{"id":16471,"date":"2026-01-20T07:59:53","date_gmt":"2026-01-20T07:59:53","guid":{"rendered":"https:\/\/www.epicmicron.com\/?p=16471"},"modified":"2026-01-20T08:04:33","modified_gmt":"2026-01-20T08:04:33","slug":"how-to-control-lithium-iron-phosphate-particle-size-with-an-air-jet-mill","status":"publish","type":"post","link":"https:\/\/www.epicmicron.com\/vi\/how-to-control-lithium-iron-phosphate-particle-size-with-an-air-jet-mill\/","title":{"rendered":"C\u00e1ch ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t Lithium Iron Phosphate b\u1eb1ng m\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n"},"content":{"rendered":"

Hi\u1ec3u v\u1ec1 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y nghi\u1ec1n phun t\u1ea7ng s\u00f4i<\/mark><\/h2>\n\n\n\n

Khi ch\u00fang ta x\u1eed l\u00fd Lithium S\u1eaft Photphat (LFP)<\/strong>, \u0110\u1ed9 tinh khi\u1ebft v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 th\u1ecfa hi\u1ec7p. Ch\u00fang t\u00f4i d\u1ef1a v\u00e0o... M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c t\u1ea7ng s\u00f4i<\/strong> So v\u1edbi m\u00e1y nghi\u1ec1n xo\u1eafn \u1ed1c truy\u1ec1n th\u1ed1ng, m\u00e1y n\u00e0y gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c hai v\u1ea5n \u0111\u1ec1 l\u1edbn nh\u1ea5t trong s\u1ea3n xu\u1ea5t v\u1eadt li\u1ec7u pin: \u00f4 nhi\u1ec5m v\u00e0 m\u00e0i m\u00f2n kh\u00f4ng \u0111\u1ec1u. M\u00e1y nghi\u1ec1n xo\u1eafn \u1ed1c th\u01b0\u1eddng nghi\u1ec1n v\u1eadt li\u1ec7u v\u00e0o th\u00e0nh bu\u1ed3ng, d\u1eabn \u0111\u1ebfn m\u00e0i m\u00f2n thi\u1ebft b\u1ecb cao v\u00e0 \u00f4 nhi\u1ec5m kim lo\u1ea1i.<\/p>\n\n\n\n

Ng\u01b0\u1ee3c l\u1ea1i, thi\u1ebft k\u1ebf bu\u1ed3ng t\u1ea7ng s\u00f4i c\u1ee7a ch\u00fang t\u00f4i t\u1eadp trung n\u0103ng l\u01b0\u1ee3ng v\u00e0o trung t\u00e2m bu\u1ed3ng. C\u1ea5u h\u00ecnh n\u00e0y cho ph\u00e9p ch\u00fang t\u00f4i l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng to\u00e0n di\u1ec7n. l\u1edbp l\u00f3t g\u1ed1m<\/strong> ho\u1eb7c l\u1edbp ph\u1ee7 polyurethane tr\u00ean th\u00e0nh b\u00ean trong, \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u cat\u1ed1t kh\u00f4ng bao gi\u1edd ti\u1ebfp x\u00fac v\u1edbi kim lo\u1ea1i. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng pin cao c\u1ea5p, c\u1ea5u tr\u00fac n\u00e0y l\u00e0 c\u00e1ch duy nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tinh khi\u1ebft c\u1ea7n thi\u1ebft cho hi\u1ec7u su\u1ea5t \u0111i\u1ec7n h\u00f3a t\u1ed1i \u01b0u.<\/p>\n\n\n\n

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

V\u1eadt l\u00fd c\u1ee7a qu\u00e1 tr\u00ecnh t\u1ef1 m\u00e0i m\u00f2n gi\u1eefa c\u00e1c h\u1ea1t<\/mark><\/h3>\n\n\n\n

\u01afu \u0111i\u1ec3m c\u1ed1t l\u00f5i c\u1ee7a h\u1ec7 th\u1ed1ng ch\u00fang t\u00f4i n\u1eb1m \u1edf ch\u1ed7: t\u1ef1 nghi\u1ec1n h\u1ea1t-h\u1ea1t<\/strong>. Ch\u00fang t\u00f4i kh\u00f4ng s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u m\u00e0i nh\u01b0 h\u1ea1t ho\u1eb7c bi. Thay v\u00e0o \u0111\u00f3, ch\u00fang t\u00f4i b\u01a1m kh\u00ed n\u00e9n qua c\u00e1c v\u00f2i phun \u0111\u1ec3 t\u1ea1o ra... lu\u1ed3ng kh\u00f4ng kh\u00ed si\u00eau \u00e2m<\/strong>. \u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng t\u1ed1c c\u00e1c h\u1ea1t LFP, khi\u1ebfn ch\u00fang va ch\u1ea1m v\u1edbi nhau \u1edf v\u1eadn t\u1ed1c cao t\u1ea1i trung t\u00e2m c\u1ee7a l\u1edbp v\u1eadt li\u1ec7u t\u1ea7ng s\u00f4i.<\/p>\n\n\n\n

L\u1ef1c nghi\u1ec1n \u0111\u1ebfn t\u1eeb kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ee7a ch\u00ednh c\u00e1c h\u1ea1t. V\u00ec v\u1eadt li\u1ec7u kh\u00f4ng b\u1ecb nghi\u1ec1n n\u00e1t b\u1edfi c\u00e1c b\u1ed9 ph\u1eadn th\u00e9p n\u1eb7ng, ch\u00fang ta duy tr\u00ec \u0111\u01b0\u1ee3c h\u00ecnh th\u00e1i h\u1ea1t t\u1ed1t h\u01a1n. V\u1eadt li\u1ec7u m\u00e0i m\u00f2n LFP t\u1ef1 m\u00e0i m\u00f2n ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y m\u00f3c c\u1ee7a ch\u00fang ta.<\/p>\n\n\n\n

\"m\u00e1y
M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c t\u1ea7ng s\u00f4i<\/mark><\/strong> b\u1edfi Epic Powder<\/figcaption><\/figure>\n\n\n\n

Vai tr\u00f2 c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i tuabin nh\u01b0 m\u1ed9t ng\u01b0\u1eddi g\u00e1c c\u1ed5ng v\u1ec1 k\u00edch th\u01b0\u1edbc<\/mark><\/h3>\n\n\n\n

C\u00e1c B\u1ed9 ph\u00e2n lo\u1ea1i tuabin<\/strong> \u0110\u00e2y l\u00e0 b\u1ed9 n\u00e3o c\u1ee7a to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh. N\u1eb1m \u1edf ph\u00eda tr\u00ean bu\u1ed3ng nghi\u1ec1n, b\u00e1nh xe n\u1eb1m ngang n\u00e0y quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c nh\u1eefng h\u1ea1t n\u00e0o \u0111\u1ee7 m\u1ecbn \u0111\u1ec3 r\u1eddi kh\u1ecfi h\u1ec7 th\u1ed1ng v\u00e0 nh\u1eefng h\u1ea1t n\u00e0o c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u00eam.<\/p>\n\n\n\n

N\u00f3 ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean s\u1ef1 c\u00e2n b\u1eb1ng c\u00e1c l\u1ef1c l\u01b0\u1ee3ng:<\/p>\n\n\n\n

L\u1ef1c ly t\u00e2m:<\/strong> \u0110\u01b0\u1ee3c t\u1ea1o ra b\u1edfi b\u00e1nh xe quay, \u0111\u1ea9y c\u00e1c h\u1ea1t th\u00f4 tr\u1edf l\u1ea1i xu\u1ed1ng.<\/p>\n\n\n\n

L\u1ef1c c\u1ea3n:<\/strong> \u0110\u01b0\u1ee3c t\u1ea1o ra b\u1edfi lu\u1ed3ng kh\u00f4ng kh\u00ed, cu\u1ed1n theo c\u00e1c h\u1ea1t m\u1ecbn.<\/p>\n\n\n\n

    \n
  1. <\/li>\n<\/ol>\n\n\n\n

    B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed5i t\u1ea7n s\u1ed1<\/strong>, Ch\u00fang ta c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c t\u1ed1c \u0111\u1ed9 c\u1ee7a b\u00e1nh xe n\u00e0y. N\u1ebfu m\u1ed9t h\u1ea1t qu\u00e1 l\u1edbn, l\u1ef1c ly t\u00e2m s\u1ebd \u0111\u1ea9y n\u00f3 ra, \u0111\u01b0a n\u00f3 tr\u1edf l\u1ea1i t\u1ea7ng ch\u1ea5t l\u1ecfng \u0111\u1ec3 nghi\u1ec1n th\u00eam. Ch\u1ec9 khi h\u1ea1t \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau ch\u00ed c\u1ee5 th\u1ec3 c\u1ee7a ch\u00fang ta th\u00ec n\u00f3 m\u1edbi \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o. Ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t (PSD)<\/strong> Y\u00eau c\u1ea7u l\u00e0 l\u1ef1c c\u1ea3n ph\u1ea3i v\u01b0\u1ee3t qua l\u1ef1c ly t\u00e2m, cho ph\u00e9p n\u00f3 \u0111i qua b\u1ed9 thu b\u1ee5i xung. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o ch\u00fang ta \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u01b0\u1eddng cong PSD d\u1ed1c m\u00e0 kh\u00f4ng c\u00f3 "\u0111u\u00f4i th\u00f4" (D90 cao) l\u00e0m gi\u1ea3m m\u1eadt \u0111\u1ed9 pin.<\/p>\n\n\n\n

    \u0110i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 b\u00e1nh xe ph\u00e2n lo\u1ea1i <\/mark><\/h2>\n\n\n\n

    \u1ea2nh h\u01b0\u1edfng c\u1ee7a t\u1ed1c \u0111\u1ed9 quay (RPM) \u0111\u1ebfn l\u1ef1c ly t\u00e2m v\u00e0 \u0111\u1ed9 m\u1ecbn<\/mark><\/h3>\n\n\n\n
    \"\"<\/figure>\n\n\n\n

    Trong h\u1ec7 th\u1ed1ng m\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n c\u1ee7a ch\u00fang t\u00f4i, b\u00e1nh xe ph\u00e2n lo\u1ea1i \u0111\u00f3ng vai tr\u00f2 nh\u01b0 ng\u01b0\u1eddi g\u00e1c c\u1ed5ng cu\u1ed1i c\u00f9ng cho k\u00edch th\u01b0\u1edbc h\u1ea1t. N\u00f3 quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c nh\u1eefng g\u00ec r\u1eddi kh\u1ecfi bu\u1ed3ng v\u00e0 nh\u1eefng g\u00ec \u0111\u01b0\u1ee3c \u0111\u01b0a tr\u1edf l\u1ea1i \u0111\u1ec3 nghi\u1ec1n m\u1ecbn h\u01a1n n\u1eefa. B\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh... T\u1ed1c \u0111\u1ed9 quay c\u1ee7a b\u00e1nh xe ph\u00e2n lo\u1ea1i (RPM)<\/strong>, Ch\u00fang t\u00f4i tr\u1ef1c ti\u1ebfp \u0111i\u1ec1u khi\u1ec3n tr\u01b0\u1eddng l\u1ef1c ly t\u00e2m trong khu v\u1ef1c ph\u00e2n lo\u1ea1i.<\/p>\n\n\n\n

    Khi t\u0103ng t\u1ed1c \u0111\u1ed9, l\u1ef1c ly t\u00e2m s\u1ebd m\u1ea1nh l\u00ean, t\u1ea1o ra m\u1ed9t r\u00e0o c\u1ea3n l\u1edbn h\u01a1n, gi\u1eef l\u1ea1i c\u00e1c h\u1ea1t th\u00f4. Ch\u1ec9 nh\u1eefng h\u1ea1t m\u1ecbn nh\u1ea5t, \u0111\u1ee7 nh\u1eb9 \u0111\u1ec3 b\u1ecb l\u1ef1c c\u1ea3n c\u1ee7a lu\u1ed3ng kh\u00f4ng kh\u00ed cu\u1ed1n \u0111i, m\u1edbi c\u00f3 th\u1ec3 \u0111i qua. Ng\u01b0\u1ee3c l\u1ea1i, gi\u1ea3m t\u1ed1c \u0111\u1ed9 quay (RPM) cho ph\u00e9p c\u00e1c h\u1ea1t l\u1edbn h\u01a1n tho\u00e1t ra ngo\u00e0i. C\u01a1 ch\u1ebf n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi Lithium S\u1eaft Photphat (LFP)<\/strong>, Trong \u0111\u00f3, k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ed3ng nh\u1ea5t \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t \u0111i\u1ec7n h\u00f3a cu\u1ed1i c\u00f9ng c\u1ee7a pin.<\/p>\n\n\n\n

    \u0110i\u1ec1u ch\u1ec9nh t\u1ea7n s\u1ed1 \u0111\u1ec3 thay \u0111\u1ed5i gi\u00e1 tr\u1ecb D50 v\u00e0 D97<\/mark><\/h3>\n\n\n\n

    Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed5i t\u1ea7n s\u1ed1 ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 ph\u00e2n lo\u1ea1i. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 ph\u1ecfng \u0111o\u00e1n; m\u00e0 l\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c k\u1ef9 thu\u1eadt. B\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh t\u1ea7n s\u1ed1, ch\u00fang ta c\u00f3 th\u1ec3 d\u1ecbch chuy\u1ec3n Gi\u00e1 tr\u1ecb D50 v\u00e0 D97<\/strong> c\u1ee7a b\u1ed9t th\u00e0nh ph\u1ea9m v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n\n\n\n

    T\u1ea7n s\u1ed1 cao:<\/strong> L\u00e0m d\u1ecbch chuy\u1ec3n \u0111\u01b0\u1eddng cong v\u1ec1 ph\u00eda c\u00e1c h\u1ea1t m\u1ecbn h\u01a1n (D50 th\u1ea5p h\u01a1n).<\/p>\n\n\n\n

    T\u1ea7n s\u1ed1 th\u1ea5p:<\/strong> L\u00e0m d\u1ecbch chuy\u1ec3n \u0111\u01b0\u1eddng cong v\u1ec1 ph\u00eda c\u00e1c h\u1ea1t th\u00f4 h\u01a1n.<\/p>\n\n\n\n

    Kh\u1ea3 n\u0103ng n\u00e0y cho ph\u00e9p ch\u00fang t\u00f4i t\u00f9y ch\u1ec9nh Ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t (PSD)<\/strong> \u0110\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a kh\u00e1ch h\u00e0ng, cho d\u00f9 h\u1ecd c\u1ea7n ph\u00e2n b\u1ed1 h\u1eb9p cho c\u00e1c t\u1ebf b\u00e0o c\u00f4ng su\u1ea5t cao hay ph\u00e2n b\u1ed1 r\u1ed9ng h\u01a1n cho m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng cao. \u0110\u1ed9 ch\u00ednh x\u00e1c t\u01b0\u01a1ng t\u1ef1 c\u0169ng c\u1ea7n thi\u1ebft khi x\u00e1c \u0111\u1ecbnh C\u00e1ch ch\u1ecdn m\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n t\u1ed1t nh\u1ea5t cho b\u1ed9t NdFeB<\/a>, Trong \u0111\u00f3, c\u00e1c t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o s\u1ef1 \u0111\u1ed3ng nh\u1ea5t ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c h\u1ea1t.<\/p>\n\n\n\n

    C\u00e2n b\u1eb1ng t\u1ed1c \u0111\u1ed9 \u0111\u1ec3 tr\u00e1nh c\u1eaft qu\u00e1 m\u1ee9c<\/mark><\/h3>\n\n\n\n

    M\u1eb7c d\u00f9 t\u1ed1c \u0111\u1ed9 cao h\u01a1n t\u1ea1o ra b\u1ed9t m\u1ecbn h\u01a1n, nh\u01b0ng v\u1eabn c\u00f3 gi\u1edbi h\u1ea1n. V\u1eadn h\u00e0nh m\u00e1y ph\u00e2n lo\u1ea1i qu\u00e1 nhanh c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn... xay qu\u00e1 k\u1ef9<\/strong>, Vi\u1ec7c c\u1eaft qu\u00e1 m\u1ee9c t\u1ea1o ra l\u01b0\u1ee3ng "b\u1ee5i m\u1ecbn" (b\u1ee5i si\u00eau m\u1ecbn) qu\u00e1 l\u1edbn, \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn m\u1eadt \u0111\u1ed9 n\u00e9n c\u1ee7a v\u1eadt li\u1ec7u LFP. C\u1eaft qu\u00e1 m\u1ee9c c\u0169ng l\u00e0m gi\u1ea3m n\u0103ng su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a m\u00e1y nghi\u1ec1n, d\u1eabn \u0111\u1ebfn t\u1ed5n th\u1ea5t s\u1ea3n l\u01b0\u1ee3ng. Ch\u00fang t\u00f4i t\u1eadp trung v\u00e0o vi\u1ec7c t\u00ecm ki\u1ebfm s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1c \u0111\u1ed9 quay t\u1ed1i \u01b0u \u2014 \u0111\u1ee7 nhanh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u l\u01b0\u1edbi l\u1ecdc t\u1eeb 325 \u0111\u1ebfn 3000 mesh, nh\u01b0ng \u0111\u1ee7 ki\u1ec3m so\u00e1t \u0111\u1ec3 duy tr\u00ec c\u00f4ng su\u1ea5t cao v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

    \u0110i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t m\u00e0i cho LFP<\/mark><\/h2>\n\n\n\n

    Ki\u1ec3m so\u00e1t \u00e1p l\u1ef1c m\u00e0i<\/strong> V\u1ec1 c\u01a1 b\u1ea3n, \u0111\u00f3 l\u00e0 vi\u1ec7c qu\u1ea3n l\u00fd \u0111\u1ed9ng n\u0103ng b\u00ean trong bu\u1ed3ng nghi\u1ec1n. Trong h\u1ec7 th\u1ed1ng c\u1ee7a ch\u00fang t\u00f4i... M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c t\u1ea7ng s\u00f4i<\/strong>, Kh\u00f4ng kh\u00ed n\u00e9n \u0111\u01b0\u1ee3c t\u0103ng t\u1ed1c qua c\u00e1c v\u00f2i phun \u0111\u1ec3 t\u1ea1o ra lu\u1ed3ng kh\u00ed si\u00eau \u00e2m. Lu\u1ed3ng kh\u00ed n\u00e0y \u0111\u1ea9y c\u00e1c h\u1ea1t Lithium Iron Phosphate (LFP) va ch\u1ea1m v\u1edbi nhau. M\u1ee5c ti\u00eau l\u00e0 t\u1ea1o ra \u0111\u1ee7 l\u1ef1c \u0111\u1ec3 nghi\u1ec1n nh\u1ecf v\u1eadt li\u1ec7u \u0111\u1ebfn \u0111\u1ed9 m\u1ecbn mong mu\u1ed1n m\u00e0 kh\u00f4ng ph\u00e1 v\u1ee1 c\u1ea5u tr\u00fac tinh th\u1ec3, y\u1ebfu t\u1ed1 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t \u0111i\u1ec7n h\u00f3a.<\/p>\n\n\n\n

    \"T\u1ebf<\/figure>\n\n\n\n

    \u0110\u1ed9ng n\u0103ng so v\u1edbi c\u1ea5u tr\u00fac tinh th\u1ec3<\/mark><\/h3>\n\n\n\n

    N\u1ebfu \u00e1p su\u1ea5t qu\u00e1 th\u1ea5p, c\u00e1c h\u1ea1t s\u1ebd kh\u00f4ng c\u00f3 \u0111\u1ee7 \u0111\u1ed9ng n\u0103ng \u0111\u1ec3 v\u1ee1 ra khi va ch\u1ea1m, d\u1eabn \u0111\u1ebfn hi\u1ec7u su\u1ea5t th\u1ea5p v\u00e0 s\u1ea3n ph\u1ea9m th\u00f4. Tuy nhi\u00ean, \u00e1p su\u1ea5t qu\u00e1 cao c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i. Nghi\u1ec1n qu\u00e1 m\u1ee9c kh\u00f4ng ch\u1ec9 l\u00e3ng ph\u00ed n\u0103ng l\u01b0\u1ee3ng m\u00e0 c\u00f2n c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng h\u00ecnh th\u00e1i b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t LFP. Gi\u1ed1ng nh\u01b0 ch\u00fang ta th\u1ea5y khi \u0111\u1ecbnh ngh\u0129a... c\u00e1c th\u00f4ng s\u1ed1 c\u1ed1t l\u00f5i c\u1ee7a than ch\u00ec nh\u01b0 m\u1ed9t v\u1eadt li\u1ec7u \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng<\/a>, \u0110\u1ed9 ch\u00ednh x\u00e1c trong c\u00e0i \u0111\u1eb7t \u00e1p su\u1ea5t l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n pin. Ch\u00fang ta ph\u1ea3i t\u00ecm ra s\u1ef1 c\u00e2n b\u1eb1ng sao cho c\u00e1c h\u1ea1t t\u1ef1 m\u00e0i (t\u1ef1 nghi\u1ec1n) m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 m\u00e0 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh v\u1ed1n c\u00f3 c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

    Ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u<\/mark><\/h3>\n\n\n\n

    \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng LFP, ch\u00fang t\u00f4i nh\u1eadn th\u1ea5y \u00e1p su\u1ea5t m\u00e0i t\u1ed1i \u01b0u th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng gi\u1eefa... 0,6 v\u00e0 0,8 MPa<\/strong>.<\/p>\n\n\n\n

    0,6 MPa:<\/strong> Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c y\u00eau c\u1ea7u c\u00f3 \u0111\u1ed9 th\u00f4 cao h\u01a1n m\u1ed9t ch\u00fat ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u ti\u1ec1n ch\u1ea5t d\u1ec5 v\u1ee1 h\u01a1n.<\/p>\n\n\n\n

    0,8 MPa:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng khi nh\u1eafm \u0111\u1ebfn k\u00edch th\u01b0\u1edbc h\u1ea1t si\u00eau m\u1ecbn (D50 < 2\u03bcm) ho\u1eb7c khi x\u1eed l\u00fd c\u00e1c v\u1eadt li\u1ec7u thi\u00eau k\u1ebft c\u1ee9ng h\u01a1n.<\/p>\n\n\n\n

    Vi\u1ec7c duy tr\u00ec trong ph\u1ea1m vi n\u00e0y \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh. lu\u1ed3ng kh\u00f4ng kh\u00ed si\u00eau \u00e2m<\/strong> \u0110i\u1ec1u n\u00e0y gi\u00fap t\u1ed1i \u0111a h\u00f3a x\u00e1c su\u1ea5t va ch\u1ea1m gi\u1eefa c\u00e1c h\u1ea1t t\u1ea1i ti\u00eau \u0111i\u1ec3m c\u1ee7a bu\u1ed3ng.<\/p>\n\n\n\n

    \u0110i\u1ec1u ch\u1ec9nh h\u00ecnh d\u1ea1ng v\u00f2i phun<\/mark><\/h3>\n\n\n\n

    Ngo\u00e0i c\u00e0i \u0111\u1eb7t \u00e1p su\u1ea5t, thi\u1ebft k\u1ebf v\u1eadt l\u00fd c\u1ee7a v\u00f2i phun \u0111\u00f3ng vai tr\u00f2 r\u1ea5t l\u1edbn trong c\u01b0\u1eddng \u0111\u1ed9 t\u00e1c \u0111\u1ed9ng. Ch\u00fang ta c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh... h\u00ecnh d\u1ea1ng v\u00f2i phun<\/strong> v\u00e0 \u0111i\u1ec1u ch\u1ec9nh g\u00f3c \u0111\u1ec3 t\u1eadp trung \u0111\u1ed9ng n\u0103ng m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c h\u01a1n.<\/p>\n\n\n\n

    C\u0103n ch\u1ec9nh \u0111i\u1ec3m tr\u1ecdng t\u00e2m:<\/strong> Vi\u1ec7c \u0111\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c v\u00f2i phun h\u1ed9i t\u1ee5 ch\u00ednh x\u00e1c t\u1ea1i t\u00e2m c\u1ee7a t\u1ea7ng ch\u1ea5t l\u1ecfng s\u1ebd t\u1ed1i \u0111a h\u00f3a hi\u1ec7u qu\u1ea3 va ch\u1ea1m.<\/p>\n\n\n\n

    \u0110\u01b0\u1eddng k\u00ednh v\u00f2i phun:<\/strong> Vi\u1ec7c thay \u0111\u1ed5i \u0111\u01b0\u1eddng k\u00ednh s\u1ebd l\u00e0m thay \u0111\u1ed5i v\u1eadn t\u1ed1c c\u1ee7a lu\u1ed3ng kh\u00ed. V\u00f2i phun nh\u1ecf h\u01a1n th\u01b0\u1eddng l\u00e0m t\u0103ng v\u1eadn t\u1ed1c (v\u00e0 l\u1ef1c t\u00e1c \u0111\u1ed9ng) \u1edf c\u00f9ng m\u1ed9t \u00e1p su\u1ea5t, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 m\u1ecbn cao h\u01a1n. Ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t (PSD)<\/strong>.<\/p>\n\n\n\n

    Qu\u1ea3n l\u00fd s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a t\u1ed1c \u0111\u1ed9 c\u1ea5p li\u1ec7u<\/mark><\/h2>\n\n\n\n

    T\u00ednh nh\u1ea5t qu\u00e1n l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd. Lithium S\u1eaft Photphat (LFP)<\/strong>. B\u1ea1n kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng nh\u1ea5t. Ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t (PSD)<\/strong> N\u1ebfu \u0111\u1ea7u v\u00e0o c\u1ee7a b\u1ea1n bi\u1ebfn \u0111\u1ed9ng. Theo kinh nghi\u1ec7m c\u1ee7a t\u00f4i, vi\u1ec7c duy tr\u00ec m\u1ed9t m\u1ee9c \u0111\u1ea7u v\u00e0o \u1ed5n \u0111\u1ecbnh l\u00e0 r\u1ea5t quan tr\u1ecdng. t\u1ef7 l\u1ec7 kh\u00ed tr\u00ean ch\u1ea5t r\u1eafn<\/strong> \u0110i\u1ec1u n\u00e0y c\u0169ng quan tr\u1ecdng kh\u00f4ng k\u00e9m \u00e1p su\u1ea5t nghi\u1ec1n. N\u0103ng l\u01b0\u1ee3ng do kh\u00ed n\u00e9n cung c\u1ea5p ph\u1ea3i \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 \u0111\u1ec1u kh\u1eafp kh\u1ed1i l\u01b0\u1ee3ng h\u1ea1t; n\u1ebfu t\u1ed1c \u0111\u1ed9 c\u1ea5p li\u1ec7u t\u0103ng \u0111\u1ed9t ng\u1ed9t, n\u0103ng l\u01b0\u1ee3ng tr\u00ean m\u1ed7i h\u1ea1t s\u1ebd gi\u1ea3m ngay l\u1eadp t\u1ee9c, d\u1eabn \u0111\u1ebfn b\u1ed9t kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t v\u00e0 th\u00f4 h\u01a1n.<\/p>\n\n\n\n

    H\u1eadu qu\u1ea3 c\u1ee7a t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i bu\u1ed3ng tim:<\/strong><\/p>\n\n\n\n

    M\u1ea5t \u0111i s\u1ef1 tinh t\u1ebf:<\/strong> Vi\u1ec7c qu\u00e1 t\u1ea3i bu\u1ed3ng nghi\u1ec1n t\u1ea1o ra hi\u1ec7u \u1ee9ng "\u0111\u1ec7m". C\u00e1c h\u1ea1t b\u1ecb d\u1ed3n qu\u00e1 nhi\u1ec1u n\u00ean kh\u00f4ng th\u1ec3 t\u0103ng t\u1ed1c \u0111\u00fang c\u00e1ch, l\u00e0m gi\u1ea3m l\u1ef1c t\u00e1c \u0111\u1ed9ng c\u1ea7n thi\u1ebft \u0111\u1ec3 nghi\u1ec1n m\u1ecbn hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

    Gi\u00e1 tr\u1ecb D90 kh\u00f4ng \u1ed5n \u0111\u1ecbnh:<\/strong> Khi bu\u1ed3ng ch\u1ee9a b\u1ecb \u0111\u1ea7y, b\u1ed9 ph\u1eadn ph\u00e2n lo\u1ea1i b\u00ean trong s\u1ebd kh\u00f3 lo\u1ea1i b\u1ecf c\u00e1c h\u1ea1t th\u00f4 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y. Gi\u00e1 tr\u1ecb D90<\/strong> tr\u00f4i n\u1ed5i l\u00ean tr\u00ean v\u00e0 l\u00e0m h\u1ecfng ch\u1ea5t l\u01b0\u1ee3ng l\u00f4 h\u00e0ng.<\/p>\n\n\n\n

    Thi\u1ebft b\u1ecb b\u1ecb ngh\u1eb9t:<\/strong> S\u1ef1 t\u00edch t\u1ee5 qu\u00e1 m\u1ee9c c\u00e1c ch\u1ea5t c\u1eb7n s\u1ebd l\u00e0m m\u1ea5t c\u00e2n b\u1eb1ng lu\u1ed3ng kh\u00f4ng kh\u00ed, c\u00f3 th\u1ec3 g\u00e2y t\u1eafc ngh\u1ebdn h\u1ec7 th\u1ed1ng v\u00e0 c\u1ea7n th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 l\u00e0m s\u1ea1ch.<\/p>\n\n\n\n

    \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, ch\u00fang t\u00f4i ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o... \u0110i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng PLC<\/strong>. Vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh th\u1ee7 c\u00f4ng \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng \u0111\u1ee7 nhanh \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u cat\u1ed1t hi\u1ec7u su\u1ea5t cao. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng B\u1ed9 c\u1ea5p li\u1ec7u v\u00edt \u0111i\u1ec1u khi\u1ec3n PLC<\/strong>, H\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 c\u1ea5p li\u1ec7u d\u1ef1a tr\u00ean t\u1ea3i tr\u1ecdng hi\u1ec7n t\u1ea1i c\u1ee7a m\u00e1y nghi\u1ec1n (th\u01b0\u1eddng b\u1eb1ng c\u00e1ch theo d\u00f5i d\u00f2ng \u0111i\u1ec7n \u0111\u1ed9ng c\u01a1 b\u1ed9 ph\u00e2n lo\u1ea1i ho\u1eb7c \u00e1p su\u1ea5t b\u00ean trong). \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o s\u1ef1 c\u00e2n b\u1eb1ng, cho ph\u00e9p h\u1ec7 th\u1ed1ng ph\u00e2n lo\u1ea1i b\u00ean trong ho\u1ea1t \u0111\u1ed9ng v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng chuy\u00ean d\u1ee5ng. b\u1ed9 t\u00e1ch kh\u00ed<\/a>. Quy \u0111\u1ecbnh t\u1ef1 \u0111\u1ed9ng n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng LFP<\/strong> Nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ed9ng n\u0103ng \u1ed5n \u0111\u1ecbnh trong su\u1ed1t qu\u00e1 tr\u00ecnh, gi\u00fap \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc h\u1ea1t cu\u1ed1i c\u00f9ng v\u00e0 ng\u0103n ng\u1eeba xay qu\u00e1 k\u1ef9<\/strong> ho\u1eb7c xay ch\u01b0a k\u1ef9.<\/p>\n\n\n\n

    \u0110i\u1ec1u khi\u1ec3n l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed v\u00e0 l\u1ef1c c\u1ea3n c\u1ee7a h\u1ec7 th\u1ed1ng<\/mark><\/h2>\n\n\n\n

    Lu\u1ed3ng kh\u00f4ng kh\u00ed do qu\u1ea1t h\u00fat c\u1ee7a h\u1ec7 th\u1ed1ng t\u1ea1o ra l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n \u0111\u01b0a b\u1ed9t LFP ra kh\u1ecfi bu\u1ed3ng nghi\u1ec1n v\u00e0 v\u00e0o h\u1ec7 th\u1ed1ng thu gom. Vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh lu\u1ed3ng kh\u00f4ng kh\u00ed n\u00e0y c\u0169ng quan tr\u1ecdng nh\u01b0 vi\u1ec7c thi\u1ebft l\u1eadp t\u1ed1c \u0111\u1ed9 quay c\u1ee7a b\u00e1nh m\u00e0i v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn... l\u1ef1c c\u1ea3n<\/strong> t\u00e1c \u0111\u1ed9ng l\u00ean c\u00e1c h\u1ea1t. Trong h\u1ec7 th\u1ed1ng m\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n c\u1ee7a ch\u00fang t\u00f4i, ch\u00fang t\u00f4i coi th\u1ec3 t\u00edch lu\u1ed3ng kh\u00ed l\u00e0 m\u1ed9t bi\u1ebfn s\u1ed1 ch\u00ednh x\u00e1c, ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t thi\u1ebft l\u1eadp c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n

    \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau Ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t (PSD)<\/strong>, Ch\u00fang ta ph\u1ea3i c\u00e2n b\u1eb1ng hai l\u1ef1c l\u01b0\u1ee3ng \u0111\u1ed1i l\u1eadp trong b\u1ed9 ph\u00e2n lo\u1ea1i:<\/p>\n\n\n\n

    L\u1ef1c ly t\u00e2m:<\/strong> L\u1ef1c n\u00e0y, \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi b\u00e1nh xe ph\u00e2n lo\u1ea1i quay, \u0111\u1ea9y c\u00e1c h\u1ea1t n\u1eb7ng h\u01a1n, th\u00f4 h\u01a1n v\u1ec1 ph\u00eda th\u00e0nh ngo\u00e0i \u0111\u1ec3 \u0111\u01b0\u1ee3c nghi\u1ec1n l\u1ea1i.<\/p>\n\n\n\n

    L\u1ef1c c\u1ea3n kh\u00ed \u0111\u1ed9ng h\u1ecdc:<\/strong> \u0110\u01b0\u1ee3c t\u1ea1o ra b\u1edfi l\u1ef1c h\u00fat c\u1ee7a qu\u1ea1t th\u00f4ng gi\u00f3, l\u1ef1c n\u00e0y k\u00e9o c\u00e1c h\u1ea1t nh\u1eb9 h\u01a1n, m\u1ecbn h\u01a1n \u0111i qua c\u00e1c c\u00e1nh ph\u00e2n lo\u1ea1i \u0111\u1ec3 thu gom.<\/p>\n\n\n\n

    Khi ch\u00fang ta t\u0103ng l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed th\u00f4ng qua qu\u1ea1t h\u00fat, l\u1ef1c c\u1ea3n s\u1ebd t\u0103ng l\u00ean. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00e1c h\u1ea1t l\u1edbn h\u01a1n m\u1ed9t ch\u00fat v\u01b0\u1ee3t qua l\u1ef1c ly t\u00e2m v\u00e0 tho\u00e1t ra kh\u1ecfi m\u00e1y nghi\u1ec1n, c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m cho k\u00edch th\u01b0\u1edbc h\u1ea1t th\u00f4 h\u01a1n. Ng\u01b0\u1ee3c l\u1ea1i, gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed s\u1ebd l\u00e0m t\u0103ng t\u00e1c \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a l\u1ef1c ly t\u00e2m, d\u1eabn \u0111\u1ebfn s\u1ea3n ph\u1ea9m m\u1ecbn h\u01a1n nh\u01b0ng c\u00f3 kh\u1ea3 n\u0103ng n\u0103ng su\u1ea5t th\u1ea5p h\u01a1n. S\u1ef1 c\u00e2n b\u1eb1ng tinh t\u1ebf n\u00e0y l\u00e0 c\u1ed1t l\u00f5i c\u1ee7a quy tr\u00ecnh c\u1ee7a ch\u00fang t\u00f4i. c\u00f4ng ngh\u1ec7 ph\u00e2n lo\u1ea1i v\u00e0 t\u00e1ch bi\u1ec7t<\/a>, \u0111\u1ea3m b\u1ea3o ch\u1ec9 nh\u1eefng h\u1ea1t LFP \u0111\u00e1p \u1ee9ng ch\u00ednh x\u00e1c c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a b\u1ea1n m\u1edbi \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t trong khi v\u1eabn duy tr\u00ec t\u1ed1c \u0111\u1ed9 s\u1ea3n xu\u1ea5t hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

    T\u1ed1i \u01b0u h\u00f3a ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t (PSD) v\u00e0 m\u1eadt \u0111\u1ed9<\/mark><\/h2>\n\n\n\n

    Trong qu\u00e1 tr\u00ecnh gia c\u00f4ng v\u1eadt li\u1ec7u pin, t\u00ednh nh\u1ea5t qu\u00e1n c\u0169ng quan tr\u1ecdng kh\u00f4ng k\u00e9m \u0111\u1ed9 tinh khi\u1ebft. Ch\u00fang t\u00f4i t\u1eadp trung m\u1ea1nh v\u00e0o vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 nh\u1ea5t qu\u00e1n cao nh\u1ea5t. ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1eb9p (PSD)<\/strong>, Th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u01b0\u1eddng cong \u201cd\u1ed1c\u201d. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng ph\u1ea7n l\u1edbn c\u00e1c h\u1ea1t Lithium Iron Phosphate (LFP) t\u1eadp trung ch\u1eb7t ch\u1ebd xung quanh gi\u00e1 tr\u1ecb D50 m\u1ee5c ti\u00eau, thay v\u00ec ph\u00e2n t\u00e1n r\u1ed9ng r\u00e3i c\u00e1c h\u1ea1t th\u00f4 k\u00e9m hi\u1ec7u qu\u1ea3 ho\u1eb7c c\u00e1c h\u1ea1t si\u00eau m\u1ecbn kh\u00f4ng \u1ed5n \u0111\u1ecbnh. S\u1ea3n ph\u1ea9m chuy\u00ean d\u1ee5ng c\u1ee7a ch\u00fang t\u00f4i d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t Lithium S\u1eaft Photphat<\/a> S\u1eed d\u1ee5ng b\u1ed9 ph\u00e2n lo\u1ea1i t\u1ea7n s\u1ed1 \u0111\u1ed9 ch\u00ednh x\u00e1c cao \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c h\u1ea1t kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n b\u1eb1ng c\u01a1 h\u1ecdc, \u0111\u1ea3m b\u1ea3o \u0111\u1ea7u ra \u0111\u1ed3ng nh\u1ea5t, t\u1eeb \u0111\u00f3 n\u00e2ng cao hi\u1ec7u su\u1ea5t \u0111i\u1ec7n h\u00f3a.<\/p>\n\n\n\n

    C\u00e2n b\u1eb1ng gi\u1eefa h\u00ecnh d\u1ea1ng v\u00e0 dung t\u00edch<\/mark><\/h3>\n\n\n\n

    Ki\u1ec3m so\u00e1t h\u00ecnh d\u1ea1ng c\u1ee7a h\u1ea1t l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3. M\u1eadt \u0111\u1ed9 n\u00e9n<\/strong>. N\u1ebfu c\u00e1c h\u1ea1t qu\u00e1 kh\u00f4ng \u0111\u1ec1u ho\u1eb7c d\u1ec5 v\u1ee1, ch\u00fang s\u1ebd kh\u00f4ng s\u1eafp x\u1ebfp hi\u1ec7u qu\u1ea3, l\u00e0m gi\u1ea3m m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng th\u1ec3 t\u00edch c\u1ee7a pin th\u00e0nh ph\u1ea9m.<\/p>\n\n\n\n

    Va ch\u1ea1m gi\u1eefa c\u00e1c h\u1ea1t:<\/strong> Kh\u00e1c v\u1edbi c\u00e1c m\u00e1y nghi\u1ec1n c\u01a1 h\u1ecdc c\u1eaft v\u1eadt li\u1ec7u, m\u00e1y nghi\u1ec1n t\u1ea7ng s\u00f4i c\u1ee7a ch\u00fang t\u00f4i d\u1ef1a v\u00e0o s\u1ef1 va ch\u1ea1m gi\u1eefa c\u00e1c h\u1ea1t. Qu\u00e1 tr\u00ecnh t\u1ef1 m\u00e0i n\u00e0y gi\u00fap l\u00e0m m\u1ecbn c\u00e1c c\u1ea1nh s\u1eafc, g\u00f3p ph\u1ea7n c\u1ea3i thi\u1ec7n h\u1ec7 s\u1ed1 \u0111\u00f3ng g\u00f3i.<\/p>\n\n\n\n

    S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i gi\u1eefa \u0111\u1ed9 tinh t\u1ebf v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng:<\/strong> Lu\u00f4n c\u1ea7n ph\u1ea3i t\u00ecm ra s\u1ef1 c\u00e2n b\u1eb1ng. Nghi\u1ec1n \u0111\u1ebfn \u0111\u1ed9 si\u00eau m\u1ecbn (l\u00ean \u0111\u1ebfn 3000 mesh) l\u00e0m t\u0103ng di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang (BET), \u0111i\u1ec1u n\u00e0y t\u1ed1t cho \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n. Tuy nhi\u00ean, \u0111\u1ed9 m\u1ecbn qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m m\u1eadt \u0111\u1ed9 khi n\u00e9n. Ch\u00fang t\u00f4i gi\u00fap ng\u01b0\u1eddi v\u1eadn h\u00e0nh t\u00ecm ra "\u0111i\u1ec3m t\u1ed1i \u01b0u" n\u01a1i b\u1ed9t \u0111\u1ee7 m\u1ecbn \u0111\u1ec3 c\u00f3 \u0111\u1ed9 ph\u1ea3n \u1ee9ng cao nh\u01b0ng \u0111\u1ee7 \u0111\u1eb7c \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng.<\/p>\n\n\n\n

    \u0110\u1ea3m b\u1ea3o \u0111\u1ed9 tinh khi\u1ebft v\u1edbi l\u1edbp l\u00f3t g\u1ed1m<\/mark><\/h2>\n\n\n\n

    Khi x\u1eed l\u00fd Lithium Iron Phosphate (LFP), \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc h\u1ea1t ch\u00ednh x\u00e1c ch\u1ec9 l\u00e0 m\u1ed9t n\u1eeda th\u00e0nh c\u00f4ng; duy tr\u00ec \u0111\u1ed9 tinh khi\u1ebft tuy\u1ec7t \u0111\u1ed1i m\u1edbi l\u00e0 n\u1eeda c\u00f2n l\u1ea1i. Vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc D50 ho\u00e0n h\u1ea3o m\u00e0 b\u1ed9t l\u1ea1i b\u1ecb l\u1eabn c\u00e1c m\u1ea3nh v\u1ee5n kim lo\u1ea1i th\u00ec ch\u1eb3ng c\u00f3 \u00fd ngh\u0129a g\u00ec. Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p pin, vi\u1ec7c \u0111\u01b0a c\u00e1c nguy\u00ean t\u1ed1 kim lo\u1ea1i vi l\u01b0\u1ee3ng nh\u01b0 S\u1eaft (Fe), Crom (Cr) ho\u1eb7c Niken (Ni) v\u00e0o s\u1ebd g\u00e2y h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng cho hi\u1ec7u su\u1ea5t \u0111i\u1ec7n h\u00f3a v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0111o\u1ea3n m\u1ea1ch. \u0110\u1ec3 lo\u1ea1i b\u1ecf r\u1ee7i ro n\u00e0y, ch\u00fang t\u00f4i trang b\u1ecb cho m\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n c\u1ee7a m\u00ecnh h\u1ec7 th\u1ed1ng l\u1ecdc to\u00e0n di\u1ec7n. l\u1edbp l\u00f3t g\u1ed1m<\/strong>.<\/p>\n\n\n\n

    Thay v\u00ec s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 ph\u1eadn th\u00e9p ti\u00eau chu\u1ea9n, ch\u00fang t\u00f4i s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao nh\u01b0... Nh\u00f4m oxit (Alumina)<\/strong> V\u00e0 Zirconia<\/strong> \u0110\u1ec3 l\u00f3t to\u00e0n b\u1ed9 b\u00ean trong thi\u1ebft b\u1ecb. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec qu\u00e1 tr\u00ecnh nghi\u1ec1n d\u1ef1a v\u00e0o s\u1ef1 va \u0111\u1eadp m\u1ea1nh, t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec3 ph\u00e1 v\u1ee1 c\u00e1c h\u1ea1t. B\u1eb1ng c\u00e1ch ph\u1ee7 k\u00edn bu\u1ed3ng nghi\u1ec1n v\u00e0... m\u00e1y ph\u00e2n lo\u1ea1i ly t\u00e2m<\/a><\/strong> V\u1edbi b\u00e1nh m\u00e0i s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u g\u1ed1m ti\u00ean ti\u1ebfn n\u00e0y, ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o r\u1eb1ng v\u1eadt li\u1ec7u LFP ch\u1ec9 ti\u1ebfp x\u00fac v\u1edbi ch\u00ednh n\u00f3 ho\u1eb7c b\u1ec1 m\u1eb7t g\u1ed1m, ch\u1ee9 kh\u00f4ng bao gi\u1edd ti\u1ebfp x\u00fac v\u1edbi th\u00e2n m\u00e1y b\u1eb1ng kim lo\u1ea1i. C\u1ea5u h\u00ecnh n\u00e0y cho ph\u00e9p ch\u00fang t\u00f4i ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 th\u00f4ng qua qu\u00e1 tr\u00ecnh nghi\u1ec1n \u00e1p su\u1ea5t cao, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o b\u1ed9t th\u00e0nh ph\u1ea9m kh\u00f4ng b\u1ecb nhi\u1ec5m b\u1ea9n kim lo\u1ea1i.<\/p>\n\n\n\n

    Qu\u1ea3n l\u00fd m\u00f4i tr\u01b0\u1eddng kh\u00ed tr\u01a1<\/mark><\/h2>\n\n\n\n

    Khi x\u1eed l\u00fd c\u00e1c v\u1eadt li\u1ec7u pin nh\u1ea1y c\u1ea3m nh\u01b0 Lithium Iron Phosphate, ch\u00fang ta kh\u00f4ng th\u1ec3 d\u1ef1a v\u00e0o kh\u00f4ng kh\u00ed xung quanh th\u00f4ng th\u01b0\u1eddng do nguy c\u01a1 oxy h\u00f3a v\u00e0 h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m cao. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, ch\u00fang t\u00f4i \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p sau: b\u1ea3o v\u1ec7 kh\u00ed tr\u01a1<\/strong> trong c\u00e1c m\u1ea1ch nghi\u1ec1n c\u1ee7a ch\u00fang t\u00f4i. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng thi\u1ebft k\u1ebf kh\u00e9p k\u00edn ho\u00e0n to\u00e0n trong h\u1ec7 th\u1ed1ng c\u1ee7a ch\u00fang t\u00f4i h\u1ec7 th\u1ed1ng m\u00e1y nghi\u1ec1n tia n\u01b0\u1edbc<\/a>, Ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u duy tr\u00ec c\u00e1c \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n h\u00f3a quan tr\u1ecdng c\u1ee7a n\u00f3 trong su\u1ed1t qu\u00e1 tr\u00ecnh nghi\u1ec1n.<\/p>\n\n\n\n

    C\u00e1c y\u1ebfu t\u1ed1 ki\u1ec3m so\u00e1t ch\u00ednh \u0111\u1ed1i v\u1edbi s\u1ef1 \u1ed5n \u0111\u1ecbnh kh\u00ed quy\u1ec3n bao g\u1ed3m:<\/p>\n\n\n\n

    Ch\u00fang t\u00f4i thay th\u1ebf kh\u00ed n\u00e9n ti\u00eau chu\u1ea9n b\u1eb1ng nit\u01a1 l\u00e0m m\u00f4i tr\u01b0\u1eddng nghi\u1ec1n. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u00f4i tr\u01b0\u1eddng thi\u1ebfu oxy, ng\u0103n ng\u1eeba b\u1ed9t LFP b\u1ecb oxy h\u00f3a ho\u1eb7c ph\u1ea3n \u1ee9ng trong qu\u00e1 tr\u00ecnh va \u0111\u1eadp n\u0103ng l\u01b0\u1ee3ng cao. Ch\u00fang t\u00f4i t\u00edch h\u1ee3p c\u00e1c c\u1ea3m bi\u1ebfn ch\u00ednh x\u00e1c \u0111\u1ec3 li\u00ean t\u1ee5c theo d\u00f5i n\u1ed3ng \u0111\u1ed9 oxy b\u00ean trong bu\u1ed3ng. H\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u1ec3 duy tr\u00ec n\u1ed3ng \u0111\u1ed9 oxy c\u1ef1c th\u1ea5p (t\u00ednh b\u1eb1ng PPM), \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a v\u1eadt li\u1ec7u cat\u1ed1t kh\u00f4ng bao gi\u1edd b\u1ecb \u1ea3nh h\u01b0\u1edfng. LFP r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi n\u01b0\u1edbc. H\u1ec7 th\u1ed1ng v\u00f2ng k\u00edn c\u1ee7a ch\u00fang t\u00f4i ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd \u0111\u1ed9 \u1ea9m, ng\u0103n ng\u1eeba s\u1ef1 suy tho\u00e1i LFP<\/strong> v\u00e0 \u0111\u1ea3m b\u1ea3o b\u1ed9t th\u00e0nh ph\u1ea9m v\u1eabn kh\u00f4 r\u00e1o v\u00e0 d\u1ec5 ch\u1ea3y.<\/p>\n\n\n\n

    Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 gia c\u00f4ng phay LFP (C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p)<\/mark><\/h2>\n\n\n\n

    Ngay c\u1ea3 v\u1edbi thi\u1ebft b\u1ecb h\u00e0ng \u0111\u1ea7u, ng\u01b0\u1eddi v\u1eadn h\u00e0nh v\u1eabn g\u1eb7p kh\u00f3 kh\u0103n khi nh\u1eafm \u0111\u1ebfn c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt si\u00eau ch\u00ednh x\u00e1c cho v\u1eadt li\u1ec7u pin. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch ch\u00fang t\u00f4i gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p \u0111\u1ec3 duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n. Ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t (PSD)<\/strong> v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m \u0111\u1ea7u ra cao nh\u1ea5t.<\/p>\n\n\n\n

    Kh\u1eafc ph\u1ee5c gi\u00e1 tr\u1ecb D90 cao <\/mark><\/h3>\n\n\n\n

    N\u1ebfu k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch cho th\u1ea5y c\u00f3 \u201c\u0111u\u00f4i\u201d c\u00e1c h\u1ea1t th\u00f4 (cao) Gi\u00e1 tr\u1ecb D90<\/strong>), c\u00e1i b\u00e1nh xe ph\u00e2n lo\u1ea1i<\/strong> Vi\u1ec7c thi\u1ebft l\u1eadp th\u01b0\u1eddng l\u00e0 nghi ph\u1ea1m ch\u00ednh.<\/p>\n\n\n\n

    Ki\u1ec3m tra \u0111\u1ed9 k\u00edn:<\/strong> H\u00e3y \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 s\u1ef1 r\u00f2 r\u1ec9 n\u00e0o xung quanh gio\u0103ng c\u1ee7a m\u00e1y ph\u00e2n lo\u1ea1i. Ngay c\u1ea3 m\u1ed9t khe h\u1edf nh\u1ecf nh\u1ea5t c\u0169ng c\u00f3 th\u1ec3 cho ph\u00e9p v\u1eadt li\u1ec7u th\u00f4 \u0111i qua khu v\u1ef1c ph\u00e2n lo\u1ea1i v\u00e0 l\u1eabn v\u00e0o s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n

    \u0110i\u1ec1u ch\u1ec9nh v\u00f2ng tua m\u00e1y (RPM):<\/strong> N\u1ebfu gio\u0103ng c\u00f2n nguy\u00ean v\u1eb9n, h\u00e3y t\u0103ng nh\u1eb9 t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u00e1y ph\u00e2n lo\u1ea1i. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra l\u1ef1c ly t\u00e2m l\u1edbn h\u01a1n, \u0111\u1ea9y c\u00e1c h\u1ea1t l\u1edbn h\u01a1n tr\u1edf l\u1ea1i khu v\u1ef1c nghi\u1ec1n \u0111\u1ec3 x\u1eed l\u00fd ti\u1ebfp.<\/p>\n\n\n\n

    Gi\u1ea3i quy\u1ebft t\u00ecnh tr\u1ea1ng gi\u1ea3m \u0111\u1ed9t ng\u1ed9t th\u00f4ng l\u01b0\u1ee3ng<\/mark><\/h3>\n\n\n\n

    Khi n\u0103ng su\u1ea5t s\u1ea3n xu\u1ea5t gi\u1ea3m \u0111\u1ed9t ng\u1ed9t, v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn vi\u1ec7c qu\u1ea3n l\u00fd lu\u1ed3ng kh\u00ed h\u01a1n l\u00e0 b\u1ea3n th\u00e2n m\u00e1y nghi\u1ec1n.<\/p>\n\n\n\n

    T\u00ecnh tr\u1ea1ng b\u1ed9 l\u1ecdc:<\/strong> B\u1ecb t\u1eafc ngh\u1ebdn m\u00e1y thu b\u1ee5i xung<\/strong> T\u0103ng \u00e1p su\u1ea5t ng\u01b0\u1ee3c, l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 l\u1ef1c h\u00fat c\u1ea7n thi\u1ebft \u0111\u1ec3 k\u00e9o v\u1eadt li\u1ec7u qua h\u1ec7 th\u1ed1ng. \u0110\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng th\u1ed5i xung l\u00e0m s\u1ea1ch c\u00e1c bao t\u1ea3i m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

    Tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng h\u1ec7 th\u1ed1ng:<\/strong> H\u00e3y x\u00e1c minh r\u1eb1ng t\u1ed1c \u0111\u1ed9 c\u1ea5p li\u1ec7u<\/strong> Ph\u00f9 h\u1ee3p v\u1edbi kh\u1ea3 n\u0103ng x\u1ea3. Vi\u1ec7c qu\u00e1 t\u1ea3i bu\u1ed3ng s\u1ebd l\u00e0m t\u1eafc ngh\u1ebdn lu\u1ed3ng kh\u00ed, l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t. \u0110\u1ec3 xem c\u00e1c v\u00ed d\u1ee5 th\u1ef1c t\u1ebf v\u1ec1 c\u00e1c thi\u1ebft l\u1eadp t\u1ed1i \u01b0u, h\u00e3y xem ph\u1ea7n c\u1ee7a ch\u00fang t\u00f4i. c\u00e1c tr\u01b0\u1eddng h\u1ee3p x\u1eed l\u00fd v\u1eadt li\u1ec7u h\u00f3a h\u1ecdc<\/a>.<\/p>\n\n\n\n

    Gi\u1ea3m thi\u1ec3u s\u1ef1 m\u00e0i m\u00f2n qu\u00e1 m\u1ee9c tr\u00ean b\u00e1nh xe ph\u00e2n lo\u1ea1i<\/mark><\/h3>\n\n\n\n

    Lithium S\u1eaft Photphat (LFP)<\/strong> N\u00f3 c\u1ee9ng v\u00e0 c\u00f3 t\u00ednh m\u00e0i m\u00f2n, c\u00f3 th\u1ec3 \u0103n m\u00f2n c\u00e1c linh ki\u1ec7n ti\u00eau chu\u1ea9n n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n

    Ch\u00fang t\u00f4i tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c quy \u0111\u1ecbnh. l\u1edbp l\u00f3t g\u1ed1m<\/strong> (Nh\u00f4m oxit ho\u1eb7c Zirconia) d\u00f9ng cho b\u00e1nh xe v\u00e0 bu\u1ed3ng \u0111\u1ec3 ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 ng\u0103n ng\u1eeba nhi\u1ec5m b\u1ea9n s\u1eaft. Vi\u1ec7c c\u1ea5p li\u1ec7u kh\u00f4ng \u1ed5n \u0111\u1ecbnh g\u00e2y ra s\u1ef1 dao \u0111\u1ed9ng v\u1ec1 m\u1eadt \u0111\u1ed9 trong bu\u1ed3ng, d\u1eabn \u0111\u1ebfn m\u00e0i m\u00f2n kh\u00f4ng \u0111\u1ec1u. S\u1eed d\u1ee5ng T\u1ef1 \u0111\u1ed9ng h\u00f3a PLC<\/strong> \u0110\u1ec3 duy tr\u00ec t\u1ea3i tr\u1ecdng \u1ed5n \u0111\u1ecbnh, b\u1ea3o v\u1ec7 b\u00e1nh xe kh\u1ecfi nh\u1eefng xung l\u1ef1c m\u1ea1nh v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

    B\u1ed9t s\u1eed thi<\/mark><\/h2>\n\n\n\n

    B\u1ed9t s\u1eed thi<\/a> C\u00f4ng ty ch\u00fang t\u00f4i chuy\u00ean v\u1ec1 c\u00f4ng ngh\u1ec7 ch\u1ebf bi\u1ebfn b\u1ed9t m\u1ecbn cho ng\u00e0nh kho\u00e1ng s\u1ea3n, h\u00f3a ch\u1ea5t, th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m, v.v. \u0110\u1ed9i ng\u0169 c\u1ee7a ch\u00fang t\u00f4i c\u00f3 h\u01a1n 20 n\u0103m kinh nghi\u1ec7m trong ch\u1ebf bi\u1ebfn c\u00e1c lo\u1ea1i b\u1ed9t kh\u00e1c nhau v\u00e0 \u0111\u00e3 t\u1eebng thi\u1ebft k\u1ebf v\u00e0 l\u1eafp \u0111\u1eb7t d\u00e2y chuy\u1ec1n nghi\u1ec1n kh\u00ed n\u00e9n l\u1edbn nh\u1ea5t \u0111\u1ec3 s\u1ea3n xu\u1ea5t b\u1ed9t barit si\u00eau m\u1ecbn t\u1ea1i Trung Qu\u1ed1c.<\/p>\n\n\n\n

    Ch\u00fang t\u00f4i l\u00e0 nh\u00e0 cung c\u1ea5p chuy\u00ean nghi\u1ec7p c\u00e1c d\u1ef1 \u00e1n x\u1eed l\u00fd b\u1ed9t, \u0111\u1eb7c bi\u1ec7t l\u00e0 nghi\u1ec1n b\u1ed9t, ph\u00e2n lo\u1ea1i b\u1ed9t, ph\u00e2n t\u00e1n b\u1ed9t, x\u1eed l\u00fd b\u1ec1 m\u1eb7t b\u1ed9t v\u00e0 t\u00e1i ch\u1ebf ch\u1ea5t th\u1ea3i. Ch\u00fang t\u00f4i cung c\u1ea5p d\u1ecbch v\u1ee5 t\u01b0 v\u1ea5n, th\u1eed nghi\u1ec7m, thi\u1ebft k\u1ebf d\u1ef1 \u00e1n, m\u00e1y m\u00f3c, v\u1eadn h\u00e0nh th\u1eed v\u00e0 \u0111\u00e0o t\u1ea1o.<\/p>\n\n\n\n

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