Even after passing through a refrigerated air dryer, the compressed air discharged from a screw air compressor still contains moisture, often due to equipment overload, malfunctions in the refrigeration system, or inadequate design of downstream piping. This article…
Equipment maintenance
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How many times does a screw compressor typically start up each day under normal operating conditions?
The number of normal start-ups for a screw compressor directly affects the equipment’s service life and operating energy consumption. In general, for fixed‑frequency screw compressors, it is advisable to keep the daily start‑up count within an appropriate range…
When operating normally, screw compressors typically generate noise levels between 65 and 80 decibels, with the exact figure influenced by the unit’s power rating and design. This article provides a detailed analysis of the three primary sources of…
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How many times per hour does a screw compressor experience start–stop cycles to be considered frequent cycling?
Frequent start–stop cycles in screw compressors can significantly compromise equipment lifespan and operational safety. Industry‑wide experience indicates that more than three to four starts and stops within an hour are generally considered frequent; specific thresholds should be verified…
The noise level of the screw compressor’s internal unit is a critical indicator for assessing the equipment’s operational condition. Under normal operating conditions, it typically ranges from 70 to 85 decibels, with the exact value influenced by the…
The reliable operation of screw-type air compressors depends on regular maintenance. This article provides a detailed analysis of the critical consumables that must be replaced during compressor servicing, including the air filter, oil filter, oil‑air separator, and dedicated…
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How much oil should be added during maintenance and servicing of a screw-type air compressor?
The oil‑filling quantity for screw air compressors must strictly adhere to the specifications outlined in the equipment manual; do not add oil arbitrarily. This article provides a detailed analysis of the fundamental principles for oil addition, methods for…
Screw-type air compressors are designed for continuous operation; frequent starts and stops not only increase energy consumption but also accelerate wear on electrical and mechanical components. Properly managing start‑stop frequency, optimizing pressure settings, and implementing variable‑frequency drive technology…
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