Objective
Combustion of 4-5 % sulphur coal within tight emission limits (rate of sulphur removal better than 90 %) without limestone addition by using a high limestone-rich ash content coal in a circulating fluid bed combustor. The boiler (65 t/h of steam - 52,5 MW) will be connected with a district heating network providing steam to factories and residential buildings.
Main design features: thermal output 52,5 MW
Inside combustion chamber height: 19 m
Inside combustion chamber cross-section: 17 m2
Fluidizing velocity: up to 7 m/s
Fuel: unwashed 0-20 mm coal, ash content: 30 %
Primary air supplied by a 410 KW fan
Secondary air supplied by a 160 KW fan, and introduced at 2 different levels.
Start up fuel oil system
Recycling of part of the flue gas
Gas cleaning by electrostatic filter
Ash removal by pneumatic conveying system.
Call for proposal
Data not availableFunding Scheme
DEM - Demonstration contractsCoordinator
13006 MARSEILLE
France