The gas production of the screw air compressor suddenly failed to keep up.

Screw air compressor gas production suddenly can not keep up with the reasons may involve many aspects, the following are some possible reasons and the corresponding solutions:

possible reasons

1. the air consumption of the client is greater than the rated air volume of the air compressor

   • the user's direct feedback is insufficient pressure, lower than the original work pressure. At this time, check whether the back-end gas consumption increases, such as the increase of gas load (such as the increase of nozzle diameter wear and aperture in the textile industry, the increase of back-end gas equipment), the leakage of the intermediate gas pipeline, etc.

2. Equipment problems

   • air filter element clogged: The clogging of the air filter will affect the air intake and cause the air production to decrease.
   • Intake valve failure: Intake valve can not open or open completely will lead to insufficient gas production.
   • Capacity adjustment advance action: If there is a volume adjustment pressure valve, the volume adjustment advance action may cause the intake valve to fail to open further.
   • Wear of machine head: The wear of the main machine of the screw air compressor will cause serious internal leakage, thus affecting the gas production.
   • Pressure sensor fault: The failure of the pressure sensor may affect the working state of the air compressor and cause the displayed pressure to be inaccurate.

3. Unreasonable setting of operation parameters

   • incorrect setting of pressure values for loading and unloading and frequency conversion.
   • Supply pressure and unloading pressure are set too close. When the air compressor reaches the air supply pressure, if the gas consumption suddenly decreases and the frequency converter does not have time to control the motor deceleration, the gas production will be too large, resulting in unloading.

4. Other factors

   • air leakage at pipes and joints can also lead to insufficient gas production.
   • The driving speed is reduced, such as the shaft break of the machine head and motor, the grinding loss of the gear box of the machine head, the belt slip and loss of rotation, and the wrong setting of the rated frequency of the frequency converter.

Solution

1. check back-end gas consumption and gas pipeline

   • confirm whether there is an increase in gas load or gas pipeline leakage, and deal with it in time.

2. Regular maintenance and maintenance

   • check and replace the air filter regularly. It is recommended to replace it every 1000-2000 hours. If the working environment is bad, the replacement cycle can be shortened appropriately.
   • Check whether the intake valve action is normal, found that the problem timely repair or replacement.
   • Regularly maintain and maintain the screw main machine, check the wear and tear, and repair or replace it in time.
   • Check pressure sensor for correct operation and replace if necessary.

3. Adjust operating parameters

   • adjust the operating parameters of the air compressor according to the actual situation, such as pressure, temperature, etc.
   • Set the difference between the gas supply pressure and the unloading pressure larger, usually the difference ≥ 0.05MPa.

4. Other measures

   • check the pipeline and joints for air leakage and repair them in time.
   • Check whether the driving speed is normal, if there is any problem, repair or replace the relevant parts in time.

To sum up, when the screw air compressor gas production suddenly can not keep up, should be investigated and solved from many aspects. Through regular inspection and maintenance of equipment, adjustment of operating parameters and timely treatment of air leakage and other issues, can effectively improve the screw air compressor gas production and ensure its stable operation.