{"id":827,"date":"2012-05-07T13:26:45","date_gmt":"2012-05-07T11:26:45","guid":{"rendered":"http:\/\/www.obeczubri.cz\/hasici\/?p=827"},"modified":"2015-08-31T13:27:30","modified_gmt":"2015-08-31T11:27:30","slug":"vite-jake-jsou-principy-haseni-pozaru","status":"publish","type":"post","link":"https:\/\/www.obeczubri.cz\/hasici\/2012\/05\/07\/vite-jake-jsou-principy-haseni-pozaru\/","title":{"rendered":"V\u00edte jak\u00e9 jsou principy ha\u0161en\u00ed po\u017e\u00e1r\u016f?"},"content":{"rendered":"
Ha\u0161en\u00ed po\u017e\u00e1r\u016f prov\u00e1d\u00edme na z\u00e1klad\u011b znalosti princip\u016f ha\u0161en\u00ed. Je to \u010dinnost zam\u011b\u0159en\u00e1 na p\u0159eru\u0161en\u00ed chemicko oxida\u010dn\u00edch proces\u016f ho\u0159en\u00ed, p\u0159i vyu\u017eit\u00ed znalost\u00ed fyzik\u00e1ln\u00edch, chemick\u00fdch, tepeln\u00fdch a biochemick\u00fdch proces\u016f. K ha\u0161en\u00ed po\u017e\u00e1r\u016f vyu\u017e\u00edv\u00e1me \u010dty\u0159 z\u00e1kladn\u00edch princip\u016f p\u0159eru\u0161en\u00ed ho\u0159en\u00ed. Principy ha\u0161en\u00ed, respektive p\u0159eru\u0161en\u00ed ho\u0159en\u00ed, ale nesm\u00edme zam\u011bnit za zp\u016fsoby ha\u0161en\u00ed, kter\u00fdch je mnoho, ale vych\u00e1zej\u00ed v\u017edy z princip\u016f ha\u0161en\u00ed.<\/b><\/div>\n
<\/div>\n
1. Princip ochlazov\u00e1n\u00ed<\/b><\/div>\n
Je zalo\u017een na ochlazov\u00e1n\u00ed oblasti ho\u0159en\u00ed a povrchu ho\u0159lav\u00e9 l\u00e1tky – voda, t\u011b\u017ek\u00e1 has\u00edc\u00ed p\u011bna apod.). Ochlazen\u00edm nast\u00e1v\u00e1 sn\u00ed\u017een\u00ed rychlosti uvol\u0148ov\u00e1n\u00ed ho\u0159lav\u00fdch plyn\u016f a par z ho\u0159lav\u00e9 l\u00e1tky nebo materi\u00e1lu, \u010d\u00edm\u017e se sni\u017euje koncentrace v ho\u0159lav\u00e9 sm\u011bsi. Pokra\u010duje-li ochlazov\u00e1n\u00ed i nad\u00e1le, stane se sm\u011bs neho\u0159lavou, doch\u00e1z\u00ed k p\u0159eru\u0161en\u00ed ho\u0159en\u00ed.<\/b><\/div>\n
<\/div>\n
2. Princip izolace
\nJe zalo\u017een na izolaci oblasti ho\u0159en\u00ed od ho\u0159lav\u00e9 l\u00e1tky – has\u00edc\u00ed p\u011bny, neho\u0159lav\u00e9 sypk\u00e9 materi\u00e1ly, n\u011bkter\u00e9 druhy has\u00edc\u00edch pr\u00e1\u0161k\u016f apod. <\/b><\/div>\n
<\/div>\n
3. Princip z\u0159e\u010fov\u00e1n\u00ed
\nJe zalo\u017een na principu z\u0159ed\u011bn\u00ed reaguj\u00edc\u00edch nebo ho\u0159\u00edc\u00edch l\u00e1tek – inertn\u00ed plyny, vodn\u00ed p\u00e1ra, sp\u00e1len\u00e9 plyny apod.<\/p>\n

4. Princip zpomalov\u00e1n\u00ed chemick\u00e9 reakce
\nJe zalo\u017een na zpomalen\u00ed reakce plamenn\u00e9ho ho\u0159en\u00ed – has\u00edc\u00ed pr\u00e1\u0161ky, halony apod.<\/p>\n

P\u0159i volb\u011b vhodn\u00e9ho hasiva mus\u00edme respektovat z\u00e1kladn\u00ed pot\u0159eby a po\u017eadavky \u00fa\u010dinn\u00e9ho ha\u0161en\u00ed i vlivu hasebn\u00edch l\u00e1tek na \u017eivotn\u00ed prost\u0159ed\u00ed. Zvolen\u00e1 hasebn\u00ed l\u00e1tka by m\u011bla m\u00edt vysokou \u00fa\u010dinnost, respektive hasebn\u00ed efekt a samoz\u0159ejm\u011b i p\u0159ijatelnou cenu. I vodou je proto nutno hasit efektivn\u011b a k ha\u0161en\u00ed pou\u017e\u00edt jen nezbytn\u011b nutn\u00e9 mno\u017estv\u00ed tohoto hasiva.<\/b><\/div>\n","protected":false},"excerpt":{"rendered":"

Ha\u0161en\u00ed po\u017e\u00e1r\u016f prov\u00e1d\u00edme na z\u00e1klad\u011b znalosti princip\u016f ha\u0161en\u00ed. Je to \u010dinnost zam\u011b\u0159en\u00e1 na p\u0159eru\u0161en\u00ed chemicko oxida\u010dn\u00edch proces\u016f ho\u0159en\u00ed, p\u0159i vyu\u017eit\u00ed znalost\u00ed fyzik\u00e1ln\u00edch, chemick\u00fdch, tepeln\u00fdch a biochemick\u00fdch proces\u016f. K ha\u0161en\u00ed po\u017e\u00e1r\u016f vyu\u017e\u00edv\u00e1me \u010dty\u0159 z\u00e1kladn\u00edch princip\u016f p\u0159eru\u0161en\u00ed ho\u0159en\u00ed. Principy ha\u0161en\u00ed, respektive p\u0159eru\u0161en\u00ed ho\u0159en\u00ed, ale nesm\u00edme zam\u011bnit za zp\u016fsoby ha\u0161en\u00ed, kter\u00fdch je mnoho, ale vych\u00e1zej\u00ed v\u017edy z princip\u016f […]<\/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","enabled":false},"version":2}},"categories":[31],"tags":[],"class_list":["post-827","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-dl","_links":{"self":[{"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/posts\/827"}],"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=827"}],"version-history":[{"count":1,"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/posts\/827\/revisions"}],"predecessor-version":[{"id":828,"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/posts\/827\/revisions\/828"}],"wp:attachment":[{"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/media?parent=827"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/categories?post=827"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.obeczubri.cz\/hasici\/wp-json\/wp\/v2\/tags?post=827"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}