https:\/\/youtu.be\/Ybp4dBKdFZE?si=NpfktWdFcq_dLskU?rel=0<\/p>\n
\u0110\u00e8n halogen d\u00e2y t\u00f3c vonfram ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o (T\u1ed5ng quan ng\u1eafn g\u1ecdn)<\/p>\n
\u0110\u00e8n halogen vonfram c\u00f3 c\u1ea5u t\u1ea1o t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u00e8n d\u00e2y t\u00f3c vonfram ch\u1ee9a kh\u00ed th\u00f4ng th\u01b0\u1eddng ngo\u1ea1i tr\u1eeb m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf halogen (th\u01b0\u1eddng l\u00e0 brom) trong kh\u00ed n\u1ea1p.<\/p>\n
Kh\u00ed halogen ph\u1ea3n \u1ee9ng v\u1edbi vonfram \u0111\u00e3 bay h\u01a1i, di chuy\u1ec3n ra ngo\u00e0i v\u00e0 l\u1eafng \u0111\u1ecdng tr\u00ean t\u01b0\u1eddng \u0111\u00e8n. Khi th\u00e0nh v\u1ecf th\u1ea1ch anh \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 250C, halogen ph\u1ea3n \u1ee9ng v\u1edbi vonfram t\u1ea1o th\u00e0nh halogenua vonfram, ch\u1ea5t n\u00e0y tho\u00e1t ra kh\u1ecfi th\u00e0nh \u0111\u00e8n v\u00e0 di chuy\u1ec3n tr\u1edf l\u1ea1i d\u00e2y t\u00f3c.<\/p>\n
H\u1ee3p ch\u1ea5t halogenua ph\u1ea3n \u1ee9ng \u1edf d\u00e2y t\u00f3c n\u01a1i c\u00f3 nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 2.500C l\u00e0m cho vonfram v\u00e0 halogen b\u1ecb ph\u00e2n ly. Vonfram \u0111\u1ecdng l\u1ea1i tr\u00ean c\u00e1c ph\u1ea7n l\u1ea1nh h\u01a1n c\u1ee7a d\u00e2y t\u00f3c v\u00e0 halogen \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng \u0111\u1ec3 ti\u1ebfp t\u1ee5c chu k\u1ef3.<\/p>\n
D\u00e2y t\u00f3c c\u1ee7a \u0111\u00e8n halogen vonfram c\u00f3 hai m\u1ee5c \u0111\u00edch. M\u1ed9t l\u00e0 t\u1ea1o ra \u00e1nh s\u00e1ng v\u00e0 th\u1ee9 hai l\u00e0 t\u1ea1o ra nhi\u1ec7t c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 tr\u00ean t\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 250C.<\/p>\n
Nh\u1eefng \u0111\u00e8n n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 t\u01b0\u1eddng c\u1ea7n thi\u1ebft n\u00e0y khi ho\u1ea1t \u0111\u1ed9ng \u1edf \u0111i\u1ec7n \u00e1p thi\u1ebft k\u1ebf. Vi\u1ec7c gi\u1ea3m \u0111i\u1ec7n \u00e1p v\u01b0\u1ee3t qu\u00e1 10% so v\u1edbi \u0111i\u1ec7n \u00e1p thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 s\u1ebd khi\u1ebfn nhi\u1ec7t \u0111\u1ed9 tr\u00ean t\u01b0\u1eddng gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi m\u1ee9c y\u00eau c\u1ea7u 250C.<\/p>\n
C\u00e1c th\u1eed nghi\u1ec7m cho th\u1ea5y r\u1eb1ng trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p, \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh gi\u1ea3m n\u00e0y kh\u00f4ng g\u00e2y b\u1ea5t l\u1ee3i cho ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u00e8n. V\u00e0o th\u1eddi \u0111i\u1ec3m nhi\u1ec7t \u0111\u1ed9 th\u00e0nh gi\u1ea3m \u0111\u1ebfn \u0111i\u1ec3m m\u00e0 chu tr\u00ecnh halogen ng\u1eebng ho\u1ea1t \u0111\u1ed9ng, nhi\u1ec7t \u0111\u1ed9 d\u00e2y t\u00f3c \u0111\u00e3 gi\u1ea3m \u0111\u1ebfn m\u1ee9c m\u00e0 s\u1ef1 bay h\u01a1i c\u1ee7a vonfram l\u00e0 kh\u00f4ng \u0111\u00e1ng k\u1ec3. N\u1ebfu nh\u1eadn th\u1ea5y t\u01b0\u1eddng b\u1ecb \u0111en th\u00ec n\u00ean tr\u00e1nh d\u1ea3i \u0111i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng t\u1ea1i \u0111\u00f3 \u0111i\u1ec1u n\u00e0y x\u1ea3y ra. \u0110\u1ed1t \u0111\u00e8n \u1edf \u0111i\u1ec7n \u00e1p thi\u1ebft k\u1ebf trong m\u1ed9t kho\u1ea3ng th\u1eddi gian ng\u1eafn th\u01b0\u1eddng c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf hi\u1ec7n t\u01b0\u1ee3ng \u0111en \u0111\u00e8n do ho\u1ea1t \u0111\u1ed9ng t\u1ea1m th\u1eddi trong d\u1ea3i \u0111i\u1ec7n \u00e1p nh\u01b0 v\u1eady.<\/p>\n
Tuy nhi\u00ean, trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p hi\u1ebfm hoi, \u0111\u00e8n halogen vonfram b\u1ecb gi\u1ea3m \u0111\u1ecbnh m\u1ee9c h\u01a1n 10% c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n \u1ee9ng b\u1ea5t l\u1ee3i c\u1ee7a halogen \u0103n m\u00f2n t\u1ea5n c\u00f4ng d\u00e2y t\u00f3c vonfram g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng h\u1ecfng \u0111\u00e8n s\u1edbm. Kh\u00f4ng n\u00ean v\u1eadn h\u00e0nh \u0111\u00e8n halogen vonfram \u1edf \u0111i\u1ec7n \u00e1p v\u01b0\u1ee3t qu\u00e1 \u0111i\u1ec7n \u00e1p thi\u1ebft k\u1ebf v\u00ec \u0111\u00e8n th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u1edf gi\u1edbi h\u1ea1n t\u1ed1i \u0111a c\u1ee7a ch\u00fang. Nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec7m \u0111\u00e8n kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 350C, n\u1ebfu kh\u00f4ng d\u1ea3i b\u0103ng molypden s\u1ebd b\u1ecb oxy h\u00f3a d\u1eabn \u0111\u1ebfn \u0111\u00e8n b\u1ecb h\u1ecfng s\u1edbm.<\/p>\n","protected":false},"excerpt":{"rendered":"
https:\/\/youtu.be\/Ybp4dBKdFZE?si=NpfktWdFcq_dLskU?rel=0 \u0110\u00e8n halogen d\u00e2y t\u00f3c vonfram ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o (T\u1ed5ng quan ng\u1eafn g\u1ecdn) \u0110\u00e8n halogen vonfram c\u00f3 c\u1ea5u t\u1ea1o t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u00e8n d\u00e2y t\u00f3c vonfram ch\u1ee9a kh\u00ed th\u00f4ng th\u01b0\u1eddng ngo\u1ea1i tr\u1eeb m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf halogen (th\u01b0\u1eddng l\u00e0 brom) trong kh\u00ed n\u1ea1p. Kh\u00ed halogen ph\u1ea3n \u1ee9ng v\u1edbi vonfram…<\/p>\n","protected":false},"author":11,"featured_media":5426,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1],"tags":[148931,152844,150268,148270,148447,148272,148274,146082,148898,149823,149250,149261,153042,155071,157227],"class_list":["post-5425","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs","tag-heat","tag-ir","tag-lamp","tag-halogen","tag-halogen-heating","tag-halogen-heating-lamp","tag-halogen-lamp","tag-halogen-lamps","tag-halogens","tag-heating","tag-heating-lamp","tag-heating-lamp-replacement","tag-ir-lamps","tag-short-wave","tag-short-wave-ir"],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","zh","ar","ja","ko","ru","nl","de","hi","it","pt","es","th","tr","vi"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"zh":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"nl":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"hi":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/posts\/5425","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/comments?post=5425"}],"version-history":[{"count":15,"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/posts\/5425\/revisions"}],"predecessor-version":[{"id":7749,"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/posts\/5425\/revisions\/7749"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/media\/5426"}],"wp:attachment":[{"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/media?parent=5425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/categories?post=5425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/o-yate.net\/vi\/wp-json\/wp\/v2\/tags?post=5425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}