http___www.kotlovi.hr_proizvodi_vrelouljni_kotlovi_default.aspx_1.xml
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Hot oil boilers are systems that use hot thermal oil for transfer of heat energy (instead of water or steam). Hot oil boilers, for technically demanding application with high temperatures of mediums, have significant advantages comparing to classic steam and hot-water boilers. Thermal oil as a medium for transfer of heat energy reaches very high working temperatures up to 300°C with low working pressures up to 6 bars, hot-oil plant has small heat losses, and in the winter period there is no possibility of freezing of system. Hot oil boilers are made in block version, have small dimensions and are suitable for block or container boiler stations. ĐĐ Kotlovi produces hot oil boilers in wide range of capacity from 75kW up to 5MW.
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Vrelouljni kotlovi koriste vrelo termičko ulje za prijenos toplinske energije (umjesto vode ili pare). Vrelouljni kotlovi za tehnički zahtjevniju primjenu s visokim temperaturama medija imaju značajne prednosti u odnosu na klasične parne i vrelovodne kotlove. Termičko ulje kao medij za prijenos toplinske energije ostvaruje vrlo visoke radne temperature do 300°C uz niske radne tlakove do 6 bara. Vrelouljno postrojenje ima male toplinske gubitke, a u zimskom periodu ne postoji mogućnost zamrzavanja sustava. Vrelouljni kotlovi su blok izvedbe, malih gabarita i pogodni za blok ili kontejner kotlovnice. ĐĐ Kotlovi proizvode vrelouljne kotlove kapaciteta 75kW do 5MW.