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脱硝在线连续监测系统与脱硫在线监测系统相比,脱硝装置在电除尘(或袋除尘)装置之前,而脱硫装置在除尘装置之后。由于安装位置的前移,脱硝CEMS系统运行环境将比脱硫CEMS系统更为恶劣,脱硝装置将面临着高温、高粉尘、高负压等一系列问题。本文结合脱硝装置工况及有关环保标准,提出了脱硝CEMS系统对设备的要求以及设备维护中的问题。
On-line continuous monitoring system for denitrification Compared with the on-line monitoring system for desulfurization, the denitrification device is before the ESP device and the desulfurization device is behind the dedusting device. Due to the forward installation position, the operating environment of the denitrification CEMS system will be worse than the desulphurization CEMS system. The denitration device will face a series of problems such as high temperature, high dust and high negative pressure. In this paper, combined with the working conditions of denitrification equipment and relevant environmental standards, the requirements of equipment for denitrification CEMS system and the problems in equipment maintenance are put forward.