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Title: Results of the application of reburning technology to reduce the NO{sub x} emissions in oil tangentially fired boilers: The case of the Porto Tolle 660 MW and the Torvaldaliga 320 MW boilers

Abstract

The retrofit of reburning firing system to existing boilers is a viable technology to comply with the emissions standards. Nevertheless, the engineering of the new combustion system has to take into account its global impact on the boiler. In particular, the profiles of the radiative heat fluxes on the furnace waterwalls could be critical for the circulation. During the commissioning of the boiler a special attention has to be paid in order to achieve a good compromise between NO{sub x} reduction and opacity increase. The identification of the optimum burner setting in terms of flow rates as well as geometrical setting (tilt and yaw angles) will affect the emissions, the combustion efficiency and the thermal behavior of the furnace. The use of dedicated CFD (Computational Fluid-Dynamic) codes will help both the design engineers and the Plant operators. This paper describes the results from a series of applications of the Reburning technology on tangentially fired boilers operated with heavy fuel oil and natural gas. A short overview of the engineering tools used for the design, as well as the impact on the boilers, in terms of modifications and operations is given in the following.

Authors:
; ; ; ;
Publication Date:
Research Org.:
ABB Ricerca SpA (IT)
OSTI Identifier:
20018942
Report Number(s):
CONF-9806214-
TRN: IM200018%%176
Resource Type:
Conference
Resource Relation:
Conference: Power-Gen Europe'98, Milan (IT), 06/09/1998--06/11/1998; Other Information: 1 CD-ROM. Operating Systems: Windows 3.1, '95, '98 and NT; Macintosh; and UNIX; PBD: [1998]; Related Information: In: Power-gen Europe'98, [2400] pages.
Country of Publication:
United States
Language:
English
Subject:
20 FOSSIL-FUELED POWER PLANTS; 02 PETROLEUM; 03 NATURAL GAS; FOSSIL-FUEL POWER PLANTS; FUEL OILS; NATURAL GAS; AIR POLLUTION CONTROL; NITROGEN OXIDES; PARTICULATES; BURNERS; STAGED COMBUSTION; COMPUTERIZED SIMULATION

Citation Formats

Mascalzi, G, Perissinotto, E, Durante, L, Hopkins, K, and Giovanni, S S. Results of the application of reburning technology to reduce the NO{sub x} emissions in oil tangentially fired boilers: The case of the Porto Tolle 660 MW and the Torvaldaliga 320 MW boilers. United States: N. p., 1998. Web.
Mascalzi, G, Perissinotto, E, Durante, L, Hopkins, K, & Giovanni, S S. Results of the application of reburning technology to reduce the NO{sub x} emissions in oil tangentially fired boilers: The case of the Porto Tolle 660 MW and the Torvaldaliga 320 MW boilers. United States.
Mascalzi, G, Perissinotto, E, Durante, L, Hopkins, K, and Giovanni, S S. Wed . "Results of the application of reburning technology to reduce the NO{sub x} emissions in oil tangentially fired boilers: The case of the Porto Tolle 660 MW and the Torvaldaliga 320 MW boilers". United States.
@article{osti_20018942,
title = {Results of the application of reburning technology to reduce the NO{sub x} emissions in oil tangentially fired boilers: The case of the Porto Tolle 660 MW and the Torvaldaliga 320 MW boilers},
author = {Mascalzi, G and Perissinotto, E and Durante, L and Hopkins, K and Giovanni, S S},
abstractNote = {The retrofit of reburning firing system to existing boilers is a viable technology to comply with the emissions standards. Nevertheless, the engineering of the new combustion system has to take into account its global impact on the boiler. In particular, the profiles of the radiative heat fluxes on the furnace waterwalls could be critical for the circulation. During the commissioning of the boiler a special attention has to be paid in order to achieve a good compromise between NO{sub x} reduction and opacity increase. The identification of the optimum burner setting in terms of flow rates as well as geometrical setting (tilt and yaw angles) will affect the emissions, the combustion efficiency and the thermal behavior of the furnace. The use of dedicated CFD (Computational Fluid-Dynamic) codes will help both the design engineers and the Plant operators. This paper describes the results from a series of applications of the Reburning technology on tangentially fired boilers operated with heavy fuel oil and natural gas. A short overview of the engineering tools used for the design, as well as the impact on the boilers, in terms of modifications and operations is given in the following.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1998},
month = {7}
}

Conference:
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