文档介绍：CFD Modeling Study of a 500 MW Gas-Fired Utility
Boiler
. Chui, A. Runstedtler, A. Majeski
CANMET Energy Technology Centre, Natural Resources Canada, Ottawa,
Canada
I. Leach
OPG Lennox Generating Station, Bath, Ontario, Canada
N. Macfadyen
Union Gas Ltd., Chatham, Ontario, Canada
Abstract
The performance of a full-scale natural gas-fired utility boiler has recently been simulated using CFX-
TASCflow. The boiler originally designed for oil-firing has been converted to have an additional natural-
gas firing capability. This purpose of this study is to use CFD to determine detailed natural bustion
characteristics within the unit in order to identify the most optimal operating condition. This paper
describes a collaborative approach undertaken by the modeler, utility staff and other experts that has proven
to be effective in generating insights and boiler information difficult to obtain from field measurements.
Introduction
A 500+ MWe utility boiler has recently been retrofitted to add natural gas firing to its original oil-firing
capability. The motivation is to reduce CO2 emissions by converting to a lower carbon fuel. The unit can
currently be fully natural gas-fired or oil-fired or bustion of both from quarter load to full load
The introduction of natural gas firing to a unit not originally designed for such conditions generates