{"id":6048,"date":"2025-11-27T11:05:59","date_gmt":"2025-11-27T03:05:59","guid":{"rendered":"https:\/\/www.chinanhd.com\/?p=6048"},"modified":"2025-12-18T16:44:26","modified_gmt":"2025-12-18T08:44:26","slug":"scaling-up-phosphoric-acid-production-with-large-capacity-rotary-vacuum-filters","status":"publish","type":"post","link":"https:\/\/www.chinanhd.com\/vi\/scaling-up-phosphoric-acid-production-with-large-capacity-rotary-vacuum-filters\/","title":{"rendered":"T\u0103ng quy m\u00f4 s\u1ea3n xu\u1ea5t axit phosphoric v\u1edbi b\u1ed9 l\u1ecdc ch\u00e2n kh\u00f4ng quay c\u00f4ng su\u1ea5t l\u1edbn"},"content":{"rendered":"

\"\u1ee8ng<\/h1>\n

V\u1edbi d\u00e2n s\u1ed1 to\u00e0n c\u1ea7u v\u01b0\u1ee3t qu\u00e1 8 t\u1ef7 v\u00e0 an ninh l\u01b0\u01a1ng th\u1ef1c ng\u00e0y c\u00e0ng n\u1ed5i b\u1eadt, nhu c\u1ea7u v\u1ec1 ph\u00e2n b\u00f3n ph\u1ed1t phat hi\u1ec7u qu\u1ea3 cao ti\u1ebfp t\u1ee5c t\u0103ng tr\u01b0\u1edfng. L\u00e0 nguy\u00ean li\u1ec7u th\u00f4 c\u1ed1t l\u00f5i cho s\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n ph\u1ed1t phat, axit ph\u1ed1t phat ’ Kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a n\u00f4ng nghi\u1ec7p c\u00f3 t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ph\u00e1t tri\u1ec3n n\u00f4ng nghi\u1ec7p tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t axit phosphoric, thi\u1ebft b\u1ecb l\u1ecdc ch\u1eafc ch\u1eafn l\u00e0 tr\u00e1i tim c\u1ee7a to\u00e0n b\u1ed9 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t – Hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 quy\u1ebft \u0111\u1ecbnh s\u1ea3n l\u01b0\u1ee3ng cu\u1ed1i c\u00f9ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. Trong vi\u1ec7c theo \u0111u\u1ed5i quy m\u00f4 v\u00e0 hi\u1ec7u qu\u1ea3, ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t \u0111ang ch\u1ee9ng ki\u1ebfn \u200b\u200bm\u1ed9t cu\u1ed9c c\u00e1ch m\u1ea1ng v\u1ec1 k\u00edch th\u01b0\u1edbc thi\u1ebft b\u1ecb, v\u1edbi B\u1ed9 l\u1ecdc ch\u00e2n kh\u00f4ng b\u00e0n quay<\/b><\/u><\/strong><\/a>\u00a0d\u1eabn \u0111\u1ea7u s\u00f3ng bi\u1ebfn \u0111\u1ed5i n\u00e0y.<\/p>\n

Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c thi\u1ebft b\u1ecb quy m\u00f4 th\u1ef1c s\u1ef1 l\u1edbn. Nh\u1ea3y t\u1eeb k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n \u0111\u1ebfn khu v\u1ef1c l\u1ecdc tr\u00ean 300 m\u00e9t vu\u00f4ng l\u00e0 ’ t ch\u1ec9 l\u00e0 tr\u1edf n\u00ean l\u1edbn h\u01a1n. N\u00f3 \u0111\u00e1nh d\u1ea5u m\u1ed9t \u0111\u1ed9t ph\u00e1 c\u00f4ng ngh\u1ec7 th\u1ef1c s\u1ef1 \u0111\u1eb7t ra gi\u1edbi h\u1ea1n v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng b\u1ea1n c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t. Trong blog n\u00e0y, ch\u00fang t\u00f4i s\u1ebd l\u1eb7n s\u00e2u v\u00e0o l\u00fd do t\u1ea1i sao vi\u1ec7c m\u1edf r\u1ed9ng quan tr\u1ecdng v\u00e0 c\u00e1ch \u0111\u1ed5i m\u1edbi trong l\u1ecdc ch\u00e2n kh\u00f4ng quay l\u00e0m cho n\u00f3 c\u00f3 th\u1ec3.<\/p>\n

C\u1ed5 chai m\u1edf r\u1ed9ng: T\u1ea1i sao l\u1edbn h\u01a1n l\u00e0 c\u1ea7n thi\u1ebft nh\u01b0ng kh\u00f3 kh\u0103n h\u01a1n<\/strong><\/h2>\n

Hi\u1ec3u l\u00fd do t\u1ea1i sao c\u00e1c b\u1ed9 l\u1ecdc \u0111\u01b0\u1eddng k\u00ednh l\u1edbn hi\u1ebfm tr\u00ean th\u1ecb tr\u01b0\u1eddng ti\u1ebft l\u1ed9 c\u00e1c r\u00e0o c\u1ea3n k\u1ef9 thu\u1eadt t\u00e1ch bi\u1ec7t c\u00e1c nh\u00e0 l\u00e3nh \u0111\u1ea1o ng\u00e0nh c\u00f4ng nghi\u1ec7p t\u1eeb nh\u1eefng ng\u01b0\u1eddi theo d\u00f5i. Trong s\u1ea3n xu\u1ea5t axit phosphoric, vi\u1ec7c \u0111\u1ea9y c\u00f4ng su\u1ea5t nhi\u1ec1u h\u01a1n th\u01b0\u1eddng tr\u00fang v\u00e0o t\u01b0\u1eddng do gi\u1edbi h\u1ea1n thi\u1ebft k\u1ebf v\u00e0 c\u0103ng th\u1eb3ng v\u1eadt li\u1ec7u. Nh\u1eefng tr\u1edf ng\u1ea1i n\u00e0y gi\u1ea3i th\u00edch t\u1ea1i sao ch\u1ec9 m\u1ed9t v\u00e0i ng\u01b0\u1eddi c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c h\u1ec7 th\u1ed1ng l\u1ecdc ch\u1ea5t l\u1ecfng c\u00f4ng nghi\u1ec7p \u0111\u00e1ng tin c\u1eady \u1edf quy m\u00f4 n\u00e0y. Khi nh\u00e0 m\u00e1y ph\u00e1t tri\u1ec3n, nhu c\u1ea7u v\u1ec1 b\u1ed9 l\u1ecdc ch\u00e2n kh\u00f4ng b\u1ea3ng m\u1ea1nh m\u1ebd tr\u1edf n\u00ean r\u00f5 r\u00e0ng, nh\u01b0ng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c v\u01b0\u1ee3t qua c\u00e1c th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf.<\/p>\n

\"Nh\u00e0<\/p>\n

L\u1ee3i th\u1ebf c\u00f4ng su\u1ea5t th\u00fac \u0111\u1ea9y nhu c\u1ea7u thi\u1ebft b\u1ecb l\u1edbn h\u01a1n<\/strong><\/h3>\n

B\u1ed9 l\u1ecdc ch\u00e2n kh\u00f4ng quay l\u1edbn h\u01a1n c\u00f3 ngh\u0129a l\u00e0 th\u00f4ng l\u01b0\u1ee3ng cao h\u01a1n trong l\u1ecdc axit phosphoric. M\u1ed9t \u0111\u01a1n v\u1ecb ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 x\u1eed l\u00fd 100 t\u1ea5n m\u1ed7i ng\u00e0y, nh\u01b0ng m\u1edf r\u1ed9ng l\u00ean 300 m\u00e9t vu\u00f4ng c\u00f3 th\u1ec3 \u0111\u1ea9y n\u00f3 l\u00ean h\u01a1n 500 t\u1ea5n. B\u01b0\u1edbc nh\u1ea3y n\u00e0y quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 m\u00e1y nh\u1eb1m \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ph\u00e2n b\u00f3n ng\u00e0y c\u00e0ng t\u0103ng. N\u1ebfu kh\u00f4ng, b\u1ea1n’ re m\u1eafc k\u1eb9t th\u00eam c\u00e1c \u0111\u01a1n v\u1ecb nh\u1ecf h\u01a1n, l\u00e0m t\u0103ng chi ph\u00ed b\u1ea3o tr\u00ec.<\/p>\n

Thi\u1ebft b\u1ecb l\u1edbn h\u01a1n gi\u1ea3m s\u1ed1 m\u00e1y c\u1ea7n thi\u1ebft. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng ch\u1ea1y m\u1ed9t b\u1ed9 l\u1ecdc quay l\u1edbn thay v\u00ec n\u0103m b\u1ed9 l\u1ecdc nh\u1ecf h\u01a1n. N\u00f3 \u0111\u01a1n gi\u1ea3n h\u00f3a ho\u1ea1t \u0111\u1ed9ng v\u00e0 gi\u1ea3m s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng tr\u00ean m\u1ed7i t\u1ea5n \u0111\u01b0\u1ee3c x\u1eed l\u00fd.<\/p>\n

T\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac v\u00e0 \u1ed5n \u0111\u1ecbnh ho\u1ea1t \u0111\u1ed9ng<\/strong><\/h3>\n

C\u00e1c thi\u1ebft k\u1ebf \u0111\u01b0\u1eddng k\u00ednh l\u1edbn \u0111\u1ed1i m\u1eb7t v\u1edbi c\u0103ng th\u1eb3ng c\u01a1 h\u1ecdc. Ch\u1ea3o ph\u1ea3i gi\u1eef ph\u1eb3ng d\u01b0\u1edbi ch\u00e2n kh\u00f4ng v\u00e0 quay. B\u1ea5t k\u1ef3 bi\u1ebfn d\u1ea1ng n\u00e0o d\u1eabn \u0111\u1ebfn l\u1ecdc kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, g\u00e2y r\u00f2 r\u1ec9 ho\u1eb7c x\u1ea3 b\u00e1nh k\u00e9m trong thi\u1ebft b\u1ecb l\u1ecdc ch\u1ea5t l\u1ecfng r\u1eafn. V\u1eadt li\u1ec7u \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng. H\u1ee3p kim c\u01b0\u1eddng \u0111\u1ed9 cao ch\u1ed1ng \u0103n m\u00f2n t\u1eeb b\u00f9n axit. Nh\u01b0ng h\u00e0n c\u00e1c ph\u1ea7n l\u1edbn m\u00e0 kh\u00f4ng c\u00f3 khuy\u1ebft t\u1eadt l\u00e0 kh\u00f3 kh\u0103n. Nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ea5u tranh \u1edf \u0111\u00e2y, d\u1eabn \u0111\u1ebfn th\u1ea5t b\u1ea1i s\u1edbm.<\/p>\n

Trong th\u1ef1c t\u1ebf, s\u1ef1 \u1ed5n \u0111\u1ecbnh \u0111\u1ebfn t\u1eeb k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c. H\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ee9a s\u1ef1 m\u1edf r\u1ed9ng nhi\u1ec7t ng\u0103n ch\u1eb7n c\u00e1c v\u1ebft g\u00e3y c\u0103ng th\u1eb3ng. \u0110i\u1ec1u n\u00e0y gi\u1eef cho b\u1ed9 l\u1ecdc ch\u00e2n kh\u00f4ng quay ch\u1ea1y tr\u01a1n tru, ng\u00e0y qua ng\u00e0y.<\/p>\n

S\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb nhu c\u1ea7u c\u00f4ng su\u1ea5t sang r\u1ee7i ro th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng cho th\u1ea5y c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ea5u tr\u00fac n\u00e0y li\u00ean quan \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng h\u00e0ng ng\u00e0y nh\u01b0 th\u1ebf n\u00e0o. Khi m\u1ed9t \u0111\u01a1n v\u1ecb l\u1edbn th\u1ea5t b\u1ea1i, t\u00e1c \u0111\u1ed9ng s\u00f3ng qua to\u00e0n b\u1ed9 nh\u00e0 m\u00e1y, l\u00e0m n\u1ed5i b\u1eadt l\u00fd do t\u1ea1i sao thi\u1ebft k\u1ebf c\u1ea9n th\u1eadn trong h\u1ec7 th\u1ed1ng l\u1ecdc ch\u1ea5t l\u1ecfng c\u00f4ng nghi\u1ec7p kh\u00f4ng th\u1ec3 \u0111\u00e0m ph\u00e1n \u0111\u01b0\u1ee3c. C\u00e1c nh\u00e0 v\u1eadn h\u00e0nh bi\u1ebft r\u1eb1ng m\u1ed9t s\u1ef1 c\u1ed1 c\u00f3 th\u1ec3 d\u1eebng s\u1ea3n xu\u1ea5t h\u00e0ng gi\u1edd, chi ph\u00ed h\u00e0ng ng\u00e0n.<\/p>\n

Th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng c\u00f3 k\u1ebf ho\u1ea1ch sau khi th\u1ea5t b\u1ea1i<\/strong><\/h3>\n

L\u1ed7i trong c\u00e1c b\u1ed9 l\u1ecdc quay l\u1edbn th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb c\u00e1c chi ti\u1ebft b\u1ecb b\u1ecf qua nh\u01b0 m\u00e0i m\u00f2n ni\u00eam phong. M\u1ed9t r\u00f2 r\u1ec9 nh\u1ecf c\u00f3 th\u1ec3 leo thang, bu\u1ed9c ph\u1ea3i t\u1eaft ho\u00e0n to\u00e0n. Trong c\u00e1c c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t axit phosphoric, \u0111i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn t\u1ed5n th\u1ea5t s\u1ea3n xu\u1ea5t \u0111\u00e1ng k\u1ec3 cho m\u1ed7i s\u1ef1 c\u1ed1. C\u00e1c giao th\u1ee9c ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean gi\u00fap \u0111\u1ee1, nh\u01b0ng thi\u1ebfu s\u00f3t thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 che gi\u1ea5u c\u00e1c v\u1ea5n \u0111\u1ec1 m\u1edbi n\u1ed5i. S\u1ef1 suy tho\u00e1i d\u1ea7n d\u1ea7n c\u1ee7a van v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t th\u00e0nh ph\u1ea7n l\u00e1i xe theo th\u1eddi gian, leo thang c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u1ecf th\u00e0nh s\u1ef1 gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng quan tr\u1ecdng.<\/p>\n

Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb<\/strong><\/h3>\n

C\u00e1ch b\u1ed9 l\u1ecdc \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1eddi gian t\u1ed3n t\u1ea1i c\u1ee7a n\u00f3. Gia c\u00f4ng ch\u00ednh x\u00e1c cho ch\u1ea3o h\u00ecnh v\u00f2ng \u0111\u1ea3m b\u1ea3o ph\u00e2n ph\u1ed1i m\u00f2n \u0111\u1ed3ng nh\u1ea5t. C\u00e1c quy tr\u00ecnh k\u00e9m d\u1eabn \u0111\u1ebfn b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, \u0111\u1ea9y nhanh s\u1ef1 h\u1ecfng trong b\u1ed9 l\u1ecdc ch\u00e2n kh\u00f4ng b\u00e0n. Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng trong c\u00e1c v\u1ea5n \u0111\u1ec1 l\u1eafp r\u00e1p c\u0169ng. Th\u1eed nghi\u1ec7m t\u1ea3i trong \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m l\u1ed7i ti\u1ec1m n\u0103ng tr\u01b0\u1edbc khi tri\u1ec3n khai. C\u00e1c nh\u00e0 m\u00e1y s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb l\u1ecdc ch\u00e2n kh\u00f4ng quay \u0111\u01b0\u1ee3c l\u00e0m t\u1ed1t c\u00f3 tu\u1ed5i th\u1ecd h\u01a1n 15 n\u0103m, so v\u1edbi 5-7 cho c\u00e1c m\u00f4 h\u00ecnh nh\u1ecf h\u01a1n.<\/p>\n

C\u00f4ng ngh\u1ec7 b\u1eb1ng s\u00e1ng ch\u1ebf c\u1ee7a NHD \u0111\u1ec3 x\u1eed l\u00fd Pan v\u00f2ng k\u00ednh l\u1edbn<\/strong><\/h2>\n

NHD’ C\u00f4ng ngh\u1ec7 ch\u1ebf bi\u1ebfn ch\u1ea3o \u0111\u01b0\u1eddng k\u00ednh l\u1edbn t\u1ef1 ph\u00e1t tri\u1ec3n, \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1edfi nhi\u1ec1u b\u1eb1ng s\u00e1ng ch\u1ebf v\u00e0 gi\u1ea3i th\u01b0\u1edfng c\u00f4ng nghi\u1ec7p (Gi\u1ea3i th\u01b0\u1edfng xu\u1ea5t s\u1eafc b\u1eb1ng s\u00e1ng ch\u1ebf Trung Qu\u1ed1c, 2008), cho ph\u00e9p nh\u1eefng g\u00ec nh\u1eefng ng\u01b0\u1eddi kh\u00e1c kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c. B\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 n\u00e0y trong thi\u1ebft k\u1ebf l\u1ecdc ch\u00e2n kh\u00f4ng quay gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ed1t l\u00f5i c\u1ee7a vi\u1ec7c m\u1edf r\u1ed9ng, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t s\u1ef1 thay \u0111\u1ed5i tr\u00f2 ch\u01a1i cho l\u1ecdc axit phosphoric. B\u1eb1ng c\u00e1ch t\u1eadp trung v\u00e0o \u0111\u1ed9 b\u1ec1n v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng, NHD gi\u00fap c\u00e1c nh\u00e0 v\u1eadn h\u00e0nh gi\u1ea3m \u0111au \u0111\u1ea7u trong c\u00e1c cu\u1ed9c ch\u1ea1y h\u00e0ng ng\u00e0y. Nh\u1eefng \u0111\u1ed5i m\u1edbi n\u00e0y n\u1ed5i b\u1eadt trong m\u1ed9t th\u1ecb tr\u01b0\u1eddng \u0111\u1ea7y \u0111\u1ee7 c\u00e1c h\u1ec7 th\u1ed1ng l\u1ecdc ch\u1ea5t l\u1ecfng c\u00f4ng nghi\u1ec7p ti\u00eau chu\u1ea9n.<\/p>\n

\"T\u0103ng<\/p>\n

Thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac m\u1ea1nh m\u1ebd cho s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00f4 c\u00f9ng<\/strong><\/h3>\n

NHD t\u1ed1i \u01b0u h\u00f3a thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac v\u1edbi \u0111\u0129a l\u1ecdc ph\u00e2n kh\u00fac. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 ph\u1eb3ng nghi\u00eam ng\u1eb7t trong b\u1ed9 l\u1ecdc quay. C\u1ea5u tr\u00fac h\u1ed7 tr\u1ee3 n\u1ed5i \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf c\u1ee7a h\u1ecd lo\u1ea1i b\u1ecf c\u00e1c v\u1ea5n \u0111\u1ec1 m\u1edf r\u1ed9ng nhi\u1ec7t trong b\u1ed9 l\u1ecdc ’ khung d\u01b0\u1edbi s. Thi\u1ebft k\u1ebf b\u00e1nh ch\u00e2n \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn cho ph\u00e9p m\u1edf r\u1ed9ng thi\u1ebft b\u1ecb. N\u00f3 cung c\u1ea5p m\u00f4-men xo\u1eafn cao v\u1edbi \u0111\u1ed9ng c\u01a1 \u0111\u1ed9ng c\u01a1 c\u00f4ng su\u1ea5t th\u1ea5p, ti\u1ebft ki\u1ec7m h\u00f3a \u0111\u01a1n \u0111i\u1ec7n. Trong c\u00e1c th\u1eed nghi\u1ec7m, c\u00e1c t\u00ednh n\u0103ng n\u00e0y gi\u1eef rung th\u1ea5p, ngay c\u1ea3 \u1edf t\u1ed1c \u0111\u1ed9 \u0111\u1ea7y \u0111\u1ee7. C\u00e1c nh\u00e0 \u0111i\u1ec1u h\u00e0nh b\u00e1o c\u00e1o \u00edt \u0111i\u1ec1u ch\u1ec9nh c\u1ea7n thi\u1ebft trong th\u1eddi gian thay \u0111\u1ed5i.<\/p>\n

Di chuy\u1ec3n t\u1eeb c\u1ea5u tr\u00fac sang c\u00e1c th\u00e0nh ph\u1ea7n minh h\u1ecda c\u00e1ch NHD t\u00edch h\u1ee3p c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ec3 d\u00f2ng ch\u1ea3y t\u1ed1t h\u01a1n trong thi\u1ebft b\u1ecb l\u1ecdc ch\u1ea5t l\u1ecfng r\u1eafn. C\u00e1ch ti\u1ebfp c\u1eadn to\u00e0n di\u1ec7n n\u00e0y ng\u0103n ch\u1eb7n c\u00e1c b\u1eaby ph\u1ed5 bi\u1ebfn nh\u01b0 t\u00edch l\u0169y, \u0111\u1ea3m b\u1ea3o to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t.<\/p>\n

C\u00e1c th\u00e0nh ph\u1ea7n ti\u00ean ti\u1ebfn \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 & Ph\u00f2ng ch\u1ed1ng t\u1eafc ngh\u1ebdn<\/strong><\/h3>\n

Van ph\u00e2n ph\u1ed1i trung t\u00e2m th\u1ea5p h\u01a1n trong NHD’ b\u1ed9 l\u1ecdc ch\u00e2n kh\u00f4ng quay c\u00f3 t\u00ednh n\u0103ng nghi\u00eang cao v\u00e0 thi\u1ebft k\u1ebf d\u1eabn \u0111\u1ea7u d\u00f2ng ch\u1ea3y. N\u00f3 gi\u1ea3i quy\u1ebft s\u1ef1 t\u1eafc ngh\u1ebdn v\u00e0 t\u1eafc ngh\u1ebdn phosphogypsum, c\u1eaft gi\u1ea3m th\u1eddi gian l\u00e0m s\u1ea1ch cho c\u00e1c nh\u00e0 v\u1eadn h\u00e0nh. M\u1ed9t m\u00e1y cung c\u1ea5p v\u00e0 m\u00e1y gi\u1eb7t lo\u1ea1i t\u1ea5m c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh th\u00fac \u0111\u1ea9y ph\u00e2n ph\u1ed1i b\u00f9n \u0111\u1ed3ng nh\u1ea5t. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn b\u00e1nh l\u1ecdc kh\u00f4 h\u01a1n v\u00e0 r\u1eeda t\u1ed1t h\u01a1n trong l\u1ecdc axit phosphoric. D\u1ea3i \u00e9p h\u00ecnh cung gi\u1ea3m thi\u1ec3u s\u1ef1 t\u00edch t\u1ee5 v\u1eadt li\u1ec7u trong r\u00e3nh, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho c\u00e1c th\u1ee7 t\u1ee5c thay th\u1ebf v\u1ea3i l\u1ecdc nhanh h\u01a1n. NHD’ thi\u1ebft k\u1ebf v\u00f2i phun t\u1ed1i \u01b0u h\u00f3a cung c\u1ea5p hi\u1ec7u su\u1ea5t phun hi\u1ec7u qu\u1ea3 v\u1edbi ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng gi\u1ea3m. K\u1ebft h\u1ee3p v\u1edbi l\u00f5i l\u1ecdc phun ch\u1ed1ng t\u1eafc ngh\u1ebdn, h\u1ec7 th\u1ed1ng t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 l\u00e0m s\u1ea1ch trong b\u1ed9 l\u1ecdc ch\u00e2n kh\u00f4ng b\u00e0n.<\/p>\n

\u0110i\u1ec1u ch\u1ec9nh quy tr\u00ecnh linh ho\u1ea1t cho \u1ee9ng d\u1ee5ng r\u1ed9ng h\u01a1n<\/strong><\/h3>\n

Thi\u1ebft k\u1ebf n\u00e0y v\u01b0\u1ee3t qua nh\u1eefng th\u00e1ch th\u1ee9c v\u1edbi c\u00e1c qu\u1eb7ng ph\u1ed1t phat c\u1ea5p th\u1ea5p. N\u00f3 m\u1edf r\u1ed9ng ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a thi\u1ebft b\u1ecb l\u1ecdc ch\u00e2n kh\u00f4ng quay. Ngo\u00e0i axit ph\u1ed1t pho, c\u00f4ng ngh\u1ec7 ph\u1ee5c v\u1ee5 luy\u1ec7n kim, x\u1eed l\u00fd m\u00f4i tr\u01b0\u1eddng, ch\u1ebf bi\u1ebfn khai th\u00e1c m\u1ecf v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u1ed9t gi\u1ea5y.<\/p>\n

C\u00e1c c\u1ea5u h\u00ecnh c\u1ee5 th\u1ec3 c\u1ee7a quy tr\u00ecnh cho ph\u00e9p \u00e1p d\u1ee5ng c\u00f4ng nghi\u1ec7p r\u1ed9ng h\u01a1n. Trong tinh ch\u1ebf alumina, NHD’ b\u1ed9 l\u1ecdc pan s<\/b><\/u><\/strong><\/a>s \u0111\u1ea1t \u0111\u01b0\u1ee3c di\u1ec7n t\u00edch l\u1ecdc l\u00ean \u0111\u1ebfn 260 m\u00e9t vu\u00f4ng m\u1ed7i \u0111\u01a1n v\u1ecb. \u0110\u1ed1i v\u1edbi s\u1ea3n xu\u1ea5t titanium dioxide, c\u1ea5u h\u00ecnh \u0111\u1ea1t 55 m\u00e9t vu\u00f4ng trong b\u1ed9 l\u1ecdc pan<\/b><\/u><\/strong><\/a>\u00a0c\u00e0i \u0111\u1eb7t.<\/p>\n

Nh\u1eefng c\u1ea3i ti\u1ebfn n\u00e0y ch\u1ee9ng minh t\u00ednh linh ho\u1ea1t c\u1ee7a NHD’ b\u1ed9 l\u1ecdc ch\u00e2n kh\u00f4ng quay c\u00f4ng su\u1ea5t l\u1edbn trong h\u1ec7 th\u1ed1ng l\u1ecdc ch\u1ea5t l\u1ecfng c\u00f4ng nghi\u1ec7p. Nh\u00e0 m\u00e1y c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c c\u00e0i \u0111\u1eb7t cho b\u00f9n c\u1ee5 th\u1ec3 m\u00e0 kh\u00f4ng c\u1ea7n s\u1eeda \u0111\u1ed5i quy m\u00f4 l\u1edbn.<\/p>\n

\u0110i\u1ec3m \u0111i\u1ec3m c\u00f4ng nghi\u1ec7p – L\u1ecdc 320m\u00b2 t\u1ea1i Guizhou Kailin<\/strong><\/h2>\n

B\u1ed9 l\u1ecdc ch\u00e2n kh\u00f4ng quay 320m\u00b2 t\u1ea1i Guizhou Kailin thi\u1ebft l\u1eadp m\u1ed9t thanh cao trong s\u1ea3n xu\u1ea5t axit phosphoric. \u0110\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t b\u1edfi NHD, n\u00f3 ch\u1ee9ng minh nh\u1eefng l\u1ee3i \u00edch h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi v\u1ec1 c\u00f4ng su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3. Tr\u01b0\u1eddng h\u1ee3p n\u00e0y nh\u1ea5n m\u1ea1nh c\u00e1ch b\u1ed9 l\u1ecdc ch\u00e2n kh\u00f4ng b\u00e0n quy m\u00f4 l\u1edbn chuy\u1ec3n \u0111\u1ed5i ho\u1ea1t \u0111\u1ed9ng, cung c\u1ea5p c\u00e1c b\u00e0i h\u1ecdc cho c\u00e1c nh\u00e0 m\u00e1y t\u01b0\u01a1ng t\u1ef1 tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n

\"B\u1ed9<\/p>\n