Intelligent spraying installation for dust control in mine workings

Abstract

Design solution of an intelligent spraying installation for dust control in mine workings, developed within the ROCD project is presented. Current solution for reduction of airborne dust in the underground mining industry is described. Design as well as principles of operation of new solution based on the adaptive operation, consisting in adaptation of spraying intensity to the measured dust concentration are discussed. In conclusions, the directions of further research project are pointed out.

Optimization of the Combined Ventilation System for Dust Reduction in Blind Headings of Potash Mines

“…The research conducted by Polish scientists of the Institute of Mining Technology [8] substantiates the effectiveness of an intelligent system for dust suppression of mine headings by liquid spraying and creating a wet curtain. The authors of the study propose a unit that uses compressed air and water.…”

Selection of operational parameters for a smart spraying system to control airborne PM10 and PM2.5 dusts in underground coal mines

“…Efficiency of PM 10 and PM2.5 dust dust reduction using three tested spraying devices (CZP BRYZA, TELESTO, PNIÓWEK) [Bałaga, 2019] The air-water spraying solutions presented in Fig. 2 significantly reduce airborne PM 10 dust levels and so improve the miners safety and work comfort of.…”

“…Studies on PM 2.5 dust indicate that this fraction causes human diseases, mainly related to the cardiovascular system. The KOMAG Institute has therefore designed a new SSD-1smart spraying device, , which will control both PM 10 and PM 2.5 dust [Bałaga, 2019]. The effectiveness of the device will be assessed in underground tests.…”

“…Currently used spraying devices produce droplets of unknown sizes and velocity and do not respond to changing dust concentration. With knowledge of the theoretical background, and having experience from several hundred installations of spraying devices [Bałaga et al, 2015] [Prostański, 2018, a team of KOMAG designers has developed a new smart SSD-1spraying device, the, for use in roadways [Bałaga, 2019]. The operational principle of the device is to produce water droplets with diameters close to the size of the dust particles, and to maintain a high output energy from the nozzles by using water combined with compressed air (Fig.…”

“…5) . 3D visualisation of the new SSD-1 smart spraying system [Bałaga, 2019] The prototype of the SSD-1 device has several spraying units installed on the perimeter of the roadway support, to which water and compressed air are supplied from special units. Both water and compressed air flow through one of the three supply lines, within which the pressure is adjusted by reduction valves.…”