{"id":31582,"date":"2020-08-18T09:00:58","date_gmt":"2020-08-18T07:00:58","guid":{"rendered":"https:\/\/dev.fleximecan.com\/curiositats-sobre-els-extintors-i-el-seu-correcte-us\/"},"modified":"2020-08-18T09:00:58","modified_gmt":"2020-08-18T07:00:58","slug":"curiositats-sobre-els-extintors-i-el-seu-correcte-us","status":"publish","type":"post","link":"https:\/\/www.fleximecan.com\/ca\/curiositats-sobre-els-extintors-i-el-seu-correcte-us\/","title":{"rendered":"Curiositats sobre els extintors i el seu correcte \u00fas"},"content":{"rendered":"<p>Encara que no ho sembli, els <a href=\"\/\"><strong>extintors<\/strong><\/a> tenen moltes hist\u00f2ries i curiositats emmagatzemades dins dels seus cossos de metall. Tamb\u00e9, els incendis, encara que no tinguin molt misteri, cal apagar-los seguint uns procediments depenent del causant d&#8217;aquests, ja que cada combustible s\u2019ha de tractar diferent.<\/p>\n<p>Els <strong>extintors<\/strong> es van patentar i van inventar fa dos segles, l&#8217;any 1813 per l&#8217;inventor William Manby al Regne Unit. El primer funcionava amb quatre cilindres, tres d&#8217;aquests contenien aigua i l&#8217;\u00faltim aire comprimit. Aquest \u00faltim permetia que l&#8217;aigua sort\u00eds a pressi\u00f3 per poder extingir l&#8217;incendi amb efic\u00e0cia. Fins a l&#8217;any 1905 no es va substituir l&#8217;aigua per bicarbonat s\u00f2dic<\/p>\n<p>L&#8217;any 2015 es va inventar un extintor sonor, \u00e9s a dir, un extintor capa\u00e7 d&#8217;extingir incendis mitjan\u00e7ant el so, emetent unes ones d\u2019entre 30 a 60 Hertz. Aquesta baixa freq\u00fc\u00e8ncia aconsegueix allunyar l&#8217;oxigen de les flames el temps suficient per extingir-lo. Avui en dia encara s&#8217;estan fent proves amb aquest aparell d&#8217;extinci\u00f3, ja que de moment nom\u00e9s s\u00f3n capa\u00e7os d&#8217;apagar incendis petits i no refreda la zona que est\u00e0 sent cremada. Si s&#8217;aconsegueix desenvolupar un extintor sonor efica\u00e7, aix\u00f2 significaria una reducci\u00f3 total de la contaminaci\u00f3 causada pels agents extintors amb una durabilitat molt llarga.<\/p>\n<p>Utilitzar un grup d&#8217;<strong>extintors<\/strong> sempre ser\u00e0 m\u00e9s efica\u00e7 per extingir un incendi que no usant extintor despr\u00e9s extintor. L&#8217;actuaci\u00f3 de m\u00faltiples al mateix temps t\u00e9 una capacitat m\u00e9s gran d&#8217;allunyar l&#8217;oxigen o la font de combusti\u00f3, reduint les flames amb efic\u00e0cia.<\/p>\n<p>Sempre s&#8217;ha de extingir el foc subministrant l&#8217;agent extintor a la direcci\u00f3 de vent perqu\u00e8 aquest no es quedi enrere i les brases de foc no arribin a tu.<\/p>\n<p>Si el foc s&#8217;ha originat en una superf\u00edcie l\u00edquida, s&#8217;ha de extingir comen\u00e7ant per la part davantera de la base del foc. Si s&#8217;ha originat per un vessament, s&#8217;ha d\u2019extingir comen\u00e7ant per la part m\u00e9s alta de foc i despr\u00e9s cap avall.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Encara que no ho sembli, els extintors tenen moltes hist\u00f2ries i curiositats emmagatzemades dins dels seus cossos de metall. Tamb\u00e9, els incendis, encara que no tinguin molt misteri, cal apagar-los seguint uns procediments depenent del causant d&#8217;aquests, ja que cada combustible s\u2019ha de tractar diferent. Els extintors es van patentar i van inventar fa dos [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":30805,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[],"class_list":["post-31582","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sense-categoria"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Curiositats sobre els extintors i el seu correcte \u00fas - Fleximecan<\/title>\n<meta name=\"description\" content=\"Encara que no ho sembli, els extintors tenen moltes hist\u00f2ries i curiositats emmagatzemades dins dels seus cossos de metall. 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