{"id":3654,"date":"2026-01-19T14:20:47","date_gmt":"2026-01-19T14:20:47","guid":{"rendered":"https:\/\/nbaem.com\/?p=3654"},"modified":"2026-06-27T12:43:49","modified_gmt":"2026-06-27T12:43:49","slug":"what-is-a-magnetic-grid","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/what-is-a-magnetic-grid\/","title":{"rendered":"Grid t\u1eeb l\u00e0 g\u00ec H\u01b0\u1edbng d\u1eabn nam ch\u00e2m c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1ed9 b\u1ec1n cao"},"content":{"rendered":"<p>C\u00f3 th\u1ec3 b\u1ea1n \u0111\u00e3 bi\u1ebft r\u1eb1ng <strong>\u00f4 nhi\u1ec5m s\u1eaft (ferrous)<\/strong> l\u00e0 k\u1ebb th\u00f9 \u00e2m th\u1ea7m c\u1ee7a hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n<p>Nh\u01b0ng b\u1ea1n c\u00f3 bi\u1ebft ch\u00ednh x\u00e1c c\u00e1ch ng\u0103n ch\u1eb7n n\u00f3 tr\u01b0\u1edbc khi n\u00f3 ti\u1ebfp c\u1eadn m\u00e1y m\u00f3c \u0111\u1eaft ti\u1ec1n c\u1ee7a b\u1ea1n kh\u00f4ng?<\/p>\n<p>Nh\u1eadp <strong>l\u01b0\u1edbi t\u1eeb<\/strong>.<\/p>\n<p>c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <strong>nam ch\u00e2m ph\u1ec5u<\/strong> ho\u1eb7c nam ch\u00e2m r\u00e1, b\u1ed9 l\u1eafp gh\u00e9p \u0111\u01a1n gi\u1ea3n m\u00e0 m\u1ea1nh m\u1ebd n\u00e0y l\u00e0 h\u00e0ng r\u00e0o \u0111\u1ea7u ti\u00ean trong <strong>l\u1ecdc c\u00f4ng nghi\u1ec7p<\/strong>.<\/p>\n<p>L\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t, t\u00f4i bi\u1ebft kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c l\u01b0\u1edbi \u0111\u1ec1u nh\u01b0 nhau. S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa nam ch\u00e2m ti\u00eau chu\u1ea9n v\u00e0 m\u1ed9t <a href=\"https:\/\/nbaem.com\/vi\/products\/magnetic-separator\/\" target=\"_blank\" rel=\"noopener\"><strong>b\u1ed9 ph\u00e2n t\u00e1ch t\u1eeb<\/strong> <\/a>\u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t chu tr\u00ecnh s\u1ea1ch v\u00e0 m\u1ed9t thu h\u1ed3i t\u1ed1n k\u00e9m.<\/p>\n<p>Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n s\u1ebd bi\u1ebft ch\u00ednh x\u00e1c nam l\u00e0 g\u00ec, m\u1ea1ch t\u1eeb b\u00ean trong <strong>m\u1ea1ch t\u1eeb b\u00ean trong<\/strong> ho\u1ea1t \u0111\u1ed9ng, v\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn \u0111\u00fang <strong>x\u1ebfp h\u1ea1ng Gauss<\/strong> cho \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.<\/p>\n<p>H\u00e3y \u0111i th\u1eb3ng v\u00e0o v\u1ea5n \u0111\u1ec1.<\/p>\n<div class=\"mceTemp\"><\/div>\n<div id=\"attachment_3658\" style=\"width: 700px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-3658\" class=\"wp-image-3658\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2026\/01\/Magnet-grid-1024x981.jpg\" alt=\"L\u01b0\u1edbi t\u1eeb t\u00ednh\" width=\"690\" height=\"661\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2026\/01\/Magnet-grid-13x12.jpg 13w, https:\/\/nbaem.com\/wp-content\/uploads\/2026\/01\/Magnet-grid-200x192.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2026\/01\/Magnet-grid-300x287.jpg 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2026\/01\/Magnet-grid-400x383.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2026\/01\/Magnet-grid-600x575.jpg 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2026\/01\/Magnet-grid-768x736.jpg 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2026\/01\/Magnet-grid-800x766.jpg 800w, https:\/\/nbaem.com\/wp-content\/uploads\/2026\/01\/Magnet-grid-1024x981.jpg 1024w, https:\/\/nbaem.com\/wp-content\/uploads\/2026\/01\/Magnet-grid-1200x1150.jpg 1200w, https:\/\/nbaem.com\/wp-content\/uploads\/2026\/01\/Magnet-grid.jpg 1476w\" sizes=\"(max-width: 690px) 100vw, 690px\" \/><p id=\"caption-attachment-3658\" class=\"wp-caption-text\">L\u01b0\u1edbi t\u1eeb t\u00ednh<\/p><\/div>\n<h2>Gi\u1ea3i ph\u1eabu c\u1ee7a L\u01b0\u1edbi t\u1eeb v\u00e0 Khung: C\u00e1ch n\u00f3 ho\u1ea1t \u0111\u1ed9ng<\/h2>\n<p>Khi ch\u00fang ta thi\u1ebft k\u1ebf m\u1ed9t <strong>l\u01b0\u1edbi t\u1eeb<\/strong> (th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t <strong>nam ch\u00e2m grate<\/strong> or <strong>nam ch\u00e2m ph\u1ec5u<\/strong>), m\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a ch\u00fang ta l\u00e0 t\u1ea1o ra m\u1ed9t h\u00e0ng ph\u00f2ng th\u1ee7 kh\u00f4ng th\u1ec3 xuy\u00ean th\u1ee7ng ch\u1ed1ng \u00f4 nhi\u1ec5m. Ban \u0111\u1ea7u n\u00f3 c\u00f3 v\u1ebb nh\u01b0 m\u1ed9t khung \u1ed1ng \u0111\u01a1n gi\u1ea3n, nh\u01b0ng k\u1ef9 thu\u1eadt b\u00ean trong m\u1edbi l\u00e0 \u0111i\u1ec1u ph\u00e2n bi\u1ec7t m\u1ed9t b\u1ed9 l\u1ecdc ti\u00eau chu\u1ea9n v\u1edbi m\u1ed9t hi\u1ec7u su\u1ea5t cao <strong>b\u1ed9 ph\u00e2n t\u00e1ch t\u1eeb<\/strong>. Ch\u00fang t\u00f4i thi\u1ebft k\u1ebf c\u00e1c l\u01b0\u1edbi n\u00e0y \u0111\u1ec3 \u0111\u1eb7t ngay trong d\u00f2ng s\u1ea3n ph\u1ea9m\u2014cho d\u00f9 b\u00ean trong m\u1ed9t th\u00f9ng ch\u1ee9a, m\u1ed9t \u1ed1ng h\u1ee9ng, hay m\u1ed9t l\u1ed7 tr\u00ean s\u00e0n\u2014bu\u1ed9c v\u1eadt li\u1ec7u ph\u1ea3i \u0111i qua m\u1ed9t tr\u01b0\u1eddng t\u1eeb gi\u00e0u m\u1ea1nh.<\/p>\n<h3>V\u1eadt li\u1ec7u ch\u1ebf t\u1ea1o v\u00e0 v\u1ecf<\/h3>\n<p>\u0110\u1ed9 b\u1ec1n v\u00e0 v\u1ec7 sinh l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 b\u00e0n c\u00e3i trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn c\u00f4ng nghi\u1ec7p. \u0110\u00f3 l\u00e0 l\u00fd do ch\u00fang t\u00f4i ch\u1ebf t\u1ea1o c\u00e1c l\u01b0\u1edbi b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0ng \u0111\u1ea7u <strong>304 ho\u1eb7c 316L<\/strong> \u1ed1ng. Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u01a1n v\u1ecb v\u1eabn ch\u1ed1ng n\u01b0\u1edbc, ngay c\u1ea3 trong m\u00f4i tr\u01b0\u1eddng ch\u1ea5t l\u1ecfng kh\u1eafc nghi\u1ec7t.<\/p>\n<ul>\n<li><strong>Ho\u00e0n thi\u1ec7n v\u1ec7 sinh:<\/strong> Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng h\u00e0n laser ch\u00ednh x\u00e1c v\u00e0 m\u00e0i b\u00f3ng tinh x\u1ea3o \u0111\u1ec3 t\u1ea1o b\u1ec1 m\u1eb7t li\u1ec1n m\u1ea1ch. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf nh\u1eefng v\u1ebft n\u1ee9t n\u01a1i vi khu\u1ea9n c\u00f3 th\u1ec3 \u1ea9n n\u00e1u, l\u00e0m cho c\u00e1c l\u01b0\u1edbi ho\u00e0n to\u00e0n tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n d\u00f9ng cho th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m.<\/li>\n<li><strong>Khung l\u00e0m vi\u1ec7c \u0111\u00e1ng tin c\u1eady:<\/strong> V\u1ecf b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 b\u1ea3o v\u1ec7 l\u00f5i t\u1eeb m\u1ec1m b\u00ean trong kh\u1ecfi va \u0111\u1eadp v\u1eadt l\u00fd v\u00e0 m\u00e0i m\u1ecdt do d\u00f2ng v\u1eadt li\u1ec7u m\u00e0i m\u00f2n g\u00e2y ra.<\/li>\n<\/ul>\n<h3>Thi\u1ebft k\u1ebf m\u1ea1ch t\u1eeb b\u00ean trong<\/h3>\n<p>S\u1ee9c m\u1ea1nh th\u1ef1c s\u1ef1 c\u1ee7a m\u1ed9t <strong>l stainless steel magnetic filter\n\nNote: The input seems to have a stray \"l\" at the start. The translation of \"stainless steel magnetic filter\" to Vietnamese is \"l\u1ecdc t\u1eeb t\u00ednh b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9\".<\/strong> n\u1eb1m b\u00ean trong c\u00e1c \u1ed1ng. Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng hi\u1ec7u su\u1ea5t cao <a href=\"https:\/\/nbaem.com\/vi\/products\/neodymium-magnet\/\" target=\"_blank\" rel=\"noopener\"><strong>\u0110\u1ea5t hi\u1ebfm Neodymium (NdFeB)<\/strong><\/a> nam ch\u00e2m \u0111\u1ec3 sinh ra m\u1ed9t m\u1ea1ch t\u1eeb m\u1ea1nh. Kh\u00f4ng gi\u1ed1ng v\u1edbi c\u00e1c m\u00f4 h\u00ecnh ferrite c\u0169, c\u00e1c m\u1ea1ch hi\u1ec7n \u0111\u1ea1i n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1eadp trung m\u1eadt \u0111\u1ed9 t\u1eeb th\u00f4ng t\u1eeb tr\u1ef1c ti\u1ebfp l\u00ean b\u1ec1 m\u1eb7t \u1ed1ng th\u1ee7y tinh.<\/p>\n<ul>\n<li><strong>M\u1eadt \u0111\u1ed9 Gauss cao:<\/strong> C\u00e1c thi\u1ebft k\u1ebf m\u1ea1ch ti\u00ean ti\u1ebfn c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u01b0\u1eddng \u0111\u1ed9 tr\u01b0\u1eddng b\u1ec1 m\u1eb7t l\u00ean t\u1edbi <strong>12.000 Gauss (1,2 Tesla)<\/strong>.<\/li>\n<li><strong>T\u1ed1i \u01b0u h\u00f3a kho\u1ea3ng c\u00e1ch<\/strong> C\u00e1c nam ch\u00e2m \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 \u201c\u0111i\u1ec3m ch\u1ebft\u201d d\u1ecdc theo chi\u1ec1u d\u00e0i c\u1ee7a thanh, \u0111\u1ea3m b\u1ea3o l\u1ef1c gi\u1eef \u1ed5n \u0111\u1ecbnh.<\/li>\n<\/ul>\n<h3>C\u01a1 ch\u1ebf B\u1eaft Tr\u1eef Kim Lo\u1ea1i D\u01b0\u1edbng<\/h3>\n<p>Nguy\u00ean l\u00fd v\u1eadn h\u00e0nh r\u1ea5t \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3 cao. Khi h\u00e0ng kh\u00f4 ho\u1eb7c ch\u1ea5t l\u1ecfng ch\u1ea3y t\u1ef1 do qua l\u01b0\u1edbi, v\u1eadt li\u1ec7u bu\u1ed9c ph\u1ea3i n\u00e9 tr\u00e1nh c\u00e1c thanh song song. S\u1ef1 x\u00e1o tr\u1ed9n v\u1eadt l\u00fd n\u00e0y l\u00e0m ch\u1eadm l\u01b0u l\u01b0\u1ee3ng m\u1ed9t ch\u00fat, cho ph\u00e9p <strong>nam ch\u00e2m 12.000 Gauss<\/strong> tr\u1ee5 t\u1eeb x\u00e2m nh\u1eadp v\u00e0o d\u00f2ng s\u1ea3n ph\u1ea9m.<\/p>\n<ul>\n<li><strong>Lo\u1ea1i b\u1ecf Nhi\u1ec5m khu\u1ea9n S\u1eaft:<\/strong> \u5e03 S\u1eaft, v\u1ee5n v\u00e0 c\u00e1c m\u1ea3nh th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0m vi\u1ec7c c\u1ee9ng c\u00e1p \u0111\u01b0\u1ee3c h\u00fat ngay v\u00e0o \u1ed1ng<\/li>\n<li><strong>Gi\u1eef Ch\u1eafc Ch\u1eafn:<\/strong> Khi <strong>kim lo\u1ea1i d\u01b0\u1edbng<\/strong> va v\u00e0o b\u1ec1 m\u1eb7t \u1ed1ng, tr\u01b0\u1eddng t\u1eeb c\u00f3 gradient cao gi\u1eef n\u00f3 ch\u1eb7t ch\u1ebd t\u1ea1i ch\u1ed7 tr\u01b0\u1edbc khi l\u01b0\u1edbi \u0111\u01b0\u1ee3c th\u00e1o ra \u0111\u1ec3 l\u00e0m s\u1ea1ch. \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n \u201cr\u1eeda s\u1ea1ch\u201d, n\u01a1i kim lo\u1ea1i b\u1ecb b\u1eaft s\u1ebd b\u1ecb \u0111\u1ea9y tr\u1edf l\u1ea1i d\u00f2ng s\u1ea3n ph\u1ea9m.<\/li>\n<\/ul>\n<h2>L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u: Neodymium so v\u1edbi. <a href=\"https:\/\/nbaem.com\/vi\/products\/ceramic-magnet\/\" target=\"_blank\" rel=\"noopener\">Nam ch\u00e2m ferrite<\/a><\/h2>\n<p>Ch\u1ecdn \u0111\u00fang v\u1eadt li\u1ec7u l\u00f5i l\u00e0 quy\u1ebft \u0111\u1ecbnh quan tr\u1ecdng nh\u1ea5t khi c\u1ea5u h\u00ecnh m\u1ed9t <strong>b\u1ed9 ph\u00e2n t\u00e1ch t\u1eeb<\/strong>. Hi\u1ec7u qu\u1ea3 c\u1ee7a l\u01b0\u1edbi ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o s\u1ee9c m\u1ea1nh v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a nam ch\u00e2m \u0111\u01b0\u1ee3c ni\u00eam phong b\u00ean trong c\u00e1c \u1ed1ng th\u00e9p kh\u00f4ng g\u1ec9. Th\u00f4ng th\u01b0\u1eddng ch\u00fang t\u00f4i cung c\u1ea5p hai t\u00f9y ch\u1ecdn ch\u00ednh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi m\u1ee9c \u0111\u1ed9 l\u1ecdc kh\u00e1c nhau v\u00e0 y\u00eau c\u1ea7u ng\u00e2n s\u00e1ch.<\/p>\n<h3>Neodymium (D\u00f2ng \u0111\u1ea5t hi\u1ebfm) cho B\u1eaft gi\u1eef H\u1ea1t M\u1ecbn<\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao, ch\u00fang t\u00f4i s\u1eed d\u1ee5ng <strong>NdFeB Neodymium<\/strong>. Nh\u1eefng <strong>nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm<\/strong> l\u00e0 ti\u00eau chu\u1ea9n ng\u00e0nh \u0111\u1ec3 b\u1eaft gi\u1eef \u00f4 nhi\u1ec5m kim lo\u1ea1i tinh vi. C\u00e1c m\u00f4 h\u00ecnh hi\u1ec7u su\u1ea5t cao c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ea1t \u0111\u01b0\u1ee3c tr\u01b0\u1eddng t\u1eeb t\u00ednh b\u1ec1 m\u1eb7t l\u00ean t\u1edbi <strong>12.000 Gauss (1,2 Tesla)<\/strong>. C\u1eefng c\u1ee1 c\u01b0\u1eddng \u0111\u1ed9 n\u00e0y cho ph\u00e9p <strong>thanh nam ch\u00e2m neodymium<\/strong> \u0111\u1ec3 b\u1eaft gi\u1eef c\u00e1c h\u1ea1t s\u1eaft vi m\u00f4 v\u00e0 v\u1eadt li\u1ec7u t\u1eeb paramagic m\u00e0 nam ch\u00e2m y\u1ebfu h\u01a1n s\u1ebd b\u1ecf qua. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho ng\u00e0nh c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 h\u00f3a h\u1ecdc n\u01a1i \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a s\u1ea3n ph\u1ea9m l\u00e0 t\u1ed1i quan tr\u1ecdng.<\/p>\n<h3>S\u1eaft t\u1eeb (G\u1ed1m) cho s\u1ef1 ph\u00e2n t\u00e1ch ti\u1ebft ki\u1ec7m chi ph\u00ed<\/h3>\n<p><strong>Nam ch\u00e2m ferrite<\/strong> cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf \u0111\u00e1ng tin c\u1eady v\u00e0 gi\u00e1 th\u1ea5p cho b\u1ea3o v\u1ec7 m\u00e1y m\u00f3c ph\u1ed5 th\u00f4ng. M\u1eb7c d\u00f9 ch\u00fang kh\u00f4ng c\u00f3 m\u1eadt \u0111\u1ed9 flux cao nh\u01b0 c\u00e1c l\u1ef1a ch\u1ecdn \u0111\u1ea5t hi\u1ebfm, ch\u00fang ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong vi\u1ec7c b\u1eaft gi\u1eef c\u00e1c ph\u1ea7n t\u1eeb l\u1edbn h\u01a1n <strong>kim lo\u1ea1i d\u01b0\u1edbng<\/strong> ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111inh, \u1ed1c v\u00edt v\u00e0 \u0111inh t\u00e1n. Ch\u00fang t\u00f4i \u0111\u1ec1 xu\u1ea5t l\u01b0\u1edbi ferrite cho c\u00e1c giai \u0111o\u1ea1n ph\u00e2n lo\u1ea1i s\u01a1 c\u1ea5p n\u01a1i m\u1ee5c ti\u00eau l\u00e0 ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng cho thi\u1ebft b\u1ecb \u1edf ph\u00eda sau thay v\u00ec \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 tinh khi\u1ebft \u0111\u1ea1t chu\u1ea9n v\u1ec7 sinh.<\/p>\n<h3>Nhi\u1ec7t \u0111\u1ed9 xem x\u00e9t<\/h3>\n<p>S\u1ee9c ch\u1ecbu nhi\u1ec7t l\u00e0 y\u1ebfu t\u1ed1 s\u1ed1ng c\u00f2n \u0111\u1ec3 b\u1ea3o to\u00e0n hi\u1ec7u su\u1ea5t t\u1eeb. Ti\u00eau chu\u1ea9n c\u1ee7a ch\u00fang t\u00f4i <strong><a href=\"https:\/\/nbaem.com\/vi\/products\/magnet-assembly\/\">b\u1ed9 nam ch\u00e2m<\/a><\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 v\u1eadn h\u00e0nh \u1edf nhi\u1ec7t \u0111\u1ed9 l\u00ean t\u1edbi <strong>80\u00b0C<\/strong>Tuy nhi\u00ean, m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p th\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n n\u00e0y. \u0110\u1ec3 ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng kh\u1eed t\u1eeb v\u0129nh vi\u1ec5n, ch\u00fang t\u00f4i thi\u1ebft k\u1ebf l\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 cao t\u00f9y ch\u1ec9nh c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng l\u00ean \u0111\u1ebfn <strong>350\u00b0C<\/strong>C\u1ea7n x\u00e1c \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 x\u1eed l\u00fd t\u1ed1i \u0111a c\u1ee7a b\u1ea1n, v\u00ec vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t lo\u1ea1i ti\u00eau chu\u1ea9n th\u00f4ng th\u01b0\u1eddng trong \u1ee9ng d\u1ee5ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao s\u1ebd l\u00e0m suy gi\u1ea3m \u0111\u00e1ng k\u1ec3 hi\u1ec7u qu\u1ea3 l\u01b0\u1edbi.<\/p>\n<h2>C\u00e1c lo\u1ea1i l\u01b0\u1edbi t\u1eeb v\u00e0 c\u00e1ch c\u1ea5u h\u00ecnh<\/h2>\n<p>Ch\u00fang t\u00f4i thi\u1ebft k\u1ebf c\u1ee7a ch\u00fang t\u00f4i <strong>b\u1ed9 ph\u00e2n t\u00e1ch t\u1eeb<\/strong> h\u1ec7 th\u1ed1ng \u0111\u1ec3 t\u00edch h\u1ee3p li\u1ec1n m\u1ea1c v\u00e0o c\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t hi\u1ec7n c\u00f3, cho d\u00f9 b\u1ea1n \u0111ang l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c \u1ed1ng \u0111\u1ed5 tr\u1ecdng l\u1ef1c hay c\u00e1c h\u1ec7 th\u1ed1ng l\u1eafp gh\u00e9p v\u1ecf ph\u1ee9c t\u1ea1p. L\u1ef1a ch\u1ecdn c\u1ea5u h\u00ecnh ph\u00f9 h\u1ee3p c\u0169ng quan tr\u1ecdng nh\u01b0 ch\u00ednh \u0111\u1ed9 m\u1ea1nh t\u1eeb t\u00ednh.<\/p>\n<h3>C\u00e1c bi\u1ebfn th\u1ec3 h\u00ecnh d\u1ea1ng: Tr\u00f2n vs. Th\u1eb3ng vu\u00f4ng c\u1ea1nh<\/h3>\n<p>V\u1ebb h\u00ecnh c\u1ee7a <strong>nam ch\u00e2m grate<\/strong> ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o giao di\u1ec7n thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n.<\/p>\n<ul>\n<li><strong>M\u1ea1ng h\u00ecnh tr\u00f2n:<\/strong> \u0110\u00e2y l\u00e0 c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p cho h\u00ecnh n\u00f3n <strong>nam ch\u00e2m h\u1ed9c h\u00e0ng<\/strong>\u2f64\u2fa5\u76f4\u63a5\u843d\u5165\u6599\u6597\u5589\u90e8\uff0c\u4ee5\u4fdd\u62a4\u6ce8\u5851\u6a5f\u6216\u64e0\u51fa\u6a5f\u3002<\/li>\n<li><strong>L\u01b0\u1edbi h\u00ecnh ch\u1eef nh\u1eadt\/h\u00ecnh vu\u00f4ng:<\/strong> Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng ch\u00fang cho m\u00e1ng vu\u00f4ng, th\u00f9ng ch\u1ee9a v\u00e0 \u1ed1ng d\u1eabn. M\u1ee5c ti\u00eau l\u00e0 che ph\u1ee7 to\u00e0n b\u1ed9 m\u1eb7t c\u1eaft ngang c\u1ee7a lu\u1ed3ng v\u1eadt li\u1ec7u \u0111\u1ec3 kh\u00f4ng c\u00f3 \u201cv\u00f9ng ch\u1ebft\u201d n\u00e0o n\u01a1i <strong>kim lo\u1ea1i d\u01b0\u1edbng<\/strong> c\u00f3 th\u1ec3 l\u1ecdt qua.<\/li>\n<\/ul>\n<h3>C\u01a1 ch\u1ebf l\u00e0m s\u1ea1ch: Chu\u1ea9n vs. D\u1ec5 l\u00e0m s\u1ea1ch<\/h3>\n<p>T\u1ed1c \u0111\u1ed9 b\u1ea3o tr\u00ec quy\u1ebft \u0111\u1ecbnh b\u1ea1n n\u00ean ch\u1ecdn m\u00f4 h\u00ecnh n\u00e0o.<\/p>\n<ul>\n<li><strong>L\u01b0\u1edbi chu\u1ea9n:<\/strong> \u0110\u00e2y l\u00e0 m\u1ed9t l\u1eafp r\u00e1p c\u1ed1 \u0111\u1ecbnh. \u0110\u1ec3 l\u00e0m s\u1ea1ch n\u00f3, b\u1ea1n th\u00e1o l\u01b0\u1edbi v\u00e0 lau th\u1ee7 c\u00f4ng c\u00e1c m\u1ea1t s\u1eaft kh\u1ecfi c\u00e1c thanh. Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m th\u1ea5p.<\/li>\n<li><strong>L\u01b0\u1edbi D\u1ec5 V\u1ec7 Sinh N\u00f3ng V\u1edbi Nam ch\u00e2m:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn, ch\u00fang t\u00f4i khuy\u1ebfn ngh\u1ecb thi\u1ebft k\u1ebf n\u00e0y. N\u00f3 d\u00f9ng h\u1ec7 th\u1ed1ng \u1ed1ng l\u1eafp tr\u00ean c\u00e1c thanh. Khi b\u1ea1n k\u00e9o l\u00f5i nam ch\u00e2m ra, tr\u01b0\u1eddng t\u1eeb b\u1ecb lo\u1ea1i b\u1ecf, v\u00e0 kim lo\u1ea1i \u0111\u01b0\u1ee3c thu th\u1eadp r\u01a1i ra ngay l\u1eadp t\u1ee9c. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m th\u1eddi gian ch\u1ebft m\u1ed9t c\u00e1ch \u0111\u00e1ng k\u1ec3.<\/li>\n<\/ul>\n<h3>L\u1ecdc m\u1ed9t l\u1edbp so v\u1edbi \u0111a l\u1edbp<\/h3>\n<p>T\u1ea1i l\u00f5i c\u1ee7a c\u00e1c c\u1ea5u h\u00ecnh n\u00e0y l\u00e0 <strong>nam ch\u00e2m neodymium m\u1ea1nh<\/strong> \u0111\u1ea3m b\u1ea3o t\u1ef7 l\u1ec7 b\u1eaft gi\u1eef cao, nh\u01b0ng b\u1ed1 tr\u00ed m\u1edbi l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 tinh khi\u1ebft cu\u1ed1i c\u00f9ng.<\/p>\n<ul>\n<li><strong>M\u1ed9t l\u1edbp:<\/strong> Ph\u00f9 h\u1ee3p cho b\u1ea3o v\u1ec7 chung khi d\u00f2ng v\u1eadt li\u1ec7u ch\u1eadm ho\u1eb7c nguy c\u01a1 \u00f4 nhi\u1ec5m th\u1ea5p.<\/li>\n<li><strong>Nhi\u1ec1u l\u1edbp:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng nh\u01b0 th\u1ef1c ph\u1ea9m ho\u1eb7c d\u01b0\u1ee3c ph\u1ea9m, ch\u00fang t\u00f4i x\u1ebfp ch\u1ed3ng c\u00e1c l\u01b0\u1edbi. Ch\u00fang t\u00f4i th\u01b0\u1eddng l\u1ec7ch c\u00e1c thanh ho\u1eb7c th\u00eam <strong>thanh ch\u1eafn<\/strong> \u0111\u1ec3 t\u1ea1o m\u1ed9t \u0111\u01b0\u1eddng \u0111i ngo\u1eb1n ngh\u00e8o.\u201d \u0110i\u1ec1u n\u00e0y bu\u1ed9c v\u1eadt li\u1ec7u va ch\u1ea1m v\u00e0o b\u1ec1 m\u1eb7t nam ch\u00e2m, t\u1ed1i \u0111a h\u00f3a <strong>lo\u1ea1i b\u1ecf \u00f4 nhi\u1ec5m s\u1eaft<\/strong>.<\/li>\n<\/ul>\n<h2>C\u00e1c \u1ee8ng D\u1ee5ng C\u00f4ng Nghi\u1ec7p Ch\u00eca Kho\u00e1 cho L\u01b0\u1edbi Nam Ch\u00e2m<\/h2>\n<p>Ch\u00fang t\u00f4i thi\u1ebft k\u1ebf l\u01b0\u1edbi t\u1eeb t\u00ednh c\u1ee7a m\u00ecnh \u0111\u1ec3 tr\u1edf th\u00e0nh \u0111\u01b0\u1eddng ph\u00f2ng th\u1ee7 quan tr\u1ecdng trong c\u00e1c c\u01a1 s\u1edf x\u1eed l\u00fd tr\u00ean to\u00e0n c\u1ea7u. D\u00f9 m\u1ee5c ti\u00eau l\u00e0 b\u1ea3o v\u1ec7 nh\u1eefng m\u00e1y m\u00f3c \u0111\u1eaft ti\u1ec1n hay \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u01b0\u1eddi ti\u00eau d\u00f9ng, c\u00e1c b\u1ed9 ph\u00e2n c\u00e1ch n\u00e0y \u0111\u1ee7 linh ho\u1ea1t \u0111\u1ec3 x\u1eed l\u00fd v\u1eadt li\u1ec7u ch\u1ea3y t\u1ef1 do \u1edf nhi\u1ec1u ng\u00e0nh kh\u00e1c nhau. \u1ee8ng d\u1ee5ng c\u1ee5 th\u1ec3 th\u01b0\u1eddng quy\u1ebft \u0111\u1ecbnh s\u1ee9c m\u1ea1nh t\u1eeb v\u00e0 v\u1eadt li\u1ec7u v\u1ecf c\u1ea7n thi\u1ebft.<\/p>\n<h3>B\u1ea3o v\u1ec7 Nh\u1ef1a v\u00e0 \u00c9p Nh\u1ef1a<\/h3>\n<p>Trong ng\u00e0nh nh\u1ef1a, m\u1ed9t <strong>nam ch\u00e2m ph\u1ec5u<\/strong> l\u00e0 thi\u1ebft b\u1ecb ti\u00eau chu\u1ea9n \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00e1y \u00e9p nh\u1ef1a, m\u00e1y \u0111\u00f9n v\u00e0 m\u00e1y th\u1ed5i khu\u00f4n. Ch\u00fang t\u00f4i thi\u1ebft k\u1ebf nh\u1eefng l\u01b0\u1edbi n\u00e0y \u0111\u1ec3 ng\u1ed3i tr\u1ef1c ti\u1ebfp t\u1ea1i c\u1ed5 c\u1ea5p li\u1ec7u, b\u1eaft gi\u1eef <strong>kim lo\u1ea1i d\u01b0\u1edbng<\/strong>\u2014nh\u01b0 v\u00edt l\u1ecfng, k\u1eb9p, ho\u1eb7c v\u1ee5n gia c\u00f4ng\u2014 tr\u01b0\u1edbc khi v\u00e0o bu\u1ed3ng. Vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111\u01a1n gi\u1ea3n n\u00e0y ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng t\u1ed1n k\u00e9m cho v\u00edt, v\u00f2ng ki\u1ec3m tra v\u00e0 v\u00f2i phun, \u0111\u1ed3ng th\u1eddi gi\u1ea3m th\u1eddi gian b\u1ea3o tr\u00ec xu\u1ed1ng \u0111\u00e1ng k\u1ec3.<\/p>\n<h3>An to\u00e0n Th\u1ef1c ph\u1ea9m v\u00e0 \u0110\u1ed3 u\u1ed1ng (Tu\u00e2n th\u1ee7 HACCP)<\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, duy tr\u00ec s\u1ef1 tinh khi\u1ebft c\u1ee7a s\u1ea3n ph\u1ea9m l\u00e0 kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng. Ch\u00fang t\u00f4i s\u1ea3n xu\u1ea5t c\u00e1c b\u1ed9 l\u1ecdc t\u1eeb t\u00ednh v\u00f4 tr\u00f9ng <strong>b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/strong> s\u1eed d\u1ee5ng c\u00e1c c\u1ea5p 304 ho\u1eb7c 316L, h\u00e0n v\u00e0 \u0111\u00e1nh b\u00f3ng ho\u00e0n to\u00e0n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u1ec7 sinh. C\u00e1c l\u01b0\u1edbi n\u00e0y r\u1ea5t thi\u1ebft y\u1ebfu cho <strong>tu\u00e2n th\u1ee7 t\u1eeb t\u00ednh HACCP<\/strong>, lo\u1ea1i b\u1ecf hi\u1ec7u qu\u1ea3 b\u1ed9t s\u1eaft tinh v\u00e0 c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m t\u1eeb c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 b\u1ed9t m\u00ec, \u0111\u01b0\u1eddng, gia v\u1ecb v\u00e0 ng\u0169 c\u1ed1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng an to\u00e0n cho ti\u00eau th\u1ee5.<\/p>\n<h3>\u0110\u1ed9 tinh khi\u1ebft H\u00f3a ch\u1ea5t v\u00e0 D\u01b0\u1ee3c ph\u1ea9m<\/h3>\n<p>C\u00e1c d\u00e2y chuy\u1ec1n h\u00f3a ch\u1ea5t v\u00e0 d\u01b0\u1ee3c ph\u1ea9m \u0111\u00f2i h\u1ecfi m\u1ee9c \u0111\u1ed9 l\u1ecdc tinh vi \u1edf m\u1ee9c cao nh\u1ea5t. Trong c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y, ch\u00fang t\u00f4i s\u1eed d\u1ee5ng t\u1eeb t\u00ednh c\u01b0\u1eddng \u0111\u1ed9 cao <strong>Nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm<\/strong> (c\u1ee5 th\u1ec3 l\u00e0 Neo-My-\u0111i-um) c\u00f3 kh\u1ea3 n\u0103ng l\u00ean t\u1edbi 12.000 Gauss. D\u00f2ng t\u1eeb tr\u01b0\u1eddng c\u1ef1c m\u1ea1nh n\u00e0y c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1eaft gi\u1eef c\u00e1c h\u1ea1t paramagnet v\u00e0 c\u00e1c m\u1ea3nh th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00e3 luy\u1ec7n c\u00f4ng m\u00e0 c\u00e1c lo\u1ea1i t\u1eeb th\u00f4ng th\u00f4ng th\u01b0\u1eddng kh\u00f4ng th\u1ec3 x\u1eed l\u00fd. <strong>nam ch\u00e2m ferrite<\/strong> s\u1ebd b\u1ecf l\u1ee1, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tinh s\u1ea1ch tuy\u1ec7t \u0111\u1ed1i theo l\u00f4.<\/p>\n<h3>D\u00f2ng t\u00e1i ch\u1ebf v\u00e0 ph\u00e2n t\u00e1ch<\/h3>\n<p>c\u00e1c c\u01a1 s\u1edf t\u00e1i ch\u1ebf x\u1eed l\u00fd l\u01b0u l\u01b0\u1ee3ng v\u1eadt li\u1ec7u c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn v\u00e0 \u0103n m\u00f2n. M\u1ed9t b\u1ed9 t\u00e1ch kim lo\u1ea1i ng\u00e3 d\u1ed1c m\u1ea1nh <strong>m\u00e1y t\u00e1ch kim lo\u1ea1i ng\u00e3 d\u1ed1c<\/strong> vi\u1ec7c n\u00e0y r\u1ea5t quan tr\u1ecdng \u1edf \u0111\u00e2y \u0111\u1ec3 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb \u1edf h\u1ea1 ngu\u1ed3n nh\u01b0 m\u00e1y shredder v\u00e0 m\u00e1y granulator kh\u1ecfi h\u01b0 h\u1ea1i. B\u1eb1ng c\u00e1ch l\u1eafp \u0111\u1eb7t m\u1ed9t l\u01b0\u1edbi c\u01b0\u1eddng \u0111\u1ed9 cao, ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t hi\u1ec7u qu\u1ea3 kim lo\u1ea1i s\u1eaft kh\u1ecfi t\u00e1i ch\u1ebf nh\u1ef1a ho\u1eb7c m\u1ea3nh th\u1ee7y tinh v\u1ee5n. N\u1ebfu c\u01a1 s\u1edf c\u1ee7a b\u1ea1n c\u00f3 y\u00eau c\u1ea7u k\u00edch th\u01b0\u1edbc ho\u1eb7c d\u00f2ng ch\u1ea3y \u0111\u1eb7c th\u00f9, <strong><a href=\"https:\/\/nbaem.com\/vi\/contact-us\/\">li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/a><\/strong> \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 c\u1ea5u h\u00ecnh l\u01b0\u1edbi t\u00f9y ch\u1ec9nh ph\u00f9 h\u1ee3p v\u1edbi d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.<\/p>\n<h2>C\u00e1ch Ch\u1ecdn L\u01b0\u1edbi T\u1eeb Tr\u1ee3 t\u1eeb Tr\u01b0\u1eddng T\u1eeb<\/h2>\n<p>Ch\u1ecdn \u0111\u00fang <strong>b\u1ed9 ph\u00e2n t\u00e1ch t\u1eeb<\/strong> kh\u00f4ng ch\u1ec9 l\u00e0 ch\u1ecdn m\u1ed9t k\u00edch th\u01b0\u1edbc v\u1eeba v\u1edbi ph\u1ec5u c\u1ee7a b\u1ea1n. N\u00f3 \u0111\u00f2i h\u1ecfi ph\u1ea3i xem x\u00e9t c\u1ea9n th\u1eadn l\u01b0u l\u01b0\u1ee3ng v\u1eadt li\u1ec7u v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t c\u1ee5 th\u1ec3 b\u1ea1n c\u1ea7n b\u1eaft. N\u1ebfu l\u01b0\u1edbi qu\u00e1 d\u00e0y, b\u1ea1n c\u00f3 nguy c\u01a1 v\u1eadt li\u1ec7u b\u1ecb bridging; n\u1ebfu qu\u00e1 y\u1ebfu, kim lo\u1ea1i nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 l\u1ecdt qua.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch t\u00f4i \u0111\u1ec1 xu\u1ea5t ph\u00e2n t\u00edch y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n:<\/p>\n<ul>\n<li><strong>Ph\u00e2n t\u00edch L\u01b0u L\u01b0\u1ee3ng v\u00e0 Bridging:<\/strong> \u0110\u1ed1i v\u1edbi v\u1eadt li\u1ec7u kh\u00f4 c\u00f3 d\u00f2ng ch\u1ea3y t\u1ef1 do, kho\u1ea3ng c\u00e1ch ti\u00eau chu\u1ea9n ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. Tuy nhi\u00ean, n\u1ebfu s\u1ea3n ph\u1ea9m c\u1ee7a b\u1ea1n d\u00ednh ho\u1eb7c d\u1ec5 t\u1eadp l\u1ea1i, ch\u00fang ta c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh kho\u1ea3ng c\u00e1ch c\u00e1c thanh ho\u1eb7c th\u00eam <strong>thanh ch\u1eafn<\/strong> \u0111\u1ec3 ng\u0103n ch\u1eb7n bridging. M\u1ed9t d\u00f2ng ch\u1ea3y b\u1ecb t\u1eafc <strong>nam ch\u00e2m ph\u1ec5u<\/strong> d\u1eebng l\u1ea1i s\u1ea3n xu\u1ea5t, v\u00ec v\u1eady \u0111\u1eb7c t\u00ednh l\u01b0u l\u01b0\u1ee3ng ph\u1ea3i quy\u1ebft \u0111\u1ecbnh b\u1ed1 tr\u00ed l\u01b0\u1edbi.<\/li>\n<li><strong>X\u00e1c \u0111\u1ecbnh C\u01b0\u1eddng \u0111\u1ed9 Gauss:<\/strong> K\u00edch th\u01b0\u1edbc t\u1ea1p ch\u1ea5t s\u1ebd quy\u1ebft \u0111\u1ecbnh l\u1ef1c t\u1eeb c\u1ea7n thi\u1ebft. \u0110\u1ed1i v\u1edbi kim lo\u1ea1i ph\u1ee5 l\u1edbn (bu-long, bu-l\u00f4ng), c\u01b0\u1eddng \u0111\u1ed9 ti\u00eau chu\u1ea9n l\u00e0 \u0111\u1ee7. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi <strong>lo\u1ea1i b\u1ecf \u00f4 nhi\u1ec5m s\u1eaft<\/strong> li\u00ean quan \u0111\u1ebfn h\u1ea1t nh\u1ecf ho\u1eb7c b\u1ee5i th\u00e9p kh\u00f4ng g\u1ec9, b\u1ea1n tuy\u1ec7t \u0111\u1ed1i c\u1ea7n m\u1ed9t <strong>nam ch\u00e2m 12.000 Gauss<\/strong> c\u1ea5u h\u00ecnh. D\u1ea3i thanh Neodymium ch\u1ea5t l\u01b0\u1ee3ng cao l\u00e0 c\u1ea7n thi\u1ebft \u1edf \u0111\u00e2y \u0111\u1ec3 b\u1eaft nh\u1eefng t\u1ea1p ch\u1ea5t \u1edf k\u00edch th\u01b0\u1edbc micron.<\/li>\n<li><strong>Gi\u1edbi h\u1ea1n Nhi\u1ec7t \u0111\u1ed9:<\/strong> \u0110\u1eebng bao gi\u1edd b\u1ecf qua nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh. Nam ch\u00e2m neodymium ti\u00eau chu\u1ea9n m\u1ea5t t\u1eeb t\u00ednh tr\u00ean 80\u00b0C. N\u1ebfu quy tr\u00ecnh c\u1ee7a b\u1ea1n li\u00ean quan \u0111\u1ebfn nhi\u1ec7t, ch\u1eb3ng h\u1ea1n trong nh\u1ef1a ho\u1eb7c x\u1eed l\u00fd h\u00f3a h\u1ecdc, b\u1ea1n ph\u1ea3i ch\u1ec9 r\u00f5 <a href=\"https:\/\/nbaem.com\/vi\/high-temperature-magnets\/\" target=\"_blank\" rel=\"noopener\">nam ch\u00e2m ch\u1ecbu nhi\u1ec7t cao<\/a> c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng l\u00ean t\u1edbi 350\u00b0C \u0111\u1ec3 duy tr\u00ec <strong>gi\u00e1 tr\u1ecb m\u1eadt \u0111\u1ed9 flux t\u1eeb<\/strong>.<\/li>\n<li><strong>T\u00f9y ch\u1ec9nh vs. Ti\u00eau chu\u1ea9n:<\/strong> Trong khi ch\u00fang t\u00f4i c\u00f3 s\u1eb5n k\u00edch th\u01b0\u1edbc tr\u00f2n v\u00e0 vu\u00f4ng ti\u00eau chu\u1ea9n, c\u00e1c gi\u1ea3i ph\u00e1p s\u1eb5n c\u00f3 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng cung c\u1ea5p ph\u1ea1m vi 100%. T\u00f9y ch\u1ec9nh l\u01b0\u1edbi \u0111\u1ec3 kh\u1edbp v\u1edbi m\u1eb7t c\u1eaft ngang ch\u00ednh x\u00e1c c\u1ee7a m\u00e1ng c\u1ee7a b\u1ea1n \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 \u201ckhu v\u1ef1c ch\u1ebft\u201d n\u01a1i v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 b\u1ecf qua <strong>c\u1ed9t l\u1ecdc t\u1eeb t\u00ednh<\/strong>.<\/li>\n<\/ul>\n<h2>Quy tr\u00ecnh B\u1ea3o tr\u00ec v\u00e0 Ki\u1ec3m tra<\/h2>\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n <strong>lo\u1ea1i b\u1ecf \u00f4 nhi\u1ec5m s\u1eaft<\/strong>, ch\u00fang ta kh\u00f4ng th\u1ec3 ch\u1ec9 c\u1ea7n l\u1eafp \u0111\u1eb7t m\u1ed9t <strong>nam ch\u00e2m grate<\/strong> v\u00e0 qu\u00ean \u0111i. B\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 \u0111\u1ea3m b\u1ea3o d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n c\u00f4ng nghi\u1ec7p. T\u00f4i lu\u00f4n nh\u1ea5n m\u1ea1nh r\u1eb1ng c\u00e1ch ti\u1ebfp c\u1eadn ch\u1ee7 \u0111\u1ed9ng gi\u00fap ng\u0103n ng\u1eeba th\u1eddi gian ch\u1ebft \u0111\u1eaft \u0111\u1ecf v\u00e0 r\u1ee7i ro \u00f4 nhi\u1ec5m.<\/p>\n<h3>Th\u1ef1c hi\u1ec7n Th\u1eed nghi\u1ec7m K\u00e9o \u0111\u1ec3 X\u00e1c nh\u1eadn S\u1ee9c m\u1ea1nh<\/h3>\n<p>Theo th\u1eddi gian, c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 nhi\u1ec7t, s\u1ed1c v\u1eadt l\u00fd ho\u1eb7c rung \u0111\u1ed9ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng <strong>gi\u00e1 tr\u1ecb m\u1eadt \u0111\u1ed9 flux t\u1eeb<\/strong>. R\u1ea5t quan tr\u1ecdng \u0111\u1ec3 x\u00e1c th\u1ef1c hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb b\u1eb1ng m\u1ed9t b\u00e0i th\u1eed k\u00e9o chu\u1ea9n h\u00f3a.<\/p>\n<ul>\n<li><strong>Thi\u1ebft l\u1eadp \u0110i\u1ec3m chu\u1ea9n:<\/strong> Khi b\u1ea1n v\u1eeba c\u00e0i \u0111\u1eb7t l\u1ea7n \u0111\u1ea7u m\u1ed9t <strong>nam ch\u00e2m 12.000 Gauss<\/strong>, ghi l\u1ea1i l\u1ef1c k\u00e9o ban \u0111\u1ea7u c\u1ee7a n\u00f3 l\u00e0m \u0111i\u1ec3m tham chi\u1ebfu.<\/li>\n<li><strong>Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3:<\/strong> Ki\u1ec3m tra <strong>nam ch\u00e2m ph\u1ec5u<\/strong> \u0111\u1ecbnh k\u1ef3 (v\u00ed d\u1ee5, h\u00e0ng th\u00e1ng ho\u1eb7c h\u00e0ng qu\u00fd) \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 gi\u1ea3m m\u1ea1nh l\u1ef1c n\u1eafm.<\/li>\n<li><strong>\u0110\u1ecdc gauss-meter:<\/strong> S\u1eed d\u1ee5ng m\u1ed9t gauss-meter \u0111\u00e3 hi\u1ec7u chu\u1ea9n tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a <strong>thanh nam ch\u00e2m neodymium<\/strong> \u0111\u1ec3 x\u00e1c nh\u1eadn ch\u00fang v\u1eabn \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 y\u00eau c\u1ea7u \u0111\u1ec3 b\u1eaft \u0111\u01b0\u1ee3c kim lo\u1ea1i l\u00e3ng th\u1ea3ng tinh vi.<\/li>\n<\/ul>\n<h3>T\u1ea7n su\u1ea5t ki\u1ec3m tra m\u00e0i m\u00f2n<\/h3>\n<p>\u0110i\u1ec1u ki\u1ec7n v\u1eadt l\u00fd c\u1ee7a <strong>l stainless steel magnetic filter\n\nNote: The input seems to have a stray \"l\" at the start. The translation of \"stainless steel magnetic filter\" to Vietnamese is \"l\u1ecdc t\u1eeb t\u00ednh b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9\".<\/strong> quan tr\u1ecdng kh\u00f4ng k\u00e9m l\u1ef1c t\u1eeb c\u1ee7a n\u00f3. L\u01b0u l\u01b0\u1ee3ng v\u1eadt li\u1ec7u cao c\u00f3 th\u1ec3 m\u00e0i m\u00f2n b\u1ec1 m\u1eb7t \u1ed1ng theo th\u1eddi gian.<\/p>\n<ul>\n<li><strong>Ki\u1ec3m tra h\u00ecnh th\u1ee9c:<\/strong> Ki\u1ec3m tra <strong>l\u01b0\u1edbi nam ch\u00e2m<\/strong> th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra c\u00e1c v\u1ebft m\u00f3p, v\u1ebft tr\u1ea7y x\u01b0\u1edbc s\u00e2u ho\u1eb7c spots m\u00f2n tr\u00ean v\u1ecf b\u1eb1ng ch\u1ea5t li\u1ec7u th\u00e9p kh\u00f4ng g\u1ec9 304 ho\u1eb7c 316.<\/li>\n<li><strong>Ng\u0103n ng\u1eeba \u0103n m\u00f2n:<\/strong> N\u1ebfu \u1ed1ng b\u00ean ngo\u00e0i b\u1ecb v\u1ee1, k\u1ebft t\u1eeb hi\u1ebfm b\u00ean trong c\u00f3 th\u1ec3 oxi h\u00f3a, d\u1eabn \u0111\u1ebfn ph\u00ecnh v\u00e0 h\u1ecfng h\u00f3c.<\/li>\n<li><strong>Chu k\u1ef3 l\u00e0m s\u1ea1ch:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb l\u00e0m s\u1ea1ch b\u1eb1ng tay, ki\u1ec3m tra c\u00f3 m\u1ea9u v\u1ee5n b\u1ecb k\u1eb9t trong m\u1ed7i chu tr\u00ecnh l\u00e0m s\u1ea1ch. N\u1ebfu d\u00f9ng m\u1ed9t <strong>l\u01b0\u1edbi t\u1eeb t\u00ednh d\u1ec5 l\u00e0m s\u1ea1ch<\/strong>, h\u00e3y \u0111\u1ea3m b\u1ea3o c\u01a1 ch\u1ebf t\u1ea9y s\u1ea1ch di chuy\u1ec3n tr\u01a1n tru m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng c\u00e1c thanh.<\/li>\n<\/ul>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 L\u01b0\u1edbi t\u1eeb t\u00ednh<\/h2>\n<h3>T\u00f4i l\u00e0m s\u1ea1ch l\u01b0\u1edbi t\u1eeb t\u00ednh nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n<p>Kh\u1eed b\u1ee5i ph\u1ee5 thu\u1ed9c v\u00e0o model b\u1ea1n ch\u1ecdn. V\u1edbi m\u1ed9t ti\u00eau chu\u1ea9n <strong>nam ch\u00e2m grate<\/strong>, b\u1ea1n th\u00e1o b\u1ecf \u0111\u01a1n v\u1ecb kh\u1ecfi ph\u1ec5u v\u00e0 lau th\u1ee7 c\u00f4ng ch\u1ea5t \u00f4 nhi\u1ec5m s\u1eaft b\u1ecb b\u1eaft tr\u00ean \u1ed1ng th\u00e9p kh\u00f4ng g\u1ec9. \u0110i\u1ec1u n\u00e0y ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho c\u00e1c d\u00e2y chuy\u1ec1n c\u00f3 m\u1ee9c \u00f4 nhi\u1ec5m th\u1ea5p.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c ho\u1ea1t \u0111\u1ed9ng quy m\u00f4 l\u1edbn, ch\u00fang t\u00f4i \u0111\u1ec1 xu\u1ea5t m\u1ed9t <strong>l\u01b0\u1edbi t\u1eeb t\u00ednh d\u1ec5 l\u00e0m s\u1ea1ch<\/strong>. V\u1edbi thi\u1ebft k\u1ebf n\u00e0y, c\u00e1c l\u00f5i t\u1eeb \u0111\u01b0\u1ee3c \u0111\u1eb7t trong c\u00e1c \u1ed1ng \u00e1o b\u00ean ngo\u00e0i. \u0110\u1ec3 l\u00e0m s\u1ea1ch, b\u1ea1n ch\u1ec9 c\u1ea7n k\u00e9o c\u00e1c l\u00f5i ra kh\u1ecfi \u1ed1ng \u00e1o; khi ngu\u1ed3n t\u1eeb t\u00ednh \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf, m\u1ea3nh kim lo\u1ea1i b\u1ecb k\u1eb9t r\u01a1i ra t\u1ef1 \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian ng\u1eebng b\u1ea3o tr\u00ec v\u00e0 c\u1ea3i thi\u1ec7n an to\u00e0n cho ng\u01b0\u1eddi lao \u0111\u1ed9ng.<\/p>\n<h3>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa 10.000 v\u00e0 12.000 Gauss \u1edf m\u1ee9c \u0111\u1ed9 n\u00e0o?<\/h3>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t n\u1eb1m \u1edf m\u1eadt \u0111\u1ed9 t\u1eeb th\u00f4ng v\u00e0 kh\u1ea3 n\u0103ng b\u1eaft t\u1ed1i \u0111a c\u00e1c h\u1ea1t m\u1ecbn.<\/p>\n<ul>\n<li><strong>10.000 Gauss:<\/strong> Hi\u1ec7u qu\u1ea3 trong vi\u1ec7c b\u1eaft c\u00e1c kim ph\u1ebf th\u1ea3i l\u1edbn h\u01a1n nh\u01b0 \u0111inh, v\u00edt v\u00e0 v\u00f2ng.<\/li>\n<li><strong>12.000 Gauss:<\/strong> S\u1eed d\u1ee5ng ch\u1ea5t li\u1ec7u cao c\u1ea5p <a href=\"https:\/\/nbaem.com\/vi\/guide-to-rare-earth-magnets\/\" target=\"_blank\" rel=\"noopener\">nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm<\/a> \u0111\u1ec3 t\u1ea1o ra tr\u01b0\u1eddng m\u1ea1nh h\u01a1n. C\u01b0\u1eddng \u0111\u1ed9 n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 b\u1eaft gi\u1eef c\u00e1c h\u1ea1t paramagnet vi m\u00f4 v\u00e0 shavings th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00e3 l\u00e0m c\u1ee9ng c\u00f4ng ngh\u1ec7 m\u00e0 c\u00e1c nam ch\u00e2m y\u1ebfu h\u01a1n c\u00f3 th\u1ec3 b\u1ecf l\u1ee1.<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c ng\u00e0nh c\u1ea7n ti\u00eau chu\u1ea9n v\u1ec7 sinh nghi\u00eam ng\u1eb7t, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u1ef1c ph\u1ea9m ho\u1eb7c d\u01b0\u1ee3c ph\u1ea9m, t\u00f9y ch\u1ecdn 12.000 Gauss s\u1ebd \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tinh khi\u1ebft s\u1ea3n ph\u1ea9m t\u1ed1i \u0111a.<\/p>\n<h3>L\u01b0\u1edbi t\u1eeb c\u00f3 th\u1ec3 ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao kh\u00f4ng?<\/h3>\n<p>C\u00f3, nh\u01b0ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt m\u1edbi quan tr\u1ecdng. Th\u00f4ng th\u01b0\u1eddng, c\u00e1c thanh nam ch\u00e2m Neodymium ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cho nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh l\u00ean t\u1edbi <strong>80\u00b0C<\/strong>. Vi\u1ec7c v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n n\u00e0y c\u00f3 th\u1ec3 g\u00e2y m\u1ea5t t\u1eeb t\u00ednh v\u0129nh vi\u1ec5n.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn nh\u1ef1a n\u00f3ng ho\u1eb7c qu\u00e1 tr\u00ecnh h\u00f3a h\u1ecdc, ch\u00fang t\u00f4i thi\u1ebft k\u1ebf l\u01b0\u1edbi ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao t\u00f9y ch\u1ec9nh. Nh\u1eefng \u0111\u01a1n v\u1ecb \u0111\u1eb7c bi\u1ec7t n\u00e0y duy tr\u00ec l\u1ef1c gi\u1eef c\u1ee7a ch\u00fang \u1edf m\u00f4i tr\u01b0\u1eddng l\u00ean t\u1edbi <strong>350\u00b0C<\/strong>, \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh ph\u00e2n t\u00e1ch c\u1ee7a b\u1ea1n v\u1eabn \u0111\u00e1ng tin c\u1eady ngay c\u1ea3 d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao.<\/p>\n<div id=\"references\" class=\"min-w-0 scroll-mt-8 overflow-hidden\">\n<div class=\"text-[16px]\"><\/div>\n<div class=\"flex flex-col gap-2 text-sm leading-relaxed\">\n<div class=\"break-words text-[1em] leading-7\"><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 grid t\u1eeb l\u00e0 g\u00ec v\u00e0 c\u00e1ch c\u00e1c nam ch\u00e2m thanh inox c\u00f3 Gauss cao lo\u1ea1i b\u1ecf \u00f4 nhi\u1ec5m s\u1eaft trong qu\u00e1 tr\u00ecnh c\u00f4ng nghi\u1ec7p.<\/p>","protected":false},"author":1,"featured_media":3658,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[37],"tags":[],"class_list":["post-3654","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-magnetic-separator"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2026\/01\/Magnet-grid.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/comments?post=3654"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3654\/revisions"}],"predecessor-version":[{"id":3659,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3654\/revisions\/3659"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/3658"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=3654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=3654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=3654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}