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国际清洁环境能源期刊
SJR: 0.195 SNIP: 0.659 CiteScore™: 1.2

ISSN 打印: 2150-3621
ISSN 在线: 2150-363X

国际清洁环境能源期刊

Formerly known as Clean Air: International Journal on Energy for a Clean Environment

DOI: 10.1615/InterJEnerCleanEnv.v7.i1.20
pages 17-28

INFLUENCE OF BURNER DESIGN ON FORMATION OF POLLUTANT EMISSIONS IN OIL COMBUSTION

A. Gallegos Munoz
Facultad de Ingenieria, Universidad de Guanajuato, Prol. Tampico S/N, Col. Bellavista, C.P. 36730, Salamanca, Guanajuato, México
Cesar A. Romo-Millares
INSTITUTO DE INVESTIGACIONES ELECTRICAS
M. Huerta Espino
Gerencia de Procesos Térmicos, Instituto de Investigaciones Eléctricas, Reforma 113, Col. Palmira, C.P. 62490, Cuernavaca, Morelos, México
J. Espinoza Garza
Gerencia de Procesos Térmicos, Instituto de Investigaciones Eléctricas, Reforma 113, Col. Palmira, C.P. 62490, Cuernavaca, Morelos, México
A. Mani Gonzalez
Gerencia de Procesos Térmicos, Instituto de Investigaciones Eléctricas, Reforma 113, Col. Palmira, C.P. 62490, Cuernavaca, Morelos, México

ABSTRACT

The advent of stricter regulations on pollutant emissions has obligated the Mexican electric industry to search for alternatives in the design of combustion equipment to satisfy the new regulations, mainly in regards to NOx and particulate matter emissions. Different swirler (flame stabilizer) geometries in a single burner were studied to identify the aerodynamics characteristics of the recirculation zone and its influence on the fuel spray introduced in the furnace of the boiler by an atomizer. The aerodynamics characteristics of the recirculation zone are related to the swirl number and pressure drop through the swirler. Results showed changes in the recirculation zone with different swirler designs, promoting variations in the mixing and combustion process. An increment in the swirl number produces a stronger recirculation vortex and an increase in the mixing process, resulting in a better combustion process. As a result of an optimization process, a swirler with curve blades was designed and tested in a thermoelectric power station in Mexico, obtaining good results in terms of NOx and particulates emissions.


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