{"id":4192,"date":"2025-03-25T11:50:21","date_gmt":"2025-03-25T03:50:21","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4192"},"modified":"2025-03-21T16:01:48","modified_gmt":"2025-03-21T08:01:48","slug":"how-eps-pre-expander-machines-work-for-lost-foam-process","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/vi\/tin-tuc-blog\/tin-tuc-nganh\/lam-the-nao-may-mo-rong-truoc-eps-lam-viec-cho-qua-trinh-bot-bi-mat\/","title":{"rendered":"C\u00e1ch c\u00e1c m\u00e1y m\u1edf r\u1ed9ng EPS ho\u1ea1t \u0111\u1ed9ng cho qu\u00e1 tr\u00ecnh x\u1ed1p b\u1ecb m\u1ea5t"},"content":{"rendered":"
K\u1ef9 thu\u1eadt \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t l\u00e0 m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn hi\u1ec7u qu\u1ea3 \u0111\u00e1ng k\u1ec3 \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c th\u00e0nh ph\u1ea7n kim lo\u1ea1i ph\u1ee9c t\u1ea1p v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c tuy\u1ec7t v\u1eddi v\u1ec1 k\u00edch th\u01b0\u1edbc. EPS m\u00e1y m\u1edf r\u1ed9ng<\/b><\/u><\/strong><\/a>\u00a0Tr\u1edf th\u00e0nh m\u1ed9t y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu trong s\u1ea3n xu\u1ea5t b\u1ecdt b\u1ecb m\u1ea5t.<\/p>\n M\u1ea5t b\u1ecdt \u0111\u00fac<\/b><\/u><\/strong><\/a>\u00a0S\u1eed d\u1ee5ng polystyrene (EPS) m\u1edf r\u1ed9ng ho\u1eb7c c\u00e1c ch\u1ea5t n\u1ed5i b\u1eadt t\u01b0\u01a1ng t\u1ef1 \u0111\u1ec3 t\u1ea1o ra m\u1ed9t m\u00f4 h\u00ecnh m\u00e0 kim lo\u1ea1i n\u00f3ng ch\u1ea3y cu\u1ed1i c\u00f9ng s\u1ebd thay th\u1ebf.<\/p>\n C\u00e1c m\u00e1y EPS Pre-expander gi\u1eef m\u1ed9t v\u1ecb tr\u00ed quan tr\u1ecdng trong vi\u1ec7c qu\u1ea3n l\u00fd c\u00e1ch c\u00e1c h\u1ea1t polystyrene s\u01b0ng l\u00ean \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ed9 d\u00e0y v\u00e0 t\u00ednh \u0111\u1ec1u \u0111\u1eb7n \u01b0a th\u00edch.<\/p>\n M\u1ed9t m\u00e1y m\u1edf r\u1ed9ng EPS th\u01b0\u1eddng bao g\u1ed3m m\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn quan tr\u1ecdng.<\/p>\n Tr\u01b0\u1edbc khi s\u01b0ng b\u1eaft \u0111\u1ea7u, c\u00e1c ch\u1ea5t th\u00f4, gi\u1ed1ng nh\u01b0 c\u00e1c h\u1ea1t EPS, c\u00e1c ch\u1ea5t ph\u1ee5 gia ch\u1ed1ng ch\u00e1y (FD) v\u00e0 copolyme, \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn chu \u0111\u00e1o v\u00e0 s\u1eb5n s\u00e0ng.<\/p>\n EPS \u0111\u01b0\u01a1ng \u0111\u1ea1i tr\u01b0\u1edbc khi m\u1edf r\u1ed9ng s\u1eed d\u1ee5ng c\u1ea3 \u0111i\u1ec7n t\u1eeb v\u00e0 s\u01b0\u1edfi \u1ea5m h\u01a1i n\u01b0\u1edbc \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh tinh x\u1ea3o c\u00e1c h\u1ea1t b\u1ecdt.<\/p>\n T\u1ef1 \u0111\u1ed9ng h\u00f3a PLC cho ph\u00e9p c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec1u ch\u1ec9nh v\u00e0 thi\u1ebft l\u1eadp c\u00e1c y\u1ebfu t\u1ed1 m\u1edf r\u1ed9ng nh\u01b0 nhi\u1ec7t, \u00e1p su\u1ea5t v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a h\u1ea1t v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n Sau khi m\u1edf r\u1ed9ng, c\u00e1c h\u1ea1t di chuy\u1ec3n v\u00e0o m\u1ed9t h\u1ec7 th\u1ed1ng r\u00e2y gi\u01b0\u1eddng l\u1ecfng.<\/p>\n EPS c\u0169 h\u01a1n tr\u01b0\u1edbc khi m\u1edf r\u1ed9ng ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o h\u01a1i n\u01b0\u1edbc cho s\u01b0ng h\u1ea1t.<\/p>\n M\u1ed9t r\u00e0o c\u1ea3n quan tr\u1ecdng trong EPS tr\u01b0\u1edbc khi m\u1edf r\u1ed9ng l\u00e0 vi\u1ec7c t\u1ea1o ra c\u00e1c h\u1ea1t ch\u1ebft c\u1ee7a ng\u01b0\u1eddi H\u1ed3i gi\u00e1o, c\u00e1c th\u00e0nh ph\u1ea7n m\u1edf r\u1ed9ng v\u00e0 c\u1ea3n tr\u1edf vi\u1ec7c l\u00e0m \u0111\u1ea7y khu\u00f4n.<\/p>\n \u0110\u1ed9 ch\u00ednh x\u00e1c trong \u0111\u1ed9 d\u00e0y c\u1ee7a h\u1ea1t l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 gi\u1eef \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n \u0110\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ef1 an to\u00e0n v\u00e0 \u0111\u1ed9 tin c\u1eady trong ho\u1ea1t \u0111\u1ed9ng, c\u00e1c tr\u01b0\u1edbc khi m\u1edf r\u1ed9ng EPS n\u00e2ng cao bao g\u1ed3m c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 c\u1eaft \u0111i\u1ec7n.<\/p>\n Trung Qu\u1ed1c \u0111\u00e3 t\u0103ng l\u00ean nh\u01b0 m\u1ed9t ng\u01b0\u1eddi ch\u01a1i h\u00e0ng \u0111\u1ea7u tr\u00ean to\u00e0n c\u1ea7u trong s\u1ea3n xu\u1ea5t tr\u01b0\u1edbc EPS, cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn th\u00e2n thi\u1ec7n v\u1edbi ng\u00e2n s\u00e1ch m\u00e0 kh\u00f4ng c\u1ea7n l\u01b0\u1edbt qua ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n
<\/p>\nQu\u00e1 tr\u00ecnh x\u1ed1p b\u1ecb m\u1ea5t l\u00e0 g\u00ec?<\/strong><\/h2>\n
T\u1ea1i sao c\u00e1c m\u00e1y m\u1edf r\u1ed9ng EPS l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ea1t b\u1ecdt ch\u1ea5t l\u01b0\u1ee3ng<\/strong><\/h2>\n
C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a m\u00e1y m\u1edf r\u1ed9ng EPS<\/strong><\/h2>\n
C\u00e1ch c\u00e1c m\u00e1y m\u1edf r\u1ed9ng EPS ho\u1ea1t \u0111\u1ed9ng: m\u1ed9t s\u1ef1 c\u1ed1 t\u1eebng b\u01b0\u1edbc<\/strong><\/h2>\n
<\/p>\nGiai \u0111o\u1ea1n 1: Chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u th\u00f4 (EPS, FD, copolyme)<\/b><\/strong><\/h3>\n
Giai \u0111o\u1ea1n 2: Qu\u00e1 tr\u00ecnh t\u1ea1o b\u1ecdt lai \u0111i\u1ec7n t\u1eeb & h\u01a1i n\u01b0\u1edbc<\/b><\/strong><\/h3>\n
Giai \u0111o\u1ea1n 3: T\u1ef1 \u0111\u1ed9ng h\u00f3a PLC \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c<\/b><\/strong><\/h3>\n
Giai \u0111o\u1ea1n 4: S\u00e0ng l\u1ecdc v\u00e0 tr\u01b0\u1edfng th\u00e0nh gi\u01b0\u1eddng l\u1ecfng<\/b><\/strong><\/h3>\n
\u0110\u1ed5i m\u1edbi k\u1ef9 thu\u1eadt trong c\u00e1c m\u00e1y m\u1edf tr\u01b0\u1edbc EPS hi\u1ec7n \u0111\u1ea1i<\/strong><\/h2>\n
H\u1ec7 th\u1ed1ng s\u01b0\u1edfi \u0111i\u1ec7n t\u1eeb so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p h\u01a1i n\u01b0\u1edbc truy\u1ec1n th\u1ed1ng<\/b><\/strong><\/h3>\n
Tr\u00e1nh nh\u1eefng h\u1ea1t ch\u1ebft ch\u1ebft \"v\u1edbi c\u00e1c bu\u1ed3ng t\u1ea1o b\u1ecdt kh\u00f4, kh\u00f4ng c\u00f3 n\u01b0\u1edbc<\/b><\/strong><\/h3>\n
H\u1ec7 th\u1ed1ng c\u00e2n \u0111i\u1ec7n t\u1eed cho \u0111\u1ed9 ch\u00ednh x\u00e1c \u00b1 1g<\/b><\/strong><\/h3>\n
C\u00e1c t\u00ednh n\u0103ng b\u1ea3o v\u1ec7 r\u00f2 r\u1ec9 & \u0111i\u1ec7n<\/b><\/strong><\/h3>\n
T\u1ea1i sao Trung Qu\u1ed1c d\u1eabn \u0111\u1ea7u trong EPS Pre-expander Machine<\/strong><\/h2>\n
Gi\u1ea3i ph\u00e1p b\u00e1n bu\u00f4n hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed t\u1eeb c\u00e1c nh\u00e0 m\u00e1y Trung Qu\u1ed1c<\/b><\/strong><\/h3>\n
<\/p>\nT\u1ef1 \u0111\u1ed9ng h\u00f3a n\u00e2ng cao trong c\u00e1c m\u00e1y c\u00f4ng ngh\u1ec7 H\u00e0ng Ch\u00e2u Ouchen<\/b><\/strong><\/h3>\n