Low Cost IoT Based Emission Monitoring System for Thermal Power Plants

2019 ◽  
Author(s):  
Ayesha Samreen ◽  
P. Sathish ◽  
N.Alivelu Manga
Keyword(s):  
Monitoring System ◽  
Power Plants ◽  
Low Cost ◽  
Thermal Power ◽  
Thermal Power Plants ◽  
Emission Monitoring

The Database of Measuring Systems for Environmental Monitoring of Thermal Power Plant Emissions

Vestnik MEI ◽  
2021 ◽  
pp. 66-76
Author(s):  
Pavel V. Roslyakov ◽  
◽  
Saina A. Sivtseva ◽  
Keyword(s):  
Power Plant ◽  
Thermal Power Plant ◽  
Database Management ◽  
Power Plants ◽  
Thermal Power ◽  
Database Management System ◽  
Measuring Instruments ◽  
Thermal Power Plants ◽  
Emission Monitoring ◽  
Automatic Systems

According to the Russian environmental legislation, all sources of atmospheric pollution at Category I industrial enterprises must necessarily be equipped with automatic systems for monitoring and accounting of marker pollutants emissions. Such industrial facilities include more than 100 thermal power plants. The list of marker pollutants has been established in the relevant industry information and technical reference books on the best available technologies (ITR BAT). The list of marker pollutants monitored at thermal power plants by automatic systems includes nitrogen oxides NOX, sulfur dioxide SO2, carbon monoxide CO, and solid fuel ash. The use of domestically produced measuring equipment for these purposes is set forth as a priority task. However, there is currently no systematic information about gas analysis systems available in the market. The measuring instruments are analyzed, and a database of domestic sampling and non-sampling gas analytical systems is set up, which includes the main methods and means of measuring pollutants emissions, the technical characteristics of which meet the requirements of regulatory documents, and which allows specialists to optimally choose measuring instruments for organizing a continuous emission monitoring system (CEMS) at thermal power plants, taking into account specific conditions and requirements. The Microsoft Access Relational Database Management System (DBMS), which is a flexible database management system, is used to create the database. The developed database of measuring instruments for emission monitoring includes equipment from 33 Russian companies. The DBMS enables the user to organize data in tabular form and produce requests for selecting certain specified parameters. Both basic and additional criteria for selecting measuring instruments can be included in the request form. The developed DBMS takes into account the measured parameters of medium, the measurement method and means, compliance with BAT, measurement ranges and errors, estimated and warranty service life, mass and dimensional characteristics, and cost and complexity of maintenance, all serving for the convenience of selecting and implementing CEMS at thermal power plants. An example of the choice of measuring instruments from the proposed database for monitoring the marker pollutants emissions for the MPEI thermal power plant using the optimal choice algorithm is given.

Monitoring System for Auxiliary Motors in Thermal-Power Plants

2014 ◽  
Vol 3 (1) ◽  
pp. 53 ◽  
Author(s):  
Erik Leandro Bonaldi ◽  
Levy Ely de Lacerda de Oliveira ◽  
Felipe dos Santos Moreira ◽  
Luiz Eduardo Borges da Silva ◽  
Jonas Guedes Borges da Silva ◽  
...  
Keyword(s):  
Monitoring System ◽  
Power Plants ◽  
Thermal Power ◽  
Thermal Power Plants

scholarly journals Design of a Real-Time Monitoring System for Smoke and Dust in Thermal Power Plants Based on Improved Genetic Algorithm

2021 ◽  
Vol 2021 ◽  
pp. 1-10
Author(s):  
Bo Wang ◽  
Xuliang Yao ◽  
Yongqing Jiang ◽  
Chao Sun ◽  
Mohammad Shabaz
Keyword(s):  
Genetic Algorithm ◽  
Real Time ◽  
Monitoring System ◽  
Power Plants ◽  
Fine Particles ◽  
Programming Model ◽  
Thermal Power ◽  
Dust Emission ◽  
Thermal Power Plants ◽  
Real Time Monitoring

The major health hazards from smoke and dust are due to microscopic fine particles present in smoke as well as in dust. These fine particles, which are microscopic in nature, can penetrate into human lungs and give rise to a range of health problems such as irritation in eyes, a runny nose, throat infection, and chronic cardiac and lung diseases. There is a need to device such mechanisms that can monitor smoke in thermal power plants for timely control of smoke that can pollute air and affects adversely the people living nearby the plants. In order to solve the problems of low accuracy of monitoring results and long monitoring time in conventional methods, a real-time smoke and dust monitoring system in thermal power plants is proposed, which makes use of modified genetic algorithm (GA). The collection and calibration of various monitoring parameters are accomplished through sampling control. The smoke and dust emission real-time monitoring subsystems are employed for the monitoring in an accurate manner. A dual-channel TCP/IP protocol is used between remote and local controlling modules for secure and speedy communication of the system. The generic GA is improved on the basis of the problem statement, and the linear programming model is used to avoid the defect of code duplication with genetic operations. The experimental results show that the proposed smoke and dust monitoring system can effectively improve the accuracy of the monitoring results and also reduce the time complexity by providing solutions in a faster manner. The significance of the proposed technique is to provide a reliable basis for the smoke and dust emission control of thermal power plants for safeguarding the human health.

Screening and Analysis of Potential Filler Materials for Molten Salt Thermocline Storages

2014 ◽  
Author(s):  
Claudia Martin ◽  
Nils Breidenbach ◽  
Markus Eck
Keyword(s):  
Thermal Stability ◽  
Molten Salt ◽  
Electricity Generation ◽  
Power Plants ◽  
Low Cost ◽  
Thermal Power ◽  
Solar Thermal ◽  
Filler Materials ◽  
Thermal Power Plants ◽  
Solar Thermal Power

Solar thermal power plants are a promising option for future solar electricity generation. Their main advantage is the possibility to utilize integrated thermal storage capacities, allowing electricity generation on demand. In state of the art solar thermal power plants, two-tank molten-salt thermal energy storages are used. Significant cost reductions are expected by using thermocline thermal energy storage by storing the liquid storage material inside a single tank when compared to a two tank storage system. By embedding a low cost solid filler material inside the storage tank further cost reductions can be achieved. In earlier studies [1, 2] several potential filler materials have been investigated. In these study quartzite turned out to be a promising candidate due to its satisfying thermal stability and availability. At a temperature of approx. 573°C the crystal structure of quartzite changes from trigonal α-quartz phase to the hexagonal β-quartz phase [3]. This quartz conversion results in a volume change [4] that may cause cracking of the quartzite crystals due to weight loads in a packed bed. Since these thermal tests of the study mentioned were limited to 500°C this dunting was not considered. Thus, despite of the published studies there is a need for further, more detailed analysis. One trend in today’s development of solar thermal power plants is to use molten salt as storage material and heat transfer fluid at operating temperatures of 560°C and above. Accordingly, the quartz inversion might limit the applicability of quartzite as a filler material at elevated operating temperatures. Due to this concern, an investigation has been started to investigate the utilizability of natural rocks as low cost filler materials. In the first phase of this investigation a comprehensive literature survey was conducted. Based on this study, magmatic and sedimentary rocks turned out to the most promising rock classes for this application. For the further investigation, basalt was chosen as a suited representative for magmatic and quartzite for sedimentary rocks. In lab-scale tests, these candidate materials were investigated with respect to their: • Calcite content • Thermal stability up to 900°C in air • Thermal stability up to 560°C in molten salt • Cyclic stability between 290°C and 560°C in molten salt • Specific heat capacity up to 600°C In this paper the results of these investigations are presented and future activities are outlined.

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