Rotary Cooler
Capacity: 2-75t/h
Product Size: Φ1.5×15m-Φ4.5×50m
Installation Angle: 3-5%
Certification: ISO9001
Power: 75-160 kw
Rotary Cooler for Sale
A rotary cooler is a device used to cool materials and is essential in a lime calcination plant or cement plant. The function of the rotary cooler is to allow the lime to come out of the calcining kiln body and enter the rotary cooler to cool instantly so that the temperature of the limestone is reduced to a suitable range, which is convenient for the subsequent transportation box storage. The most important point is that rapidly cooled limestone has a higher degree of activity and is of the best quality. The heat energy absorbed after cooling the limestone can be recycled and used to preheat or calcine the limestone, reducing the overall energy consumption of the production line.
AGICO’s rotary cooler is characterized by a variety of features such as simple structure, low heat consumption, and fast cooling. A wide variety of rotary cooler options are available to you, too. We also offer a wide range of equipment for production lines such as lime shaft kiln, limestone rotary kiln, limestone crusher, and limestone grinding mill according to customer requirements.
1/2” thick shell
3/8” thick cooling flights
Abrasion resistant lined
Damper to adjust air flow
Advantages of AGICO's Rotary Cooler
HighThermal Efficiency
AGICO’s rotary cooler utilizes an advanced heat recovery system that recovers the heat generated in the cooling to the kiln for a second combustion, reducing fuel consumption.
High-efficiency Cooling
AGICO’s rotary cooler adopts a variety of cooling methods, such as counter-flow or down-flow, so that the limestone and the cold air are evenly combined to quickly reduce the temperature and ensure the quality of finished products.
Customizable
AGICO’s rotary coolers come in a variety of models and sizes, and we have the right rotary cooler solution for our customers, whether it’s for a large or small production line.
Strong Durability
The barrel of AGICO’s rotary cooler is made of high-temperature-resistant materials, and the key parts are equipped with special wear-resistant linings so that the rotary cooler is less likely to be damaged by high-intensity work and its service life is increased.
Common Challenges in the Cooling Process
Low Cooling Efficiency
Lime from the kiln out of the temperature of up to 1000 ° C or more, if rotary kiln cooler cooling efficiency is low, the lime will not be cooled to the appropriate temperature, directly affecting the quality of lime.
Low Heat Recovery Rate
There is a large amount of heat energy in the lime after high-temperature calcination, the low heat recovery rate of the rotary kiln cooler will result in a waste of heat energy, affecting the recovery of energy for secondary calcination of limestone, and increasing fuel costs.
Uneven Cooling
If the rotary kiln cooler is not reasonably designed, the cooling effect will be uneven, resulting in a temperature difference in the lime, and the finished lime after cooling is of low quality and unstable performance.
High Energy Consumption
Improper operation or irrational design of rotary kiln cooler will increase energy consumption. For example, if air cooling is chosen, high air volume will be used to realize the cooling effect, resulting in high power consumption and increasing production costs.
Structure of Rotary Cooler
- Cylinder: The main body of the rotary cooler is a horizontally placed cylindrical cylinder with an internal lining to protect the cylinder and improve heat transfer.
- Driving Device: The drive wheel, reducer, etc., are used to drive the cylinder rotation, you can control the rotation speed of the cylinder to change the material in the cylinder body to stay in time.
- Cooling System: Used to convey in the cooling medium (usually air, but can also be water), so that the cold air and limestone heat exchange.
- Inlet and Outlet Device: It is used to feed limestone uniformly into the rotary cooler for cooling, and then send it out of the cylinder after the cooling is completed.
- Sealing and Dust Removal System: The feeding and discharging ends of a rotary cooler are usually equipped with highly efficient sealing devices to prevent cold air from escaping and to reduce the dust generated during the cooling process.
Working Principle of Rotary Cooler
The high-temperature limestone is discharged from the lime calcination kiln into the rotary kiln cooler, where the cylinder rotates slowly under drive and the internal lifting plate throws up and tumbles the limestone. Cold air enters the cylinder from the discharge end and makes full contact with the limestone downstream or counterflow so that the limestone is gradually cooled down to below 200℃. The heated air is returned to the lime calcination kiln for secondary use.
How to Choose the Right Rotary Cooler
Air-cooled Rotary Cooler
Suitable for use in areas where water resources are scarce or expensive, the air-cooled Rotary Cooler has a simple structure, low maintenance costs, and is suitable for small and medium-sized production lines. Capable of recycling heat energy for secondary combustion, with low energy costs.
Water-cooled Rotary Cooler
The water-cooled rotary cooler has a more stable effect and ensures that the limestone is cooled to the right temperature in a short time. The control of temperature is more precise. It is suitable for use in areas with sufficient water resources.
Rotary Cooler Specifications
| Size（m）(diameter×length) | Capacity (t/h) | Installation Angle (%) | Main Reducer | Main Motor (kw) | Total Weight (t) |
|---|---|---|---|---|---|
| Φ1.5×15 | 2-3 | 3-5 | ZQ500 | 15 | 28 |
| Φ1.5×20 | 3-4 | 3-5 | ZQ500 | 15 | 35 |
| Φ1.8×18 | 4-6 | 3-5 | ZQ500 | 18.5 | 47 |
| Φ2.0×22 | 7-8.5 | 3-5 | ZQ500 | 22 | 61 |
| Φ2.2×18 | 7-8.5 | 3-5 | ZQ500 | 22 | 64 |
| Φ2.2×22 | 8-10 | 3-5 | ZQ650 | 30 | 73 |
| Φ2.4×24 | 12-15 | 3-5 | ZS125 | 45 | 98 |
| Φ2.5×25 | 15-20 | 3-5 | ZS125 | 55 | 110 |
| Φ2.8×28 | 16-22 | 3-5 | ZL100 | 55 | 130 |
| Φ3.0×30 | 20-25 | 3-5 | ZL115 | 75 | 169 |
| Φ3.2×36 | 28-32 | 3-5 | ZL115 | 90 | 200 |
| Φ3.3×40 | 32-36 | 3-5 | ZL130 | 132 | 237 |
| Φ3.6×36 | 35-38 | 3-5 | ZSY450-28 | 185 | 318 |
| Φ4.0×36 | 50-60 | 3-5 | ZSY450-25 | 220 | 348 |
| Φ4.0×45 | 60-70 | 3-5 | ZSY450-25 | 250 | 414 |
| Φ4.5×50 | 70-75 | 3-5 | ZSY450-25 | 315 | 576 |