{"id":19847,"date":"2022-04-07T13:36:08","date_gmt":"2022-04-07T13:36:08","guid":{"rendered":"http:\/\/dgbellvietnam.com\/explosion-proof-performance-of-temperature-humidity-test-chamber\/"},"modified":"2024-10-25T15:10:19","modified_gmt":"2024-10-25T08:10:19","slug":"explosion-proof-performance-of-temperature-humidity-test-chamber","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/explosion-proof-performance-of-temperature-humidity-test-chamber\/","title":{"rendered":"Hi\u1ec7u su\u1ea5t ch\u1ed1ng ch\u00e1y n\u1ed5 c\u1ee7a bu\u1ed3ng th\u1eed nhi\u1ec7t \u1ea9m"},"content":{"rendered":"
\n

Thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng ch\u1ee7 y\u1ebfu m\u00f4 ph\u1ecfng m\u1ed9t lo\u1ea1t c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u1ef1 nhi\u00ean nh\u01b0 nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p, nhi\u1ec7t \u1ea9m, \u00e1p su\u1ea5t th\u1ea5p, c\u00e1t v\u00e0 b\u1ee5i, v\u00e0 c\u00f3 y\u00eau c\u1ea7u cao v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c m\u00f4 ph\u1ecfng. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p. Ng\u00e0y c\u00e0ng nhi\u1ec1u kh\u00e1ch h\u00e0ng c\u1ea7n \u0111\u01b0a ra c\u00e1c y\u00eau c\u1ea7u ch\u1ed1ng ch\u00e1y n\u1ed5 cho thi\u1ebft b\u1ecb trong khi th\u1ef1c hi\u1ec7n m\u00f4 ph\u1ecfng m\u00f4i tr\u01b0\u1eddng tr\u00ean. \u0110\u1ec3 th\u00edch \u1ee9ng v\u1edbi ph\u1ea1m vi m\u1eabu th\u1eed r\u1ed9ng h\u01a1n. \u0110\u1ed1i v\u1edbi ch\u1ed1ng ch\u00e1y n\u1ed5, n\u1ed3ng \u0111\u1ed9 kh\u00ed d\u1ec5 ch\u00e1y trong bu\u1ed3ng s\u1ebd \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m m\u00f4 ph\u1ecfng. Khi ph\u00e1t hi\u1ec7n b\u1ea5t th\u01b0\u1eddng, bu\u1ed3ng th\u1eed nghi\u1ec7m s\u1ebd th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ec3 gi\u1ea3m n\u1ed3ng \u0111\u1ed9 kh\u00ed d\u1ec5 ch\u00e1y v\u00e0 tr\u00e1nh c\u00e1c tai n\u1ea1n nh\u01b0 ch\u00e1y v\u00e0 n\u1ed5. Khi x\u1ea3y ra n\u1ed5, c\u1ea5u tr\u00fac s\u1ee9c m\u1ea1nh v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 c\u1ee7a bu\u1ed3ng th\u1eed nghi\u1ec7m \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng. B\u1ea3o v\u1ec7 th\u00edch h\u1ee3p c\u00f3 th\u1ec3 gi\u1ea3m t\u1ed5n th\u1ea5t v\u1ec1 t\u00e0i s\u1ea3n kinh t\u1ebf v\u00e0 tr\u00e1nh th\u01b0\u01a1ng vong.<\/span><\/span><\/p>\n

1. Ki\u1ec3m so\u00e1t bu\u1ed3ng<\/span><\/span><\/strong><\/span><\/h1>\n

N\u1ed5 l\u00e0 do c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc d\u1eef d\u1ed9i nh\u01b0 qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y. \u0110\u1ec3 ng\u0103n ng\u1eeba ph\u1ea3n \u1ee9ng ch\u00e1y c\u1ee7a m\u1eabu trong <\/span><\/span>bu\u1ed3ng th\u1eed \u0111\u1ed9 \u1ea9m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p<\/span><\/span><\/a> trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m. \u1ede giai \u0111o\u1ea1n \u0111\u1ea7u khi ph\u00e1t hi\u1ec7n m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf kh\u00ed d\u1ec5 ch\u00e1y trong h\u1ed9p, h\u00e0nh \u0111\u1ed9ng \u0111\u01b0a kh\u00f4ng kh\u00ed trong l\u00e0nh v\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf trong vi\u1ec7c ki\u1ec3m so\u00e1t h\u1ed9p th\u1eed nhi\u1ec7t \u1ea9m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p, v\u00e0 n\u1ed3ng \u0111\u1ed9 kh\u00ed d\u1ec5 ch\u00e1y trong h\u1ed9p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1eef trong ph\u1ea1m vi an to\u00e0n b\u1eb1ng c\u00e1ch \u0111\u01b0a kh\u00f4ng kh\u00ed trong l\u00e0nh t\u1eeb b\u00ean ngo\u00e0i v\u00e0o. Trong tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra c\u00e1c t\u00ecnh hu\u1ed1ng nghi\u00eam tr\u1ecdng nh\u01b0 ch\u00e1y n\u1ed5 trong h\u1ed9p, nhi\u1ec7t \u0111\u1ed9 trong h\u1ed9p s\u1ebd t\u0103ng \u0111\u1ed9t ng\u1ed9t. L\u00fac n\u00e0y, h\u00e0nh \u0111\u1ed9ng ch\u1eefa ch\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf trong vi\u1ec7c ki\u1ec3m so\u00e1t h\u1ed9p th\u1eed \u0111\u1ec3 ki\u1ec3m so\u00e1t v\u00e0 d\u1eadp t\u1eaft \u0111\u00e1m ch\u00e1y trong h\u1ed9p th\u1eed k\u1ecbp th\u1eddi v\u00e0 ng\u0103n ch\u1eb7n \u0111\u00e1m ch\u00e1y n\u1ed5 lan ra b\u00ean ngo\u00e0i h\u1ed9p th\u1eed. Tr\u00e1nh g\u00e2y h\u01b0 h\u1ecfng cho thi\u1ebft b\u1ecb, t\u00e0i s\u1ea3n v\u00e0 th\u01b0\u01a1ng vong xung quanh.<\/span><\/span><\/p>\n

Khi thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n kh\u00ed d\u1ec5 ch\u00e1y c\u1ee7a bu\u1ed3ng th\u1eed nghi\u1ec7m ph\u00e1t hi\u1ec7n n\u1ed3ng \u0111\u1ed9 kh\u00ed d\u1ec5 ch\u00e1y trong bu\u1ed3ng \u0111\u1ea1t 400ppm, van kh\u00ed v\u00e0o v\u00e0 kh\u00ed ra \u0111\u01b0\u1ee3c m\u1edf. Qu\u1ea1t th\u00f4ng gi\u00f3 v\u00e0 qu\u1ea1t x\u1ea3 b\u1eaft \u0111\u1ea7u ho\u1ea1t \u0111\u1ed9ng c\u00f9ng l\u00fac, \u0111\u01b0a kh\u00f4ng kh\u00ed trong l\u00e0nh t\u1eeb b\u00ean ngo\u00e0i v\u00e0o thi\u1ebft b\u1ecb v\u00e0 pha lo\u00e3ng n\u1ed3ng \u0111\u1ed9 kh\u00ed d\u1ec5 ch\u00e1y cho \u0111\u1ebfn khi n\u1ed3ng \u0111\u1ed9 kh\u00ed d\u1ec5 ch\u00e1y tr\u1edf l\u1ea1i d\u01b0\u1edbi 400ppm; Sau khi kh\u00f4ng kh\u00ed trong l\u00e0nh li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o trong m\u1ed9t kho\u1ea3ng th\u1eddi gian (th\u1eddi gian c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp b\u1edfi b\u1ed9 h\u1eb9n gi\u1edd b\u00ean ngo\u00e0i), thi\u1ebft b\u1ecb trao \u0111\u1ed5i kh\u00f4ng kh\u00ed ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 bu\u1ed3ng th\u1eed nghi\u1ec7m kh\u00f4ng d\u1eebng l\u1ea1i trong qu\u00e1 tr\u00ecnh n\u00e0y.<\/span><\/span><\/p>\n

Khi n\u1ed3ng \u0111\u1ed9 kh\u00ed d\u1ec5 ch\u00e1y trong bu\u1ed3ng th\u1eed nghi\u1ec7m t\u0103ng l\u00ean \u0111\u1ebfn 1000ppm. Thi\u1ebft b\u1ecb th\u00f4ng gi\u00f3 ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng, \u0111\u01b0a kh\u00f4ng kh\u00ed trong l\u00e0nh v\u00e0o v\u00e0 l\u00e0m lo\u00e3ng n\u1ed3ng \u0111\u1ed9 kh\u00ed d\u1ec5 ch\u00e1y. Trong qu\u00e1 tr\u00ecnh n\u00e0y, bu\u1ed3ng th\u1eed nghi\u1ec7m ng\u1eebng ho\u1ea1t \u0111\u1ed9ng. Tuy nhi\u00ean, h\u1ec7 th\u1ed1ng ch\u1ed1ng n\u1ed5 an to\u00e0n v\u1eabn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/span><\/span><\/p>\n

N\u1ebfu n\u1ed3ng \u0111\u1ed9 kh\u00ed d\u1ec5 ch\u00e1y ti\u1ebfp t\u1ee5c \u1edf m\u1ee9c tr\u00ean 1000ppm, kh\u00f4ng th\u1ec3 gi\u1ea3m k\u1ecbp th\u1eddi, nhi\u1ec7t \u0111\u1ed9 trong bu\u1ed3ng t\u0103ng \u0111\u1ed9t ng\u1ed9t, d\u1eabn \u0111\u1ebfn ch\u00e1y ho\u1eb7c n\u1ed5 trong bu\u1ed3ng th\u1eed nghi\u1ec7m, v\u00e0 h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 b\u1ecb \u0111\u00f3ng l\u1ea1i t\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y. Thi\u1ebft b\u1ecb ch\u1eefa ch\u00e1y CO2 \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng b\u1eadt v\u00e0 CO2 \u00e1p su\u1ea5t cao \u0111\u01b0\u1ee3c phun ngay l\u1eadp t\u1ee9c v\u00e0o h\u1ed9p th\u1eed nghi\u1ec7m th\u00f4ng qua v\u00f2i phun trong h\u1ed9p th\u1eed nghi\u1ec7m, d\u1eadp t\u1eaft \u0111\u00e1m ch\u00e1y h\u1edf trong h\u1ed9p th\u1eed nghi\u1ec7m v\u00e0 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 trong h\u1ed9p th\u1eed nghi\u1ec7m. Trong qu\u00e1 tr\u00ecnh n\u00e0y, bu\u1ed3ng th\u1eed nghi\u1ec7m b\u1ecb t\u1eaft v\u00e0 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, v\u00e0 h\u1ec7 th\u1ed1ng an to\u00e0n v\u00e0 ch\u1ed1ng n\u1ed5 c\u1ee7a bu\u1ed3ng th\u1eed nghi\u1ec7m ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng \u0111\u1ec3 ng\u0103n ng\u1eeba ch\u00e1y n\u1ed5 g\u00e2y ra thi\u1ec7t h\u1ea1i l\u1edbn h\u01a1n cho h\u1ed9p c\u1ee7a bu\u1ed3ng th\u1eed nghi\u1ec7m.<\/span><\/span><\/p>\n

2. Thi\u1ebft k\u1ebf \u0111i\u1ec7n c\u1ee7a bu\u1ed3ng<\/span><\/span><\/strong><\/span><\/h1>\n

\u0110\u1ec3 th\u1ef1c hi\u1ec7n ph\u00e1t hi\u1ec7n c\u1ea3nh b\u00e1o s\u1edbm ch\u1ed1ng ch\u00e1y n\u1ed5 trong bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p, ki\u1ec3m so\u00e1t n\u1ed3ng \u0111\u1ed9 kh\u00ed d\u1ec5 ch\u00e1y trong bu\u1ed3ng th\u1eed v\u00e0 t\u1ef1 \u0111\u1ed9ng d\u1eadp t\u1eaft \u0111\u00e1m ch\u00e1y sau khi ch\u00e1y v\u00e0 n\u1ed5, c\u1ea7n c\u00f3 m\u1ed9t s\u1ed1 thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t v\u1ec1 m\u1eb7t \u0111i\u1ec7n.<\/span><\/span><\/p>\n

2.1 C\u1ea3m bi\u1ebfn kh\u00ed d\u1ec5 ch\u00e1y<\/span><\/span><\/span><\/h2>\n

C\u1ea3m bi\u1ebfn ph\u00e1t hi\u1ec7n n\u1ed3ng \u0111\u1ed9 kh\u00ed d\u1ec5 ch\u00e1y \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf \u0111\u1ea7u tr\u01b0\u1edbc c\u1ee7a bu\u1ed3ng th\u1eed nhi\u1ec7t \u1ea9m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p. C\u1ea3m bi\u1ebfn s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac h\u00fat b\u01a1m. L\u1ea5y m\u1eabu v\u00e0 h\u00fat kh\u00ed t\u1eeb bu\u1ed3ng th\u1eed \u0111\u1ec3 ph\u00e1t hi\u1ec7n. C\u1ed5ng l\u1ea5y m\u1eabu \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i c\u1eeda tho\u00e1t kh\u00ed c\u1ee7a lu\u1ed3ng kh\u00f4ng kh\u00ed l\u01b0u th\u00f4ng trong h\u1ed9p. B\u1ea3ng c\u1ea3m bi\u1ebfn kh\u00ed d\u1ec5 ch\u00e1y c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp v\u00e0 hi\u1ec3n th\u1ecb hai \u0111i\u1ec3m b\u00e1o \u0111\u1ed9ng. Khi n\u1ed3ng \u0111\u1ed9 kh\u00ed d\u1ec5 ch\u00e1y \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n trong h\u1ed9p v\u01b0\u1ee3t qu\u00e1 \u0111i\u1ec3m b\u00e1o \u0111\u1ed9ng \u0111\u00e3 c\u00e0i \u0111\u1eb7t, c\u1ea3m bi\u1ebfn kh\u00ed d\u1ec5 ch\u00e1y s\u1ebd \u0111\u01b0a ra t\u00edn hi\u1ec7u c\u1ea3nh b\u00e1o ho\u1eb7c b\u00e1o \u0111\u1ed9ng nguy hi\u1ec3m v\u00e0 \u0111\u01b0a ra t\u00edn hi\u1ec7u m\u1ea1ch h\u1edf t\u01b0\u01a1ng \u1ee9ng th\u00f4ng qua \u0111\u1ea7u ra c\u1ee7a ch\u00ednh n\u00f3. Sau khi PLC h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o Di t\u01b0\u01a1ng \u1ee9ng b\u1ecb ng\u1eaft k\u1ebft n\u1ed1i, n\u00f3 s\u1ebd th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng \u0111\u1ea7u ra do t\u01b0\u01a1ng \u1ee9ng, \u0111\u1ec3 ki\u1ec3m so\u00e1t vi\u1ec7c kh\u1edfi \u0111\u1ed9ng c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 an to\u00e0n nh\u01b0 thi\u1ebft b\u1ecb th\u00f4ng gi\u00f3 v\u00e0 h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y CO2.<\/span><\/span><\/p>\n

2.2 M\u00e1y s\u01b0\u1edfi<\/span><\/span><\/span><\/h2>\n

\u0110\u1ec3 tr\u00e1nh h\u1ecfa ho\u1ea1n, kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng l\u00f2 s\u01b0\u1edfi d\u00e2y niken crom th\u00f4ng th\u01b0\u1eddng trong h\u1ed9p ch\u1ed1ng ch\u00e1y n\u1ed5, nh\u01b0ng ph\u1ea3i s\u1eed d\u1ee5ng l\u00f2 s\u01b0\u1edfi \u0111i\u1ec7n b\u1ecdc v\u00e2y, \u1ed1ng b\u1ecdc v\u00e0 v\u00e2y \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9. L\u00f2 s\u01b0\u1edfi \u0111\u01b0\u1ee3c b\u1ecdc k\u00edn s\u1ebd kh\u00f4ng t\u1ea1o ra h\u1ecfa ho\u1ea1n ho\u1eb7c g\u00e2y ra c\u00e1c l\u1ed7i th\u1ee9 c\u1ea5p nh\u01b0 \u0111o\u1ea3n m\u1ea1ch do c\u00e1c l\u1ef1c b\u00ean ngo\u00e0i nh\u01b0 n\u1ed5.<\/span><\/span><\/p>\n

2.3 Van \u0111i\u1ec1u ti\u1ebft th\u00f4ng gi\u00f3<\/span><\/span><\/span><\/h2>\n

Qu\u1ea1t th\u00f4ng gi\u00f3, van th\u00f4ng gi\u00f3 v\u00e0 van \u0111i\u1ec1u ti\u1ebft \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf c\u1ea3 hai b\u00ean th\u00e2n c\u1eeda \u0424 \u1ed0ng d\u1eabn kh\u00ed 100 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi bu\u1ed3ng v\u00e0 m\u1ed9t t\u1ea5m van ki\u1ec3m tra \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i \u0111i\u1ec3m k\u1ebft n\u1ed1i v\u1edbi th\u00e0nh bu\u1ed3ng th\u1eed nghi\u1ec7m. Khi kh\u00f4ng kh\u00ed kh\u00f4ng \u0111\u01b0\u1ee3c thay \u0111\u1ed5i, kh\u00f4ng c\u00f3 s\u1ef1 trao \u0111\u1ed5i kh\u00ed gi\u1eefa h\u1ed9p v\u00e0 b\u00ean ngo\u00e0i. Van th\u00f4ng gi\u00f3 v\u00e0 qu\u1ea1t th\u00f4ng gi\u00f3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf b\u00ean ngo\u00e0i bu\u1ed3ng th\u1eed nghi\u1ec7m v\u00e0 \u0111\u01b0\u1ee3c trang b\u1ecb n\u1eafp b\u1ea3o v\u1ec7. Kh\u1ea3 n\u0103ng th\u00f4ng gi\u00f3 c\u1ee7a qu\u1ea1t th\u00f4ng gi\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 5m \/ ph\u00fat.<\/span><\/span><\/p>\n

2.4 Thi\u1ebft b\u1ecb ch\u1eefa ch\u00e1y CO2 t\u1ef1 \u0111\u1ed9ng<\/span><\/span><\/span><\/h2>\n

Trong tr\u01b0\u1eddng h\u1ee3p ch\u00e1y n\u1ed5, nhi\u1ec7t \u0111\u1ed9 trong bu\u1ed3ng th\u1eed nhi\u1ec7t \u1ea9m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p s\u1ebd t\u0103ng \u0111\u1ed9t ng\u1ed9t. S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 b\u1ea5t th\u01b0\u1eddng n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1eb1ng c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 \u0111\u1eb7c bi\u1ec7t v\u00e0 t\u00edn hi\u1ec7u nhi\u1ec7t \u0111\u1ed9 b\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ebfn h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a bu\u1ed3ng th\u1eed. H\u1ec7 th\u1ed1ng phun CO2 b\u1eb1ng c\u00e1ch m\u1edf van \u0111i\u1ec7n. B\u00ecnh ch\u1eefa ch\u00e1y CO2 \u00e1p su\u1ea5t cao v\u00e0 th\u00e2n van \u0111i\u1ec7n \u0111\u01b0\u1ee3c l\u1eafp tr\u00ean th\u00e0nh ngo\u00e0i c\u1ee7a h\u1ed9p v\u00e0 v\u00f2i phun \u0111\u01b0\u1ee3c l\u1eafp trong h\u1ed9p. Ngo\u00e0i ra, “c\u00f4ng t\u1eafc th\u1ee7 c\u00f4ng” v\u00e0 “c\u00f4ng t\u1eafc h\u1ee7y” \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i b\u1ea3ng hi\u1ec3n th\u1ecb thao t\u00e1c. Khi ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u00e1t hi\u1ec7n c\u00f3 \u0111i\u1ec1u ki\u1ec7n b\u1ea5t th\u01b0\u1eddng trong h\u1ed9p c\u1ea7n c\u00f3 thi\u1ebft b\u1ecb ch\u1eefa ch\u00e1y CO2 ho\u1ea1t \u0111\u1ed9ng, anh ta c\u00f3 th\u1ec3 nh\u1ea5n c\u00f4ng t\u1eafc th\u1ee7 c\u00f4ng b\u1eb1ng tay. C\u00f4ng t\u1eafc th\u1ee7 c\u00f4ng n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi b\u1ed9 h\u1eb9n gi\u1edd tr\u1ec5 b\u00ean ngo\u00e0i \u0111\u1ec3 tr\u00e1nh ho\u1ea1t \u0111\u1ed9ng sai. C\u00f3 th\u1ec3 nh\u1ea5n c\u00f4ng t\u1eafc h\u1ee7y trong th\u1eddi gian tr\u1ec5 do ng\u01b0\u1eddi d\u00f9ng c\u00e0i \u0111\u1eb7t \u0111\u1ec3 h\u1ee7y h\u00e0nh \u0111\u1ed9ng phun CO2. \u0110i\u1ec1u \u0111\u00e1ng ch\u00fa \u00fd l\u00e0. N\u1ebfu c\u1eeda b\u1ea3o v\u1ec7 an to\u00e0n m\u1edf, ho\u1ea1t \u0111\u1ed9ng ch\u1eefa ch\u00e1y CO2 s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, \u0111\u1ec3 tr\u00e1nh tr\u01b0\u1eddng h\u1ee3p nh\u00e2n vi\u00ean b\u1ecb th\u01b0\u01a1ng do CO2 \u00e1p su\u1ea5t cao.<\/span><\/span><\/p>\n

2.5 Ph\u00e1t hi\u1ec7n d\u1ecb th\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9<\/span><\/span><\/span><\/h2>\n

Hai c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 di chuy\u1ec3n b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o trong h\u1ed9p \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ec3 ph\u00e1t hi\u1ec7n nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t c\u1ee7a m\u1eabu. Khi nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t c\u1ee7a m\u1eabu b\u1ea5t th\u01b0\u1eddng v\u00e0 cao h\u01a1n nhi\u1ec7t \u0111\u1ed9 c\u00e0i \u0111\u1eb7t tr\u01b0\u1edbc, \u0111\u00e8n b\u00e1o \u0111\u1ed9ng m\u00e0u \u0111\u1ecf c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 \u0111\u00e8n b\u00e1o qu\u00e1 nhi\u1ec7t trong h\u1ed9p s\u1ebd s\u00e1ng c\u00f9ng l\u00fac, thi\u1ebft b\u1ecb s\u1ebd d\u1eebng ch\u1ea1y v\u00e0 c\u1eaft ngu\u1ed3n \u0111i\u1ec7n m\u1eabu th\u00f4ng qua \u0111\u1ea7u cu\u1ed1i ngu\u1ed3n \u0111i\u1ec7n th\u1eed nghi\u1ec7m.<\/span><\/span><\/p>\n

2.6 C\u00f4ng t\u1eafc d\u1eebng kh\u1ea9n c\u1ea5p<\/span><\/span><\/span><\/h2>\n

Khi ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 b\u1ea5t th\u01b0\u1eddng n\u00e0o trong h\u1ed9p, h\u00e3y ngay l\u1eadp t\u1ee9c nh\u1ea5n c\u00f4ng t\u1eafc d\u1eebng kh\u1ea9n c\u1ea5p, d\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ed9p v\u00e0 c\u1eaft ngu\u1ed3n \u0111i\u1ec7n th\u1ee9 c\u1ea5p c\u1ee7a h\u1ed9p th\u1eed nghi\u1ec7m th\u00f4ng qua ti\u1ebfp \u0111i\u1ec3m AC, nh\u01b0ng h\u1ec7 th\u1ed1ng an to\u00e0n (th\u00f4ng gi\u00f3, phun CO, v.v.) kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng v\u00e0 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/span><\/span><\/p>\n

2.7 B\u1ea3ng hi\u1ec3n th\u1ecb thi\u1ebft b\u1ecb v\u1eadn h\u00e0nh an to\u00e0n<\/span><\/span><\/span><\/h2>\n

\u0110\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf v\u1ecb tr\u00ed d\u1ec5 v\u1eadn h\u00e0nh nh\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb, t\u1ee9c l\u00e0 v\u1ecb tr\u00ed b\u00ean ph\u1ea3i c\u1ee7a m\u1eb7t tr\u01b0\u1edbc h\u1ed9p. C\u00f4ng t\u1eafc c\u1ee7a thi\u1ebft b\u1ecb th\u00f4ng gi\u00f3, c\u00f4ng t\u1eafc t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i th\u1ee7 c\u00f4ng c\u1ee7a thi\u1ebft b\u1ecb ch\u1eefa ch\u00e1y CO2, c\u00f4ng t\u1eafc d\u1eebng kh\u1ea9n c\u1ea5p, \u0111\u00e8n b\u00e1o kh\u00ed v\u00e0 \u0111\u00e8n hi\u1ec3n th\u1ecb nhi\u1ec7t \u0111\u1ed9 b\u1ea5t th\u01b0\u1eddng trong h\u1ed9p \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i \u0111\u00e2y.<\/span><\/span><\/p>\n

2.8 B\u1ed9 l\u01b0u \u0111i\u1ec7n UPS<\/span><\/span><\/span><\/h2>\n

\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 cung c\u1ea5p \u0111i\u1ec7n cho m\u1ea1ch b\u00e1o \u0111\u1ed9ng kh\u00ed gas, thi\u1ebft b\u1ecb th\u00f4ng gi\u00f3, thi\u1ebft b\u1ecb ch\u1eefa ch\u00e1y CO2, m\u1ea1ch b\u00e1o \u0111\u1ed9ng ch\u1ec9 th\u1ecb nhi\u1ec7t \u0111\u1ed9 v\u00e0 b\u1ea3ng hi\u1ec3n th\u1ecb ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb an to\u00e0n trong tr\u01b0\u1eddng h\u1ee3p m\u1ea5t \u0111i\u1ec7n ho\u1eb7c khi c\u1ea7u dao ch\u1ed1ng r\u00f2 r\u1ec9 v\u00e0 c\u1ea7u dao t\u1ef1 \u0111\u1ed9ng c\u1ee7a h\u1ed9p ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng an to\u00e0n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng trong tr\u01b0\u1eddng h\u1ee3p m\u1ea5t \u0111i\u1ec7n ho\u1eb7c n\u1ed5.<\/span><\/span><\/p>\n

3. C\u1ea5u tr\u00fac c\u1ee7a bu\u1ed3ng<\/span><\/span><\/strong><\/span><\/h1>\n

3.1 Gia c\u1ed1 bu\u1ed3ng<\/span><\/span><\/span><\/h2>\n

Th\u00e9p k\u00eanh 100mm \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o v\u1ec7 b\u00ean ngo\u00e0i h\u1ed9p \u0111\u1ec3 ng\u0103n ng\u1eeba bi\u1ebfn d\u1ea1ng nghi\u00eam tr\u1ecdng v\u00e0 h\u01b0 h\u1ecfng do t\u00e1c \u0111\u1ed9ng l\u1edbn v\u00e0o h\u1ed9p c\u1ee7a h\u1ed9p th\u1eed nghi\u1ec7m, ch\u00e1y lan truy\u1ec1n v\u00e0 th\u01b0\u01a1ng t\u00edch do v\u1eadt c\u1ee9ng g\u00e2y ra. T\u1ea5m che \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c kh\u1ed1i nh\u1ecf \u0111\u1ec3 tr\u00e1nh v\u1ecb tr\u00ed th\u00e9p k\u00eanh, thu\u1eadn ti\u1ec7n cho vi\u1ec7c b\u1ea3o tr\u00ec h\u1ed9p th\u1eed nghi\u1ec7m h\u00e0ng ng\u00e0y trong ph\u00f2ng th\u00e1o l\u1eafp.<\/span><\/span><\/p>\n

3.2 C\u1eeda b\u1ea3o v\u1ec7 an to\u00e0n<\/span><\/span><\/span><\/h2>\n

Ngo\u00e0i c\u1eeda l\u1edbn c\u00f3 c\u1eeda s\u1ed5 quan s\u00e1t b\u00ean ngo\u00e0i h\u1ed9p th\u1eed nghi\u1ec7m, c\u0169ng ph\u1ea3i l\u1eafp c\u1eeda b\u1ea3o v\u1ec7 an to\u00e0n gia c\u1ed1. Ch\u00fa \u00fd kh\u00f4ng ch\u1eb7n b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 c\u1eeda s\u1ed5 quan s\u00e1t c\u1ee7a h\u1ed9p th\u1eed nghi\u1ec7m. C\u1eeda b\u1ea3o v\u1ec7 c\u0169ng \u0111\u01b0\u1ee3c trang b\u1ecb c\u00f4ng t\u1eafc gi\u1edbi h\u1ea1n \u0111\u1ec3 ph\u00e1t hi\u1ec7n m\u1edf c\u1eeda. Khi c\u1eeda b\u1ea3o v\u1ec7 an to\u00e0n \u0111\u01b0\u1ee3c m\u1edf, h\u1ed9p thi\u1ebft b\u1ecb s\u1ebd ng\u1eebng ch\u1ea1y; bu\u1ed3ng th\u1eed nghi\u1ec7m ch\u1ec9 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng khi c\u1eeda b\u1ea3o v\u1ec7 \u0111\u00f3ng v\u00e0 c\u00f4ng t\u1eafc gi\u1edbi h\u1ea1n \u0111\u00f3ng.<\/span><\/span><\/p>\n

3.3 C\u1eeda s\u1ed5 quan s\u00e1t<\/span><\/span><\/span><\/h2>\n

K\u00edch th\u01b0\u1edbc thi\u1ebft k\u1ebf c\u1ee7a c\u1eeda s\u1ed5 quan s\u00e1t kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 l\u1edbn. N\u00f3 ph\u1ea3i tr\u00f2n. V\u00f2ng ngo\u00e0i v\u00e0 c\u1eeda bu\u1ed3ng th\u1eed nghi\u1ec7m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh b\u1eb1ng ch\u1ed1t th\u00e9p kh\u00f4ng g\u1ec9 hai l\u1edbp. V\u1ec1 v\u1eadt li\u1ec7u k\u00ednh, n\u00ean s\u1eed d\u1ee5ng k\u00ednh ch\u1ed1ng n\u1ed5 c\u01b0\u1eddng l\u1ef1c v\u00e0 n\u00ean l\u1eafp l\u01b0\u1edbi b\u1ea3o v\u1ec7 b\u00ean ngo\u00e0i k\u00ednh \u0111\u1ec3 b\u1ea3o v\u1ec7, tr\u00e1nh c\u00e1c m\u1ea3nh k\u00ednh v\u1ee1 g\u00e2y th\u01b0\u01a1ng t\u00edch cho ng\u01b0\u1eddi trong qu\u00e1 tr\u00ecnh n\u1ed5.<\/span><\/span><\/p>\n

3.4 L\u1ed7 ch\u00ec<\/span><\/span><\/span><\/h2>\n

Ngo\u00e0i n\u00fat cao su c\u00e1ch nhi\u1ec7t, l\u1ed7 d\u1eabn c\u0169ng ph\u1ea3i \u0111\u01b0\u1ee3c trang b\u1ecb n\u1eafp v\u00edt b\u1ea3o v\u1ec7 c\u00f3 ren v\u1edbi m\u1ed9t l\u1ed7 nh\u1ecf \u0111\u01b0\u1ee3c khoan tr\u00ean n\u1eafp v\u00edt. \u1ed0ng b\u1ea3o v\u1ec7 nh\u00fang \u0111\u1ec3 lu\u1ed3n ren. Khi \u00e1p su\u1ea5t trong h\u1ed9p t\u0103ng \u0111\u1ed9t ng\u1ed9t, n\u1eafp v\u00edt c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n n\u00fat cao su b\u1eafn ra v\u00e0 g\u00e2y th\u01b0\u01a1ng t\u00edch cho ng\u01b0\u1eddi.<\/span><\/span><\/p>\n

3.5 \u0110\u1ecba \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t<\/span><\/span><\/span><\/h2>\n

\u0110\u1ec3 tr\u00e1nh \u00e1p su\u1ea5t t\u0103ng xung quanh bu\u1ed3ng th\u1eed khi bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p gi\u1ea3i ph\u00f3ng \u00e1p su\u1ea5t. V\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t bu\u1ed3ng th\u1eed ph\u1ea3i r\u1ed9ng r\u00e3i v\u00e0 kh\u00f4ng c\u00f3 ch\u01b0\u1edbng ng\u1ea1i v\u1eadt xung quanh bu\u1ed3ng th\u1eed. \u0110\u1ec3 ng\u0103n ng\u1eeba h\u1ecfa ho\u1ea1n trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 t\u1ed5n th\u1ea5t th\u1ee9 c\u1ea5p do gi\u1ea3i ph\u00f3ng \u00e1p su\u1ea5t, ph\u1ea3i gi\u1eef m\u1ed9t kho\u1ea3ng c\u00e1ch nh\u1ea5t \u0111\u1ecbnh gi\u1eefa \u0111\u1ec9nh h\u1ed9p th\u1eed v\u00e0 m\u00e1i ph\u00f2ng th\u00ed nghi\u1ec7m.<\/span><\/span><\/p>\n

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

Thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng ch\u1ee7 y\u1ebfu m\u00f4 ph\u1ecfng m\u1ed9t lo\u1ea1t c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u1ef1 nhi\u00ean nh\u01b0 nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p, nhi\u1ec7t \u1ea9m, \u00e1p su\u1ea5t th\u1ea5p, c\u00e1t v\u00e0 b\u1ee5i, v\u00e0 c\u00f3 y\u00eau c\u1ea7u cao v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c m\u00f4 ph\u1ecfng. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p. Ng\u00e0y c\u00e0ng nhi\u1ec1u kh\u00e1ch h\u00e0ng<\/p>\n","protected":false},"author":1,"featured_media":19848,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19847","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-cong-nghe"],"acf":[],"_links":{"self":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19847","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/comments?post=19847"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19847\/revisions"}],"predecessor-version":[{"id":22088,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19847\/revisions\/22088"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19848"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19847"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19847"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}