{"id":3747,"date":"2026-07-02T06:27:53","date_gmt":"2026-07-02T06:27:53","guid":{"rendered":"https:\/\/tcpel.net\/blog\/biomass-hammer-mill-guide\/"},"modified":"2026-07-02T06:27:53","modified_gmt":"2026-07-02T06:27:53","slug":"biomass-hammer-mill-guide","status":"publish","type":"post","link":"https:\/\/tcpel.net\/vi\/blog\/biomass-hammer-mill-guide\/","title":{"rendered":"Biomass Hammer Mill: H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng nguy\u00ean li\u1ec7u \u0111\u1ec3 nghi\u1ec1n r\u01a1m, tr\u1ea5u, b\u00e3 m\u00eda & g\u1ed7 cho vi\u00ean"},"content":{"rendered":"
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C\u1eadp nh\u1eadt th\u00e1ng 7 n\u0103m 2026. \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 b\u1edfi \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt ALLWIN INTERNATIONAL CO., LTD (TCPEL).<\/p>\n

A sinh kh\u1ed1i hammer mill<\/strong> l\u00e0 m\u00e1y m\u00e0i t\u00e1c \u0111\u1ed9ng bi\u1ebfn nguy\u00ean li\u1ec7u c\u1ed3ng k\u1ec1nh v\u1ea7 g\u1ed7<\/em> Chip, m\u00f9n c\u01b0a, r\u01a1m, tr\u1ea5u, b\u00e3 m\u00eda, th\u00e2n c\u00e2y ng\u00f4, th\u00e2n c\u00e2y b\u00f4ng v\u00e0 c\u00e1c t\u00e0n d\u01b0 c\u00e2y tr\u1ed3ng kh\u00e1c, v\u00e0o c\u00e1c h\u1ea1t m\u1ecbn, \u0111\u1ed3ng nh\u1ea5t m\u1ed9t nh\u00e0 m\u00e1y th\u1ee9c \u0103n vi\u00ean ho\u1eb7c d\u00f2ng nhi\u00ean li\u1ec7u sinh h\u1ecdc c\u1ea7n. \u0111i\u1ec1u m\u00e0 h\u1ea7u h\u1ebft ng\u01b0\u1eddi mua b\u1ecf l\u1ee1: \u201csinh kh\u1ed1i\u201d kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u. m\u1ed9t nh\u00e0 m\u00e1y xay m\u00f9n c\u01b0a th\u00f4ng s\u1ea1ch v\u1edbi gi\u00e1 r\u1ebb c\u00f3 th\u1ec3 \u0111\u1ed1t ch\u00e1y qua hammers v\u00e0 s\u00e0ng l\u1ecdc tr\u00ean tr\u1ea5u, b\u1edfi v\u00ec hai nguy\u00ean li\u1ec7u kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nhau b\u00ean trong bu\u1ed3ng nghi\u1ec1n. H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c xung quanh th\u1ef1c t\u1ebf \u0111\u00f3, c\u00e1ch th\u1ee9c nguy\u00ean li\u1ec7u kh\u00e1c nhau xay, m\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn, v\u00e0 chi ph\u00ed \u0111\u1ec3 x\u1eed l\u00fd, ch\u1ee9 kh\u00f4ng ph\u1ea3i xung quanh m\u1ed9t m\u00e1y.<\/p>\n

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Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt nhanh, Biomass Hammer Mill (ph\u1ea1m vi \u0111i\u1ec3n h\u00ecnh)<\/h3>\n\n\n\n\n\n\n\n\n
K\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ea7u ra<\/td>\n1\u201310 mm; \u22643,35 mm<\/strong> \u0111\u1ed1i v\u1edbi khu\u00f4n vi\u00ean g\u1ed7<\/td>\n<\/tr>\n
Kh\u1ea9u \u0111\u1ed9 m\u00e0n h\u00ecnh<\/td>\n2 l\u1ed7 th\u1ee7ng -12 mm<\/td>\n<\/tr>\n
T\u1ed1c \u0111\u1ed9 \u0111\u1ea7u c\u00e1nh qu\u1ea1t<\/td>\n~60\u2013100 m\/s (\u22483000 r\/ph\u00fat)<\/td>\n<\/tr>\n
\u0110\u1ed9 \u1ea9m th\u1ee9c \u0103n<\/td>\nd\u01b0\u1edbi ~14\u201315% \u0111\u1ec3 tr\u00e1nh b\u1ecb ch\u00f3i m\u00e0n h\u00ecnh<\/td>\n<\/tr>\n
N\u0103ng l\u01b0\u1ee3ng nghi\u1ec1n c\u1ee5 th<\/td>\n~11 kWh\/t\u1ea5n kh\u00f4 (d\u0103m g\u1ed7 kh\u00f4) l\u00ean \u0111\u1ebfn ~26 kWh\/t\u1ea5n kh\u00f4 (ng\u00f4 stover); nguy\u00ean li\u1ec7u- v\u00e0 m\u00e0n h\u00ecnh-ph\u1ee5 thu\u1ed9c<\/td>\n<\/tr>\n
Tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n m\u1eb7c chi\u1ebfm \u01b0u th\u1ebf<\/td>\nh\u00e0m l\u01b0\u1ee3ng tro\/silica trong nguy\u00ean li\u1ec7u th\u00f4, kh\u00f4ng ph\u1ea3i \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e1c ph\u1ea1m vi d\u00e0nh cho vi\u1ec7c s\u1eed d\u1ee5ng k\u1ebf ho\u1ea1ch gi\u00e1o d\u1ee5c, b\u1eaft ngu\u1ed3n t\u1eeb DOE\/INL \u0111\u00e3 xu\u1ea5t b\u1ea3n v\u00e0 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c b\u00ecnh duy\u1ec7t; c\u1ee7a b\u1ea1n<\/em> s\u1ed1 l\u01b0\u1ee3ng th\u1ef1c t\u1ebf s\u1ebd thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o nguy\u00ean li\u1ec7u, \u0111\u1ed9 \u1ea9m v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ee5c ti\u00eau.<\/p>\n<\/div>\n

Nh\u1eefng g\u00ec m\u1ed9t Biomass Hammer Mill Does, v\u00e0 N\u01a1i N\u00f3 Ng\u1ed3i trong D\u00f2ng<\/h2>\n
\"Nh\u1eefng<\/figure>\n

V\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc, m\u1ed9t m\u00e1y nghi\u1ec1n hammer sinh kh\u1ed1i kh\u00e1 \u0111\u01a1n gi\u1ea3n: m\u1ed9t r\u00f4to t\u1ed1c \u0111\u1ed9 cao quay, xoay t\u1ef1 do ho\u1eb7c c\u1ed1 \u0111\u1ecbnh hammers nghi\u1ec1n n\u00e1t v\u00e0 nghi\u1ec1n th\u00e0nh b\u1ed9t nguy\u00ean li\u1ec7u th\u00f4 ch\u1ed1ng l\u1ea1i c\u00e1c t\u1ea5m ng\u1eaft cho \u0111\u1ebfn khi c\u00e1c m\u1ea3nh \u0111\u1ee7 nh\u1ecf \u0111\u1ec3 r\u01a1i qua m\u00e0n h\u00ecnh \u0111\u1ee5c l\u1ed7. m\u00e0n h\u00ecnh x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc h\u1ea1t t\u1ed1i \u0111a; b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec kh\u00f4ng \u0111i qua \u0111\u1ec1u \u0111\u01b0\u1ee3c tu\u1ea7n ho\u00e0n cho \u0111\u1ebfn khi n\u00f3 \u0111i qua.<\/p>\n

(C\u00e1c nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 li\u1ec7t k\u00ea c\u00f9ng m\u1ed9t m\u00e1y nh\u01b0 m\u00e1y nghi\u1ec1n hammer cho sinh kh\u1ed1i, m\u00e1y nghi\u1ec1n sinh kh\u1ed1i, m\u00e1y nghi\u1ec1n ho\u1eb7c m\u00e1y nghi\u1ec1n b\u1ed9t, ho\u1eb7c m\u00e1y nghi\u1ec1n g\u1ed7 sinh kh\u1ed1i; m\u1ed9t s\u1ed1 danh m\u1ee5c r\u00fat ng\u1eafn n\u00f3 th\u00e0nh hammermill.) (\u0110\u1ec3 bi\u1ebft s\u01a1 \u0111\u1ed3 v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn c\u1ed1t l\u00f5i, h\u00e3y xem c\u1ee7a ch\u00fang t\u00f4i g\u1ed7 hammer nguy\u00ean t\u1eafc l\u00e0m vi\u1ec7c nh\u00e0 m\u00e1y<\/a> b\u00e0i vi\u1ebft \u2013 we won't repeat it here.)<\/p>\n

\u0110i\u1ec1u m\u00e0 L\u1eeba c\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch l\u00e0 nh\u00e0 m\u00e1y \u0111\u01b0\u1ee3c \u0111\u1eb7t bao xa.M\u1ed9t nh\u00e0 m\u00e1y vi\u00ean ho\u1eb7c than b\u00e1nh th\u01b0\u1eddng c\u00f3 chu\u1ed7i gi\u1ea3m hai giai \u0111o\u1ea1n: a tr\u1ed1ng g\u1ed7 chipper<\/a> gi\u1ea3m logs\/ch\u00e9m xu\u1ed1ng ~ 30 chip mm, sau \u0111\u00f3 nh\u00e0 m\u00e1y hammer gi\u1ea3m c\u00e1c chip \u0111\u00f3 (c\u1ed9ng v\u1edbi m\u00f9n c\u01b0a, d\u0103m g\u1ed7 v\u00e0 ch\u1ea5t th\u1ea3i n\u00f4ng nghi\u1ec7p) xu\u1ed1ng m\u1ee9c mm. v\u1eadt li\u1ec7u m\u1eb7t \u0111\u1ea5t sau \u0111\u00f3 (n\u1ebfu c\u1ea7n) \u0111\u01b0\u1ee3c s\u1ea5y kh\u00f4 trong m\u1ed9t m\u00e1y s\u1ea5y quay sinh kh\u1ed1i<\/a>, v\u00e0 nh\u1ea5n v\u00e0o a m\u00e1y sinh kh\u1ed1i vi\u00ean<\/a>. Xem to\u00e0n b\u1ed9 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t vi\u00ean g\u1ed7<\/a> b\u1ed1 c\u1ee5c cho t\u1ea5t c\u1ea3 c\u00e1c giai \u0111o\u1ea1n.<\/p>\n

Sinh kh\u1ed1i Nguy\u00ean li\u1ec7u<\/strong> Ph\u1ed5: V\u1eadt li\u1ec7u m\u00e0i kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n
\"Ph\u1ed5<\/figure>\n

Th\u1ea5t b\u1ea1i quy ho\u1ea1ch common nh\u1ea5t \u0111ang xem x\u00e9t \u201csinh kh\u1ed1i\u201d nh\u01b0 m\u1ed9t y\u00eau c\u1ea7u nghi\u1ec1n \u0111\u01a1n. h\u00e0m l\u01b0\u1ee3ng tro thay \u0111\u1ed5i t\u1eeb d\u01b0\u1edbi 1% \u0111\u1ed1i v\u1edbi g\u1ed7 s\u1ea1ch \u0111\u1ebfn kho\u1ea3ng 15-20% \u0111\u1ed1i v\u1edbi tr\u1ea5u v\u00e0 r\u01a1m, v\u00e0 h\u1ea7u h\u1ebft tro \u0111\u00f3 l\u00e0 silica \u2013 m\u1ed9t kho\u00e1ng ch\u1ea5t r\u1ea5t m\u00e0i m\u00f2n. tu\u1ed5i th\u1ecd s\u00e0ng l\u1ecdc, y\u00eau c\u1ea7u n\u0103ng l\u01b0\u1ee3ng nghi\u1ec1n v\u00e0 hao m\u00f2n hammer \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi nguy\u00ean li\u1ec7u th\u1ef1c t\u1ebf, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t con s\u1ed1 \u0111i\u1ec3n h\u00ecnh. cho d\u00f9 \u0111\u00f3 l\u00e0 m\u1ed9t nh\u00e0 m\u00e1y hammer d\u0103m g\u1ed7, m\u1ed9t nh\u00e0 m\u00e1y hammer m\u00f9n c\u01b0a, ho\u1eb7c m\u1ed9t m\u00e1y xay r\u01a1m, nguy\u00ean li\u1ec7u, kh\u00f4ng ph\u1ea3i nh\u00e3n tr\u00ean m\u00e1y, th\u00fac \u0111\u1ea9y thi\u1ebft l\u1eadp cho c\u00e1c v\u1eadt li\u1ec7u sinh kh\u1ed1i n\u00e0y.<\/p>\n

Ma tr\u1eadn kh\u1ea3 n\u0103ng nghi\u1ec1n 9 nguy\u00ean li\u1ec7u<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Sinh kh\u1ed1i hammer kh\u1ea3 n\u0103ng nghi\u1ec1n c\u1ee7a m\u00e1y nghi\u1ec1n theo nguy\u00ean li\u1ec7u: tr\u1ea5u v\u00e0 r\u01a1m mang theo ~15\u201320% tro (tr\u00ean 90% silica) so v\u1edbi d\u01b0\u1edbi 1% \u0111\u1ed1i v\u1edbi g\u1ed7 s\u1ea1ch, gi\u00fap \u0111\u1ecbnh h\u00ecnh l\u1ea1i s\u1ef1 l\u1ef1a ch\u1ecdn m\u00e0n h\u00ecnh, n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 m\u00f2n.<\/caption>\n
Nguy\u00ean li\u1ec7u<\/th>\nL\u1edbp nguy\u00ean li\u1ec7u<\/th>\nTro\/silica<\/th>\nNh\u00e2n v\u1eadt s\u1ee3i<\/th>\nN\u0103ng l\u01b0\u1ee3ng m\u00e0i t\u01b0\u01a1ng \u0111\u1ed1i<\/th>\nTr\u00ecnh \u0111i\u1ec1u khi\u1ec3n m\u1eb7c chi\u1ebfm \u01b0u th\u1ebf<\/th>\n<\/tr>\n<\/thead>\n
G\u1ed7 m\u1ec1m (th\u00f4ng)<\/td>\nWoody<\/td>\n<1% tro<\/td>\nB\u1ebb nh\u1ea1t khi kh\u00f4<\/td>\nTh\u1ea5p (~11 kWh\/t\u1ea5n kh\u00f4)<\/td>\nTh\u1ea5p \u1ec9a ch\u1ee7 y\u1ebfu l\u00e0 t\u00e1c \u0111\u1ed9ng m\u1ec7t m\u1ecfi<\/td>\n<\/tr>\n
Chip g\u1ed7 c\u1ee9ng<\/td>\nWoody<\/td>\n<1 -2% tro<\/td>\nD\u00e0y \u0111\u1eb7c h\u01a1n, c\u1ee9ng r\u1eafn h\u01a1n<\/td>\nTh\u1ea5p -medium<\/td>\nTh\u1ea5p<\/td>\n<\/tr>\n
M\u00f9n c\u01b0a \/t\u1ea5m b\u00e0o<\/td>\nWoody<\/td>\n<1% tro<\/td>\n\u0110\u00e3 \u1ed5n<\/td>\nR\u1ea5t th\u1ea5p<\/td>\nTh\u1ea5p<\/td>\n<\/tr>\n
L\u00faa m\u00ec \/r\u01a1m r\u1ea1<\/td>\nB\u00e3 th\u1ea3o m\u1ed9c<\/td>\n~15\u201317% tro (73% silica)<\/td>\nH\u00ecnh \u1ed1ng, d\u1ea1ng s\u1ee3i, m\u1eadt \u0111\u1ed9 th\u1ea5p<\/td>\nTrung b\u00ecnh -cao<\/td>\n\u0110\u1ed9 m\u00e0i m\u00f2n silica inh cao<\/td>\n<\/tr>\n
Tr\u1ea5u<\/td>\nD\u01b0 l\u01b0\u1ee3ng n\u00f4ng nghi\u1ec7p (v\u1ecf)<\/td>\n~15\u201320% tro (l\u00ean \u0111\u1ebfn 95% silica)<\/td>\nM\u00e0i m\u00f2n, m\u1eadt \u0111\u1ed9 kh\u1ed1i th\u1ea5p<\/td>\nTrung b\u00ecnh<\/td>\nR\u1ea5t cao ine m\u00e0i m\u00f2n silica<\/td>\n<\/tr>\n
Th\u00e2n c\u00e2y ng\u00f4 \/th\u00e2n c\u00e2y<\/td>\nB\u00e3 th\u1ea3o m\u1ed9c<\/td>\n6\u201311% tro (ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ea5t)<\/td>\nX\u01a1 + pithy<\/td>\nCao (~26 kWh\/t\u1ea5n kh\u00f4)<\/td>\nCao act silica + \u0111\u1ea5t<\/td>\n<\/tr>\n
B\u00e3 m\u00eda<\/td>\nD\u01b0 l\u01b0\u1ee3ng Agri (s\u1ee3i)<\/td>\nTro ~92% silica<\/td>\nStringy, \u01b0\u1edbt nh\u01b0 \u0111\u00e3 nh\u1eadn<\/td>\nTrung b\u00ecnh -cao<\/td>\nCao IM silica + g\u00f3i<\/td>\n<\/tr>\n
Palm EFB<\/td>\nD\u01b0 l\u01b0\u1ee3ng Agri (s\u1ee3i)<\/td>\nTro cao + \u0111\u1ed9 \u1ea9m<\/td>\nR\u1ea5t c\u1ee9ng, stringy<\/td>\nCao<\/td>\n\u0110\u1ed9 b\u1ecdc s\u1ee3i + \u0111\u1ed9 m\u00e0i m\u00f2n cao<\/td>\n<\/tr>\n
Tre<\/td>\nC\u1ecf th\u00e2n g\u1ed7<\/td>\n~1.4% tro<\/td>\nC\u1ee9ng, tro th\u1ea5p<\/td>\nTrung b\u00ecnh<\/td>\nTh\u1ea5p -medium<\/td>\n<\/tr>\n
Miscanthus (c\u1ecf n\u0103ng l\u01b0\u1ee3ng)<\/td>\nC\u00e2y tr\u1ed3ng n\u0103ng l\u01b0\u1ee3ng<\/td>\nTro v\u1eeba ph\u1ea3i<\/td>\nCu\u1ed1ng s\u1ee3i<\/td>\nTrung b\u00ecnh (14\u201318 kWh\/t)<\/td>\nTrung b\u00ecnh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

S\u1ed1 li\u1ec7u tro v\u00e0 silica l\u00e0 t\u1eeb \u0111\u1eb7c t\u00ednh \u0111\u01b0\u1ee3c b\u00ecnh duy\u1ec7t c\u1ee7a tr\u1ea5u, r\u01a1m r\u1ea1 v\u00e0 tro b\u00e3 m\u00eda; s\u1ed1 li\u1ec7u n\u0103ng l\u01b0\u1ee3ng nghi\u1ec1n t\u1eeb DOE\/INL v\u00e0 c\u00e1c nghi\u00ean c\u1ee9u hammer-mill \u0111\u01b0\u1ee3c b\u00ecnh duy\u1ec7t (xem T\u00e0i li\u1ec7u tham kh\u1ea3o). S\u1ed1 li\u1ec7u tro l\u00e0 d\u00e0nh cho v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ti\u1ebfp nh\u1eadn, ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ea5t.<\/p>\n<\/div>\n

S\u1eed d\u1ee5ng ma tr\u1eadn l\u00e0m c\u00f4ng c\u1ee5 \u0111\u1ecbnh tuy\u1ebfn: s\u1ed1 l\u01b0\u1ee3ng tr\u00ean t\u1ea5m c\u00e0ng th\u1ea5p th\u00ec g\u1ed7 c\u00e0ng s\u1ea1ch; c\u00e0ng g\u1ea7n tr\u1ea5u ho\u1eb7c r\u01a1m th\u00ec quy tr\u00ecnh c\u00e0ng thay \u0111\u1ed5i t\u1eeb \u201cc\u1eaft s\u1ee3i\u201d \u0111\u1ebfn \u201ckho\u00e1ng ch\u1ea5t m\u00e0i m\u00f2n.\u201d \u0110\u1ec3 so s\u00e1nh ch\u00ednh v\u1ec1 c\u00e1ch tre so v\u1edbi r\u01a1m r\u1ea1 \u2013 1,4% tro so v\u1edbi 16% \u2013 s\u1eed d\u1ee5ng So s\u00e1nh t\u00e0i nguy\u00ean sinh h\u1ecdc bang NC<\/a> nh\u01b0 m\u1ed9t ngu\u1ed3n ch\u00ednh.<\/p>\n

Silica, Tro v\u00e0 M\u00e0i m\u00f2n: T\u1ea1i sao sinh kh\u1ed1i Herbaceous m\u1eb7c Hammers nhanh h\u01a1n g\u1ed7<\/h2>\n
\"Silica,<\/figure>\n

\u0110\u00e2y, ph\u1ea7n m\u00e0 h\u1ea7u h\u1ebft c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a thi\u1ebft b\u1ecb b\u1ecf qua: hammer hao m\u00f2n tr\u00ean sinh kh\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi m\u1ee9c \u0111\u1ed9 \u201cc\u1ee9ng\u201d c\u1ee7a v\u1eadt li\u1ec7u, m\u00e0 b\u1edfi h\u00e0m l\u01b0\u1ee3ng silica. Tro tr\u1ea5u ch\u1ea1y t\u1edbi kho\u1ea3ng 94,79% SiO2, tro r\u01a1m kho\u1ea3ng 73,26% SiO2 v\u00e0 tro b\u00e3 m\u00eda kho\u1ea3ng 92,5% silica. Silica, b\u1ecb m\u1eafc k\u1eb9t trong s\u1ee3i, l\u00e0 s\u1ea1n m\u1ecbn v\u00e0 m\u00e0i m\u00f2n th\u00e9p nh\u01b0 gi\u1ea5y nh\u00e1m \u2013 b\u1ea5t k\u1ec3 \u0111\u1ed9 c\u1ee9ng Janka.<\/p>\n

C\u1ea3 b\u1eb1ng ch\u1ee9ng trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 th\u1ef1c \u0111\u1ecba \u0111\u1ec1u \u0111\u1ed3ng t\u00ecnh. Theo m\u1ed9t nghi\u00ean c\u1ee9u v\u1ec1 s\u1ef1 hao m\u00f2n c\u1ee7a l\u01b0\u1ee1i dao hammer-mill t\u1ea1i B\u1ed9 N\u0103ng l\u01b0\u1ee3ng Hoa K\u1ef3 c\u1ee7a TRANG DOE<\/a>, vi\u1ec7c s\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 cacbua hammer-mill l\u01b0\u1ee1i, b\u1edfi v\u00ec h\u1ecd \u0111\u00e3 ti\u1ebfp x\u00fac nhi\u1ec1u l\u1ea7n v\u1edbi c\u00e1c v\u00f4 c\u01a1<\/em> v\u1eadt li\u1ec7u trong sinh kh\u1ed1i v\u1ee5n (m\u00e0i m\u00f2n do kho\u00e1ng ch\u1ea5t, kh\u00f4ng ph\u1ea3i ch\u1ea5t x\u01a1), l\u00e0m x\u00f3i m\u00f2n ch\u00fang v\u00e0 th\u1eadm ch\u00ed d\u1eabn \u0111\u1ebfn g\u00e3y l\u01b0\u1ee1i dao.C\u00e1ch m\u00e0 c\u00e1c k\u1ef9 s\u01b0 di\u1ec5n \u0111\u00e0n k\u1ef9 thu\u1eadt th\u1ec3 hi\u1ec7n \u0111i\u1ec1u n\u00e0y tr\u1ef1c ti\u1ebfp h\u01a1n v\u00e0 nh\u01b0 sau: h\u1ea7u h\u1ebft th\u1eddi gian, sinh kh\u1ed1i c\u00f3 th\u1ec3 ch\u1ee9a nhi\u1ec1u silica, t\u1ee9c l\u00e0 \u201cc\u00e1t\u201d, h\u01a1n than, v\u00e0 k\u1ebft qu\u1ea3 l\u00e0 n\u00f3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 m\u00e0i m\u00f2n nhanh ch\u00f3ng c\u1ee7a c\u00e1c b\u1ec1 m\u1eb7t m\u00e0i.<\/p>\n

\n

\u201cM\u1ed9t quan ni\u1ec7m sai l\u1ea7m l\u1edbn l\u00e0 c\u00e1c nh\u00e0 khai th\u00e1c xem k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh hammer-mill l\u00e0 gi\u1ea3i ph\u00e1p cu\u1ed1i c\u00f9ng.N\u1ebfu ki\u1ec3m so\u00e1t ti\u1ec1n ph\u1ea1t l\u00e0 m\u1ee5c ti\u00eau, thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t, t\u1ed1c \u0111\u1ed9 \u0111\u1ea7u cao v\u00e0 hammers n\u1eb7ng l\u00e0m cho ti\u1ec1n ph\u1ea1t kh\u00f4ng c\u00f3 v\u1ea5n \u0111 c\u00e1i g\u00ec<\/em> k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh b\u1ea1n ch\u1ea1y.\u201d<\/p>\n

K\u1ef9 s\u01b0, Gi\u1ea3i ph\u00e1p c\u00f4ng nghi\u1ec7p CPM, vi\u1ebft tr\u00ean T\u1ea1p ch\u00ed Th\u1ee9c \u0103n & Ph\u1ee5 gia<\/cite>\n<\/p><\/blockquote>\n

\n\ud83d\udcd0 Ghi ch\u00fa K\u1ef9 thu\u1eadt, H\u1ec7 s\u1ed1 nh\u00e2n Silica-Wear<\/strong><\/p>\n

Thay v\u00e0o \u0111\u00f3, h\u00e3y ngh\u0129 v\u1ec1 s\u1ef1 hao m\u00f2n v\u1ec1 m\u1eb7t tro\/silica thay v\u00ec ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 tr\u1ecdng t\u1ea3i.N\u1ebfu m\u1ed9t ng\u01b0\u1eddi \u0111ang pelletizing g\u1ed7 s\u1ea1ch, n\u00f3 c\u00f3 th\u1ec3 cho hammers k\u00e9o d\u00e0i h\u00e0ng tr\u0103m gi\u1edd.M\u1eb7t kh\u00e1c, v\u1edbi m\u1ed9t d\u01b0 l\u01b0\u1ee3ng silica cao nh\u01b0 tr\u1ea5u, m\u1eb7c c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd \u0111\u00f3 \u0111\u00e1ng k\u1ec3 v\u00e0 g\u00e2y ra m\u00e0n h\u00ecnh \u0111\u01b0\u1ee3c thay \u0111\u1ed5i trong v\u00f2ng v\u00e0i tu\u1ea7n thay v\u00ec v\u00e0i th\u00e1ng. c\u00f3 hai ph\u01b0\u01a1ng ti\u1ec7n gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng \u0111\u00f3: 1. v\u1eadt li\u1ec7u: m\u1eb7c-m\u1eb7t b\u1ec1 m\u1eb7t t\u00e1c \u0111\u1ed9ng ho\u1eb7c c\u00e0i \u0111\u1eb7t \u0111\u1ea7u vonfram-cacbua.2. l\u00e0m s\u1ea1ch nguy\u00ean li\u1ec7u: lo\u1ea1i b\u1ecf \u0111\u00e1 v\u00e0 s\u1eed d\u1ee5ng ph\u00e2n lo\u1ea1i kh\u00f4ng kh\u00ed \u0111\u1ec3 lo\u1ea1i b\u1ecf t\u1ea3i kho\u00e1ng s\u1ea3n tr\u01b0\u1edbc khi nghi\u1ec1n c\u00f3 th\u1ec3 c\u00f3 hi\u1ec7u qu\u1ea3 (trong ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, DOE\/INL c\u1ee7a Hoa K\u1ef3 gi\u1ea3m tro th\u00e2n c\u00e2y ng\u00f4 ba l\u1ea7n t\u1eeb 11.20% xu\u1ed1ng 6.00%).M\u00e0i m\u00f2n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh kh\u00f4ng ch\u1ec9 b\u1edfi c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt m\u00e0 m\u1ed9t ph\u1ea7n b\u1edfi nh\u1eefng g\u00ec b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t.<\/p>\n<\/div>\n

Kh\u1ea9u \u0111\u1ed9 m\u00e0n h\u00ecnh v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t, ph\u00f9 h\u1ee3p v\u1edbi nguy\u00ean li\u1ec7u<\/h2>\n
\"Kh\u1ea9u<\/figure>\n

Trong khi m\u00e0n h\u00ecnh ch\u1ecbu tr\u00e1ch nhi\u1ec7m ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc c\u1ee7a h\u1ea1t, kh\u1ea9u \u0111\u1ed9 t\u1ed1i \u01b0u s\u1ebd thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o nguy\u00ean li\u1ec7u v\u00e0 s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.Th\u00f4ng th\u01b0\u1eddng, g\u1ed7-vi\u00ean ch\u1ebft c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn khi k\u00edch th\u01b0\u1edbc nguy\u00ean li\u1ec7u l\u00e0 ho\u1eb7c d\u01b0\u1edbi 3.35mm \u0111\u1ec3 \u0111\u00f9n hi\u1ec7u qu\u1ea3.Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, m\u1ed9t m\u00e0n h\u00ecnh 2 \u0111\u1ebfn 4mm th\u01b0\u1eddng l\u00e0 m\u1ed9t kh\u1edfi \u0111\u1ea7u h\u1ee3p l\u00fd cho pelletization.C\u1ea3 qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y v\u00e0 kh\u00ed h\u00f3a \u0111\u1ec1u ch\u1ecbu \u0111\u01b0\u1ee3c m\u1ed9t m\u00e0i th\u00f4 h\u01a1n.Trong tr\u01b0\u1eddng h\u1ee3p r\u01a1m s\u1ee3i, c\u1ea7n ph\u1ea3i m\u1edf m\u00e0n h\u00ecnh l\u1edbn h\u01a1n \u0111\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c h\u1ea1t l\u1edbn h\u01a1n, v\u00e0 \u0111\u1ec3 ng\u0103n ch\u1eb7n b\u1eafc c\u1ea7u ho\u1eb7c l\u00e0m m\u00f9.Tr\u1ea5u b\u1edf, ng\u01b0\u1ee3c l\u1ea1i, \u0111i qua m\u1ed9t m\u00e0n h\u00ecnh nh\u1ecf h\u01a1n m\u1edf d\u1ec5 d\u00e0ng h\u01a1n, gi\u1ea3i ph\u00f3ng c\u00e1c h\u1ea1t m\u1ecbn s\u1ea1ch s.<\/p>\n

M\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt common g\u1ed7-vi\u00ean \u0111\u01b0\u1ee3c tr\u00edch d\u1eabn, ISO 17225-2 (m\u00e0 c\u0169ng h\u00ecnh th\u00e0nh c\u01a1 s\u1edf cho ENplus), ch\u1ec9 d\u00e0nh cho vi\u00ean g\u1ed7. n\u1ebfu b\u1ea1n \u0111ang ch\u1ebf bi\u1ebfn r\u01a1m, tr\u1ea5u ho\u1eb7c sinh kh\u1ed1i kh\u00f4ng ph\u1ea3i g\u1ed7 kh\u00e1c th\u00e0nh vi\u00ean, \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt k\u00edch th\u01b0\u1edbc t\u01b0\u01a1ng \u1ee9ng s\u1ebd \u0111\u01b0\u1ee3c ISO 17225-6<\/a> \u0111\u1ed1i v\u1edbi c\u00e1c vi\u00ean kh\u00f4ng ph\u1ea3i g\u1ed7 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i, bao g\u1ed3m sinh kh\u1ed1i th\u00e2n th\u1ea3o, tr\u00e1i c\u00e2y v\u00e0 h\u1ed7n h\u1ee3p.V\u00ed d\u1ee5, v\u1edbi b\u1ea3n c\u1eadp nh\u1eadt 2021-2024 cho ENplus, c\u00e1c ti\u00eau ch\u00ed nh\u01b0 \u201cph\u1ea1t th\u00f4\u201dv\u00e0 \u201ct\u1ef7 l\u1ec7 vi\u00ean d\u01b0\u1edbi 10mm\u201d\u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o, do \u0111\u00f3 li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp h\u01a1n t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a xay v\u1edbi c\u1ea5p vi\u00ean.<\/p>\n

\n
\ud83d\udca1<\/span> V\u00ed d\u1ee5 \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd, ch\u1ecdn kh\u1ea9u \u0111\u1ed9 b\u1eaft \u0111\u1ea7u<\/strong><\/div>\n

M\u1ee5c ti\u00eau: vi\u00ean g\u1ed7, v\u1edbi th\u1ee9c \u0103n 3,35 mm. B\u1eaft \u0111\u1ea7u v\u1edbi m\u00e0n h\u00ecnh 3mm. n\u00ean m\u00e1y nghi\u1ec1n vi\u00ean t\u1ea1o ra m\u1ed9t t\u1ef7 l\u1ec7 l\u1edbn ti\u1ec1n ph\u1ea1t ho\u1eb7c hi\u1ec3n th\u1ecb \u0111\u1ed9 b\u1ec1n th\u1ea5p, h\u00e3y th\u1eed m\u00e0n h\u00ecnh 2.5mm nh\u01b0ng d\u1ef1 \u0111o\u00e1n n\u0103ng l\u01b0\u1ee3ng nghi\u1ec1n t\u0103ng l\u00ean v\u00e0 theo d\u00f5i khu\u00f4n \u0111\u1ec3 \u0111i qua th\u1eb3ng c\u1ee7a ti\u1ec1n ph\u1ea1t.N\u1ebfu b\u1ea1n c\u00f3 \u00fd \u0111\u1ecbnh x\u1eed l\u00fd r\u01a1m \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc h\u1ea1t t\u01b0\u01a1ng t\u1ef1, n\u00f3i chung t\u1ed1t h\u01a1n l\u00e0 s\u1eed d\u1ee5ng m\u00e0n h\u00ecnh th\u00f4 h\u01a1n m\u1ed9t m\u1ee9c th\u00f4 h\u01a1n, th\u01b0\u1eddng l\u00e0 m\u1edf 3-4mm v\u1edbi di\u1ec7n t\u00edch m\u00e0n h\u00ecnh nhi\u1ec1u h\u01a1n, v\u00ec C\u1ea7u n\u1ed1i s\u1ebd l\u00e0 v\u1ea5n \u0111\u1ec1 nhi\u1ec1u h\u01a1n l\u00e0 thi\u1ebfu \u0111\u1ed9 m\u1ecbn. \u0111\u1ea1i kh\u00e1i 3.35mm = 6 l\u01b0\u1edbi, 2mm = 10 l\u01b0\u1edbi v\u00e0 1mm = 18 l\u01b0\u1edbi.<\/p>\n<\/div>\n

N\u0103ng l\u01b0\u1ee3ng m\u00e0i v\u00e0 \u0111\u1ed9 \u1ea9m: Hai \u0111\u00f2n b\u1ea9y \u0111\u1eb1ng sau chi ph\u00ed m\u1ed7i t\u1ea5n<\/h2>\n
\"N\u0103ng<\/figure>\n

N\u0103ng l\u01b0\u1ee3ng nghi\u1ec1n c\u1ee5 th\u1ec3, kilowatt-gi\u1edd\/t\u1ea5n, l\u00e0 n\u01a1i \u0111\u00e2u<\/em> nguy\u00ean li\u1ec7u v\u00e0 l\u1ef1a ch\u1ecdn m\u00e0n h\u00ecnh nh\u1ea5n h\u00f3a \u0111\u01a1n \u0111i\u1ec7n. s\u1ed1 li\u1ec7u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1, r\u00fat ra t\u1eeb c\u00e1c nghi\u00ean c\u1ee9u kh\u00e1c nhau v\u00e0 c\u01a1 s\u1edf \u0111o l\u01b0\u1eddng (giai \u0111o\u1ea1n m\u00e0i so v\u1edbi to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh, t\u1ea5n kh\u00f4 so v\u1edbi t\u1ea5n), v\u00ec v\u1eady \u0111\u1ecdc ch\u00fang nh\u01b0 l\u00e0 c\u01b0\u1eddng \u0111\u1ed9 bi\u1ec3u th\u1ecb ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t th\u1ee9 h\u1ea1ng gi\u1ed1ng nh\u01b0, tr\u1ea3i r\u1ed9ng tr\u00ean m\u1ed9t d\u1ea3i r\u1ed9ng: \u0111\u1ea1i kh\u00e1i 11 kWh\/t\u1ea5n kh\u00f4<\/strong> \u0111\u1ed1i v\u1edbi d\u0103m g\u1ed7 kh\u00f4 (tr\u01b0\u1eddng h\u1ee3p ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p), 14\u201318 kWh\/t<\/strong> \u0111\u1ed1i v\u1edbi c\u1ecf n\u0103ng l\u01b0\u1ee3ng Miscanthus, v\u00e0 kho\u1ea3ng 26 kWh\/t\u1ea5n kh\u00f4<\/strong> \u0111\u1ed1i v\u1edbi th\u00e2n c\u00e2y ng\u00f4 th\u00f4ng qua m\u1ed9t nh\u00e0 m\u00e1y hammer. b\u00e1o c\u00e1o c\u00f4ng vi\u1ec7c \u0111\u01b0\u1ee3c b\u00ecnh duy\u1ec7t ~ 27,6 kWh\/Mg cho switchgrass t\u1ea1i m\u1ed9t m\u00e0n h\u00ecnh 3,2 mm.<\/p>\n

\n\ud83d\udcd0 Ghi ch\u00fa K\u1ef9 thu\u1eadt, H\u00ecnh ph\u1ea1t N\u0103ng l\u01b0\u1ee3ng Gi\u1ea3m c\u00e2n M\u00e0n h\u00ecnh<\/strong><\/p>\n

Khi m\u00e0n h\u00ecnh thu nh\u1ecf \u0111\u1ec3 nghi\u1ec1n m\u1ecbn, b\u1ea1n ph\u1ea3i tr\u1ea3 ti\u1ec1n cho n\u0103ng l\u01b0\u1ee3ng: m\u00e0n h\u00ecnh c\u00f3 kh\u1ea9u \u0111\u1ed9 1,6 mm \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean r\u01a1m l\u00faa m\u00ec c\u00f3 g\u1ea7n g\u1ea5p \u0111\u00f4i t\u1ed5ng n\u0103ng l\u01b0\u1ee3ng nghi\u1ec1n c\u1ee5 th\u1ec3 so v\u1edbi m\u00e0n h\u00ecnh 3,2 mm theo Bitra v\u00e0 c\u1ed9ng s\u1ef1. nghi\u00ean c\u1ee9u (C\u00f4ng ngh\u1ec7 b\u1ed9t, 2009)<\/a> \u2013 m\u1ed9t th\u1eed nghi\u1ec7m trong ph\u00f2ng th\u00ed nghi\u1ec7m nguy\u00ean li\u1ec7u \u0111\u01a1n, kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 th\u1eadt c\u01a1 b\u1ea3n. L\u01b0u \u00fd \u0111i\u1ec1u ki\u1ec7n bi\u00ean: Kh\u1ea9u \u0111\u1ed9 m\u00e0n h\u00ecnh ch\u1ec9 l\u00e0 m\u1ed9t t\u00f9y ch\u1ecdn v\u1edbi t\u1ed1c \u0111\u1ed9 \u0111\u1ea7u, m\u1eabu hammer v\u00e0 t\u1ed1c \u0111\u1ed9 n\u1ea1p; c\u0169ng xem x\u00e9t t\u1ed1c \u0111\u1ed9 \u0111\u1ea7u v\u00e0 \u0111\u1ed9 d\u1ecbch chuy\u1ec3n g\u00f3c v\u1edbi th\u1ee9c \u0103n. Don't c\u1ed1 g\u1eafng nghi\u1ec1n m\u1ecbn h\u01a1n so v\u1edbi khu\u00f4n vi\u00ean v\u00e0 nhu c\u1ea7u th\u00f4ng l\u01b0\u1ee3ng c\u1ee7a b\u1ea1n.<\/p>\n

Nh\u1eefng micromet \u0111\u00f3 t\u1ed1n ti\u1ec1n.<\/p>\n<\/div>\n

\u0110\u1ed9 \u1ea9m l\u00e0 \u0111\u00f2n b\u1ea9y th\u1ee9 hai. cho \u0103n tr\u00ean ~ 14-15% \u0111\u1ed9 \u1ea9m s\u1ebd l\u00e0m m\u00f9 m\u00e0n h\u00ecnh, b\u00f4i nh\u1ecd v\u1eadt li\u1ec7u, choke th\u00f4ng l\u01b0\u1ee3ng, v\u00e0 t\u0103ng c\u01b0\u1eddng n\u0103ng l\u01b0\u1ee3ng (\u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao s\u1ea5y th\u01b0\u1eddng \u0111i tr\u01b0\u1edbc ho\u1eb7c \u0111i c\u00f9ng v\u1edbi m\u00e0i). \u01b0\u1edbt, v\u1eadt li\u1ec7u s\u1ee3i l\u00e0 m\u1ed9t khu v\u1ef1c ch\u00ednh n\u01a1i m\u1ed9t nh\u00e0 m\u00e1y hammer b\u1eaft \u0111\u1ea7u ch\u00f9n b\u01b0\u1edbc. (Ch\u00fang t\u00f4i s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3 trong m\u1ed9t kho\u1ea3nh kh\u1eafc).<\/p>\n

Hammer Mill vs Roller Mill, M\u00e1y nghi\u1ec1n, Chipper v\u00e0 M\u00e1y h\u1ee7y t\u00e0i li\u1ec7u cho sinh kh\u1ed1i<\/h2>\n
\"Hammer<\/figure>\n

M\u00e1y nghi\u1ec1n hammer sinh kh\u1ed1i kh\u00e1c v\u1edbi m\u00e1y b\u0103m ho\u1eb7c m\u00e1y nghi\u1ec1n g\u1ed7 nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n

Biomass hammer mill vs g\u1ed7 chipper.M\u1ed9t chipper g\u1ed7 v\u00e0 m\u1ed9t sinh kh\u1ed1i hammer mill th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 ri\u00eang bi\u1ec7t v\u00e0 b\u1ed5 sung.C\u00e1c chipper g\u1ed7 (ho\u1eb7c m\u00e1y nghi\u1ec1n) l\u00e0m \u0111\u1ea7u ti\u00ean v\u00e0 th\u00f4 s\u1ee9t m\u1ebb \u2013 bi\u1ebfn c\u00e1c b\u1ea3n ghi v\u00e0 ch\u00e9m v\u00e0o kho\u1ea3ng 30 mm d\u0103m g\u1ed7.Sau \u0111\u00f3, c\u00e1c hammer mill xay xu\u1ed1ng c\u00e1c d\u0103m g\u1ed7 n\u00e0y, c\u1ed9ng v\u1edbi m\u00f9n c\u01b0a v\u00e0 d\u01b0 l\u01b0\u1ee3ng agri kh\u00e1c, \u0111\u1ebfn m\u1ee9c milimet y\u00eau c\u1ea7u c\u1ee7a m\u1ed9t vi\u00ean ho\u1eb7c b\u00e1o ch\u00ed than b\u00e1nh.<\/p>\n

H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 khai th\u00e1c xay x\u00e1t \u0111\u1ec3 2-4 mm, sau \u0111\u00f3 cho \u0103n pelletizer tr\u1ef1c ti\u1ebfp.<\/p>\n

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\n\u2714 N\u01a1i m\u1ed9t nh\u00e0 m\u00e1y hammer th\u1eafng<\/strong><\/p>\n