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It's natural for a blower to generate a certain temperature during operation. However, if the temperature exceeds certain limits, it could indicate a system malfunction or improper use. Overheating can lead to both performance loss and shortened device life.

1. Insufficient Airflow

The most common cause of blower overheating is insufficient airflow. If the inlet or outlet lines are blocked, air circulation is reduced, causing the device to consume more power. This causes overheating in the motor and fan system.

Solution:

• Regular cleaning of the suction line and filters.

• Ensure that the air inlet and outlet points are not blocked.

2. Overload Operation

When a blower operates beyond its capacity, the motor is overloaded. This causes both electrical and mechanical temperature increases. This is particularly common in systems requiring high pressure.

Solution:

• A blower with a flow rate and pressure rating appropriate for the application should be selected.

• If necessary, the motor speed should be controlled with an inverter (frequency converter).

3. Inadequate Cooling or Ventilation

If there is insufficient ventilation in the environment where the blower is located, heat dissipation becomes difficult. Blowers operating in closed or hot environments can therefore overheat quickly.

Solution:

• Adequate air circulation should be provided around the unit.

• The temperature in the blower room should be constantly monitored.

4. Bearing Wear or Lubrication Problems

The bearings inside the blower reduce friction during rotation. However, over time, depletion of oil or bearing damage increases friction, leading to overheating.

Solution:

• Bearings should be checked regularly.

• Lubrication should be performed according to the manufacturer's recommendations.

5. Motor Problems

Electrical problems such as short circuits, insulation damage, or low voltage in the motor windings can cause the blower to overheat. If this condition persists for a long time, the motor may burn out.

Solution:

• Motor current and voltage should be measured regularly.

• If the mains voltage is unstable, a voltage regulator should be used.

6. Filter Clogging

Clogging of suction filters is a common problem, especially in blowers used in wastewater treatment plants. If the filter is clogged, the blower cannot draw the required amount of air and consumes excessive energy, resulting in overheating.

Solution:

• Filters should be cleaned or replaced periodically.

• A filter type appropriate for the ambient conditions should be used.

7. Improper Installation

Incorrect installation of the blower on the floor, faulty connections, or misalignment can also lead to overheating problems due to vibration and friction.

Solution:

• Installation must be supervised by a technical team.

• Balance and vibration measurements should be performed after installation.

The Most Effective Ways to Prevent Blower Overheating

• Establish a regular maintenance plan.

• Check the filter and airways frequently.

• Monitor the motor current and temperature.

• Do not exceed the operating limits specified by the manufacturer.

• Operate the unit in a clean and dry environment.

How to Recognize Blower Overheating Before Damage Occurs?

The following symptoms are early indicators that the blower may be overheating:

• A noticeable temperature increase on the motor or casing.

• Increased vibration and noise levels.

• Decreased performance (reduced air flow).

• Excessive energy consumption.

When these symptoms are noticed, the unit should be shut down and inspected by a technical service technician.

Conclusion

Blower overheating is often caused by lack of maintenance, air obstruction, or overloading. This problem can be easily prevented with regular maintenance and proper operating conditions.

Remember, heat buildup is the first sign of unit failure. Therefore, taking temperature increases seriously will both extend the life of the blower and maintain production continuity.