Single Shaft Kiln

Single shaft kiln not only achieves high efficiency energy saving but also meets strict standards in terms of automated production and environmental emissions, making it an ideal choice for many lime production companies.

Single Shaft Kiln for Sale

Single Shaft Kiln Plant

The single shaft kiln is a modern, efficient vertical lime kiln with a simple and robust design. Compared with other types of kilns, this kiln is more convenient to build and has a simple installation process, making it suitable for lime production line of different sizes and needs. The single shaft kiln requires a smaller initial investment and can be put into production quickly and efficiently, with significant economic benefits. The kiln adopts “reliability, economy and practicality” as its design concept and fully considers the current trend of industrial technology development. After more than 20 years of continuous research and improvement, the single-shaft lime kiln technology has matured, and the supporting non-standard equipment can also be tailored to the specific needs of customers. Combined with the automatic control system, single shaft kiln not only achieves high-efficiency energy saving but also meets strict standards in terms of automated production and environmental emissions, making it an ideal choice for many lime production companies.

Advantages of Single Shaft Kiln

Compact and Efficient

The single shaft kiln adopts a vertical design, occupies a small area, has a simple structure, and is easy to integrate into existing production lines. Its simple structure not only reduces the demand for infrastructure and materials but also lowers initial investment and construction costs.

Low Investment, High Return

Compared with other types of kilns (such as limestone rotary kiln), single shaft kiln has lower initial investment and faster payback after operation, making it more economical. Therefore, it is a very cost-effective investment for small and medium-sized enterprises.

High Energy Efficiency

The single shaft kiln optimizes energy usage during preheating, calcining, and cooling. Through the integrated automatic control system, the kiln can efficiently adjust the energy consumption of each link to ensure the maximum utilization of thermal energy, thereby reducing fuel consumption and operating costs. In addition, there is less heat loss from the kiln, making the entire calcination process more efficient.

Strong Environmental Performance

The single shaft kiln was designed with environmental protection in mind and can use low-emission fuels, producing low carbon dioxide emissions during the calcination process. The kiln is also equipped with an air pollution control system to ensure compliance with strict environmental emission standards.

Single Vertical Shaft Kiln Process

1. Feeding: Raw materials such as limestone and raw coal are fed into the kiln top through the feeding system. The materials are evenly distributed in the kiln through the distributor to ensure the uniformity of material flow.
2. Preheating: The material moves from top to bottom in the kiln and first enters the preheating zone. In this area, the material is preheated by the rising flue gas, and the temperature gradually increases until it approaches the pre-decomposition temperature.
3. Calcination: Materials enter the calcination area and undergo chemical reactions under high temperatures. Limestone decomposes into quicklime and releases carbon dioxide. This area provides heat through combustion to ensure the high-temperature requirements of the calcination process.
4. Cooling: The high-temperature lime from the calcining zone enters the cooling zone and exchanges heat with the incoming cold air. The cooled lime particles lower their temperature, and the cooling air is heated and enters the calcining zone to participate in the combustion process.
5. Packaging and Discharging: The calcined lime is discharged through the discharging system, and the lime with different particle sizes is separated and packaged for subsequent use or transportation.

1. Single Lime Kiln Body
2. Double-Stage Lock Air Discharge Machine
3. Multi-Channel Micro-Control Adjustable Slide-Type Ash Discharger
4. Kiln Top Double-Stage Sealing Feeder
5. Heavy-Duty Fast Hoist
6. Charging Car
7. Counterweight Device
8. Combustion Blower
9. Main Combustion Air Pipeline
10. Upper Combustion Air Pipe
11. Lower Combustion Air Pipe
12. Main Gas Pipeline
13. Upper Gas Pipeline
14. Lower Gas Pipeline
15. Cooling Blower
16. Main Cooling Air Pipeline
17. Cooling Supply Air Cap
18. Dedicated Natural Gas Burner
19. Ignition Peep Hole
20. Temperature Measuring Thermocouple
21. Main Combustion Air Pipeline
22. Upper Combustion Air Regulating Valve
23. Lower Combustion Air Regulating Valve
24. Upper Gas Regulating Valve
25. Upper Gas Flowmeter
26. Lower Gas Regulating Valve
27. Lower Gas Flowmeter
28. Charging Car Sheave
29. Exhaust Pipeline
30. Raw Stone Hopper
31. Raw Stone Feeding Screen
32. Waste Belt Conveyor
33. Weighing Hopper
34. Ash Discharge Belt Conveyor

Advanced Single Shaft Kiln Manufacturer

As an advanced single shaft kiln manufacturer, AGICO provides not only the single vsk kiln equipment itself but also a full range of service experiences. Our company has obvious advantages in pre-sales, sales, and after-sales services:

1. Pre-sales service: Our engineers will provide customers with professional technical consultation and kiln selection suggestions based on their production needs and site conditions. We will help customers choose the most suitable equipment configuration and provide detailed project planning and budget assessment.
2. Sales service: During the equipment production, we provide customers with real-time production progress updates to ensure the equipment is delivered on time. Our technical team will provide installation guidance on-site to ensure efficient equipment installation and commissioning.

3. After-sales service: We provide long-term equipment warranty service and have established a complete after-sales service system to ensure the normal operation of the equipment. If any problem occurs with the equipment, our technical support team will resolve it in the shortest possible time and provide regular maintenance and inspection services.

Single Shaft Kiln Buying Advice

Production Requirements: Determine your production scale and required lime output and select a kiln with an appropriate capacity range. The production capacity of a single shaft kiln is generally between 50 tons/day and 400 tons/day, which can be selected according to actual needs.
Fuel Type: Different single shaft kilns support different types of fuel, including town gas, natural gas, and solid fuel. Choose the most appropriate fuel type to achieve cost optimization based on fuel resources and costs in your area.
Automation Requirements: Choosing a single shaft kiln with an automated control system can improve production efficiency, reduce labor costs, and achieve efficient energy management. Make sure the kiln you choose supports advanced automation technology for long-term operation.
Environmental Requirements: If your production environment needs to comply with strict environmental standards, please choose equipment equipped with advanced exhaust gas treatment and dust removal systems. AGIOC's single shaft kiln can meet high standards of environmental emission requirements.
Supplier Selection: Choosing a supplier with a good reputation and rich experience can ensure the quality of the equipment and subsequent support services. AGIOC has many years of industry experience and can provide customers with a full range of technical support and after-sales services.

Main Technical Indicators of Coal-fired Single Shaft Kiln

No.	Indicator Name	Unit	Value
1	Furnace effective volume	m³	100-500
2	Furnace effective height	m	15-27
3	Furnace effective inner diameter	m	3-5
4	Furnace utilization coefficient	t/d·m³	0.8-1.1
5	Operating rate of calendar working	%	97
6	Annual working days	day	355
7	Daily lime production	t/d	100-400
8	Lime CaO content	%	>90
9	Limestone consumption	t·limestone/t·lime	1.65
10	Coal consumption	Kg·standard coal/t·lime	115
11	Power consumption	KWh/t·lime	<15
12	Exhaust gas discharge temperature	℃	<180
13	Exhaust gas emission concentration	Mg/m³	<50
14	Lime discharge temperature	℃	>60 in summer