{"id":1292,"date":"2018-03-28T09:26:17","date_gmt":"2018-03-28T02:26:17","guid":{"rendered":"http:\/\/icivn.com\/?p=1292"},"modified":"2018-03-28T09:26:17","modified_gmt":"2018-03-28T02:26:17","slug":"kiem-soat-luu-luong-khi-ozone-trong-he-thong-xu-ly-nuoc-thai","status":"publish","type":"post","link":"https:\/\/cargocontrol.com.vn\/?p=1292","title":{"rendered":"Ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng kh\u00ed Ozone trong h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i"},"content":{"rendered":"<p><span style=\"font-size: small;\">Nhi\u1ec1u nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc, th\u00e0nh ph\u1ed1 s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u00d4z\u00f4n \u0111\u1ec3 s\u1ea3n xu\u1ea5t n\u01b0\u1edbc s\u1ea1ch cho ng\u01b0\u1eddi d\u00f9ng l\u00e0 c\u00e1c h\u1ed9 d\u00e2n c\u01b0 v\u00e0 khu c\u00f4ng nghi\u1ec7p. Trong khi t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc \u0111\u1ec1u c\u00f3 nh\u1eefng l\u1ee3i th\u1ebf v\u00e0 b\u1ea5t l\u1ee3i c\u1ee7a h\u1ecd, h\u1ec7 th\u1ed1ng \u00d4z\u00f4n (O3) cung c\u1ea5p h\u1ec7 th\u1ed1ng kh\u1eed tr\u00f9ng tuy\u1ec7t v\u1eddi v\u00e0 tr\u00e1nh m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 v\u1ec1 s\u1ea3n ph\u1ea9m ph\u1ee5 h\u00f3a h\u1ecdc (byproduct) khi s\u1eed d\u1ee5ng clo.<\/span><\/p>\n<p><span style=\"font-size: small;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.hiendaihoa.com\/images\/stories\/07-2010\/luuluongke1_copy.gif\" alt=\"luuluongke1_copy\" width=\"300\" height=\"261\" \/><\/span><\/p>\n<p><span style=\"font-size: small;\">R\u1ea5t nhi\u1ec1u h\u1ec7 th\u1ed1ng n\u01b0\u1edbc sinh ho\u1ea1t c\u00f4ng c\u1ed9ng s\u1eed d\u1ee5ng \u00f4z\u00f4n \u0111\u1ec3 kh\u1eed vi khu\u1ea9n thay v\u00ec s\u1eed d\u1ee5ng clo. \u00d4z\u00f4n kh\u00f4ng t\u1ea1o th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 ch\u1ee9a clo, nh\u01b0ng ch\u00fang c\u0169ng kh\u00f4ng t\u1ed3n t\u1ea1i trong n\u01b0\u1edbc sau khi x\u1eed l\u00fd, v\u00ec th\u1ebf m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng cho th\u00eam m\u1ed9t ch\u00fat clo v\u00e0o \u0111\u1ec3 ng\u0103n c\u1ea3n s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a vi khu\u1ea9n trong \u0111\u01b0\u1eddng \u1ed1ng.<\/span><\/p>\n<p><span style=\"font-size: small;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.hiendaihoa.com\/images\/stories\/07-2010\/luuluongke2.gif\" alt=\"luuluongke2\" width=\"500\" height=\"223\" \/><\/span><\/p>\n<p><span style=\"font-size: small;\">H\u00ecnh 1 \u2013 H\u1ec7 th\u1ed1ng x\u1eed l\u00fd Ozone<\/span><\/p>\n<p><span style=\"font-size: small;\">\u00d4z\u00f4n l\u00e0 m\u1ed9t ph\u00e2n t\u1eed kh\u00f4ng \u1ed5n \u0111\u1ecbnh (unstable molecule) c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng chuy\u1ec3n \u0111\u1ed5i th\u00e0nh oxy. L\u00e0 m\u1ed9t ch\u1ea5t \u00f4xi h\u00f3a, n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t ch\u1ea5t kh\u1eed khu\u1ea9n m\u1ea1nh c\u00f3 th\u1ec3 kh\u1eed c\u00e1c vi sinh v\u1eadt nguy hi\u1ec3m trong ngu\u1ed3n cung c\u1ea5p n\u01b0\u1edbc th\u00f4 \u0111\u1ec3 x\u1eed l\u00fd nh\u1eb1m mang l\u1ea1i ngu\u1ed3n n\u01b0\u1edbc sinh ho\u1ea1t an to\u00e0n h\u01a1n cho ng\u01b0\u1eddi ti\u00eau d\u00f9ng.\u00a0<\/span><\/p>\n<p><span style=\"font-size: small;\">\u00d4z\u00f4n c\u00f3 t\u00ednh \u00f4xy h\u00f3a m\u1ea1nh h\u01a1n \u00f4xy, do c\u1ea5u tr\u00fac ph\u00e2n t\u1eed kh\u00f4ng b\u1ec1n, d\u1ec5 d\u00e0ng b\u1ecb ph\u00e2n hu\u1ef7 th\u00e0nh \u00f4xy ph\u00e2n t\u1eed v\u00e0 \u00f4xy nguy\u00ean t\u1eed.<br \/>\nO3= O2 + O<\/span><\/p>\n<p><span style=\"font-size: small;\"><strong>V\u1ea5n \u0111\u1ec1 \u0111\u1eb7t ra\u00a0<\/strong><\/p>\n<p>S\u1ea3n xu\u1ea5t \u00d4z\u00f4n l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1n k\u00e9m. V\u00ec v\u1eady, vi\u1ec7c \u0111o ki\u1ec3m kh\u00ed \u00d4z\u00f4n m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c (accurately) v\u00e0 tin c\u1eady (reliably) trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 \u00e1p d\u1ee5ng trong c\u00e1c nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 chi ph\u00ed \u0111\u1ea7u v\u00e0o. Th\u00f4ng th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh ph\u00e2n t\u00edch, v\u1eadn h\u00e0nh nh\u00e0 m\u00e1y hay h\u1ec7 th\u1ed1ng x\u1eed l\u00fd c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t theo t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m (percentage), hay theo th\u1ec3 t\u00edch (by volume) c\u1ee7a kh\u00ed \u00d4z\u00f4n trong oxy. Tuy nhi\u00ean, c\u00e1c k\u1ef9 s\u01b0, c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt v\u1eadn h\u00e0nh c\u0169ng c\u1ea7n ph\u1ea3i bi\u1ebft t\u1ed5ng l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y (total mass flow) c\u1ee7a kh\u00ed \u00d4z\u00f4n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a.\u00a0<\/span><\/p>\n<p><span style=\"font-size: small;\">Vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i l\u01b0\u1ee3ng kh\u00ed (gas mass flow meter) c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao cho m\u1ee5c\u00a0 \u0111\u00edch n\u00e0y,\u00a0 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh kh\u1eed khu\u1ea9n (disinfection) ho\u1ea1t\u00a0 \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n (more effectively) v\u00e0 kinh t\u1ebf h\u01a1n (more economically). Trong m\u1ed9t nh\u00e0 m\u00e1y \u0111i\u1ec3n h\u00ecnh, \u0111\u1ea7u ti\u00ean l\u00e0 kh\u00ed \u00d4z\u00f4n \u0111\u01b0\u1ee3c t\u1ea1o ra v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o qu\u00e1 tr\u00ecnh l\u1ecdc (filtration process) \u1edf ba \u0111i\u1ec3m kh\u00e1c nhau nh\u1eefng n\u01a1i m\u00e0 y\u00eau c\u1ea7u c\u1ea7n c\u00f3 m\u1ed9t \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng.\u00a0<\/span><\/p>\n<p><span style=\"font-size: small;\">\u00d4z\u00f4n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u01b0\u1edbc ti\u00ean \u0111\u1ec3 l\u00e0m k\u1ebft t\u1ee7a (coagulant prior) tr\u01b0\u1edbc khi v\u00e0o qu\u00e1 tr\u00ecnh l\u1ecdc s\u01a1 c\u1ea5p (primary filtration). Sau \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c b\u01a1m v\u00e0o v\u1edbi li\u1ec1u l\u01b0\u1ee3ng th\u1ea5p nh\u01b0 l\u00e0 ch\u1ea5t \u00f4xi h\u00f3a. Cu\u1ed1i c\u00f9ng, n\u00f3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u1edf li\u1ec1u cao nh\u01b0 l\u00e0 m\u1ed9t ch\u1ea5t kh\u1eed khu\u1ea9n \u0111\u1ec3 kh\u1eed c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m c\u00f3 trong n\u01b0\u1edbc ch\u1eb3ng h\u1ea1n nh\u01b0 thu\u1ed1c tr\u1eeb s\u00e2u (pesticides), s\u1eaft, asen, sulfua hi\u0111r\u00f4 (H2S), nitrit, v\u00e0 c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 ph\u1ee9c t\u1ea1p li\u00ean k\u1ebft v\u1edbi nhau t\u1ea1o ra &#8220;m\u00e0u&#8221; c\u1ee7a n\u01b0\u1edbc. T\u1ea1i ch\u00e2u \u00c2u, Li\u00ean minh ch\u00e2u \u00c2u (EC) c\u0169ng \u0111\u00e3 c\u00f3 ch\u1ec9 th\u1ecb \u0111\u00f2i h\u1ecfi vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t di\u1ec7t c\u1ecf (soluble herbicides) v\u00e0 thu\u1ed1c tr\u1eeb s\u00e2u h\u00f2a tan t\u1eeb n\u01b0\u1edbc u\u1ed1ng. \u00d4z\u00f4n l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p tuy\u1ec7t v\u1eddi \u0111\u1ec3 \u0111\u00e1p \u1ee9ng ch\u1ec9 th\u1ecb n\u00e0y.<\/span><\/p>\n<p><span style=\"font-size: small;\"><strong>Gi\u1ea3i ph\u00e1p\u00a0<\/strong><\/p>\n<p>T\u1ea1i m\u1ed7i \u0111i\u1ec3m trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc l\u1ea1i t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed7i t\u1ed1c \u0111\u1ed9 d\u00f2ng kh\u00ed \u00d4z\u00f4n kh\u00e1c nhau, do v\u1eady vi\u1ec7c \u0111o ki\u1ec3m ch\u00ednh x\u00e1c l\u01b0u l\u01b0\u1ee3ng n\u00e0y c\u1ee7a c\u00e1c \u0111\u1ed3ng h\u1ed3 \u0111o th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c, c\u1ed9ng v\u1edbi vi\u1ec7c m\u1ed9t h\u1ec7 th\u1ed1ng x\u1eed l\u00fd d\u00f9ng kh\u00ed \u00d4z\u00f4n \u0111i\u1ec3n h\u00ecnh th\u01b0\u1eddng c\u00f3 d\u00f2ng kh\u00ed qu\u00e1 tr\u00ecnh l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p (combination) c\u1ee7a kh\u00ed Oxy v\u00e0 kh\u00ed \u00d4z\u00f4n v\u1edbi t\u1ef7 l\u1ec7 t\u01b0\u01a1ng \u1ee9ng l\u00e0 98{6381a78daa30e1c81bf63403ab989c01ef860fe874ccb734762c5c90b16a043c} v\u00e0 2{6381a78daa30e1c81bf63403ab989c01ef860fe874ccb734762c5c90b16a043c}. Trong khi c\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i \u0111\u1ed3ng h\u1ed3 kh\u00e1c nhau v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 \u0111o l\u01b0\u1eddng kh\u00e1c nhau, th\u00ec s\u1ef1 c\u1ea7n thi\u1ebft ph\u1ea3i \u0111o l\u01b0\u1eddng tr\u1ef1c ti\u1ebfp l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i l\u01b0\u1ee3ng (Direct mass flow measurement) s\u1ebd thu h\u1eb9p \u0111\u00e1ng k\u1ec3 c\u00e1c l\u1ef1a ch\u1ecdn n\u00e0y. C\u00f4ng ngh\u1ec7 ph\u00e2n t\u00e1n nhi\u1ec7t (Thermal Dispersion Technology) theo nguy\u00ean l\u00fd \u0111\u1eb3ng d\u00f2ng l\u00e0 m\u1ed9t s\u1ef1 l\u1ef1a ch\u1ecdn ho\u00e0n h\u1ea3o cho c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y.\u00a0<\/span><\/p>\n<p><span style=\"font-size: small;\">C\u00e1c \u0111\u1ed3ng h\u1ed3 theo C\u00f4ng ngh\u1ec7 ph\u00e2n t\u00e1n nhi\u1ec7t (Thermal Dispersion technology) th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3cl \u1ef1a ch\u1ecdn cho h\u1ec7 th\u1ed1ng x\u1eed l\u00fd Ozone (H\u00ecnh 1) v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i trong c\u00e1c nh\u00e0 m\u00e1y kh\u00e1c v\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb n\u00e0y, v\u1edbi d\u1ea3i\u00a0 turndown\u00a0 r\u1ed9ng l\u00ean \u0111\u1ebfn 100:1, s\u1ef1 s\u1ee5t \u00e1p r\u1ea5t nh\u1ecf, kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng (no-moving parts design), y\u00eau c\u1ea7u v\u1ec1 b\u1ea3o tr\u00ec th\u1ea5p, l\u1eafp \u0111\u1eb7t r\u1ea5t d\u1ec5 d\u00e0ng (do s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u0111o c\u1eafm tr\u1ef1c ti\u1ebfp tr\u00ean \u0111\u01b0\u1eddng \u1ed1ng) do \u0111\u00f3 gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a chi ph\u00ed cho vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec.<\/span><\/p>\n<p><span style=\"font-size: small;\">H\u00e3ng FCI (Fluid Components International LLC)\u00a0c\u00f3 tr\u1ee5 s\u1edf ch\u00ednh t\u1ea1i San Marcos &#8211; California &#8211; USA, v\u1edbi vi\u1ec7c s\u1edf h\u1eefu \u0111\u1ed9c quy\u1ec1n c\u00f4ng ngh\u1ec7 r\u1ea5t hi\u1ec7n \u0111\u1ea1i hi\u1ec7n nay &#8211; c\u00f4ng ngh\u1ec7 ph\u00e2n t\u00e1n nhi\u1ec7t theo nguy\u00ean l\u00fd \u0111\u1eb3ng d\u00f2ng (Thermal Dispersion Technology) \u0111\u00e3 \u0111\u00e1p \u1ee9ng t\u1ed1t c\u00e1c y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf \u0111\u00f2i h\u1ecfi trong c\u00f4ng nghi\u1ec7p x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i n\u00f3i ri\u00eang c\u0169ng nh\u01b0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p tr\u1ecdng \u0111i\u1ec3m n\u00f3i chung.<\/span><\/p>\n<p><span style=\"font-size: small;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.hiendaihoa.com\/images\/stories\/07-2010\/fci.gif\" alt=\"fci\" width=\"481\" height=\"88\" \/><\/span><\/p>\n<p><span style=\"font-size: small;\">\u0110\u01b0\u1ee3c th\u00e0nh l\u1eadp t\u1eeb n\u0103m 1964, H\u00e3ng Fluid Components International (FCI) v\u1edbi h\u01a1n 45 n\u0103m kinh nghi\u1ec7m v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m truy\u1ec1n th\u1ed1ng nh\u01b0 \u0111o m\u1ee9c v\u00e0 l\u01b0u l\u01b0\u1ee3ng thu\u1ed9c th\u1ebf m\u1ea1nh c\u1ee7a m\u00ecnh (chi\u1ebfm t\u1edbi 70{6381a78daa30e1c81bf63403ab989c01ef860fe874ccb734762c5c90b16a043c} th\u1ecb ph\u1ea7n \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u00ed tr\u00ean to\u00e0n Th\u1ebf gi\u1edbi)<\/span><\/p>\n<p><span style=\"font-size: small;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.hiendaihoa.com\/images\/stories\/07-2010\/luuluongke3.gif\" alt=\"luuluongke3\" width=\"503\" height=\"335\" \/><\/span><\/p>\n<p><span style=\"font-size: small;\">Tr\u00ean H\u00ecnh 2 l\u00e0 m\u1ed9t lo\u1ea1i \u0111\u1ed3ng h\u1ed3 theo c\u00f4ng ngh\u1ec7 ph\u00e2n t\u00e1n nhi\u1ec7t (ST98 FlexMASSter), v\u1edbi hai \u0111\u1ea7u \u0111o \u0111\u01b0\u1ee3c c\u1eafm tr\u1ef1c ti\u1ebfp tr\u00ean \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed \u00d4z\u00f4n v\u00e0 c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb tr\u1ef1c ti\u1ebfp l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i l\u01b0\u1ee3ng kh\u00ed \u00d4z\u00f4n t\u1ee9c th\u1eddi v\u00e0 t\u00edch l\u0169y b\u1edfi m\u00e0n h\u00ecnh LCD (transmitter t\u00edch h\u1ee3p hi\u1ec3n th\u1ecb t\u1ea1i ch\u1ed7) \u0110\u01b0\u1ee3c c\u00e1c chuy\u00ean gia c\u1ee7a FCI hi\u1ec7u ch\u1ec9nh (Calibration) s\u1eb5n \u1edf H\u00e3ng v\u1edbi m\u00f4i tr\u01b0\u1eddng, \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf theo y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng n\u00ean ST98 FlexMASSter \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c r\u1ea5t cao v\u00e0 kh\u00f4ng m\u1ea5t th\u1eddi gian trong vi\u1ec7c l\u1eafp \u0111\u1eb7t, hi\u1ec7u ch\u1ec9nh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng. ST98 FlexMASSter c\u00f3 c\u00e1c t\u00ednh n\u0103ng c\u1ee7a n\u1ed5i b\u1eadt nh\u01b0: \u00a0<\/span><\/p>\n<ul>\n<li><span style=\"font-size: small;\">D\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t, b\u1ea3o d\u01b0\u1ee1ng. C\u00f3 lo\u1ea1i In-line v\u00e0 lo\u1ea1i Insertion. \u00a0<\/span><\/li>\n<li><span style=\"font-size: small;\">C\u00f3 th\u1ec3 \u0111o v\u00e0 hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh c\u1ea3 l\u01b0u l\u01b0\u1ee3ng v\u00e0 nhi\u1ec7t \u0111\u1ed9. \u00a0<\/span><\/li>\n<li><span style=\"font-size: small;\">\u0110\u01b0\u1eddng k\u00ednh \u1ed1ng t\u1eeb: 25-1066 mm. \u00a0<\/span><\/li>\n<li><span style=\"font-size: small;\">D\u1ea3i \u0111o l\u01b0u l\u01b0\u1ee3ng r\u1ed9ng: 0.21 ~ 172 m\/gi\u00e2y. (cho kh\u00ed t\u1ea1i \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n 70\u00ba F v\u00e0 14.7 psia [0\u00baC v\u00e0 1013,25 mBar(a)].) \u00a0<\/span><\/li>\n<li><span style=\"font-size: small;\">\u00c1p su\u1ea5t t\u1ed1i \u0111a : 250 psig (17 bar g).<\/span><\/li>\n<li><span style=\"font-size: small;\">D\u1ea3i nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00f4i ch\u1ea5t : -45 \u0111\u1ebfn 45\u00baC. \u00a0<\/span><\/li>\n<li><span style=\"font-size: small;\">\u0110\u1ed9 ch\u00ednh x\u00e1c cao (Accuracy): 0,5 v\u00e0 1{6381a78daa30e1c81bf63403ab989c01ef860fe874ccb734762c5c90b16a043c} gi\u00e1 tr\u1ecb \u0111\u1ecdc. \u00a0<\/span><\/li>\n<li><span style=\"font-size: small;\">\u0110\u1ed9 l\u1eb7p \u0111\u1ecdc (Repeatability): L\u01b0u l\u01b0\u1ee3ng: \u00b1 0.5{6381a78daa30e1c81bf63403ab989c01ef860fe874ccb734762c5c90b16a043c} gi\u00e1 tr\u1ecb \u0111\u1ecdc<\/span><\/li>\n<li><span style=\"font-size: small;\">\u0110\u1ea7u ra 4-20mA, 0-10VDC, RS232, HART, PROFIBUS DP\/PA. \u00a0<\/span><\/li>\n<li><span style=\"font-size: small;\">\u0110\u1ea1t c\u00e1c ti\u00eau chu\u1ea9n, ch\u1ee9ng ch\u1ec9 nh\u01b0: IP 67, NEMA 4X, FM, CSA, CE, CPA.v.v. \u00a0<\/span><\/li>\n<li><span style=\"font-size: small;\">B\u00f9 Nhi\u1ec7t \u0111\u1ed9 (Temperature compesation): Chu\u1ea9n: \u00b1 30\u00ba F [\u00b1 -1\u00ba C]; L\u1ef1a ch\u1ecdn: \u00b1 100\u00ba F [\u00b1 38\u00ba C]<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: small;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u1ea5u h\u00ecnh k\u1ef9 thu\u1eadt c\u1ee7a ST98 FlexMASSter: \u00a0<\/span><\/p>\n<p><span style=\"font-size: small;\"><strong>Flow Element<\/strong><\/span><\/p>\n<ul>\n<li><span style=\"font-size: small;\">V\u1eadt li\u1ec7u k\u1ebft c\u1ea5u: Th\u00e2n b\u1eb1ng th\u00e9p kh\u00f4ng r\u1ec9 316L ho\u1eb7c Hastelloy C cho t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n ti\u1ebfp x\u00fac m\u00f4i ch\u1ea5t.<\/span><\/li>\n<li><span style=\"font-size: small;\">K\u1ebft n\u1ed1i:<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: small;\">Standard: 0.75 \u0111\u1ebfn 1 inch male NPT stainless steel compression fitting v\u1edbi ferrule b\u1eb1ng teflon ch\u1ecbu \u00e1p su\u1ea5t 10 bar (g) t\u1ea1i 93\u00baC,\u00a0 ho\u1eb7c ferrule b\u1eb1ng kim lo\u1ea1i ch\u1ecbu \u00e1p su\u1ea5t l\u00ean t\u1edbi 17 bar (g) t\u1ea1i 177\u00baC.<\/span><\/p>\n<p><span style=\"font-size: small;\">L\u1ef1a ch\u1ecdn: Thread-on ANSI or DIN flanges, or retractable sensing element.<\/span><\/p>\n<p><span style=\"font-size: small;\">Chi\u1ec1u d\u00e0i c\u1eafm v\u00e0o \u1ed1ng (c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng)<br \/>\n1 \u0111\u1ebfn 6 inches [25 \u0111\u1ebfn 152 mm]\n1 \u0111\u1ebfn 12 inches [25 \u0111\u1ebfn 305 mm]\n1 \u0111\u1ebfn 18 inches [25 \u0111\u1ebfn 457 mm]<\/span><\/p>\n<ul>\n<li><span style=\"font-size: small;\">Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c (Process):<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: small;\">Chu\u1ea9n:\u00a0 -40\u00ba to +350\u00ba F [-40\u00ba to +177\u00ba C]\nL\u1ef1a ch\u1ecdn nhi\u1ec7t \u0111\u1ed9 cao: -100\u00ba to +500\u00ba F [-73\u00ba to +260\u00ba C];<br \/>\nL\u1ef1a ch\u1ecdn nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao: -100\u00ba to +850\u00ba F [-73\u00ba to +454\u00ba C]; \u00a0<\/span><\/p>\n<ul>\n<li><span style=\"font-size: small;\">\u00c1p su\u1ea5t l\u00e0m vi\u1ec7c: t\u1edbi 250 psig [17 bar(g)]; de-rated with Teflon ferrule.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: small;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.hiendaihoa.com\/images\/stories\/07-2010\/luuluongke4.gif\" alt=\"luuluongke4\" width=\"500\" height=\"259\" \/><\/span><\/p>\n<p><span style=\"font-size: small;\"><strong><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.hiendaihoa.com\/images\/stories\/07-2010\/luuluongke5_copy.gif\" alt=\"luuluongke5_copy\" width=\"300\" height=\"141\" \/>Flow Transmitter<br \/>\n<\/strong><\/span><\/p>\n<p><span style=\"font-size: small;\"><br \/>\n\u2022\u00a0 Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c: 0\u00ba \u0111\u1ebfn 140\u00ba F [-18\u00ba \u0111\u1ebfn +60\u00ba C]\n\u2022\u00a0 Ngu\u1ed3n v\u00e0o (Field Selectable): 85 to 265 Vac, 22 to 30 Vdc; 7 watts max; 230mA max.<br \/>\n\u2022\u00a0 T\u00edn hi\u1ec7u \u0111\u1ea7u ra:<br \/>\n\u0110\u1ea7u ra t\u01b0\u01a1ng t\u1ef1: 4 \u0111\u1ebfn 20 mA, 1-5Vdc, 0-5Vdc, ho\u1eb7c 0-10Vdc.<br \/>\nC\u1ed5ng truy\u1ec1n th\u00f4ng:<br \/>\nChu\u1ea9n truy\u1ec1n th\u00f4ng RS-232C I\/O n\u1ed1i ti\u1ebfp<br \/>\nL\u1ef1a ch\u1ecdn: HART, full two-way; Profibus, DP\/PA, profile 3, certification #Z01212<br \/>\n\u2022\u00a0 Hi\u1ec3n th\u1ecb s\u1ed1: m\u00e0n h\u00ecnh LCD, 2 d\u00f2ng\/ 16 k\u00fd t\u1ef1 m\u1ed7i d\u00f2ng, hi\u1ec3n th\u1ecb l\u01b0u l\u01b0\u1ee3ng t\u1ee9c th\u1eddi v\u00e0 l\u01b0u l\u01b0\u1ee3ng t\u1ed5ng.<br \/>\n\u2022\u00a0 T\u00f9y ch\u1ecdn \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa: Transmitter c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp t\u1ea1i v\u1ecb tr\u00ed c\u00e1ch \u0111\u1ea7u \u0111o l\u00ean t\u1edbi 1000 ft. [350 m]<\/span><\/p>\n<p><span style=\"font-size: small;\">C\u00f4ng ngh\u1ec7 ph\u00e2n t\u00e1n nhi\u1ec7t l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 \u0111\u1ec3 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i l\u01b0\u1ee3ng, c\u00f3 th\u1ec3 \u0111o l\u01b0u l\u01b0\u1ee3ng trong nh\u1eefng \u0111\u01b0\u1eddng \u1ed1ng nh\u1ecf (1\u2033, 1 1\/2\u2033 v\u00e0 2\u2033 [DN25,DN40, v\u00e0 DN50]), \u0111\u01b0\u1eddng \u1ed1ng l\u1edbn (2 1\/2\u2033 \u0111\u1ebfn 42\u2033 [64 \u0111\u1ebfn 1066 mm]), ho\u1eb7c d\u00f9ng cho \u1ed1ng kh\u00f3i th\u1ea3i c\u00e1c nh\u00e0 m\u00e1y.<\/span><\/p>\n<p><span style=\"font-size: small;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.hiendaihoa.com\/images\/stories\/07-2010\/luuluongke6.gif\" alt=\"luuluongke6\" width=\"500\" height=\"226\" \/><\/span><\/p>\n<p><span style=\"font-size: small;\">C\u00f4ng ngh\u1ec7 ph\u00e2n t\u00e1n nhi\u1ec7t s\u1eed d\u1ee5ng 2 \u0111\u1ea7u \u0111o nhi\u1ec7t trong \u0111\u00f3 m\u1ed9t \u0111\u1ea7u g\u1ecdi l\u00e0 \u0111\u1ea7u \u0111o ch\u1ee7 \u0111\u1ed9ng s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ed1t n\u00f3ng li\u00ean t\u1ee5c c\u00f2n m\u1ed9t \u0111\u1ea7u g\u1ecdi l\u00e0 \u0111\u1ea7u \u0111o tham chi\u1ebfu s\u1ebd \u0111o nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u00f4i ch\u1ea5t ch\u1ea3y qua. S\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9\u00a0 \u0394 T c\u1ee7a hai \u0111\u1ea7u \u0111o s\u1ebd l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 t\u00ednh to\u00e1n ra t\u1ed1c \u0111\u1ed9 v\u00e0\u00a0 l\u01b0u l\u01b0\u1ee3ng d\u00f2ng kh\u00ed ch\u1ea3y qua.<\/span><\/p>\n<p><span style=\"font-size: small;\">K\u1ebft lu\u1eadn<\/p>\n<p>Trong m\u1ed9t h\u1ec7 th\u1ed1ng x\u1eed l\u00fd Ozone \u0111i\u1ec3n h\u00ecnh, m\u1ed9t \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng theo c\u00f4ng ngh\u1ec7 ph\u00e2n t\u00e1n nhi\u1ec7t s\u1ebd \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t tr\u00ean m\u1ed7i m\u00e1y t\u1ea1o Ozone \u0111\u1ec3 t\u00ednh t\u1ed5ng l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y (tota mass flow) c\u1ee7a kh\u00ed Ozone \u0111\u01b0\u1ee3c t\u1ea1o ra v\u00e0 sau \u0111\u00f3 theo c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn \u0111\u1ebfn c\u00e1c khu v\u1ef1c x\u1eed l\u00fd kh\u00e1c nhau. C\u00e1c \u0111\u1ed3ng h\u1ed3 n\u00e0y sau \u0111\u00f3 c\u0169ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i m\u1ed7i v\u1ecb tr\u00ed x\u1eed l\u00fd kh\u00e1c nhau trong h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, m\u00e0 trong v\u00ed d\u1ee5 c\u1ee7a ch\u00fang t\u00f4i \u1edf tr\u00ean l\u00e0 nh\u00e0 m\u00e1y v\u1edbi h\u1ec7 th\u1ed1ng x\u1eed l\u00fd bao g\u1ed3m kh\u00e2u l\u00e0m k\u1ebft t\u1ee7a c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m tr\u01b0\u1edbc khi v\u00e0o l\u1ecdc, c\u00e1c kh\u00ed n\u00e0y s\u1ebd kh\u1eed to\u00e0n b\u1ed9 c\u00e1c ch\u1ea5t \u0111\u1ed9c, ch\u1ea5t \u00f4 nhi\u1ec3m c\u00f3 h\u1ea1i cho s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi nh\u1eb1m mang l\u1ea1i m\u1ed9t ngu\u1ed3n n\u01b0\u1edbc s\u1ea1ch h\u01a1n, an to\u00e0n h\u01a1n v\u00e0 th\u00e2n thi\u1ec7n<br \/>\nh\u01a1n v\u1edbi m\u00f4i tr\u01b0\u1eddng. \u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nhi\u1ec1u nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc, th\u00e0nh ph\u1ed1 s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u00d4z\u00f4n \u0111\u1ec3 s\u1ea3n xu\u1ea5t n\u01b0\u1edbc s\u1ea1ch cho ng\u01b0\u1eddi d\u00f9ng l\u00e0 c\u00e1c h\u1ed9 d\u00e2n c\u01b0 v\u00e0 khu c\u00f4ng nghi\u1ec7p. Trong khi t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc \u0111\u1ec1u c\u00f3 nh\u1eefng l\u1ee3i th\u1ebf v\u00e0 b\u1ea5t l\u1ee3i c\u1ee7a h\u1ecd, h\u1ec7 th\u1ed1ng [&hellip;]\n","protected":false},"author":5,"featured_media":1293,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[65],"tags":[],"class_list":["post-1292","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tu-van"],"_links":{"self":[{"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/1292"}],"collection":[{"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1292"}],"version-history":[{"count":1,"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/1292\/revisions"}],"predecessor-version":[{"id":1294,"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/1292\/revisions\/1294"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=\/wp\/v2\/media\/1293"}],"wp:attachment":[{"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}