HOT-WATER BOILER Russian patent published in 2001 - IPC

FIELD: hot-water boilers; applicable in industrial boiler houses and boiler houses of housing municipal facilities. SUBSTANCE: boiler has furnace, supplying and discharging headers, radiation and convection panels containing heating tubes with plugs at their ends. Heating tubes are combined into modules and connected in parallel to supplying and discharging headers. Boiler also has supplying tubes connecting heating tubes. Heating tubes within module, in spaces between supplying and discharging tubes, are connected with one another successively, at the top and bottom by alternating supplying and adapting tubes. In this case, area of flow section of adapting tubes does not exceed 50% of that of supplying tubes. EFFECT: higher efficiency and operating reliability due to improved design of boiler. 5 cl, 5 dwg