Complete Guide to Using Roots Induced draft Fans: A Practical Guide from Selection to Maintenance
Pain point analysis
Many factories often encounter these problems when using Roots induced draft fans: improper selection leads to insufficient air volume or high energy consumption, non-standard installation causes vibration and noise, and inadequate daily maintenance causes equipment to age prematurely These issues not only affect production efficiency, but may also pose hidden dangers. Today we will learn about the correct usage of this industrial "heart".
1. Key selection points
Choosing the right model is a successful step! A common misconception is to only look at the price without considering the parameters. Suggest considering from three dimensions:
-* * Airflow requirement * *: Reserve 10-15 margins when calculating the actual required airflow
-Pressure range: Generally, Roots blowers are suitable for medium and low pressure scenarios ranging from 0.1-0.8kgf/cm2
-* * Medium characteristics * *: When transporting corrosive gases, special materials (such as stainless steel) should be selected
Tip: Suppliers can be requested to provide performance curve charts to ensure efficiency at common operating points.
2 Installation precautions
Improper installation is the root cause of 80 malfunctions! Key Attention:
-* * Stable foundation * *: The weight of the concrete foundation should be 3-5 times the weight of the fan
-* * Pipeline connection * *: Use flexible joints to reduce vibration transmission
-* * Alignment calibration * *: The radial deviation of the coupling does not exceed 0.05mm
-Electrical: Motor wiring must be operated by a professional electrician
Remember: Before the first operation, it is necessary to manually turn and check to confirm that there is no jamming phenomenon!
3 Daily Maintenance Trilogy
Do you want a fan? Persist in doing these things well:
-* * Daily inspection * *: Oil level, temperature, vibration value, abnormal noise situation
-* * Regular maintenance * *: Replace lubricating oil and clean filters every 2000 hours
-* * Seasonal protection * *: Pay attention to antifreeze in winter and check motor insulation during rainy season
Special reminder: The more lubricating oil, the better! The oil level should be at 1/2-2/3 of the viewing window.
4 Common Fault Handling
Don't panic when encountering problems, try these methods first:
-Insufficient air volume: Check if the filter is clogged and if the belt is slipping
-Abnormal vibration: Tighten the foundation bolts and check the dust accumulation on the impeller
-* * High temperature * *: Clean the heat sink and check the quality of the lubricating oil
-Excessive current: Check if the pipeline is blocked and if the voltage is stable
Important reminder: If there is severe vibration or smoking, please stop the machine immediately and contact professional personnel!
5 energy-saving tips
What is saved is earned! Try these energy-saving methods:
-Variable frequency control: Adjust the speed according to actual needs
-* * Waste heat utilization * *: Recovering compressed heat for use in other processes
-Pipeline optimization: Reduce the number of bends and lower system resistance
-* * Off peak operation * *: Full load operation during low electricity price periods
Reminder: Equipment files should be complete, including operation records, maintenance records, etc. This is very helpful for subsequent fault diagnosis and energy efficiency analysis!
