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Safety Monitoring System of Closed Coal YardOnline Inquiry
Product Description:

? ? In coal mines, thermal power plants, thermal power plants and other places where coal needs to be stored and circulated, long-term contact between coal and air will produce oxidation reaction and release heat. Although the heat in the outer layer of the coal pile can be distributed, because of the slow air flow, poor ventilation and accumulation of heat inside the coal pile, the temperature inside the coal pile is getting higher and higher. When the temperature exceeds the spontaneous ignition point of the coal, it will produce spontaneous combustion, which will cause great damage to personnel and equipment. At the same time, the spontaneous combustion of coal will also produce toxic and harmful gases such as carbon monoxide and methane. Under the current state's vigorous implementation of environmental management, real-time and effective monitoring of coal heap temperature has great social and economic benefits, and is an important part of the implementation of "electronic coal yard", which has great necessity. In the field of safety monitoring of closed coal yards, such as large silos, circular coal yards and strip coal yards, the technology of accurate measurement of material level and temperature has always been a difficult problem for the industry. Our closed coal yard safety monitoring system successfully overcomes this problem by relying on high-precision material level and temperature acquisition module, advanced data processing methods, intuitive, accurate and realistic image display technology. At the forefront of the entire monitoring industry.

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1. Hardware system: Hardware system mainly consists of intelligent controller, material level acquisition instrument, temperature acquisition instrument, coordinate positioning instrument, high-speed data acquisition card and computer system. All the core components adopt advanced imported instruments to ensure the accuracy and reliability of data acquisition.
2. System Equipment Network
3. Software system: The company independently developed, mainly including data acquisition, point cloud data preprocessing, surface reconstruction, three-dimensional model display, data backup, early warning and other functions.

1. It can be used in silos, circular coal yards and strip coal yards.
2. The accuracy is relatively high, up to 0.5%.
3. Omnidirectional and no blind area scanning to truly reflect the coal storage situation in coal storage yard.
4. High level of protection, which can adapt to the harsh environment on site.
5. The measurement speed is fast, the automation degree is high, and the operation is simple.
6. Automatic generation of key sections, stereoscopic and intuitive.
7. Supports generating data reports, printing, saving and other functions, and can customize report format according to user needs.
8. It has the function of password security protection.
    The closed coal yard safety monitoring system integrates the coal yard panel system and the coal yard safety monitoring system. Through 3D rapid scanning of the coal seam height and temperature in the coal yard, accurate coal panning can be achieved, synchronous safety early warning can be achieved, and real-time display with realistic and intuitive 3D images. The system is an automatic monitoring system integrated by multiple sensors. The intelligent controller controls the dynamic rotation of the material level acquisition instrument and temperature acquisition instrument, carries out three-dimensional scanning and data acquisition of the storage site, and carries out a series of data processing through the computer software system, finally obtains the material level, temperature and three-dimensional coordinate data of the coal seam surface in the coal yard. Using reverse engineering application, the collected data are reconstructed, the material surface contour is fitted with the surface, the coal storage is calculated in real time, and the material surface temperature is expressed by color. When the coal seam surface temperature exceeds the preset value, the warning signal is sent out. At the same time, the substances that cause coal dust and gas explosion are often suspended in the air, and explosion occurs instantaneously. Therefore, it is very important to prevent such disasters in advance. In addition, for the working material yard, water dust removal device should be used to reduce the dust concentration at the drop point, and dust concentration detector should be set up to monitor the dust concentration in the coal yard. In the early stage of spontaneous combustion, carbon monoxide will be produced by low temperature oxidation, and the concentration of oxygen will also change. Therefore, it is necessary to set up carbon monoxide and oxygen detection devices for real-time monitoring in order to detect early and take timely measures. Oxygen concentration decreases due to the oxidation of coal or the failure of ventilation system. In order to ensure the safety of working environment, the concentration of oxygen should be above 18% VOL. The content of combustible gas methane (CH4) in air should be below 1.5%. The methane concentration detector should be installed in the coal field where the exhaust flow is concentrated to monitor the concentration of methane in real time.
The closed coal yard safety monitoring system has three main functions: coal panning function, safety monitoring function and query management function.
1. Coal discarding function: The closed coal yard safety monitoring system abandons the traditional manual inventory method, realizes fast and accurate coal storage measurement by combining dynamic laser level instrument with coordinate positioning instrument, and outputs realistic 3D coal yard graphics, helps managers to carry out fixed-point feeding and discharging according to material surface, prevents deviation of warehouse, and manages coal yard operation in an integrated way, objectively achieving the goal. The effect of transparency and supervision.
2. Safety monitoring function: Closed coal yard safety monitoring system is composed of dynamic infrared temperature acquisition instrument and coordinate positioner to realize fast and accurate temperature scanning of the material yard, covering the surface of the fitting material level surface in the form of color change, and distinguishing the highest temperature area and the most intense temperature change area within the coal yard by eye-catching color to give real-time warning. Help managers deal with potential threats calmly.
3. Query management function: With the index of time and location, query the coal storage data in the coal yard backed up by the closed coal yard safety monitoring system software (the location of the coal yard, the volume of the coal yard, the temperature of the coal seam, the 3D graphical information, etc.), and output the statistical curve or report form of the historical coal storage data of the coal yard for the reference of managers.
Safety Monitoring 3D Effect Map:

Silo Monitoring 3D Effect Pictures

3D effect picture of strip coal field monitoring  

   

3D effect picture of circular material yard monitoring

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