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Help Center300 TPD Lime Shaft Kiln – High-Efficiency Vertical Lime Kiln for Quicklime Production
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Product Overview
The 300 TPD Vertical Lime Shaft Kiln is a high-efficiency, energy-saving calcination system designed for continuous quicklime production. Engineered for medium-to-large scale operations, this kiln delivers stable output, uniform lime quality, and lower fuel consumption compared to conventional shaft kilns. It is suitable for calcining limestone, dolomite, and other carbonate minerals.
With a robust refractory lining, optimized internal structure, and integrated environmental controls, this lime kiln ensures reliable 24/7 operation while meeting modern emission standards. It is widely used in steelmaking, sugar refining, construction materials, and chemical processing industries.
Key Features
Stable 300 TPD Capacity – Designed for consistent daily output with minimal fluctuation.
High Thermal Efficiency – Advanced shaft design reduces heat loss, saving 15–20% on fuel.
Uniform Calcination – Even temperature distribution produces high-activity lime (≥350ml) with low overburning rate (
Low Maintenance – Long-life refractory and modular components reduce downtime.
Eco-Friendly Operation – Integrated dust collection and optional waste heat recovery systems.
Fuel Flexibility – Supports coal, coke oven gas, natural gas, or mixed fuels.
Technical Specifications
| Parameter | Value |
|---|---|
| Daily Capacity | 300 tons |
| Annual Output (330 days) | ~99,000 tons |
| Limestone Feed Size | 40–80 mm (adjustable) |
| CaO Content in Quicklime | ≥90% |
| Lime Activity | ≥350 ml (4N HCl method) |
| Overburning Rate | |
| Undersize Rate | |
| Thermal Consumption | 850–950 kcal/kg lime |
| Fuel Types | Coal, gas, or mixed fuel |
| Refractory Lining Life | 3–5 years (depending on operation) |
| Power Consumption | ≤15 kWh/ton lime |
| Dust Emission | ≤30 mg/Nm³ (with bag filter) |
| Overall Dimension (H × W × D) | ~28 m × 5 m × 5 m (varies by design) |
| Operation Mode | Continuous, 24/7 |
| Control System | PLC automatic control (optional DCS) |
Applications
The quicklime produced by this 300 TPD shaft kiln is suitable for:
Steel and ironmaking (flux agent)
Sugar refining
Flue gas desulfurization (FGD)
Construction mortar and lime plaster
Calcium carbide production
Chemical and paper industries
Why Choose This 300 TPD Lime Shaft Kiln
Lower Operating Cost – Reduced fuel and power consumption directly improves your profit margin.
Consistent Quality – Uniform calcination ensures stable lime reactivity for downstream processes.
Easy to Operate – PLC control system reduces manual intervention and operator errors.
Proven Durability – Designed for harsh industrial environments with minimal wear.
Global Standards – Meets common environmental and safety regulations.
Operation & Maintenance
The kiln is designed for simple daily operation. Key maintenance points include:
Weekly inspection of refractory lining
Monthly check of burner and air distribution system
Quarterly calibration of temperature and pressure sensors
Annual maintenance shutdown for major component inspection
A standard spare parts kit is available to minimize unplanned downtime.
Ordering Information
This 300 TPD vertical lime shaft kiln is available as a complete system including:
Kiln shell and refractory lining
Feeding and discharging system
Combustion system with burners
PLC control panel
Dust collection equipment (bag filter or cyclone)
Optional upgrades include waste heat recovery, online gas analyzers, and remote monitoring.
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