Research On The Continuous Emission Monitoring System

Recently, due to the exacerbation of the haze weather throughout the country, the request of environmental protection is increasingly stringent. Power plant is the key enterprise, so environmental protection administration is very strict and accurate in Continuous Emissions Monitoring System(CEMS). Both in the power industry and the environmental protection department are emphasized on the accuracy and stability of CEMS online meter and the persistence of data transmission. However, compared with foreign advanced technology, our country of CEMS level remains to be improved. Such as the core technology of the analyzer in our country is still in the development stage.The research on CEMS should be focused, so that our country can also stand in the leading ranks. This thesis aims for own humble opinion on CEMS, combining with the application of CEMS in the power plant A in Tianjin, summarizing some comments and suggestions to promote the development of CEMS.This thesis introduces the meaning, the significance, the development process and the status quo of CEMS, and describes the composition, the structure and the measurement principle of CEMS in detail, combining with the actual situation of CEMS in Tianjin A power plant, and analyzing the cause of the errors, and puts forward the own point of view to improving the corresponding viewpoint, and ensuring the stable running of CEMS and transmission data. It improves the accuracy of monitoring, and provides a real,reliable and effective data to the environmental protection department, and also explains the selection of the location of the measurement points and the daily operation of CEMS system, using the network analytic hierarchy process(ANP) and fuzzy comprehensive evaluation to establish evaluation index. It can evaluate CEMS in Tianjin A power plant from the economic, social, environmental and other aspects. In the end, for the deficiency of the current monitoring puts forward innovative ideas to improve the particulates measure and the high temperature and humidity environment monitoring.