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2024
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Common troubleshooting methods for closed cooling towers in use.
When a closed cooling tower encounters a malfunction during use, it is necessary to diagnose based on the specific fault phenomenon and take corresponding solutions. Here are some common faults and their handling methods:
When a closed cooling tower encounters a fault during use, it is necessary to diagnose based on the specific fault phenomenon and take corresponding solutions. Here are some common faults and their handling methods:
1. Decreased cooling effect
Possible reasons:
Cooling water circulation is not smooth.Blockages inside the cooling tower, such as in the spray system or heat dissipation fins.
Cooling water circulation is not smooth.Scaling in the cooler coils.
Cooling water circulation is not smooth.Solutions:
Check whether the cooling water pipes and pumps are operating normally to ensure smooth flow of cooling water.
Cooling water circulation is not smooth.Clean the dirt and debris inside the cooling tower, especially in the spray system and heat dissipation fins.
Cooling water circulation is not smooth.Descale the cooler coils.
Cooling water circulation is not smooth.2. Abnormal noise
Fan malfunctions, such as bearing wear or blade imbalance.
Possible reasons:
Cooling water circulation is not smooth.Air ducts are obstructed, such as blocked air inlet screens.
Cooling water circulation is not smooth.Check whether the fan bearings are worn and replace damaged parts in a timely manner.
Check whether the cooling water pipes and pumps are operating normally to ensure smooth flow of cooling water.
Cooling water circulation is not smooth.Clear obstacles in the air ducts to ensure smooth air circulation.
Cooling water circulation is not smooth.3. Large temperature fluctuations
Unstable flow of circulating water.
Possible reasons:
Cooling water circulation is not smooth.Abnormal operation of the cooling fan.
Cooling water circulation is not smooth.Check the pumps and valves in the system and adjust the water flow to a stable state.
Check whether the cooling water pipes and pumps are operating normally to ensure smooth flow of cooling water.
Cooling water circulation is not smooth.Check the operation of the fan to ensure it is working normally; repair or replace it promptly if there are abnormalities.
Cooling water circulation is not smooth.4. High circulating water temperature
The spray system is not functioning properly.
Possible reasons:
Cooling water circulation is not smooth.Solutions:
Cooling water circulation is not smooth.The fan is not functioning properly.
Cooling water circulation is not smooth.Check and repair the spray system to ensure it operates normally.
Check whether the cooling water pipes and pumps are operating normally to ensure smooth flow of cooling water.
Cooling water circulation is not smooth.2. Abnormal noise
Cooling water circulation is not smooth.Check and repair the fan to ensure it can dissipate heat normally.
Cooling water circulation is not smooth.5. Electrical faults
Motor overload.
Possible reasons:
Cooling water circulation is not smooth.Poor circuit contact.
Cooling water circulation is not smooth.Ensure that the electrical system of the cooling tower is well grounded and regularly check the operating condition of the motor.
Check whether the cooling water pipes and pumps are operating normally to ensure smooth flow of cooling water.
Cooling water circulation is not smooth.If motor overload or poor circuit contact issues are found, maintenance and replacement should be carried out promptly.
Cooling water circulation is not smooth.6. Other common faults and handling methods
Issues:
Water distributor does not rotate or rotates too slowly:Methods:
Remove debris from the inlet pipe and water distributor or nozzle.Uneven water distribution:
Water distributor does not rotate or rotates too slowly:Clear debris from nozzles, reinstall nozzles, and increase water pressure.
Remove debris from the inlet pipe and water distributor or nozzle.Fan has abnormal vibrations:
Water distributor does not rotate or rotates too slowly:Retighten bolts, check, and correct fan impeller balance.
Remove debris from the inlet pipe and water distributor or nozzle.Abnormal gearbox or reducer:
Water distributor does not rotate or rotates too slowly:Check and replace worn gears or bearings, add lubricating oil.
Remove debris from the inlet pipe and water distributor or nozzle.Excessive drift water:
Water distributor does not rotate or rotates too slowly:Adjust blade installation angle to reduce airflow, check and replace damaged water collectors.
Remove debris from the inlet pipe and water distributor or nozzle.Splashing at air inlet windows:
Water distributor does not rotate or rotates too slowly:Check water distribution conditions and take appropriate measures.
Remove debris from the inlet pipe and water distributor or nozzle.7. Summary
When a closed cooling tower encounters a fault during use, it should first conduct a preliminary diagnosis based on fault phenomena, then take corresponding solutions. For complex or difficult-to-solve faults, it is recommended to contact professional maintenance personnel for handling. In addition, regular maintenance and upkeep of the cooling tower are also important measures to prevent faults.
闭式冷却塔在使用中遇到故障时，应首先根据故障现象进行初步诊断，然后采取相应的解决措施。对于复杂或难以解决的故障，建议联系专业的维修人员进行处理。此外，定期维护和保养冷却塔也是预防故障发生的重要措施。
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