Cooling Blower
Ningbo Wonsmart Motor Fan Company is a professional manufacturer with a focus on small sized brushless dc motors and brushless dc blowers. Our blower's max airflow reaches 400 cubic meter per hour and a max pressure of 60 kpa.
Wide Product Range
Wonsmart production and inspection equipment include auto winding machines, balancing machines, and CNC machines. We also have airflow and pressure testing equipment and motor performance testing equipment. All products are 100% inspected before delivery to guarantee all the products arrive at the customers with satisfied quality.
Quality Assurance
Wonsmart is certificated by ISO9001 With ETL, CE, ROHS, REACH and ISO13485 certification,we have paid attention to product quality and customer service. Our professional and energetic team hold the same goal of being one of the best brushless motor and blower supplier.
Products Sell Well
Wonsmart's products are exported to North America, EU, Japan and Korea. Customers from these countries are very satisfied with Wonsmart's stable quality, fast delivery and reasonable price.
OEM & ODM Available
We also accept ODM and OEM projects and customized specification. Please feel free to contact us.
What is Cooling Blower
Cooling blowers are the fans inside of an AC unit that blows air inside a cooling coil that transfers the air into an arctic blast that refreshes components and spaces. If you want to know the specifications and prices of Cooling Blower, please contact us!
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Advantages of Cooling Blower
Efficient at Moving Air
There are many benefits to using an industrial air blower. First, they are very efficient at moving air. This means that they can quickly cool or heat a space, improving employee comfort and productivity.
Additionally, they can also improve indoor air quality by ventilation.
Durable and Low-Maintenance
Industrial air blowers are also very durable and require little maintenance. This makes them a cost-effective solution for many businesses.
Finally, they are available in various sizes and configurations to suit any need. An electric motor often powers commercial exhaust fans in industrial operations to generate air pressure.
Efficient Blowing
An industrial blower can be used to clear large areas quickly. These devices can blow a large amount of material in a short amount of time. This can be helpful if you need to clear a large area quickly, such as a parking lot after a snowstorm.
Great for Warehouses
A warehouse is a perfect place to use an industrial air blower. These devices are often used to clear large dirt and other debris areas. They can also be used to dry wet areas, such as those used for loading and unloading trucks.
Blowing Water
The main reason to use an industrial blower to blow water off a surface is to prevent water damage. If a roof is covered with water, the water can leak down and damage the surface below it. An industrial blower can be used to blow water off of a roof before it has a chance to leak.
How Industrial Blowers are Made
Flow Rate
Before making the determination of what type of blower you will need, it is important to know the cubic feet per minute, which is the measure of the airflow. All blowers handle the same volume of air and gas no matter what the density is. The actual cubic feet per minute is the value that should be used when selecting an industrial blower.
The flow rate for conveying material in an enclosed feeder line or pipe requires an understanding of the necessary velocity that will be sufficient to carry or transport the material through the line and not collect or settle.
Pressure Rating
Static pressure is the resistance to airflow caused by air moving through ducting, pipes, filters, or hoses. Pressure can be influenced by altitude and temperature, which has an effect on the performance of an industrial blower. This particular issue has to be discussed regardless of the location of your facility since they can dramatically determine the quality of air and gas movement of an industrial blower
Motor
The central part of an industrial blower is its motor, which supplies the electric power to turn the blades of the blower. When choosing a blower, it is important to examine the environment where the blower will be placed since there are a wide variety of motors available. Blower motors can be completely enclosed where it is not exposed to the elements.
The next consideration is the brake horsepower, which is the force needed to brake the motor. When purchasing a blower, the horsepower should be slightly higher than the brake horsepower.
Motors for blowers can be direct drive or belt drive. For a direct drive blower, the motor has to have the correct rpms for the application. Belt driven motors have to be chosen according to the brake horsepower and the amount of loss on the belt.
There are several forms of motors that can be used in blowers, which include brushed, switched reluctance, brushless, and induction. Of this group, induction motors are the most commonly used motors for industrial blowers since they can power high horsepower blowers.
Impeller
An impeller is the central part of a centrifugal blower. It has a strong resemblance to the wheels found in a hamster cage. The rotation of the impeller pulls air into the blower, increases its movement, and changes its direction at 90o. The turning of the impeller creates constant air flow.
The blades for the fan portion of the impeller can be in four different forms, which are radial, forward curved, backward curved, or airfoil. Each type of configuration serves a specific purpose for airflow. Radial blades are for high pressure applications with medium airflow. Forward curved blades are for medium pressure applications while backward curved are for high pressure applications. The airfoil design is the most common and provides the greatest efficiency.
Fan Blades or Airfoils
An axial fan has fan blades or airfoils that are attached to a hub or impeller that is placed on the motor. The number of blades can vary from two or three up to as many as thirteen. They can be made from a wide variety of materials from steel and aluminum to different types of polymers. The key factor to the fan blades is their pitch, which can be fixed, propeller, or adjustable, depending on the type of fan.
The wing tip of the blade is similar to the tip of the propeller blades of an airplane. It serves the purpose of stopping air from moving from the positive side of the blade to the negative, which reduces turbulence and significantly reduces noise.
Mount
There are ten basic mounting configurations for belt or direct drive industrial blowers, which include top, bottom, or side mounts, and close mounted or coupled configurations. The variety and types of mountings are customized to fit the conditions with conveyance industrial fans being mounted on the conveyor line to create the correct pressure.
Port Design
The port design for an industrial blower is related to how the blower may be attached to an existing duct, pipe, tube, vent, or line pattern. For an industrial blower to smoothly fit into an existing system, its in and outlet ports have to be chosen to match the existing configuration. This does not apply to all industrial blowers since several varieties may be mounted in the ceiling, on the floor, or hung from a wall.
The most important type of consideration for an industrial blower installation is for designs that require the blower to be attached to a conveying system since a tight and secure seal as well as exact fit is a necessity to maintain proper pressure for conveyance.
Bearings
A central part of an industrial blower is the types of bearings used since they are an aspect of the device that need to be monitored and maintained. The higher the speed of the blower, the more likely the bearings will become a problem. The selection of the type of bearings can diminish the amount of time spent on maintenance and the need to swap out bearings.
There are a wide variety of configurations for bears with some being enclosed and sealed, which makes changing them easier. The main concern is that the bearings be well lubricated and have low friction between surfaces. Magnetic bears avoid friction by not making contact with moving parts by being levitated from rotating shafts.
Blower Common Faults & Solutions
Possible cause: Power supply not connected. Solution: Connect the power supply.
Possible cause: Motor not working. Solution: Check motor wiring or replace the motor.
Possible cause: Blower head damaged. Solution: Repair the blower or replace it.
Possible cause: Foreign objects stuck in the blower. Solution: Turn off the blower and remove the foreign objects.
Possible cause: Insufficient lubrication of bearings. Solution: Apply bearing grease.
Possible cause: Damaged bearings. Solution: Replace the bearings.
Possible cause: Impeller wear. Solution: Replace the impeller or pump head.
Possible cause: Loose or missing fasteners. Solution: Tighten the fasteners.
Possible cause: Foreign objects inside the blower. Solution: Remove the foreign objects or replace the pump head.
Possible cause: Damaged bearings. Solution: Replace the bearings.
Possible cause: Imbalanced impeller. Solution: Remove foreign objects from the impeller or perform dynamic balancing.
Possible cause: Deformation of the main shaft. Solution: Replace the main shaft or pump head.
Possible cause: Operating conditions entering the turbulent zone. Solution: Adjust the operating conditions to avoid the turbulent zone.
Possible cause: Inlet or outlet blocked by filter. Solution: Clean the filter.
Possible cause: High temperature at the inlet. Solution: Reduce the inlet temperature.
Possible cause: Insufficient lubrication of bearings. Solution: Apply bearing grease.
Possible cause: Decreased blower efficiency. Solution: Remove dust from the air passage or replace the pump head.
Possible cause: Change in operating conditions. Solution: Adjust the operating conditions.
Possible cause: Increased ambient temperature. Solution: Improve ventilation and cooling in the environment.
Possible cause: Decreased pump head speed. Solution: Check power supply voltage or motor malfunction.
Possible cause: Increased pipe network resistance. Solution: Reduce pipe network resistance.
Possible cause: Change in operating conditions. Solution: Adjust the operating conditions.
Possible cause: Motor rotation in the wrong direction. Solution: Reconnect the motor wiring.
Possible cause: Inlet or outlet air filters blocked. Solution: Clean the filters.
Possible cause: Decreased pump head speed. Solution: Check power supply voltage or motor malfunction.
Possible cause: Increased pipe network resistance. Solution: Reduce pipe network resistance.
Possible cause: Increased operating conditions. Solution: Adjust the operating conditions.
Possible cause: Motor rotation in the wrong direction. Solution: Reconnect the motor wiring.
Possible cause: Insufficient power supply voltage frequency, causing motor speed reduction. Solution: Adjust the power supply voltage.
Possible cause: Large pipe losses or air leakage. Solution: Replace the pipes, ensure appropriate pipe length, pipe diameter should be greater than or equal to 1.1 times the blower outlet diameter, minimize the use of elbows, and keep elbow angles < 90° with a larger radius of curvature.
Possible cause: Blockage or leakage in the supply air system. Solution: Check for blockages or leaks in the supply air system.
Possible cause: Excessive leakage within the blower. Solution: Replace the sealing components.
Applications of Centrifugal Blowers
Clean Air Circulation
In some industrial processes, the circulation of clean air is extremely important. With the capacity to circulate clean air at high volumes, centrifugal blowers emerge as an obvious choice in this scenario, as they are also robust by design and can handle heavy-duty operations.
Material Handling
Small particles like sand, sawdust, paper trim, wood chips, plastic pellets and other such materials are often handled using a strong centrifugal force. Hence, a blower also comes in handy for such operations, for it can handle a plethora of such fine particles with ease.
High-Temperature Operation
Many industrial processes require high temperatures. Moreover, this heat also needs to be circulated from one part of the system to the other and convection is the most feasible option to do so. In such cases, centrifugal fans become an integral part of the operation, efficiently distributing and circulating heat.
Saturated Air Processing
In some industries, processing saturated air is paramount. Saturated air essentially means air that has extreme levels of moisture, thus industries, where the products need to be completely dry, use centrifugal fans to process this air. Moreover, these blowers are ideal for this operation as they have a non-corrosive and moisture-resistant coating.
Dust Collection
Apart from delivering clean air, centrifugal blowers can also be used exclusively for dust collection. These blowers can work in tandem with air filtration units to remove dust and other small, unwanted particles from the air.
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As one of the most professional cooling blower manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy high-grade cooling blower at competitive price from our factory.
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