![\"\"](\"https:\/\/o-yate.net\/wp-content\/uploads\/2024\/07\/47-2-300x300.jpg\")
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L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c lo\u1ea1i \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i ph\u00f9 h\u1ee3p?<\/p>\n
L\u00e0m r\u00f5 m\u1ee5c \u0111\u00edch v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng s\u01b0\u1edfi \u1ea5m<\/p>\n
M\u1ee5c \u0111\u00edch s\u1ea5y kh\u00f4<\/p>\n
S\u1ea5y b\u1ec1 m\u1eb7t: N\u1ebfu d\u00f9ng \u0111\u1ec3 l\u00e0m kh\u00f4 nhanh b\u1ec1 m\u1eb7t c\u1ee7a m\u1ed9t v\u1eadt th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u00e0m kh\u00f4 m\u1ef1c c\u1ee7a m\u1ed9t v\u1eadt th\u1ec3. s\u1ea3n ph\u1ea9m in, x\u1eed l\u00fd l\u1edbp ph\u1ee7, v.v., \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i g\u1ea7n l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p h\u01a1n. Tia h\u1ed3ng ngo\u1ea1i g\u1ea7n (b\u01b0\u1edbc s\u00f3ng 780-1400nm) c\u00f3 th\u1ec3 b\u1ecb b\u1ec1 m\u1eb7t v\u1eadt th\u1ec3 h\u1ea5p th\u1ee5 nhanh ch\u00f3ng, khi\u1ebfn nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t t\u0103ng nhanh, \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh bay h\u01a1i c\u1ee7a dung m\u00f4i ho\u1eb7c t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, t\u1eeb \u0111\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 kh\u00f4 nhanh. V\u00ed d\u1ee5, trong m\u1ed9t x\u01b0\u1edfng in nh\u1ecf, s\u1eed d\u1ee5ng \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i g\u1ea7n c\u00f3 th\u1ec3 l\u00e0m kh\u00f4 m\u1ef1c tr\u00ean \u00e1p ph\u00edch m\u1edbi in trong v\u00f2ng v\u00e0i ph\u00fat, n\u00e2ng cao hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t.<\/p>\n
S\u1ea5y b\u00ean trong: D\u00e0nh cho c\u00e1c \u0111\u1ed3 v\u1eadt nh\u01b0 th\u1ef1c ph\u1ea9m (nh\u01b0 tr\u00e1i c\u00e2y s\u1ea5y kh\u00f4, D\u01b0\u1ee3c li\u1ec7u Trung Qu\u1ed1c), g\u1ed7,\u2026 c\u1ea7n lo\u1ea1i b\u1ecf \u0111\u1ed9 \u1ea9m b\u00ean trong, \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i trung (1400-3000nm) ho\u1eb7c h\u1ed3ng ngo\u1ea1i xa (3000nm-1mm) s\u1ebd hi\u1ec7u qu\u1ea3 h\u01a1n. C\u00e1c b\u01b0\u1edbc s\u00f3ng c\u1ee7a tia h\u1ed3ng ngo\u1ea1i n\u00e0y c\u00f3 th\u1ec3 xuy\u00ean qua m\u1ed9t \u0111\u1ed9 s\u00e2u nh\u1ea5t \u0111\u1ecbnh c\u1ee7a v\u1eadt th\u1ec3, t\u0103ng c\u01b0\u1eddng s\u1ef1 rung \u0111\u1ed9ng c\u1ee7a c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc b\u00ean trong, sau \u0111\u00f3 chuy\u1ec3n ch\u00fang sang tr\u1ea1ng th\u00e1i kh\u00ed \u0111\u1ec3 ph\u00f3ng \u0111i\u1ec7n. L\u1ea5y quy tr\u00ecnh l\u00e0m tr\u00e1i c\u00e2y b\u1ea3o qu\u1ea3n l\u00e0m v\u00ed d\u1ee5, s\u1eed d\u1ee5ng \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i xa c\u00f3 th\u1ec3 l\u00e0m n\u00f3ng \u0111\u1ec1u b\u00ean trong tr\u00e1i c\u00e2y, khi\u1ebfn n\u01b0\u1edbc t\u1eeb t\u1eeb ti\u00eau tan, cho ra tr\u00e1i c\u00e2y b\u1ea3o qu\u1ea3n c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t.<\/p>\n
M\u1ee5c \u0111\u00edch s\u01b0\u1edfi \u1ea5m v\u00e0 c\u00e1ch nhi\u1ec7t<\/p>\n
S\u01b0\u1edfi \u1ea5m ho\u1eb7c c\u00e1ch nhi\u1ec7t c\u00e1c v\u1eadt d\u1ee5ng nh\u1ecf: N\u1ebfu m\u1ee5c \u0111\u00edch l\u00e0 \u0111\u1ec3 s\u01b0\u1edfi \u1ea5m ho\u1eb7c c\u00e1ch nhi\u1ec7t c\u00e1c v\u1eadt d\u1ee5ng nh\u1ecf (nh\u01b0 t\u1ed5 th\u00fa c\u01b0ng, m\u1eabu th\u00ed nghi\u1ec7m nh\u1ecf), th\u00ec n\u00ean xem x\u00e9t k\u00edch th\u01b0\u1edbc v\u00e0 c\u00f4ng su\u1ea5t c\u1ee7a \u0111\u00e8n s\u01b0\u1edfi. \u0110\u00e8n s\u01b0\u1edfi nh\u1ecf c\u00f3 c\u00f4ng su\u1ea5t th\u1ea5p h\u01a1n (ch\u1eb3ng h\u1ea1n nh\u01b0 100-200 watt) c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u s\u01b0\u1edfi \u1ea5m c\u01a1 b\u1ea3n \u0111\u1ed3ng th\u1eddi tr\u00e1nh nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao. V\u00ed d\u1ee5, trong chu\u1ed3ng nu\u00f4i th\u00fa c\u01b0ng, s\u1eed d\u1ee5ng \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i 150 watt c\u00f3 th\u1ec3 mang l\u1ea1i m\u00f4i tr\u01b0\u1eddng \u1ea5m \u00e1p th\u00edch h\u1ee3p cho \u0111\u00e0n con.<\/p>\n
S\u01b0\u1edfi \u1ea5m ho\u1eb7c c\u00e1ch nhi\u1ec7t cho kh\u00f4ng gian r\u1ed9ng: \u0110\u1ed1i v\u1edbi nh\u1eefng kh\u00f4ng gian nh\u01b0 nh\u00e0 k\u00ednh, nh\u00e0 kho l\u1edbn c\u1ea7n ch\u1ecdn \u0111\u00e8n s\u01b0\u1edfi c\u00f3 c\u00f4ng su\u1ea5t cao h\u01a1n (c\u00f3 th\u1ec3 h\u00e0ng tr\u0103m watt, th\u1eadm ch\u00ed h\u00e0ng ngh\u00ecn watt) v\u00e0 ph\u1ea1m vi b\u1ee9c x\u1ea1 r\u1ed9ng. \u0110\u1ed3ng th\u1eddi, s\u1ed1 l\u01b0\u1ee3ng v\u00e0 c\u00e1ch b\u1ed1 tr\u00ed \u0111\u00e8n s\u01b0\u1edfi c\u1ea7n thi\u1ebft ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 k\u00edch th\u01b0\u1edbc kh\u00f4ng gian v\u00e0 hi\u1ec7u su\u1ea5t c\u00e1ch nhi\u1ec7t. V\u00ed d\u1ee5, trong nh\u00e0 k\u00ednh tr\u1ed3ng rau, t\u00f9y theo di\u1ec7n t\u00edch nh\u00e0 k\u00ednh v\u00e0 \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu \u0111\u1ecba ph\u01b0\u01a1ng, nhi\u1ec1u \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i xa c\u00f4ng su\u1ea5t trung b\u00ecnh \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed h\u1ee3p l\u00fd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u00f4i tr\u01b0\u1eddng tr\u1ed3ng rau ph\u00f9 h\u1ee3p \u1edf \u0111\u00eam.<\/p>\n
C\u00f4ng d\u1ee5ng ch\u1ebf bi\u1ebfn c\u00f4ng nghi\u1ec7p<\/p>\n
Gia c\u00f4ng nh\u1ef1a: Trong qu\u00e1 tr\u00ecnh \u00e9p n\u00f3ng nh\u1ef1a, h\u00e0n, v.v., \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i g\u1ea7n c\u00f3 th\u1ec3 nhanh ch\u00f3ng l\u00e0m n\u00f3ng b\u1ec1 m\u1eb7t nh\u1ef1a \u0111\u1ebfn \u0111i\u1ec3m m\u1ec1m. \u0110i\u1ec1u n\u00e0y l\u00e0 do nh\u1ef1a c\u00f3 \u0111\u1eb7c t\u00ednh h\u1ea5p th\u1ee5 t\u1ed1t tia h\u1ed3ng ngo\u1ea1i g\u1ea7n v\u00e0 c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 \u0111\u1ee7 nhi\u1ec7t trong th\u1eddi gian ng\u1eafn. V\u00ed d\u1ee5, trong qu\u00e1 tr\u00ecnh h\u00e0n \u1ed1ng nh\u1ef1a, \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i g\u1ea7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m n\u00f3ng b\u1ec1 m\u1eb7t \u1ed1ng \u0111\u1ec3 l\u00e0m m\u1ec1m nhanh ch\u00f3ng b\u1ec1 m\u1eb7t \u1ed1ng v\u00e0 t\u1ea1o thu\u1eadn l\u1ee3i cho ho\u1ea1t \u0111\u1ed9ng h\u00e0n.<\/p>\n
X\u1eed l\u00fd nhi\u1ec7t kim lo\u1ea1i: \u0110\u1ed1i v\u1edbi c\u00e1c quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t nh\u01b0 \u1ee7 v\u00e0 l\u00e0m ngu\u1ed9i kim lo\u1ea1i, \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i xa c\u00f3 l\u1ee3i th\u1ebf h\u01a1n. Tia h\u1ed3ng ngo\u1ea1i xa c\u00f3 th\u1ec3 xuy\u00ean s\u00e2u v\u00e0o kim lo\u1ea1i, l\u00e0m cho kim lo\u1ea1i \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ec1u v\u00e0 gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong. V\u00ed d\u1ee5, trong m\u1ed9t nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t m\u00e1y m\u00f3c, khi \u1ee7 c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i, s\u1eed d\u1ee5ng \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i xa c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng b\u1ed9 ph\u1eadn \u1ed5n \u0111\u1ecbnh.<\/p>\n
Xem x\u00e9t c\u00f4ng su\u1ea5t v\u00e0 nhi\u1ec7t l\u01b0\u1ee3ng t\u1ecfa ra c\u1ee7a \u0111\u00e8n s\u01b0\u1edfi<\/p>\n
L\u1ef1a ch\u1ecdn ngu\u1ed3n \u0111i\u1ec7n: C\u00f4ng su\u1ea5t c\u1ee7a \u0111\u00e8n s\u01b0\u1edfi quy\u1ebft \u0111\u1ecbnh l\u01b0\u1ee3ng nhi\u1ec7t m\u00e0 n\u00f3 t\u1ea1o ra. N\u00f3i chung, n\u00f3 \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng watt (W). C\u00f4ng su\u1ea5t c\u00e0ng cao th\u00ec nhi\u1ec7t l\u01b0\u1ee3ng t\u1ecfa ra c\u00e0ng l\u1edbn. Khi l\u1ef1a ch\u1ecdn c\u00f4ng su\u1ea5t, c\u1ea7n x\u00e1c \u0111\u1ecbnh theo m\u1ee5c \u0111\u00edch s\u01b0\u1edfi \u1ea5m, k\u00edch th\u01b0\u1edbc c\u1ee7a kh\u00f4ng gian s\u01b0\u1edfi \u1ea5m v\u00e0 y\u00eau c\u1ea7u v\u1ec1 t\u1ed1c \u0111\u1ed9 s\u01b0\u1edfi \u1ea5m. V\u00ed d\u1ee5, trong m\u1ed9t kh\u00f4ng gian k\u00edn nh\u1ecf (ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ed9p th\u1eed nghi\u1ec7m nh\u1ecf), \u0111\u00e8n s\u01b0\u1edfi 100-300 watt c\u00f3 th\u1ec3 l\u00e0 \u0111\u1ee7; trong khi \u1edf m\u1ed9t ph\u00f2ng s\u1ea5y c\u00f4ng nghi\u1ec7p l\u1edbn, c\u00f3 th\u1ec3 c\u1ea7n v\u00e0i kilowatt \u0111\u00e8n s\u01b0\u1edfi \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u s\u1ea3n xu\u1ea5t.<\/p>\n
Nhi\u1ec7t l\u01b0\u1ee3ng t\u1ecfa ra ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u th\u1ef1c t\u1ebf: Ngo\u00e0i c\u00f4ng su\u1ea5t, c\u0169ng c\u1ea7n xem x\u00e9t li\u1ec7u l\u01b0\u1ee3ng nhi\u1ec7t t\u1ecfa ra th\u1ef1c t\u1ebf c\u1ee7a \u0111\u00e8n s\u01b0\u1edfi c\u00f3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u c\u1ee7a t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng hay kh\u00f4ng. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 nhi\u1ec7t dung c\u1ee7a v\u1eadt \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng v\u00e0 kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t c\u1ee7a m\u00f4i tr\u01b0\u1eddng s\u01b0\u1edfi \u1ea5m. V\u00ed d\u1ee5, khi s\u01b0\u1edfi c\u1ee7i trong nh\u00e0 kho th\u00f4ng tho\u00e1ng, do m\u00f4i tr\u01b0\u1eddng t\u1ea3n nhi\u1ec7t nhanh n\u00ean c\u1ea7n ch\u1ecdn \u0111\u00e8n s\u01b0\u1edfi c\u00f3 c\u00f4ng su\u1ea5t t\u1ecfa nhi\u1ec7t cao h\u01a1n, ho\u1eb7c t\u0103ng s\u1ed1 l\u01b0\u1ee3ng \u0111\u00e8n s\u01b0\u1edfi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o g\u1ed7 c\u00f3 th\u1ec3 t\u1ecfa nhi\u1ec7t t\u1ed1t. \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 s\u1ea5y d\u1ef1 ki\u1ebfn.<\/p>\n
Ch\u00fa \u00fd \u0111\u1ebfn \u0111\u1eb7c \u0111i\u1ec3m b\u01b0\u1edbc s\u00f3ng c\u1ee7a \u0111\u00e8n s\u01b0\u1edfi<\/p>\n
\u0110\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i g\u1ea7n: Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp tr\u01b0\u1edbc \u0111\u00f3, \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i g\u1ea7n th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng l\u00e0m n\u00f3ng b\u1ec1 m\u1eb7t v\u00e0 t\u0103ng nhi\u1ec7t \u0111\u1ed9 nhanh. \u01afu \u0111i\u1ec3m c\u1ee7a n\u00f3 l\u00e0 t\u1ed1c \u0111\u1ed9 gia nhi\u1ec7t nhanh nh\u01b0ng \u0111\u1ed9 s\u00e2u th\u00e2m nh\u1eadp n\u00f4ng. Trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u00e0m kh\u00f4 b\u1ec1 m\u1eb7t c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed v\u00e0 s\u1ea5y l\u1edbp ph\u1ee7 c\u1ee7a th\u1ea5u k\u00ednh quang h\u1ecdc, \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i g\u1ea7n c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 t\u1ed1t.<\/p>\n
\u0110\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i trung: B\u01b0\u1edbc s\u00f3ng c\u1ee7a n\u00f3 gi\u00fap nhi\u1ec7t c\u00f3 \u0111\u1ed9 s\u00e2u th\u00e2m nh\u1eadp nh\u1ea5t \u0111\u1ecbnh v\u00e0o b\u00ean trong v\u1eadt th\u1ec3, th\u00edch h\u1ee3p \u0111\u1ec3 l\u00e0m n\u00f3ng c\u00e1c v\u1eadt th\u1ec3 c\u00f3 \u0111\u1ed9 d\u00e0y nh\u1ea5t \u0111\u1ecbnh. V\u00ed d\u1ee5, trong ng\u00e0nh d\u1ec7t may, \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i gi\u1eefa c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m co tr\u01b0\u1edbc v\u1ea3i, gi\u00fap l\u00e0m co c\u00e1c s\u1ee3i b\u00ean trong v\u1ea3i v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc c\u1ee7a v\u1ea3i.<\/p>\n
\u0110\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i xa: \u0110\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i xa c\u00f3 \u0111\u1ed9 s\u00e2u th\u00e2m nh\u1eadp s\u00e2u nh\u1ea5t v\u00e0 c\u00f3 th\u1ec3 l\u00e0m n\u00f3ng \u0111\u1ec1u c\u00e1c v\u1eadt th\u1ec3 t\u1eeb trong ra ngo\u00e0i. Trong l\u0129nh v\u1ef1c tr\u1ecb li\u1ec7u s\u1ee9c kh\u1ecfe, x\u00f4ng h\u01a1i h\u1ed3ng ngo\u1ea1i xa s\u1eed d\u1ee5ng \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i xa, ph\u00e1t ra tia h\u1ed3ng ngo\u1ea1i c\u00f3 th\u1ec3 xuy\u00ean qua da ng\u01b0\u1eddi, l\u00e0m \u1ea5m c\u00e1c m\u00f4 b\u00ean trong, th\u00fac \u0111\u1ea9y tu\u1ea7n ho\u00e0n m\u00e1u v\u00e0 trao \u0111\u1ed5i ch\u1ea5t.<\/p>\n
\u0110\u00e1nh gi\u00e1 k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u00e1ng c\u1ee7a \u0111\u00e8n s\u01b0\u1edfi<\/p>\n
K\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p v\u1edbi ph\u1ea1m vi s\u01b0\u1edfi \u1ea5m: \u0110\u00e8n s\u01b0\u1edfi l\u1edbn h\u01a1n th\u01b0\u1eddng c\u00f3 th\u1ec3 bao ph\u1ee7 di\u1ec7n t\u00edch s\u01b0\u1edfi \u1ea5m l\u1edbn h\u01a1n v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng s\u01b0\u1edfi \u1ea5m tr\u00ean di\u1ec7n r\u1ed9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u01b0\u1edfi s\u00e0n trong x\u01b0\u1edfng l\u1edbn v\u00e0 s\u1ea5y v\u1eadt li\u1ec7u tr\u00ean di\u1ec7n r\u1ed9ng. \u0110\u00e8n s\u01b0\u1edfi nh\u1ecf h\u01a1n ph\u00f9 h\u1ee3p h\u01a1n \u0111\u1ec3 s\u01b0\u1edfi \u1ea5m c\u00e1c khu v\u1ef1c nh\u1ecf ho\u1eb7c c\u00e1c v\u1eadt th\u1ec3 nh\u1ecf \u0111\u01a1n l\u1ebb, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1eeda ch\u1eefa h\u1ec7 th\u1ed1ng s\u01b0\u1edfi c\u1ee5c b\u1ed9 c\u1ee7a c\u00e1c \u0111\u1ed3 th\u1ee7 c\u00f4ng nh\u1ecf.<\/p>\n
H\u00ecnh d\u00e1ng ph\u00f9 h\u1ee3p v\u1edbi v\u1eadt s\u01b0\u1edfi: H\u00ecnh d\u1ea1ng c\u1ee7a \u0111\u00e8n s\u01b0\u1edfi c\u0169ng r\u1ea5t quan tr\u1ecdng. V\u00ed d\u1ee5, \u0111\u00e8n s\u01b0\u1edfi h\u00ecnh \u1ed1ng th\u00edch h\u1ee3p \u0111\u1ec3 s\u01b0\u1edfi \u1ea5m c\u00e1c v\u1eadt d\u00e0i nh\u01b0 \u1ed1ng, que; \u0110\u00e8n s\u01b0\u1edfi parabol c\u00f3 v\u1ecf ph\u1ea3n chi\u1ebfu c\u00f3 th\u1ec3 t\u1eadp trung nhi\u1ec7t theo m\u1ed9t h\u01b0\u1edbng c\u1ee5 th\u1ec3 v\u00e0 ph\u00f9 h\u1ee3p cho nh\u1eefng tr\u01b0\u1eddng h\u1ee3p c\u1ea7n s\u01b0\u1edfi \u1ea5m theo h\u01b0\u1edbng, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1ch nhi\u1ec7t th\u1ef1c ph\u1ea9m trong t\u1ee7 tr\u01b0ng b\u00e0y th\u1ef1c ph\u1ea9m c\u1ee7a nh\u00e0 h\u00e0ng.<\/p>\n
\u0110i\u1ec1u tra ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a \u0111\u00e8n s\u01b0\u1edfi<\/p>\n
Ch\u1ea5t l\u01b0\u1ee3ng v\u1ecf: V\u1ecf c\u1ee7a \u0111\u00e8n s\u01b0\u1edfi ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng hay h\u01b0 h\u1ecfng. V\u1ecf g\u1ed1m ho\u1eb7c kim lo\u1ea1i ch\u1ea5t l\u01b0\u1ee3ng cao l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n. V\u1ecf g\u1ed1m c\u00f3 kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t t\u1ed1t v\u00e0 ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao, trong khi v\u1ecf kim lo\u1ea1i c\u00f3 kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc t\u1ed1t. V\u00ed d\u1ee5, \u0111\u00e8n s\u01b0\u1edfi c\u00f3 v\u1ecf b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u00e2u d\u00e0i trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t nh\u01b0 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m cao.<\/p>\n
Ch\u1ea5t l\u01b0\u1ee3ng b\u1ed9 ph\u1eadn l\u00e0m n\u00f3ng: Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn l\u00e0m n\u00f3ng (ch\u1eb3ng h\u1ea1n nh\u01b0 d\u00e2y t\u00f3c, cu\u1ed9n d\u00e2y \u0111\u1ed1t n\u00f3ng, v.v.) b\u00ean trong \u0111\u00e8n s\u01b0\u1edfi \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tu\u1ed5i th\u1ecd v\u00e0 hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng c\u1ee7a \u0111\u00e8n. C\u00e1c b\u1ed9 ph\u1eadn l\u00e0m n\u00f3ng ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o nhi\u1ec7t \u1ed5n \u0111\u1ecbnh m\u00e0 kh\u00f4ng g\u00e2y qu\u00e1 nhi\u1ec7t c\u1ee5c b\u1ed9 (t\u1ee9c l\u00e0 “\u0111i\u1ec3m n\u00f3ng”). V\u00ed d\u1ee5, \u0111\u00e8n s\u01b0\u1edfi c\u00f3 d\u00e2y t\u00f3c vonfram ch\u1ea5t l\u01b0\u1ee3ng cao s\u1ebd c\u00f3 tu\u1ed5i th\u1ecd cao h\u01a1n \u0111\u00e8n s\u01b0\u1edfi c\u00f3 d\u00e2y t\u00f3c th\u00f4ng th\u01b0\u1eddng v\u00e0 c\u00f3 th\u1ec3 cung c\u1ea5p nhi\u1ec7t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/p>\n
T\u1eadp trung v\u00e0o hi\u1ec7u su\u1ea5t an to\u00e0n<\/p>\n
C\u01a1 ch\u1ebf b\u1ea3o v\u1ec7 nhi\u1ec7t \u0111\u1ed9: Vi\u1ec7c ch\u1ecdn \u0111\u00e8n s\u01b0\u1edfi c\u00f3 ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 qu\u00e1 nhi\u1ec7t l\u00e0 r\u1ea5t quan tr\u1ecdng. Khi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a \u0111\u00e8n s\u01b0\u1edfi qu\u00e1 cao, thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 qu\u00e1 nhi\u1ec7t c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng c\u1eaft ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ec3 ng\u0103n ng\u1eeba c\u00e1c tai n\u1ea1n an to\u00e0n nh\u01b0 h\u1ecfa ho\u1ea1n do qu\u00e1 nhi\u1ec7t. V\u00ed d\u1ee5, m\u1ed9t s\u1ed1 \u0111\u00e8n s\u01b0\u1edfi ti\u00ean ti\u1ebfn c\u00f3 t\u00edch h\u1ee3p c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9. Khi nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t, c\u1ea3m bi\u1ebfn s\u1ebd ngay l\u1eadp t\u1ee9c g\u1eedi t\u00edn hi\u1ec7u d\u1eebng \u0111\u00e8n s\u01b0\u1edfi.<\/p>\n
An to\u00e0n v\u1ec1 \u0111i\u1ec7n: Ph\u1ea7n k\u1ebft n\u1ed1i \u0111i\u1ec7n c\u1ee7a \u0111\u00e8n s\u01b0\u1edfi ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e1ch \u0111i\u1ec7n t\u1ed1t \u0111\u1ec3 tr\u00e1nh c\u00e1c s\u1ef1 c\u1ed1 v\u1ec1 \u0111i\u1ec7n nh\u01b0 \u0111i\u1ec7n gi\u1eadt, \u0111o\u1ea3n m\u1ea1ch. \u0110\u1ed3ng th\u1eddi, \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 b\u1ecb va \u0111\u1eadp, rung l\u1eafc th\u00ec c\u0169ng c\u1ea7n l\u1ef1a ch\u1ecdn \u0111\u00e8n s\u01b0\u1edfi c\u00f3 thi\u1ebft k\u1ebf an to\u00e0n nh\u01b0 ch\u1ed1ng s\u1ed1c, ch\u1ed1ng v\u1ee1. V\u00ed d\u1ee5, \u0111\u00e8n s\u01b0\u1edfi c\u00f3 v\u1ecf th\u1ee7y tinh hai l\u1edbp ho\u1eb7c l\u1edbp ph\u1ee7 ch\u1ed1ng v\u1ee1 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m nguy c\u01a1 v\u1ee1 k\u00ednh.<\/p>\n","protected":false},"excerpt":{"rendered":"
\u0110\u00e8n s\u01b0\u1edfi halogen s\u00f3ng trung ph\u1ea3n \u1ee9ng nhanh 300mm 500w L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c lo\u1ea1i \u0111\u00e8n s\u01b0\u1edfi h\u1ed3ng ngo\u1ea1i ph\u00f9 h\u1ee3p? L\u00e0m r\u00f5 m\u1ee5c \u0111\u00edch v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng s\u01b0\u1edfi \u1ea5m M\u1ee5c \u0111\u00edch s\u1ea5y kh\u00f4 S\u1ea5y b\u1ec1 m\u1eb7t: N\u1ebfu d\u00f9ng \u0111\u1ec3 l\u00e0m kh\u00f4 nhanh b\u1ec1 m\u1eb7t c\u1ee7a m\u1ed9t v\u1eadt…<\/p>\n","protected":false},"author":10,"featured_media":2128,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1],"tags":[147769,148931,150268,154291,146502,146890,147092,147438,148155,148270,148347,146083,146241,149823,149834,149900,149250,149949,150023,150204,150703,150515,150411,151271,151322,151992,150270,155875,154553],"class_list":["post-6320","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs","tag-food","tag-heat","tag-lamp","tag-near","tag-ceramic","tag-curing","tag-drying","tag-elements","tag-good-quality","tag-halogen","tag-halogen-heat","tag-halogen-heat-lamp","tag-heat-lamp","tag-heating","tag-heating-element","tag-heating-elements","tag-heating-lamp","tag-heating-lamp-for","tag-heating-lamps","tag-high-temperature","tag-infrared","tag-infrared-heating","tag-infrared-heating-lamp","tag-infrared-heating-lamp-for","tag-infrared-heating-lamps","tag-medium-wave","tag-pet","tag-power-supply","tag-printing"],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","zh","ar","ja","ko","ru","nl","de","hi","it","pt","es","th","tr","vi"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"zh":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"nl":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"hi":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/posts\/6320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/comments?post=6320"}],"version-history":[{"count":15,"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/posts\/6320\/revisions"}],"predecessor-version":[{"id":10375,"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/posts\/6320\/revisions\/10375"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/media\/2128"}],"wp:attachment":[{"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/media?parent=6320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/categories?post=6320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/tags?post=6320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}