{"id":26651,"date":"2024-09-13T13:46:03","date_gmt":"2024-09-13T05:46:03","guid":{"rendered":"https:\/\/chimaytech.net\/?p=26651"},"modified":"2024-09-15T11:40:55","modified_gmt":"2024-09-15T03:40:55","slug":"flow-transmitter-adalah","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/flow-transmitter-adalah\/","title":{"rendered":"m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng adalah"},"content":{"rendered":"

\u01afu \u0111i\u1ec3m c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng trong \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p<\/h1>\n

\nB\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng l\u00e0 thi\u1ebft b\u1ecb thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00e1c nhau \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed. Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c quy tr\u00ecnh trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 d\u1ea7u kh\u00ed, s\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t, x\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 nhi\u1ec1u ng\u00e0nh kh\u00e1c. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd th\u1ea3o lu\u1eadn v\u1ec1 nh\u1eefng l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p.<\/p>\n

\n\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 Oline d\u1eabn \u0111i\u1ec7n\/n\u1ed3ng \u0111\u1ed9 c\u1ea3m \u1ee9ng CIT-8800<\/td>\n<\/tr>\n
T\u1eadp trung<\/td>\n1.NaOH:(0~15) ph\u1ea7n tr\u0103m ho\u1eb7c (25~50) ph\u1ea7n tr\u0103m ; 2.HNO3<\/sub>:(0~25) ph\u1ea7n tr\u0103m ho\u1eb7c (36~82) ph\u1ea7n tr\u0103m ; 3. \u0110\u01b0\u1eddng cong n\u1ed3ng \u0111\u1ed9 do ng\u01b0\u1eddi d\u00f9ng x\u00e1c \u0111\u1ecbnh<\/td>\n<\/tr>\n
\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n(500~2.000.000)uS\/cm<\/td>\n<\/tr>\n
TDS<\/td>\n(250~1.000.000)ppm<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9.<\/td>\n(0~120)\\\u00b0C<\/td>\n<\/tr>\n
\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n: 0,01uS\/cm; N\u1ed3ng \u0111\u1ed9: 0,01% ; TDS:0,01ppm, Nhi\u1ec7t \u0111\u1ed9: 0,1\\\u2103<\/td>\n<\/tr>\n
\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n: (500~1000)uS\/cm +\/-10uS\/cm; (1~2000)mS\/cm+\/-1,0 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n
TDS: m\u1ee9c 1,5, Nhi\u1ec7t \u0111\u1ed9: +\/- 0,5\\\u2103<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9. b\u1ed3i th\u01b0\u1eddng<\/td>\nPh\u1ea1m vi: (0~120)\\\u00b0C; ph\u1ea7n t\u1eed: Pt1000<\/td>\n<\/tr>\n
C\u1ed5ng giao ti\u1ebfp<\/td>\nGiao th\u1ee9c RS485.Modbus RTU<\/td>\n<\/tr>\n
\u0110\u1ea7u ra t\u01b0\u01a1ng t\u1ef1<\/td>\nHai k\u00eanh c\u00e1ch ly\/c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n (4-20)mA, Thi\u1ebft b\u1ecb \/ M\u00e1y ph\u00e1t \u0111\u1ec3 l\u1ef1a ch\u1ecdn<\/td>\n<\/tr>\n
\u0110\u1ea7u Ra \u0110i\u1ec1u Khi\u1ec3n<\/td>\nC\u00f4ng t\u1eafc quang \u0111i\u1ec7n b\u00e1n d\u1eabn ba k\u00eanh, C\u00f4ng t\u1eafc l\u1eadp tr\u00ecnh, xung v\u00e0 t\u1ea7n s\u1ed1<\/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 <95%RH (non-condensing)<\/td>\n<\/tr>\n
M\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/td>\nNhi\u1ec7t \u0111\u1ed9.(-20~60)\\\u2103;\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i \\\u226485 ph\u1ea7n tr\u0103m RH (kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n
Ngu\u1ed3n \u0111i\u1ec7n<\/td>\nDC 24V+15% <\/td>\n<\/tr>\n
M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/td>\nIP65 (c\u00f3 n\u1eafp sau)<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc<\/td>\n96mmx96mmx94mm(CxRxS)<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n9lmx91mm(CxR)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

\nM\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng l\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng. D\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi v\u1eadn h\u00e0nh gi\u00e1m s\u00e1t v\u00e0 ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed trong m\u1ed9t quy tr\u00ecnh, \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c t\u1ed1i \u01b0u. B\u1eb1ng c\u00e1ch truy c\u1eadp v\u00e0o th\u00f4ng tin t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y ch\u00ednh x\u00e1c v\u00e0 c\u1eadp nh\u1eadt, ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3, gi\u1ea3m l\u00e3ng ph\u00ed v\u00e0 ng\u0103n ch\u1eb7n th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng t\u1ed1n k\u00e9m.<\/p>\n

M\u1ed9t \u01b0u \u0111i\u1ec3m kh\u00e1c c\u1ee7a b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng l\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p s\u1ed1 \u0111o ch\u00ednh x\u00e1c b\u1ea5t k\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec1u ki\u1ec7n. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t v\u00e0 \u00e1p su\u1ea5t cao, khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p. Cho d\u00f9 \u0111\u00f3 l\u00e0 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a h\u00f3a ch\u1ea5t \u0103n m\u00f2n trong nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t hay gi\u00e1m s\u00e1t d\u00f2ng h\u01a1i n\u01b0\u1edbc trong nh\u00e0 m\u00e1y \u0111i\u1ec7n, thi\u1ebft b\u1ecb truy\u1ec1n d\u00f2ng ch\u1ea3y c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u00f3 kh\u0103n.<\/p>\n

\"alt-304\"<\/p>\n

B\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng c\u0169ng c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 r\u1ea5t linh ho\u1ea1t v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi c\u00e1c lo\u1ea1i ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed kh\u00e1c nhau. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng c\u00f3 \u0111\u1ed9 nh\u1edbt, m\u1eadt \u0111\u1ed9 v\u00e0 th\u00e0nh ph\u1ea7n kh\u00e1c nhau, c\u0169ng nh\u01b0 c\u00e1c lo\u1ea1i kh\u00ed c\u00f3 \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau. T\u00ednh linh ho\u1ea1t n\u00e0y l\u00e0m cho thi\u1ebft b\u1ecb truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p x\u1eed l\u00fd nhi\u1ec1u lo\u1ea1i ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed kh\u00e1c nhau trong quy tr\u00ecnh c\u1ee7a h\u1ecd.<\/p>\n

Ngo\u00e0i vi\u1ec7c cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady, thi\u1ebft b\u1ecb truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng c\u00f2n c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 d\u1ec5 l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y th\u01b0\u1eddng c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn v\u00e0 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n c\u00f3 m\u00e0 kh\u00f4ng c\u1ea7n s\u1eeda \u0111\u1ed5i nhi\u1ec1u. Sau khi l\u1eafp \u0111\u1eb7t, b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng y\u00eau c\u1ea7u b\u1ea3o tr\u00ec v\u00e0 hi\u1ec7u chu\u1ea9n \u1edf m\u1ee9c t\u1ed1i thi\u1ec3u, gi\u1ea3m th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh cho c\u00e1c c\u01a1 s\u1edf c\u00f4ng nghi\u1ec7p.<\/p>\n