Decrease in nitrogen oxide emissions from the combustion of the prepared gas mixture in the swirl burner
Journal Title: Вентиляція, освітлення та теплогазопостачання - Year 2017, Vol 21, Issue
Abstract
The results of numerical studies prepared by the combustion of the gas mixture (α'v=0.75) in the vortex burner. The results of computer simulation of three-dimensional low-emission gas burning scheme taking into account the influence of the design parameters of the burners and technological activities. In the calculations made burner design parameters: the register vanes installation angle in the flow of primary air φ1 = 45 ° at α'v = 0.75 and installation angle of the blades in the flow of secondary air φ2 = 60 °, the overall excess air factor is αv = 1.10. Simulation results show that in the methane combustion may reduce the emissions of nitrogen oxides to thermal 25-30 mg/m3 values. Performed numerical study of heat exchange and air dynamics of water-tube steam boilers shows possibility of estimation of operation efficiency of burners
Authors and Affiliations
А. Redko, A. Pavlovskaia, I. Redko
Evaluation оf Microclimate Parameters by Indicators of Local Heat Comfort in the Room Which Has Failures of Outside Observing Structures
The article deals with the task of evaluating the parameters of the microclimate in the room, which has defects of external enclosing structures, using the indicators of thermal comfort PMV (Predicted Mean Vote), PPD (Pr...
Analysis of hydrodynamic processes during a vortex passage through an exhaust opening
The work opens a series of works on the analysis of the energy efficiency of air exchange organization. By computational fluid dynamics the known hypothesis, that all of the turbulent pulsations energy can not leave a ro...
Analytical Modeling of Air Flow on the Work of Helioroof with Transparent Cover
In this paper, the effect of air flow on the efficiency of helioroof is studied. Dependencies between different velocities and directions of air flow and the energy efficiency of a geloid beam with a transparent coating...
Estimation of the Efficiency of Building Environment Using Influence of Several Parameters on People, Based on the Point Calculus
According to the law of optimum in ecology, each factor has a certain range (the optimum zone), in which a person feels comfort. If the factor values come out of this range, the body is depressed. When designing environm...
Numerical Study of Aerodynamic Processes in the Furnace Water-tube Boiler at Different Operating Conditions
The results of numerical studies of aerodynamics of the furnace of water-tube steam boiler DE-10/14 are presented. The boiler is equipped by vortex gas-oil burner GMG-7 performing 718 m3/h of natural gas. Calculations of...