eddng b\u1ecb nh\u1ea7m l\u1eabn trong l\u0129nh v\u1ef1c chi\u1ebfu s\u00e1ng c\u00f4ng nghi\u1ec7p, d\u1eabn \u0111\u1ebfn nh\u1eefng hi\u1ec3u l\u1ea7m t\u1ed1n k\u00e9m v\u00e0 c\u00f3 th\u1ec3 g\u00e2y h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng.<\/p>\n\n\n\n

M\u1eb7c d\u00f9 c\u1ea3 hai ch\u1ee9ng nh\u1eadn \u0111\u1ec1u nh\u1eb1m m\u1ee5c \u0111\u00edch gi\u1ea3m thi\u1ec3u r\u1ee7i ro trong m\u00f4i tr\u01b0\u1eddng nguy hi\u1ec3m, nh\u01b0ng nh\u1eefng kh\u00e1c bi\u1ec7t k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang\u2014d\u1ef1a tr\u00ean khoa h\u1ecdc v\u1eadt li\u1ec7u, ti\u00eau chu\u1ea9n khu v\u1ef1c v\u00e0 y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng\u2014y\u00eau c\u1ea7u s\u1ef1 xem x\u00e9t c\u1ea9n th\u1eadn.<\/p>\n\n\n\n

B\u00e0i vi\u1ebft n\u00e0y ph\u00e1 v\u1ee1 n\u0103m quan ni\u1ec7m sai l\u1ea7m ph\u1ed5 bi\u1ebfn, s\u1eed d\u1ee5ng c\u00e1c tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf v\u00e0 d\u1eef li\u1ec7u ch\u1ee9ng nh\u1eadn to\u00e0n c\u1ea7u \u0111\u1ec3 l\u00e0m r\u00f5 t\u1ea1i sao ch\u1ec9 ri\u00eang \u201cch\u1ed1ng ch\u00e1y n\u1ed5\u201d kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n trong m\u1ecdi t\u00ecnh hu\u1ed1ng.<\/p>\n\n\n\n

1. Quan ni\u1ec7m sai l\u1ea7m 1: \u201cCh\u1ed1ng ch\u00e1y v\u00e0 ch\u1ed1ng n\u1ed5 l\u00e0 hai kh\u00e1i ni\u1ec7m c\u00f3 th\u1ec3 ho\u00e1n \u0111\u1ed5i cho nhau\u201d<\/strong><\/strong><\/h3>\n\n\n\n

Th\u1ef1c t\u1ebf<\/strong>:<\/p>\n\n\n\n

Ch\u1ed1ng ch\u00e1y n\u1ed5 (Ex d)<\/strong>T\u1eadp trung v\u00e0o vi\u1ec7c ki\u1ec3m so\u00e1t c\u00e1c v\u1ee5 n\u1ed5 b\u00ean trong th\u00f4ng qua c\u00e1c v\u1ecf b\u1ecdc ch\u1eafc ch\u1eafn (v\u00ed d\u1ee5: nh\u00f4m \u0111\u00fac ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t \u22651,5 l\u1ea7n l\u1ef1c n\u1ed5 t\u1ed1i \u0111a.<\/p>\n\n\n\n

Ch\u1ed1ng ch\u00e1y (FLP)<\/strong>\u01afu ti\u00ean ng\u0103n ch\u1eb7n s\u1ef1 lan truy\u1ec1n ng\u1ecdn l\u1eeda t\u1eeb b\u00ean ngo\u00e0i th\u00f4ng qua c\u00e1c thi\u1ebft b\u1ecb ng\u0103n ch\u1eb7n ng\u1ecdn l\u1eeda v\u00e0 v\u1eadt li\u1ec7u ch\u1ecbu nhi\u1ec7t (v\u00ed d\u1ee5: l\u1edbp ph\u1ee7 g\u1ed1m \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u1edf nhi\u1ec7t \u0111\u1ed9 800\u00b0C trong 30 gi\u00e2y).<\/p>\n\n\n\n

Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p<\/strong>:
V\u1ee5 ch\u00e1y nh\u00e0 m\u00e1y l\u1ecdc d\u1ea7u \u1edf Texas n\u0103m 2024 x\u1ea3y ra khi v\u1ecf \u0111\u00e8n LED ch\u1ed1ng ch\u00e1y n\u1ed5 (\u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn UL 1203) kh\u00f4ng th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c ng\u1ecdn l\u1eeda b\u00ean ngo\u00e0i t\u1eeb m\u1ed9t r\u00f2 r\u1ec9 hydro sunfua g\u1ea7n \u0111\u00f3. Ph\u00e2n t\u00edch sau s\u1ef1 c\u1ed1 cho th\u1ea5y thi\u1ebfu l\u1edbp ph\u1ee7 ch\u1ed1ng ch\u00e1y cho \u1ed1ng k\u00ednh, m\u1ed9t y\u00eau c\u1ea7u theo ti\u00eau chu\u1ea9n ATEX Zone 1.<\/p>\n\n\n\n

2. Th\u1ea7n tho\u1ea1i 2: \u201cM\u1ed9t ch\u1ee9ng ch\u1ec9 ph\u00f9 h\u1ee3p cho t\u1ea5t c\u1ea3 c\u00e1c khu v\u1ef1c\u201d<\/strong><\/strong><\/h3>\n\n\n\n

Ph\u00e2n t\u00edch chi ti\u1ebft c\u00e1c ti\u00eau chu\u1ea9n khu v\u1ef1c<\/strong>:<\/p>\n\n\n\n

B\u1eafc M\u1ef9 (NEC\/UL<\/a>)<\/strong>\u0110\u00e8n ch\u1ed1ng ch\u00e1y n\u1ed5 (UL 844) chi\u1ebfm \u01b0u th\u1ebf, nh\u01b0ng thi\u1ebfu c\u00e1c ti\u00eau ch\u00ed ch\u1ed1ng ch\u00e1y r\u00f5 r\u00e0ng cho m\u00f4i tr\u01b0\u1eddng b\u1ee5i Zone 22.<\/p>\n\n\n\n

Ch\u00e2u \u00c2u (ATEX)<\/strong>Y\u00eau c\u1ea7u tu\u00e2n th\u1ee7 k\u00e9p (EN 60079-1 v\u1ec1 ch\u1ed1ng ch\u00e1y n\u1ed5 + EN 60332-1-2 v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y) trong c\u00e1c khu v\u1ef1c Zone 1\/21.<\/p>\n\n\n\n

Th\u1ecb tr\u01b0\u1eddng to\u00e0n c\u1ea7u<\/strong>Ch\u1ee9ng nh\u1eadn IECEx th\u01b0\u1eddng b\u1ecf qua c\u00e1c th\u1eed nghi\u1ec7m lan truy\u1ec1n ng\u1ecdn l\u1eeda \u0111\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed, ti\u1ec1m \u1ea9n nguy c\u01a1 kh\u00f4ng tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh trong c\u00e1c c\u01a1 s\u1edf s\u1eed d\u1ee5ng kh\u00ed\/b\u1ee5i h\u1ed7n h\u1ee3p.<\/p>\n\n\n\n

V\u00ed d\u1ee5<\/strong>:
\u0110\u00e8n chi\u1ebfu s\u00e1ng ch\u1ed1ng ch\u00e1y n\u1ed5 c\u1ee7a GUANMN, m\u1eb7c d\u00f9 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn UL, v\u1eabn c\u1ea7n c\u00f3 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn l\u1eeda b\u1eb1ng g\u1ed1m b\u1ed5 sung \u0111\u1ec3 \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n ATEX cho c\u00e1c tr\u1ea1m LNG \u1edf ch\u00e2u \u00c2u.<\/p>\n\n\n\n

3. Quan ni\u1ec7m sai l\u1ea7m 3: \u201cL\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y\u201d<\/strong><\/strong><\/h3>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t quan tr\u1ecdng v\u1ec1 v\u1eadt li\u1ec7u<\/strong>:<\/p>\n\n\n\n

Nh\u00f4m \u0111\u00fac<\/strong>: Ph\u00f9 h\u1ee3p cho vi\u1ec7c ch\u1ee9a \u00e1p su\u1ea5t nh\u01b0ng d\u1ec5 b\u1ecb ch\u1ea3y khi ti\u1ebfp x\u00fac v\u1edbi ng\u1ecdn l\u1eeda trong th\u1eddi gian d\u00e0i (v\u00ed d\u1ee5: nhi\u1ec7t \u0111\u1ed9 400\u00b0C li\u00ean t\u1ee5c c\u00f3 th\u1ec3 l\u00e0m bi\u1ebfn d\u1ea1ng v\u1ecf UL 1203).<\/p>\n\n\n\n

Polycarbonate ph\u1ee7 g\u1ed1m<\/strong>Ch\u1eb7n tia UV v\u00e0 t\u1ef1 d\u1eadp t\u1eaft ng\u1ecdn l\u1eeda trong v\u00f2ng 30 gi\u00e2y (theo ti\u00eau chu\u1ea9n IEC 60079-0), l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 thi\u1ebfu cho c\u00e1c nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t c\u00f3 h\u01a1i ethanol.<\/p>\n\n\n\n

Kho\u1ea3ng c\u00e1ch \u0111\u1ed5i m\u1edbi<\/strong>:
Nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t \u01b0u ti\u00ean kh\u1ea3 n\u0103ng ch\u1ee9a n\u1ed5 h\u01a1n kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y \u0111\u1ec3 gi\u1ea3m chi ph\u00ed, b\u1ecf qua c\u00e1c l\u1edbp ph\u1ee7 nano g\u1ed1m c\u00f3 th\u1ec3 n\u00e2ng cao c\u1ea3 hai t\u00ednh n\u0103ng n\u00e0y l\u00ean 40%.<\/p>\n\n\n\n

4. Th\u1ea7n tho\u1ea1i 4: \u201cC\u00e1c quy tr\u00ecnh b\u1ea3o tr\u00ec l\u00e0 gi\u1ed1ng nhau cho c\u1ea3 hai h\u1ec7 th\u1ed1ng\u201d<\/strong><\/strong><\/h3>\n\n\n\n

S\u1ef1 ch\u00eanh l\u1ec7ch trong b\u1ea3o tr\u00ec<\/strong>:<\/p>\n\n\n\n

Ch\u1ed1ng ch\u00e1y n\u1ed5<\/strong>Y\u00eau c\u1ea7u ki\u1ec3m tra m\u00f4-men xo\u1eafn h\u00e0ng n\u0103m cho c\u00e1c bu-l\u00f4ng v\u1ecf (\u0111\u1ed9 dung sai \u00b110% theo ti\u00eau chu\u1ea9n ISA 60079-17) \u0111\u1ec3 ng\u0103n ng\u1eeba r\u00f2 r\u1ec9 \u00e1p su\u1ea5t.<\/p>\n\n\n\n

Ch\u1ed1ng ch\u00e1y<\/strong>Y\u00eau c\u1ea7u th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c ki\u1ec3m tra nhi\u1ec7t h\u1ed3ng ngo\u1ea1i \u0111\u1ecbnh k\u1ef3 h\u00e0ng qu\u00fd \u0111\u1ec3 ph\u00e1t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng bong tr\u00f3c trong c\u00e1c l\u1edbp ch\u1ed1ng ch\u00e1y.<\/p>\n\n\n\n

V\u00ed d\u1ee5 v\u1ec1 s\u1ef1 c\u1ed1<\/strong>:
M\u1ed9t m\u1ecf than \u1edf \u00dac \u0111\u00e3 x\u1ea3y ra s\u1ef1 c\u1ed1 ch\u00e1y kh\u00ed metan do s\u1ef1 xu\u1ed1ng c\u1ea5p kh\u00f4ng \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t c\u1ee7a l\u1edbp ph\u1ee7 ch\u1ed1ng ch\u00e1y tr\u00ean c\u00e1c thi\u1ebft b\u1ecb ch\u1ed1ng ch\u00e1y n\u1ed5, vi ph\u1ea1m kho\u1ea3ng th\u1eddi gian ki\u1ec3m tra theo ti\u00eau chu\u1ea9n IECEx 60079-17.<\/p>\n\n\n\n

5. Th\u1ea7n tho\u1ea1i 5: \u201cCh\u1ed1ng ch\u00e1y n\u1ed5 l\u00e0 \u0111\u1ee7 cho c\u00e1c r\u1ee7i ro m\u1edbi n\u1ed5i nh\u01b0 l\u01b0u tr\u1eef pin\u201d<\/strong><\/strong><\/h3>\n\n\n\n

Nguy hi\u1ec3m c\u1ee7a pin lithium-ion<\/strong>:<\/p>\n\n\n\n

S\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t<\/strong>: C\u00e1c v\u1ecf b\u1ecdc ch\u1ed1ng ch\u00e1y n\u1ed5 ch\u1ee9a c\u00e1c \u0111\u00e1m ch\u00e1y pin th\u01b0\u1eddng kh\u00f4ng th\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 lan r\u1ed9ng c\u1ee7a ng\u1ecdn l\u1eeda b\u00ean ngo\u00e0i, nh\u01b0 \u0111\u00e3 th\u1ea5y trong v\u1ee5 ch\u00e1y ESS n\u0103m 2024, n\u01a1i nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 1.000\u00b0C.<\/p>\n\n\n\n

Gi\u1ea3i ph\u00e1p<\/strong>Thi\u1ebft k\u1ebf lai k\u1ebft h\u1ee3p v\u1ecf b\u1ea3o v\u1ec7 Ex d v\u1edbi b\u1ed9 l\u1ecdc \u0111\u1ed3ng thau nung k\u1ebft ch\u1ed1ng ch\u00e1y gi\u00fap gi\u1ea3m nguy c\u01a1 lan truy\u1ec1n l\u1eeda xu\u1ed1ng 70%.<\/p>\n\n\n\n

Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai: K\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch an to\u00e0n<\/strong><\/strong><\/h3>\n\n\n\n

C\u1ea3m bi\u1ebfn th\u00f4ng minh<\/strong>C\u00e1c c\u1ea3m bi\u1ebfn ph\u00e1t hi\u1ec7n ng\u1ecdn l\u1eeda t\u00edch h\u1ee3p IoT k\u1ebft h\u1ee3p v\u1edbi \u0111\u00e8n LED ch\u1ed1ng ch\u00e1y n\u1ed5 gi\u00fap gi\u1ea3m th\u1eddi gian ph\u1ea3n \u1ee9ng xu\u1ed1ng d\u01b0\u1edbi 0,5 gi\u00e2y trong c\u00e1c khu v\u1ef1c h\u00f3a d\u1ea7u.<\/p>\n\n\n\n

V\u1eadt li\u1ec7u b\u1ec1n v\u1eefng<\/strong>Ch\u1ea5t ch\u1ed1ng ch\u00e1y c\u00f3 ngu\u1ed3n g\u1ed1c sinh h\u1ecdc (v\u00ed d\u1ee5: ph\u1ee5 gia lignin) thay th\u1ebf c\u00e1c halogen \u0111\u1ed9c h\u1ea1i, tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh REACH c\u1ee7a EU.<\/p>\n\n\n\n

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S\u1ea3n ph\u1ea9m li\u00ean quan<\/h2>\n\n\n\n
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\u0110\u00e8n LED ch\u1ed1ng ch\u00e1y n\u1ed5<\/a><\/h4>\n<\/div>\n\n\n\n
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\u0110\u00e8n LED ch\u1ed1ng n\u01b0\u1edbc, ch\u1ed1ng b\u1ee5i v\u00e0 ch\u1ed1ng va \u0111\u1eadp<\/a><\/h4>\n<\/div>\n\n\n\n
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\u0110\u00e8n chi\u1ebfu s\u00e1ng ch\u1ed1ng ch\u00e1y n\u1ed5 cho tr\u1ea1m x\u0103ng<\/a><\/h4>\n<\/div>\n<\/div><\/div>\n\n\n\n
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\u0110\u00e8n LED chi\u1ebfu s\u00e1ng r\u1ed9ng<\/a><\/h4>\n<\/div>\n\n\n\n
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\u0110\u00e8n \u1ed1ng LED ch\u1ed1ng n\u01b0\u1edbc, ch\u1ed1ng b\u1ee5i v\u00e0 ch\u1ed1ng va \u0111\u1eadp<\/a><\/h4>\n<\/div>\n\n\n\n
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\u0110\u00e8n \u0111\u01b0\u1eddng LED<\/a><\/h4>\n<\/div>\n<\/div><\/div>\n\n\n\n
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<\/p>","protected":false},"excerpt":{"rendered":"

Flame Proof Lighting Myths Debunked: Why “Explosion Proof” Isn’t Always Safer Unmasking Common Misconceptions in Hazardous Area Illumination Introduction: The Dangerous Assumption of Equivalence The terms “flame proof” and “explosion proof” are frequently conflated in industrial lighting, leading to costly and potentially catastrophic misunderstandings. 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