{"id":18368,"date":"2024-05-23T10:11:12","date_gmt":"2024-05-23T02:11:12","guid":{"rendered":"https:\/\/chimaytech.net\/?p=18368"},"modified":"2024-05-27T13:46:36","modified_gmt":"2024-05-27T05:46:36","slug":"uses-of-dissolved-oxygen-meter","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/uses-of-dissolved-oxygen-meter\/","title":{"rendered":"c\u00f4ng d\u1ee5ng c\u1ee7a m\u00e1y \u0111o oxy h\u00f2a tan"},"content":{"rendered":"

Kh\u00e1m ph\u00e1 c\u00f4ng d\u1ee5ng thi\u1ebft y\u1ebfu c\u1ee7a m\u00e1y \u0111o oxy h\u00f2a tan trong nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n<\/h1>\n

\nM\u00e1y \u0111o oxy h\u00f2a tan hay c\u00f2n g\u1ecdi l\u00e0 m\u00e1y \u0111o DO l\u00e0 c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu trong l\u0129nh v\u1ef1c nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n. Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y \u0111o l\u01b0\u1ee3ng oxy h\u00f2a tan trong n\u01b0\u1edbc, m\u1ed9t th\u00f4ng s\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ee9c kh\u1ecfe v\u00e0 s\u1ef1 s\u1ed1ng s\u00f3t c\u1ee7a c\u00e1c sinh v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc. T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c duy tr\u00ec m\u1ee9c oxy h\u00f2a tan t\u1ed1i \u01b0u kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c ph\u00f3ng \u0111\u1ea1i, v\u00ec n\u00f3 l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng cho qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p c\u1ee7a c\u00e1 v\u00e0 c\u00e1c lo\u00e0i th\u1ee7y sinh kh\u00e1c.<\/p>\n

C\u00f4ng d\u1ee5ng ch\u00ednh c\u1ee7a m\u00e1y \u0111o oxy h\u00f2a tan trong nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n l\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ee9c kh\u1ecfe v\u00e0 ph\u00fac l\u1ee3i c\u1ee7a c\u00e1 qu\u1ea7n th\u1ec3 thu\u1ef7 sinh. C\u00e1, gi\u1ed1ng nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c sinh v\u1eadt s\u1ed1ng, c\u1ea7n oxy \u0111\u1ec3 t\u1ed3n t\u1ea1i. Tuy nhi\u00ean, kh\u00f4ng gi\u1ed1ng nh\u01b0 \u0111\u1ed9ng v\u1eadt tr\u00ean c\u1ea1n, c\u00e1 l\u1ea5y oxy tr\u1ef1c ti\u1ebfp t\u1eeb n\u01b0\u1edbc n\u01a1i ch\u00fang sinh s\u1ed1ng. N\u1ebfu n\u1ed3ng \u0111\u1ed9 oxy trong n\u01b0\u1edbc gi\u1ea3m qu\u00e1 th\u1ea5p, c\u00e1 c\u00f3 th\u1ec3 b\u1ecb c\u0103ng th\u1eb3ng, d\u1eabn \u0111\u1ebfn b\u1ec7nh t\u1eadt v\u00e0 trong tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng l\u00e0 t\u1eed vong. B\u1eb1ng c\u00e1ch th\u01b0\u1eddng xuy\u00ean theo d\u00f5i n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan, ng\u01b0\u1eddi nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ch\u1ee7 \u0111\u1ed9ng \u0111\u1ec3 ng\u0103n ch\u1eb7n nh\u1eefng t\u00ecnh hu\u1ed1ng nh\u01b0 v\u1eady.<\/p>\n

Ngo\u00e0i vi\u1ec7c b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe c\u1ee7a c\u00e1, m\u00e1y \u0111o oxy h\u00f2a tan c\u00f2n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a n\u0103ng su\u1ea5t c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n. H\u00e0m l\u01b0\u1ee3ng oxy h\u00f2a tan cao th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 sinh s\u1ea3n c\u1ee7a c\u00e1, d\u1eabn \u0111\u1ebfn n\u0103ng su\u1ea5t cao h\u01a1n. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan th\u1ea5p c\u00f3 th\u1ec3 k\u00ecm h\u00e3m s\u1ef1 t\u0103ng tr\u01b0\u1edfng v\u00e0 gi\u1ea3m t\u1ef7 l\u1ec7 sinh s\u1ea3n, \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn l\u1ee3i nhu\u1eadn c\u1ee7a ho\u1ea1t \u0111\u1ed9ng. Do \u0111\u00f3, vi\u1ec7c duy tr\u00ec m\u1ee9c oxy h\u00f2a tan t\u1ed1i \u01b0u kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 ph\u00fac l\u1ee3i \u0111\u1ed9ng v\u1eadt m\u00e0 c\u00f2n l\u00e0 v\u1ea5n \u0111\u1ec1 kinh t\u1ebf.<\/p>\n

M\u00e1y \u0111o oxy h\u00f2a tan c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u00e1m s\u00e1t v\u00e0 qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc trong c\u00e1c h\u1ec7 th\u1ed1ng nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n. C\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 m\u1eb7n v\u00e0 \u00e1p su\u1ea5t, c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng oxy m\u00e0 n\u01b0\u1edbc c\u00f3 th\u1ec3 ch\u1ee9a. B\u1eb1ng c\u00e1ch \u0111o m\u1ee9c oxy h\u00f2a tan, ng\u01b0\u1eddi nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n c\u00f3 th\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u01a1 b\u1ea3n n\u00e0y v\u00e0 \u0111i\u1ec1u ch\u1ec9nh chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd cho ph\u00f9 h\u1ee3p. V\u00ed d\u1ee5, n\u1ebfu n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan lu\u00f4n \u1edf m\u1ee9c th\u1ea5p, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 cho th\u1ea5y n\u01b0\u1edbc qu\u00e1 \u1ea5m, d\u1eabn \u0111\u1ebfn c\u1ea7n ph\u1ea3i c\u00f3 c\u00e1c bi\u1ec7n ph\u00e1p l\u00e0m m\u00e1t.<\/p>\n

H\u01a1n n\u1eefa, m\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 c\u00f4ng c\u1ee5 \u0111\u00e1nh gi\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c cho \u0103n \u0111\u1ed1i v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc. Cho \u0103n qu\u00e1 nhi\u1ec1u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn d\u01b0 th\u1eeba ch\u1ea5t h\u1eefu c\u01a1 trong n\u01b0\u1edbc, vi khu\u1ea9n s\u1ebd ph\u00e2n h\u1ee7y ch\u1ea5t n\u00e0y trong qu\u00e1 tr\u00ecnh ti\u00eau th\u1ee5 oxy. B\u1eb1ng c\u00e1ch theo d\u00f5i m\u1ee9c \u0111\u1ed9 oxy h\u00f2a tan, ng\u01b0\u1eddi nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec7u ph\u01b0\u01a1ng ph\u00e1p cho \u0103n c\u1ee7a h\u1ecd c\u00f3 ph\u00f9 h\u1ee3p hay kh\u00f4ng ho\u1eb7c li\u1ec7u c\u00f3 c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 suy gi\u1ea3m oxy hay kh\u00f4ng.
\n[nh\u00fang]http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROS-2210-RO\u7a0b\u5e8f\u63a7\u5236\u53cc\u8def\u7535\u5bfc\u7387.mp4[\/embed ]
\nCu\u1ed1i c\u00f9ng, m\u00e1y \u0111o oxy h\u00f2a tan \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong n\u1ed7 l\u1ef1c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n nh\u1eb1m c\u1ea3i thi\u1ec7n ho\u1ea1t \u0111\u1ed9ng nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n. B\u1eb1ng c\u00e1ch nghi\u00ean c\u1ee9u m\u1ed1i quan h\u1ec7 gi\u1eefa n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nhau nh\u01b0 s\u1ef1 t\u0103ng tr\u01b0\u1edfng, sinh s\u1ea3n v\u00e0 kh\u1ea3 n\u0103ng kh\u00e1ng b\u1ec7nh c\u1ee7a c\u00e1, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c v\u00e0 c\u00f4ng ngh\u1ec7 m\u1edbi \u0111\u1ec3 n\u00e2ng cao t\u00ednh b\u1ec1n v\u1eefng v\u00e0 n\u0103ng su\u1ea5t c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n.<\/p>\n

\"alt-5710\"<\/p>\n

T\u00f3m l\u1ea1i, m\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu trong nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n, ph\u1ee5c v\u1ee5 nhi\u1ec1u m\u1ee5c \u0111\u00edch. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe c\u1ee7a c\u00e1, t\u1ed1i \u01b0u h\u00f3a n\u0103ng su\u1ea5t, qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng\u0111\u00e1nh gi\u00e1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p cho \u0103n v\u00e0 th\u00fac \u0111\u1ea9y c\u00e1c n\u1ed7 l\u1ef1c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n. Do nhu c\u1ea7u v\u1ec1 h\u1ea3i s\u1ea3n ti\u1ebfp t\u1ee5c t\u0103ng v\u00e0 c\u00f9ng v\u1edbi \u0111\u00f3 l\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n, vai tr\u00f2 c\u1ee7a m\u00e1y \u0111o oxy h\u00f2a tan trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ec1n v\u1eefng v\u00e0 th\u00e0nh c\u00f4ng c\u1ee7a ng\u00e0nh n\u00e0y s\u1ebd c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n.<br>
\n<h1 id="understanding-the-role-of-dissolved-oxygen-meters-in-water-quality-management-wpaicgheading">Hi\u1ec3u r\u00f5 vai tr\u00f2 c\u1ee7a m\u00e1y \u0111o oxy h\u00f2a tan trong qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc<\/h1><br>
\nM\u00e1y \u0111o oxy h\u00f2a tan \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng c\u1ee7a h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc. Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y \u0111o l\u01b0\u1ee3ng oxy h\u00f2a tan trong n\u01b0\u1edbc, m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 t\u1ed3n t\u1ea1i v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a sinh v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc. Kh\u00f4ng th\u1ec3 ph\u00f3ng \u0111\u1ea1i t\u1ea7m quan tr\u1ecdng c\u1ee7a oxy h\u00f2a tan trong n\u01b0\u1edbc v\u00ec \u0111\u00e2y l\u00e0 ch\u1ec9 s\u1ed1 ch\u00ednh v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 s\u1ee9c kh\u1ecfe t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ec7 sinh th\u00e1i.<br>
\nhttps:\/\/www.youtube.com\/watch?v=2b3HVNwTzCQ<\/a><\/p>\n

\"alt-5713\"
\nM\u00e1y \u0111o oxy h\u00f2a tan \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau, t\u1eeb nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u0111\u1ebfn th\u1ee7y s\u1ea3n, \u0111\u1ec3 theo d\u00f5i v\u00e0 duy tr\u00ec m\u1ee9c oxy t\u1ed1i \u01b0u. V\u00ed d\u1ee5, trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, nh\u1eefng m\u00e1y \u0111o n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng l\u01b0\u1ee3ng oxy \u0111\u1ee7 cho vi khu\u1ea9n hi\u1ebfu kh\u00ed ph\u00e2n h\u1ee7y ch\u1ea5t th\u1ea3i h\u1eefu c\u01a1. N\u1ebfu n\u1ed3ng \u0111\u1ed9 oxy qu\u00e1 th\u1ea5p, vi khu\u1ea9n kh\u00f4ng th\u1ec3 ph\u00e2n h\u1ee7y ch\u1ea5t th\u1ea3i m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, d\u1eabn \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc k\u00e9m. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu n\u1ed3ng \u0111\u1ed9 oxy qu\u00e1 cao c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ti\u00eau t\u1ed1n n\u0103ng l\u01b0\u1ee3ng v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh kh\u00f4ng c\u1ea7n thi\u1ebft. Do \u0111\u00f3, vi\u1ec7c duy tr\u00ec s\u1ef1 c\u00e2n b\u1eb1ng ph\u00f9 h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng v\u00e0 m\u00e1y \u0111o oxy h\u00f2a tan cung c\u1ea5p ph\u01b0\u01a1ng ti\u1ec7n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y.<\/p>\n

Trong b\u1ed1i c\u1ea3nh ngh\u1ec1 c\u00e1 v\u00e0 nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n, m\u00e1y \u0111o oxy h\u00f2a tan c\u0169ng quan tr\u1ecdng kh\u00f4ng k\u00e9m. C\u00e1, gi\u1ed1ng nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c sinh v\u1eadt hi\u1ebfu kh\u00ed, c\u1ea7n oxy \u0111\u1ec3 t\u1ed3n t\u1ea1i. N\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan th\u1ea5p c\u00f3 th\u1ec3 g\u00e2y c\u0103ng th\u1eb3ng \u1edf c\u00e1, l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9 t\u0103ng tr\u01b0\u1edfng, suy gi\u1ea3m kh\u1ea3 n\u0103ng sinh s\u1ea3n v\u00e0 trong tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1 ch\u1ebft h\u00e0ng lo\u1ea1t. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y \u0111o oxy h\u00f2a tan, ng\u01b0\u1eddi nu\u00f4i c\u00e1 c\u00f3 th\u1ec3 theo d\u00f5i n\u1ed3ng \u0111\u1ed9 oxy trong th\u1eddi gian th\u1ef1c v\u00e0 h\u00e0nh \u0111\u1ed9ng ngay l\u1eadp t\u1ee9c n\u1ebfu m\u1ee9c \u0111\u1ed9 gi\u1ea3m qu\u00e1 th\u1ea5p. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u1ea3m b\u1ea3o s\u1ee9c kh\u1ecfe v\u00e0 ph\u00fac l\u1ee3i c\u1ee7a c\u00e1 m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng kinh t\u1ebf c\u1ee7a ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
M\u00f4 h\u00ecnh<\/td>\nB\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n tr\u1ef1c tuy\u1ebfn EC-1800<\/td>\n<\/tr>\n
Ph\u1ea1m vi<\/td>\n0-2000\/4000uS\/cm 0-20\/200mS\/cm<\/td>\n<\/tr>\n
0-1000\/2000PPM<\/td>\n<\/tr>\n
\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n1,5% , 2% , 3% (FS)<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9. Comp.<\/td>\nB\u00f9 nhi\u1ec7t \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng d\u1ef1a tr\u00ean 25\u2103<\/td>\n<\/tr>\n
Ho\u1ea1t \u0111\u1ed9ng. Nhi\u1ec7t \u0111\u1ed9<\/td>\nB\u00ecnh th\u01b0\u1eddng 0\uff5e50\u2103; Nhi\u1ec7t \u0111\u1ed9 cao 0\uff5e120\u2103<\/td>\n<\/tr>\n
C\u1ea3m bi\u1ebfn<\/td>\nC=0,1\/1,0\/10,0cm-1<\/sup><\/td>\n<\/tr>\n
Hi\u1ec3n th\u1ecb<\/td>\nM\u00e0n h\u00ecnh LCD 128*64<\/td>\n<\/tr>\n
Giao ti\u1ebfp<\/td>\n\u0110\u1ea7u ra 4-20mA\/2-10V\/1-5V\/RS485<\/td>\n<\/tr>\n
\u0110\u1ea7u ra<\/td>\n\u0110i\u1ec1u khi\u1ec3n r\u01a1le k\u00e9p gi\u1edbi h\u1ea1n Cao\/Th\u1ea5p<\/td>\n<\/tr>\n
S\u1ee9c m\u1ea1nh<\/td>\nAC 220V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c AC 110V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c DC24V\/0,5A<\/td>\n<\/tr>\n
M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\nNhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng:0\uff5e50\u2103<\/td>\n<\/tr>\n
\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\u226485 ph\u1ea7n tr\u0103m<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc<\/td>\n96\u00d796\u00d7100mm(H\u00d7W\u00d7L)<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n92\u00d792mm(H\u00d7W)<\/td>\n<\/tr>\n
Ch\u1ebf \u0110\u1ed9 C\u00e0i \u0110\u1eb7t<\/td>\n\u0110\u00e3 nh\u00fang<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

M\u00e1y \u0111o oxy h\u00f2a tan c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nghi\u00ean c\u1ee9u v\u00e0 gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng. C\u00e1c nh\u00e0 khoa h\u1ecdc s\u1eed d\u1ee5ng nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y \u0111\u1ec3 nghi\u00ean c\u1ee9u t\u00ecnh tr\u1ea1ng c\u1ee7a s\u00f4ng, h\u1ed3 v\u00e0 \u0111\u1ea1i d\u01b0\u01a1ng. Nh\u1eefng thay \u0111\u1ed5i v\u1ec1 n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan c\u00f3 th\u1ec3 cho th\u1ea5y t\u00ecnh tr\u1ea1ng \u00f4 nhi\u1ec5m ho\u1eb7c c\u00e1c r\u1ed1i lo\u1ea1n m\u00f4i tr\u01b0\u1eddng kh\u00e1c. V\u00ed d\u1ee5, s\u1ef1 gia t\u0103ng ch\u1ea5t dinh d\u01b0\u1ee1ng t\u1eeb d\u00f2ng ch\u1ea3y n\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng t\u1ea3o n\u1edf hoa, ti\u00eau th\u1ee5 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn oxy v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng thi\u1ebfu oxy ho\u1eb7c l\u01b0\u1ee3ng oxy th\u1ea5p. B\u1eb1ng c\u00e1ch theo d\u00f5i n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm nh\u1eefng hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y v\u00e0 n\u1ed7 l\u1ef1c gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u00fang.<\/p>\n

H\u01a1n n\u1eefa, m\u00e1y \u0111o oxy h\u00f2a tan c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh s\u1ea3n xu\u1ea5t bia v\u00e0 \u0111\u1ed3 u\u1ed1ng. Oxy c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn h\u01b0\u01a1ng v\u1ecb v\u00e0 th\u1eddi h\u1ea1n s\u1eed d\u1ee5ng c\u1ee7a m\u1ed9t s\u1ed1 lo\u1ea1i \u0111\u1ed3 u\u1ed1ng nh\u01b0 bia v\u00e0 r\u01b0\u1ee3u vang. V\u00ec v\u1eady, vi\u1ec7c theo d\u00f5i, ki\u1ec3m so\u00e1t h\u00e0m l\u01b0\u1ee3ng oxy trong qu\u00e1 tr\u00ecnh \u1ee7 bia l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
B\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng FCT-8350<\/td>\n<\/tr>\n
Ph\u1ea1m vi \u0111o<\/td>\nL\u01b0u l\u01b0\u1ee3ng t\u1ee9c th\u1eddi:(0~2000)m3\/h;L\u01b0u l\u01b0\u1ee3ng t\u00edch l\u0169y:(0~99999999)m3<\/td>\n<\/tr>\n
T\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y<\/td>\n(0~5)m\/s<\/td>\n<\/tr>\n
\u0110\u01b0\u1eddng k\u00ednh \u1ed1ng \u00e1p d\u1ee5ng<\/td>\nDN 25~DN 1000 \u0111\u1ec3 l\u1ef1a ch\u1ecdn<\/td>\n<\/tr>\n
\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n0,001 m3\/h<\/td>\n<\/tr>\n
Kho\u1ea3ng th\u1eddi gian gia h\u1ea1n<\/td>\n1S<\/td>\n<\/tr>\n
\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\nc\u1ea5p 2.0<\/td>\n<\/tr>\n
Kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i<\/td>\n\u00b10,5 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n
\u0110\u1ea7u d\u00f2 \u0111\u1ea7u v\u00e0o<\/td>\nPh\u1ea1m vi: 0,5Hz~2KHz;Ngu\u1ed3n \u0111i\u1ec7n:DC 12V (ngu\u1ed3n cung c\u1ea5p nh\u1ea1c c\u1ee5)<\/td>\n<\/tr>\n
\u0110\u1ea7u ra t\u01b0\u01a1ng t\u1ef1<\/td>\n(4~20)mA,Thi\u1ebft b\u1ecb\/m\u00e1y ph\u00e1t \u0111\u1ec3 l\u1ef1a ch\u1ecdn;<\/td>\n<\/tr>\n
\u0110\u1ea7u ra \u0111i\u1ec1u khi\u1ec3n<\/td>\nR\u01a1le quang \u0111i\u1ec7n t\u1eed b\u00e1n d\u1eabn, d\u00f2ng t\u1ea3i 50mA(max),AC\/DC 30V<\/td>\n<\/tr>\n
Ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n<\/td>\nC\u1ea3nh b\u00e1o gi\u1edbi h\u1ea1n l\u01b0u l\u01b0\u1ee3ng cao\/th\u1ea5p t\u1ee9c th\u1eddi, chuy\u1ec3n \u0111\u1ed5i t\u1ea7n s\u1ed1 bi\u1ebfn \u0111\u1ed5i l\u01b0u l\u01b0\u1ee3ng<\/td>\n<\/tr>\n
C\u00f4ng su\u1ea5t l\u00e0m vi\u1ec7c<\/td>\nDC24V<\/td>\n<\/tr>\n
Ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng:<\/td>\n v\u00e0 lt;3.0W<\/td>\n<\/tr>\n
Chi\u1ec1u d\u00e0i c\u00e1p<\/td>\n5m theo ti\u00eau chu\u1ea9n; ho\u1eb7c (1~500)m \u0111\u1ec3 l\u1ef1a ch\u1ecdn<\/td>\n<\/tr>\n
M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\nNhi\u1ec7t \u0111\u1ed9.:(0~50)\u2103;\u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\u226485 ph\u1ea7n tr\u0103m RH(kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n
M\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/td>\nNhi\u1ec7t \u0111\u1ed9.:(-20~60)\u2103; \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i:\u226485 ph\u1ea7n tr\u0103m RH (kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n
M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/td>\nIP65(c\u00f3 n\u1eafp l\u01b0ng)<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc<\/td>\n96 mm\u00d796 mm\u00d794mm (H\u00d7W\u00d7D)<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n91mm\u00d791mm(H\u00d7W)<\/td>\n<\/tr>\n
C\u00e0i \u0111\u1eb7t<\/td>\nG\u1eafn b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, l\u1eafp \u0111\u1eb7t nhanh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

\nT\u00f3m l\u1ea1i, m\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 c\u00f4ng c\u1ee5 linh ho\u1ea1t \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau. Ch\u00fang r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec s\u1ee9c kh\u1ecfe c\u1ee7a h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc, \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, b\u1ea3o v\u1ec7 s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1nh b\u1eaft v\u00e0 nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n c\u0169ng nh\u01b0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ed3 u\u1ed1ng. Khi s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 t\u1ea7m quan tr\u1ecdng c\u1ee7a oxy h\u00f2a tan trong n\u01b0\u1edbc ti\u1ebfp t\u1ee5c t\u0103ng l\u00ean th\u00ec t\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb n\u00e0y trong vi\u1ec7c qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u0169ng s\u1ebd t\u0103ng l\u00ean. Cho d\u00f9 \u1edf nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, trang tr\u1ea1i nu\u00f4i c\u00e1, t\u00e0u nghi\u00ean c\u1ee9u hay nh\u00e0 m\u00e1y bia, m\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 theo d\u00f5i v\u00e0 qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc.<\/p>\n","protected":false},"excerpt":{"rendered":"

Kh\u00e1m ph\u00e1 c\u00f4ng d\u1ee5ng thi\u1ebft y\u1ebfu c\u1ee7a m\u00e1y \u0111o oxy h\u00f2a tan trong nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n M\u00e1y \u0111o oxy h\u00f2a tan hay c\u00f2n g\u1ecdi l\u00e0 m\u00e1y \u0111o DO l\u00e0 c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu trong l\u0129nh v\u1ef1c nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n. Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y \u0111o l\u01b0\u1ee3ng oxy h\u00f2a tan trong n\u01b0\u1edbc, m\u1ed9t th\u00f4ng…<\/p>\n","protected":false},"author":1,"featured_media":18371,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[202],"tags":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"pt":{"title":false,"content":false,"excerpt":false},"ar":{"title":false,"content":false,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":false,"content":false,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"id":{"title":true,"content":true,"excerpt":false},"hi":{"title":false,"content":false,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"tr":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/18368"}],"collection":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/comments?post=18368"}],"version-history":[{"count":0,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/18368\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media\/18371"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media?parent=18368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/categories?post=18368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/tags?post=18368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}