{"id":10625,"date":"2024-08-15T07:30:13","date_gmt":"2024-08-15T05:30:13","guid":{"rendered":"https:\/\/firebox.com.ua\/?p=10625"},"modified":"2024-08-15T07:30:13","modified_gmt":"2024-08-15T05:30:13","slug":"zakrytaya-sistema-teplosnabzheniya-opredelenie","status":"publish","type":"post","link":"https:\/\/firebox.com.ua\/cs\/zakrytaya-sistema-teplosnabzheniya-opredelenie\/","title":{"rendered":"Uzav\u0159en\u00fd topn\u00fd syst\u00e9m (definice)"},"content":{"rendered":"

Uzav\u0159en\u00fd topn\u00fd syst\u00e9m<\/strong> je syst\u00e9m, ve kter\u00e9m chladic\u00ed kapalina<\/a> (voda nebo jin\u00fd pracovn\u00ed prost\u0159edek) cirkuluje v uzav\u0159en\u00e9m okruhu bez p\u0159\u00edm\u00e9ho kontaktu s atmosf\u00e9rou. V takov\u00e9m syst\u00e9mu se voda oh\u0159\u00edv\u00e1 v kotli nebo jin\u00e9m gener\u00e1toru tepla a pot\u00e9 se pohybuje potrub\u00edm p\u0159es radi\u00e1tory, vyh\u0159\u00edvan\u00e9 podlahy nebo jin\u00e1 topn\u00e1 za\u0159\u00edzen\u00ed a uvol\u0148uje teplo do prostor. Pot\u00e9 se chladic\u00ed kapalina vrac\u00ed zp\u011bt do gener\u00e1toru tepla k op\u011btovn\u00e9mu oh\u0159evu.<\/p>\n

Uzav\u0159en\u00fd topn\u00fd syst\u00e9m: vlastnosti<\/h3>\n
    \n
  1. T\u011bsnost<\/strong>: Uzav\u0159en\u00fd topn\u00fd syst\u00e9m se vyzna\u010duje \u00faplnou izolac\u00ed chladic\u00ed kapaliny od vn\u011bj\u0161\u00edho prost\u0159ed\u00ed bez kontaktu se vzduchem. T\u00edm se sni\u017euje riziko koroze v potrub\u00ed a radi\u00e1torech a minimalizuje se odpa\u0159ov\u00e1n\u00ed vody.<\/li>\n
  2. Tlak<\/strong>: Uzav\u0159en\u00fd topn\u00fd syst\u00e9m vy\u017eaduje regulaci tlaku, kter\u00e1 je \u0159\u00edzena pomoc\u00ed expanzn\u00ed n\u00e1doby a reduk\u010dn\u00edho ventilu. Expanzn\u00ed n\u00e1doba kompenzuje zm\u011bny objemu chladic\u00ed kapaliny b\u011bhem oh\u0159evu a chlazen\u00ed, \u010d\u00edm\u017e zabra\u0148uje nadm\u011brn\u00e9mu tlaku a net\u011bsnostem.<\/li>\n
  3. Bezpe\u010dnost<\/strong>: D\u00edky sv\u00e9mu t\u011bsn\u011bn\u00ed a kontrole tlaku jsou uzav\u0159en\u00e9 syst\u00e9my bezpe\u010dn\u011bj\u0161\u00ed a odoln\u011bj\u0161\u00ed v\u016f\u010di teplotn\u00edm zm\u011bn\u00e1m. Mohou tak\u00e9 pou\u017e\u00edvat nemrznouc\u00ed kapaliny nebo jin\u00e9 specializovan\u00e9 chladic\u00ed kapaliny, kter\u00e9 se nevypa\u0159uj\u00ed a neztr\u00e1cej\u00ed sv\u00e9 vlastnosti p\u0159i vysok\u00fdch teplot\u00e1ch.<\/li>\n<\/ol>\n

    v\u00fdhody:<\/h3>\n
      \n
    • Nen\u00ed t\u0159eba p\u0159id\u00e1vat vodu<\/strong>: Proto\u017ee je syst\u00e9m ut\u011bsn\u011bn\u00fd, chladic\u00ed kapalina se nevypa\u0159uje a jej\u00ed hladina z\u016fst\u00e1v\u00e1 stabiln\u00ed, co\u017e eliminuje pot\u0159ebu pravideln\u00e9ho p\u0159id\u00e1v\u00e1n\u00ed vody.<\/li>\n
    • \u00da\u010dinnost<\/strong>: Uzav\u0159en\u00fd syst\u00e9m umo\u017e\u0148uje lep\u0161\u00ed kontrolu teploty a tlaku, co\u017e zlep\u0161uje \u00fa\u010dinnost oh\u0159evu. Tak\u00e9 kv\u016fli nedostatku kontaktu se vzduchem se sni\u017euje riziko koroze, co\u017e prodlu\u017euje \u017eivotnost za\u0159\u00edzen\u00ed.<\/li>\n
    • Hospod\u00e1rn\u00fd<\/strong>: Provoz uzav\u0159en\u00fdch syst\u00e9m\u016f m\u016f\u017ee b\u00fdt ekonomi\u010dt\u011bj\u0161\u00ed, proto\u017ee chladic\u00ed kapalina cirkuluje s minim\u00e1ln\u00edmi tepeln\u00fdmi ztr\u00e1tami.<\/li>\n<\/ul>\n

      Instalace uzav\u0159en\u00e9ho syst\u00e9mu:<\/h3>\n
        \n
      1. Expanzn\u00ed n\u00e1doba<\/strong>: Je instalov\u00e1na membr\u00e1nov\u00e1 expanzn\u00ed n\u00e1doba, kter\u00e1 kompenzuje expanzi vody p\u0159i zah\u0159\u00edv\u00e1n\u00ed. B\u00fdv\u00e1 um\u00edst\u011bn v koteln\u011b nebo na vratn\u00e9m okruhu syst\u00e9mu.<\/li>\n
      2. Cirkula\u010dn\u00ed \u010derpadlo<\/strong>: Uzav\u0159en\u00fd syst\u00e9m vy\u017eaduje instalaci ob\u011bhov\u00e9ho \u010derpadla k zaji\u0161t\u011bn\u00ed pohybu chladiva pod\u00e9l okruhu, proto\u017ee p\u0159irozen\u00e1 cirkulace m\u016f\u017ee b\u00fdt nedostate\u010dn\u00e1 kv\u016fli nedostatku kontaktu s atmosf\u00e9rou.<\/li>\n
      3. Uzav\u00edrac\u00ed ventily<\/strong>: V syst\u00e9mu jsou instalov\u00e1ny zp\u011btn\u00e9 ventily, pojistn\u00e9 ventily a dal\u0161\u00ed prvky pro udr\u017een\u00ed po\u017eadovan\u00e9ho tlaku a zabr\u00e1n\u011bn\u00ed zp\u011btn\u00e9mu toku vody.<\/li>\n
      4. V\u011btrac\u00ed otvory<\/strong>: Pro odvod vzduchu ze syst\u00e9mu jsou instalov\u00e1ny automatick\u00e9 v\u011btrac\u00ed otvory, kter\u00e9 zabra\u0148uj\u00ed vytv\u00e1\u0159en\u00ed vzduchov\u00fdch blok\u016f a zaji\u0161\u0165uj\u00ed stabiln\u00ed provoz syst\u00e9mu.<\/li>\n<\/ol>\n

        D\u016fle\u017eit\u00e9!<\/strong> Uzav\u0159en\u00fd syst\u00e9m z\u00e1sobov\u00e1n\u00ed teplem z\u00e1vis\u00ed na dostupnosti elekt\u0159iny pro nap\u00e1jen\u00ed za\u0159\u00edzen\u00ed p\u0159i jeho nasazen\u00ed je nutn\u00e9 instalovat alternativn\u00ed nap\u00e1jec\u00ed za\u0159\u00edzen\u00ed.<\/p>\n

        Rozd\u00edl od otev\u0159en\u00e9ho syst\u00e9mu:<\/h3>\n
          \n
        1. Kontakt s atmosf\u00e9rou<\/strong>: V otev\u0159en\u00e9m topn\u00e9m syst\u00e9mu cirkuluje voda v otev\u0159en\u00e9m okruhu, kter\u00fd je v kontaktu s atmosf\u00e9rou, co\u017e vede k odpa\u0159ov\u00e1n\u00ed chladic\u00ed kapaliny a nutnosti pravideln\u00e9ho dopl\u0148ov\u00e1n\u00ed.<\/li>\n
        2. Otev\u0159ete expanzn\u00ed n\u00e1dobu<\/strong>: Otev\u0159en\u00e9 syst\u00e9my pou\u017e\u00edvaj\u00ed otev\u0159enou expanzn\u00ed n\u00e1dobu, kter\u00e1 je instalov\u00e1na v nejvy\u0161\u0161\u00edm bod\u011b syst\u00e9mu. To pom\u00e1h\u00e1 kompenzovat zm\u011bny objemu vody, ale tak\u00e9 zvy\u0161uje riziko vstupu vzduchu do syst\u00e9mu, co\u017e m\u016f\u017ee v\u00e9st ke korozi.<\/li>\n
        3. Men\u0161\u00ed t\u011bsnost<\/strong>: Otev\u0159en\u00e9 syst\u00e9my jsou m\u00e9n\u011b vzduchot\u011bsn\u00e9, co\u017e m\u016f\u017ee v\u00e9st ke zv\u00fd\u0161en\u00e9mu riziku net\u011bsnost\u00ed a sn\u00ed\u017een\u00ed \u00fa\u010dinnosti vyt\u00e1p\u011bn\u00ed.<\/li>\n
        4. Rozd\u00edly v instalaci<\/strong>: Instalace uzav\u0159en\u00e9ho syst\u00e9mu vy\u017eaduje instalaci p\u0159\u00eddavn\u00e9ho za\u0159\u00edzen\u00ed, jako jsou ob\u011bhov\u00e1 \u010derpadla a membr\u00e1nov\u00e9 expanzn\u00ed n\u00e1doby, co\u017e je ve srovn\u00e1n\u00ed s otev\u0159en\u00fdm syst\u00e9mem slo\u017eit\u011bj\u0161\u00ed a dra\u017e\u0161\u00ed. Uzav\u0159en\u00fd syst\u00e9m je v\u0161ak efektivn\u011bj\u0161\u00ed a odoln\u011bj\u0161\u00ed, a proto je preferovanou volbou pro modern\u00ed topn\u00e9 syst\u00e9my.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"

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