Cast Basalt Half Pipe
Cast Basalt Half Pipe - industrial steel pipe
Cast basalt pipe shields are high-performance wear resistant protection components designed to protect pipelines from severe abrasion, impact and corrosion.
Cast basalt pipe shields are protective lining components installed on external or internal pipe surfaces to prevent wear caused by high-velocity abrasive media. The shields are manufactured by melting natural basalt rock and casting it into dense, microcrystalline plates or curved segments.
Compared with steel or rubber protection systems, cast basalt shields offer significantly higher abrasion resistance and longer service life in aggressive industrial environments.
Cast basalt pipe shields are available in various sizes and shapes, including straight pipes, bends, and custom fittings, to accommodate different industrial requirements.
The walls are lined with hexagonal or rectangular tiles. Circular bunker and silos are lined with radial rectangular or hexagonal form pieces, exactly fitting the respective circumference.
Basalt casts are considered the best lining materials for industries dealing with abrasion resistance. The other application areas of basalt casts are bends, lining pipers and trenches.
Cast basalt pipe shields offer a durable and cost-effective solution for protecting industrial piping systems from abrasion and corrosion, thereby enhancing operational efficiency and extending equipment lifespan.
It is usually used in power station boilers. The useful life of tube shield is 3-5years. The tube shield has a variety of material and the selection of the material shall be subject to the original design of the boiler. The tube shield is divided into straight pipe and bend pipe. The main effect of tube shield is to protect the pipe and increase the service life of the pipe.
Effectively protects pipes from abrasive slurry, ash, and mineral particles.
Extremely hard basalt structure resists cutting and sliding wear.
Resistant to acids, alkalis, moisture, and aggressive industrial fluids.
Reduces pipe replacement frequency and maintenance costs significantly.
| Property | Value |
|---|---|
| Hardness | Mohs 8 - 9 |
| Density | 2.9 - 3.1 g/cm³ |
| Compressive Strength | ≥ 400 MPa |
| Water Absorption | < 0.2% |
| Working Temperature | -40°C to 350°C |
| Chemical Resistance | Excellent (Acids & Alkalis) |
| Abrasion Resistance | Excellent |
Installation method depends on pipe diameter, flow velocity, particle size, temperature conditions, and maintenance requirements.
| Performance | Cast Basalt Shield | Steel Plate Protection | Rubber Lining |
|---|---|---|---|
| Wear Resistance | Excellent | Medium | Good |
| Impact Resistance | High | High | Medium |
| Chemical Resistance | Excellent | Low | Good |
| Service Life | Very Long | Medium | Medium |
| Maintenance Cost | Low | High | Medium |
Ceramic lined pipe is made through self-propagating high-temperature synthesis (SHS) technique.
Cast basalt lined steel pipe is composed by lined with cast basalt pipe, outside steel pipe and cement mortar filling between the two layers.
Ceramic tile lined pipes have very uniform coating of specially formulated ceramic material that is affixed to the inner of the pipe.
The material of the rare earth alloy wear-resistant pipe is ZG40CrMnMoNiSiRe, which is also the grade of rare earth alloy steel.
Tubes Erosion Shields are used to protect boiler tubing from the highly erosive effects of high temperatures and pressures thereby greatly extending tube life.
The ASTM A213 T91 seamless tubes are primarily used for boiler, superheater, and heat-exchanger.
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