{"id":2147,"date":"2025-03-02T16:05:53","date_gmt":"2025-03-02T08:05:53","guid":{"rendered":"https:\/\/led.amasly.com\/?p=2147"},"modified":"2025-03-06T23:07:12","modified_gmt":"2025-03-06T15:07:12","slug":"explosion-proof-junction-box-introduction-and-application","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/vi\/explosion-proof-equipment\/explosion-proof-junction-box-introduction-and-application\/","title":{"rendered":"Gi\u1edbi thi\u1ec7u v\u00e0 \u1ee9ng d\u1ee5ng h\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5"},"content":{"rendered":"

Gi\u1edbi thi\u1ec7u v\u00e0 \u1ee9ng d\u1ee5ng h\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5<\/strong><\/strong><\/h1>\n\n\n\n

H\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5 <\/strong><\/strong><\/h2>\n\n\n\n
\"\"<\/a><\/figure><\/div>\n\n\n\n

Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 d\u1ea7u kh\u00ed, h\u00f3a ch\u1ea5t, khai th\u00e1c than v\u00e0 luy\u1ec7n kim, th\u01b0\u1eddng xuy\u00ean x\u1ea3y ra c\u00e1c t\u00ecnh hu\u1ed1ng c\u00f3 kh\u00ed d\u1ec5 ch\u00e1y ho\u1eb7c b\u1ee5i trong chu\u1ed7i s\u1ea3n xu\u1ea5t, t\u1ea1o ra m\u00f4i tr\u01b0\u1eddng d\u1ec5 ch\u00e1y, n\u1ed5 v\u00e0 b\u1ee5i b\u1ea9n. Thi\u1ebft b\u1ecb \u0111i\u1ec7n th\u00f4ng th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh, n\u1ebfu c\u00f3 tia l\u1eeda \u0111i\u1ec7n, s\u1ebd kh\u00f4ng tr\u00e1nh kh\u1ecfi g\u00e2y ra ch\u00e1y n\u1ed5, d\u1eabn \u0111\u1ebfn th\u01b0\u01a1ng vong v\u00e0 thi\u1ec7t h\u1ea1i t\u00e0i s\u1ea3n nghi\u00eam tr\u1ecdng. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111i\u1ec7n an to\u00e0n trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng n\u00e0y? C\u00e1c s\u1ea3n ph\u1ea9m ch\u1ed1ng ch\u00e1y n\u1ed5 ra \u0111\u1eddi, trong \u0111\u00f3 t\u1ee7 ch\u1ed1ng ch\u00e1y n\u1ed5 l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m \u0111i\u1ec7n r\u1ea5t quan tr\u1ecdng, kh\u00f4ng ch\u1ec9 ng\u0103n ch\u1eb7n ch\u00e1y n\u1ed5 m\u00e0 c\u00f2n ng\u0103n ch\u1eb7n b\u1ee5i, \u1ea9m, kh\u00f3i v\u00e0 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m kh\u00e1c x\u00e2m nh\u1eadp.<\/p>\n\n\n\n

So v\u1edbi h\u1ed9p n\u1ed1i d\u00e2n d\u1ee5ng, h\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh h\u1ed9p n\u1ed1i c\u00f3 ch\u1ee9c n\u0103ng ch\u1ed1ng ch\u00e1y n\u1ed5. Thi\u1ebft b\u1ecb \u0111i\u1ec7n khi s\u1eed d\u1ee5ng ph\u1ea3i \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng d\u00e2y ho\u1eb7c c\u00e1p v\u00e0 m\u1ea1ng c\u1ea5p \u0111i\u1ec7n \u0111\u1ec3 t\u1ea1o th\u00e0nh h\u1ec7 th\u1ed1ng ho\u00e0n ch\u1ec9nh ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3; tuy nhi\u00ean, d\u00e2y ho\u1eb7c c\u00e1p k\u1ebft n\u1ed1i kh\u00f4ng th\u1ec3 d\u00e0i v\u00f4 h\u1ea1n, v\u00e0 trong qu\u00e1 tr\u00ecnh k\u1ebft n\u1ed1i c\u00f3 nhi\u1ec1u v\u1ecb tr\u00ed c\u1ea7n k\u1ebft n\u1ed1i song song, n\u1ed1i ti\u1ebfp \u0111\u1ec3 l\u1ea5y d\u00e2y. \u0110i\u1ec1u n\u00e0y kh\u00f4ng tr\u00e1nh kh\u1ecfi vi\u1ec7c c\u00e1c m\u1ed1i n\u1ed1i b\u1ecb l\u1ed9 ra m\u1ed9t ph\u1ea7n, d\u1ec5 g\u00e2y ra tai n\u1ea1n. S\u1ea3n ph\u1ea9m h\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t \u0111\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y, nh\u1eb1m \u0111\u1ea3m b\u1ea3o an to\u00e0n s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n

C\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 b\u1ea3o v\u1ec7 ch\u1ed1ng n\u1ed5<\/strong>
 Tr\u01b0\u1edbc h\u1ebft, ch\u00fang t\u00f4i xin gi\u1edbi thi\u1ec7u m\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 b\u1ea3o v\u1ec7 ch\u1ed1ng n\u1ed5:<\/strong>
<\/strong>  <\/strong> C\u00e1c qu\u1ed1c gia v\u00e0 khu v\u1ef1c kh\u00e1c nhau c\u00f3 c\u00e1c ti\u00eau chu\u1ea9n kh\u00e1c nhau v\u1ec1 ch\u1ed1ng ch\u00e1y n\u1ed5. C\u00e1c ti\u00eau chu\u1ea9n ch\u00ednh \u0111\u01b0\u1ee3c tham kh\u1ea3o bao g\u1ed3m ti\u00eau chu\u1ea9n GB c\u1ee7a Trung Qu\u1ed1c, ti\u00eau chu\u1ea9n IEC c\u1ee7a \u1ee6y ban K\u1ef9 thu\u1eadt \u0110i\u1ec7n Qu\u1ed1c t\u1ebf (IEC), ti\u00eau chu\u1ea9n EN c\u1ee7a Ch\u00e2u \u00c2u, Ch\u1ec9 th\u1ecb ATEX do Li\u00ean minh Ch\u00e2u \u00c2u ph\u00e1t tri\u1ec3n v\u00e0 ti\u00eau chu\u1ea9n NEC505. C\u1ea7n l\u01b0u \u00fd r\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n NEC500 series \u1edf B\u1eafc M\u1ef9 c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn so v\u1edbi n\u1ed9i dung \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean. N\u1ebfu ng\u01b0\u1eddi d\u00f9ng c\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n NEC500 series, c\u1ea7n l\u1ef1a ch\u1ecdn theo th\u00f4ng tin t\u01b0\u01a1ng \u1ee9ng v\u00e0 kh\u00f4ng th\u1ec3 tham kh\u1ea3o c\u00e1c n\u1ed9i dung sau \u0111\u00e2y.<\/p>\n\n\n\n

Ph\u00e2n lo\u1ea1i c\u00e1c ch\u1ea5t n\u1ed5  <\/strong><\/strong><\/h3>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n

Ch\u1ea5t n\u1ed5 \u0111\u01b0\u1ee3c chia th\u00e0nh ba nh\u00f3m ch\u00ednh theo m\u1ee9c \u0111\u1ed9 d\u1ec5 ch\u00e1y: 1, m\u1ecf than ng\u1ea7m do c\u00f3 kh\u00ed v\u00e0 b\u1ee5i than \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i v\u00e0o Nh\u00f3m I v\u00e0 s\u1ebd kh\u00f4ng ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c chia nh\u1ecf; 2, c\u00e1c lo\u1ea1i kh\u00ed n\u1ed5 c\u00f2n l\u1ea1i \u0111\u01b0\u1ee3c chia th\u00e0nh ba c\u1ea5p \u0111\u1ed9 \u2161A, \u2161B, \u2161C; 3, b\u1ee5i n\u1ed5 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh \u2162A, \u2162B, \u2162C theo \u0111\u1eb7c t\u00ednh c\u1ee7a n\u00f3. Thi\u1ebft b\u1ecb c\u00f3 nh\u00e3n \u2162B c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n c\u1ee7a thi\u1ebft b\u1ecb \u2162A, thi\u1ebft b\u1ecb c\u00f3 nh\u00e3n \u2162C c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho \u2162B v\u00e0 \u2162A. Thi\u1ebft b\u1ecb c\u00f3 nh\u00e3n \u2162C c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n c\u1ee7a \u2162B v\u00e0 \u2162A.<\/p>\n\n\n\n

Ph\u00e2n lo\u1ea1i khu v\u1ef1c nguy hi\u1ec3m do ch\u1ea5t n\u1ed5<\/strong><\/strong><\/h3>\n\n\n\n

Khu v\u1ef1c 0: S\u1ef1 hi\u1ec7n di\u1ec7n li\u00ean t\u1ee5c ho\u1eb7c th\u01b0\u1eddng xuy\u00ean c\u1ee7a c\u00e1c kh\u00ed d\u1ec5 ch\u00e1y, v.v. trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n

Khu v\u1ef1c 1: Kh\u00ed d\u1ec5 ch\u00e1y, v.v., c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n

Khu v\u1ef1c 2: Kh\u00ed d\u1ec5 ch\u00e1y, v.v., kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng xu\u1ea5t hi\u1ec7n trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n

Khu v\u1ef1c 20: N\u01a1i c\u00f3 s\u1ef1 t\u00edch t\u1ee5 li\u00ean t\u1ee5c ho\u1eb7c th\u01b0\u1eddng xuy\u00ean c\u1ee7a b\u1ee5i d\u1ec5 ch\u00e1y, v.v., trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n

Khu v\u1ef1c 21: N\u1ed3ng \u0111\u1ed9 b\u1ee5i d\u1ec5 ch\u00e1y c\u00f3 th\u1ec3 \u0111\u1ea1t m\u1ee9c g\u00e2y n\u1ed5 trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n

Khu v\u1ef1c 22: N\u1ed3ng \u0111\u1ed9 b\u1ee5i d\u1ec5 ch\u00e1y \u1edf m\u1ee9c c\u00f3 th\u1ec3 g\u00e2y n\u1ed5, v.v., m\u00e0 trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng \u00edt khi t\u1ed3n t\u1ea1i.<\/p>\n\n\n\n

Nhi\u1ec7t \u0111\u1ed9 b\u1eaft l\u1eeda c\u1ee7a kh\u00ed n\u1ed5<\/strong><\/strong><\/h3>\n\n\n\n

Th\u00f4ng th\u01b0\u1eddng, nhi\u1ec7t \u0111\u1ed9 ch\u00e1y c\u1ee7a kh\u00ed n\u1ed5 \u0111\u01b0\u1ee3c chia th\u00e0nh s\u00e1u nh\u00f3m T1 ~ T6. C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng nhi\u1ec7t \u0111\u1ed9 ch\u00e1y c\u1ee7a nh\u00f3m T6 l\u00e0 th\u1ea5p nh\u1ea5t, t\u1ee9c l\u00e0 nh\u00f3m T6 d\u1ec5 ch\u00e1y nh\u1ea5t. Do \u0111\u00f3, n\u1ebfu thi\u1ebft b\u1ecb \u0111i\u1ec7n ph\u1ea3i \u0111\u00e1p \u1ee9ng m\u00f4i tr\u01b0\u1eddng kh\u00ed c\u1ee7a nh\u00f3m T6, th\u00ec c\u0169ng kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi vi\u1ec7c ph\u1ea3i \u0111\u00e1p \u1ee9ng m\u00f4i tr\u01b0\u1eddng kh\u00ed c\u1ee7a c\u00e1c nh\u00f3m T1-T5. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 thi\u1ebft b\u1ecb c\u00f3 nh\u00f3m nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n s\u1ebd an to\u00e0n h\u01a1n (t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c). (Tham kh\u1ea3o: IEC60079, EN60079, NEC505)<\/p>\n\n\n\n

M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb<\/strong><\/strong><\/h3>\n\n\n\n

\u0110\u1ec3 thu\u1eadn ti\u1ec7n cho vi\u1ec7c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb ch\u1ed1ng ch\u00e1y n\u1ed5, m\u1ee9c b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb (EPL) \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a. C\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb ch\u1ed1ng ch\u00e1y n\u1ed5 kh\u00e1c nhau, mi\u1ec5n l\u00e0 m\u1ee9c EPL gi\u1ed1ng nhau, th\u00ec kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 c\u1ee7a ch\u00fang c\u0169ng gi\u1ed1ng nhau theo m\u1eb7c \u0111\u1ecbnh, t\u1ee9c l\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong c\u00f9ng m\u1ed9t khu v\u1ef1c c\u00f3 nguy c\u01a1 ch\u00e1y n\u1ed5. (Tham kh\u1ea3o: Ti\u00eau chu\u1ea9n IEC 60079, Ti\u00eau chu\u1ea9n EN v\u00e0 Ch\u1ec9 th\u1ecb ATEX c\u1ee7a Li\u00ean minh Ch\u00e2u \u00c2u) S\u1eed d\u1ee5ng h\u1ed9p \u0111\u1ea7u cu\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5<\/strong><\/p>\n\n\n\n

C\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba khi l\u1ef1a ch\u1ecdn h\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5<\/strong><\/strong><\/h2>\n\n\n\n

1. L\u1ef1a ch\u1ecdn l\u1edbp ch\u1ed1ng ch\u00e1y n\u1ed5 theo y\u00eau c\u1ea7u c\u1ee7a m\u00f4i tr\u01b0\u1eddng<\/strong><\/strong><\/h3>\n\n\n\n

Trong vi\u1ec7c l\u1ef1a ch\u1ecdn h\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5, tr\u01b0\u1edbc ti\u00ean c\u1ea7n x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 ch\u1ed1ng ch\u00e1y n\u1ed5 ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u c\u1ee7a m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c th\u1ef1c t\u1ebf. C\u00e1c khu v\u1ef1c c\u00f4ng nghi\u1ec7p kh\u00e1c nhau c\u00f3 y\u00eau c\u1ea7u kh\u00e1c nhau v\u1ec1 m\u1ee9c \u0111\u1ed9 ch\u1ed1ng ch\u00e1y n\u1ed5, do \u0111\u00f3 c\u1ea7n l\u1ef1a ch\u1ecdn h\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5 ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

2. Ki\u1ebfn th\u1ee9c v\u1ec1 v\u1eadt li\u1ec7u v\u00e0 m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/strong><\/strong><\/h3>\n\n\n\n

H\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5 th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb th\u00e9p kh\u00f4ng g\u1ec9, h\u1ee3p kim nh\u00f4m ho\u1eb7c v\u1eadt li\u1ec7u composite s\u1ee3i th\u1ee7y tinh (FRP), c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t. \u0110\u1ed3ng th\u1eddi, vi\u1ec7c hi\u1ec3u r\u00f5 m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a b\u1ee5i, h\u01a1i n\u01b0\u1edbc v\u00e0 kh\u00ed \u0103n m\u00f2n.<\/p>\n\n\n\n

3. L\u1ef1a ch\u1ecdn k\u00edch th\u01b0\u1edbc v\u00e0 ph\u1ee5 ki\u1ec7n ph\u00f9 h\u1ee3p<\/strong><\/strong><\/h3>\n\n\n\n

Khi l\u1ef1a ch\u1ecdn h\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5, b\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u00e0 ph\u1ee5 ki\u1ec7n ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean s\u1ed1 l\u01b0\u1ee3ng v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a thi\u1ebft b\u1ecb c\u1ea7n l\u1eafp \u0111\u1eb7t. K\u00edch th\u01b0\u1edbc v\u00e0 ph\u1ee5 ki\u1ec7n h\u1ee3p l\u00fd kh\u00f4ng ch\u1ec9 gi\u00fap vi\u1ec7c l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb thu\u1eadn ti\u1ec7n h\u01a1n m\u00e0 c\u00f2n c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m kh\u00f4ng gian m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

S\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch h\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5<\/strong><\/strong><\/h2>\n\n\n\n

1. Ki\u1ec3m tra v\u00e0 b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3<\/strong><\/strong><\/h3>\n\n\n\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a h\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5, c\u1ea7n ti\u1ebfn h\u00e0nh ki\u1ec3m tra v\u00e0 b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3. C\u1ea7n ki\u1ec3m tra xem b\u1ec1 m\u1eb7t b\u00ean ngo\u00e0i c\u1ee7a h\u1ed9p n\u1ed1i c\u00f3 b\u1ecb h\u01b0 h\u1ecfng kh\u00f4ng, d\u00e2y \u0111i\u1ec7n c\u00f3 ch\u1eafc ch\u1eafn kh\u00f4ng v\u00e0 thi\u1ebft b\u1ecb ch\u1ed1ng ch\u00e1y n\u1ed5 c\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng kh\u00f4ng. N\u1ebfu ph\u00e1t hi\u1ec7n v\u1ea5n \u0111\u1ec1, c\u1ea7n s\u1eeda ch\u1eefa v\u00e0 thay th\u1ebf k\u1ecbp th\u1eddi \u0111\u1ec3 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng an to\u00e0n c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

2. Tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 s\u1eed d\u1ee5ng<\/strong><\/strong><\/h3>\n\n\n\n

Khi s\u1eed d\u1ee5ng h\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5, c\u1ea7n tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c quy \u0111\u1ecbnh li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng. Vi\u1ec7c th\u00e1o d\u1ee1 ho\u1eb7c s\u1eeda \u0111\u1ed5i h\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5 m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p l\u00e0 b\u1ecb c\u1ea5m, nh\u1eb1m tr\u00e1nh l\u00e0m h\u1ecfng c\u1ea5u tr\u00fac ch\u1ed1ng ch\u00e1y n\u1ed5, d\u1eabn \u0111\u1ebfn c\u00e1c tai n\u1ea1n an to\u00e0n. \u0110\u1ed3ng th\u1eddi, c\u0169ng c\u1ea7n tr\u00e1nh s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb th\u00f4ng th\u01b0\u1eddng trong m\u00f4i tr\u01b0\u1eddng d\u1ec5 ch\u00e1y n\u1ed5 v\u00e0 n\u00ean s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb c\u00f3 t\u00ednh n\u0103ng ch\u1ed1ng ch\u00e1y n\u1ed5 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n

3. N\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e0o t\u1ea1o nh\u00e2n vi\u00ean<\/strong><\/strong><\/h3>\n\n\n\n

\u0110\u1ed1i v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng h\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5, c\u1ea7n t\u0103ng c\u01b0\u1eddng \u0111\u00e0o t\u1ea1o an to\u00e0n li\u00ean quan \u0111\u1ec3 n\u00e2ng cao hi\u1ec3u bi\u1ebft c\u1ee7a nh\u00e2n vi\u00ean v\u1ec1 thi\u1ebft b\u1ecb ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 k\u1ef9 n\u0103ng v\u1eadn h\u00e0nh. Ch\u1ec9 nh\u1eefng nh\u00e2n vi\u00ean \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o chuy\u00ean nghi\u1ec7p m\u1edbi c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng v\u00e0 b\u1ea3o tr\u00ec h\u1ed9p n\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, t\u1eeb \u0111\u00f3 hi\u1ec7u qu\u1ea3 ph\u00f2ng ng\u1eeba v\u00e0 \u1ee9ng ph\u00f3 v\u1edbi c\u00e1c s\u1ef1 c\u1ed1 an to\u00e0n c\u00f3 th\u1ec3 x\u1ea3y ra.<\/p>","protected":false},"excerpt":{"rendered":"

Explosion-proof junction box introduction and application Explosion-proof junction box In industries such as petroleum, chemical, coal mining and metallurgy, there are often scenarios of combustible gases or dusts in the production chain, which are flammable, explosive and dusty environments. Ordinary electrical equipment in the operation process, if an electric spark, will inevitably cause combustion or […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8],"tags":[],"class_list":["post-2147","post","type-post","status-publish","format-standard","hentry","category-explosion-proof-equipment"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/vi\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"Explosion-proof junction box introduction and application Explosion-proof junction box In industries such as petroleum, chemical, coal mining and metallurgy, there are often scenarios of combustible gases or dusts in the production chain, which are flammable, explosive and dusty environments. Ordinary electrical equipment in the operation process, if an electric spark, will inevitably cause combustion or…","_links":{"self":[{"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/posts\/2147","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/comments?post=2147"}],"version-history":[{"count":2,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/posts\/2147\/revisions"}],"predecessor-version":[{"id":2306,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/posts\/2147\/revisions\/2306"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/media?parent=2147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/categories?post=2147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/tags?post=2147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}