![\"L\u00f2](\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/lo_cao_va_thiet_ke_san_xuat_sat.png\")
<\/p>\nL\u00f2 cao v\u00e0 thi\u1ebft k\u1ebf s\u1ea3n xu\u1ea5t s\u1eaft: T\u00ecm hi\u1ec3u c\u00e1ch l\u00f2 cao ho\u1ea1t \u0111\u1ed9ng v\u00e0 quy tr\u00ecnh thi\u1ebft k\u1ebf gi\u00fap t\u1ea1o ra s\u1eaft t\u1eeb nguy\u00ean li\u1ec7u th\u00f4.<\/p>\n
<\/p>\n
Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, l\u00f2 cao \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t s\u1eaft. L\u00f2 cao l\u00e0 m\u1ed9t lo\u1ea1i thi\u1ebft b\u1ecb c\u00f4ng su\u1ea5t l\u1edbn, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 chuy\u1ec3n h\u00f3a qu\u1eb7ng s\u1eaft th\u00e0nh s\u1eaft th\u00f4 qua qu\u00e1 tr\u00ecnh luy\u1ec7n kim. Ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a l\u00f2 cao v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 thi\u1ebft k\u1ebf quan tr\u1ecdng trong s\u1ea3n xu\u1ea5t s\u1eaft.<\/p>\n
L\u00f2 cao ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd kh\u1eed oxit s\u1eaft (Fe2<\/sub>O3<\/sub>) th\u00e0nh s\u1eaft kim lo\u1ea1i (Fe) d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ch\u1ea5t kh\u1eed l\u00e0 carbon (than coke). Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m m\u1ed9t chu\u1ed7i c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc ph\u1ee9c t\u1ea1p, nh\u01b0ng ch\u1ee7 y\u1ebfu c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f3m g\u1ecdn nh\u01b0 sau:<\/p>\n C + O2<\/sub> \u2192 CO2<\/sub> + nhi\u1ec7t<\/p>\n<\/li>\n CO2<\/sub> + C \u2192 2CO<\/p>\n<\/li>\n Fe2<\/sub>O3<\/sub> + 3CO \u2192 2Fe + 3CO2<\/sub><\/p>\n<\/li>\n<\/ol>\n K\u1ebft qu\u1ea3 l\u00e0 s\u1eaft th\u00f4 s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra, th\u01b0\u1eddng \u1edf d\u1ea1ng l\u1ecfng do nhi\u1ec7t \u0111\u1ed9 cao, v\u00e0 s\u1ebd \u0111\u01b0\u1ee3c thu gom t\u1ea1i \u0111\u00e1y l\u00f2.<\/p>\n Thi\u1ebft k\u1ebf l\u00f2 cao ph\u1ea3i \u0111\u1ea3m b\u1ea3o an to\u00e0n, hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed s\u1ea3n xu\u1ea5t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 quan tr\u1ecdng c\u1ea7n xem x\u00e9t:<\/p>\n L\u00f2 cao l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t s\u1eaft, v\u00e0 thi\u1ebft k\u1ebf c\u1ee7a n\u00f3 \u0111\u00f3ng vai tr\u00f2 quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n c\u1ee7a qu\u00e1 tr\u00ecnh n\u00e0y. Hi\u1ec3u r\u00f5 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 thi\u1ebft k\u1ebf quan tr\u1ecdng s\u1ebd gi\u00fap t\u1ed1i \u01b0u h\u00f3a s\u1ea3n xu\u1ea5t v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng.<\/p>\n Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 l\u00f2 cao v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t s\u1eaft. N\u1ebfu b\u1ea1n c\u00f3 b\u1ea5t k\u1ef3 c\u00e2u h\u1ecfi n\u00e0o, \u0111\u1eebng ng\u1ea7n ng\u1ea1i \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn!<\/p>\n","protected":false},"excerpt":{"rendered":" L\u00f2 cao v\u00e0 thi\u1ebft k\u1ebf s\u1ea3n xu\u1ea5t s\u1eaft: T\u00ecm hi\u1ec3u c\u00e1ch l\u00f2 cao ho\u1ea1t \u0111\u1ed9ng v\u00e0 quy tr\u00ecnh thi\u1ebft k\u1ebf gi\u00fap t\u1ea1o ra s\u1eaft t\u1eeb nguy\u00ean li\u1ec7u th\u00f4.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"\n\n
C\u00e1c Y\u1ebfu T\u1ed1 Thi\u1ebft K\u1ebf L\u00f2 Cao<\/h2>\n
\n
K\u1ebft Lu\u1eadn<\/h2>\n