5min Pyrite Fluid Bed Roaster Internal Refractory High Alumina Brick Industrial Roaster
Price:
1
MOQ:
1
Delivery Time:
25
Brand:
Zoomline
Product Description
5min Pyrite Fluid Bed Roaster with Internal Refractory High Alumina Brick
Product Specifications
| Attribute | Value |
|---|---|
| Particle Size Range | 0.1-5 Mm |
| Residence Time | 5-30 Minutes |
| Scale-Up Potential | High |
| Automation Level | High |
| Material | Solid Particles |
| Environmental Impact | Low |
| Maintenance Cost | Low |
| Uniformity Of Roasting | High |
Fluidized Bed Roasting Furnace Overview
The fluidized bed roaster (commonly called boiling furnace) utilizes solid fluidization technology for efficient roasting of sulfide ores and similar materials. The furnace features a steel shell construction with insulation and refractory brick lining, including specialized high alumina bricks for superior heat resistance.
Structure and Operation
Structure: Comprises a wind chamber with air inlet pipe at base, air distribution plate, refractory concrete furnace bed with wind caps, and conical upper section to minimize particle blowout. Includes feeding ports, slag outlets, gas exhausts, and top-mounted explosion-proof ports.
Principle: Hot air injection through wind cap orifices creates fluidized material movement (similar to boiling water), enabling efficient roasting. Sulfide ore reactions generate heat, sulfur dioxide gas (for sulfuric acid production), and usable metallurgical slag.
Furnace Types
- Straight-tube furnace: Primarily for nonferrous metal concentrates with lower roasting intensity
- Upper expansion furnace: Handles block ores and flotation concentrates with higher roasting intensity
Performance Characteristics
Advantages:
- High roasting intensity capable of processing low-grade ores
- Low residual sulfur in slag with high SO₂ concentration in output gas
- Efficient heat recovery for medium-pressure steam generation
- Uniform bed temperature distribution
- Simple, low-maintenance design without moving parts
- High automation with minimal operating costs
- Reduced environmental impact during operation
Limitations: Requires dust control for furnace gas and significant blower power consumption.
Industrial Applications
Widely implemented in sulfuric acid production and nonferrous metal smelting for processing pyrite and flotation concentrates.
Technical Specifications
| Model | Diameter (mm) | Capacity (t/h) | Power (kW) | Weight (t) |
|---|---|---|---|---|
| ZLFT - 0.6m² | 900 | 0.1 - 1.2 | 5.5 - 7.5 | 3.5 |
| ZLFT - 1.1m² | 1200 | 0.3 - 2.7 | 11 - 15 | 5.9 |
| ZLFT - 3m² | 2000 | 1.1 - 3.5 | 22 - 30 | 17 |
| ZLFT - 5m² | 2600 | 3.8 - 7.9 | 30 - 45 | 26 |
| ZLFT - 16m² | 4600 | 15 - 30 | 90 - 110 | 55 |
| ZLFT - 32m² | 6400 | 26 - 60 | 132 - 180 | 98 |
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Company
Henan Zoomline Machinery Manufacturing co. Ltd
Location
The middle section of Guhuang Line, Wen County, Henan Province (inside Henan Hengxin Machinery Industrial Park)
Contact Person
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