Abstract
In order to complete the peak load regulating of power system, coal-fired power units have long-term frequent load fluctuations, which have a significant impact on the formation and removal of nitrogen oxides. In this paper, with the goal of studying the characteristics of nitrogen oxide generation and removal in the transient process of a 660 MW coal-fired unit, a prediction model of nitrogen oxides generation in the transient process was established, and the nitrogen oxides generation prediction study in the process of variable load was carried out. According to the characteristics of the burner switching in the variable load process of the coal-fired unit, it was found that the higher load point of the newly added burner, the more effectively it can avoid the increase of the generation value of nitrogen oxides.
| Original language | English |
|---|---|
| Pages (from-to) | 527-535 |
| Number of pages | 9 |
| Journal | Power Generation Technology |
| Volume | 41 |
| Issue number | 5 |
| DOIs | |
| State | Published - 30 Oct 2020 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Coal-fired power units
- NOx generation forecast
- Selective catalytic reduction (SCR) denitration
- Transient process
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