Abstract
The Industrial Internet of Things (IIoT) is of great significance to the improvement of industrial efficiency and quality, and to reduce industrial costs and resources. However, there are few openly-reported practical project applications based on the IIoT up to now. For legacy automation devices in traditional industry, it is especially challenging to realize the upgrading of industrial automation adopting the IIoT technology with less investment. Based on the practical engineering experience, this paper introduces the automation renovation of a sewage treatment plant. The legacy automation devices are upgraded by the central controller of a STM32 processor (Produced by STMicroelectronics company, located in Geneva, Switzerland), and the WeChatApplet (Developed by Tencent company, located in Shenzhen, China) is used as the extended host computer. A set of remote monitoring and control systems of sewage treatment based on the IIoT is built to realize the wide-area monitoring and control of sewage treatment. The paper describes the field hardware system, wide-area monitoring and control application program, management cloud platform and security technologies in detail. The actual operation results show that the monitoring system has the requirements of high accuracy, good real-time performance, reliable operation and low cost.
Highlights
With the development of urbanization in various countries, the pollution of water resources is becoming more and more serious
All functions can be basically realized, but there are some problems, for example: It can be seen from the above tests that after adopting the method proposed in this paper, the sewage treatment plant has realized wide-area monitoring and achieved better control effects
In view of the problem that the monitoring system of the sewage treatment plant cannot be monitored remotely at present, this paper studies a set of sewage treatment monitoring and control system based on the technology of Industrial Internet of Things (IIoT)
Summary
With the development of urbanization in various countries, the pollution of water resources is becoming more and more serious. The pollution of rural breeding sewage refers to pig farms and cattle farms. The sewage produced by them from the rural environment is very big. The impact of domestic sewage is small, if it is directly discharged into the river, it will cause pollution to the living environment and drinking water of the city. The treatment of water pollution has become an important issue in the current urban recycling development, and has been paid attention to by various regions [1,2]. More efforts have been made to control water resources, a large number of new sewage treatment plants have been built to improve water quality [3]
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