{"id":234,"date":"2022-08-18T07:36:20","date_gmt":"2022-08-18T07:36:20","guid":{"rendered":"https:\/\/vatgas.hemsida.eu\/?post_type=fakta&#038;p=234"},"modified":"2025-10-30T14:34:20","modified_gmt":"2025-10-30T14:34:20","slug":"vatgas-och-sakerhet","status":"publish","type":"fakta","link":"https:\/\/iwdev.se\/vatgas\/fakta\/vatgas-och-sakerhet\/","title":{"rendered":"V\u00e4tgas och s\u00e4kerhet"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\" id=\"h-saker-hantering-av-vatgas\">S\u00e4ker hantering av v\u00e4tgas<\/h3>\n\n\n\n<p>V\u00e4tgas anv\u00e4nds dagligen i m\u00e5nga delar av v\u00e5rt samh\u00e4lle \u2013 inom industri, transport, energi och forskning. Det \u00e4r faktiskt&nbsp;<strong>den vanligaste industrigasen i v\u00e4rlden<\/strong>, och har hanterats s\u00e4kert i \u00f6ver&nbsp;<strong>hundra \u00e5r<\/strong>. Under den tiden har industrin utvecklat v\u00e4l bepr\u00f6vade metoder f\u00f6r att&nbsp;<strong>producera, lagra, transportera och anv\u00e4nda v\u00e4tgas p\u00e5 ett tryggt s\u00e4tt<\/strong>.<\/p>\n\n\n\n<p>V\u00e4tgas \u00e4r&nbsp;<strong>l\u00e4ttant\u00e4ndlig<\/strong>, men eftersom den \u00e4r&nbsp;<strong>det l\u00e4ttaste grund\u00e4mnet i universum<\/strong>&nbsp;stiger den snabbt upp\u00e5t och sprids i luften. Det inneb\u00e4r att den tid gasen befinner sig i en ant\u00e4ndningsbar koncentration \u00e4r mycket kort \u2013 till skillnad fr\u00e5n till exempel bensin\u00e5ngor som kan ligga kvar n\u00e4ra marken.<\/p>\n\n\n\n<p>Som trycksatt gas ska v\u00e4tgas&nbsp;<strong>hanteras enligt tydliga s\u00e4kerhetsrutiner<\/strong>, precis som alla andra br\u00e4nslen. I m\u00e5nga situationer kan v\u00e4tgas till och med vara&nbsp;<strong>s\u00e4krare \u00e4n traditionella drivmedel<\/strong>. Om v\u00e4tgas ant\u00e4nds uppst\u00e5r ingen het aska och bara lite str\u00e5lningsv\u00e4rme, till skillnad fr\u00e5n bensin och diesel som kan sprida branden i v\u00e4tskeform.<\/p>\n\n\n\n<p>Tack vare&nbsp;<strong>v\u00e4tgasens h\u00f6ga energit\u00e4thet<\/strong>&nbsp;och&nbsp;<strong>br\u00e4nslecellens h\u00f6ga verkningsgrad<\/strong>&nbsp;kr\u00e4ver en br\u00e4nslecellsbil bara ungef\u00e4r&nbsp;<strong>en tredjedel s\u00e5 mycket energi<\/strong>&nbsp;som en bil med f\u00f6rbr\u00e4nningsmotor. Om en brand \u00e4nd\u00e5 skulle uppst\u00e5 blir d\u00e4rf\u00f6r v\u00e4rmeutvecklingen ocks\u00e5 betydligt l\u00e4gre.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-sakra-fordon-med-vatgas\">S\u00e4kra fordon med v\u00e4tgas<\/h3>\n\n\n\n<p>Br\u00e4nslecellsbilar genomg\u00e5r&nbsp;<strong>samma str\u00e4nga krocktester (NCAP)<\/strong>&nbsp;som alla andra bilar och uppfyller&nbsp;<strong>lika h\u00f6ga s\u00e4kerhetskrav<\/strong>. Risken f\u00f6r att en v\u00e4tgastank ska explodera \u00e4r mycket liten, och fordonen \u00e4r konstruerade med flera skyddssystem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tankarna inneh\u00e5ller\u00a0<strong>endast v\u00e4tgas<\/strong>, utan syre \u2013 d\u00e4rf\u00f6r kan ingen explosion ske inne i dem.<\/li>\n\n\n\n<li>Om en brand uppst\u00e5r\u00a0<strong>st\u00e4nger s\u00e4kerhetsventiler<\/strong>\u00a0automatiskt av v\u00e4tgasfl\u00f6det.<\/li>\n\n\n\n<li>Om temperaturen skulle forts\u00e4tta att stiga\u00a0<strong>sl\u00e4pper s\u00e4rskilda ventiler ut gasen kontrollerat<\/strong>, bort fr\u00e5n passagerarna.<\/li>\n\n\n\n<li><strong>Sensorer<\/strong>\u00a0i bilen uppt\u00e4cker eventuella l\u00e4ckor och\u00a0<strong>st\u00e4nger av systemet automatiskt<\/strong>.<\/li>\n\n\n\n<li>Vid ett l\u00e4ckage\u00a0<strong>stiger v\u00e4tgasen snabbt upp\u00e5t<\/strong>, vilket g\u00f6r att gasen ventileras bort i en s\u00e4ker riktning \u2013 till skillnad fr\u00e5n bensin eller diesel som kan spridas l\u00e4ngs marken.<\/li>\n<\/ul>\n\n\n\n<p>Tack vare dessa system \u00e4r&nbsp;<strong>br\u00e4nslecellsbilar minst lika s\u00e4kra som vanliga bensinbilar<\/strong>, och i m\u00e5nga fall \u00e4nnu s\u00e4krare.<\/p>\n\n\n\n\n\n<p><\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-234","fakta","type-fakta","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>V\u00e4tgas och s\u00e4kerhet - V\u00e4tgas Sverige<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"V\u00e4tgas och s\u00e4kerhet\" \/>\n<meta property=\"og:description\" content=\"S\u00e4ker hantering av v\u00e4tgas V\u00e4tgas anv\u00e4nds dagligen i m\u00e5nga delar av v\u00e5rt samh\u00e4lle \u2013 inom industri, transport, energi och forskning. 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