{"id":1402,"date":"2020-09-03T16:36:03","date_gmt":"2020-09-03T08:36:03","guid":{"rendered":"https:\/\/rice-machinery.com\/?p=1402"},"modified":"2020-09-03T16:43:06","modified_gmt":"2020-09-03T08:43:06","slug":"the-technology-of-paddy-to-making-rice","status":"publish","type":"post","link":"https:\/\/rice-machinery.com\/vi\/the-technology-of-paddy-to-making-rice\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 l\u00e0m l\u00faa l\u00e0m g\u1ea1o\u2014\u2014L\u00e0m s\u1ea1ch g\u1ea1o"},"content":{"rendered":"
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4.5\/5 - (18 l\u01b0\u1ee3t b\u00ecnh ch\u1ecdn) <\/div> <\/div>

Ch\u1ebf bi\u1ebfn l\u00faa l\u00e0 qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t ch\u1ebf bi\u1ebfn th\u00f3c th\u00e0nh g\u1ea1o. Quy tr\u00ecnh n\u00e0y d\u1ef1a tr\u00ean y\u00eau c\u1ea7u v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a ch\u1ebf bi\u1ebfn g\u1ea1o, l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn ph\u00f9 h\u1ee3p v\u00e0 k\u1ebft h\u1ee3p quy tr\u00ecnh s\u1ea3n xu\u1ea5t theo m\u1ed9t tr\u00ecnh t\u1ef1 ch\u1ebf bi\u1ebfn nh\u1ea5t \u0111\u1ecbnh. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh l\u00e0m s\u1ea1ch, t\u00e1ch v\u1ecf v\u00e0 t\u00e1ch v\u1ecf, xay x\u00e1t g\u1ea1o v\u00e0 ho\u00e0n thi\u1ec7n th\u00e0nh ph\u1ea9m. B\u00e0i vi\u1ebft n\u00e0y ch\u1ee7 y\u1ebfu n\u00f3i v\u1ec1 vi\u1ec7c l\u00e0m s\u1ea1ch th\u00f3c.<\/p>

M\u1ee5c \u0111\u00edch l\u00e0m s\u1ea1ch<\/strong><\/h3>

Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, thu ho\u1ea1ch, v\u1eadn chuy\u1ec3n v\u00e0 b\u1ea3o qu\u1ea3n th\u00f3c c\u00f3 th\u1ec3 b\u1ecb l\u1eabn m\u1ed9t s\u1ed1 t\u1ea1p ch\u1ea5t. N\u1ebfu nh\u1eefng t\u1ea1p ch\u1ea5t n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf tr\u01b0\u1edbc s\u1ebd d\u1ec5 g\u00e2y ra t\u00e1c h\u1ea1i l\u1edbn cho qu\u00e1 tr\u00ecnh x\u1eed l\u00fd. N\u1ebfu th\u00f3c \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn v\u1edbi d\u00e2y gai v\u00e0 c\u00e1c lo\u1ea1i \u1ed1ng h\u00fat kh\u00e1c nhau s\u1ebd d\u1ec5 g\u00e2y t\u1eafc ngh\u1ebdn \u0111\u01b0\u1eddng \u1ed1ng v\u1eadn chuy\u1ec3n v\u00e0 m\u00e1y c\u1ea5p li\u1ec7u trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t b\u00ecnh th\u01b0\u1eddng v\u00e0 l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 c\u00f4ng ngh\u1ec7 c\u0169ng nh\u01b0 n\u0103ng l\u1ef1c x\u1eed l\u00fd c\u1ee7a thi\u1ebft b\u1ecb. N\u1ebfu th\u00f3c b\u1ecb l\u1eabn t\u1ea1p ch\u1ea5t c\u1ee9ng nh\u01b0 c\u00e1t, \u0111\u00e1, kim lo\u1ea1i... r\u1ea5t d\u1ec5 l\u00e0m h\u1ecfng thi\u1ebft b\u1ecb, th\u1eadm ch\u00ed g\u00e2y ra tai n\u1ea1n nh\u01b0 n\u1ed5 b\u1ee5i. N\u1ebfu th\u00f3c ch\u1ee9a \u0111\u1ea5t, b\u1ee5i s\u1ebd d\u1ec5 g\u00e2y \u00f4 nhi\u1ec5m v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng x\u01b0\u1edfng, g\u00e2y nguy hi\u1ec3m cho s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi. N\u1ebfu t\u1ea1p ch\u1ea5t trong th\u00f3c kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch v\u00e0 tr\u1ed9n v\u00e0o th\u00e0nh ph\u1ea9m th\u00ec \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a s\u1ea3n ph\u1ea9m s\u1ebd b\u1ecb gi\u1ea3m v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a g\u1ea1o s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng r\u1ea5t l\u1edbn. V\u00ec v\u1eady, vi\u1ec7c lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 quan tr\u1ecdng trong ch\u1ebf bi\u1ebfn g\u1ea1o.<\/p>

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C\u00e1c lo\u1ea1i t\u1ea1p ch\u1ea5t trong l\u00faa<\/strong><\/h3>

C\u00e1c t\u1ea1p ch\u1ea5t trong th\u00f3c r\u1ea5t \u0111a d\u1ea1ng, c\u00f3 c\u00e1i n\u1eb7ng h\u01a1n th\u00f3c, c\u00f3 c\u00e1i nh\u1ecf h\u01a1n, c\u00f3 c\u00e1i nh\u1eb9 h\u01a1n th\u00f3c.<\/p>

ph\u00e2n lo\u1ea1i theo t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc:<\/strong><\/p>

C\u00e1c t\u1ea1p ch\u1ea5t trong th\u00f3c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh t\u1ea1p ch\u1ea5t v\u00f4 c\u01a1 v\u00e0 t\u1ea1p ch\u1ea5t h\u1eefu c\u01a1. C\u00e1c t\u1ea1p ch\u1ea5t v\u00f4 c\u01a1 bao g\u1ed3m \u0111\u1ea5t, c\u00e1t, than, g\u1ea1ch ng\u00f3i, m\u1ea3nh th\u1ee7y tinh, v\u1eadt kim lo\u1ea1i, v.v. C\u00e1c t\u1ea1p ch\u1ea5t h\u1eefu c\u01a1 bao g\u1ed3m tr\u1ea5u, c\u1ecf l\u00f9ng, r\u01a1m r\u1ea1, ng\u0169 c\u1ed1c kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t, h\u1ea1t c\u1ee7a c\u00e2y d\u1ea1i, c\u0169ng nh\u01b0 m\u1ea7m v\u00e0 h\u1ea1t b\u1ecb b\u1ec7nh kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb \u0103n \u0111\u01b0\u1ee3c.<\/p>

Theo k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a n\u00f3, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c t\u1ea1p ch\u1ea5t l\u1edbn, v\u1eeba v\u00e0 nh\u1ecf.<\/p>

ph\u00e2n lo\u1ea1i theo b\u1ea3n ch\u1ea5t c\u1ee7a t\u1ea1p ch\u1ea5t trong l\u00faa:<\/strong><\/p>

T\u1ea1p ch\u1ea5t l\u1edbn: c\u00f2n s\u00f3t l\u1ea1i tr\u00ean s\u00e0ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 5,0 mm.<\/p>

T\u1ea1p ch\u1ea5t trung gian: c\u00f3 th\u1ec3 l\u1ecdt qua s\u00e0ng l\u1ed7 tr\u00f2n \u0111\u01b0\u1eddng k\u00ednh 5,0 mm nh\u01b0ng kh\u00f4ng l\u1ecdt qua s\u00e0ng l\u1ed7 tr\u00f2n \u0111\u01b0\u1eddng k\u00ednh 2,0 mm.<\/p>

T\u1ea1p ch\u1ea5t nh\u1ecf: c\u00f3 th\u1ec3 l\u1ecdt qua s\u00e0ng l\u1ed7 tr\u00f2n \u0111\u01b0\u1eddng k\u00ednh 2,0 mm.<\/p>

Theo m\u1eadt \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a n\u00f3, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh t\u1ea1p ch\u1ea5t nh\u1eb9 v\u00e0 t\u1ea1p ch\u1ea5t n\u1eb7ng<\/p>

T\u1ea1p ch\u1ea5t nh\u1eb9: m\u1eadt \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf h\u01a1n th\u00f3c.<\/p>

T\u1ea1p ch\u1ea5t n\u1eb7ng: m\u1eadt \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn h\u01a1n th\u00f3c.<\/p>

Ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch<\/strong><\/h3>

Khi l\u00e0m s\u1ea1ch t\u1ea1p ch\u1ea5t trong th\u00f3c, c\u1ea7n l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p v\u00e0 thi\u1ebft b\u1ecb l\u00e0m s\u1ea1ch h\u1ee3p l\u00fd t\u00f9y theo tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 s\u1ed1 l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t trong th\u00f3c \u0111\u1ec3 ph\u00e1t huy h\u1ebft hi\u1ec7u qu\u1ea3 c\u1ee7a thi\u1ebft b\u1ecb. Theo \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd c\u1ee7a c\u00e1c lo\u1ea1i t\u1ea1p ch\u1ea5t kh\u00e1c nhau, lo\u1ea1i b\u1ecf ch\u00fang theo nguy\u00ean t\u1eafc d\u1ec5 tr\u01b0\u1edbc sau kh\u00f3. C\u00e1c t\u1ea1p ch\u1ea5t \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ph\u1ea3i \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i ri\u00eang \u0111\u1ec3 x\u1eed l\u00fd t\u1eadp trung. M\u1ed9t lo\u1ea1t c\u00e1c ph\u01b0\u01a1ng ph\u00e1p lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed3ng th\u1eddi \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch b\u1ed5 sung cho nhau.<\/p>

L\u00faa s\u1ea1ch l\u00e0 g\u1ea1o r\u00f2ng, t\u1ed5ng l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t kh\u00f4ng qu\u00e1 0,6%, h\u00e0m l\u01b0\u1ee3ng c\u00e1t, \u0111\u00e1 kh\u00f4ng qu\u00e1 1 h\u1ea1t\/kg, s\u00e2n chu\u1ed3ng kh\u00f4ng qu\u00e1 130 h\u1ea1t\/kg.<\/p>

C\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb l\u00e0m s\u1ea1ch t\u1ea1p ch\u1ea5t trong th\u00f3c v\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch t\u1ea1p ch\u1ea5t c\u0169ng kh\u00e1c nhau. Do \u0111\u00f3, n\u1ebfu c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c hi\u1ec7u qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh, hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 t\u1ed3n t\u1ea1i c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb l\u00e0m s\u1ea1ch kh\u00e1c nhau, \u0111i\u1ec1u n\u00e0y s\u1ebd c\u00f3 \u00fd ngh\u0129a r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c c\u1ea3i ti\u1ebfn c\u00f4ng ngh\u1ec7 v\u1eadn h\u00e0nh v\u00e0 th\u00fac \u0111\u1ea9y s\u1ea3n xu\u1ea5t. C\u00e1c ch\u1ec9 s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 qu\u00e1 tr\u00ecnh c\u1ee7a thi\u1ebft b\u1ecb l\u00e0m s\u1ea1ch l\u00e0 t\u1ed1c \u0111\u1ed9 chi\u1ebft h\u1ea1t r\u00f2ng v\u00e0 t\u1ed1c \u0111\u1ed9 lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t. T\u1ef7 l\u1ec7 lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t = (h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t tr\u01b0\u1edbc khi l\u00e0m s\u1ea1ch)-(h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t sau khi l\u00e0m s\u1ea1ch h\u00e0m l\u01b0\u1ee3ng tr\u01b0\u1edbc khi l\u00e0m s\u1ea1ch \u00d7 100%. Khi t\u00ednh t\u1ef7 l\u1ec7 lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t, c\u1ea7n t\u00ednh ri\u00eang theo c\u00e1c lo\u1ea1i t\u1ea1p ch\u1ea5t kh\u00e1c nhau \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf (t\u1ea1p ch\u1ea5t l\u1edbn, t\u1ea1p ch\u1ea5t nh\u1ecf, t\u1ea1p ch\u1ea5t nh\u1eb9, c\u1ecf l\u00f9ng, v.v.). T\u1ef7 l\u1ec7 chi\u1ebft h\u1ea1t r\u00f2ng = kh\u1ed1i l\u01b0\u1ee3ng h\u1ea1t th\u1ef1c sau khi l\u00e0m s\u1ea1ch\/kh\u1ed1i l\u01b0\u1ee3ng h\u1ea1t th\u1ef1c tr\u01b0\u1edbc khi l\u00e0m s\u1ea1ch \u00d7 100%.<\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":1404,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[32,31,23],"class_list":["post-1402","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-impurities-in-rice","tag-rice-cleaning","tag-rice-destoner","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33"],"_links":{"self":[{"href":"https:\/\/rice-machinery.com\/vi\/wp-json\/wp\/v2\/posts\/1402","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rice-machinery.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rice-machinery.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rice-machinery.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rice-machinery.com\/vi\/wp-json\/wp\/v2\/comments?post=1402"}],"version-history":[{"count":0,"href":"https:\/\/rice-machinery.com\/vi\/wp-json\/wp\/v2\/posts\/1402\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rice-machinery.com\/vi\/wp-json\/wp\/v2\/media\/1404"}],"wp:attachment":[{"href":"https:\/\/rice-machinery.com\/vi\/wp-json\/wp\/v2\/media?parent=1402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rice-machinery.com\/vi\/wp-json\/wp\/v2\/categories?post=1402"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rice-machinery.com\/vi\/wp-json\/wp\/v2\/tags?post=1402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}