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Solutions Engineering 

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Mining

Specialising in the pumping based applications for Mining, Dowdens Pumping & Water Treatment have a large specialist team to assist in the design, supply, sales and service of your industrial pumping needs. With dedicated departments of industry trained engineers, draftsmen, project managers, sales staff and tradespeople including fitters, mechanics, poly welders, machinists, and boilermakers.

Dowdens offer an unmatched range of world-class engineering solutions for any type of water management project for mining. Our services cover all aspects of water engineering and fluid handling resource management for the Queensland mining, commercial and industrial sectors.

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Mining Applications

Dowdens manufactures and supplies various products and systems for open-cut highwall and longwall underground applications. These include underground and above-ground pumping stations, trailer and skid-mounted portable pumping stations, pontoon pumping stations for reservoirs and underground portable fish tanks, AODD sump pumps and much more.

Industries Supplied

Mining Product Options

  • Dewatering Fish Tanks & Pods
  • Trailer Mounted and Skid Pumps
  • Sump Pumps (AODD and Pneumatic Submersible)
  • Control Modules and Systems
  • Piping, Fittings, Valves & Accessories
  • Pressure Reduction Valve Assemblies
  • Portable Solar Eyewash Stations
  • Pressure Setting Spool Piece

World Class Brands

Downdens supplies and services the world's best brands to suit all your mining requirements. 

 

Dewatering PODs and Fish Tanks

Dowdens Pumping and Water Treatment have purpose engineered a range of underground dewatering tanks with a maximum capacity of 14,000L (larger capacities available upon request). 

Portable Fish Tanks are used in underground mines as a part of the water management process. Mine water is collected from sumps and wet areas around the mine by air-operated Wilden pumps and delivered to the Fish Tank. Water level sensors then activate the pump and transfer the collected mine water to the central station, dam or directly out of the mine portal. 

Mine water is typically dirty with coal, rock, and dirt; pumps used are able to handle a slurry product. Fish tanks can be located in hazardous areas and fitted with flameproof motors and control panels with PLC and SCADA.

The tanks are designed to minimise maintenance, with the shape allowing for a self-cleaning action that dramatically reduces the retention of solids. In addition, the tank is equipped with a flanged sump for periodic cleaning. PODS and Fish Tanks are just one of the many dewatering solutions available from Dowdens Pumping & Water Treatment. 

 
 

Trailer & Skid Mounted Pumps

Dowdens Pumping and Water Treatment provide customers with purpose-built solutions. We can either create trailer pumps or skid mounted pumps with electric or diesel options, depending on the application. All feature a single point lift, integral fuel tank with 48hr run time, engine and pump protection, full mine site compliance, with or without electric braking system and can be fitted with a gantry for the suction pipe.

Customised Dewatering Pump System Case Study >>

 

Sump Pumps (AODD and Pneumatic Submersible)

Wilden AODD Pumps

Wilden’s AODD pump technology, invented in 1955 by Jim Wilden, has been proven over the ensuing years to excel when used in severe-duty mining applications. The list is long when naming the applications where mine operators are utilizing Wilden AODD pumps, including:

  • Froth flotation for particulate separation in slurries
  • Leaching of commodity by-products
  • Transfer and treatment of mine tailings
  • Wash bays for large-scale machinery and vehicles
  • Above and below-ground dewatering
  • Water recirculation
  • Water/land reclamation
  • Explosive atmospheres
  • Oil-separation processes
  • On-site bulk fuel transfer

Find out more about Wilden Pumps >>

 
 

Pneumatic Submersible Pumps

Dowdens is the exclusive Australian distributor for ATS2000 pneumatic lube-free submersible Vortex pumps. These pumps are environmentally friendly with world-class leading lubrication-free pneumatic motor and rust-free technology. 

Specifically developed to operate under severe mining conditions, like deep excavations and winces. With exceptional features; low air consumption, lightweight and easy to carry. A combination of toughness, durability, versatility and benefits never seen before. 

 
 

Pressure Reduction Valve Assemblies

At Dowdens we fabricate and fit out a range of pressure reducing stations widely used in underground mining to prevent over-pressuring pipe systems.

Options can include:

  • Rated pressure 16 bar, 25 bar, 40 bar and 50 bar
  • Control valving and piping
  • Hot dipped galvanised finish
  • Lockable isolation valves
  • Victaulic or flanged connections upstream and downstream
  • Capacity to regulate to near Zero flow

35 bar Pressure Reducing Valve Station Case Study >> 

 
 
 

Portable Solar Eyewash Stations

Dowdens Pumping and Water Treatment to design, customise, and install portable and self-contained Solar Eyewash and Safety Shower Station. Commonly used in the mining industry but can also be customised to suit any onsite where Eye Wash Stations are required. 

The Eye Wash Stations are designed and manufactured to comply with Australian Standards AS 4775-2007.

Key Features:

  • The station uses the sun's energy to charge 6V batteries via 2x 95W solar panels.
  • This energy is then stored and converted to 240V power which in turn drives the electric Grundfos pump.
  • The Power Inverter Control Panel contains the solar charger module and the power inverter module.
  • The self-contained Solar Eye Wash and Safety Shower station are designed and manufactured to comply with Australian Standards AS 4775-2007.

Portable Solar Powered Shower and Eye Wash Station Case Study >> 

 

 

Pressure Setting Spool Piece

As filtered water flows vertically from the surface the pressure at the mine level can be several thousand kPa. Normal orifice or flow restrictors induce high velocities in a very short space resulting in cavitation & sonic sound which can erode the components & reduce their effect.

Dowdens Engineering Department designed and developed a Pressure Setting Spool sized specifically to meet the specific duty required. The spool was custom designed using engineered fluid mechanics to reduce the pressure before it entered the valve station, taking part of the load off the station. Pipe supports were also engineered to provide a secure installation of the station.

Pressure Setting Spool Piece Case Study >>

 

Mining Solutions delivered

In our over 45 years of operation, Dowdens had manufactured, supplied and installed many successful mining application solutions. Our in-house manufacturing, product sourcing and installation capabilities have provided our customers with many years of successful site operations.

Common solutions include:

  • Fire Protection Systems
  • Water Truck Fill Stations
  • Solar Pumping Systems
  • Water & Sewage Treatment Plants
  • Containerised Trade Waste Treatment Systems
  • Containerised Fire Pumping Systems
  • Containerised Chlorine Dosing Systems
  • Underground Pump Stations
  • Skid Pump Stations
  • Dust Suppression Systems
  • Pontoon Pump Stations
  • Borehole Pump Stations
  • Pressure Reduction Valve Assemblies
  • Potable Water Systems
  • Vehicle Wash Bays

View All Mining Case Studies >> 

 

 
 

Our Capabilities

Solutions Engineering

Our experienced Solutions Engineering team can offer a range of services including design, manufacture, installation and servicing of all equipment and systems. Our bore and well solutions are adaptable, taking into account that customer requirements change with industry regulations and expectations.

EPC (Engineering Procurement Construction)

Have a large project coming up? Dowdens Pumping & Water Treatment’s EPC Engineering, Procurement and Construction team will carry out the detailed engineering design of the project and procure all the equipment and materials necessary. The EPC Project Team will manage at the site to deliver facilities or systems to meet and exceed our customers’ expectations.

If you are looking for a solution for your next pumping, irrigation, water or sewage treatment challenge, please contact us or follow the links below for more information about our capabilities.

Read our Capability Statement for more information >>

Industry Experience

As Queensland’s leading pumping and water treatment organisation, we have the capabilities and expertise to provide our customers with purpose engineered solutions, which ensure greater productivity.

We understand the requirements to deliver quality products and market-leading solutions that are cost-effective and provide minimal downtime If an issue does arise, we have qualified, experienced infield and workshop based tradespeople to get you up and running.

 
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[featured_case_studies] Pumping and Pipeline System for Clermont Coal Mine@Mine Site Heavy Vehicle Wash Bay

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