Abstract
Our goal is to solve the complexity of laying down wiring for traditional monitoring systems for mine water, while taking into account the poor timeliness of sampling and continuous monitoring, based on the processing and reuse of mine water. In this article, we focus on the theory of multi-sensor networks to estimate mine water quality, quantity monitoring equipment, and mine water Internet of Things (hereafter denoted “IoT”) communication systems. We designed a mine water IoT monitoring system for the wireless monitoring of water quantity and quality, developed an experimental platform for the wireless monitoring of mine water. This platform has the advantages of simple wiring and strong expandability. Finally, we tested and analyzed the system operation effects. To solve the problem of partial data abnormalities caused by problems of sensing equipment, we propose a data abnormality detection method based on an isolated forest that combines the characteristics of the sufficient timeliness of mine water monitoring data, and we offer experimental verification and analysis. The experimental results show that the system can realize the real-time wireless monitoring of mine water quality and quantity information with stable and fast data transmission capability. Furthermore, the system can quickly discover, analyze, and process abnormal data, has sufficient timeliness while guaranteeing the validity of the data output from the monitoring platform.
Highlights
M INE water is underground gushing water produced during the mineral mining process
This paper combines the industrial IoT framework with the efficient and comprehensive utilization pathway of mine water. It deeply integrates the IoT theory with the mine water treatment scenario, and solves the technical problems associated with the scenario such as the difficulty of data centralization and sharing faced by the collaborative and efficient utilization of mine water up-hole-surface
We first established a fast and effective online monitoring system for mine water based on isolated forests and the IoT
Summary
M INE water is underground gushing water produced during the mineral mining process. Influenced by human activities such as underground coal mining, mine water is highly susceptible to pollution, and if discharged directly without treatment, it inevitably pollutes the environment and wastes resources. Traditional mine water treatment systems use wired cable communications, and as mining operations move deeper underground, the communications and mine water treatment equipment required involves expansion and upgrading. This increases the cost of a full-scale mine water monitoring system and limits its effectiveness. Due to the lack of fast and accurate real-time monitoring, the reuse of mine water starts at a relatively late stage in the treatment process This stage is usually the last clear water tank with stable water quality (much higher than the water quality required at the point of use). The water quality requirements in coal production are not the
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