Carbide Ceramic Lined Pipe
Carbide Ceramic Lined Pipe - ceramic wear resistant product
Cast basalt composite pipes are widely used at ash discharge ports of power plants to withstand severe abrasion from high-velocity ash flow.
The ash discharge port in a power plant is one of the most severe wear zones in the entire ash handling system. High-velocity fly ash and bottom ash particles continuously impact pipeline walls, causing rapid erosion and frequent maintenance issues in conventional steel pipes.
Cast basalt composite pipelines are specifically designed to protect these critical discharge points. By combining a steel structural shell with an ultra-hard cast basalt lining, the system significantly improves wear resistance and extends service life under extreme operating conditions.
This solution is widely used in coal-fired power plants, biomass plants and waste-to-energy facilities where ash is continuously discharged under pressure.
The discharge outlet area experiences the highest particle velocity and turbulence in the entire ash conveying system. This results in localized erosion that can quickly damage conventional pipelines.
Cast basalt lining provides a dense crystalline structure with Mohs hardness of 8–9, offering excellent resistance against abrasive ash particles.
The result is a highly reliable ash discharge system with reduced downtime and significantly lower maintenance cost.
The ash discharge port is exposed to a combination of high velocity flow, abrasive solid particles and directional turbulence. These conditions create a concentrated wear zone that accelerates material loss.
Unlike straight pipeline sections, discharge points often involve sudden expansion, direction change and pressure release, which intensifies particle impact on pipe walls.
Without proper wear protection, steel pipelines at ash discharge ports can fail within a short operating period, leading to unplanned shutdowns.
| System Area | Material Flow | Wear Level |
|---|---|---|
| Fly Ash Discharge Outlet | Fly Ash | Very High |
| Bottom Ash Discharge Port | Bottom Ash | High |
| Boiler Ash Outlet Line | Hot Ash Particles | Very High |
| Economizer Ash Outlet | Fine Ash Dust | High |
| Layer | Function |
|---|---|
| Steel Outer Shell | Provides pressure resistance and mechanical strength. |
| Bonding Layer | Ensures secure fixation of basalt lining. |
| Cast Basalt Lining | Protects against abrasion, erosion and high-speed particle impact. |
Handles high velocity ash impact effectively.
Significantly reduces replacement frequency.
Reduces leakage and unexpected shutdowns.
Minimizes repair and downtime expenses.
| Property | Cast Basalt Composite Pipe | Carbon Steel Pipe |
|---|---|---|
| Wear Resistance | Excellent | Poor |
| Service Life | Very Long | Short |
| Maintenance Frequency | Low | High |
| Failure Risk at Discharge Port | Low | Very High |
12 Products
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