{"id":13977,"date":"2020-04-21T07:28:46","date_gmt":"2020-04-21T07:28:46","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=13977"},"modified":"2020-05-07T00:22:37","modified_gmt":"2020-05-07T00:22:37","slug":"what-is-melt-blown-non-woven-fiber-nozzle","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/what-is-melt-blown-non-woven-fiber-nozzle\/","title":{"rendered":"V\u00f2i phun s\u1ee3i kh\u00f4ng d\u1ec7t Melt-th\u1ed5i l\u00e0 g\u00ec?"},"content":{"rendered":"
\n

Trong nh\u1eefng th\u00e1ng g\u1ea7n \u0111\u00e2y, nhu c\u1ea7u th\u1ecb tr\u01b0\u1eddng m\u1eb7t n\u1ea1 r\u1ea5t l\u1edbn, th\u00fac \u0111\u1ea9y chu\u1ed7i ng\u00e0nh c\u00f4ng nghi\u1ec7p li\u00ean quan \u0111\u1ebfn m\u1eb7t n\u1ea1 c\u0169ng b\u1eadn r\u1ed9n v\u1edbi vi\u1ec7c s\u1ea3n xu\u1ea5t. Nh\u1eefng ng\u01b0\u1eddi \u0111\u0103ng k\u00fd trong ng\u00e0nh gia c\u00f4ng \u01b0\u1edbc t\u00ednh r\u1eb1ng h\u1ecd \u0111\u00e3 nghe n\u00f3i v\u1ec1 ba s\u1ea3n ph\u1ea9m ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1edfi m\u00e1y m\u1eb7t n\u1ea1: con l\u0103n in, \u0111\u1ea7u ch\u1ebft th\u1ed5i v\u00e0 m\u00e1y nhi\u1ec7t h\u1ea1ch si\u00eau \u00e2m. H\u00f4m nay ch\u00fang ta h\u00e3y n\u00f3i v\u1ec1 c\u00e1i \u0111\u1ea7u tan ch\u1ea3y.<\/p>\n\n\n\n

B\u1eaft \u0111\u1ea7u t\u1eeb tr\u00e1i tim c\u1ee7a ng\u01b0\u1eddi H\u1ed3i gi\u00e1o c\u1ee7a m\u1eb7t n\u1ea1, vi\u1ec7c s\u1ea3n xu\u1ea5t v\u1ea3i th\u1ed5i tan ch\u1ea3y kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi kh\u1ecfi \u0111\u1ea7u ch\u1ebft th\u1ed5i tan ch\u1ea3y. T\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a vi\u1ec7c x\u1ea3 \u0111\u1ea7u ch\u1ebft th\u1ed5i tan \u0111\u00f3ng vai tr\u00f2 quy\u1ebft \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a v\u1ea3i th\u1ed5i tan. V\u00ec v\u1eady, l\u00e0m th\u1ebf n\u00e0o l\u00e0 \u0111\u1ea7u th\u1ed5i tan ch\u1ea3y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n?<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 s\u1ea3n xu\u1ea5t s\u1ee3i th\u1ed5i tan ch\u1ea3y?<\/strong><\/h2>\n\n\n\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t h\u00ecnh \u1ea3nh \u0111\u1ec3 ch\u00fang ta hi\u1ec3u v\u1ecb tr\u00ed quan tr\u1ecdng c\u1ee7a v\u1ea3i th\u1ed5i tan trong m\u1eb7t n\u1ea1. H\u00ecnh d\u01b0\u1edbi \u0111\u00e2y cho th\u1ea5y v\u1ecb tr\u00ed v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1ea3i th\u1ed5i tan c\u1ee7a m\u1eb7t n\u1ea1 N95:<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

H\u00ecnh 1. Khung nh\u00ecn m\u1eb7t c\u1eaft c\u1ee7a m\u1eb7t n\u1ea1 N95, \u0111\u01b0\u1ee3c ch\u1ee5p b\u1eb1ng k\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed qu\u00e9t<\/strong><\/p>\n\n\n\n

T\u1eeb video d\u01b0\u1edbi \u0111\u00e2y, h\u00e3y xem c\u00e1ch s\u1ea3n xu\u1ea5t v\u1ea3i tan ch\u1ea3y.<\/p>\n\n\n\n

Quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u1ea3i th\u1ed5i n\u00f3ng ch\u1ea3y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: lo\u1ea1i ngang v\u00e0 lo\u1ea1i d\u1ecdc. Con s\u1ed1 \u0111\u01a1n gi\u1ea3n nh\u01b0 sau:<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

H\u00ecnh 2. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u1ea3i th\u1ed5i tan<\/strong><\/p>\n\n\n\n

Quy tr\u00ecnh c\u00f4ng ngh\u1ec7 th\u1ed5i tan: chu\u1ea9n b\u1ecb polymer \u2192 \u00e9p \u0111\u00f9n \u2192 b\u01a1m \u0111\u1ecbnh l\u01b0\u1ee3ng \u2192 l\u1eafp r\u00e1p \u0111\u1ea7u th\u1ed5i tan ch\u1ea3y \u2192 v\u1ebd ch\u1ea3y d\u00f2ng ch\u1ea3y m\u1ecbn \u2192 l\u00e0m m\u00e1t \u2192 thi\u1ebft b\u1ecb nh\u1eadn.<\/p>\n\n\n\n

Trong s\u1ed1 \u0111\u00f3, vai tr\u00f2 c\u1ee7a ch\u1ebft th\u1ed5i tan ch\u1ea3y l\u00e0 thay \u0111\u1ed5i tan ch\u1ea3y polymer ho\u1eb7c dung d\u1ecbch \u1edf tr\u1ea1ng th\u00e1i ch\u1ea3y nh\u1edbt th\u00e0nh d\u00f2ng ch\u1ea3y m\u1ecbn v\u1edbi m\u1eb7t c\u1eaft c\u1ee5 th\u1ec3 qua micropore v\u00e0 t\u1ea1o th\u00e0nh d\u00e2y t\u00f3c qua m\u00f4i tr\u01b0\u1eddng h\u00f3a r\u1eafn nh\u01b0 kh\u00f4ng kh\u00ed ho\u1eb7c t\u1eafm h\u00f3a r\u1eafn.<\/p>\n\n\n\n

V\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t PP Polypropylen \u0111i v\u00e0o k\u00eanh d\u00f2ng ch\u1ea3y c\u1ee7a \u0111\u1ea7u ch\u1ebft th\u1ed5i sau khi h\u00f3a d\u1ebbo, v\u00e0 sau \u0111\u00f3 \u0111i v\u00e0o m\u00e1y tr\u1ed9n sau khi ph\u00e2n ph\u1ed1i \u0111\u1ed3ng \u0111\u1ec1u. Nhi\u1ec7t \u0111\u1ed9 cao, t\u1ed1c \u0111\u1ed9 cao v\u00e0 \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed n\u00f3ng t\u1ea1o th\u00e0nh c\u00e1c s\u1ea3n ph\u1ea9m kh\u00f4ng d\u1ec7t th\u1ed5i tan ch\u1ea3y, \u0111\u00e2y l\u00e0 v\u1eadt li\u1ec7u l\u1ecdc quan tr\u1ecdng nh\u1ea5t trong l\u1edbp gi\u1eefa c\u1ee7a m\u1eb7t n\u1ea1.<\/p>\n\n\n\n

\u0110\u1ec3 \u0111\u1ea1t \u0111\u1ebfn c\u1ea5p \u0111\u1ed9 y t\u1ebf, vi\u1ec7c x\u1ea3 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a \u0111\u1ea7u ch\u1ebft th\u1ed5i tan ch\u1ea3y \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ea3i r\u1ea5t cao. Ti\u1ebfp theo, h\u00e3y t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 c\u00e1ch l\u00e0m cho \u0111\u1ea7u ch\u1ebft tan ch\u1ea3y \u0111\u01b0\u1ee3c t\u1ea1o ra.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n


\u0110\u1ed1i v\u1edbi vi\u1ec7c s\u1ea3n xu\u1ea5t \u0111\u1ea7u ch\u1ebft th\u1ed5i tan ch\u1ea3y, \u0111\u00e2y l\u00e0 \u0111i\u1ec3m m\u1ea5u ch\u1ed1t v\u00e0 kh\u00f3 kh\u0103n \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c l\u1ed7 nh\u1ecf c\u1ee7a spinneret.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n


Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u1ea3i th\u1ed5i tan ch\u1ea3y, polypropylen (PP) \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch bay ra c\u00e1c micropores spinneret c\u1ee7a \u0111\u1ea7u ch\u1ebft th\u1ed5i tan ch\u1ea3y, v\u1edbi \u0111\u01b0\u1eddng k\u00ednh t\u1ed1i thi\u1ec3u c\u1ee7a micropores l\u00e0 0,1-0,3mm. H\u1ea7u h\u1ebft c\u00e1c \u0111\u1ea7u ch\u1ebft th\u1ed5i tan ch\u1ea3y l\u00e0 c\u00e1c spinner h\u00ecnh ch\u1eef nh\u1eadt, th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng SUS316L, SUS304, sus630, sus431 v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c. H\u00ecnh d\u1ea1ng ph\u1ea7n \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd micropores tr\u00ean v\u1eadt li\u1ec7u c\u1ee9ng bao g\u1ed3m s\u1eed d\u1ee5ng x\u1ecf l\u1ed7; vi\u1ec7c s\u1eed d\u1ee5ng Mikron, Muye V33, B\u1eafc Kinh Jingdiao, anh trai, Taiqun v\u00e0 c\u00e1c trung t\u00e2m x\u1eed l\u00fd kh\u00e1c \u0111\u1ec3 s\u1ea3n xu\u1ea5t khoan vi m\u00f4; vi\u1ec7c s\u1eed d\u1ee5ng Muye ph\u00e1t h\u00e0nh s\u1ea3n xu\u1ea5t \u0111\u1ed9ng c\u01a1. Ti\u1ebfp theo, ch\u00fang t\u00f4i s\u1ebd m\u1edf r\u1ed9ng c\u1ee5 th\u1ec3:<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd ch\u00ednh<\/strong><\/strong><\/h2>\n\n\n\n

Khoan trung t\u00e2m gia c\u00f4ng<\/strong><\/strong><\/h3>\n\n\n\n

L\u1ed7 micro Spinneret th\u01b0\u1eddng \u0111\u01b0\u1ee3c khoan b\u1edfi trung t\u00e2m gia c\u00f4ng, nh\u01b0ng tu\u1ed5i th\u1ecd dao kh\u00f4ng \u1ed5n \u0111\u1ecbnh v\u00ec l\u1ed7 qu\u00e1 nh\u1ecf. M\u1ed9t khi m\u00e1y c\u1eaft d\u1ef1 \u0111o\u00e1n b\u1ecb h\u1ecfng tr\u01b0\u1edbc th\u1eddi h\u1ea1n, th\u1eadm ch\u00ed to\u00e0n b\u1ed9 m\u00e1y tr\u1ed9n s\u1ebd b\u1ecb lo\u1ea1i b\u1ecf khi kh\u00f4ng th\u1ec3 l\u1ea5y ra bit. X\u1eed l\u00fd m\u1ed9t l\u1ed7 micro spinneret \u03a6 0,2mm, th\u1eddi gian x\u1eed l\u00fd kho\u1ea3ng 30 gi\u00e2y v\u00e0 m\u1ed9t m\u0169i khoan t\u1ed1t c\u00f3 th\u1ec3 khoan h\u01a1n 300 l\u1ed7.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Phi\u00ean b\u1ea3n n\u00e2ng cao: gia c\u00f4ng tr\u1ee5c ch\u00ednh<\/strong><\/strong><\/h3>\n\n\n\n

Trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd micropores spinneret, khoan trong trung t\u00e2m gia c\u00f4ng l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn. Tuy nhi\u00ean, c\u00f3 m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf trong vi\u1ec7c c\u1ea3i thi\u1ec7n n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t. M\u1ed9t l\u00e0 hi\u1ec7u su\u1ea5t gia c\u00f4ng c\u1ee7a tr\u1ee5c ch\u00ednh chung kh\u00f4ng cao, v\u00e0 th\u1ee9 hai l\u00e0 s\u1ef1 dao \u0111\u1ed9ng tu\u1ed5i th\u1ecd c\u1ee7a d\u1ee5ng c\u1ee5 s\u1ebd d\u1eabn \u0111\u1ebfn vi\u1ec7c c\u1eaft tr\u01b0\u1edbc, \u0111i\u1ec1u n\u00e0y s\u1ebd d\u1eabn \u0111\u1ebfn vi\u1ec7c lo\u1ea1i b\u1ecf to\u00e0n b\u1ed9 khu\u00f4n do kh\u00f3 kh\u0103n trong vi\u1ec7c l\u1ea5y m\u0169i khoan. Vi\u1ec7c s\u1eed d\u1ee5ng tr\u1ee5c ch\u00ednh c\u01a1 gi\u1edbi t\u1ed1c \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c cao s\u1ebd gi\u00fap gi\u1ea3i quy\u1ebft hai v\u1ea5n \u0111\u1ec1 tr\u00ean.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u0110i\u1ec1u khi\u1ec3n tia l\u1eeda \u0111i\u1ec7n<\/strong><\/strong><\/h2>\n\n\n\n

N\u00f3 c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 khoan bit b\u1ecb h\u1ecfng v\u00e0 burr \u1edf ph\u00eda d\u01b0\u1edbi.<\/p>\n\n\n\n

\u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, m\u1ed9t s\u1ed1 nh\u00e0 m\u00e1y s\u1eed d\u1ee5ng \u0111i\u1ec7n c\u1ef1c than ch\u00ec th\u1ea5m \u0111\u1ed3ng. B\u1edfi v\u00ec \u0111i\u1ec7n c\u1ef1c kh\u00f4ng d\u1ec5 ch\u1ebf t\u1ea1o, v\u00e0 \u0111i\u1ec7n c\u1ef1c \u0111\u1ed3ng d\u1ec5 t\u1ea1o ra v\u1ec7t v\u00e0 bi\u1ebfn d\u1ea1ng.<\/p>\n\n\n\n

C\u00f4ng ngh\u1ec7 khoan laser<\/strong><\/strong><\/h3>\n\n\n\n

M\u1ed9t s\u1ed1 nh\u00e0 m\u00e1y s\u1eed d\u1ee5ng tia laser \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c l\u1ed7 si\u00eau nh\u1ecf. C\u00f4ng ngh\u1ec7 khoan laser l\u00e0 s\u1eed d\u1ee5ng ch\u00f9m tia laser m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng cao \u0111\u1ec3 chi\u1ebfu x\u1ea1 v\u1eadt li\u1ec7u \u0111\u00e3 x\u1eed l\u00fd, \u0111\u1ec3 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 h\u00f3a h\u01a1i nhanh ch\u00f3ng, v\u00e0 s\u1ef1 h\u00f3a h\u01a1i t\u1ea1o th\u00e0nh l\u1ed7. \u01afu \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a n\u00f3 l\u00e0 hi\u1ec7u qu\u1ea3 gia c\u00f4ng cao, ch\u1ec9 v\u00e0i gi\u00e2y \u0111\u1ec3 x\u1eed l\u00fd l\u1ed7, nh\u01b0ng thi\u1ebft b\u1ecb x\u1eed l\u00fd t\u01b0\u01a1ng \u1ee9ng r\u1ea5t t\u1ed1n k\u00e9m.<\/p>\n\n\n\n

C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ee7a tan ch\u1ea3y \u0111\u1ea7u ch\u1ebft trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc<\/strong><\/strong><\/h3>\n\n\n\n

Y\u00eau c\u1ea7u ch\u00ednh x\u00e1c c\u1ee7a \u0111\u1ea7u th\u1ed5i tan ch\u1ea3y l\u00e0 r\u1ea5t cao, v\u00e0 r\u1ea5t kh\u00f3 x\u1eed l\u00fd. Ch\u1ec9 c\u00f3 m\u1ed9t v\u00e0i doanh nghi\u1ec7p tr\u00ean th\u1ebf gi\u1edbi c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t nh\u1eefng c\u00e1i \u0111\u1ea7u th\u1ed5i tan ch\u1ea3y cao c\u1ea5p. C\u00e1c nh\u00e0 cung c\u1ea5p ch\u00ednh \u1edf Nh\u1eadt B\u1ea3n v\u00e0 \u0110\u1ee9c, nh\u01b0 Carson, spinneret Nh\u1eadt B\u1ea3n, enka, v.v., v\u00e0 th\u1eddi gian x\u1eed l\u00fd s\u1ebd m\u1ea5t v\u00e0i th\u00e1ng.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

In recent months, the mask market demand is massive, driving the mask related industry chain is also busy with production. Subscribers in the machining industry estimate that they have heard of three popular products produced by mask machines: printing rollers, melt blown die heads and ultrasonic fusion machines. Let’s talk about the meltblown die head…<\/p>","protected":false},"author":2,"featured_media":13982,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[79],"tags":[],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/04\/\u56fe\u72475-4.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/13977"}],"collection":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/comments?post=13977"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/13977\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media\/13982"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=13977"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=13977"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=13977"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}