Apr 19, 2021 · 38-Calculate the height of the Chimney required to produce a draught equivalent to 20 mmwc if the temperature of the FG is 180 deg c and ambient temperature is 25 Deg C.And air required for complete combustion per kg of fuel is 7 kg. We have formula, Hw = 353 X H (1/Ta – 1/Tg (Ma+ 1)/Ma) Ta = 273 + 25 = 298 K.

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Get A QuoteAug 06, 2018 · Now you can calculate the chimney draft: Considering that 10 kg of fuel is burned per hour, we calculate the power as follows: Q = 10 * 3300 * 1.16 = 38.28 kW. The thermal coefficient for the pipe being calculated is 0.34. From here you can calculate the heat loss per meter - 0.34: 0.196 = …

Get A QuoteChimney Types. In large boiler rooms, natural draft cannot provide full combustion, here it is forced to create using smoke pumps. The combustion process and the discharge of its products into the atmosphere should bring as little harm to the environment and not cause emergency situations as a result of pressure in the furnaces exceeding the norm.

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Get A Quotethe ratio of the diameter of the chimney to the section of the branch pipe of the gas boiler, which is checked when buying a boiler and chimney; The height of the chimney must be greater than the top of the roof - to ensure traction in any direction of the wind;

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