Contact Details:

TUNRA Bulk Solids
TA Building
University Drive
Callaghan NSW 2308
Australia
Ph: +61 2 4921 7127
Fax: +61 2 4921 6094

Our Services - Laboratory & Consultancy

At TUNRA Bulk Solids, we complete between 150 and 200 consultancy projects each year, which cover the entire spectrum of bulk solids handling and storage applications. We are the leaders in providing conceptual solutions to any bulk materials related task or problem that may occur in your plant. At TUNRA Bulk Solids, we have comprehensive laboratory test facilities and a dedicated staff to help you overcome existing handling problems and assist you planning projects to ensure trouble-free plant operation. Contact us or download a brochure here.

We are experienced in everything that is "BULK SOLIDS", including:

Materials Testing:

Materials Handling Equipment Consultancy:

Flow Properties Testing
Worst Case Handling Moisture Determination
Critical Cohesive Arching Dimensions
Required Mass Flow Geometry
Wall Friction Characteristics
Adhesion Properties
Internal Friction Angles
Effects of Time Consolidation and Vibration
Repose Angles
Bulk Material Compressibility
Solids & Particle Densities
Particle Size Analysis (Sieve & Laser)
Transportable Moisture Limit (TML)
Fluidisation, De-Aeration and Air-Retention

Dust (Environmental) Testing
Dust Extinction Moisture Determination to AS4156.6-2000
Stockpile Material/Dust Lift-Off
Stockpile Veneer Treatment Efficiency Testing

Abrasion, Erosion & Attrition
Abrasive Wear Characterisation
Erosion Testing (ASTM G76)
Slurry Wear Tests
Drop Shatter Tests (AS4156.8-2007 for coal)
Wear Liner Lifetime Estimates
Wear Liner Comparison

Belt Conveying
Idler Roll Rim Drag Measurements
Breakaway, TIR and Dynamic Imbalance Measurements
Indentation Rolling Resistance Measurements
Motion Resistance Measurements
Conveyor Belt Elongation Testing
Conveyor Belt Tensile Strength Testing
Dynamic Mechanical Testing of Conveyor Belt Viscoelastic Properties
Conveyor Surcharge Angles
Maximum Conveyor Inclination Angle

Pneumatic Conveying
Fluidisation, De-Aeration and Air-Retention
Assessment for Dense Phase Conveying
Flow Mode Visualisation
Full Scale Conveying Testing

Hydraulic Conveying
Determination of Shear Viscosity Using Rotational Viscometer
Evaluation of Pumping Characteristics
Malvern Dispersed Particle Size Distribution
SEM Particle Size and Shape Evaluation

Bulk Storage Facilities
Stockpile Draw-Down Geometry Calculations
Live Capacity Optimisations
Bin Designs
Wall Load Calculations to AS3774-1996

Belt Conveying
Design Reviews and Audits of New and Existing Systems
Motion Resistance Calculations
Optimisation for Overland Systems
Evaluation of the Effectiveness of Belt Cleaning Systems
Conveyor Belt Testing according to AS1333
Contract Research

Feeders
Apron & Belt Feeder Load Calculations
Screw Feeder Design Advice
Screw Torque and Feed Rate Calculations

Pneumatic Conveying Systems and Testing
Scale Modeling
Pressure Drop Prediction
Pneumatic Conveying Characteristics

Transfer Chute Conceptual Designs
Design Audits
Wear & Flow Design Optimisations

Hydraulic Conveying
Initial Pipeline Transport Evaluation for Slurry Systems
Interpretation of Shear Stress & Shear Rate
Slurry Pipeline Prediction

Instrumentation
Strain Gauging
Load Cell Manufacture
Frequency Mode Analysis
Fatigue Testing
Dust Monitoring

General Materials Handling Design Audits

Site Visits

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