{"id":136846,"date":"2026-02-06T14:09:49","date_gmt":"2026-02-06T06:09:49","guid":{"rendered":"https:\/\/www.alpapowder.com\/136846\/"},"modified":"2026-02-06T14:09:49","modified_gmt":"2026-02-06T06:09:49","slug":"cong-nghe-phong-ngua-no-bui","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/136846\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 ph\u00f2ng ng\u1eeba n\u1ed5 b\u1ee5i"},"content":{"rendered":"

\"\"<\/p>\n

N\u1ed5 b\u1ee5i l\u00e0 m\u1ed9t ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc trong \u0111\u00f3 b\u1ee5i d\u1ec5 ch\u00e1y, tr\u1ed9n l\u1eabn v\u1edbi kh\u00ed oxy h\u00f3a (nh\u01b0 oxy ho\u1eb7c kh\u00f4ng kh\u00ed) t\u1ea1o th\u00e0nh \u0111\u00e1m m\u00e2y b\u1ee5i trong kh\u00f4ng gian k\u00edn, b\u1ed1c ch\u00e1y nhanh ch\u00f3ng khi c\u00f3 ngu\u1ed3n \u0111\u00e1nh l\u1eeda, g\u00e2y ra s\u1ef1 t\u0103ng nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t \u0111\u1ed9t ng\u1ed9t.<\/p>\n

C\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 x\u1ea3y ra n\u1ed5 b\u1ee5i th\u01b0\u1eddng bao g\u1ed3m n\u0103m y\u1ebfu t\u1ed1:<\/p>\n

(1) S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a b\u1ee5i c\u00f3 th\u1ec3 tr\u1ea3i qua ph\u1ea3n \u1ee9ng oxy h\u00f3a v\u1edbi kh\u00ed oxy h\u00f3a;<\/p>\n

(2) S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a kh\u00ed oxy h\u00f3a;<\/p>\n

(3) S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a ngu\u1ed3n nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ee7 \u0111\u1ec3 \u0111\u1ed1t ch\u00e1y b\u1ee5i, t\u1ee9c l\u00e0 ngu\u1ed3n \u0111\u00e1nh l\u1eeda;<\/p>\n

(4) B\u1ee5i \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n trong kh\u00ed oxy h\u00f3a, t\u1ea1o th\u00e0nh \u0111\u00e1m m\u00e2y b\u1ee5i v\u00e0 \u0111\u1ea1t \u0111\u1ebfn gi\u1edbi h\u1ea1n n\u1ed5 d\u01b0\u1edbi;<\/p>\n

(5) \u0110\u00e1m m\u00e2y b\u1ee5i \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n trong m\u1ed9t kh\u00f4ng gian t\u01b0\u01a1ng \u0111\u1ed1i k\u00edn.<\/p>\n

C\u00e1c c\u00f4ng ngh\u1ec7 ki\u1ec3m so\u00e1t n\u1ed5 b\u1ee5i<\/p>\n

(1) Ch\u1ed1ng n\u1ed5<\/p>\n

\u0110i\u1ec1u n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u0103ng c\u01b0\u1eddng thi\u1ebft b\u1ecb v\u00e0 c\u01a1 s\u1edf v\u1eadt ch\u1ea5t \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t n\u1ed5 nh\u1ea5t \u0111\u1ecbnh, t\u1eeb \u0111\u00f3 ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb. \u0110\u1ed1i v\u1edbi thi\u1ebft k\u1ebf ch\u1ed1ng n\u1ed5 b\u1ee5i, \u00e1p su\u1ea5t thi\u1ebft k\u1ebf th\u01b0\u1eddng kho\u1ea3ng 1,0 MPa, d\u1ef1a tr\u00ean \u00e1p su\u1ea5t n\u1ed5 t\u1ed1i \u0111a kho\u1ea3ng 0,9 MPa trong b\u00ecnh c\u1ea7u 20L. Tuy nhi\u00ean, h\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb thu b\u1ee5i hi\u1ec7n nay ch\u1ec9 c\u00f3 \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t t\u1eeb \u200b\u200b30-50 kPa, v\u00ec v\u1eady c\u1ea7n ph\u1ea3i xem x\u00e9t \u0111\u1ebfn vi\u1ec7c x\u1ea3 \u00e1p su\u1ea5t n\u1ed5.<\/p>\n

(2) X\u1ea3 \u00e1p su\u1ea5t n\u1ed5<\/p>\n

\u0110i\u1ec1u n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00e1c thi\u1ebft b\u1ecb gi\u1ea3m \u00e1p su\u1ea5t, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u0129a v\u1ee1 v\u00e0 c\u1eeda gi\u1ea3m \u00e1p su\u1ea5t, tr\u00ean thi\u1ebft b\u1ecb v\u00e0 c\u01a1 s\u1edf v\u1eadt ch\u1ea5t \u0111\u1ec3 cho ph\u00e9p gi\u1ea3i ph\u00f3ng nhanh ch\u00f3ng \u00e1p su\u1ea5t n\u1ed5, gi\u1ea3m \u00e1p su\u1ea5t \u0111\u1ec9nh b\u00ean trong thi\u1ebft b\u1ecb v\u00e0 do \u0111\u00f3 gi\u1ea3m thi\u1ec3u thi\u1ec7t h\u1ea1i cho thi\u1ebft b\u1ecb v\u00e0 con ng\u01b0\u1eddi. C\u00e1c thi\u1ebft b\u1ecb x\u1ea3 \u00e1p su\u1ea5t n\u1ed5 c\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 b\u1ed1 tr\u00ed h\u1ee3p l\u00fd theo \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c, c\u00f3 t\u00ednh \u0111\u1ebfn hi\u1ec7u \u1ee9ng khu\u1ebfch \u0111\u1ea1i c\u1ee7a s\u1ef1 nhi\u1ec5u lo\u1ea1n b\u00ean trong trong c\u00e1c thi\u1ebft b\u1ecb thu b\u1ee5i v\u00e0 gi\u01b0\u1eddng t\u1ea7ng s\u00f4i \u0111\u1ed1i v\u1edbi n\u1ed5 b\u1ee5i. \u0110i\u1ec1u \u0111\u00e1ng ch\u00fa \u00fd l\u00e0 vi\u1ec7c x\u1ea3 \u00e1p su\u1ea5t n\u1ed5 ch\u1ec9 c\u00f3 th\u1ec3 gi\u1ea3m \u00e1p su\u1ea5t n\u1ed5 t\u1ed1i \u0111a trong th\u00f9ng ch\u1ee9a v\u00e0 ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng th\u00f9ng ch\u1ee9a; n\u00f3 kh\u00f4ng th\u1ec3 ng\u0103n ch\u1eb7n ng\u1ecdn l\u1eeda c\u1ee7a v\u1ee5 n\u1ed5 b\u1ee5i lan sang c\u00e1c th\u00f9ng ch\u1ee9a kh\u00e1c th\u00f4ng qua \u0111\u01b0\u1eddng \u1ed1ng.<\/p>\n

(3) C\u00e1ch ly n\u1ed5<\/p>\n

\u0110i\u1ec1u n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c thi\u1ebft l\u1eadp c\u00e1c van ho\u1eb7c b\u1ed9 ph\u1eadn d\u1eadp t\u1eaft n\u1ed5 \u0111\u1ec3 c\u00e1ch ly khu v\u1ef1c n\u1ed5 v\u1edbi c\u00e1c khu v\u1ef1c kh\u00e1c, ng\u0103n ch\u1eb7n v\u1ee5 n\u1ed5 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 thi\u1ebft b\u1ecb ph\u1ee9c t\u1ea1p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u1ebfu x\u1ea3y ra n\u1ed5, t\u00e1c \u0111\u1ed9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t trong ph\u1ea1m vi nh\u1ecf nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n

(4) D\u1eadp t\u1eaft n\u1ed5<\/p>\n

D\u1eadp t\u1eaft n\u1ed5 c\u0169ng l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 \u0111\u1ec3 gi\u1ea3m \u00e1p su\u1ea5t n\u1ed5 b\u00ean trong th\u00f9ng ch\u1ee9a. Trong giai \u0111o\u1ea1n \u0111\u1ea7u c\u1ee7a v\u1ee5 n\u1ed5, ch\u1ea5t d\u1eadp l\u1eeda (ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1ea5t ch\u1eefa ch\u00e1y ho\u1eb7c kh\u00ed tr\u01a1) \u0111\u01b0\u1ee3c phun nhanh ch\u00f3ng \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 lan truy\u1ec1n v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a v\u1ee5 n\u1ed5. H\u1ec7 th\u1ed1ng d\u1eadp t\u1eaft v\u1ee5 n\u1ed5 th\u01b0\u1eddng \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c c\u1ea3m bi\u1ebfn v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t vi\u1ec7c phun ch\u1ea5t d\u1eadp l\u1eeda ngay khi ph\u00e1t hi\u1ec7n t\u00edn hi\u1ec7u n\u1ed5, t\u1eeb \u0111\u00f3 ki\u1ec3m so\u00e1t hi\u1ec7u qu\u1ea3 v\u1ee5 n\u1ed5.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c t\u0103ng c\u01b0\u1eddng thi\u1ebft b\u1ecb v\u00e0 c\u01a1 s\u1edf v\u1eadt ch\u1ea5t \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c n\u1ed5 nh\u1ea5t \u0111\u1ecbnh, t\u1eeb \u0111\u00f3 ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb.<\/p>\n","protected":false},"author":7,"featured_media":136821,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-136846","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/136846","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=136846"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/136846\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/136821"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=136846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=136846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=136846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}