Dust generated during mining operations is characterized by its fine particle size, wide dispersion range, and susceptibility to secondary dust generation, posing a serious challenge to safety production, employee health, and environmental protection. Traditional single-method dust suppression techniques, such as simple water spraying, are no longer sufficient to meet the needs of modern green mining operations. This paper aims to provide a comprehensive, efficient, intelligent, and adaptable dust control solution covering the entire mining process.

I. Core Challenges: Four Major Difficulties in Mining Dust Control

Numerous and widespread dust sources: From drilling, blasting, crushing, loading and unloading to transportation, dust generation occurs throughout the entire process, and most of it takes place in open or semi-open spaces, making dust dispersion extremely easy.

Complex physical and chemical properties of dust: Ore dust (especially silica dust) is highly harmful to human health, and some metal mine dust is explosive, posing special requirements for the safety and filtration materials of dust control equipment.

Harsh working conditions: Equipment needs to adapt to harsh environments such as high humidity, high altitude, large temperature differences, and vibrations, requiring extremely high equipment reliability.

Balancing operating costs and control efficiency: The treatment area is large, and if the design is unreasonable, it can lead to huge energy consumption, while the dust suppression effect is not ideal.

II. Systemic Solution: A Four-Pronged Approach for Precise Control

We advocate "source-based control and systematic prevention," combining the following technologies based on the characteristics of different dust-generating processes to form a multi-faceted control network.

1. Mobile Dust Sources and Open Areas: Intelligent Dust Suppression System

Target: Mining faces, post-blasting areas, transportation roads, temporary stockpiles.

Solution: A combination of "remote misting cannons + microbial dust suppressants".

Remote misting cannons: Can atomize water to 50-200 microns, precisely spraying it hundreds of meters away, settling dust through particle collision and agglomeration, saving more than 60% of water compared to ordinary watering.

Environmentally friendly dust suppressants: Sprayed on transportation roads and long-term stockpiles, they form a solidified layer on the material surface, effectively preventing wind-blown dust, with effects lasting for several weeks.

2. Fixed High-Concentration Dust Sources: High-Efficiency Enclosed Collection System

Target: Underground drilling rigs, crusher feed inlets, screening stations, conveyor belt transfer points.

Solution: Implementing "enclosed hoods + high-efficiency dust collectors".

Enclosure and capture: Local or overall enclosure of dust-generating equipment, designing reasonable capture hoods to ensure efficient dust capture with minimal airflow.

Core purification equipment: Selecting explosion-proof cartridge dust collectors. Their core advantages are:

High-efficiency filtration: Filtration efficiency ≥99.9% for respirable dust (PM5 and below). Compact and Energy-Efficient: The equipment is small in size, suitable for underground or platform installation; pulse cleaning reduces resistance and minimizes operating energy consumption.

Safety and Explosion-Proof: For metal mine dust, anti-static filter cartridges, explosion vents, and explosion-proof valves can be optionally configured.

3. Long-Distance Conveying Process: Intelligent Spray Dust Suppression at Transfer Points

Target: Dust generated by the drop of ore at various transfer points on the conveyor belt.

Solution: Install a dry fog dust suppression system. Special nozzles generate "dry fog" with a particle size of 1-10 microns, similar to the dust particles. This results in excellent collision and agglomeration effects without making the material excessively wet, thus not affecting subsequent processes.

4. Intelligent Control and Centralized Management

Establish an online monitoring and intelligent spray linkage platform for mine dust. 

Dust concentration sensors are deployed in key areas. When the data exceeds the limit, the system automatically activates the corresponding mist cannon or spray device, achieving "on-demand treatment" and significantly reducing water and electricity consumption and labor costs.

Conclusion

Mining dust control is a systematic project that requires comprehensive planning. Our solution, through a combination of strategies including "mobile dust suppression, fixed dust collection, process dust control, and intelligent dust management," not only effectively ensures that dust concentrations in the workplace meet standards, 

guaranteeing safe production and occupational health, but also significantly reduces fugitive emissions, helping mining enterprises achieve green, intelligent, and sustainable high-quality development.

With professional technology, we restore the natural environment of mines. We provide full-process services, from on-site surveys and solution design to equipment supply and installation and commissioning, helping you build a clean mine.