Boiler Chimney Design Calculation

Boilers or furnaces equipped with induced draught fans should have a chimney efflux velocity of not less than 8 m sec at full load for boilers rated up to 13 600 kg hour increasing to a maximum of 15 m sec at full load for boilers rated at 204 000 kg hour.

Boiler chimney design calculation.

Thermodyne chimney draft calculator. The design of the steel stack or chimney is important from the diesel genset performance as well as air pollution point of view. Chimney vent capacity chart btu h and kw. Calculation of burner heat duty and fuel firing rate.

View stack sizeing xls from chemistry 344 at nanjing university. Al moiz industries ltd project. A q v 3 where. Multiplying enthalpy with the rated steam generation obtain the total heat value of steam at rated steaming boiler heat duty boiler heat duty is expressed as mkcal hr or mw or hp.

Height of chimney draft developed by chimney is directly proportional to the height of the industrial chimney so height the chimney more will be the draft. 2 x 80tph 65 barg 480 0c client. While doing the flue gas steel stack design calculations you should consider the design formulas and local pollution control norms. Design and construction of steel chimney code of practice part t mechanical aspect first revision 1 scope 4 terminology 4 2 blaakiagoffplate an imperforate plate fitted immediately beneath the inlet of a chimney to prevent the waste gases reaching the lowerportion of the chimney.

Altitude refer to table 2 for appliance outlet temperatures. M mean chimney temperature ºf 460 refer to table 1 for barometric pressure vs. Boiler stack diameter project title. T theoretical draft inches of water b barometric pressure inches of mercury h effective height of chimney feet t.

O outside temperature ºf 460 t. 4 3 boller efticiedcy the ratio of heat used in the boiler to. Design calculation sheet for. Required chimney area can be calculated as.

Using desired steam parameters calculate the enthalpy of steam to be generated. Chimney height is measured in m. Figure 1 quantity unit dia of stack d 6 00 m dia. 5 0 design calculations load data 1 00 281 53214 boiler foundation plan sketch.