Dust Control in Underground Mining

Dust Collectors: A Vital Component of Effective Dust Control in Underground Mining

Airborne dust generated during underground mining presents a significant health and operational risk, particularly in confined environments with limited natural airflow. Respirable Crystalline Silica (RCS) and other fine airborne particles released during drilling, crushing, hauling, and material transfer can accumulate rapidly and cause serious respiratory diseases if left uncontrolled.

Mobile dust collectors provide a proven engineering control by capturing hazardous dust directly at the source. These systems draw dust-laden air through high-efficiency filtration, removing fine particulate matter before exhausting clean air back into the underground working environment. By positioning dust collectors close to dust-generating equipment, operators can control multiple sources simultaneously and create safer, more productive underground work areas.

As a result, mining operations can run several excavation and development activities in parallel, improving airflow management, reducing reliance on primary ventilation, and delivering measurable operational efficiencies.

Investing in dust collection systems goes beyond regulatory compliance. It represents a long-term commitment to worker health, environmental responsibility, and sustainable underground mining practices. Furthermore, advances in dust control technology continue to improve filtration performance, energy efficiency, and environmental outcomes.

Grydale – Transforming Underground Dust Control

For more than a decade, Grydale has led the transformation of dust control in underground mining by developing innovative, industry-leading solutions. This includes our internationally patented track-mounted mobile dust collectors, designed specifically for demanding underground environments.

Our in-house engineering team works closely with mining operations to specify the most effective dust collector or ventilation solution for each project. We assess required air volumes, power supply options, and mobility configurations, while also offering custom-engineered systems to suit site-specific constraints and operational requirements.

Ventilation & Dust Control in Tunnel Construction and Underground Mine Development

JMS-50-MHT – Providing Dust Collection During Excavation

Benefits of Grydale Mobile Dust Collectors in Underground Mining

Mobile dust collectors play a critical role in controlling airborne dust in underground mining environments. By targeting specific dust-generating operations and equipment, these systems help mines reduce worker exposure, support regulatory compliance, and maintain efficient, continuous operations.

Controlling Dust at the Source

Controlling dust at the source allows fine particles to be captured before they spread through the mine. By positioning mobile dust collectors close to high dust-generation areas, such as ore chutes, crushers, haulage ways, and material transfer points, operators significantly reduce the impact of dust on underground activities.

As ore transfers between conveyors, localised dust extraction reduces reliance on the main ventilation system and improves overall airflow efficiency. In addition, capturing dust directly at the source limits contamination of adjacent work areas.

Dust collectors can also extract dust from underground drilling operations. Consequently, multiple processes can operate at the same time, improving productivity and enabling greater operational efficiency.

Improving Underground Air Quality

Underground mines rely on continuous ventilation to remove harmful airborne contaminants. Mobile dust collectors supplement ventilation systems by actively capturing fine dust at its source. As a result, overall particulate levels decrease, air quality improves, and mines maintain compliance with workplace air quality standards.

Reducing Health Risks

Prolonged exposure to airborne dust, particularly Respirable Crystalline Silica (RCS) and coal dust, can cause serious respiratory diseases such as silicosis and pneumoconiosis. Mobile dust collectors significantly reduce airborne particulates, forming a key part of an effective underground dust management strategy and helping protect long-term worker health.

Protecting Equipment and Infrastructure

Dust does more than impact health, it also accelerates wear on underground mining equipment. By maintaining cleaner operating environments, dust collectors help prevent dust ingress, reduce blockages, and extend the service life of machinery and ventilation components.

Integration with Ventilation Systems

Grydale mobile dust collectors can integrate directly with underground ventilation ducting. This prevents dust recirculation, supports clean air distribution, and improves the overall efficiency of the mine ventilation network.

Grydale dust collectors can be fitted with real-time monitoring systems that track filter performance, dust loading, and airflow conditions. As a result, operators can respond quickly to changes in dust levels, maintain consistent performance, and reduce unplanned downtime.

Summary

By strategically deploying mobile dust collectors underground, mining operators can control dust at the source, protect worker health, comply with regulations, and improve operational efficiency across the mine.

Grydale Mobile Dust Collectors – JMS M-Series

Grydale JMS M-Series mobile dust collectors are designed for underground mining environments where dust must be captured directly at the source. Because the units are mobile, operators can position them quickly and precisely where dust is generated.

Skid-mounted dust collectors can be craned or dragged into position, making them ideal for constrained underground spaces. Alternatively, track-mounted units are self-propelled, allowing them to move independently or operate alongside dust-generating equipment as work progresses.

JMS M-Series Dust Collector Options

  • Air volumes: 6 m³/s (12,000 CFM) to 60 m³/s (125,000 CFM)</li
  • Power options: Diesel, electric, or hybrid
  • Mobility configurations: Skid-mounted, track-mounted, or castor-wheel

In addition, Grydale’s in-house engineering team supports equipment selection and ducting design. As a result, sites receive a dust collection solution matched to airflow requirements, layout constraints, and underground ventilation needs.

Large Volume Mobile Dust Collectors – Key Benefits

Large air volume mobile dust collectors can replace multiple smaller units. Consequently, underground mining operations benefit from simpler, more efficient dust control systems.

Benefits of a Single Large Dust Collector

  • Faster and simpler system set-up
  • Reduced space requirements underground
  • Lower freight and logistics costs
  • Reduced operating and maintenance costs

By contrast, using multiple smaller dust collectors often requires subdividing work areas and installing several duct runs. In addition, sites must allocate more resources to operate and maintain multiple machines. Over time, this increases complexity, labour requirements, and total maintenance costs.

JMS-30-MDT - Mobile Dust Collector Image

Flexible Investment Options. Purchase or Short-Long Term Rental.

Dust Collector Purchase Options

Grydale offers new and refurbished dust collectors for immediate purchase, helping underground mining operations avoid long lead times. In addition, our Queensland-based, local manufacturing facilities allow us to build and customise systems quickly to meet site-specific dust control and ventilation requirements.

As a result, customers gain faster deployment and reliable long-term dust control solutions.

Mobile Dust Collector Rental Options

Alternatively, Grydale operates one of Australia’s largest rental fleets of mobile dust collectors, with airflow capacities ranging from 6 m³/s (12,000 CFM) to 60 m³/s (125,000 CFM). This wide range allows mining sites to match air volume precisely to their underground application.

These rental dust collectors provide an effective temporary dust control and ventilation solution for underground mining operations. For example, sites commonly use rental units during shutdowns, maintenance periods, and while waiting for permanent dust collection systems to be manufactured or installed.

Why Choose Grydale Rental Dust Collectors

  • High-volume airflow for underground mining and processing plants

  • Short, medium, and long-term rental options

  • Dry hire and wet hire arrangements available

  • On-site operator familiarisation and support

  • Fully serviced and maintained equipment, ready for immediate use

Meanwhile, Grydale performs scheduled and preventative maintenance across the rental fleet. Consequently, every unit arrives on site fully serviced and maintained by the same team that designs and builds our dust collectors, giving you confidence in performance, reliability, and compliance.

Client Case Studies. Dust Control in Underground Mining.

JMS-50-MES Mobile Electric Skid Dust Collector in transit to Underground Mine

Client: Gold Mine, NSW
Application: Underground Mining
Solution: JMS-50-MES Dust Collectors

JMS-50-MES dust collectors have been used to support the existing ventilation system of an underground gold mine in NSW.

More Information? Contact Us. 

If you would like more information on our mobile dust collector rental fleet please complete the form below.

We try to respond to requests on the same business day, however if your enquiry is urgent please call our team on +61 1300 929 349. Our office hours are between 07:00 and 17:00 (AEST) Monday to Friday.