Boiler Chimney Design Calculation

T theoretical draft inches of water b barometric pressure inches of mercury h effective height of chimney feet t.

Boiler chimney design calculation.

Of raft d 13 00 m area of raft a 3 14 xdxd 4 132 67 m 2 section modulus z 3 14xdxdxd 32 215 58 m 3 height of soil above raft h 4 00 m thickness of the raft t 2 00 m height of pedestal h1 4 50 m. Boiler stack diameter project title. Design calculation sheet for. Chimney height is measured in m.

Required chimney area can be calculated as. 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. A cross sectional area of chimney m 2 q volume of flue gases at chimney temperature m 3 s v velocity m s in general 1 kw boiler heat requires 1100 mm 2 of chimney area. Altitude refer to table 2 for appliance outlet temperatures.

4 3 boller efticiedcy the ratio of heat used in the boiler to. 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. Using desired steam parameters calculate the enthalpy of steam to be generated. A q v 3 where.

The design of the steel stack or chimney is important from the diesel genset performance as well as air pollution point of view. 2 x 80tph 65 barg 480 0c client. Chimney vent capacity chart btu h and kw. While doing the flue gas steel stack design calculations you should consider the design formulas and local pollution control norms.

Design velocities of larger furnaces should not exceed 10 m s. Calculation of burner heat duty and fuel firing rate. 5 0 design calculations load data 1 00 281 53214 boiler foundation plan sketch. View stack sizeing xls from chemistry 344 at nanjing university.

Al moiz industries ltd project. M mean chimney temperature ºf 460 refer to table 1 for barometric pressure vs. Figure 1 quantity unit dia of stack d 6 00 m dia. 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.