At present, the investment in China's coal mines in emergency response focuses on large-scale equipment such as drilling, drainage, and escape capsules. The investment in emergency rescue communication systems is insufficient, and the investment in communication systems emphasizes on the ground, such as communication command vehicles and communication command software. For example, there are few intrinsically safe communication equipment that can be used in coal mines and are used by emergency rescue personnel. There are problems in investment orientation and investment difficulty, and indeed there is a lack of real applicable downholes. Emergency rescue communication system.
The emergency communication system is the “eyes, ears, noses, and throats†of post-disaster emergency rescue of coal mines. It can timely understand the environment and personnel information of underground disaster sites, direct the development of underground rescue operations in real time, and improve the efficiency of the use of rescue equipment and manpower.
1. Coal Mine Safety Monitoring and Monitoring System Solution
Coal mine safety monitoring and control system consists of sensors, actuators, substations, power supply boxes (or electric control boxes), main stations (or transmission interfaces), hosts (including displays), system software, servers, and network interfaces. The system is used to monitor methane concentration, carbon monoxide concentration, carbon dioxide concentration, oxygen concentration, wind speed, temperature, smoke, feed status, throttle status, hairdryer status, local fan startup and shutdown, main fan startup and shutdown, etc., and achieve methane Exceeding sound and light alarm, power off and methane wind power blocking control. This system is one of the effective measures for the prevention and control of major accidents such as gas, fire, impact ground pressure and coal dust.
2. Coal mine personnel position monitoring system
Coal mine underground personnel position monitoring system (hereinafter referred to as "personnel positioning system") is one of the "six major systems" for underground coal mine safety hedging. Coal mine personnel position monitoring system is also called coal mine underground personnel positioning system and underground coal mine personnel management system. Coal mine underground personnel position monitoring system has personnel position, time of entering and leaving the well of card carrying personnel, time of entering and exiting key areas, time of entry and exit of restricted areas, working hours, number of personnel downhole and in key areas, and underground activities such as monitoring, display, printing and storage. Inquiries, abnormal alarms, road tracking, and management functions play an important role in deterring overcapacity production, accident emergency rescue, leadership and shift management, special operations personnel management, and downtime operations.
3. Emergency Hazard Protection System
The emergency hedging system is the core content of the “six major systems†for underground safety hedging. The construction and management of emergency hedging systems are the key and difficult issues in the construction and improvement of the “six major systems†for safety hedging. The rational design, construction, maintenance, and management of emergency hedging systems are particularly important for building and improving the overall function of the safety and hedging system, guaranteeing the safety of people in distress and reducing the impact of disasters. It is an important part of coal mine safety production.
4, pressure wind self-rescue system
The air pressure self-rescue system is to use the air pressure system of the mine to provide a safe and reliable air source for the air pressure self-rescue device, and to achieve a self-rescue air supply system for underground evacuees.
5, water supply rescue system
As one of the “six major systems†for coal mine safety production, the water supply and rescue system can meet the needs of mine production, dust prevention, drilling and other water use during the normal mine production period; when the mine disaster occurs, it can play the role of fire fighting and fire fighting. Ability to deliver drinking water and nutrient solutions to people in trapped areas. The construction of a water supply and rescue system can effectively contain particularly serious accidents in coal mines and effectively reduce the hazards of mine gas, coal dust, and fire accidents.
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