{"id":9816,"date":"2024-04-02T13:42:34","date_gmt":"2024-04-02T05:42:34","guid":{"rendered":"https:\/\/shchimay.com\/?p=9816"},"modified":"2024-04-09T14:44:02","modified_gmt":"2024-04-09T06:44:02","slug":"why-is-my-orp-low","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/why-is-my-orp-low\/","title":{"rendered":"t\u1ea1i sao orp c\u1ee7a t\u00f4i l\u1ea1i th\u1ea5p"},"content":{"rendered":"

“T\u0103ng c\u01b0\u1eddng n\u0103ng l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ea1n v\u1edbi m\u1ee9c oxy t\u1ed1i \u01b0u.”<\/p>\n

L\u00fd do m\u1ee9c ORP th\u1ea5p trong n\u01b0\u1edbc<\/h1>\n

\nTi\u1ec1m n\u0103ng oxy h\u00f3a-kh\u1eed (ORP) l\u00e0 ph\u00e9p \u0111o cho th\u1ea5y kh\u1ea3 n\u0103ng oxy h\u00f3a ho\u1eb7c kh\u1eed m\u1ed9t ch\u1ea5t kh\u00e1c c\u1ee7a m\u1ed9t ch\u1ea5t. Trong b\u1ed1i c\u1ea3nh ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, ORP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 s\u1ea1ch v\u00e0 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a n\u01b0\u1edbc. M\u1ee9c ORP th\u1ea5p trong n\u01b0\u1edbc c\u00f3 th\u1ec3 ch\u1ec9 ra nhi\u1ec1u v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 s\u1ef1 an to\u00e0n khi ti\u00eau d\u00f9ng. Hi\u1ec3u l\u00fd do khi\u1ebfn m\u1ee9c ORP th\u1ea5p trong n\u01b0\u1edbc l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u01b0\u1edbc an to\u00e0n v\u00e0 t\u1ed1t cho s\u1ee9c kh\u1ecfe khi s\u1eed d\u1ee5ng.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
M\u00f4 h\u00ecnh<\/td>\nM\u00e1y \u0111o pH\/ORP-510 pH\/ORP<\/td>\n<\/tr>\n
Ph\u1ea1m vi<\/td>\n0-14 pH; -2000 – +2000mV<\/td>\n<\/tr>\n
\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n\u00b10.1pH; \u00b12mV<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9. Comp.<\/td>\nB\u00f9 nhi\u1ec7t \u0111\u1ed9 b\u1eb1ng tay\/t\u1ef1 \u0111\u1ed9ng; Kh\u00f4ng c\u00f3 ph\u1ea7n b\u00f9<\/td>\n<\/tr>\n
Ho\u1ea1t \u0111\u1ed9ng. Nhi\u1ec7t \u0111\u1ed9<\/td>\nB\u00ecnh th\u01b0\u1eddng 0\uff5e60\u2103; Nhi\u1ec7t \u0111\u1ed9 cao 0\uff5e100\u2103<\/td>\n<\/tr>\n
C\u1ea3m bi\u1ebfn<\/td>\nc\u1ea3m bi\u1ebfn pH \u0111\u00f4i\/ba; C\u1ea3m bi\u1ebfn ORP<\/td>\n<\/tr>\n
Hi\u1ec3n th\u1ecb<\/td>\nM\u00e0n H\u00ecnh LCD<\/td>\n<\/tr>\n
Giao ti\u1ebfp<\/td>\n\u0110\u1ea7u ra 4-20mA\/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>\n48\u00d796\u00d7100mm(H\u00d7W\u00d7L)<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n45\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\u1ed9t l\u00fd do ph\u1ed5 bi\u1ebfn khi\u1ebfn m\u1ee9c ORP trong n\u01b0\u1edbc th\u1ea5p l\u00e0 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m. C\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m nh\u01b0 kim lo\u1ea1i n\u1eb7ng, thu\u1ed1c tr\u1eeb s\u00e2u v\u00e0 h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m ORP c\u1ee7a n\u01b0\u1edbc b\u1eb1ng c\u00e1ch can thi\u1ec7p v\u00e0o c\u00e1c ph\u1ea3n \u1ee9ng oxy h\u00f3a-kh\u1eed c\u1ee7a n\u00f3. Nh\u1eefng ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o ngu\u1ed3n n\u01b0\u1edbc th\u00f4ng qua nhi\u1ec1u c\u00e1ch kh\u00e1c nhau, bao g\u1ed3m d\u00f2ng ch\u1ea3y n\u00f4ng nghi\u1ec7p, ch\u1ea5t th\u1ea3i c\u00f4ng nghi\u1ec7p v\u00e0 x\u1eed l\u00fd ch\u1ea5t th\u1ea3i kh\u00f4ng \u0111\u00fang c\u00e1ch. Khi nh\u1eefng ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m n\u00e0y c\u00f3 trong n\u01b0\u1edbc, ch\u00fang c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m ORP v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a n\u01b0\u1edbc.<\/p>\n

\"alt-782\"
\n\"alt-783\"
\nM\u1ed9t y\u1ebfu t\u1ed1 kh\u00e1c c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n l\u00e0m gi\u1ea3m m\u1ee9c ORP trong n\u01b0\u1edbc l\u00e0 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a ch\u1ea5t h\u1eefu c\u01a1. C\u00e1c ch\u1ea5t h\u1eefu c\u01a1 nh\u01b0 x\u00e1c th\u1ef1c v\u1eadt m\u1ee5c n\u00e1t, t\u1ea3o v\u00e0 vi khu\u1ea9n c\u00f3 th\u1ec3 ti\u00eau th\u1ee5 oxy trong n\u01b0\u1edbc, d\u1eabn \u0111\u1ebfn gi\u1ea3m ORP. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 x\u1ea3y ra trong c\u00e1c v\u00f9ng n\u01b0\u1edbc t\u1ef1 nhi\u00ean nh\u01b0 h\u1ed3 v\u00e0 s\u00f4ng, c\u0169ng nh\u01b0 trong c\u00e1c h\u1ec7 th\u1ed1ng n\u01b0\u1edbc nh\u00e2n t\u1ea1o nh\u01b0 h\u1ed3 ch\u1ee9a v\u00e0 nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc. Khi ch\u1ea5t h\u1eefu c\u01a1 t\u00edch t\u1ee5 trong n\u01b0\u1edbc, n\u00f3 c\u00f3 th\u1ec3 t\u1ea1o ra m\u00f4i tr\u01b0\u1eddng thu\u1eadn l\u1ee3i cho vi khu\u1ea9n c\u00f3 h\u1ea1i v\u00e0 m\u1ea7m b\u1ec7nh ph\u00e1t tri\u1ec3n, l\u00e0m gi\u1ea3m ORP h\u01a1n n\u1eefa.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
M\u1eabu s\u1ea3n ph\u1ea9m<\/td>\nDOF-6310 v\u00e0 nbsp;(DOF-6141)<\/td>\n<\/tr>\n
T\u00ean s\u1ea3n ph\u1ea9m<\/td>\nThi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i thu th\u1eadp d\u1eef li\u1ec7u oxy h\u00f2a tan<\/td>\n<\/tr>\n
Ph\u01b0\u01a1ng ph\u00e1p \u0111o<\/td>\nPh\u01b0\u01a1ng ph\u00e1p hu\u1ef3nh quang<\/td>\n<\/tr>\n
Ph\u1ea1m vi \u0111o<\/td>\n0-20mg\/L<\/td>\n<\/tr>\n
\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n\u00b10,3mg\/L<\/td>\n<\/tr>\n
\u0110\u1ed9 ph\u00e2n gi\u1ea3i v\u00e0 nbsp; v\u00e0 nbsp;<\/td>\n0,01mg\/L<\/td>\n<\/tr>\n
Th\u1eddi gian \u0111\u00e1p \u1ee9ng<\/td>\nth\u1eadp ni\u00ean 90<\/td>\n<\/tr>\n
\u0110\u1ed9 l\u1eb7p l\u1ea1i<\/td>\n5 ph\u1ea7n tr\u0103m RS<\/td>\n<\/tr>\n
B\u00f9 nhi\u1ec7t \u0111\u1ed9<\/td>\n0-60.0\u2103 \u0110\u1ed9 ch\u00ednh x\u00e1c:\u00b10.5\u2103<\/td>\n<\/tr>\n
B\u00f9 \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed<\/td>\n300-1100hPa<\/td>\n<\/tr>\n
\u0110\u1ee9ng \u00e1p l\u1ef1c<\/td>\n0,3Mpa<\/td>\n<\/tr>\n
Giao ti\u1ebfp<\/td>\nGiao th\u1ee9c chu\u1ea9n RS485 MODBUS-RTU<\/td>\n<\/tr>\n
S\u1ee9c m\u1ea1nh<\/td>\nDC(9-28)V<\/td>\n<\/tr>\n
N\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5<\/td>\n v\u00e0 lt;2W<\/td>\n<\/tr>\n
M\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng<\/td>\nNhi\u1ec7t \u0111\u1ed9:(0-50)\u2103<\/td>\n<\/tr>\n
M\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/td>\nNhi\u1ec7t \u0111\u1ed9:(-10-60)\u2103; v\u00e0 nbsp;\u0110\u1ed9 \u1ea9m:\u226495 ph\u1ea7n tr\u0103m RH(Kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n
C\u00e0i \u0111\u1eb7t<\/td>\nNg\u1eadp n\u01b0\u1edbc<\/td>\n<\/tr>\n
M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/td>\nIP68<\/td>\n<\/tr>\n
Tr\u1ecdng l\u01b0\u1ee3ng<\/td>\n1,5Kg (c\u00f3 c\u00e1p 10m)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

\nNgo\u00e0i c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m v\u00e0 ch\u1ea5t h\u1eefu c\u01a1, n\u1ed3ng \u0111\u1ed9 ORP trong n\u01b0\u1edbc th\u1ea5p c\u0169ng c\u00f3 th\u1ec3 do s\u1ee5c kh\u00ed kh\u00f4ng \u0111\u1ee7. S\u1ee5c kh\u00ed l\u00e0 qu\u00e1 tr\u00ecnh \u0111\u01b0a kh\u00f4ng kh\u00ed v\u00e0o n\u01b0\u1edbc \u0111\u1ec3 t\u0103ng h\u00e0m l\u01b0\u1ee3ng oxy, t\u1eeb \u0111\u00f3 l\u00e0m t\u0103ng ORP. Vi\u1ec7c s\u1ee5c kh\u00ed kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 c\u00f3 th\u1ec3 x\u1ea3y ra trong c\u00e1c h\u1ec7 th\u1ed1ng n\u01b0\u1edbc \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ho\u1eb7c b\u1ea3o tr\u00ec k\u00e9m, d\u1eabn \u0111\u1ebfn n\u01b0\u1edbc \u1ee9 \u0111\u1ecdng v\u1edbi l\u01b0\u1ee3ng oxy th\u1ea5p. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ee9c ORP th\u1ea5p v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc k\u00e9m c\u0169ng nh\u01b0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a vi khu\u1ea9n k\u1ef5 kh\u00ed ph\u00e1t tri\u1ec3n m\u1ea1nh trong m\u00f4i tr\u01b0\u1eddng thi\u1ebfu oxy.
\nhttp:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/TU-650-\u4f4e\u91cf\u7a0b\u6d4a\u5ea6-\u663e\u793a\u4e00\u4f53\u5f0f\u5e26. mp4<\/a><\/p>\n