{"id":2038,"date":"2025-02-27T20:00:16","date_gmt":"2025-02-27T12:00:16","guid":{"rendered":"https:\/\/led.amasly.com\/?p=2038"},"modified":"2025-03-06T22:22:19","modified_gmt":"2025-03-06T14:22:19","slug":"mobile-and-portable-explosion-proof-equipment-explosionproof-flashlight-explosionproof-cell-phone-introduction","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/vi\/light\/mobile-and-portable-explosion-proof-equipment-explosionproof-flashlight-explosionproof-cell-phone-introduction\/","title":{"rendered":"Gi\u1edbi thi\u1ec7u v\u1ec1 thi\u1ebft b\u1ecb ch\u1ed1ng ch\u00e1y n\u1ed5 di \u0111\u1ed9ng v\u00e0 c\u1ea7m tay, \u0111\u00e8n pin ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng ch\u1ed1ng ch\u00e1y n\u1ed5."},"content":{"rendered":"

M<\/strong>Thi\u1ebft b\u1ecb di \u0111\u1ed9ng v\u00e0 c\u1ea7m tay ch\u1ed1ng ch\u00e1y n\u1ed5 \u2013 ch\u00e1y n\u1ed5<\/strong> <\/strong>\u0110\u00e8n pin ch\u1ed1ng ch\u00e1y n\u1ed5, ch\u1ed1ng n\u1ed5<\/strong> <\/strong>Gi\u1edbi thi\u1ec7u \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng<\/strong><\/strong><\/h1>\n\n\n\n

Trong khu v\u1ef1c s\u1ea3n xu\u1ea5t c\u00f3 m\u00f4i tr\u01b0\u1eddng nguy hi\u1ec3m d\u1ec5 ch\u00e1y n\u1ed5, c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n di \u0111\u1ed9ng ch\u1ed1ng ch\u00e1y n\u1ed5 nh\u01b0 \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng ch\u1ed1ng ch\u00e1y n\u1ed5, b\u1ed9 \u0111\u00e0m ch\u1ed1ng ch\u00e1y n\u1ed5, \u0111\u00e8n pin ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n di \u0111\u1ed9ng ch\u1ed1ng ch\u00e1y n\u1ed5 kh\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i.<\/p>\n\n\n\n

\"\"<\/a><\/figure><\/div>\n\n\n\n

Y\u00eau c\u1ea7u chung v\u1ec1 l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb di \u0111\u1ed9ng v\u00e0 thi\u1ebft b\u1ecb c\u1ea7m tay trong m\u00f4i tr\u01b0\u1eddng kh\u00ed d\u1ec5 ch\u00e1y n\u1ed5 kh\u00e1c v\u1edbi thi\u1ebft b\u1ecb l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh. Thi\u1ebft b\u1ecb di \u0111\u1ed9ng ho\u1eb7c thi\u1ebft b\u1ecb c\u1ea7m tay ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ea1m th\u1eddi t\u1ea1i c\u00e1c khu v\u1ef1c nguy hi\u1ec3m. Lo\u1ea1i thi\u1ebft b\u1ecb n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m: m\u00e1y ph\u00e1t \u0111i\u1ec7n kh\u1ea9n c\u1ea5p, m\u00e1y h\u00e0n, xe n\u00e2ng c\u00f4ng nghi\u1ec7p (xe n\u00e2ng), m\u00e1y n\u00e9n kh\u00ed, qu\u1ea1t \u0111i\u1ec7n ho\u1eb7c m\u00e1y th\u1ed5i, d\u1ee5ng c\u1ee5 \u0111i\u1ec7n c\u1ea7m tay, m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n.<\/p>\n\n\n\n

Thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o ho\u1eb7c mang v\u00e0o khu v\u1ef1c nguy hi\u1ec3m ph\u1ea3i c\u00f3 m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p. N\u1ebfu thi\u1ebft b\u1ecb di \u0111\u1ed9ng ho\u1eb7c thi\u1ebft b\u1ecb c\u1ea7m tay \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong khu v\u1ef1c nguy hi\u1ec3m kh\u00f4ng \u0111\u00e1p \u1ee9ng m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb (EPL) th\u00f4ng th\u01b0\u1eddng y\u00eau c\u1ea7u, ph\u1ea3i th\u1ef1c hi\u1ec7n quy tr\u00ecnh qu\u1ea3n l\u00fd nguy hi\u1ec3m \u0111\u01b0\u1ee3c ghi ch\u00e9p. Quy tr\u00ecnh n\u00e0y ph\u1ea3i bao g\u1ed3m \u0111\u00e0o t\u1ea1o ph\u00f9 h\u1ee3p, quy tr\u00ecnh v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n

T\u00f9y thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u s\u1eed d\u1ee5ng v\u00e0 t\u00ednh linh ho\u1ea1t, c\u00e1c v\u1ecb tr\u00ed kh\u00e1c nhau c\u00f3 th\u1ec3 y\u00eau c\u1ea7u s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb di \u0111\u1ed9ng, thi\u1ebft b\u1ecb c\u1ea7m tay. C\u00e1c khu v\u1ef1c y\u00eau c\u1ea7u m\u1ee9c EPL cao h\u01a1n kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb c\u00f3 m\u1ee9c EPL th\u1ea5p h\u01a1n, tr\u1eeb khi c\u00f3 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 kh\u00e1c. Tuy nhi\u00ean, tr\u00ean th\u1ef1c t\u1ebf, vi\u1ec7c \u00e1p d\u1ee5ng h\u1ea1n ch\u1ebf n\u00e0y c\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb di \u0111\u1ed9ng. Do \u0111\u00f3, khuy\u1ebfn ngh\u1ecb r\u1eb1ng t\u1ea5t c\u1ea3 thi\u1ebft b\u1ecb ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u c\u1ee7a khu v\u1ef1c y\u00eau c\u1ea7u m\u1ee9c EPL cao nh\u1ea5t. T\u01b0\u01a1ng t\u1ef1, vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i thi\u1ebft b\u1ecb v\u00e0 nh\u00f3m nhi\u1ec7t \u0111\u1ed9 ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i kh\u00ed, h\u01a1i v\u00e0 b\u1ee5i c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i t\u1ea1i n\u01a1i s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb l\u00e0 \u0111i\u1ec1u mong mu\u1ed1n. Pin d\u1ef1 ph\u00f2ng kh\u00f4ng n\u00ean mang v\u00e0o khu v\u1ef1c nguy hi\u1ec3m tr\u1eeb khi c\u00f3 c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba th\u00edch h\u1ee3p.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111i\u1ec7n di \u0111\u1ed9ng ho\u1eb7c c\u1ea7m tay, trong tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u1ecf b\u1ecdc kim lo\u1ea1i linh ho\u1ea1t ho\u1eb7c l\u1edbp b\u1ea3o v\u1ec7 trong c\u00e1p, v\u1ecf b\u1ecdc ho\u1eb7c l\u1edbp b\u1ea3o v\u1ec7 kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m d\u00e2y d\u1eabn b\u1ea3o v\u1ec7 duy nh\u1ea5t. C\u00e1p ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi s\u01a1 \u0111\u1ed3 b\u1ea3o v\u1ec7 m\u1ea1ch, v\u00ed d\u1ee5 khi s\u1eed d\u1ee5ng gi\u00e1m s\u00e1t \u0111\u1ea5t, v\u00e0 ph\u1ea3i bao g\u1ed3m s\u1ed1 l\u01b0\u1ee3ng d\u00e2y d\u1eabn c\u1ea7n thi\u1ebft. N\u1ebfu thi\u1ebft b\u1ecb c\u1ea7n \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t, c\u00e1p c\u00f3 th\u1ec3 bao g\u1ed3m m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 kim lo\u1ea1i linh ho\u1ea1t n\u1ed1i \u0111\u1ea5t ngo\u00e0i d\u00e2y d\u1eabn n\u1ed1i \u0111\u1ea5t (PE).<\/p>\n\n\n\n

Thi\u1ebft b\u1ecb \u0111i\u1ec7n di \u0111\u1ed9ng (c\u1ea7m tay, di \u0111\u1ed9ng v\u00e0 c\u00f3 th\u1ec3 th\u00e1o r\u1eddi) \u0111\u1eb7c bi\u1ec7t d\u1ec5 b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c s\u1eed d\u1ee5ng sai c\u00e1ch, do \u0111\u00f3 kho\u1ea3ng th\u1eddi gian gi\u1eefa c\u00e1c l\u1ea7n ki\u1ec3m tra gi\u00e1m s\u00e1t li\u00ean ti\u1ebfp c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c r\u00fat ng\u1eafn t\u00f9y theo \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf. Thi\u1ebft b\u1ecb \u0111i\u1ec7n di \u0111\u1ed9ng n\u00ean \u0111\u01b0\u1ee3c ki\u1ec3m tra \u00edt nh\u1ea5t m\u1ed9t l\u1ea7n m\u1ed7i 12 th\u00e1ng, v\u00e0 c\u00e1c v\u1ecf b\u1ecdc th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c m\u1edf (v\u00ed d\u1ee5: n\u1eafp pin) n\u00ean \u0111\u01b0\u1ee3c ki\u1ec3m tra chi ti\u1ebft. Ngo\u00e0i ra, thi\u1ebft b\u1ecb n\u00e0y n\u00ean \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 h\u01b0 h\u1ecfng r\u00f5 r\u00e0ng tr\u00ean thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

Ki\u1ebfn th\u1ee9c v\u1ec1 thi\u1ebft b\u1ecb ch\u1ed1ng ch\u00e1y n\u1ed5: 10 c\u00e2u h\u1ecfi<\/strong><\/strong><\/h2>\n\n\n\n

1. Ki\u1ec3m tra khu v\u1ef1c d\u1ec5 ch\u00e1y n\u1ed5 b\u1eb1ng \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng kh\u00f4ng ch\u1ed1ng ch\u00e1y n\u1ed5, \u0111\u1eb7t \u0111i\u1ec7n tho\u1ea1i v\u00e0o ch\u1ebf \u0111\u1ed9 m\u00e1y bay \u0111\u1ec3 ch\u1ee5p \u1ea3nh, c\u00f3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u kh\u00f4ng?<\/strong><\/strong><\/h3>\n\n\n\n

Tr\u01b0\u1edbc h\u1ebft, b\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh xem khu v\u1ef1c d\u1ec5 ch\u00e1y n\u1ed5 c\u00f3 ph\u1ea3i l\u00e0 khu v\u1ef1c ch\u1ed1ng ch\u00e1y n\u1ed5 hay kh\u00f4ng. N\u1ebfu khu v\u1ef1c \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 khu v\u1ef1c ch\u1ed1ng ch\u00e1y n\u1ed5, v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ch\u1ebf \u0111\u1ed9 m\u00e1y bay \u0111\u1ec3 ch\u1ee5p \u1ea3nh. N\u1ebfu khu v\u1ef1c \u0111\u00f3 l\u00e0 khu v\u1ef1c ch\u1ed1ng ch\u00e1y n\u1ed5, b\u1ea1n kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n kh\u00f4ng ch\u1ed1ng ch\u00e1y n\u1ed5. C\u00e1c khu v\u1ef1c d\u1ec5 ch\u00e1y n\u1ed5 ti\u1ec1m \u1ea9n nguy c\u01a1 an to\u00e0n r\u1ea5t cao, v\u00ec tia l\u1eeda, t\u0129nh \u0111i\u1ec7n, v.v. c\u00f3 th\u1ec3 g\u00e2y ra n\u1ed5 ho\u1eb7c ch\u00e1y. \u0110i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng kh\u00f4ng ch\u1ed1ng ch\u00e1y n\u1ed5 kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t v\u1edbi c\u00e1c bi\u1ec7n ph\u00e1p ch\u1ed1ng ch\u00e1y n\u1ed5 c\u1ee5 th\u1ec3, v\u00e0 c\u00e1c m\u1ea1ch \u0111i\u1ec7n b\u00ean trong c\u00f9ng pin c\u1ee7a ch\u00fang v\u1eabn c\u00f3 th\u1ec3 t\u1ea1o ra tia l\u1eeda \u0111i\u1ec7n nh\u1ecf ho\u1eb7c gi\u1ea3i ph\u00f3ng t\u0129nh \u0111i\u1ec7n trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng, t\u1eeb \u0111\u00f3 tr\u1edf th\u00e0nh ngu\u1ed3n g\u00e2y ch\u00e1y ti\u1ec1m \u1ea9n. Ch\u1ebf \u0111\u1ed9 m\u00e1y bay ch\u1ec9 t\u1eaft ch\u1ee9c n\u0103ng li\u00ean l\u1ea1c c\u1ee7a \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, nh\u01b0ng kh\u00f4ng thay \u0111\u1ed5i \u0111\u1eb7c t\u00ednh m\u1ea1ch v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 nguy hi\u1ec3m ti\u1ec1m \u1ea9n c\u1ee7a ch\u00ednh \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho t\u00ednh m\u1ea1ng con ng\u01b0\u1eddi v\u00e0 an to\u00e0n, \u1ed5n \u0111\u1ecbnh c\u1ee7a khu v\u1ef1c, n\u00ean s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn ch\u1ed1ng ch\u00e1y n\u1ed5 cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng nh\u01b0 ch\u1ee5p \u1ea3nh.<\/p>\n\n\n\n

Ph\u00f2ng l\u00f2 h\u01a1i gas (Lo\u1ea1i D, ng\u1ecdn l\u1eeda m\u1edf) trong khu v\u1ef1c c\u00f3 nguy c\u01a1 n\u1ed5 ph\u1ea3i \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c khu v\u1ef1c nh\u01b0 th\u1ebf n\u00e0o? C\u00e1ch l\u1ef1a ch\u1ecdn lo\u1ea1i thi\u1ebft b\u1ecb \u0111i\u1ec7n ch\u1ed1ng n\u1ed5 ph\u00f9 h\u1ee3p?<\/strong><\/strong><\/h3>\n\n\n\n

Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb c\u00f3 ng\u1ecdn l\u1eeda m\u1edf ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t n\u00f3ng v\u01b0\u1ee3t qu\u00e1 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a kh\u00ed d\u1ec5 ch\u00e1y trong khu v\u1ef1c xung quanh thi\u1ebft b\u1ecb. V\u00ed d\u1ee5 nh\u01b0 ph\u00f2ng l\u00f2 h\u01a1i, ph\u00f2ng l\u00f2 n\u01b0\u1edbc n\u00f3ng. C\u00e1c ph\u00f2ng l\u00f2 h\u01a1i, ph\u00f2ng l\u00f2 h\u01a1i d\u1ea7u, ph\u00f2ng l\u00f2 h\u01a1i kh\u00ed \u0111\u1ed1t n\u1eb1m trong c\u00e1c t\u00f2a nh\u00e0 kh\u00e1c n\u00ean \u0111\u01b0\u1ee3c trang b\u1ecb h\u1ec7 th\u1ed1ng c\u1ea5p kh\u00ed v\u00e0 tho\u00e1t kh\u00ed \u0111\u1ed9c l\u1eadp, thi\u1ebft b\u1ecb th\u00f4ng gi\u00f3 ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y n\u1ed5. Do \u0111\u00f3, ph\u00f2ng l\u00f2 h\u01a1i gas kh\u00f4ng \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c khu v\u1ef1c nguy hi\u1ec3m v\u1ec1 n\u1ed5. Thi\u1ebft b\u1ecb th\u00f4ng gi\u00f3 c\u1ee7a ph\u00f2ng l\u00f2 h\u01a1i gas ph\u1ea3i s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb ch\u1ed1ng n\u1ed5.<\/p>\n\n\n\n

3 b\u01a1m chuy\u1ec3n ch\u1ea5t l\u1ecfng hydro peroxide c\u00f3 c\u1ea7n \u0111\u1ed9ng c\u01a1 ch\u1ed1ng ch\u00e1y n\u1ed5 kh\u00f4ng? L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 ch\u1ed1ng ch\u00e1y n\u1ed5?<\/strong><\/strong><\/h3>\n\n\n\n

B\u1ec3 ch\u1ee9a hydro peroxide \u0111\u01a1n gi\u1ea3n, ph\u1ea1m vi b\u1ec3 ch\u1ee9a kh\u00f4ng y\u00eau c\u1ea7u ch\u1ed1ng ch\u00e1y n\u1ed5. B\u1ec3 ch\u1ee9a c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo kho\u1ea3ng c\u00e1ch b\u1ec3 ch\u1ee9a lo\u1ea1i A, b\u1ec3 ch\u1ee9a v\u00e0 thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t ph\u1ea3i duy tr\u00ec kho\u1ea3ng c\u00e1ch ch\u1ed1ng ch\u00e1y, b\u1ec3 ch\u1ee9a c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea7n thi\u1ebft b\u1ecb \u0111i\u1ec7n ch\u1ed1ng ch\u00e1y n\u1ed5; v\u00ed d\u1ee5 nh\u01b0 kh\u00f4ng c\u00f3 kh\u00ed kh\u00e1c ho\u1eb7c b\u1ee5i, m\u00f4i tr\u01b0\u1eddng hydro peroxide \u0111\u01a1n gi\u1ea3n c\u00f3 th\u1ec3 ch\u1ecdn m\u1ee9c b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n ph\u00f9 h\u1ee3p, c\u00e1c thi\u1ebft l\u1eadp ch\u1ed1ng ch\u00e1y n\u1ed5 kh\u00f4ng c\u00f3 \u00fd ngh\u0129a l\u1edbn.<\/p>\n\n\n\n

4 natri dithionit c\u00f3 ph\u1ea3i l\u00e0 b\u1ee5i d\u1ec5 ch\u00e1y kh\u00f4ng?<\/strong><\/strong><\/h3>\n\n\n\n

Natri dithionit kh\u00f4ng \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea trong \u201cDanh m\u1ee5c b\u1ee5i d\u1ec5 ch\u00e1y quan tr\u1ecdng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 th\u01b0\u01a1ng m\u1ea1i (phi\u00ean b\u1ea3n 2015)\u201d. \u0110\u1ed1i v\u1edbi b\u1ee5i kh\u00f4ng \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea trong danh m\u1ee5c v\u00e0 ti\u00eau chu\u1ea9n ch\u1ed1ng ch\u00e1y n\u1ed5, vi\u1ec7c x\u00e1c \u0111\u1ecbnh tu\u00e2n theo ti\u00eau chu\u1ea9n GB\/T 3836.12-2019 \u201cM\u00f4i tr\u01b0\u1eddng d\u1ec5 ch\u00e1y - Ph\u1ea7n 12: Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u1eb7c t\u00ednh c\u1ee7a c\u00e1c ch\u1ea5t b\u1ee5i d\u1ec5 ch\u00e1y\u201d.<\/p>\n\n\n\n

5 Thi\u1ebft b\u1ecb lo\u1ea1i C c\u00f3 c\u1ea7n ph\u1ea3i chia th\u00e0nh c\u00e1c khu v\u1ef1c c\u00f3 nguy c\u01a1 n\u1ed5 kh\u00f4ng? Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0o c\u1ea7n th\u1ef1c hi\u1ec7n trong m\u00f4i tr\u01b0\u1eddng kh\u00ed n\u1ed5 c\u1ee7a thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \u0111i\u1ec7n?<\/strong><\/strong><\/h3>\n\n\n\n

Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a l\u1edbp C v\u01b0\u1ee3t qu\u00e1 \u0111i\u1ec3m ch\u1edbp ch\u00e1y c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh khu v\u1ef1c c\u00f3 nguy c\u01a1 n\u1ed5. \u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, vi\u1ec7c c\u1ea7n thi\u1ebft ph\u1ea3i s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb ch\u1ed1ng n\u1ed5 c\u1ea7n tham kh\u1ea3o \u201cQuy chu\u1ea9n thi\u1ebft k\u1ebf nh\u00e0 m\u00e1y \u0111i\u1ec7n trong m\u00f4i tr\u01b0\u1eddng c\u00f3 nguy c\u01a1 n\u1ed5\u201d 3.1.1. Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, ch\u1ebf bi\u1ebfn, x\u1eed l\u00fd, v\u1eadn chuy\u1ec3n ho\u1eb7c l\u01b0u tr\u1eef, ho\u1eb7c c\u00f3 kh\u1ea3 n\u0103ng xu\u1ea5t hi\u1ec7n m\u1ed9t trong c\u00e1c h\u1ed7n h\u1ee3p kh\u00ed n\u1ed5 sau trong m\u00f4i tr\u01b0\u1eddng, c\u1ea7n thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \u0111i\u1ec7n cho m\u00f4i tr\u01b0\u1eddng c\u00f3 kh\u00ed n\u1ed5:<\/p>\n\n\n\n

(1) Trong \u0111i\u1ec1u ki\u1ec7n kh\u00ed quy\u1ec3n, c\u00e1c kh\u00ed d\u1ec5 ch\u00e1y \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn v\u1edbi kh\u00f4ng kh\u00ed \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c h\u1ed7n h\u1ee3p kh\u00ed n\u1ed5;<\/p>\n\n\n\n

(2) \u0110i\u1ec3m ch\u1edbp ch\u00e1y th\u1ea5p h\u01a1n ho\u1eb7c b\u1eb1ng nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng c\u1ee7a h\u01a1i ho\u1eb7c s\u01b0\u01a1ng c\u1ee7a ch\u1ea5t l\u1ecfng d\u1ec5 ch\u00e1y khi tr\u1ed9n v\u1edbi kh\u00f4ng kh\u00ed \u0111\u1ec3 t\u1ea1o th\u00e0nh h\u1ed7n h\u1ee3p kh\u00ed n\u1ed5;<\/p>\n\n\n\n

(3) Trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a v\u1eadt li\u1ec7u cao h\u01a1n \u0111i\u1ec3m ch\u1edbp ch\u00e1y c\u1ee7a ch\u1ea5t l\u1ecfng d\u1ec5 ch\u00e1y, khi ch\u1ea5t l\u1ecfng d\u1ec5 ch\u00e1y c\u00f3 th\u1ec3 r\u00f2 r\u1ec9, ch\u1ea5t l\u1ecfng d\u1ec5 ch\u00e1y, h\u01a1i ho\u1eb7c s\u01b0\u01a1ng m\u00f9 c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 tr\u1ed9n l\u1eabn v\u1edbi kh\u00f4ng kh\u00ed \u0111\u1ec3 t\u1ea1o th\u00e0nh h\u1ed7n h\u1ee3p kh\u00ed n\u1ed5.<\/p>\n\n\n\n

6 B\u1ed9t than ch\u00ec c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 b\u1ee5i d\u1ec5 ch\u00e1y kh\u00f4ng?<\/strong><\/strong><\/h3>\n\n\n\n

B\u1ed9t graphite l\u00e0 b\u1ee5i d\u1eabn \u0111i\u1ec7n d\u1ec5 ch\u00e1y lo\u1ea1i IIIC.<\/p>\n\n\n\n

Ki\u1ec3m tra 7 h\u1ec7 th\u1ed1ng b\u00e1o \u0111\u1ed9ng kh\u00ed gas th\u01b0\u1eddng g\u1eb7p nh\u1eefng v\u1ea5n \u0111\u1ec1 g\u00ec?<\/strong><\/strong><\/h3>\n\n\n\n

Th\u00f4ng th\u01b0\u1eddng s\u1ebd c\u00f3 c\u00e1c lo\u1ea1i sau:<\/p>\n\n\n\n

(1) Thi\u1ebfu: V\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh;<\/p>\n\n\n\n

(2) L\u1ed7i v\u1ecb tr\u00ed: \u0111\u1ed9 cao ho\u1eb7c t\u1ecda \u0111\u1ed9 kh\u00f4ng th\u1ec3 bao ph\u1ee7 hi\u1ec7u qu\u1ea3 ph\u1ea1m vi;<\/p>\n\n\n\n

(3) L\u1ed7i l\u1ef1a ch\u1ecdn: Lo\u1ea1i ch\u1ed1ng ch\u00e1y n\u1ed5 kh\u00f4ng kh\u1edbp;<\/p>\n\n\n\n

(4) L\u1ed7i c\u1ea5u h\u00ecnh: \u0111\u1ed9c h\u1ea1i v\u00e0 d\u1ec5 ch\u00e1y c\u00f9ng l\u00fac, kh\u00f4ng \u0111\u01b0\u1ee3c trang b\u1ecb c\u1ea3 hai ch\u1ee9c n\u0103ng;<\/p>\n\n\n\n

(5) L\u1ed7i ph\u1ea1m vi: s\u1ef1 kh\u00f4ng kh\u1edbp gi\u1eefa ph\u1ea1m vi v\u00e0 lo\u1ea1i kh\u00ed \u00e1p d\u1ee5ng;<\/p>\n\n\n\n

(6) \u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a kho\u1ea3ng c\u00e1ch: \u0110\u1ed9 ch\u00ednh x\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi kho\u1ea3ng c\u00e1ch v\u00e0 ti\u00eau chu\u1ea9n hi\u1ec7n t\u1ea1i l\u00e0 ch\u01b0a \u0111\u1ee7;<\/p>\n\n\n\n

(7) V\u1ea5n \u0111\u1ec1 v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng: s\u1ed1 l\u01b0\u1ee3ng qu\u00e1 \u00edt v\u00e0 ph\u1ea1m vi ph\u1ee7 s\u00f3ng kh\u00f4ng \u0111\u1ee7;<\/p>\n\n\n\n

(8) V\u1ea5n \u0111\u1ec1 ph\u00e1t hi\u1ec7n: kh\u00f4ng th\u1ef1c hi\u1ec7n ki\u1ec3m tra v\u00e0 hi\u1ec7u chu\u1ea9n ho\u1eb7c hi\u1ec7u chu\u1ea9n theo chu k\u1ef3;<\/p>\n\n\n\n

(9) V\u1ea5n \u0111\u1ec1 v\u1ec1 b\u00e1o \u0111\u1ed9ng: c\u00e1c b\u00e1o \u0111\u1ed9ng \u0111\u01b0\u1ee3c ghi l\u1ea1i nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd;<\/p>\n\n\n\n

(10) V\u1ea5n \u0111\u1ec1 l\u1eafp \u0111\u1eb7t: c\u00e1c c\u00f4ng ty b\u00e1o \u0111\u1ed9ng t\u1ef1 l\u1eafp \u0111\u1eb7t m\u00e0 kh\u00f4ng c\u00f3 thi\u1ebft k\u1ebf chuy\u00ean nghi\u1ec7p;<\/p>\n\n\n\n

(11) Ch\u1ee9c n\u0103ng b\u00e1o \u0111\u1ed9ng: c\u00e1c thi\u1ebft b\u1ecb b\u00e1o \u0111\u1ed9ng b\u1eb1ng \u00e2m thanh v\u00e0 \u00e1nh s\u00e1ng, c\u0169ng nh\u01b0 h\u1ec7 th\u1ed1ng b\u00e1o \u0111\u1ed9ng khu v\u1ef1c, kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch;<\/p>\n\n\n\n

(12) C\u00e1c v\u1ea5n \u0111\u1ec1 qu\u1ea3n l\u00fd b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa: bao g\u1ed3m ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3, b\u1ea3o tr\u00ec v\u00e0 hi\u1ec7u chu\u1ea9n.<\/p>\n\n\n\n

8. Kh\u00f4ng c\u00f3 quy \u0111\u1ecbnh r\u00f5 r\u00e0ng v\u1ec1 vi\u1ec7c kh\u00f4ng th\u1ec3 thi\u1ebft l\u1eadp c\u00e1c nh\u00e0 m\u00e1y lo\u1ea1i A v\u00e0 B trong ph\u00f2ng th\u00ed nghi\u1ec7m?<\/strong><\/strong><\/h3>\n\n\n\n

C\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m, v\u0103n ph\u00f2ng v\u00e0 thi\u1ebft b\u1ecb kh\u00e1c n\u1eb1m \u1edf ph\u00eda t\u01b0\u1eddng ngo\u00e0i c\u00f3 nguy c\u01a1 ch\u00e1y n\u1ed5 kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f3 c\u1eeda s\u1ed5 ho\u1eb7c c\u1eeda ra v\u00e0o m\u1edf ra, m\u00e0 ph\u1ea3i l\u00e0 t\u01b0\u1eddng b\u00ea t\u00f4ng kh\u00f4ng ch\u00e1y. Trong tr\u01b0\u1eddng h\u1ee3p c\u1ea7n thi\u1ebft ph\u1ea3i l\u1eafp \u0111\u1eb7t c\u1eeda s\u1ed5 ho\u1eb7c c\u1eeda ra v\u00e0o, ph\u1ea3i s\u1eed d\u1ee5ng c\u1eeda s\u1ed5 v\u00e0 c\u1eeda ra v\u00e0o ch\u1ed1ng ch\u00e1y.<\/p>\n\n\n\n

Vi\u1ec7c s\u1eed d\u1ee5ng 9 d\u00e2y c\u00e1p qua \u1ed1ng ho\u1eb7c \u1ed1ng ch\u1ed1ng ch\u00e1y n\u1ed5 c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 trong vi\u1ec7c ch\u1ed1ng ch\u00e1y n\u1ed5 kh\u00f4ng?<\/strong><\/strong><\/h3>\n\n\n\n

C\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 trong b\u1ea3o v\u1ec7 c\u01a1 h\u1ecdc v\u00e0 \u1ee9c ch\u1ebf n\u0103ng l\u01b0\u1ee3ng, nh\u01b0ng kh\u00f4ng th\u1ec3 \u0111\u00f3ng vai tr\u00f2 trong ch\u1ed1ng ch\u00e1y n\u1ed5. Vai tr\u00f2 ch\u1ed1ng ch\u00e1y n\u1ed5 l\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p giao di\u1ec7n \u0111i\u1ec7n c\u1ee7a th\u00e2n thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

Thi\u1ebft b\u1ecb \u0111i\u1ec7n ch\u1ed1ng ch\u00e1y n\u1ed5 trong m\u00f4i tr\u01b0\u1eddng kh\u00ed gas c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c khu v\u1ef1c c\u00f3 nguy c\u01a1 n\u1ed5 b\u1ee5i?<\/strong><\/strong><\/h3>\n\n\n\n

S\u1ed1.<\/p>\n\n\n\n

(1) Thi\u1ebft b\u1ecb ch\u1ed1ng ch\u00e1y n\u1ed5 c\u00f3 ch\u1ee9ng nh\u1eadn k\u00e9p ch\u1ed1ng ch\u00e1y n\u1ed5 kh\u00ed v\u00e0 ch\u1ed1ng ch\u00e1y n\u1ed5 b\u1ee5i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c c\u1ea3 trong m\u00f4i tr\u01b0\u1eddng kh\u00ed v\u00e0 m\u00f4i tr\u01b0\u1eddng b\u1ee5i; thi\u1ebft b\u1ecb ch\u1ec9 c\u00f3 ch\u1ee9ng nh\u1eadn ch\u1ed1ng ch\u00e1y n\u1ed5 kh\u00ed kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng b\u1ee5i, v\u00e0 thi\u1ebft b\u1ecb ch\u1ec9 c\u00f3 ch\u1ee9ng nh\u1eadn ch\u1ed1ng ch\u00e1y n\u1ed5 b\u1ee5i kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng kh\u00ed.<\/p>\n\n\n\n

(2) C\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn nh\u00f3m m\u00f4i tr\u01b0\u1eddng v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng khu v\u1ef1c ch\u1ed1ng ch\u00e1y n\u1ed5. \u0110\u1ed1i v\u1edbi tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed3ng th\u1eddi t\u1ed3n t\u1ea1i kh\u00ed n\u1ed5 v\u00e0 b\u1ee5i n\u1ed5, vi\u1ec7c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb \u0111i\u1ec7n ch\u1ed1ng ch\u00e1y n\u1ed5 ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u1ea3 y\u00eau c\u1ea7u ch\u1ed1ng ch\u00e1y n\u1ed5 \u0111\u1ed1i v\u1edbi kh\u00ed n\u1ed5 l\u1eabn y\u00eau c\u1ea7u ch\u1ed1ng ch\u00e1y n\u1ed5 \u0111\u1ed1i v\u1edbi b\u1ee5i n\u1ed5, \u0111\u1ed3ng th\u1eddi ph\u1ea3i c\u00f3 nh\u00e3n hi\u1ec7u ch\u1ed1ng ch\u00e1y n\u1ed5, bao g\u1ed3m c\u1ea3 nh\u00e3n hi\u1ec7u ch\u1ed1ng ch\u00e1y n\u1ed5 cho kh\u00ed v\u00e0 b\u1ee5i.<\/p>","protected":false},"excerpt":{"rendered":"

Mobile and portable explosion-proof equipment – explosion proof flashlight, explosion proof cell phone introduction In the production site containing explosive hazardous environments, explosion-proof cell phones, explosion-proof walkie-talkies, explosion-proof flashlights and other mobile explosion-proof electrical equipment is widely used. Explosion-hazardous gas environment mobile equipment and portable equipment selection general requirements are different from permanently installed equipment, mobile equipment […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","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":[7],"tags":[10,11],"class_list":["post-2038","post","type-post","status-publish","format-standard","hentry","category-light","tag-explosion-proof-flashlight","tag-explosionproof-cell-phone"],"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":"Mobile and portable explosion-proof equipment – explosion proof flashlight, explosion proof cell phone introduction In the production site containing explosive hazardous environments, explosion-proof cell phones, explosion-proof walkie-talkies, explosion-proof flashlights and other mobile explosion-proof electrical equipment is widely used. Explosion-hazardous gas environment mobile equipment and portable equipment selection general requirements are different from permanently installed equipment, mobile equipment…","_links":{"self":[{"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/posts\/2038","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=2038"}],"version-history":[{"count":4,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/posts\/2038\/revisions"}],"predecessor-version":[{"id":2278,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/posts\/2038\/revisions\/2278"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/media?parent=2038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/categories?post=2038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/tags?post=2038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}