Warman Krebs Cyclone
Warman Krebs cyclones are hydrocyclones for high-capacity classification in mineral processing. The CAVEX design features a spiral feed entry geometry for improved separation efficiency and capacity compared to standard cyclones . Components include CAVEX rubber liners, apex inserts, and cylinder liners. The Warman Cyclosizer provides fine particle size analysis in the 8-38 micron range. Suitable for mining, mineral processing, and laboratory applications .
Table of Contents
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PRIMARY USES
1. High-Capacity Classification and Separation in Mineral Processing
Primary Use: A line of hydrocyclones (including the CAVEX high-capacity and Krebs designs) used for classification, separation, and dewatering of slurry in mining and mineral processing applications. Essential for grinding circuit classification, desliming, and particle size control in mineral processing operations .
How it helps: For process engineers and plant operators, Warman cyclones deliver efficient particle separation at high capacities. The CAVEX cyclone, a Warman International development, features a unique feed entry design with an internal feed passage that scrolls nearly 360° around the head of the cyclone . This geometry delivers a measurable increase in volumetric flow for the same pressure drop, maintains or decreases the proportion of coarse particles reporting to overflow, and lowers overflow density compared to standard designs . Field trials have demonstrated that the CAVEX cyclones produce superior separation efficiency compared to conventional units .
SECONDARY USES
1. Particle Size Analysis: The Warman Cyclosizer is a specialized instrument for sub-sieve sizing in mineral processing laboratories, capable of size analysis in the 8-38 micron range for quartz-like minerals .
2. Mining and Aggregates: Used for classification in grinding circuits, desliming, and tailings management .
3. Mineral Processing: Applications include ore classification in copper, gold, and base metal processing operations .
4. Laboratory Analysis: The Cyclosizer uses five glass-body cyclones arranged in series for routine testing and plant control .
1. BASIC IDENTIFICATION ATTRIBUTES
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Device Type: Hydrocyclone; not a medical device.
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Brand: Warman (manufactured by Weir Minerals)
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Key Product Lines: CAVEX High-Capacity Cyclone, CAVEX Cyclosizer, Krebs D26B replacement.
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Key Components: Inlet feed head, vortex finder, cylinder, cone sections, spigot/apex.
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Country of Origin: Australia (design), Italy (manufacturing of Cyclosizer).
2. TECHNICAL & PERFORMANCE PROPERTIES
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Primary Action: Solid-liquid classification via centrifugal forces.
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CAVEX Design Feature: Internal feed passage scrolls nearly 360° around the head, spiraling downwards into the cone section with increasing curvature .
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Krebs Standard Design: Internal feed passage wraps 75° around the head .
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CAVEX Capacity Benefit: Measurable increase in volumetric flow at the same pressure drop .
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CAVEX Separation Benefit: Maintains or decreases coarse particles in overflow and lowers overflow density .
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CAVEX Wear Life: Improved wear life compared to standard Krebs cyclones based on field trials .
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CAVEX Cyclone Dimensions (650mm Model): Diameter 650mm, Inlet 211mm, Vortex Finder 290mm, Spigot 150mm, Cyclone Length 2743mm, Cone Angle 18° .
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Krebs Standard D26B Dimensions: Diameter 660mm, Inlet 192mm, Vortex Finder 254mm, Spigot 152.4mm, Cyclone Length 2735mm, Cone Angle 20° .
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Cyclosizer Specification: Complete system with 5 glass body cyclones, internal pumps, piping, valves, and gauges, 0-60 minute timer, 230V/50-60 Hz operation .
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Cyclosizer Capacity: Shipping weight 880 lbs; price range $45,000 to $73,000 .
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Cyclosizer Cut Sizes (on quartz): C1=45, C2=34, C3=24, C5=16, C6=11.5 microns .
3. PHYSICAL & OPERATIONAL PROPERTIES
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Installation: Cyclones arranged in radial clusters, known as cyclopacs, where each cyclone can be isolated for maintenance .
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Wear Components: Wear-prone parts include apex/spigot, liners (rubber or urethane), and internal components .
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Material Options: Rubber and urethane liners available for wear protection .
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Maintenance: Apex portion subject to high wear and must be frequently inspected and replaced periodically .
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Interchangeability: Aftermarket rubber liners and replacement parts available for CAVEX cyclones .
4. SAFETY & COMPLIANCE ATTRIBUTES
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Safety Classification: Industrial processing equipment; standard industrial safety measures apply.
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Compliance: Designed to meet relevant industry standards for mining and mineral processing.
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Accessibility: Cyclopac design allows isolation of individual cyclones for maintenance without taking the entire system offline .
1. SAFETY PRECAUTIONS
Personal Protective Equipment (PPE): Always wear appropriate PPE, including safety goggles, hard hats, hearing protection, gloves, and steel-toed boots when handling or maintaining cyclone components.
Lockout/Tagout: Always isolate and lock out the cyclone feed system from its power source before beginning any maintenance or inspection work.
Pressure Hazard: Cyclones operate under pressure. Depressurize the system before opening any ports or performing maintenance.
Wear Monitoring: Inspect apex and liners regularly. A narrower apex will wear out faster and may indicate process changes .
Training requirement: Maintenance personnel must be properly trained on the safe and correct procedures for handling and installing cyclone components.
2. FIRST AID MEASURES
Eye Exposure: If slurry or chemicals splash into the eyes, flush immediately with plenty of clean water for at least 15 minutes, holding eyelids open. Seek medical attention.
Skin Contact: Remove contaminated clothing. Wash exposed skin with soap and water. If irritation develops or chemical burns occur, seek medical attention.
Inhalation: If chemical fumes or dust are inhaled, move to fresh air. If symptoms persist (coughing, difficulty breathing), seek medical attention.
3. FIRE FIGHTING MEASURES
Flammability: The cyclone is not flammable. Use extinguishing media appropriate for surrounding equipment and materials.
Extinguishing Media: Use water spray, foam, dry chemical powder, or carbon dioxide (CO₂) for fires involving electrical equipment.
Fire Response: In the event of a fire, evacuate the area and call emergency services. Use appropriate extinguishers.
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