What Is a Silicon Carbide Cyclone Cone Liner?
A silicon carbide hydrocyclone cone liner is the wear-facing ceramic part fitted inside the cone section of a hydrocyclone or cyclone separator. It sits between the abrasive slurry and the steel housing, so the tapered flow path keeps its shape as solids wear the cone wall. The liner is a separate component from the housing, backing, fasteners and the complete cyclone.
Silicon Carbide Cone Liner Specification and Custom Sizes
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Silicon Carbide Cone Liner |
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Item No. |
Diameter（mm) |
Height (mm) |
|
AT-SIC-ZT1001 |
Customize |
↓Download Size Guide
Technical Specifications of Silicon Carbide Cyclone Cone Liner
The cone liner is supplied in one of two dense silicon carbide routes. Values below apply only after the route and grade are fixed on your order; neither column is a blanket guarantee for every liner we make.
| Property (selection value) |
RBSiC · reaction-bonded |
SSiC · sintered |
| SiC content |
85 wt% nominal, with a residual silicon phase |
≥99 wt% |
| Bulk density |
≥3.02 g/cm³ |
3.10 g/cm³ typical |
| Open porosity |
≤0.1 vol% |
<0.1 vol% |
| Flexural strength at 20 °C |
250 MPa |
380 MPa |
| Compressive strength |
Not listed in the current grade table |
≥2600 MPa |
| Young's modulus at 20 °C |
330 GPa |
420 GPa |
| Application-temperature ceiling |
1380 °C |
1600 °C |
| Flexural strength at 1200 °C |
280 MPa |
Not listed in the current grade table |
Silicon Carbide vs Alumina, Polyurethane, and Steel Cyclone Liners
| Liner Material |
Best Fit |
Limitation |
When SiC Is Preferred |
| Polyurethane / Rubber |
Lower-impact slurry and cost-sensitive replacement parts. |
Can deform, swell, or wear faster under sharp particles and high slurry velocity. |
Use SiC when dimensional stability and long service intervals are more important than initial part cost. |
| Alumina Ceramic |
General abrasive slurry and moderate wear zones. |
May be less suitable where impact, corrosion, or complex cone geometry creates higher failure risk. |
Use SiC when abrasive minerals, corrosion, or high-velocity flow cause faster alumina liner wear. |
| Steel / Alloy |
Structural support and lower-abrasion duties. |
Vulnerable to corrosion, pitting, and wall thinning in aggressive slurry systems. |
Use SiC when corrosion and erosion occur together in the cone section. |
| Silicon Carbide |
High-abrasion, corrosive, and process-critical cyclone zones. |
Requires careful handling and accurate installation because it is a hard ceramic material. |
Use SiC when the liner must maintain cone geometry, surface stability, and predictable wear behavior. |
How to Specify a Cone Liner for Your Hydrocyclone
1. Identify the Cone Position
- Provide the cyclone model and upper or lower cone position.
- Confirm a one-piece or segmented liner, including segment count.
2. Define the Cone Profile
- Specify both end bores, axial length and cone angle. Identify the included or half-angle and its reference datum.
- For worn parts, compare diameters at matching axial positions, not only at the flange.
3. Confirm the Mounting Interfaces
- Provide housing bore, locating diameters, end faces, steps, grooves and joint layout.
- Include backing, adhesive or clamping details to define how the liner is supported.
4. Match the Material to the Slurry
- Provide the medium, solids concentration, particle sizes, pH, additives and operating temperature.
- Review RBSiC or SSiC with the drawing and support arrangement.
5. Provide a Drawing or Existing Part
- New designs: Cone drawing, revision and mating housing details.
- Replacements: Existing liner, equipment identification and installation photos taken before removal.
Packing a Tapered SiC Cone Liner for Shipment
- Individual protection: Fitted foam cradles keep tapered walls and end faces clear of crate sides.
- Freight preparation: Crates are braced, strapped and palletized for sea or air shipping.
- Assembly order: Liner sets are packed in installation sequence.
Slurry Applications for SiC Cone Liners
Silicon carbide cyclone cone liners are used in hydrocyclone and cyclone separator systems where abrasive or corrosive slurries cause rapid wear in the cone section. They help protect the flow path, maintain cone geometry, and support more stable separation performance in mining, drilling mud processing, and chemical slurry classification.
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Mineral Classification & Ore Processing
Hydrocyclones in gold, copper, iron and lithium processing handle abrasive feeds with varying solids concentrations and particle characteristics. Wear along the cone wall gradually changes the internal profile and can affect classification performance. Replacement liners should therefore be reviewed against the wear history of the actual installation.
1. Design focus: Maintain the cone profile, identify concentrated wear areas and review joints in segmented liners.
2. Key information: Ore type, slurry composition, solids loading, particle distribution, cone position and operating hours. Photographs showing where wear begins help define the replacement.
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Desander & Desilter Systems
Drilling fluids may contain sand, salts, debris and treatment chemicals. Cone liners must suit both the abrasive feed and the chemical conditions throughout the planned maintenance interval. Housing condition also matters: repaired or re-machined seats can change the support and fit of a replacement liner.
1. Design focus: Match the cone geometry and seating surfaces, with consistent support and suitable material compatibility.
2. Key information: Cone model, solids and debris content, mud chemistry, housing support details and replacement interval. Include any changes made to the original housing.
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Chemical Slurries & Wet FGD
Chemical classification requires compatibility with the process fluid, concentration and temperature. Wet flue-gas-desulfurization applications also combine abrasive limestone or lime solids with potentially corrosive conditions. In both cases, the ceramic, backing, adhesive and other wetted materials need to be reviewed together.
1. Design focus: Select the SiC material route for the actual chemistry and maintain adequate support. Exposed backing or a damaged bond can leave the ceramic vulnerable to cracking.
2. Key information: Fluid composition, pH, additives, suspended solids, chloride level where relevant, operating temperature and existing backing or adhesive.
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Ceramic Powder & Pigment Processing
These applications require control of contamination as well as wear. Material shed from a liner can introduce unwanted particles into products that depend on particle-size control and colour consistency. The liner surface must also suit the cleaning process used between products or batches.
1. Design focus: Evaluate surface stability, wear contamination and cleaning compatibility under representative process conditions.
2. Key information: Particle characteristics, slurry chemistry, contamination limits, surface-finish requirements and cleaning procedures. Include cleaning agents, concentrations, temperatures and frequency when defining the service conditions.
SiC Cyclone Cone Liner Handling & Installation
Protect the liner from impact, uneven loading and contamination. Follow the assembly drawing for seating, fastening and support requirements.
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Handling Before Installation
1. Support the body. Use the outer wall or designated lifting points. Avoid lifting by the small-end edge or joint faces.
2. Use padded supports. Rest the liner in its foam cradle or on clean, padded timber.
3. Keep it protected. Leave the wrapping on until installation and keep surfaces clean and dry.
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Installation
1. Check the housing. Verify bore, seat and step dimensions. Remove burrs and debris; never force alignment with fasteners.
2. Clean mating surfaces. Remove particles from the housing seat and liner faces before assembly.
3. Tighten evenly. Apply fasteners progressively using the sequence and torque specified on the drawing.
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Monitoring & Maintenance
1. Inspect during shutdowns. Check the small end and joints for chips, uneven wear, gaps and signs of slurry bypass.
2. Track performance. Compare underflow density and cut size with operating records. Check feed changes alongside liner wear.
3. Control oversized solids. Use appropriate feed screening where the circuit allows, and monitor sudden solids increases.
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Storage
1. Store clean and dry. Keep liners in their cradles, away from vibration, corrosive vapours and abrasive dust.
2. Separate stored parts. Use protective pads; avoid rim-to-rim stacking or loading the small end.
3. Label each liner. Record the drawing number, material route, batch and intended cone position.
