【Q&A Question 206】2018.07.31
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【Q&A Question 206】July 31, 2018: Briefly describe how to eliminate compressor vibration? To eliminate the vibration of compressors, actions are generally taken from the following aspects: 1. The moving parts must be statically and dynamically balanced; otherwise, inherent vibration factors will arise. 2. The concentricity between the compressor and the electric motor or diesel engine must be adjusted correctly. 3. The foundation of the compressor must be constructed in strict accordance with the design drawings. There shall be no rigid connection between the foundation and any structure of the building. 4. Vibrations caused by airflow pulsations require that auxiliary equipment and pipes be equipped with secure supports and clamps; for cantilevered structures, reinforced brackets should be used, and shims should be used to secure them in place. 5. The tightening torque of the machine’s foot screws must be consistent ； 6. The frame (base) must have sufficient stiffness. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) Correct: 3 wealth, Incorrect: 1 wealth ； Mass posting of posts – rated based on the lowest score ； Replies that are unrelated to the answer are considered spam and will be deleted immediately. For management purposes, if you need to view content from a few days ago, please go to https://bbs.hcbbs.com/home.php?mod=space&uid=3862647&do=thread&view=me&from=space through the summary post below
Centrifugal compressor: Increase the inlet flow by opening the anti-surge valve； Reciprocating compressor: Slightly increase the inlet pressure and decrease the outlet pressure, that is, widen the return line ； If it has stepless adjustment, reduce the load appropriately.
1. The moving parts must be adjusted for static and dynamic balance; otherwise, inherent vibration issues will arise. 2. The concentricity between the compressor and the motor or diesel engine must be corrected. 3. The foundation of the compressor must be constructed in strict accordance with the design drawings. There shall be no rigid connection between the foundation and any structure of the building. 4. Vibrations caused by airflow pulsations require that auxiliary equipment and pipes be equipped with secure supports and clamps; for cantilevered structures, reinforced brackets should be used, and shims should be used to secure them in place. 5. The tightening force of the machine’s foot screws must be consistent: 6. The frame (base) must have sufficient stiffness
Increase the inlet flow rate, that is, open the anti-surge valve； Reciprocating compressor: Slightly increase the inlet pressure and decrease the outlet pressure, that is, widen the return line ； If it has stepless adjustment, reduce the load appropriately.
To eliminate the vibration of compressors, actions are generally taken from the following aspects: 1. The moving parts must be statically and dynamically balanced; otherwise, inherent vibration factors will arise. 2. The concentricity between the compressor and the electric motor or diesel engine must be adjusted correctly. 3. The foundation of the compressor must be constructed in strict accordance with the design drawings. There shall be no rigid connection between the foundation and any structure of the building. 4. Vibrations caused by airflow pulsations require that auxiliary equipment and pipes be equipped with secure supports and clamps; for cantilevered structures, reinforced brackets should be used, and shims should be used to secure them in place. 5. The tightening torque of the machine’s foot screws must be consistent ； 6. The frame (base) must have sufficient stiffness.
To eliminate vibration in compressors, actions are generally taken from the following aspects: 1. The moving parts must be statically and dynamically balanced; otherwise, this will lead to inherent vibration issues. 2. The concentricity between the compressor and the motor or diesel engine must be adjusted properly. 3. The foundation of the compressor must be constructed in strict accordance with the design drawings. There shall be no rigid connection between the foundation and any structure of the building. 4. Vibrations caused by airflow pulsations require that auxiliary equipment and pipes be equipped with secure supports and clamps; for cantilevered structures, reinforced brackets should be used, and shims should be used to secure them in place. 5. The tightening force of the machine’s foot screws must be consistent: 6. The frame (base) must have sufficient stiffness
To eliminate vibration in compressors, actions are generally taken from the following aspects: 1. The moving parts must be statically and dynamically balanced; otherwise, this will lead to inherent vibration issues. 2. The concentricity between the compressor and the motor or diesel engine must be adjusted properly. 3. The foundation of the compressor must be constructed in strict accordance with the design drawings. There shall be no rigid connection between the foundation and any structure of the building. 4. Vibrations caused by airflow pulsations require that auxiliary equipment and pipes be equipped with secure supports and clamps; for cantilevered structures, reinforced brackets should be used, and shims should be used to secure them in place. 5. The tightening force of the machine’s foot screws must be consistent: 6. The frame (base) must have sufficient stiffness
To eliminate the vibration of compressors, actions are generally taken from the following aspects: 1. The moving parts must be statically and dynamically balanced; otherwise, inherent vibration factors will arise. 2. The concentricity between the compressor and the electric motor or diesel engine must be adjusted correctly. 3. The foundation of the compressor must be constructed in strict accordance with the design drawings. There shall be no rigid connection between the foundation and any structure of the building. 4. Vibrations caused by airflow pulsations require that auxiliary equipment and pipes be equipped with secure supports and clamps; for cantilevered structures, reinforced brackets should be used, and shims should be used to secure them in place. 5. The tightening torque of the machine’s foot screws must be consistent ； 6. The frame (base) must have sufficient stiffness.
Centrifugal compressor: Increase the inlet flow by opening the anti-surge valve； Reciprocating compressor: Slightly increase the inlet pressure and decrease the outlet pressure, that is, widen the return line ； If it has stepless adjustment, reduce the load appropriately.
Increase the inlet flow rate, that is, open the anti-surge valve； Reciprocating compressor: Slightly increase the inlet pressure and decrease the outlet pressure, that is, widen the return line ； If it has stepless adjustment, reduce the load appropriately.