Research on the elliptic aerodynamic field in a 1000 MW dual circle tangential firing single furnace ultra supercritical boiler

Influence of vertical burner tilt angle on the gas temperature deviation in a 700 MW low NO x tangentially fired pulverised-coal boiler

“…The other involves weakening the residual swirling intensity, usually by opposing the tangential swirling direction of the air jet flow from the over fire air (OFA) or the separated over fire air (SOFA) [14][15][16]. In addition, the application of a dual-tangential-circle firing system within a single chamber is also helpful to decrease the residual swirling intensity via two counteracting tangential flue gas flow systems in opposite directions [17,18]. Although partially opposing the tangential circle direction of OFA or SOFA has been proven to be effective solution to decrease the gas temperature deviation, it is not applicable for boilers installed with burners that cannot change their yaw angle horizontally.…”

An approach for estimation of water wall degradation within pulverized-coal boilers

“…In this paper, we propose a numerical procedure for referential modelling of chamber degradation based on a common Computational Fluid Dynamics (CFD) and Computational Solid Dynamics (CSD) modelling by the so-called advanced thermal Fluid Solid Interaction (FSI) [27]. CSD is a point-blank analogy to CFD.…”

Numerical Study of the Effect of Imaginary Circle Diameter on the Combustion in a Corner-tangentially-fired Boiler

“…Corner-tangentially-fired boilers (CTFBs) are widely used in thermal power units on account of the advantages of uniform mixing of air powder, high flame filling degree, high combustion rate and low pollutant emission [1,2]. The actual tangential diameter is an important parameter of the aerodynamic characteristics of the CTFB, which has a very important effect on the slag formation, corrosion at high temperatures, steady combustion [3].…”