Cast basalt half pipes have an excellent performance of high
abrasive and high corrosion resistance. Cast basalt is a mineral
material produced by melting natural basalt at a temperature of
approximately 1300°C, followed by casting into moulds. This
contributes to its superb physical and chemical properties.
Cast basalt half pipe is a common component of the heating part of
tubes. 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.
Cast basalt pipe shields are designed to eliminate major
maintenance and downtime costs from boiler and condenser tube
failure.
We offer cast basalt tiles for coal bunkers and chutes. These cast
basalt tiles are bedded as well as jointed in cement/special
bonding agents like resins depending upon application. These tiles
mostly find application in automotive industry and are designed to
provide long-lasting lining and enhancement to involved operational
life cycle for both plant as well as equipment.
Data of cast basalt tiles
Chemical component
| SiO2 | Al2O3 | Fe2O3 | TiO2 | CaO | MgO | K2O | Na2O | FeO | P2O5 | MnO |
|---|
| 42-45% | 13-16% | 13-14% | 0.022 | 10-12% | 10-11% | 0.045 | 0.045 | 13-14% | <1% | <1% |
Physical property
| NO. | ITEM | PERFORMANCE VALVE |
|---|
| 1 | Specific gravity | 2.9-3.05gm/cc |
| 2 | Compressive strength | 3000-4500kg per sq cm(min) |
| 3 | Bending strength | 300kg per sq cm(min) |
| 4 | Water Absorption | 0 |
| 5 | Solubility in Acids | 0.006 |
| 6 | Hardness | 8(MIN.)Moh Scale |
| 7 | Modules of elasticity | 11.1×104N/mm2 |
| 8 | Expansion coefficient (room temperature to 60°C) | 0.75×10-5/K |
| 9 | Thermal Conductivity | 1.15W/mk |
| 10 | Special Heat Capacity | 0.8kj/Kg.K |
| 11 | Highest Temperature For application | 350°C |
Advantages:
* Utilizing Cast Basalt enhances and improves operational life of
plants.
* These are best suited for jobs where extensive cutting is needed.
* We can also deliver pre-cut tailored tiles based on the
considerations of vibration, impact and other factors at client’s
end.
Standard specification
Thickness
(mm) | Length * Width
(mm) |
|---|
| 16-20 | < 200 |
| 20-30 | < 300 |
| 30-50 | < 400 |
Combined with the cast basalt production technology. We can
manufacture cast basalt tiles according to various sizes and
shapes.
Ultra-thin cast slate: the thinnest 12mm
The self-developed ultra-thin Cast basalt tile is a new product of
the international advanced level.
Application
Cast basalt pipe shield is mainly used in thermal power plants,
steel mills, mines and other parts with heavy wear, such as raw
coal bunkers, mine bins, coal unloading trenches, hoppers, ore
troughs, flotation machines, chutes and other parts.
- Round coal bunker lining: ultra-thin cast slate 14-20mm thick;
- Coal discharge ditch lining: commonly used 25-30mm thick cast
slate;
Coal drop bucket lining
lined with cast slate, generally 25-30mm (high chromium steel is
best used for coal drop points);
