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Alignment Methods and Optimization Suggestions for Desulfurization Pump Couplings in Power Plants

2023/07/24

In power plants, the desulfurization system plays a crucial role in reducing the emission of sulfur dioxide generated during coal-fired power generation to meet environmental requirements. Desulfurization pumps, as essential components of the desulfurization system, require accurate coupling alignment to ensure their efficient and stable operation. This article will discuss the methods for aligning couplings in desulfurization pumps in power plants and provide optimization suggestions to ensure the proper functioning and prolonged lifespan of the equipment.

I. The Role of Couplings in Desulfurization Pumps

Couplings in desulfurization pumps serve as vital components that connect the electric motor and the pump, transferring the motor's power to the pump. Proper coupling alignment is necessary during operation to prevent undesired vibration, noise, equipment damage, and production accidents.

II. Alignment Methods for Desulfurization Pump Couplings

1.Initial Alignment: Before installing the coupling, ensure the stable installation of the electric motor and the pump foundation. Then, use visual alignment and distance measurement to perform the initial alignment, aiming to keep the coupling as parallel and symmetrical as possible in both the horizontal and vertical directions.

2.Utilizing Auxiliary Tools: For more accurate coupling alignment, auxiliary tools such as laser alignment devices or measuring instruments can be used. Laser alignment devices provide high-precision alignment results, helping adjust the coupling's position to ensure alignment with the motor and pump shafts.

3.Adjusting Coupling Position: Adjust the coupling's bolts or nuts to align perfectly with the motor and pump shafts. During the adjustment process, make gradual, minor adjustments to ensure the coupling remains in a stable state after each adjustment.

4.Verifying Alignment Results: After completing the alignment, carefully inspect the coupling's position for accuracy. Verification can be performed using auxiliary tools again to ensure that the motor and pump shafts remain parallel and symmetrical.

Desulfurization Pump

III. Optimization Suggestions

1.Regular Maintenance: Coupling alignment is an ongoing process as couplings may loosen or shift due to prolonged operation and equipment vibrations. Regularly inspecting and maintaining the coupling alignment is essential to keep it in good condition.

2.Use High-Quality Couplings: Opt for high-quality and reliable couplings to ensure stable long-term operation. High-quality couplings can withstand significant loads and vibrations, reducing equipment failures and maintenance frequency.

3.Enhance Operational Training: Conduct coupling alignment training for power plant maintenance personnel. They should understand the importance of coupling alignment, be familiar with the correct alignment methods, and proficiently use auxiliary tools for coupling adjustments.

4.Implement Vibration Monitoring: Vibration monitoring is an effective method to assess coupling conditions. By installing vibration sensors, coupling vibrations can be monitored in real-time, allowing for timely detection of abnormalities and taking necessary measures for adjustments or maintenance.

Proper coupling alignment is crucial for the normal operation and prolonged lifespan ofdesulfurization pumps in power plants. By employing appropriate alignment methods and implementing optimization suggestions, power plant operators can ensure that couplings remain in good condition, reduce equipment failures, improve equipment reliability, and contribute to efficient power plant operations and environmentally friendly production. Therefore, power plant maintenance teams should prioritize coupling alignment tasks and include them in their regular maintenance management to ensure the stable operation of the desulfurization pump system.

   

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