{"id":9717,"date":"2012-02-01T03:46:06","date_gmt":"2012-01-31T20:46:06","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/02\/ket-qua-nghien-cuu-xu-ly-cham-chay-cho-go-bach-dan-trang-bang-dung-dich-natri-silicat\/"},"modified":"2015-05-19T13:28:56","modified_gmt":"2015-05-19T06:28:56","slug":"ket-qua-nghien-cuu-xu-ly-cham-chay-cho-go-bach-dan-trang-bang-dung-dich-natri-silicat","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-nghien-cuu-xu-ly-cham-chay-cho-go-bach-dan-trang-bang-dung-dich-natri-silicat\/","title":{"rendered":"K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u x\u1eed l\u00fd ch\u1eadm ch\u00e1y cho g\u1ed7 B\u1ea1ch \u0111\u00e0n tr\u1eafng b\u1eb1ng dung d\u1ecbch Natri silicat"},"content":{"rendered":"

Nguy\u1ec5n\u0110\u1ee9c Th\u00e0nh, V\u0169 \u0110\u00ecnh Th\u1ecbnh, Nguy\u1ec5n Xu\u00e2n Hi\u00ean<\/h1>\n

Ph\u00f2ng Nghi\u00ean c\u1ee9u Ch\u1ebf bi\u1ebfn l\u00e2m s\u1ea3n <\/em><\/h1>\n

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em><\/h1>\n

T\u00d3M T\u1eaeT<\/h1>\n

G\u1ed7 B\u1ea1ch \u0111\u00e0n tr\u1eafng (Eucalyptus camaldulensis<\/em> Dehnh.) l\u00e0 m\u1ed9t trong s\u1ed1 lo\u1ea1i g\u1ed7 r\u1eebng tr\u1ed3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng, giao th\u00f4ng, khai th\u00e1c h\u1ea7m m\u1ecf, \u0111\u1ed3 m\u1ed9c,\u2026 . Nh\u01b0ng g\u1ed7 c\u00f2n c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m chung l\u00e0 d\u1ec5 ch\u00e1y, nh\u1ea5t l\u00e0 \u1edf \u0111\u1ed9 \u1ea9m th\u1ea5p (\u0111\u1ed9 \u1ea9m s\u1eed d\u1ee5ng). Ch\u00ednh v\u00ec l\u00fd do \u0111\u00f3 m\u00e0 vi\u1ec7c ph\u00f2ng ch\u1ed1ng ch\u00e1y cho g\u1ed7 v\u00e0 c\u00e1c v\u1eadt li\u1ec7u t\u1eeb g\u1ed7 \u0111\u00e3 v\u00e0 \u0111ang \u0111\u01b0\u1ee3c quan t\u00e2m \u0111\u1eb7c bi\u1ec7t. Trong ph\u1ea1m vi \u0111\u1ec1 t\u00e0i \u0111\u00e3 ti\u1ebfn h\u00e0nh x\u1eed l\u00fd ch\u1ed1ng ch\u00e1y cho g\u1ed7 B\u1ea1ch \u0111\u00e0n tr\u1eafng b\u1eb1ng dung d\u1ecbch Na2<\/sub>SiO3<\/sub>\u1edf c\u00e1c c\u1ea5p n\u1ed3ng \u0111\u1ed9 10%, 15% , 20%, 25%\u0111\u00e3 l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng ch\u1eadm ch\u00e1y cho g\u1ed7 v\u00e0 \u0111\u01b0a g\u1ed7 B\u1ea1ch \u0111\u00e0n tr\u1eafng t\u1eeb v\u1eadt li\u1ec7u d\u1ec5 ch\u00e1y th\u00e0nh v\u1eadt li\u1ec7u kh\u00f3 b\u1eaft l\u1eeda, c\u00f3 kh\u1ea3 n\u0103ng ng\u0103n c\u1ea3n ch\u00e1y ph\u00e1t s\u00e1ng (ch\u00e1y c\u00f3 ng\u1ecdn l\u1eeda) v\u00e0 ch\u00e1y lan t\u1ecfa.<\/p>\n

T\u1eeb kh\u00f3a:<\/strong> Ch\u1ed1ng ch\u00e1y, B\u1ea1ch \u0111\u00e0n tr\u1eafng, Natri silicat<\/p>\n

\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong><\/p>\n

Nhu c\u1ea7u ph\u00f2ng tr\u00e1nh c\u00e1c r\u1ee7i ro v\u00e0 gi\u1ea3m s\u1ed1 ng\u01b0\u1eddi ch\u1ebft do h\u1ecfa ho\u1ea1n t\u1ea1o ra tri\u1ec3n v\u1ecdng v\u1ec1 th\u1ecb tr\u01b0\u1eddng c\u00e1c s\u1ea3n ph\u1ea9m g\u1ed7 ch\u1eadm ch\u00e1y. \u01afu \u0111i\u1ec3m ch\u1ee7 y\u1ebfu c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m g\u1ed7 \u0111\u01b0\u1ee3c x\u1eed ly\u0301 ch\u1eadm ch\u00e1y l\u00e0 ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng ph\u1ea1m vi s\u1eed d\u1ee5ng. C\u00e1c s\u1ea3n ph\u1ea9m g\u1ed7 \u0111\u01b0\u1ee3c x\u1eed ly\u0301 ch\u1eadm ch\u00e1y c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a nh\u00f3m B trong h\u1ec7 th\u1ed1ng ph\u00e2n lo\u1ea1i c\u00e1c s\u1ea3n ph\u1ea9m x\u00e2y d\u1ef1ng c\u1ee7a ch\u00e2u \u00c2u, trong khi \u0111\u00f3 c\u00e1c s\u1ea3n ph\u1ea9m g\u1ed7 kh\u00f4ng x\u1eed l\u00ed ch\u1eadm ch\u00e1y ch\u1ec9 \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o nh\u00f3m D. (Tr\u1ea7n Tu\u1ea5n Ngh\u0129a (1994), Robert J\u00f6nsson, Ove Pettersson (1985)).V\u1edbi m\u1ee5c \u0111\u00edch x\u00e2y d\u1ef1ng c\u01a1 s\u1edf cho vi\u1ec7c thi\u1ebft l\u1eadp ch\u1ebf \u0111\u1ed9 c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd ch\u1eadm ch\u00e1y cho g\u1ed7 B\u1ea1ch \u0111\u00e0n tr\u1eafng, m\u1ed9t lo\u1ea1i g\u1ed7 r\u1eebng tr\u1ed3ng ph\u1ed5 bi\u1ebfn \u1edf Vi\u1ec7t Nam, ch\u00fang t\u00f4i \u0111\u00e3 b\u01b0\u1edbc \u0111\u1ea7u nghi\u00ean c\u1ee9u “X\u1eed l\u00fd ch\u1eadm ch\u00e1y cho g\u1ed7 B\u1ea1ch \u0111a\u0300ntr\u1eafng (Eucalyptus camaldulensis <\/em>Dehnh.) b\u1eb1ng dung d\u1ecbch Natri silicat (Na2<\/sub>SiO3<\/sub>) l\u00e0m nguy\u00ean li\u1ec7u cho s\u1ea3n xu\u1ea5t \u0111\u1ed3 m\u1ed9c”.<\/em> Trong ph\u1ea1m vi b\u00e0i b\u00e1o, ch\u00fang t\u00f4i t\u00f3m t\u1eaft m\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u: x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng thu\u1ed1c th\u1ea5m v\u00e0 t\u1ef7 l\u1ec7 t\u1ed5n th\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng khi x\u1eed l\u00fd ch\u1eadm ch\u00e1y cho g\u1ed7 B\u1ea1ch \u0111\u00e0n tr\u1eafng \u1edf c\u00e1c c\u1ea5p n\u1ed3ng \u0111\u1ed9 h\u00f3a ch\u1ea5t kh\u00e1c nhau.<\/p>\n","protected":false},"excerpt":{"rendered":"

\nG\u1ed7 B\u1ea1ch \u0111àn tr\u1eafng (Eucalyptus camaldulensis<\/em> Dehnh.) là m\u1ed9t trong s\u1ed1 lo\u1ea1i g\u1ed7 r\u1eebng tr\u1ed3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong công trình xây d\u1ef1ng, giao thông, khai thác h\u1ea7m m\u1ecf, \u0111\u1ed3 m\u1ed9c,… .  <\/span>Nh\u01b0ng g\u1ed7 còn có nh\u01b0\u1ee3c \u0111i\u1ec3m chung là d\u1ec5 cháy, nh\u1ea5t là \u1edf \u0111\u1ed9 \u1ea9m th\u1ea5p (\u0111\u1ed9 \u1ea9m s\u1eed d\u1ee5ng). Chính vì lý do \u0111ó mà vi\u1ec7c phòng ch\u1ed1ng cháy cho g\u1ed7 và các v\u1eadt li\u1ec7u t\u1eeb g\u1ed7 \u0111ã và \u0111ang \u0111\u01b0\u1ee3c quan tâm \u0111\u1eb7c bi\u1ec7t. Trong ph\u1ea1m vi \u0111\u1ec1 tài \u0111ã ti\u1ebfn hành x\u1eed lý ch\u1ed1ng cháy cho g\u1ed7<\/span> B\u1ea1ch \u0111àn tr\u1eafng b\u1eb1ng dung d\u1ecbch Na2<\/sub>SiO3<\/sub> <\/span><\/span>\u1edf<\/span> các c\u1ea5p n\u1ed3ng \u0111\u1ed9 10%, 15% , 20%, 25%  <\/span>\u0111ã <\/span>làm <\/span>t\u0103ng kh\u1ea3 n\u0103ng ch\u1eadm cháy<\/span> cho g\u1ed7 và<\/span> \u0111\u01b0a g\u1ed7 B\u1ea1ch \u0111àn tr\u1eafng t\u1eeb v\u1eadt li\u1ec7u d\u1ec5 cháy thành v\u1eadt li\u1ec7u khó b\u1eaft l\u1eeda, có kh\u1ea3 n\u0103ng ng\u0103n c\u1ea3n cháy phát sáng (cháy có ng\u1ecdn l\u1eeda) và cháy lan t\u1ecfa.<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9717"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9717"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9717\/revisions"}],"predecessor-version":[{"id":15218,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9717\/revisions\/15218"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}