{"id":52077,"date":"2026-01-26T12:58:16","date_gmt":"2026-01-26T11:58:16","guid":{"rendered":"https:\/\/greenchemstaging.maarevenonline.nl\/?p=52077"},"modified":"2026-01-26T13:06:59","modified_gmt":"2026-01-26T12:06:59","slug":"adblue-a-zima-prevence-a-reseni-zamrznuti","status":"publish","type":"post","link":"https:\/\/greenchemstaging.maarevenonline.nl\/cs\/adblue-a-zima-prevence-a-reseni-zamrznuti\/","title":{"rendered":"AdBlue\u00ae a zima: prevence a \u0159e\u0161en\u00ed zamrznut\u00ed"},"content":{"rendered":"\n<p><strong>AdBlue\u00ae <\/strong>, kl\u00ed\u010dov\u00fd prvek pro provoz syst\u00e9m\u016f selektivn\u00ed katalytick\u00e9 redukce (SCR) ve vzn\u011btov\u00fdch motorech, je nezbytn\u00fd pro sni\u017eov\u00e1n\u00ed emis\u00ed oxid\u016f dus\u00edku (NOx). Jeho povaha na vodn\u00ed b\u00e1zi v\u0161ak s p\u0159\u00edchodem chladn\u00e9ho obdob\u00ed vyvol\u00e1v\u00e1 opakovan\u00e9 obavy: riziko <strong>zamrznut\u00ed <\/strong>.<\/p>\n\n\n\n<p>Pochopen\u00ed slo\u017een\u00ed t\u00e9to p\u0159\u00edsady, jej\u00edho bodu tuhnut\u00ed a preventivn\u00edch opat\u0159en\u00ed je nezbytn\u00e9 k zaji\u0161t\u011bn\u00ed soustavn\u00e9 \u00fa\u010dinnosti syst\u00e9mu SCR a pln\u00e9ho provozu vozidla, \u010d\u00edm\u017e se zabr\u00e1n\u00ed n\u00e1kladn\u00fdm prostoj\u016fm.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img alt=\"\" fetchpriority=\"high\" decoding=\"async\" width=\"963\" height=\"642\" src=\"https:\/\/it.greenchem-adblue.com\/wp-content\/uploads\/2025\/12\/image.png\" alt=\"\" class=\"wp-image-51839\" srcset=\"https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/image.png 963w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/image-300x200.png 300w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/image-768x512.png 768w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/image-80x53.png 80w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/image-138x92.png 138w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/image-258x172.png 258w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/image-516x344.png 516w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/image-640x427.png 640w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/image-900x600.png 900w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/image-540x360.png 540w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/image-200x133.png 200w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/image-400x267.png 400w\" sizes=\"(max-width: 963px) 100vw, 963px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Bod tuhnut\u00ed AdBlue\u00ae<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>AdBlue\u00ae se skl\u00e1d\u00e1 z roztoku <strong>vysoce \u010dist\u00e9 mo\u010doviny <\/strong>(32,5 %) a <strong>demineralizovan\u00e9 vody <\/strong>(67,5 %). Tato p\u0159esn\u00e1 koncentrace je definov\u00e1na mezin\u00e1rodn\u00ed normou ISO 22241 a je zvolena nejen pro maximalizaci \u00fa\u010dinnosti procesu sni\u017eov\u00e1n\u00ed emis\u00ed NOx, ale tak\u00e9 pro dosa\u017een\u00ed co nejni\u017e\u0161\u00edho bodu tuhnut\u00ed sm\u011bsi.<\/p>\n\n\n\n<p>Kritick\u00fd bod je kolem <strong>-11 \u00b0C <\/strong>. Pod touto hranic\u00ed roztok za\u010d\u00edn\u00e1 tuhnout a m\u011bn\u00ed se na zrnitou, visk\u00f3zn\u00ed sm\u011bs, \u010dasto naz\u00fdvanou \u201epol\u00e1rn\u00ed ka\u0161e\u201c. D\u016fle\u017eit\u00e9 je, \u017ee a\u010dkoli zmrznut\u00ed neohro\u017euje kvalitu AdBlue\u00ae, po rozmrazen\u00ed by se aditivum mohlo po\u0161kodit, pokud by bylo opakovan\u011b vystaveno extr\u00e9mn\u011b n\u00edzk\u00fdm teplot\u00e1m.<\/p>\n\n\n\n<p><strong>D\u016fsledky po\u0161kozen\u00ed syst\u00e9mu<\/strong><\/p>\n\n\n\n<p>Kdy\u017e AdBlue\u00ae krystalizuje, m\u016f\u017ee zv\u011bt\u0161en\u00ed objemu (~7 %) zp\u016fsobit struktur\u00e1ln\u00ed probl\u00e9my v nevhodn\u00fdch n\u00e1dob\u00e1ch. Nejv\u011bt\u0161\u00ed riziko je v\u0161ak provozn\u00ed povahy:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Zablokov\u00e1n\u00ed syst\u00e9mu SCR <\/strong>: Krystalizace v n\u00e1dr\u017ei a p\u0159\u00edvodn\u00edm potrub\u00ed br\u00e1n\u00ed vst\u0159ikov\u00e1n\u00ed roztoku, \u010d\u00edm\u017e \u00fa\u010dinn\u011b blokuje syst\u00e9m regulace emis\u00ed.<\/li>\n\n\n\n<li><strong>Aktivace re\u017eimu Limp (sn\u00ed\u017een\u00fd v\u00fdkon) <\/strong>: Modern\u00ed vozidla okam\u017eit\u011b detekuj\u00ed anom\u00e1lii. Palubn\u00ed elektronika aktivuje bezpe\u010dnostn\u00ed re\u017eim (\u201eLimp Mode\u201c), kter\u00fd drasticky omezuje v\u00fdkon a rychlost vozidla.<\/li>\n\n\n\n<li><strong>Varov\u00e1n\u00ed a odpo\u010d\u00edt\u00e1v\u00e1n\u00ed <\/strong>: na palubn\u00ed desce modern\u00edch vozidel se rozsv\u00edt\u00ed v\u00fdstra\u017en\u00e9 kontrolky (porucha syst\u00e9mu AdBlue\u00ae). Pokud neexistuje \u017e\u00e1dn\u00e9 \u0159e\u0161en\u00ed, vozidlo m\u016f\u017ee aktivovat odpo\u010d\u00edt\u00e1v\u00e1n\u00ed, kter\u00e9 po resetov\u00e1n\u00ed zabr\u00e1n\u00ed op\u011btovn\u00e9mu nastartov\u00e1n\u00ed motoru.<\/li>\n\n\n\n<li><strong>P\u0159\u00edznaky poruchy <\/strong>: Motor, kter\u00fd se t\u0159ese p\u0159i volnob\u011bhu, v\u00e1h\u00e1 p\u0159i akceleraci nebo z v\u00fdfuku vych\u00e1z\u00ed \u010dern\u00fd kou\u0159, jsou zn\u00e1mkami toho, \u017ee syst\u00e9m SCR nefunguje kv\u016fli ucpan\u00e9mu syst\u00e9mu AdBlue\u00ae.<\/li>\n<\/ol>\n\n\n\n<p><strong>Prevence a \u0159e\u0161en\u00ed: udr\u017een\u00ed efektivity<\/strong><\/p>\n\n\n\n<p>Vozidla nov\u00e9 generace jsou vybavena <strong>topn\u00fdmi t\u011blesy integrovan\u00fdmi <\/strong>do n\u00e1dr\u017ee a p\u0159\u00edvodn\u00edho potrub\u00ed, kter\u00e1 jsou ur\u010dena k rozmrazov\u00e1n\u00ed roztoku a obnoven\u00ed jeho kapaln\u00e9ho stavu. V extr\u00e9mn\u011b chladn\u00fdch podm\u00ednk\u00e1ch nebo v p\u0159\u00edpad\u011b poruchy t\u011bchto topn\u00fdch t\u011bles je v\u0161ak nezbytn\u00e9 uch\u00fdlit se k preventivn\u00edm a n\u00e1pravn\u00fdm \u0159e\u0161en\u00edm.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/it.greenchem-adblue.com\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-scaled.jpg\" alt=\"Adblue\u00ae\u00a0e inverno: prevenzione e soluzioni per il congelamento\u00a0\" class=\"wp-image-51894\" srcset=\"https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-scaled.jpg 2560w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-300x200.jpg 300w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-1024x683.jpg 1024w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-768x512.jpg 768w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-1536x1024.jpg 1536w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-2048x1365.jpg 2048w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-80x53.jpg 80w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-138x92.jpg 138w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-258x172.jpg 258w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-516x344.jpg 516w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-640x427.jpg 640w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-900x600.jpg 900w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-1032x688.jpg 1032w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-540x360.jpg 540w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-1080x720.jpg 1080w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-200x133.jpg 200w, https:\/\/greenchemstaging.maarevenonline.nl\/wp-content\/uploads\/2025\/12\/shutterstock_2371145979-400x267.jpg 400w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n<\/div>\n\n\n<p><strong>1. Spr\u00e1vn\u00e9 rozmrazov\u00e1n\u00ed<\/strong><\/p>\n\n\n\n<p>Pokud AdBlue\u00ae zamrzne:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>P\u0159irozen\u00e9 rozmrazov\u00e1n\u00ed <\/strong>: Nejbezpe\u010dn\u011bj\u0161\u00edm \u0159e\u0161en\u00edm je zaparkovat vozidlo ve <strong>vyt\u00e1p\u011bn\u00e9m prost\u0159ed\u00ed <\/strong>(nap\u0159\u00edklad v gar\u00e1\u017ei nebo k\u016fln\u011b) a po\u010dkat, a\u017e se AdBlue\u00ae p\u0159irozen\u011b vr\u00e1t\u00ed do kapaln\u00e9ho stavu.<\/li>\n\n\n\n<li><strong>Zabra\u0148te p\u0159\u00edm\u00e9mu teplu <\/strong>: Nepou\u017e\u00edvejte otev\u0159en\u00fd ohe\u0148, horkovzdu\u0161n\u00e9 pistole ani jin\u00e9 um\u011bl\u00e9 zdroje tepla k urychlen\u00ed procesu, proto\u017ee by to mohlo po\u0161kodit roztok v n\u00e1dr\u017ei nebo jeho sou\u010d\u00e1sti.<\/li>\n<\/ul>\n\n\n\n<p>Je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee AdBlue\u00ae po rozmrazen\u00ed a vr\u00e1cen\u00ed do kapaln\u00e9ho stavu neztr\u00e1c\u00ed kvalitu ani koncentraci, pokud nebyl kontaminov\u00e1n nebo opakovan\u011b vystaven extr\u00e9mn\u011b n\u00edzk\u00fdm teplot\u00e1m.<\/p>\n\n\n\n<p><strong>2. Konzervace a skladov\u00e1n\u00ed<\/strong><\/p>\n\n\n\n<p>Pro profesion\u00e1ly, kte\u0159\u00ed skladuj\u00ed velk\u00e9 mno\u017estv\u00ed AdBlue\u00ae:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chr\u00e1n\u011bn\u00e9 prost\u0159ed\u00ed <\/strong>: P\u0159\u00edsadu v\u017edy skladujte v prost\u0159ed\u00ed s teplotou mezi -5 \u00b0C a +25 \u00b0C.<\/li>\n\n\n\n<li><strong>\u010c\u00e1ste\u010dn\u00e9 napln\u011bn\u00ed <\/strong>: V p\u0159\u00edpad\u011b extr\u00e9mn\u00edch teplot se vyvarujte \u00fapln\u00e9ho napln\u011bn\u00ed skladovac\u00edch n\u00e1dob, aby se v p\u0159\u00edpad\u011b zamrznut\u00ed umo\u017enila objemov\u00e1 rozta\u017enost o 7 %.<\/li>\n<\/ul>\n\n\n\n<p>Spr\u00e1vn\u00e9 nakl\u00e1d\u00e1n\u00ed s AdBlue\u00ae b\u011bhem zimn\u00edch m\u011bs\u00edc\u016f je kl\u00ed\u010dov\u00e9 pro udr\u017een\u00ed \u00fa\u010dinnosti vozidel vybaven\u00fdch syst\u00e9my SCR. Vzhledem k riziku zamrznut\u00ed aditiva p\u0159i teplot\u00e1ch pod -11 \u00b0C je nezbytn\u00e9 p\u0159ijmout preventivn\u00ed opat\u0159en\u00ed, jako je pou\u017e\u00edv\u00e1n\u00ed palubn\u00edch topen\u00ed. Spr\u00e1vn\u00e9 skladov\u00e1n\u00ed a konzervace AdBlue\u00ae v chr\u00e1n\u011bn\u00e9m prost\u0159ed\u00ed a p\u0159i vhodn\u00fdch teplot\u00e1ch nav\u00edc pom\u00e1h\u00e1 p\u0159edch\u00e1zet po\u0161kozen\u00ed n\u00e1dr\u017e\u00ed a sou\u010d\u00e1st\u00ed syst\u00e9mu. Dodr\u017eov\u00e1n\u00edm t\u011bchto postup\u016f si odborn\u00edci v oboru a majitel\u00e9 vozidel s dieselov\u00fdm motorem mohou zajistit, aby jejich vozidla byla v\u017edy provozuschopn\u00e1, minimalizovat n\u00e1klady na \u00fadr\u017ebu a zajistit soulad s environment\u00e1ln\u00edmi p\u0159edpisy.<strong><br><\/strong><\/p>\n\n\n\n<p><strong>\u010casto kladen\u00e9 ot\u00e1zky<\/strong><\/p>\n\n\n\n<p><strong>Po\u0161koz\u00ed se motor, pokud AdBlue\u00ae zamrzne?<\/strong><br>Ne. Zamrznut\u00ed AdBlue\u00ae nezp\u016fsobuje p\u0159\u00edm\u00e9 ani trval\u00e9 po\u0161kozen\u00ed motoru. Jedinou zablokovanou sou\u010d\u00e1st\u00ed je syst\u00e9m dodate\u010dn\u00e9 \u00fapravy v\u00fdfukov\u00fdch plyn\u016f SCR. Po rozmrazen\u00ed syst\u00e9m obnov\u00ed norm\u00e1ln\u00ed provoz.<\/p>\n\n\n\n<p><strong>P\u0159i jak\u00e9 teplot\u011b AdBlue\u00ae zamrz\u00e1?<\/strong><br>AdBlue\u00ae zamrz\u00e1 p\u0159i teplot\u011b okolo -11 \u00b0C. Zimn\u00ed teploty, zejm\u00e9na v noci, mohou pravideln\u011b klesnout pod tuto hranici.<\/p>\n\n\n\n<p><strong>Mohu jezdit se zamrzl\u00fdm AdBlue\u00ae?<\/strong><br>Pokud AdBlue\u00ae zamrzne, syst\u00e9m SCR nem\u016f\u017ee spr\u00e1vn\u011b fungovat. V modern\u00edch vozidlech m\u016f\u017ee elektronika aktivovat bezpe\u010dnostn\u00ed re\u017eim (Limp Mode), kter\u00fd do\u010dasn\u011b omez\u00ed v\u00fdkon a rychlost vozidla, aby chr\u00e1nil motor a emisn\u00ed syst\u00e9m. Schopnost znovu nastartovat motor z\u00e1vis\u00ed na modelu: v n\u011bkter\u00fdch p\u0159\u00edpadech vozidlo pokra\u010duje v j\u00edzd\u011b, zat\u00edmco v jin\u00fdch m\u016f\u017ee b\u00fdt p\u0159ed op\u011btovn\u00fdm nastartov\u00e1n\u00edm nutn\u00e9, aby AdBlue\u00ae rozmrzlo.<\/p>\n\n\n\n<p><strong>Jak dlouho trv\u00e1 rozmrazen\u00ed AdBlue\u00ae?<\/strong><br>Z\u00e1le\u017e\u00ed na podm\u00ednk\u00e1ch: ve vyt\u00e1p\u011bn\u00e9 gar\u00e1\u017ei mohou sta\u010dit 2\u20134 hodiny. Venku na slunci to m\u016f\u017ee trvat 4\u20138 hodin. Pokud je vozidlo vybaveno funk\u010dn\u00edm oh\u0159evem n\u00e1dr\u017ee, doba se v\u00fdrazn\u011b zkr\u00e1t\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>AdBlue\u00ae , kl\u00ed\u010dov\u00fd prvek pro provoz syst\u00e9m\u016f selektivn\u00ed katalytick\u00e9 redukce (SCR) ve vzn\u011btov\u00fdch motorech, je nezbytn\u00fd pro sni\u017eov\u00e1n\u00ed emis\u00ed oxid\u016f dus\u00edku (NOx). Jeho povaha na vodn\u00ed b\u00e1zi v\u0161ak s p\u0159\u00edchodem chladn\u00e9ho obdob\u00ed vyvol\u00e1v\u00e1 opakovan\u00e9 obavy: riziko zamrznut\u00ed . Pochopen\u00ed slo\u017een\u00ed t\u00e9to p\u0159\u00edsady, jej\u00edho bodu tuhnut\u00ed a preventivn\u00edch opat\u0159en\u00ed je nezbytn\u00e9 k zaji\u0161t\u011bn\u00ed soustavn\u00e9 \u00fa\u010dinnosti syst\u00e9mu &hellip; <a href=\"https:\/\/greenchemstaging.maarevenonline.nl\/cs\/adblue-a-zima-prevence-a-reseni-zamrznuti\/\">\u010dt\u011bte v\u00edce<\/a><\/p>\n","protected":false},"author":90,"featured_media":51845,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"AdBlue\u00ae: P\u0159edejd\u011bte zamrznut\u00ed a udr\u017eujte \u00fa\u010dinnost SCR","_seopress_titles_desc":"Pochopte, jak zabr\u00e1nit zamrznut\u00ed AdBlue\u00ae a zajistit tak efektivitu syst\u00e9m\u016f SCR. Vyhn\u011bte se prostoj\u016fm a probl\u00e9m\u016fm d\u00edky prevenci a spr\u00e1vn\u00e9 \u00fadr\u017eb\u011b.","_seopress_robots_index":"","footnotes":""},"categories":[68,1464],"tags":[],"class_list":["post-52077","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-adblue-cs","category-greenchem-cs"],"acf":[],"_links":{"self":[{"href":"https:\/\/greenchemstaging.maarevenonline.nl\/cs\/wp-json\/wp\/v2\/posts\/52077","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/greenchemstaging.maarevenonline.nl\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/greenchemstaging.maarevenonline.nl\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/greenchemstaging.maarevenonline.nl\/cs\/wp-json\/wp\/v2\/users\/90"}],"replies":[{"embeddable":true,"href":"https:\/\/greenchemstaging.maarevenonline.nl\/cs\/wp-json\/wp\/v2\/comments?post=52077"}],"version-history":[{"count":3,"href":"https:\/\/greenchemstaging.maarevenonline.nl\/cs\/wp-json\/wp\/v2\/posts\/52077\/revisions"}],"predecessor-version":[{"id":52082,"href":"https:\/\/greenchemstaging.maarevenonline.nl\/cs\/wp-json\/wp\/v2\/posts\/52077\/revisions\/52082"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/greenchemstaging.maarevenonline.nl\/cs\/wp-json\/wp\/v2\/media\/51845"}],"wp:attachment":[{"href":"https:\/\/greenchemstaging.maarevenonline.nl\/cs\/wp-json\/wp\/v2\/media?parent=52077"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/greenchemstaging.maarevenonline.nl\/cs\/wp-json\/wp\/v2\/categories?post=52077"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/greenchemstaging.maarevenonline.nl\/cs\/wp-json\/wp\/v2\/tags?post=52077"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}