{"id":824,"date":"2011-11-20T13:25:45","date_gmt":"2011-11-20T11:25:45","guid":{"rendered":"http:\/\/www.obeczubri.cz\/hasici\/?p=824"},"modified":"2015-08-31T13:26:37","modified_gmt":"2015-08-31T11:26:37","slug":"vite-neco-malo-o-ohni","status":"publish","type":"post","link":"https:\/\/www.obeczubri.cz\/hasici\/2011\/11\/20\/vite-neco-malo-o-ohni\/","title":{"rendered":"V\u00edte n\u011bco m\u00e1lo o ohni ??"},"content":{"rendered":"<div><b><\/b><b>Je to jednoduch\u00e9 \u2013 t\u0159\u00edsky na podpal m\u00e1me p\u0159ipraveny, d\u011bti p\u0159inesly z d\u0159evn\u00edku z\u00e1sobu b\u0159ezov\u00fdch polen a n\u00e1m sta\u010d\u00ed jen p\u0159ilo\u017eit ho\u0159\u00edc\u00ed z\u00e1palku ke star\u00fdm novin\u00e1m. Za chv\u00edli budou v krbu vesele tan\u010dit \u010derven\u00e9 plam\u00ednky a pokojem se rozlije p\u0159\u00edjemn\u00e9 teplo. A proto\u017ee do za\u010d\u00e1tku obl\u00edben\u00e9ho televizn\u00edho programu zb\u00fdv\u00e1 n\u011bkolik minut, posad\u00edme se do k\u0159esla a mo\u017en\u00e1 n\u00e1s napadne my\u0161lenka, co to ho\u0159en\u00ed vlastn\u011b je a za jak\u00fdch podm\u00ednek k n\u011bmu doch\u00e1z\u00ed.<br \/>\nNa pomoc si vezmeme u\u010debnici chemie, ve kter\u00e9 najdeme tuto definici: ho\u0159en\u00ed je fyzik\u00e1ln\u011b-chemick\u00e1 reakce, p\u0159i kter\u00e9 se l\u00e1tka, zah\u0159\u00e1t\u00e1 na svoji z\u00e1palnou teplotu, slu\u010duje s kysl\u00edkem za siln\u00e9ho v\u00fdvoje tepla, sv\u011btla a zplodin ho\u0159en\u00ed.<\/b>Definice n\u00e1m napov\u00edd\u00e1, \u017ee proces ho\u0159en\u00ed vy\u017eaduje t\u0159i d\u016fle\u017eit\u00e9 faktory. Prvn\u00edm je bezesporu ho\u0159lav\u00e1 l\u00e1tka. V\u00fdb\u011br je opravdu rozmanit\u00fd ve v\u0161ech skupenstv\u00edch hmoty: nap\u0159. ho\u0159lav\u00e9 kapaliny<\/p>\n<p>\u2013 benz\u00edn nebo l\u00edh, pevn\u00e9 ho\u0159lav\u00e9 hmoty<br \/>\n\u2013 nap\u0159. d\u0159evo, pap\u00edr, textil nebo plynn\u00e9 l\u00e1tky<br \/>\n\u2013 zemn\u00ed plyn, propan-butan a dal\u0161\u00ed.<\/p>\n<p>Druh\u00fd faktor \u2013 kysl\u00edk, obsahuje vzduch kolem n\u00e1s, pro speci\u00e1ln\u00ed \u00fa\u010dely se uchov\u00e1v\u00e1 \u010dist\u00fd kysl\u00edk v tlakov\u00fdch lahv\u00edch a jako okysli\u010dovadlo posta\u010d\u00ed v n\u011bkter\u00fdch p\u0159\u00edpadech i kysl\u00edk v\u00e1zan\u00fd v chemick\u00fdch slou\u010denin\u00e1ch. A jestli\u017ee se n\u00e1m sejdou ho\u0159lavina s kysl\u00edkem, co\u017e je vzhledem k prost\u0159ed\u00ed, v n\u011bm\u017e \u017eijeme, stav t\u00e9m\u011b\u0159 neust\u00e1l\u00fd, posta\u010d\u00ed p\u0159idat je\u0161t\u011b z\u00e1paln\u00fd zdroj a ohe\u0148 je tady. Z\u00e1paln\u00fdm zdrojem nemus\u00ed b\u00fdt jenom otev\u0159en\u00fd plamen, stejn\u011b dob\u0159e dok\u00e1\u017ee zap\u00e1lit i \u017ehnouc\u00ed uhl\u00edk, nedopalek cigarety, jiskry odletuj\u00edc\u00ed od brusky nebo jisk\u0159en\u00ed mezi kontakty vyp\u00edna\u010de \u010di atmosf\u00e9rick\u00fd v\u00fdboj \u2013 blesk. Jestli\u017ee odstran\u00edme n\u011bkterou z uveden\u00fdch slo\u017eek, nem\u016f\u017ee proces ho\u0159en\u00ed prob\u00edhat. V\u00edme tedy, \u017ee budeme-li n\u011bkdy hasit, nebudeme d\u011blat nic jin\u00e9ho, ne\u017e br\u00e1nit p\u0159\u00edstupu vzduchu, ochlazovat ho\u0159\u00edc\u00ed l\u00e1tky nebo je zcela odstra\u0148ovat.<\/p>\n<p>V praxi to znamen\u00e1 nap\u0159\u00edklad vypnout neprodlen\u011b p\u0159\u00edvod plynu, pokr\u00fdt ho\u0159\u00edc\u00ed materi\u00e1ly p\u011bnou nebo t\u0159eba ochladit rozp\u00e1len\u00e9 d\u0159evo vodou.<\/p>\n<p>Ke zdol\u00e1n\u00ed mal\u00e9ho po\u017e\u00e1ru n\u00e1m posta\u010d\u00ed b\u011b\u017en\u00e9 hasebn\u00ed prost\u0159edky \u2013 tlumice, houn\u011b, ru\u010dn\u00ed st\u0159\u00edka\u010dky, n\u011bkdy sta\u010d\u00ed v\u011bdro vody nebo zahradn\u00ed hadice. Podstatn\u011b \u00fa\u010dinn\u011bj\u0161\u00ed jsou ru\u010dn\u00ed hasic\u00ed p\u0159\u00edstroje, u nich\u017e je ov\u0161em nutno pamatovat na omezen\u00e9 \u010dasov\u00e9 p\u016fsoben\u00ed a pou\u017e\u00edt vhodn\u00fd typ. Jak se m\u011bn\u00ed technika a technologie, i hasebn\u00ed l\u00e1tky doznaly za posledn\u00ed l\u00e9ta zm\u011bny a p\u0159edev\u0161\u00edm se zv\u00fd\u0161ila jejich hasebn\u00ed schopnost. \u201e. Po pou\u017eit\u00ed nech\u00e1me hasic\u00ed p\u0159\u00edstroj co nejd\u0159\u00edve naplnit u odborn\u00e9 firmy nebo jej nahrad\u00edme nov\u00fdm p\u0159\u00edstrojem.<\/p>\n<p>Co \u0159\u00edci z\u00e1v\u011brem? Ohe\u0148 v krbu i ohe\u0148 na st\u0159e\u0161e je jeden a tent\u00fd\u017e a je pouze na n\u00e1s, p\u0159edstav\u00ed-li se jako dobr\u00fd sluha, nebo zl\u00fd p\u00e1n.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Je to jednoduch\u00e9 \u2013 t\u0159\u00edsky na podpal m\u00e1me p\u0159ipraveny, d\u011bti p\u0159inesly z d\u0159evn\u00edku z\u00e1sobu b\u0159ezov\u00fdch polen a n\u00e1m sta\u010d\u00ed jen p\u0159ilo\u017eit ho\u0159\u00edc\u00ed z\u00e1palku ke star\u00fdm novin\u00e1m. Za chv\u00edli budou v krbu vesele tan\u010dit \u010derven\u00e9 plam\u00ednky a pokojem se rozlije p\u0159\u00edjemn\u00e9 teplo. A proto\u017ee do za\u010d\u00e1tku obl\u00edben\u00e9ho televizn\u00edho programu zb\u00fdv\u00e1 n\u011bkolik minut, posad\u00edme se do k\u0159esla [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[31],"tags":[],"class_list":["post-824","post","type-post","status-publish","format-standard","hentry","category-vite-ze"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p91NNl-di","_links":{"self":[{"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/posts\/824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/comments?post=824"}],"version-history":[{"count":2,"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/posts\/824\/revisions"}],"predecessor-version":[{"id":826,"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/posts\/824\/revisions\/826"}],"wp:attachment":[{"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/media?parent=824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/categories?post=824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/tags?post=824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}