| Issue |
E3S Web Conf.
Volume 38, 2018
2018 4th International Conference on Energy Materials and Environment Engineering (ICEMEE 2018)
|
|
|---|---|---|
| Article Number | 04008 | |
| Number of page(s) | 5 | |
| Section | Energy Engineering | |
| DOI | https://doi.org/10.1051/e3sconf/20183804008 | |
| Published online | 04 June 2018 | |
Experiment Comparison between Engineering Acid Dew Point and Thermodynamic Acid Dew Point
1
Guangdong Power Grid Co., Ltd. Electric Power Research Institute, Guangzhou 510000, China
2
North China Electric Power University (Baoding), Baoding 071000, China ;
in order to realize the accurate prediction of acid dew point, a set of measurement system of acid dew point for the flue gas flue gas in the tail of the boiler was designed and built, And measured at the outlet of an air preheater of a power plant of 1 000 MW, The results show that: Under the same conditions, with the test temperature decreases, Nu of heat transfer tubes, fouling and corrosion of pipe wall and corrosion pieces gradually deepened. Then, the measured acid dew point is compared with the acid dew point obtained by using the existing empirical formula under the same coal type. The dew point of engineering acid is usually about 40 ℃ lower than the dew point of thermodynamic acid because of the coupling effect of fouling on the acid liquid, which can better reflect the actual operation of flue gas in engineering and has certain theoretical guidance for the design and operation of deep waste heat utilization system significance.
© The Authors, published by EDP Sciences, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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