Experimental study and Theoretical analysis on the influence for diverse boiler load to SCR denitrification system
- DOI
- 10.2991/mmme-16.2016.107How to use a DOI?
- Keywords
- load; SCR; relative standard deviation of k; non-uniform flow field; denitration efficiency
- Abstract
This study investigates the performance of SCR catalysts which has been analyzed with a theoretical method from the operation data on the SCR device of a 600MW unit, and then performance experiments have been done under the high load-600MW&the low load-320MW. The results show that compared to the NOX distri-bution at SCR outlet under the 600MW,the 320MW's has become more uneven with the relative standard de-viation k being quite large; Compared to the results through theoretical analysis, the denitrification efficiency measured at field test on the 320MW is relatively lower than that under 600MW when NH3/NO ratio stays constant, the reason of which mainly lies in the obvious change of flue gas flow field at SCR inlet, distrib-uting in an opposite trend to that under 600MW. Improvement and optimization of rectifying device at deni-trification inlet flue is recommended to realize uniform flow field, thus in addition to the improvement of NOX distribution uniformity at denitrification outlet and reduction of ammonia escaping rate, the denitrifica-tion efficiency is increased, hopefully providing guidance on the economical operation of SCR denitrification system.
- Copyright
- © 2016, the Authors. Published by Atlantis Press.
- Open Access
- This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).
Cite this article
TY - CONF AU - M.T. Cheng AU - J. Zhong AU - Y. J. Liao AU - J. H. Fan AU - Z. Y. Gao PY - 2016/10 DA - 2016/10 TI - Experimental study and Theoretical analysis on the influence for diverse boiler load to SCR denitrification system BT - Proceedings of the 2016 4th International Conference on Mechanical Materials and Manufacturing Engineering PB - Atlantis Press SP - 464 EP - 468 SN - 2352-5401 UR - https://doi.org/10.2991/mmme-16.2016.107 DO - 10.2991/mmme-16.2016.107 ID - Cheng2016/10 ER -