Main Drainage System Of The Mine
1、Range of application：
The main purpose of air compressor in coal mine is to provide compressed air power energy for underground pneumatic mining machinery and pneumatic tools. The automatic control device of air compressor is mainly designed according to the working performance of air compressor in coal mine and the requirements of unattended intelligent mine in coal mine. Through the decision control of industrial computer, the operating state and operation process of equipment are automatically detected and controlled. In order that the equipment can achieve the best working state, so as to effectively save energy, reduce labor intensity, reduce operating costs and extend the service life of the equipment, and meet the centralized control and unattended functions of the mine air compressor system.
The system integrates industrial control technology and modern software technology to ensure the stability and reliability of the system, and can be networked with the whole coal mine integrated automation system as a subsystem of the whole coal mine automation system.
2、Main functional features：
(1) With various protection to ensure the safe and reliable automatic operation of the air compressor system;
(2) Without human intervention, the motor speed can be automatically controlled according to the underground air volume and wind pressure to maintain a constant pressure value. According to the number of on-site air compressors, multiple air compressors can be operated in tandem;
(3) This system has a single operation function, but also has a multi-table linkage function, can realize both manual maintenance function and automatic operation function,, manual control has priority control, to ensure that even if the system fails, it can also achieve the normal work of the air compressor system under manual control;
(4) Good real-time performance of the system, real-time monitoring and control of the operating conditions of air compressors, gas storage tanks and other equipment.
(5) Local centralized display control box and remote display controller have friendly and vivid human-machine display interface, simple operation, beautiful picture. It can dynamically display static parameters of air compressor, such as pressure, temperature, vibration, noise, voltage, current and other parameters, and can store dynamic and static parameters, historical curves and event alarm records, etc., and can query and print real-time trends and historical trends of any time period;
(6) The human-machine interface displays rich, graphic and intuitive content, and the operation is simple and easy to understand.
(7) With protection action alarm function;
(8) A large number of control strategies are embedded in the software, which can make different decisions according to the actual situation, greatly improving the degree of automation and intelligence of the system;
(9) Depending on the specific situation at different times, the operating parameters of the software can be adjusted to adapt to complex situations, improving the adaptability of the system;
(10) The system is capable of remote monitoring;
(11) With third-party collaborative control interface, it can communicate and read/write parameters with VFD, medium voltage switchgear, multi-function instrument, etc;
(12) Equipped with explosion-proof intelligent cameras, it can monitor, judge, and alarm the equipment in the air compressor room or monitoring area in real time through various angles such as sound, image, and signal;
(13) With equipment status data collection, automatic analysis and early warning functions；
3、System diagram
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