Detection of hydrogen leaks from storage tanks and fuel supply systems to engines of mining transport operating on hydrogen

In the mining industry, the work system relies on equipment that consumes large amounts of energy. In mining operations, diesel equipment is widely used due to its flexibility, load capacity and adaptability to various terrain conditions. However, it has high diesel consumption and high greenhouse gas emissions, mainly carbon monoxide. Using hydrogen as a fuel not only offers the opportunity to decarbonize transportation and the mining industry, but also significantly reduces local air pollution. The list of possible objects for using the proposed hydrogen technology includes: diesel power plants, high-voltage diesel distillation stations, mining excavators, drilling rigs, diesel-powered loading and hauling vehicles and others. The use of hydrogen as a fuel to drive engines of power plants and transport facilities in the mining industry requires the development of equipment to control the leakage of hydrogen from storage elements and fuel supply to the engines. The solution to the problem of monitoring hydrogen leaks from fuel tanks of mining vehicles and power equipment that ensures the operation of mining enterprises using Raman lidar is considered. It is shown that at a laser radiation wavelength of 532 nm it is possible to obtain the minimum time for measuring the hydrogen concentration in the air with a Raman lidar at a given sensing distance. It was found that lidar sensing from geostationary orbit at a laser radiation wavelength of 532 nm also provides the minimum measurement time for a given concentration of the hydrogen molecules under study.

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