{"id":14987,"date":"2025-02-28T07:31:06","date_gmt":"2025-02-28T07:31:06","guid":{"rendered":"https:\/\/www.epicmicron.com\/?p=14987"},"modified":"2025-02-28T07:37:15","modified_gmt":"2025-02-28T07:37:15","slug":"nitrogen-closed-loop-circulation-system-in-air-jet-mills","status":"publish","type":"post","link":"https:\/\/www.epicmicron.com\/vi\/nitrogen-closed-loop-circulation-system-in-air-jet-mills\/","title":{"rendered":"H\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n k\u00edn nit\u01a1 trong m\u00e1y nghi\u1ec1n kh\u00ed"},"content":{"rendered":"

1. Nh\u1eefng \u0111i\u1ec3m y\u1ebfu c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 nhu c\u1ea7u v\u1ec1 h\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n k\u00edn nit\u01a1<\/strong><\/h2>\n\n\n\n

Trong qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn pin lithium<\/a> v\u1eadt li\u1ec7u (v\u00ed d\u1ee5, lithium s\u1eaft phosphate, lithium coban oxit), d\u01b0\u1ee3c ph\u1ea9m v\u00e0 b\u1ed9t kim lo\u1ea1i, v\u1eadt li\u1ec7u th\u01b0\u1eddng d\u1ec5 ch\u00e1y, n\u1ed5 ho\u1eb7c h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m. S\u1eed d\u1ee5ng kh\u00f4ng kh\u00ed trong c\u00e1c m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c truy\u1ec1n th\u1ed1ng c\u00f3 th\u1ec3 g\u00e2y ch\u00e1y, n\u1ed5 ho\u1eb7c oxy h\u00f3a. V\u00ed d\u1ee5, vi\u1ec7c ti\u1ebfp x\u00fac oxit kim lo\u1ea1i c\u1ee7a pin lithium v\u1edbi oxy c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c ph\u1ea3n \u1ee9ng t\u1ecfa nhi\u1ec7t d\u1eef d\u1ed9i. C\u00e1c API d\u01b0\u1ee3c ph\u1ea9m c\u00f3 th\u1ec3 b\u1ecb ph\u00e2n h\u1ee7y do qu\u00e1 tr\u00ecnh oxy h\u00f3a. V\u00ec v\u1eady, c\u00e1c m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c kh\u00ed ch\u1ed1ng ch\u00e1y n\u1ed5 v\u1edbi H\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n v\u00f2ng k\u00edn nit\u01a1 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n

\"\u1eafc
\u1eaec quy<\/em><\/figcaption><\/figure>\n\n\n\n

H\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n k\u00edn nit\u01a1 l\u00e0m gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng oxy xu\u1ed1ng O2 \u2264 10 ppm, lo\u1ea1i b\u1ecf nguy c\u01a1 n\u1ed5, ng\u0103n ng\u1eeba qu\u00e1 tr\u00ecnh oxy h\u00f3a, h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m v\u00e0 k\u1ebft t\u1ee5 v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

2. C\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i c\u1ee7a h\u1ec7 th\u1ed1ng v\u00f2ng k\u00edn nit\u01a1 v\u00e0 gi\u1ea3i ph\u00e1p s\u00e1ng t\u1ea1o c\u1ee7a Epic Powder<\/strong><\/h2>\n\n\n\n

Qingdao Epic Powder Machinery Co., Ltd. offers the following core technology modules based on its MQW closed-circuit nitrogen-protected air jet mill:<\/p>\n\n\n\n

L\u01b0u th\u00f4ng kh\u00ed tr\u01a1 v\u00e0 ki\u1ec3m so\u00e1t h\u00e0m l\u01b0\u1ee3ng oxy<\/strong><\/h3>\n\n\n\n

Thay th\u1ebf nit\u01a1 v\u00e0 b\u1ed5 sung nit\u01a1 \u0111\u1ed9ng: Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u, kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng nit\u01a1. M\u1ed9t m\u00e0n h\u00ecnh oxy th\u1eddi gian th\u1ef1c (\u0111\u1ed9 ch\u00ednh x\u00e1c: 0,1 ppm) li\u00ean k\u1ebft v\u1edbi PLC \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng b\u1ed5 sung nit\u01a1, duy tr\u00ec ng\u01b0\u1ee1ng an to\u00e0n.
Thi\u1ebft k\u1ebf v\u00f2ng k\u00edn: Nit\u01a1 nghi\u1ec1n \u0111\u01b0\u1ee3c tinh ch\u1ebf b\u1eb1ng b\u1ed9 t\u00e1ch ly t\u00e2m, b\u1ed9 l\u1ecdc t\u00fai v\u00e0 b\u00ecnh ng\u01b0ng, sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a tr\u1edf l\u1ea1i h\u1ec7 th\u1ed1ng \u0111\u1ec3 t\u00e1i ch\u1ebf. L\u01b0\u1ee3ng kh\u00ed tr\u01a1 th\u1ea5t tho\u00e1t d\u01b0\u1edbi 5%, gi\u00fap gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh.<\/p>\n\n\n\n

Thi\u1ebft k\u1ebf ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 b\u1ea3o v\u1ec7 an to\u00e0n<\/strong><\/h3>\n\n\n\n

B\u1ea3o v\u1ec7 ho\u00e0n to\u00e0n b\u1eb1ng g\u1ed1m: Bu\u1ed3ng nghi\u1ec1n, v\u00f2i phun v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng \u0111\u01b0\u1ee3c l\u00f3t b\u1eb1ng g\u1ed1m oxit zirconium \u0111\u1ec3 ng\u0103n ng\u1eeba tia l\u1eeda ma s\u00e1t kim lo\u1ea1i v\u00e0 \u00f4 nhi\u1ec5m v\u1eadt li\u1ec7u.
Gi\u1ea3m \u00e1p su\u1ea5t v\u00e0 ch\u1ed1ng t\u0129nh \u0111i\u1ec7n: \u0110\u0129a n\u1ed5 (\u00e1p su\u1ea5t n\u1ed5 0,01 MPa) v\u00e0 thi\u1ebft b\u1ecb tho\u00e1t t\u0129nh \u0111i\u1ec7n \u0111\u1ea3m b\u1ea3o an to\u00e0n trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n

\"\u0111\u1ecba
\u0110\u1ecba \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c<\/em><\/figcaption><\/figure>\n\n\n\n

Ki\u1ec3m so\u00e1t th\u00f4ng minh v\u00e0 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh<\/h3>\n\n\n\n

B\u1eaft \u0111\u1ea7u\/d\u1eebng b\u1eb1ng m\u1ed9t n\u00fat b\u1ea5m v\u00e0 kh\u1ea3 n\u0103ng truy xu\u1ea5t th\u00f4ng s\u1ed1: Theo d\u00f5i th\u1eddi gian th\u1ef1c v\u00e0 l\u01b0u tr\u1eef l\u1ecbch s\u1eed c\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 h\u00e0m l\u01b0\u1ee3ng oxy, \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 th\u00f4ng qua m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng PLC, \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n GMP v\u00e0 FDA.
\u0110\u1ed9 ch\u00ednh x\u00e1c ph\u00e2n lo\u1ea1i \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n: B\u00e1nh xe ph\u00e2n lo\u1ea1i tuabin n\u1eb1m ngang \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t (D90 < 3 \u03bcm), l\u00fd t\u01b0\u1edfng \u0111\u1ec3 nghi\u1ec1n si\u00eau m\u1ecbn c\u00e1c v\u1eadt li\u1ec7u c\u00f3 gi\u00e1 tr\u1ecb cao.<\/p>\n\n\n\n

3. C\u00e1c tr\u01b0\u1eddng h\u1ee3p \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee7a H\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n v\u00f2ng k\u00edn nit\u01a1 c\u1ee7a Epic Powder<\/strong><\/h2>\n\n\n\n

Nghi\u1ec1n v\u1eadt li\u1ec7u \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng c\u1ee7a pin lithium<\/h3>\n\n\n\n

M\u1ed9t kh\u00e1ch h\u00e0ng H\u1ed3 Nam s\u1eed d\u1ee5ng m\u00e1y nghi\u1ec1n kh\u00ed MQW40 \u0111\u1ec3 nghi\u1ec1n lithium s\u1eaft phosphate. H\u00e0m l\u01b0\u1ee3ng oxy v\u1eabn d\u01b0\u1edbi 8 ppm, \u0111\u1ed9 \u1ea9m d\u01b0\u1edbi 0,02%, hi\u1ec7u su\u1ea5t nghi\u1ec1n t\u0103ng 40% v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed nit\u01a1 v\u01b0\u1ee3t qu\u00e1 50,5 tri\u1ec7u nh\u00e2n d\u00e2n t\u1ec7 m\u1ed7i n\u0103m.<\/p>\n\n\n\n

Vi h\u00f3a nguy\u00ean li\u1ec7u d\u01b0\u1ee3c ph\u1ea9m<\/strong><\/h3>\n\n\n\n

H\u1ec7 th\u1ed1ng v\u00f2ng k\u00edn c\u1ee7a Epic Powder \u0111\u1ea1t \u0111\u01b0\u1ee3c D90 < 5 \u03bcm khi nghi\u1ec1n API, t\u1ed5n th\u1ea5t oxy h\u00f3a th\u00e0nh ph\u1ea7n ho\u1ea1t t\u00ednh d\u01b0\u1edbi 0,5% v\u00e0 v\u01b0\u1ee3t qua ki\u1ec3m to\u00e1n c\u1ee7a FDA.<\/p>\n\n\n\n

X\u1eed l\u00fd ch\u1ed1ng ch\u00e1y n\u1ed5 b\u1eb1ng b\u1ed9t kim lo\u1ea1i<\/h3>\n\n\n\n

Trong d\u1ef1 \u00e1n b\u1ed9t titan, thi\u1ebft b\u1ecb Epic Powder ho\u1ea1t \u0111\u1ed9ng trong 500 gi\u1edd v\u1edbi \u0111\u1ed9 tinh khi\u1ebft nit\u01a1 99,99%, lo\u1ea1i b\u1ecf nguy c\u01a1 n\u1ed5 b\u1ee5i.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

4. Ba \u0111i\u1ec3m n\u1ed5i b\u1eadt ch\u00ednh v\u1ec1 ti\u1ebfp th\u1ecb c\u1ee7a m\u00e1y nghi\u1ec1n kh\u00ed ch\u1ed1ng ch\u00e1y n\u1ed5 Epic Powder<\/h2>\n\n\n\n

T\u00edch h\u1ee3p c\u00f4ng ngh\u1ec7 to\u00e0n b\u1ed9 chu\u1ed7i ng\u00e0nh<\/strong><\/h3>\n\n\n\n

B\u1ed9t s\u1eed thi<\/a> cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p tr\u1ecdn g\u00f3i, bao g\u1ed3m n\u00e9n nit\u01a1, tinh ch\u1ebf, nghi\u1ec1n v\u00e0 t\u00e1i ch\u1ebf. Thi\u1ebft b\u1ecb \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 pin lithium, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 h\u00f3a ch\u1ea5t, v\u1edbi c\u00e1c m\u00f4-\u0111un t\u00f9y ch\u1ec9nh (v\u00ed d\u1ee5: v\u1ec7 sinh CIP).<\/p>\n\n\n\n

T\u1ed1i \u01b0u h\u00f3a chi ph\u00ed v\u00e0 s\u1ea3n xu\u1ea5t xanh<\/strong><\/h3>\n\n\n\n

V\u1edbi t\u1ef7 l\u1ec7 t\u00e1i ch\u1ebf kh\u00ed tr\u01a1 30%, ch\u00fang t\u00f4i gi\u00fap kh\u00e1ch h\u00e0ng \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n

Tu\u00e2n th\u1ee7 to\u00e0n c\u1ea7u v\u00e0 d\u1ecbch v\u1ee5 \u0111\u1ecba ph\u01b0\u01a1ng<\/h3>\n\n\n\n

Thi\u1ebft b\u1ecb c\u1ee7a ch\u00fang t\u00f4i tu\u00e2n th\u1ee7 ch\u1ee9ng nh\u1eadn ch\u1ed1ng ch\u00e1y n\u1ed5 ATEX v\u00e0 c\u00f3 d\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng 24 gi\u1edd.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

5. Tri\u1ec3n v\u1ecdng t\u01b0\u01a1ng lai<\/strong><\/h2>\n\n\n\n

Khi c\u00e1c ng\u00e0nh n\u0103ng l\u01b0\u1ee3ng v\u00e0 d\u01b0\u1ee3c ph\u1ea9m sinh h\u1ecdc m\u1edbi ph\u00e1t tri\u1ec3n, Epic Powder s\u1ebd \u0111\u00e0o s\u00e2u nghi\u00ean c\u1ee9u v\u1ec1 c\u00f4ng ngh\u1ec7 nghi\u1ec1n si\u00eau m\u1ecbn v\u00e0 ch\u1ebf t\u1ea1o v\u1eadt li\u1ec7u nano, t\u1ed1i \u01b0u h\u00f3a c\u00e1c th\u00f4ng s\u1ed1 c\u1ee7a m\u00e1y nghi\u1ec1n kh\u00ed v\u00e0 n\u00e2ng c\u1ea5p m\u00e1y nghi\u1ec1n kh\u00ed ch\u1ed1ng ch\u00e1y n\u1ed5 th\u00e0nh c\u00e1c gi\u1ea3i ph\u00e1p th\u00f4ng minh, kh\u00f4ng ph\u00e1t th\u1ea3i carbon.<\/p>\n\n\n\n

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