Working design (RP) Overhaul of steam boiler DE-25-14GM

Added: 26.05.2015
Size: 739 KB
Downloads: 5

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Description

The DE-25-14 GM boiler of the Biysk boiler plant is designed to generate saturated steam with a temperature of 194 ° C with an absolute pressure of 13 kgf/cm2, steam efficiency of 25 t/h and combustion of gaseous (main) and liquid (reserve) fuel. Heat generator consists of upper and lower drums of equal length, which are connected to each other by corridor-arranged vertical bent pipes and form respectively the first and second gas ducts of convective heating surface. The diameters of the upper and lower drums are 1000 mm, the distance between the drums along the axes is 2750 mm. The width of the furnace chamber along the axes of the screen pipes is 1790 mm, the average height of the furnace chamber is 2400 mm. Heating surface: screen (radiation) - 60.5 m2; convective - 209.8 m2. The volume of the combustion chamber is 29 m3. Boiler volume: - water - 16.5 m3; - steam - 2.61 m3; - feed - 1.422 m3 .