{"id":4759,"date":"2026-01-01T11:50:04","date_gmt":"2026-01-01T03:50:04","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4759"},"modified":"2025-12-29T15:10:04","modified_gmt":"2025-12-29T07:10:04","slug":"what-is-the-process-of-eps-block-molding","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/vi\/tin-tuc-blog\/tin-tuc-nganh\/qua-trinh-ep-khoi-eps-la-gi\/","title":{"rendered":"Qu\u00e1 tr\u00ecnh \u00e9p kh\u1ed1i EPS l\u00e0 g\u00ec?"},"content":{"rendered":"

Polystyrene m\u1edf r\u1ed9ng (EPS), m\u1ed9t v\u1eadt li\u1ec7u b\u1ecdt nh\u1eb9 v\u00e0 h\u1eefu \u00edch, c\u00f3 m\u1ed9t v\u1ecb tr\u00ed quan tr\u1ecdng trong th\u1ebf gi\u1edbi s\u1ea3n xu\u1ea5t ng\u00e0y nay. N\u00f3 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. \u1ede \u0111\u00f3, c\u00e1c m\u1eabu b\u1ecdt ch\u00ednh x\u00e1c l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i ph\u1ee9c t\u1ea1p. EPS n\u1ed5i ti\u1ebfng v\u00ec gi\u1eef nhi\u1ec7t b\u00ean trong v\u00e0 gi\u1eef m\u1ea1nh m\u1ebd. N\u00f3 gi\u00fap t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh bi\u1ebfn m\u1ea5t ho\u00e0n to\u00e0n khi kim lo\u1ea1i n\u00f3ng \u0111\u01b0\u1ee3c \u0111\u1ed5. K\u1ebft qu\u1ea3 l\u00e0 \u0111\u00fac r\u1ea5t ch\u00ednh x\u00e1c v\u1edbi h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 l\u1ed7i. B\u00e0i vi\u1ebft tr\u00ean blog n\u00e0y xem x\u00e9t k\u1ef9 v\u1ec1 EPS block molding. \u0110\u00f3 l\u00e0 b\u01b0\u1edbc c\u01a1 b\u1ea3n \u0111\u1ec3 l\u00e0m c\u00e1c kh\u1ed1i b\u1ecdt l\u1edbn. Nh\u1eefng kh\u1ed1i n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t cho c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 xe h\u01a1i, m\u00e1y bay v\u00e0 m\u00e1y m\u00f3c l\u1edbn.<\/p>\n

 <\/p>\n

\"Trung<\/div>\n

Kh\u1ed1i x\u00e2y d\u1ef1ng EPS<\/strong><\/h2>\n

EPS b\u1eaft \u0111\u1ea7u nh\u01b0 h\u1ea1t r\u1eafn nh\u1ecf \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng nh\u1ef1a polystyrene. M\u1ed9t ch\u1ea5t th\u1ed5i nh\u01b0 pentan \u0111\u01b0\u1ee3c th\u00eam v\u00e0o b\u00ean trong ch\u00fang. \u0110\u1ea1i l\u00fd gi\u1eef im l\u1eb7ng cho \u0111\u1ebfn khi nhi\u1ec7t \u0111\u00e1nh th\u1ee9c n\u00f3. Trong M\u1ea5t b\u1ecdt \u0111\u00fac<\/strong><\/a>Nh\u1eefng h\u1ea1t n\u00e0y r\u1ea5t quan tr\u1ecdng. Ch\u00fang t\u1ea1o th\u00e0nh c\u00e1c m\u1eabu bi\u1ebfn m\u1ea5t trong khi \u0111\u1ed5. Khi h\u01a1i n\u01b0\u1edbc ch\u1ea1m v\u00e0o h\u1ea1t, ch\u1ea5t l\u00e0m cho ch\u00fang ph\u00e1t tri\u1ec3n l\u00ean \u0111\u1ebfn 40 l\u1ea7n. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra v\u1ebb b\u1ecdt t\u1ebf b\u00e0o \u0111\u00f3ng n\u1ed5i ti\u1ebfng. V\u1eadt li\u1ec7u cu\u1ed1i c\u00f9ng c\u00f3 m\u1eadt \u0111\u1ed9 t\u1eeb 10 \u0111\u1ebfn 50 kg \/ m\u00b3. C\u00e1c kh\u1ed1i nh\u01b0 v\u1eady m\u1ea1nh m\u1ebd nh\u01b0ng nh\u1eb9. M\u1ecdi ng\u01b0\u1eddi c\u00f3 th\u1ec3 c\u1eaft ch\u00fang th\u00e0nh h\u00ecnh d\u1ea1ng chi ti\u1ebft d\u1ec5 d\u00e0ng. B\u1ec1 m\u1eb7t v\u1eabn m\u1ecbn v\u00e0 k\u00edch th\u01b0\u1edbc v\u1eabn \u0111\u00fang.<\/p>\n

C\u00e1c h\u1ea1t m\u1edf r\u1ed9ng tr\u01b0\u1edbc<\/strong><\/a> k\u1ebft h\u1ee3p v\u1edbi nhau r\u1ea5t t\u1ed1t. H\u1ecd kh\u00f3a v\u00e0o nhau m\u00e0 kh\u00f4ng c\u00f3 kho\u1ea3ng tr\u1ed1ng trong c\u00e1c b\u01b0\u1edbc ti\u1ebfp theo. \u0110\u1ed1i v\u1edbi \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t, m\u1ed7i h\u1ea1t ph\u1ea3i ph\u00e1t tri\u1ec3n theo c\u00f9ng m\u1ed9t c\u00e1ch. N\u1ebfu kh\u00f4ng, c\u00e1c \u0111\u1ed1m tr\u1ed1ng ho\u1eb7c s\u1ef1 tan ch\u1ea3y kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u00f3 th\u1ec3 x\u1ea3y ra. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7 ho\u1eb7c c\u00e1t b\u00ean trong ph\u1ea7n kim lo\u1ea1i ho\u00e0n th\u00e0nh. C\u00e1c c\u00e1ch m\u1edbi \u0111\u1ec3 \u0111\u1eb7t ch\u1ea5t v\u00e0o h\u1ea1t \u0111\u00e3 l\u00e0m cho EPS t\u1ed1t h\u01a1n cho c\u00e1c nh\u00e0 m\u00e1y b\u1eadn r\u1ed9n. K\u1ebft qu\u1ea3 lu\u00f4n gi\u1ed1ng nhau khi t\u1ea1o ra c\u00e1c m\u1eabu cho c\u00e1c th\u1ee9 nh\u01b0 kh\u1ed1i \u0111\u1ed9ng c\u01a1 ho\u1eb7c th\u00e2n m\u00e1y b\u01a1m.<\/p>\n

Qu\u00e1 tr\u00ecnh \u00e9p kh\u1ed1i EPS<\/strong><\/h2>\n

 <\/p>\n

\"M\u00e1y<\/div>\n

C\u00e1c Kh\u1ed1i \u00e9p EPS<\/strong><\/a> quy tr\u00ecnh bi\u1ebfn h\u1ea1t m\u1edf r\u1ed9ng tr\u01b0\u1edbc th\u00e0nh kh\u1ed1i b\u1ecdt r\u1eafn l\u1edbn. N\u00f3 s\u1eed d\u1ee5ng c\u00e1c b\u01b0\u1edbc nhi\u1ec7t v\u00e0 \u00e1p su\u1ea5t c\u1ea9n th\u1eadn. C\u00e1ch n\u00e0y ho\u1ea1t \u0111\u1ed9ng tuy\u1ec7t v\u1eddi cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. C\u00e1c kh\u1ed1i tr\u1edf th\u00e0nh nguy\u00ean li\u1ec7u th\u00f4. Ng\u01b0\u1eddi lao \u0111\u1ed9ng sau \u0111\u00f3 c\u1eaft ch\u00fang b\u1eb1ng m\u00e1y CNC th\u00e0nh c\u00e1c m\u00f4 h\u00ecnh ch\u00ednh x\u00e1c. To\u00e0n b\u1ed9 ph\u01b0\u01a1ng ph\u00e1p t\u1eadp trung v\u00e0o t\u1ed1c \u0111\u1ed9 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh. \u0110\u00f3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u nghi\u00eam ng\u1eb7t cho \u0111\u00fac kim lo\u1ea1i ho\u00e0n h\u1ea3o.<\/p>\n

Tr\u01b0\u1edbc m\u1edf r\u1ed9ng<\/strong><\/h3>\n

S\u1ef1 m\u1edf r\u1ed9ng tr\u01b0\u1edbc l\u00e0 s\u1ef1 thay \u0111\u1ed5i l\u1edbn \u0111\u1ea7u ti\u00ean cho h\u1ea1t EPS th\u00f4. Ch\u00fang tr\u1edf th\u00e0nh b\u1ecdt s\u1eb5n s\u00e0ng \u0111\u1ec3 \u0111\u00fac. B\u00ean trong c\u00e1c m\u00e1y \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 pre-expanders, h\u1ea1t di chuy\u1ec3n xung quanh trong ph\u00f2ng h\u01a1i n\u01b0\u1edbc. Nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea1t 90-110 \u00b0 C v\u00e0 \u00e1p su\u1ea5t \u1edf l\u1ea1i kho\u1ea3ng 0,5-1,5 bar. \u0110i\u1ec1u n\u00e0y l\u00e0m cho ch\u00fang ph\u00e1t tri\u1ec3n b\u00ecnh \u0111\u1eb3ng. Th\u1eddi gian b\u00ean trong th\u01b0\u1eddng l\u00e0 30-120 gi\u00e2y. C\u00f4ng nh\u00e2n \u0111\u1eb7t n\u00f3 \u0111\u1ec3 \u0111\u1ea1t m\u1eadt \u0111\u1ed9 mong mu\u1ed1n. T\u0103ng tr\u01b0\u1edfng qu\u00e1 nhi\u1ec1u s\u1ebd l\u00e0m cho kh\u1ed1i cu\u1ed1i c\u00f9ng y\u1ebfu.<\/p>\n

\u0110\u1ed1i v\u1edbi \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t, ngay c\u1ea3 s\u1ef1 t\u0103ng tr\u01b0\u1edfng c\u0169ng quan tr\u1ecdng r\u1ea5t nhi\u1ec1u. N\u00f3 gi\u1eef cho m\u00f4 h\u00ecnh \u1ed5n \u0111\u1ecbnh sau \u0111\u00f3. M\u00e1y m\u00f3c hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng hai ho\u1eb7c nhi\u1ec1u giai \u0111o\u1ea1n m\u1edf r\u1ed9ng. \u0110i\u1ec1u n\u00e0y cung c\u1ea5p k\u00edch th\u01b0\u1edbc h\u1ea1t t\u1ed1t h\u01a1n v\u00e0 \u00edt kh\u00e1c bi\u1ec7t gi\u1eefa ch\u00fang. C\u00f4ng vi\u1ec7c c\u1ea9n th\u1eadn nh\u01b0 v\u1eady \u0111\u1ea3m b\u1ea3o c\u00e1c kh\u1ed1i \u0111\u00fac c\u00f3 th\u1ec3 x\u1eed l\u00fd l\u1edbp ph\u1ee7 v\u00e0 c\u00e1t m\u00e0 kh\u00f4ng u\u1ed1n cong.<\/p>\n

Thi\u1ebft k\u1ebf khu\u00f4n v\u00e0 v\u1eadt li\u1ec7u<\/strong><\/h3>\n

Thi\u1ebft k\u1ebf khu\u00f4n t\u1ed1t l\u00e0 tr\u00e1i tim c\u1ee7a \u0111\u00fac kh\u1ed1i. N\u00f3 gi\u00fap nhi\u1ec7t di chuy\u1ec3n nhanh ch\u00f3ng v\u00e0 h\u1ea1t lan r\u1ed9ng t\u1ed1t. H\u1ea7u h\u1ebft c\u00e1c khu\u00f4n l\u00e0 th\u00e9p, \u0111\u00f4i khi tr\u1ed9n v\u1edbi nh\u00f4m \u0111\u1ec3 nh\u1eb9 h\u01a1n. B\u1ee9c t\u01b0\u1eddng d\u00e0y 20-50 mm. Ch\u00fang ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec1u chu k\u1ef3 h\u01a1i n\u01b0\u1edbc l\u00ean \u0111\u1ebfn 120 \u00b0 C. B\u00ean trong, c\u00f3 l\u1ed7 l\u1ea5p \u0111\u1ea7y xung quanh c\u1ea1nh v\u00e0 l\u1ed7 th\u00f4ng gi\u00f3 \u1edf gi\u1eefa. Nh\u1eefng h\u1ea1t gi\u00fap \u0111i kh\u1eafp n\u01a1i gi\u1ed1ng nhau.<\/p>\n

Trong c\u00f4ng vi\u1ec7c \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t, c\u00e1c l\u1ed7 th\u00f4ng gi\u00f3 cho ph\u00e9p kh\u00ed b\u1ed5 sung ra nhanh ch\u00f3ng. \u0110i\u1ec1u \u0111\u00f3 ng\u0103n ch\u1eb7n c\u00e1c l\u1ed7 b\u00ean trong c\u00f3 th\u1ec3 l\u00e0m t\u1ed5n th\u01b0\u01a1ng m\u00f4 h\u00ecnh khi kim lo\u1ea1i \u0111\u01b0\u1ee3c \u0111\u1ed5. C\u00e1c l\u1edbp ph\u1ee7 \u0111\u1eb7c bi\u1ec7t nh\u01b0 Teflon ho\u1eb7c g\u1ed1m l\u00e0m cho c\u00e1c kh\u1ed1i d\u1ec5 d\u00e0ng xu\u1ea5t hi\u1ec7n. M\u1ed9t khu\u00f4n c\u00f3 th\u1ec3 k\u00e9o d\u00e0i h\u01a1n 10.000 chu k\u1ef3. Nhi\u1ec1u m\u1eabu \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng th\u00e0nh c\u00e1c b\u1ed9 ph\u1eadn. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i ch\u00fang cho k\u00edch th\u01b0\u1edbc kh\u1ed1i kh\u00e1c nhau, t\u1eeb 1m x 1m x 0,5m l\u00ean \u0111\u1ebfn 6m x 1,2m x 1m. K\u00edch th\u01b0\u1edbc l\u1edbn ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn l\u1edbn ho\u00e0n h\u1ea3o.<\/p>\n

C\u00e1c th\u00f4ng s\u1ed1 quy tr\u00ecnh v\u00e0 ki\u1ec3m so\u00e1t<\/strong><\/h3>\n

Sau khi h\u1ea1t l\u1ea5p \u0111\u1ea7y khu\u00f4n, h\u01a1i n\u01b0\u1edbc \u0111i v\u00e0o trong 2-5 ph\u00fat \u1edf 0,8-1,2 bar. Nhi\u1ec7t l\u00e0m m\u1ec1m c\u00e1c h\u1ea1t ch\u1ec9 \u0111\u1ee7. H\u1ecd tan ch\u1ea3y v\u1edbi nhau r\u1ea5t t\u1ed1t. Sau \u0111\u00f3 l\u00e0m m\u00e1t b\u1eaft \u0111\u1ea7u. Phun n\u01b0\u1edbc ho\u1eb7c kh\u00f4ng kh\u00ed ch\u00e2n kh\u00f4ng l\u00e0m c\u00f4ng vi\u1ec7c. Kh\u1ed1i tr\u1edf n\u00ean c\u1ee9ng trong 10-20 ph\u00fat. M\u00e1y t\u00ednh g\u1ecdi l\u00e0 PLC xem m\u1ecdi th\u1ee9 c\u00f9ng m\u1ed9t l\u00fac. H\u1ecd thay \u0111\u1ed5i h\u01a1i n\u01b0\u1edbc v\u1edbi van th\u00f4ng minh. M\u1eadt \u0111\u1ed9 v\u1eabn g\u1ea7n nh\u01b0 gi\u1ed1ng nhau, v\u1edbi s\u1ef1 kh\u00e1c bi\u1ec7t d\u01b0\u1edbi 5%.<\/p>\n

Trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t, ki\u1ec3m so\u00e1t nhi\u1ec7t ch\u00ednh x\u00e1c ng\u0103n ch\u1eb7n h\u1ea1t s\u1ee5p \u0111\u1ed5 qu\u00e1 s\u1edbm. Kh\u1ed1i ph\u1ea3i m\u1ea1nh h\u01a1n 100 kPa. S\u1ee9c m\u1ea1nh \u0111\u00f3 gi\u00fap khi c\u00e1t b\u1ecb l\u1eafc xung quanh m\u00f4 h\u00ecnh. C\u1ea3m bi\u1ebfn ki\u1ec3m tra \u00e1p su\u1ea5t v\u00e0 \u0111\u1ed9 \u1ea9m m\u1ecdi l\u00fac. \u0110i\u1ec1u n\u00e0y l\u00e0m cho c\u00e1c chu k\u1ef3 nhanh h\u01a1n. M\u1ed9t nh\u00e0 m\u00e1y c\u00f3 th\u1ec3 l\u00e0m 50-100 kh\u1ed1i m\u1ed7i shift. H\u1ec7 th\u1ed1ng ph\u1ee5c h\u1ed3i nhi\u1ec7t c\u0169ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n

C\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/strong><\/h3>\n

Khi \u0111\u00fac k\u1ebft th\u00fac, m\u1ed7i kh\u1ed1i \u0111\u01b0\u1ee3c ki\u1ec3m tra c\u1ea9n th\u1eadn. Ch\u00fang gi\u1eef ch\u1ea5t l\u01b0\u1ee3ng cao cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. M\u1ecdi ng\u01b0\u1eddi t\u00ecm ki\u1ebfm v\u1ee1 ho\u1eb7c d\u1ea5u tr\u00ean b\u1ec1 m\u1eb7t. H\u1ecd \u0111o b\u1eb1ng calipers. K\u00edch th\u01b0\u1edbc ph\u1ea3i \u1edf trong v\u00f2ng \u00b1 2 mm. C\u00f4ng nh\u00e2n c\u1eaft c\u00e1c m\u1ea3nh nh\u1ecf \u0111\u1ec3 ki\u1ec3m tra m\u1eadt \u0111\u1ed9. C\u00e1c kh\u1ed1i t\u1ed1t cho th\u1ea5y \u00edt h\u01a1n 3% thay \u0111\u1ed5i tr\u00ean to\u00e0n b\u1ed9 m\u1ea3nh.<\/p>\n

Th\u1eed nghi\u1ec7m s\u00f3ng \u00e2m thanh t\u00ecm th\u1ea5y c\u00e1c v\u1ea5n \u0111\u1ec1 \u1ea9n m\u00e0 kh\u00f4ng c\u1ea7n c\u1eaft. C\u00e1c th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t cho th\u1ea5y kh\u1ed1i c\u00f3 th\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c bao nhi\u00eau tr\u1ecdng l\u01b0\u1ee3ng. M\u1ed7i batch \u0111\u1ec1u c\u00f3 m\u1ed9t s\u1ed1. H\u1ed3 s\u01a1 gi\u00fap t\u00ecm ra nh\u1eefng g\u00ec \u0111\u00e3 sai n\u1ebfu c\u1ea7n thi\u1ebft. T\u1ea5t c\u1ea3 c\u00e1c b\u01b0\u1edbc n\u00e0y \u0111\u1ea3m b\u1ea3o c\u00e1c kh\u1ed1i EPS ho\u1ea1t \u0111\u1ed9ng nh\u01b0 nhau m\u1ed7i l\u1ea7n. Ph\u1ebf li\u1ec7u tr\u1edf n\u00ean r\u1ea5t th\u1ea5p trong c\u00e1c b\u01b0\u1edbc \u0111\u00fac sau \u0111\u00f3.<\/p>\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00f4ng ngh\u1ec7 ch\u00e2n kh\u00f4ng (t\u00f9y ch\u1ecdn)<\/strong><\/h3>\n

S\u1eed d\u1ee5ng ch\u00e2n kh\u00f4ng trong \u0111\u00fac kh\u1ed1i l\u00e0m cho m\u1ecdi th\u1ee9 t\u1ed1t h\u01a1n nhi\u1ec1u. N\u00f3 r\u1ea5t h\u1eefu \u00edch cho c\u00e1c m\u00f4 h\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t ch\u00ednh x\u00e1c. Ch\u00e2n kh\u00f4ng b\u1eaft \u0111\u1ea7u ngay sau khi h\u01a1i n\u01b0\u1edbc. N\u00f3 k\u00e9o \u1edf -0,4 \u0111\u1ebfn -0,6 bar. Kh\u00f4ng kh\u00ed v\u00e0 n\u01b0\u1edbc ra nhanh ch\u00f3ng. L\u00e0m m\u00e1t nhanh h\u01a1n 30-50%. H\u1ea1t d\u00ednh v\u00e0o nhau th\u1eadm ch\u00ed c\u00f2n m\u1ea1nh m\u1ebd h\u01a1n. B\u1ec1 m\u1eb7t c\u1ea3m th\u1ea5y m\u1ecbn h\u01a1n. N\u01b0\u1edbc c\u00f2n l\u1ea1i b\u00ean trong gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 4%. C\u00e1c n\u1ee9t h\u1ea7u nh\u01b0 kh\u00f4ng bao gi\u1edd x\u1ea3y ra trong khi c\u00e1c kh\u1ed1i ch\u1edd \u0111\u1ee3i trong kho.<\/p>\n

Trong c\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac, ch\u00e2n kh\u00f4ng d\u1eebng c\u00e1c khu v\u1ef1c n\u1eb7ng v\u00e0 nh\u1eb9 b\u00ean trong kh\u1ed1i. C\u00e1c m\u1eabu tan ch\u1ea3y theo c\u00f9ng m\u1ed9t c\u00e1ch khi kim lo\u1ea1i tr\u00ean 1.400 \u00b0 C \u0111\u00e2m v\u00e0o ch\u00fang. M\u00e1y m\u1edbi s\u1eed d\u1ee5ng l\u1ea1i h\u01a1i n\u01b0\u1edbc. \u0110i\u1ec1u n\u00e0y ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 gi\u00fap h\u00e0nh tinh. Chu k\u1ef3 c\u00f3 th\u1ec3 k\u1ebft th\u00fac trong v\u00f2ng ch\u01b0a \u0111\u1ea7y 15 ph\u00fat. T\u1ed1c \u0111\u1ed9 \u0111\u00f3 l\u00e0 ho\u00e0n h\u1ea3o cho vi\u1ec7c s\u1ea3n xu\u1ea5t nhi\u1ec1u b\u1ed9 ph\u1eadn xe h\u01a1i m\u1ed7i ng\u00e0y.<\/p>\n

\u1ee8ng d\u1ee5ng c\u1ee7a c\u00e1c kh\u1ed1i EPS<\/strong><\/h2>\n

Sau khi c\u1eaft, c\u00e1c kh\u1ed1i EPS \u0111\u00e3 s\u1eb5n s\u00e0ng cho nhi\u1ec1u c\u00f4ng vi\u1ec7c \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. C\u00e1c nh\u00e0 m\u00e1y \u00f4 t\u00f4 s\u1eed d\u1ee5ng ch\u00fang cho \u0111\u1ea7u xi lanh v\u00e0 tr\u01b0\u1eddng h\u1ee3p truy\u1ec1n t\u1ea3i. B\u1ee9c t\u01b0\u1eddng m\u1ecfng xu\u1ed1ng \u0111\u1ebfn 3 mm l\u00e0 c\u00f3 th\u1ec3. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y bay x\u00e2y d\u1ef1ng c\u00e1c b\u1ed9 ph\u1eadn th\u1eed nghi\u1ec7m nhanh ch\u00f3ng cho l\u01b0\u1ee1i tua bin. C\u00e1c kh\u1ed1i \u00e1nh s\u00e1ng gi\u00fap thay \u0111\u1ed5i thi\u1ebft k\u1ebf nhanh ch\u00f3ng.<\/p>\n

C\u00f4ng nh\u00e2n x\u00e2y d\u1ef1ng s\u1eed d\u1ee5ng EPS cho c\u00e1c h\u00ecnh th\u1ee9c n\u1ec1n t\u1ea3ng \u1ea5m \u00e1p. Nh\u01b0ng trong \u0111\u00fac, c\u00e1c kh\u1ed1i t\u1ecfa s\u00e1ng khi l\u00e0m ph\u1ee5 ki\u1ec7n s\u1eaft m\u1ea1nh m\u1ebd. B\u01a1m v\u00e0 van c\u0169ng \u0111\u1ebfn t\u1eeb c\u00e1c kh\u1ed1i n\u00e0y. Undercuts h\u00ecnh th\u1ee9c m\u00e0 kh\u00f4ng c\u00f3 l\u00f5i b\u1ed5 sung. \u00cdt b\u1ed9 ph\u1eadn c\u00f3 ngh\u0129a l\u00e0 c\u00f4ng vi\u1ec7c \u0111\u01a1n gi\u1ea3n h\u01a1n. Cu\u1ed1i c\u00f9ng, c\u00e1c kh\u1ed1i EPS ti\u1ebft ki\u1ec7m l\u00ean \u0111\u1ebfn 20% so v\u1edbi \u0111\u00fac c\u00e1t c\u0169.<\/p>\n

Ch\u1ecdn m\u00e1y \u00e9p kh\u1ed1i EPS ph\u00f9 h\u1ee3p<\/strong><\/h2>\n

Ch\u1ecdn m\u1ed9t m\u00e1y \u00e9p kh\u1ed1i EPS c\u1ea7n suy ngh\u0129 c\u1ea9n th\u1eadn. N\u00f3 ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng g\u00ec nh\u00e0 m\u00e1y c\u1ea7n cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. M\u00e1y l\u00e0m 5-50 m\u00b3 \/ gi\u1edd. \u0110i\u1ec1u n\u00e0y quy\u1ebft \u0111\u1ecbnh bao nhi\u00eau kh\u1ed1i m\u1ed7i ng\u00e0y. Kh\u00f4ng gian khu\u00f4n linh ho\u1ea1t cho ph\u00e9p k\u00edch th\u01b0\u1edbc kh\u00e1c nhau. T\u1ef1 \u0111\u1ed9ng h\u00f3a cao v\u1edbi \u0111i\u1ec1u khi\u1ec3n h\u01a1i servo cung c\u1ea5p ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh m\u1ed7i l\u1ea7n.<\/p>\n

T\u00ecm ki\u1ebfm c\u00e1c m\u00e1y s\u1eed d\u1ee5ng \u00edt n\u0103ng l\u01b0\u1ee3ng, d\u01b0\u1edbi 200 kWh m\u1ed7i t\u1ea5n. Kim lo\u1ea1i m\u1ea1nh ch\u1ed1ng r\u1ec9 \u1edf n\u01a1i \u1ea9m \u01b0\u1edbt. Li\u00ean k\u1ebft d\u1ec5 d\u00e0ng v\u1edbi silo v\u00e0 m\u00e1y s\u1ea5y l\u00e0m cho d\u00f2ng ch\u1ea1y tr\u01a1n tru t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i.<\/p>\n

Nh\u1eefng c\u00e2n nh\u1eafc an to\u00e0n trong \u00e9p kh\u1ed1i EPS<\/strong><\/h2>\n

An to\u00e0n lu\u00f4n l\u00e0 th\u1ee9 nh\u1ea5t khi ch\u1ea1y \u00e9p kh\u1ed1i EPS. H\u01a1i n\u01b0\u1edbc n\u00f3ng c\u1ea7n bao ph\u1ee7 m\u1ea1nh m\u1ebd v\u00e0 van an to\u00e0n \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf 2 bar. C\u00f4ng nh\u00e2n \u0111eo g\u0103ng tay d\u00e0y v\u00e0 b\u1ea3o v\u1ec7 khu\u00f4n m\u1eb7t ch\u1ed1ng b\u1ecfng.<\/p>\n

B\u1ee5i h\u1ea1t c\u1ea7n b\u1ed9 l\u1ecdc t\u1ed1t. Kh\u00f4ng kh\u00ed ph\u1ea3i s\u1ea1ch h\u01a1n 5 mg\/m\u00b3. C\u1eeda v\u1eabn b\u1ecb kh\u00f3a trong khi m\u00e1y ho\u1ea1t \u0111\u1ed9ng. C\u00e1c c\u0103n c\u1ee9 m\u1ea1nh m\u1ebd gi\u1eef cho c\u00e1c \u0111\u01a1n v\u1ecb n\u1eb7ng \u1ed5n \u0111\u1ecbnh. Theo quy t\u1eafc ISO 45001, m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u an to\u00e0n xung quanh c\u00e1c khu v\u1ef1c \u0111\u00fac.<\/p>\n

K\u1ebft lu\u1eadn: C\u00e1c kh\u1ed1i x\u00e2y d\u1ef1ng c\u1ee7a s\u1ef1 \u0111\u1ed5i m\u1edbi<\/strong><\/h2>\n

Qu\u00e1 tr\u00ecnh \u00e9p kh\u1ed1i EPS h\u1ed7 tr\u1ee3 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. N\u00f3 bi\u1ebfn h\u1ea1t \u0111\u01a1n gi\u1ea3n th\u00e0nh m\u00f4 h\u00ecnh th\u00f4ng minh. Nh\u1eefng m\u1eabu n\u00e0y thay \u0111\u1ed5i c\u00e1ch l\u00e0m c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i. M\u1ed7i b\u01b0\u1edbc, t\u1eeb m\u1edf r\u1ed9ng tr\u01b0\u1edbc \u0111\u1ebfn ki\u1ec3m tra cu\u1ed1i c\u00f9ng, gi\u00fap t\u1ea1o ra k\u1ebft qu\u1ea3 ho\u00e0n h\u1ea3o. M\u00e1y m\u00f3c v\u00e0 h\u1ec7 th\u1ed1ng ch\u00e2n kh\u00f4ng m\u1edbi \u0111\u1ea9y l\u0129nh v\u1ef1c \u0111i tr\u01b0\u1edbc. \u0110\u00fac EPS v\u1eabn l\u00e0 c\u01a1 s\u1edf ch\u00ednh cho s\u1ea3n xu\u1ea5t hi\u1ec7n \u0111\u1ea1i, xanh l\u00e1 c\u00e2y v\u00e0 m\u1ea1nh m\u1ebd.<\/p>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h2>\n

Vai tr\u00f2 ch\u00ednh c\u1ee7a c\u00e1c kh\u1ed1i EPS trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t l\u00e0 g\u00ec? <\/strong><\/h3>\n

C\u00e1c kh\u1ed1i EPS cung c\u1ea5p nguy\u00ean li\u1ec7u th\u00f4 \u0111\u1ec3 gia c\u00f4ng c\u00e1c m\u1eabu bay h\u01a1i bay h\u01a1i trong qu\u00e1 tr\u00ecnh \u0111\u1ed5 kim lo\u1ea1i, cho ph\u00e9p thi\u1ebft k\u1ebf ph\u1ee9c t\u1ea1p m\u00e0 kh\u00f4ng c\u00f3 l\u00f5i truy\u1ec1n th\u1ed1ng.<\/p>\n

C\u00f4ng ngh\u1ec7 ch\u00e2n kh\u00f4ng c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kh\u1ed1i EPS cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00fac nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/p>\n

N\u00f3 lo\u1ea1i b\u1ecf kh\u00f4ng kh\u00ed v\u00e0 \u0111\u1ed9 \u1ea9m b\u1ecb m\u1eafc k\u1eb9t, \u0111\u1ea3m b\u1ea3o m\u1eadt \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t v\u00e0 b\u1ec1 m\u1eb7t m\u1ecbn h\u01a1n gi\u00fap t\u0103ng c\u01b0\u1eddng s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u00f4 h\u00ecnh v\u00e0 gi\u1ea3m khuy\u1ebft t\u1eadt \u0111\u00fac nh\u01b0 \u0111\u1ed9 x\u1ed1p.<\/p>\n

Ph\u1ea1m vi m\u1eadt \u0111\u1ed9 n\u00e0o l\u00e0 t\u1ed1i \u01b0u cho c\u00e1c kh\u1ed1i EPS \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t? <\/strong><\/h3>\n

M\u1eadt \u0111\u1ed9 gi\u1eefa 15-25 kg \/ m\u00b3 c\u00e2n b\u1eb1ng kh\u1ea3 n\u0103ng gia c\u00f4ng v\u00e0 \u0111\u1ed9 s\u1ea1ch b\u1ed1c h\u01a1i, gi\u1ea3m thi\u1ec3u d\u01b0 l\u01b0\u1ee3ng trong khi \u0111\u1ed5 nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n

M\u00e1y \u00e9p kh\u1ed1i EPS c\u00f3 th\u1ec3 x\u1eed l\u00fd v\u1eadt li\u1ec7u t\u00e1i ch\u1ebf kh\u00f4ng? <\/strong><\/h3>\n

C\u00f3, m\u00e1y m\u00f3c hi\u1ec7n \u0111\u1ea1i k\u1ebft h\u1ee3p t\u1ef7 l\u1ec7 tr\u1ed9n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 t\u00edch h\u1ee3p l\u00ean \u0111\u1ebfn 30% EPS t\u00e1i ch\u1ebf, th\u00fac \u0111\u1ea9y t\u00ednh b\u1ec1n v\u1eefng m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a kh\u1ed1i.<\/p>\n

Nh\u1eefng khuy\u1ebft t\u1eadt ph\u1ed5 bi\u1ebfn trong \u0111\u00fac kh\u1ed1i EPS l\u00e0 g\u00ec v\u00e0 ch\u00fang \u0111\u01b0\u1ee3c ng\u0103n ch\u1eb7n nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/p>\n

Kho\u1ea3ng tr\u1ed1ng v\u00e0 s\u1ef1 h\u1ee3p nh\u1ea5t kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u th\u00f4ng qua ki\u1ec3m so\u00e1t v\u00e0 th\u00f4ng gi\u00f3 h\u01a1i n\u01b0\u1edbc ch\u00ednh x\u00e1c, v\u1edbi ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 hi\u1ec7u su\u1ea5t \u0111\u00fac \u0111\u00e1ng tin c\u1eady.<\/p>\n

T\u0103ng c\u01b0\u1eddng nh\u00e0 \u0111\u00fac c\u1ee7a b\u1ea1n v\u1edbi thi\u1ebft b\u1ecb \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t cao c\u1ea5p t\u1eeb m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady<\/strong><\/h2>\n

C\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t t\u00ecm c\u00e1ch t\u1ed1i \u01b0u h\u00f3a c\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t chuy\u1ec3n sang c\u00e1c nh\u00e0 cung c\u1ea5p chuy\u00ean ng\u00e0nh cho thi\u1ebft b\u1ecb \u0111\u00e1ng tin c\u1eady, hi\u1ec7u qu\u1ea3 cao. L\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng \u0111\u1ea7u, nh\u00e0 cung c\u1ea5p v\u00e0 nh\u00e0 m\u00e1y c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t ti\u00ean ti\u1ebfn, C\u00f4ng ngh\u1ec7 OC<\/strong><\/a> cung c\u1ea5p c\u00e1c h\u1ec7 th\u1ed1ng turnkey t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u00e0o c\u00e1c quy tr\u00ecnh l\u00e0m vi\u1ec7c hi\u1ec7n c\u00f3. Kh\u00e1m ph\u00e1 ph\u1ea1m vi c\u1ee7a ch\u00fang t\u00f4i, bao g\u1ed3m m\u00e1y \u00e9p h\u00ecnh d\u1ea1ng EPS ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t m\u00f4 h\u00ecnh b\u1ecdt ch\u00ednh x\u00e1c, m\u00e1y \u00e9p b\u1ecdt ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng t\u01b0\u01a1ng th\u00edch v\u1edbi v\u1eadt li\u1ec7u EPS v\u00e0 co-polymer, m\u00e1y \u00e9p th\u1ee7y l\u1ef1c PLC ngang v\u00e0 d\u1ecdc \u0111\u1ec3 t\u1ea1o kh\u1ed1i linh ho\u1ea1t, silo tr\u01b0\u1edfng th\u00e0nh \u0111\u1ec3 l\u01b0u tr\u1eef h\u1ea1t, m\u00e1y s\u1ea5y kh\u00f4ng kh\u00ed trong nh\u00e0 v\u00e0 g\u1eafn tr\u00ean v\u1edbi c\u00f4ng ngh\u1ec7 b\u01a1m nhi\u1ec7t, h\u1ec7 th\u1ed1ng ch\u00e2n kh\u00f4ng trung t\u00e2m \u0111\u1ec3 \u0111\u1ed5 kh\u00f4ng c\u00f3 l\u1ed7i v\u00e0 m\u00e1y tr\u1ed9n s\u01a1n lo\u1ea1i thang m\u00e1y cho l\u1edbp ph\u1ee7 \u0111\u1ed3ng nh\u1ea5t. Li\u00ean h\u1ec7 v\u1edbi OC Technology h\u00f4m nay<\/strong><\/a> t\u1ea1i +86 15988479417 ho\u1eb7c zyh@oc-epc.com<\/a> \u0111\u1ec3 y\u00eau c\u1ea7u b\u00e1o gi\u00e1 t\u00f9y ch\u1ec9nh v\u00e0 n\u00e2ng hi\u1ec7u qu\u1ea3 \u0111\u00fac c\u1ee7a b\u1ea1n v\u1edbi m\u00e1y m\u00f3c s\u00e1ng t\u1ea1o \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh.<\/p>","protected":false},"excerpt":{"rendered":"

Polystyrene m\u1edf r\u1ed9ng (EPS), m\u1ed9t v\u1eadt li\u1ec7u b\u1ecdt nh\u1eb9 v\u00e0 h\u1eefu \u00edch, c\u00f3 m\u1ed9t v\u1ecb tr\u00ed quan tr\u1ecdng trong th\u1ebf gi\u1edbi s\u1ea3n xu\u1ea5t ng\u00e0y nay. N\u00f3 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. \u1ede \u0111\u00f3, c\u00e1c m\u1eabu b\u1ecdt ch\u00ednh x\u00e1c l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i ph\u1ee9c t\u1ea1p. EPS n\u1ed5i ti\u1ebfng v\u00ec gi\u1eef nhi\u1ec7t b\u00ean trong v\u00e0 gi\u1eef m\u1ea1nh m\u1ebd. N\u00f3 gi\u00fap t\u1ea1o ra c\u00e1c m\u1eabu bi\u1ebfn m\u1ea5t ho\u00e0n to\u00e0n khi n\u00f3ng […]<\/p>","protected":false},"author":3,"featured_media":4757,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[160],"tags":[],"class_list":["post-4759","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"jetpack_publicize_connections":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4759","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/comments?post=4759"}],"version-history":[{"count":1,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4759\/revisions"}],"predecessor-version":[{"id":4760,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4759\/revisions\/4760"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media\/4757"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media?parent=4759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/categories?post=4759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/tags?post=4759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}