{"id":10205,"date":"2024-07-20T19:14:19","date_gmt":"2024-07-20T17:14:19","guid":{"rendered":"https:\/\/firebox.com.ua\/?p=10205"},"modified":"2024-08-10T12:03:33","modified_gmt":"2024-08-10T10:03:33","slug":"rasshiritelnyj-bak-opredelenie","status":"publish","type":"post","link":"https:\/\/firebox.com.ua\/cs\/rasshiritelnyj-bak-opredelenie\/","title":{"rendered":"Expanzn\u00ed n\u00e1dr\u017e (definice)"},"content":{"rendered":"

Expanzn\u00ed n\u00e1doba<\/strong> je za\u0159\u00edzen\u00ed ur\u010den\u00e9 ke kompenzaci zm\u011bn objemu chladic\u00ed kapaliny (nej\u010dast\u011bji vody) v topn\u00fdch, vodovodn\u00edch a klimatiza\u010dn\u00edch syst\u00e9mech p\u0159i zm\u011bn\u011b jej\u00ed teploty. Hlavn\u00ed funkc\u00ed expanzn\u00ed n\u00e1doby je absorbovat tlak, kter\u00fd vznik\u00e1 v syst\u00e9mu p\u0159i oh\u0159evu vody, co\u017e pom\u00e1h\u00e1 p\u0159edch\u00e1zet po\u0161kozen\u00ed potrub\u00ed a za\u0159\u00edzen\u00ed.<\/p>\n

Hlavn\u00ed sou\u010d\u00e1sti a princip \u010dinnosti expanzn\u00ed n\u00e1doby:<\/h3>\n
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  1. Kapacita<\/strong> - obvykle se vyr\u00e1b\u00ed z kovu nebo plastu a jedn\u00e1 se o uzav\u0159enou n\u00e1dobu, kter\u00e1 odol\u00e1 vnit\u0159n\u00edmu tlaku.<\/li>\n
  2. Membr\u00e1na nebo p\u0159ep\u00e1\u017eka<\/strong> \u2014 rozd\u011bluje n\u00e1dobu na dv\u011b \u010d\u00e1sti: m\u00e9dium (vodu nebo jin\u00e9 chladivo) a plyn (nej\u010dast\u011bji dus\u00edk), \u010d\u00edm\u017e vytv\u00e1\u0159\u00ed ut\u011bsn\u011bnou komoru pro kompenzaci objemov\u00fdch zm\u011bn.<\/li>\n
  3. Ventily a senzory<\/strong> \u2014 pou\u017e\u00edv\u00e1 se k \u0159\u00edzen\u00ed a udr\u017eov\u00e1n\u00ed optim\u00e1ln\u00edho tlaku v syst\u00e9mu. Ventily poskytuj\u00ed schopnost uvolnit p\u0159etlak a senzory v\u00e1s mohou upozornit na pot\u0159ebu dal\u0161\u00ed \u00fadr\u017eby nebo oprav.<\/li>\n<\/ol>\n

    Funkce expanzn\u00ed n\u00e1doby:<\/h3>\n
      \n
    • Kompenzace tlaku<\/strong> \u2014 kdy\u017e se chladic\u00ed kapalina zah\u0159eje, jej\u00ed objem se zv\u011bt\u0161\u00ed, co\u017e zp\u016fsob\u00ed zv\u00fd\u0161en\u00ed tlaku v syst\u00e9mu. Expanzn\u00ed n\u00e1doba absorbuje tento n\u00e1r\u016fst tlaku a chr\u00e1n\u00ed syst\u00e9m p\u0159ed po\u0161kozen\u00edm.<\/li>\n
    • Udr\u017eov\u00e1n\u00ed stability<\/strong> \u2014 zaji\u0161\u0165uje rovnom\u011brn\u00fd tlak v syst\u00e9mu, co\u017e p\u0159isp\u00edv\u00e1 k efektivn\u011bj\u0161\u00edmu a bezpe\u010dn\u011bj\u0161\u00edmu provozu za\u0159\u00edzen\u00ed.<\/li>\n
    • Zv\u00fd\u0161en\u00e1 \u017eivotnost syst\u00e9mu<\/strong> \u2014 chr\u00e1n\u00ed potrub\u00ed, kotle a dal\u0161\u00ed za\u0159\u00edzen\u00ed p\u0159ed nadm\u011brn\u00fdm zat\u00ed\u017een\u00edm a deformacemi a zvy\u0161uje jejich \u017eivotnost.<\/li>\n<\/ul>\n

      Pro kompenzaci tlaku jsou nad m\u00edstnost\u00ed s topn\u00fdm syst\u00e9mem instalov\u00e1ny expanzn\u00ed n\u00e1doby, v tomto p\u0159\u00edpad\u011b se mus\u00edte ujistit, \u017ee tlak vytvo\u0159en\u00fd vodn\u00edm sloupcem odpov\u00edd\u00e1 vypo\u010dten\u00fdm.<\/p>\n

      Pou\u017eit\u00ed expanzn\u00edch n\u00e1dr\u017e\u00ed:<\/h3>\n

      Expanzn\u00ed n\u00e1doby se pou\u017e\u00edvaj\u00ed v r\u016fzn\u00fdch syst\u00e9mech, kde je d\u016fle\u017eit\u00e1 regulace tlaku a objemu chladiva, jako jsou syst\u00e9my \u00fast\u0159edn\u00edho vyt\u00e1p\u011bn\u00ed, z\u00e1sobov\u00e1n\u00ed vodou v budov\u00e1ch, klimatiza\u010dn\u00ed syst\u00e9my a tak\u00e9 v pr\u016fmyslov\u00fdch procesech. Hraj\u00ed kl\u00ed\u010dovou roli p\u0159i zaji\u0161\u0165ov\u00e1n\u00ed spolehliv\u00e9ho a efektivn\u00edho provozu syst\u00e9m\u016f vyt\u00e1p\u011bn\u00ed a z\u00e1sobov\u00e1n\u00ed vodou, sni\u017eov\u00e1n\u00ed rizika havarijn\u00edch situac\u00ed a zlep\u0161ov\u00e1n\u00ed kvality slu\u017eeb u\u017eivatel\u016fm.<\/p>\n

      Expanzn\u00ed n\u00e1doba je typick\u00e1 pro syst\u00e9my s gravita\u010dn\u00edm oh\u0159evem, ale n\u011bkdy se pou\u017e\u00edv\u00e1 v topn\u00fdch syst\u00e9mech pro zapojen\u00ed na \u00farovni topn\u00e9ho syst\u00e9mu h\u0159ebeny<\/a>. Kdy\u017e je izolov\u00e1n, bude plnit \u00fakoly tepeln\u00fd akumul\u00e1tor<\/a>, co\u017e je d\u016fle\u017eit\u00e9 pro syst\u00e9my s tradi\u010dn\u00edmi kotle na tuh\u00e1 paliva<\/a> pro akumulaci Term\u00e1ln\u00ed energie<\/a> a jeho postupn\u00e1 spot\u0159eba. Pokud je p\u0159\u00edtomen v n\u00e1dr\u017ei Tepeln\u00e9 v\u00fdm\u011bn\u00edky<\/a>, z\u00e1sobn\u00edk bude plnit \u00fakoly sekund\u00e1rn\u00edho topn\u00e9ho kotle. Na syst\u00e9mech s kotel na pelety<\/a>, pou\u017eit\u00ed vyrovn\u00e1vac\u00ed n\u00e1dr\u017ee pop\u0159<\/p>\n

       <\/p>\n