- Product：Lime kiln air supply fan
- Alias：Lime kiln blower
- model：SHC100-1.21
- Gas conditions：Dust and hard particles not exceeding 150mg/m3
- Structural characteristics：The use of cast iron casing improves the rigidity of the casing, which is beneficial for preventing vibration and absorbing noise.
- Usage：Mainly equipped on various lime kilns, it is used to discharge air and gases that are non corrosive, non self igniting, and do not contain viscous substances
- Price：
In the production process of lime kiln, centrifugal blower, as an important auxiliary equipment, its performance and stability have a significant impact on the production efficiency and product quality of the entire lime kiln. Below is a detailed introduction to the centrifugal blower of the lime kiln, including its working principle, structural characteristics, performance parameters, application areas, as well as selection and maintenance.
1、 Working principle of centrifugal blower
A centrifugal blower is a mechanical device that uses centrifugal force to compress and discharge gas. Its working principle is mainly based on the physical process of converting kinetic energy into potential energy. When the motor drives the impeller to rotate at high speed, the gas is sucked into the center of the impeller under the action of centrifugal force, and is thrown out along the tangent direction of the impeller blades under the push of the impeller blades. Due to the increase in gas flow velocity in the impeller, its static pressure energy also increases accordingly, resulting in higher pressure for the gas at the outlet. Meanwhile, due to the continuous rotation of the impeller, the gas is continuously sucked in and discharged, achieving continuous gas transportation.
2、 Structural characteristics of centrifugal blower for lime kiln
Lime kiln centrifugal blower usually uses cast iron or steel casing to improve its rigidity and stability. Its structural characteristics mainly include the following aspects:
Impeller: The impeller is the core component of a centrifugal blower, and its design directly affects the performance of the fan. The impeller of the lime kiln centrifugal blower usually adopts a backward tilting blade design to reduce the flow resistance of gas in the impeller and improve the efficiency of the fan. At the same time, the material and manufacturing process of the impeller blades have been carefully selected and optimized to ensure their good wear resistance and corrosion resistance.
Air inlet and outlet: The air inlet and outlet are the interfaces connecting the centrifugal blower to the external pipeline. The air inlet is usually designed with a bell mouth to reduce the vortex loss of gas at the inlet. The air outlet is customized according to specific needs to meet the requirements of different pipeline connections.
Bearings and sealing devices: Bearings are key components that support the rotation of the impeller, and their performance directly affects the stability and service life of the fan. Lime kiln centrifugal blowers typically use high-precision bearings and are equipped with lubrication and cooling systems to ensure their normal operation. At the same time, in order to prevent gas leakage and impurities from entering the interior of the fan, the fan is also equipped with a sealing device.
Motor and transmission device: The motor is the power source that drives the rotation of the impeller, and its performance directly affects the speed and power of the fan. Lime kiln centrifugal blower usually uses high-efficiency and energy-saving motors, and is equipped with drive devices such as frequency converters to achieve stepless speed regulation of the fan.
3、 Performance parameters
The performance parameters of the lime kiln centrifugal blower mainly include air volume, air pressure, speed, power, and efficiency. Among them, air volume and air pressure are important indicators reflecting the performance of fans. Air volume refers to the volume of gas passing through a fan per unit time, usually expressed in cubic meters per hour (m ³/h). Wind pressure refers to the pressure value of gas at the outlet of the fan, usually expressed in pascals (Pa) or millimeters of water column (mmH2O). Speed refers to the number of rotations of the impeller per minute, usually expressed in revolutions per minute (r/min). Power refers to the power required for the motor to drive the impeller to rotate, usually expressed in kilowatts (kW). Efficiency refers to the conversion efficiency of a wind turbine in converting electrical energy into gas kinetic energy, usually expressed as a percentage (%).
4、 Application field
The centrifugal blower of lime kiln is widely used in the ventilation, dust removal, and cooling processes of lime kiln. Its main function is to provide a stable airflow supply for the lime kiln, ensuring the smooth combustion process inside the lime kiln. At the same time, the centrifugal blower can also discharge the dust and harmful gases generated in the lime kiln, maintaining a clean and safe environment inside the kiln. In addition, centrifugal blowers can also be used for the cooling process of lime kilns, reducing the temperature of lime by sending cold air into the kiln, and improving the yield and quality of lime.
5、 Selection and maintenance
When selecting, the appropriate centrifugal blower model and parameters should be selected based on the specific needs and process conditions of the lime kiln. When selecting, factors such as air volume, air pressure, speed, power, and efficiency should be fully considered, and appropriate adjustments should be made according to the actual situation. At the same time, factors such as the installation location and pipeline connection method of the fan should also be considered to ensure that the fan can operate normally and meet production needs.
In terms of maintenance, the centrifugal blower should be regularly inspected and maintained. The inspection includes the lubrication of the bearings, the integrity of the sealing devices, and the working status of the motor. At the same time, it is necessary to regularly clean the dust and impurities inside the fan to maintain its cleanliness and smoothness. For faulty components, they should be replaced or repaired in a timely manner to ensure the normal operation of the fan and extend its service life.
The centrifugal blower of lime kiln, as an important auxiliary equipment in the production process of lime kiln, its performance and stability have a significant impact on the smooth progress of the entire production process. By selecting appropriate models and parameters, conducting regular inspections and maintenance, and promptly handling faults, measures can be taken to ensure the normal operation of centrifugal blowers and improve their service life. At the same time, with the continuous progress of technology and the continuous optimization of processes, the performance and efficiency of centrifugal blowers will also continue to improve, providing more stable and reliable power support for the production of lime kilns.
