The composition of the dry flue gas leaving the boiler at 700oC are found to be 0.9% O 2, 9.7% CO 2, 0.02% CO and the balance N 2 •Sketch a process flow diagram of the above process •Construct a Sankey diagram showing the percentage of heat available and losses from various sources •Calculate the combustion and thermal efficiencies of the
Assuming that flue gases contain only these two gases, the losses [kW]can be calculated as: φ L1 = m& CO ⋅ H l,CO + m& H 2 ⋅ H l, H 2 (9) where m& CO is the mass flow of carbon monoxide [kg/s], m& H 2 the mass flow of hydrogen, H l,CO the lower heating value (LHV) of carbon monoxide (10,12 MJ/kg), and H l,H 2 the lower heating value (LHV) of hydrogen (119,5 MJ/kg).
Flue gas analysers produce a set of figures for carbon dioxide, carbon monoxide, and excess oxygen. In the case of oxygen and carbon dioxide, theres a quite simple relation between the two, which it can be instructive to work out. Indeed, at least some analysers rely on this. While some measure carbon
23/03/2021 · How To Calibrate Flue Gas Analyser. A flue gas analyser is essential for safety in any environment where a combustion appliance, such as a boiler, is in use. The analyser measures the levels of potentially deadly gasses like carbon dioxide and carbon monoxide to make sure they are at safe levels. By also measuring oxygen levels, temperature and other parameters, some flue gas analysers